/* ==========================================================================
   REDSAFE — Site stylesheet
   Layout concept: an engineering drawing set. Graphite sheets, a 12-col grid
   with visible hairline structure, mono sheet references, red used only where
   a drawing would use a revision cloud: the one thing you must look at.
   ========================================================================== */

:root {
  /* Colour — dark, cool-biased graphite. Never pure black. */
  --ink-950: #0b0d10;
  --ink-900: #101317;
  --ink-850: #14181d;
  --ink-800: #1a1f25;
  --ink-700: #262c33;
  --steel-500: #6c757e;
  --steel-400: #8a939b;
  --steel-300: #a9b1b8;
  --fg: #eceef0;
  --paper: #e6e8e8;          /* drawing-paper sections */
  --paper-2: #d9dcdd;
  --paper-ink: #111418;
  --paper-mute: #4e565e;
  --red: #e1262d;            /* Redsafe red — precision accent */
  --red-deep: #b3141b;
  --amber: #e8a33d;          /* content-required markers (pre-launch only) */
  --line: rgba(236, 238, 240, 0.10);
  --line-strong: rgba(236, 238, 240, 0.22);
  --line-paper: rgba(17, 20, 24, 0.14);

  /* Type */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* Scale (fluid) */
  --t-mega: clamp(3.4rem, 11.2vw, 11.5rem);
  --t-h1: clamp(2.6rem, 7vw, 6.5rem);
  --t-h2: clamp(2rem, 4.6vw, 4.25rem);
  --t-h3: clamp(1.4rem, 2.2vw, 2rem);
  --t-lead: clamp(1.1rem, 1.45vw, 1.375rem);
  --t-body: 1.0625rem;
  --t-small: 0.9375rem;
  --t-mono: 0.75rem;

  /* Space */
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1440px;
  --sec: clamp(88px, 12vw, 176px);
  --header-h: 76px;

  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);

  color-scheme: dark;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--ink-950);
  color: var(--fg);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: 1.6;
  font-stretch: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4, p, ul, ol, figure, dl, dd, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 600; line-height: 1; letter-spacing: -0.02em; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 1px; }
[hidden] { display: none !important; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: fixed; left: 16px; top: -60px; z-index: 200; background: var(--red); color: #fff; padding: 10px 16px; font-family: var(--f-mono); font-size: var(--t-mono); letter-spacing: .08em; text-transform: uppercase; transition: top .2s; }
.skip:focus { top: 16px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(16px, 2vw, 32px); }
.sec { padding-block: var(--sec); position: relative; }
.sec--tight { padding-block: calc(var(--sec) * .6); }
.sec--paper { background: var(--paper); color: var(--paper-ink); }
.sec--raised { background: var(--ink-900); }
.rule-top { border-top: 1px solid var(--line); }
.sec--paper .rule-top, .sec--paper.rule-top { border-color: var(--line-paper); }

/* ---------- Type utilities ---------- */
.mono, .eyebrow, .tag {
  font-family: var(--f-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  line-height: 1.4;
}
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: var(--steel-300); }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--red); }
.sec--paper .eyebrow { color: var(--paper-mute); }
.mega { font-size: var(--t-mega); font-stretch: 118%; font-weight: 700; line-height: 0.86; letter-spacing: -0.035em; text-transform: uppercase; }
.h1 { font-size: var(--t-h1); font-stretch: 112%; font-weight: 600; line-height: 0.92; letter-spacing: -0.03em; }
.h2 { font-size: var(--t-h2); font-stretch: 108%; font-weight: 600; line-height: 0.98; letter-spacing: -0.028em; }
.h3 { font-size: var(--t-h3); font-stretch: 104%; font-weight: 600; line-height: 1.08; letter-spacing: -0.015em; }
.lead { font-size: var(--t-lead); line-height: 1.5; color: var(--steel-300); max-width: 46ch; font-weight: 400; }
.sec--paper .lead { color: var(--paper-mute); }
.body { color: var(--steel-300); max-width: 62ch; }
.sec--paper .body { color: var(--paper-mute); }
.red { color: var(--red); }
.mute { color: var(--steel-400); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Content-required markers ---------- */
.req {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: .06em; text-transform: uppercase; font-weight: 500;
  color: var(--amber); border: 1px dashed color-mix(in srgb, var(--amber) 60%, transparent);
  padding: 3px 8px; line-height: 1.35; vertical-align: middle; border-radius: 2px;
  background: color-mix(in srgb, var(--amber) 6%, transparent);
}
.req::before { content: "◆"; font-size: 0.5rem; }
.sec--paper .req { color: #9a6514; border-color: #c9923c; background: rgba(232,163,61,.08); }
html.launch .req, html.launch .notice { display: none; }

/* ---------- Buttons ---------- */
.btn {
  --b-bg: transparent; --b-fg: var(--fg); --b-bd: var(--line-strong);
  position: relative; display: inline-flex; align-items: center; gap: 14px;
  height: 52px; padding: 0 22px; border: 1px solid var(--b-bd); background: var(--b-bg); color: var(--b-fg);
  font-family: var(--f-mono); font-size: 0.78rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  overflow: hidden; isolation: isolate; transition: color .35s var(--ease), border-color .35s var(--ease);
  white-space: nowrap;
}
.btn::after { content: ""; position: absolute; inset: 0; background: var(--fg); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease); z-index: -1; }
.btn:hover::after, .btn:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.btn:hover, .btn:focus-visible { color: var(--ink-950); border-color: var(--fg); }
.btn .arr { width: 18px; height: 10px; flex: none; transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn--primary { --b-bg: var(--red); --b-fg: #fff; --b-bd: var(--red); }
.btn--primary::after { background: #fff; }
.btn--primary:hover, .btn--primary:focus-visible { color: var(--red-deep); border-color: #fff; }
.btn--sm { height: 42px; padding: 0 16px; font-size: 0.7rem; gap: 10px; }
.sec--paper .btn:not(.btn--primary) { --b-fg: var(--paper-ink); --b-bd: rgba(17,20,24,.3); }
.sec--paper .btn:not(.btn--primary)::after { background: var(--paper-ink); }
.sec--paper .btn:not(.btn--primary):hover { color: var(--paper); border-color: var(--paper-ink); }

.link {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 500;
  padding-bottom: 6px; background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat; transition: background-size .4s var(--ease);
}
.link:hover { background-size: 0 1px; background-position: 100% 100%; }
.link .arr { width: 16px; height: 9px; transition: transform .3s var(--ease); }
.link:hover .arr { transform: translateX(4px); }

/* ---------- Header ---------- */
.hdr {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding-top: env(safe-area-inset-top, 0px);
  transition: background-color .4s var(--ease), border-color .4s var(--ease), transform .45s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr.is-solid { background: rgba(11, 13, 16, 0.86); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-bottom-color: var(--line); }
.hdr.is-hidden { transform: translateY(-100%); }
.hdr__bar { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 14px; flex: none; }
.brand__mark { width: 34px; height: auto; }
.brand__word { width: 118px; height: auto; }
.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px); }
.nav__a {
  position: relative; font-size: 0.9375rem; font-weight: 500; color: var(--steel-300); padding: 8px 0; display: inline-flex; align-items: center; gap: 8px;
  transition: color .25s;
}
.nav__a:hover, .nav__a[aria-expanded="true"], .nav__a[aria-current="page"] { color: var(--fg); }
.nav__a[aria-current="page"]::after, .nav__a.is-section::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--red); }
.nav__a .chev { width: 9px; height: 6px; transition: transform .3s var(--ease); }
.nav__a[aria-expanded="true"] .chev { transform: rotate(180deg); }
.hdr__aside { display: flex; align-items: center; gap: 22px; }
.hdr__tel { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: .06em; color: var(--steel-300); }
.hdr__tel:hover { color: var(--fg); }
.burger { display: none; width: 44px; height: 44px; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--fg); transition: transform .35s var(--ease), opacity .2s; }
.burger span:nth-child(1) { top: 17px; } .burger span:nth-child(2) { top: 25px; right: 18px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); right: 10px; }

/* Mega menu */
.mega-menu {
  position: absolute; left: 0; right: 0; top: 100%;
  background: rgba(13, 16, 20, 0.97); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .3s var(--ease), transform .35s var(--ease), visibility 0s .35s;
}
.mega-menu.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mega-menu__in { display: grid; grid-template-columns: 1.1fr 1.1fr 1fr; gap: 48px; padding-block: 44px 48px; }
.mm-group h3 { font-family: var(--f-mono); font-size: var(--t-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel-400); font-weight: 500; padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.mm-link { display: grid; grid-template-columns: 52px 1fr; gap: 0 12px; padding: 13px 0; border-bottom: 1px solid var(--line); align-items: baseline; transition: padding .3s var(--ease); }
.mm-link:hover, .mm-link:focus-visible { padding-left: 8px; }
.mm-link .code { font-family: var(--f-mono); font-size: 0.6875rem; color: var(--steel-500); letter-spacing: .08em; }
.mm-link:hover .code { color: var(--red); }
.mm-link strong { font-weight: 500; font-size: 1.0625rem; letter-spacing: -0.01em; }
.mm-link span.d { grid-column: 2; color: var(--steel-400); font-size: 0.875rem; line-height: 1.45; }
.mm-feature { border: 1px solid var(--line); padding: 24px; display: flex; flex-direction: column; justify-content: center; gap: 24px; min-height: 100%; background: var(--ink-900); }
.mm-feature svg { color: var(--steel-400); }
.mm-feature p { color: var(--steel-300); font-size: 0.9375rem; line-height: 1.5; }

/* Mobile menu */
.mnav {
  position: fixed; inset: 0; z-index: 90; background: var(--ink-950);
  padding: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 12px) var(--gutter) calc(110px + env(safe-area-inset-bottom, 0px));
  overflow-y: auto; opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility 0s .35s;
}
.mnav.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.mnav__list > li { border-bottom: 1px solid var(--line); }
.mnav__a { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; font-size: 1.75rem; font-stretch: 110%; font-weight: 600; letter-spacing: -0.02em; }
.mnav__sub { padding: 0 0 18px; display: grid; gap: 2px; }
.mnav__sub a { display: flex; gap: 14px; padding: 9px 0; color: var(--steel-300); font-size: 1.0625rem; }
.mnav__sub a .code { font-family: var(--f-mono); font-size: .6875rem; color: var(--steel-500); width: 40px; padding-top: 5px; }
.mnav__foot { margin-top: 32px; display: grid; gap: 8px; font-family: var(--f-mono); font-size: .8rem; color: var(--steel-300); letter-spacing: .04em; }
.mnav__foot a { padding: 6px 0; }

/* Mobile CTA bar */
.mbar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(11, 13, 16, 0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--line);
  grid-template-columns: 1fr 1.6fr; gap: 10px; transform: translateY(110%); transition: transform .45s var(--ease);
}
.mbar.is-in { transform: none; }
.mbar .btn { height: 48px; justify-content: center; padding: 0 12px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: min(100svh, 940px); display: flex; flex-direction: column; justify-content: flex-end; padding-top: calc(var(--header-h) + 64px); overflow: hidden; isolation: isolate; background: var(--ink-950); }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media video { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero__light { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 70% at 78% 30%, rgba(169, 177, 184, 0.09), transparent 70%),
    radial-gradient(40% 50% at 92% 88%, rgba(225, 38, 45, 0.10), transparent 70%),
    linear-gradient(180deg, rgba(11,13,16,0) 55%, var(--ink-950) 100%);
}
.hero__grid { position: absolute; inset: 0; z-index: -2; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px; background-position: -1px -1px;
  mask-image: radial-gradient(80% 80% at 70% 40%, #000 20%, transparent 80%); -webkit-mask-image: radial-gradient(80% 80% at 70% 40%, #000 20%, transparent 80%);
}
.hero__drawing { position: absolute; z-index: -1; right: calc(var(--gutter) * -0.5); top: calc(var(--header-h) + 10px); width: min(62vw, 1060px); color: var(--steel-400); opacity: .9; }
.hero__sheet { position: absolute; top: calc(var(--header-h) + 28px); left: 0; right: 0; }
.hero__sheet .wrap { display: flex; justify-content: space-between; gap: 24px; color: var(--steel-400); }
.hero__body { padding-bottom: clamp(40px, 6vw, 72px); }
.hero__title { margin-bottom: clamp(28px, 3.5vw, 48px); }
.hero__title .ln { display: block; overflow: hidden; padding-bottom: .04em; }
.hero__title .ln > span { display: inline-block; }
.hero__title .stop { color: var(--red); }
.hero__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px 64px; align-items: end; }
.hero__lead { font-size: var(--t-lead); color: var(--steel-300); max-width: 50ch; line-height: 1.5; }
.hero__lead strong { color: var(--fg); font-weight: 500; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__index { border-top: 1px solid var(--line); }
.hero__index ul { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.hero__index li + li { border-left: 1px solid var(--line); }
.hero__index a { display: flex; flex-direction: column; gap: 6px; padding: 18px 16px 20px; height: 100%; transition: background-color .3s; }
.hero__index a:hover { background: rgba(236, 238, 240, 0.04); }
.hero__index .code { font-family: var(--f-mono); font-size: .6875rem; color: var(--steel-500); letter-spacing: .1em; transition: color .3s; }
.hero__index a:hover .code { color: var(--red); }
.hero__index .nm { font-size: .9375rem; font-weight: 500; line-height: 1.25; }

/* Page hero (sub pages) */
.phero { position: relative; padding-top: calc(var(--header-h) + clamp(72px, 10vw, 140px)); padding-bottom: clamp(56px, 7vw, 96px); overflow: hidden; isolation: isolate; }
.phero::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .45; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px; mask-image: linear-gradient(180deg, #000, transparent 90%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 90%); }
.crumbs { display: flex; flex-wrap: wrap; gap: 10px; color: var(--steel-500); margin-bottom: clamp(28px, 4vw, 48px); }
.crumbs a { color: var(--steel-400); } .crumbs a:hover { color: var(--fg); }
.crumbs li + li::before { content: "/"; margin-right: 10px; color: var(--steel-500); }
.phero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px clamp(32px, 5vw, 96px); align-items: end; }
.phero__code { display: flex; gap: 16px; align-items: baseline; margin-bottom: 20px; color: var(--steel-400); }
.phero__code .big { font-family: var(--f-mono); font-size: .8125rem; color: var(--red); letter-spacing: .12em; }
.phero h1 { margin-bottom: 28px; }
.phero__art { color: var(--steel-400); border: 1px solid var(--line); background: rgba(16,19,23,.6); position: relative; }
.phero__art .cap { position: absolute; left: 16px; bottom: 12px; color: var(--steel-500); }
.phero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

/* ---------- Section heads ---------- */
.shead { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(16px, 2vw, 32px); row-gap: 24px; margin-bottom: clamp(48px, 6vw, 88px); align-items: end; }
.shead__l { grid-column: 1 / span 7; display: grid; gap: 22px; }
.shead__r { grid-column: 9 / span 4; display: grid; gap: 22px; justify-items: start; }

/* ---------- Statement / credibility ---------- */
.statement { font-size: clamp(1.75rem, 3.6vw, 3.4rem); font-stretch: 106%; font-weight: 500; line-height: 1.08; letter-spacing: -0.025em; max-width: 22ch; text-wrap: balance; }
.statement em { font-style: normal; color: var(--steel-400); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); margin-top: clamp(56px, 7vw, 96px); }
.fact { padding: 28px 24px 8px 0; display: grid; gap: 10px; align-content: start; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--line); }
.fact__n { font-size: clamp(3rem, 6vw, 5.5rem); font-stretch: 112%; font-weight: 600; line-height: .9; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.fact__n sup { font-size: .4em; vertical-align: top; position: relative; top: .25em; color: var(--red); margin-left: 2px; }
.fact__l { color: var(--steel-300); font-size: var(--t-small); max-width: 26ch; line-height: 1.45; }
.fact .mono { color: var(--steel-500); }

.creds { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--line); margin-top: 48px; }
.cred { padding: 22px 20px; display: grid; gap: 10px; align-content: start; }
.cred + .cred { border-left: 1px solid var(--line); }
.cred__k { color: var(--steel-500); }
.cred__v { font-weight: 500; font-size: 1.0625rem; line-height: 1.3; }

/* ---------- Capability index (home) ---------- */
.capx { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 88px); align-items: start; }
.capx__list { border-top: 1px solid var(--line-strong); }
.capx__item { border-bottom: 1px solid var(--line); }
.capx__btn { width: 100%; display: grid; grid-template-columns: 64px minmax(0, 1fr) 28px; gap: 16px; align-items: center; text-align: left; padding: clamp(18px, 2vw, 26px) 0; transition: padding .4s var(--ease), color .3s; color: var(--steel-400); }
.capx__btn .code { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .1em; color: var(--steel-500); transition: color .3s; }
.capx__btn .nm { font-size: clamp(1.5rem, 2.8vw, 2.6rem); font-stretch: 108%; font-weight: 600; letter-spacing: -0.025em; line-height: 1; }
.capx__btn .pl { width: 14px; height: 14px; position: relative; justify-self: end; }
.capx__btn .pl::before, .capx__btn .pl::after { content: ""; position: absolute; background: currentColor; transition: transform .35s var(--ease); }
.capx__btn .pl::before { left: 0; right: 0; top: 6.5px; height: 1px; }
.capx__btn .pl::after { top: 0; bottom: 0; left: 6.5px; width: 1px; }
.capx__item.is-active .capx__btn, .capx__btn:hover { color: var(--fg); }
.capx__item.is-active .capx__btn { padding-left: 12px; }
.capx__item.is-active .code { color: var(--red); }
.capx__item.is-active .pl::after { transform: scaleY(0); }
.capx__mob { display: none; }
.capx__panel { position: sticky; top: calc(var(--header-h) + 32px); border: 1px solid var(--line); background: var(--ink-900); }
.capx__view { display: none; }
.capx__view.is-active { display: block; animation: fadeUp .6s var(--ease) both; }
.capx__art { color: var(--steel-400); border-bottom: 1px solid var(--line); aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 20px; position: relative; }
.capx__art svg { width: 100%; height: 100%; }
.capx__art .mono { position: absolute; left: 16px; top: 14px; color: var(--steel-500); }
.capx__txt { padding: clamp(22px, 2.4vw, 32px); display: grid; gap: 20px; }
.capx__txt p { color: var(--steel-300); }
.scope-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.scope-mini li { font-size: .875rem; color: var(--steel-300); padding: 8px 0; border-top: 1px solid var(--line); line-height: 1.35; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Process (integrated execution) ---------- */
.process { position: relative; }
.process__steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-paper); }
.pstep { padding: 28px clamp(16px, 2vw, 28px) 36px 0; position: relative; display: grid; gap: 14px; align-content: start; }
.pstep + .pstep { padding-left: clamp(16px, 2vw, 28px); border-left: 1px solid var(--line-paper); }
.pstep__n { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .1em; color: var(--paper-mute); }
.pstep__n b { color: var(--red); font-weight: 500; }
.pstep h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); font-stretch: 106%; }
.pstep p { color: var(--paper-mute); font-size: .9375rem; line-height: 1.5; }
.pstep ul { display: grid; gap: 6px; margin-top: 6px; }
.pstep li { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .04em; color: var(--paper-ink); display: flex; gap: 10px; }
.pstep li::before { content: ""; width: 6px; height: 1px; background: var(--paper-mute); margin-top: .7em; flex: none; }
.hse-rail { margin-top: 0; display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; padding: 18px 0; border-top: 1px solid var(--paper-ink); border-bottom: 1px solid var(--line-paper); }
.hse-rail__k { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--red); font-weight: 500; }
.hse-rail__line { height: 1px; background: repeating-linear-gradient(90deg, var(--red) 0 10px, transparent 10px 16px); position: relative; }
.hse-rail__line::after { content: ""; position: absolute; right: -2px; top: -4px; border-left: 8px solid var(--red); border-top: 4.5px solid transparent; border-bottom: 4.5px solid transparent; }
.hse-rail p { grid-column: 1 / -1; font-size: .9375rem; color: var(--paper-mute); max-width: 80ch; }

/* ---------- Industries rail ---------- */
.rail { position: relative; }
.rail__track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(300px, 30%); gap: 1px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; background: var(--line); border-block: 1px solid var(--line); overscroll-behavior-x: contain; }
.rail__track::-webkit-scrollbar { display: none; }
.ind { scroll-snap-align: start; background: var(--ink-950); position: relative; display: flex; flex-direction: column; min-height: clamp(460px, 44vw, 600px); padding: 24px; overflow: hidden; isolation: isolate; transition: background-color .4s; }
.ind:hover { background: var(--ink-900); }
.ind__top { display: flex; justify-content: space-between; color: var(--steel-500); }
.ind__name { margin-top: auto; font-size: clamp(1.75rem, 2.5vw, 2.6rem); font-stretch: 100%; overflow-wrap: break-word; hyphens: auto; font-weight: 600; letter-spacing: -0.03em; line-height: .95; text-transform: uppercase; }
.ind__line { color: var(--steel-300); margin-top: 16px; font-size: .9375rem; line-height: 1.5; max-width: 34ch; }
.ind__scopes { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 6px; }
.ind__scopes li { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase; color: var(--steel-300); border: 1px solid var(--line); padding: 5px 8px; }
.ind__glyph { position: absolute; z-index: -1; top: 56px; right: -4%; width: 78%; color: var(--ink-700); transition: color .5s, transform .8s var(--ease); }
.ind:hover .ind__glyph { color: var(--steel-500); transform: translateY(-6px); }
.ind .link { margin-top: 22px; align-self: flex-start; color: var(--fg); }
.rail__ctrl { display: flex; gap: 8px; }
.rail__btn { width: 52px; height: 52px; border: 1px solid var(--line-strong); display: grid; place-items: center; transition: background-color .3s, border-color .3s; }
.rail__btn:hover { background: var(--fg); color: var(--ink-950); border-color: var(--fg); }
.rail__btn:disabled { opacity: .3; pointer-events: none; }
.rail__btn svg { width: 18px; height: 10px; }
.rail__prog { height: 1px; background: var(--line); margin-top: 24px; position: relative; }
.rail__prog span { position: absolute; left: 0; top: 0; bottom: 0; background: var(--red); width: 20%; transition: transform .2s linear; transform-origin: left; }

/* ---------- Projects ---------- */
.pgrid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(16px, 2vw, 32px); }
.pcard { grid-column: span 4; display: flex; flex-direction: column; gap: 18px; position: relative; }
.pcard--lg { grid-column: span 8; }
.pcard__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.pcard--lg .pcard__media { aspect-ratio: 16 / 9.2; }
.pcard__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--steel-400); }
.pcard__meta span + span::before { content: ""; display: inline-block; width: 4px; height: 4px; background: var(--steel-500); margin-right: 18px; vertical-align: middle; }
.pcard h3 { font-size: clamp(1.35rem, 2vw, 1.8rem); font-stretch: 106%; }
.pcard__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.pcard__facts div { padding: 12px 12px 0 0; display: grid; gap: 4px; }
.pcard__facts div + div { padding-left: 12px; border-left: 1px solid var(--line); }
.pcard__facts dt { color: var(--steel-500); }
.pcard__facts dd { font-size: .875rem; }
.pcard a.cover { position: absolute; inset: 0; z-index: 2; }
.pcard:hover .slot__fill { transform: scale(1.03); }

/* Filter bar */
.filters { display: flex; flex-wrap: wrap; gap: 28px 40px; padding-block: 20px; border-block: 1px solid var(--line); margin-bottom: 48px; align-items: center; }
.filters__g { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.filters__g > .mono { color: var(--steel-500); margin-right: 8px; }
.chip { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; padding: 8px 12px; border: 1px solid var(--line); color: var(--steel-300); transition: all .25s; }
.chip:hover { border-color: var(--line-strong); color: var(--fg); }
.chip[aria-pressed="true"] { background: var(--fg); color: var(--ink-950); border-color: var(--fg); }
.filters__count { margin-left: auto; color: var(--steel-400); }
.pempty { padding: 64px 0; color: var(--steel-400); }

/* ---------- Photo slot (art-directed placeholder; becomes <img>) ---------- */
.slot { position: relative; overflow: hidden; background: var(--ink-850); border: 1px solid var(--line); isolation: isolate; height: 100%; min-height: 160px; }
.slot__fill { position: absolute; inset: 0; transition: transform 1.2s var(--ease); background:
  repeating-linear-gradient(135deg, transparent 0 11px, rgba(236,238,240,.035) 11px 12px); }
.slot img { width: 100%; height: 100%; object-fit: cover; }
.slot__corner { position: absolute; width: 14px; height: 14px; border-color: var(--steel-500); border-style: solid; border-width: 0; }
.slot__corner.tl { top: 10px; left: 10px; border-top-width: 1px; border-left-width: 1px; }
.slot__corner.tr { top: 10px; right: 10px; border-top-width: 1px; border-right-width: 1px; }
.slot__corner.bl { bottom: 10px; left: 10px; border-bottom-width: 1px; border-left-width: 1px; }
.slot__corner.br { bottom: 10px; right: 10px; border-bottom-width: 1px; border-right-width: 1px; }
.slot__cap { position: absolute; left: 20px; right: 20px; bottom: 18px; display: grid; gap: 6px; }
.slot__cap .mono { color: var(--steel-500); }
.slot__cap p { font-size: .8125rem; color: var(--steel-300); line-height: 1.45; max-width: 46ch; }
.slot__art { position: absolute; inset: 14% 10% 34%; color: var(--ink-700); display: grid; place-items: center; }
.slot__art svg { width: 100%; height: 100%; }
.sec--paper .slot { background: var(--paper-2); border-color: var(--line-paper); }
.sec--paper .slot__fill { background: repeating-linear-gradient(135deg, transparent 0 11px, rgba(17,20,24,.05) 11px 12px); }
.sec--paper .slot__cap p { color: var(--paper-mute); }
.sec--paper .slot__corner { border-color: var(--paper-mute); }

/* ---------- Spec tables / schedules ---------- */
.sched { border-top: 1px solid var(--line-strong); }
.sched__row { display: grid; grid-template-columns: 72px minmax(0, 1fr) minmax(0, auto); gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: baseline; transition: background-color .3s; }
.sched__row:hover { background: rgba(236,238,240,.025); }
.sched__row .ref { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .08em; color: var(--steel-500); }
.sched__row .it { font-size: 1.0625rem; line-height: 1.4; }
.sched__row .grp { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--steel-400); text-align: right; }
.sec--paper .sched { border-color: var(--paper-ink); }
.sec--paper .sched__row { border-color: var(--line-paper); }
.sec--paper .sched__row .ref, .sec--paper .sched__row .grp { color: var(--paper-mute); }

.spec { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.spec th, .spec td { text-align: left; padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-500); font-weight: 500; width: 34%; }
.spec thead th { color: var(--steel-400); border-bottom-color: var(--line-strong); width: auto; }
.spec td { color: var(--fg); }
.spec td .mute { font-size: .875rem; }
.sec--paper .spec th { color: var(--paper-mute); }
.sec--paper .spec td { color: var(--paper-ink); }
.sec--paper .spec th, .sec--paper .spec td { border-color: var(--line-paper); }
.tbl-scroll { overflow-x: auto; }

/* ---------- Split / feature blocks ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 112px); align-items: start; }
.split--wide-l { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
.split__sticky { position: sticky; top: calc(var(--header-h) + 40px); }
.stack { display: grid; gap: 24px; align-content: start; }
.stack--lg { gap: 36px; }
.drawing-frame { border: 1px solid var(--line-paper); background: var(--paper); position: relative; padding: clamp(16px, 3vw, 40px); color: var(--paper-ink); }
.drawing-frame .tb { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line-paper); margin-top: 16px; padding-top: 12px; color: var(--paper-mute); flex-wrap: wrap; }

/* ---------- HSE cycle ---------- */
.cycle { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.cycle__ring { position: relative; max-width: 560px; width: 100%; justify-self: center; }
.cycle__ring svg { width: 100%; height: auto; overflow: visible; }
.cycle__node { cursor: pointer; }
.cycle__node circle.dot { fill: var(--ink-950); stroke: var(--steel-500); stroke-width: 1; transition: all .3s; }
.cycle__node text { font-family: var(--f-mono); font-size: 13px; letter-spacing: .14em; fill: var(--steel-400); transition: fill .3s; }
.cycle__node.is-active circle.dot { fill: var(--red); stroke: var(--red); }
.cycle__node.is-active text, .cycle__node:hover text { fill: var(--fg); }
.cycle__node:focus { outline: none; }
.cycle__node:focus-visible circle.dot { stroke: var(--fg); stroke-width: 2; }
.cycle__arc { fill: none; stroke: var(--line-strong); stroke-width: 1; }
.cycle__arc-active { fill: none; stroke: var(--red); stroke-width: 1.5; transition: stroke-dasharray .8s var(--ease); }
.cycle__center { font-family: var(--f-display); }
.cycle__tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 28px; }
.cycle__panel { display: none; }
.cycle__panel.is-active { display: grid; gap: 22px; animation: fadeUp .5s var(--ease) both; }
.svc-list { border-top: 1px solid var(--line-strong); }
.svc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.svc h4 { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.01em; font-stretch: 104%; }
.svc p { color: var(--steel-300); font-size: .9375rem; line-height: 1.5; }

/* ---------- Welding table / process chips ---------- */
.wtable { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--paper-ink); }
.wcell { padding: 22px 18px 22px 0; display: grid; gap: 8px; align-content: start; }
.wcell + .wcell { padding-left: 18px; border-left: 1px solid var(--line-paper); }
.wcell .k { font-size: clamp(1.5rem, 2.3vw, 2.1rem); font-stretch: 104%; font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.wcell .v { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .06em; color: var(--paper-mute); text-transform: uppercase; }

/* ---------- Values ---------- */
.values { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.val { padding: 24px 20px 8px 0; display: grid; gap: 12px; align-content: start; }
.val + .val { padding-left: 20px; border-left: 1px solid var(--line); }
.val h3 { font-size: 1.25rem; font-stretch: 106%; }
.val p { color: var(--steel-300); font-size: .9rem; line-height: 1.5; }
.sec--paper .values { border-color: var(--paper-ink); }
.sec--paper .val + .val { border-color: var(--line-paper); }
.sec--paper .val p { color: var(--paper-mute); }

.quote { font-size: clamp(1.5rem, 2.8vw, 2.5rem); font-stretch: 104%; font-weight: 500; line-height: 1.2; letter-spacing: -0.02em; max-width: 30ch; text-wrap: balance; }
.quote::before { content: ""; display: block; width: 40px; height: 2px; background: var(--red); margin-bottom: 28px; }

/* ---------- Facility spec ---------- */
.facility { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: stretch; }
.facility__media { min-height: 420px; }

/* ---------- CTA band ---------- */
.cta { position: relative; overflow: hidden; isolation: isolate; padding-block: clamp(96px, 13vw, 200px); background: var(--ink-950); border-top: 1px solid var(--line); }
.cta::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px; mask-image: radial-gradient(70% 90% at 50% 100%, #000, transparent 75%); -webkit-mask-image: radial-gradient(70% 90% at 50% 100%, #000, transparent 75%); }
.cta__mark { position: absolute; z-index: -1; right: -6%; bottom: -26%; width: min(52vw, 720px); opacity: .07; filter: grayscale(1) brightness(2); }
.cta h2 { margin-block: 24px 32px; max-width: 14ch; }
.cta__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.cta__contacts { display: grid; gap: 10px; font-family: var(--f-mono); font-size: .875rem; letter-spacing: .02em; color: var(--steel-300); }
.cta__contacts a:hover { color: var(--fg); }
.cta__contacts .k { color: var(--steel-500); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; display: inline-block; width: 92px; }

/* ---------- Footer ---------- */
.ftr { background: var(--ink-950); border-top: 1px solid var(--line); padding-top: clamp(64px, 8vw, 112px); padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px)); }
.ftr__top { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 64px; }
.ftr__brand img { width: 150px; }
.ftr__brand p { margin-top: 24px; color: var(--steel-400); font-size: .9375rem; max-width: 34ch; }
.ftr h2 { font-family: var(--f-mono); font-size: var(--t-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel-500); font-weight: 500; margin-bottom: 18px; }
.ftr li a, .ftr address { color: var(--steel-300); font-size: .9375rem; font-style: normal; line-height: 1.55; }
.ftr li { padding: 4px 0; }
.ftr li a:hover { color: var(--fg); }
.ftr__bot { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; padding-top: 24px; border-top: 1px solid var(--line); color: var(--steel-500); }
.ftr__bot a:hover { color: var(--fg); }
.ftr__word { display: block; width: 100%; height: auto; margin-top: 56px; user-select: none; }
.ftr__word text { fill: var(--ink-800); font-family: var(--f-display); font-weight: 800; font-size: 150px; font-stretch: 112%; letter-spacing: 0; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 40px; }
.fset { border: 0; padding: 0; margin: 0; display: grid; gap: 20px; }
.fset legend { font-family: var(--f-mono); font-size: var(--t-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel-400); padding: 0 0 14px; width: 100%; border-bottom: 1px solid var(--line-strong); margin-bottom: 8px; display: flex; gap: 14px; }
.fset legend b { color: var(--red); font-weight: 500; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 8px; position: relative; }
.field label, .field .lbl { font-size: .875rem; color: var(--steel-300); font-weight: 500; }
.field label .opt { color: var(--steel-500); font-weight: 400; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; margin-left: 6px; }
.input, .select, .textarea {
  width: 100%; background: var(--ink-900); border: 1px solid var(--line-strong); color: var(--fg);
  font: inherit; font-size: 1rem; padding: 14px 16px; border-radius: 0; transition: border-color .25s, background-color .25s; appearance: none; -webkit-appearance: none;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--steel-500); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--fg); background: var(--ink-850); }
.textarea { min-height: 160px; resize: vertical; line-height: 1.5; }
.select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23a9b1b8' stroke-width='1.2'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.select option { background: var(--ink-900); }
.field.is-invalid .input, .field.is-invalid .select, .field.is-invalid .textarea { border-color: var(--red); }
.field__err { font-size: .8125rem; color: #ff8a8f; display: none; }
.field.is-invalid .field__err { display: block; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice span { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid var(--line-strong); font-size: .875rem; color: var(--steel-300); transition: all .2s; }
.choice span::before { content: ""; width: 8px; height: 8px; border: 1px solid var(--steel-500); transition: all .2s; }
.choice input:checked + span { border-color: var(--fg); color: var(--fg); background: var(--ink-850); }
.choice input:checked + span::before { background: var(--red); border-color: var(--red); }
.choice input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 2px; }
.types { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.type { position: relative; }
.type input { position: absolute; opacity: 0; inset: 0; cursor: pointer; z-index: 1; }
.type span { display: grid; gap: 6px; height: 100%; padding: 16px; border: 1px solid var(--line-strong); transition: all .2s; }
.type span b { font-weight: 600; font-size: 1rem; }
.type span i { font-style: normal; font-size: .8125rem; color: var(--steel-400); line-height: 1.4; }
.type input:checked + span { border-color: var(--red); background: var(--ink-850); box-shadow: inset 0 2px 0 var(--red); }
.type input:focus-visible + span { outline: 2px solid var(--fg); outline-offset: 2px; }
.drop { border: 1px dashed var(--line-strong); padding: 28px; display: grid; gap: 8px; justify-items: start; position: relative; transition: border-color .2s, background-color .2s; }
.drop.is-over { border-color: var(--fg); background: var(--ink-850); }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop strong { font-weight: 500; }
.drop .mono { color: var(--steel-500); }
.files { display: grid; gap: 6px; }
.files li { display: flex; justify-content: space-between; gap: 12px; font-family: var(--f-mono); font-size: .75rem; color: var(--steel-300); padding: 8px 12px; background: var(--ink-900); border: 1px solid var(--line); }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: .875rem; color: var(--steel-300); line-height: 1.5; }
.consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--red); flex: none; }
.form__foot { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; padding-top: 8px; }
.form__ok { border: 1px solid var(--line-strong); padding: 32px; display: grid; gap: 16px; background: var(--ink-900); }
.form__ok h3 { font-size: 1.75rem; }

.aside-card { border: 1px solid var(--line); padding: 28px; display: grid; gap: 18px; background: var(--ink-900); }
.aside-card + .aside-card { margin-top: 16px; }
.dlist { display: grid; gap: 14px; }
.dlist div { display: grid; gap: 2px; }
.dlist dt { color: var(--steel-500); }
.dlist dd { font-size: 1rem; }
.dlist dd a:hover { color: var(--red); }
.steps-v { counter-reset: s; display: grid; gap: 0; }
.steps-v li { counter-increment: s; display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); font-size: .9375rem; color: var(--steel-300); }
.steps-v li::before { content: "0" counter(s); font-family: var(--f-mono); font-size: .72rem; color: var(--red); padding-top: 3px; }

/* ---------- Misc blocks ---------- */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tile { background: var(--ink-950); padding: clamp(24px, 2.6vw, 36px); display: grid; gap: 16px; align-content: start; position: relative; transition: background-color .35s; min-height: 280px; }
.tile:hover { background: var(--ink-900); }
.tile .code { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; color: var(--steel-500); display: flex; justify-content: space-between; }
.tile:hover .code b { color: var(--red); }
.tile .code b { font-weight: 500; transition: color .3s; }
.tile h3 { font-size: clamp(1.5rem, 2.2vw, 2rem); font-stretch: 108%; }
.tile p { color: var(--steel-300); font-size: .9375rem; line-height: 1.5; }
.tile .link { margin-top: auto; align-self: start; justify-self: start; }
.tile__art { color: var(--ink-700); height: 130px; transition: color .4s; }
.tile:hover .tile__art { color: var(--steel-500); }
.tile__art svg { height: 100%; width: auto; max-width: 100%; }
.tile a.cover { position: absolute; inset: 0; }

.group-label { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-bottom: 16px; margin-bottom: 24px; border-bottom: 1px solid var(--line-strong); }
.group-label h2 { font-family: var(--f-mono); font-size: var(--t-mono); letter-spacing: .12em; text-transform: uppercase; font-weight: 500; color: var(--steel-300); }

.ind-sec { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 88px); padding-block: clamp(64px, 8vw, 120px); border-top: 1px solid var(--line); align-items: start; }
.ind-sec__media { aspect-ratio: 4 / 3.2; }
.ind-sec h2 { text-transform: uppercase; }

.cs-head { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-block: 1px solid var(--line-strong); margin-top: 48px; }
.cs-head div { padding: 18px 16px 18px 0; display: grid; gap: 6px; }
.cs-head div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.cs-head dt { color: var(--steel-500); }
.cs-body { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px 64px; }
.cs-body h2 { font-family: var(--f-mono); font-size: var(--t-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--steel-400); font-weight: 500; padding-top: 6px; }
.cs-body > div { padding-bottom: 48px; border-bottom: 1px solid var(--line); display: grid; gap: 14px; }
.gallery { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.gallery > * { grid-column: span 4; aspect-ratio: 4/3; }
.gallery > .w8 { grid-column: span 8; aspect-ratio: auto; }
.gallery > .w6 { grid-column: span 6; }

.notice { border: 1px dashed color-mix(in srgb, var(--amber) 50%, transparent); padding: 20px 24px; display: grid; gap: 8px; color: var(--steel-300); font-size: .9375rem; background: rgba(232,163,61,.04); }
.notice .mono { color: var(--amber); }

/* ---------- SVG drawings ---------- */
.dwg { width: 100%; height: auto; overflow: visible; }
.dwg .s { fill: none; stroke: currentColor; stroke-width: 1; vector-effect: non-scaling-stroke; stroke-linecap: square; }
.dwg .s2 { fill: none; stroke: currentColor; stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.dwg .thin { fill: none; stroke: currentColor; stroke-width: .6; opacity: .55; vector-effect: non-scaling-stroke; }
.dwg .dash { fill: none; stroke: currentColor; stroke-width: .7; stroke-dasharray: 6 5; opacity: .5; vector-effect: non-scaling-stroke; }
.dwg .acc { fill: none; stroke: var(--red); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.dwg .accf { fill: var(--red); stroke: none; }
.dwg .fill { fill: currentColor; stroke: none; }
.dwg .bg { fill: var(--ink-950); stroke: currentColor; stroke-width: 1; vector-effect: non-scaling-stroke; }
.sec--paper .dwg .bg, .drawing-frame .dwg .bg { fill: var(--paper); }
.dwg text { font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; fill: currentColor; stroke: none; }
.dwg text.lg { font-size: 13px; }
.dwg text.acc-t { fill: var(--red); }
.dwg .hatch { fill: url(#hatch); stroke: none; opacity: .5; }

/* Line-draw animation: only active once JS confirms motion is OK */
.motion .dwg.is-drawable .s, .motion .dwg.is-drawable .s2, .motion .dwg.is-drawable .acc { stroke-dasharray: 1; stroke-dashoffset: 1; }
.motion .dwg.is-drawable.is-drawn .s, .motion .dwg.is-drawable.is-drawn .s2, .motion .dwg.is-drawable.is-drawn .acc { stroke-dashoffset: 0; transition: stroke-dashoffset 2.4s var(--ease-io); transition-delay: calc(var(--i, 0) * 18ms); }
.motion .dwg.is-drawable text, .motion .dwg.is-drawable .dash, .motion .dwg.is-drawable .thin, .motion .dwg.is-drawable .fill, .motion .dwg.is-drawable .accf, .motion .dwg.is-drawable .hatch { opacity: 0; transition: opacity 1s var(--ease) 1.2s; }
.motion .dwg.is-drawable.is-drawn text, .motion .dwg.is-drawable.is-drawn .fill, .motion .dwg.is-drawable.is-drawn .accf { opacity: 1; }
.motion .dwg.is-drawable.is-drawn .dash, .motion .dwg.is-drawable.is-drawn .thin, .motion .dwg.is-drawable.is-drawn .hatch { opacity: .5; }

/* ---------- Reveal ---------- */
.motion [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.motion [data-reveal].is-in { opacity: 1; transform: none; }
.motion [data-reveal="mask"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1.3s var(--ease-io); transition-delay: calc(var(--d, 0) * 90ms); }
.motion [data-reveal="mask"].is-in { clip-path: inset(0 0 0 0); }
.motion .hero__title .ln > span { transform: translateY(105%); transition: transform 1.1s var(--ease); transition-delay: calc(var(--d, 0) * 110ms + 150ms); }
.motion .is-loaded .hero__title .ln > span { transform: none; }
.motion .hero [data-hero-fade] { opacity: 0; transform: translateY(14px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--d, 0) * 100ms + 600ms); }
.motion .is-loaded .hero [data-hero-fade] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px) {
  .hero__index ul { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .hero__index li:nth-child(n+5) { border-top: 1px solid var(--line); }
  .hero__index li:nth-child(5) { border-left: 0; }
  .creds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .creds .cred:nth-child(n+4) { border-top: 1px solid var(--line); }
  .creds .cred:nth-child(4) { border-left: 0; }
  .values { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .values .val:nth-child(4) { border-left: 0; padding-left: 0; }
  .values .val:nth-child(n+4) { border-top: 1px solid var(--line); margin-top: 8px; }
  .mega-menu__in { grid-template-columns: 1fr 1fr; }
  .mm-feature { display: none; }
}

@media (max-width: 1024px) {
  :root { --header-h: 68px; }
  .nav, .hdr__tel, .hdr__aside .btn { display: none; }
  .burger { display: block; }
  .mbar { display: grid; }
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom, 0px)); }
  .hero__drawing { width: 120vw; right: -30vw; top: calc(var(--header-h) + 40px); opacity: .45; }
  .hero__row { grid-template-columns: 1fr; }
  .shead__l { grid-column: 1 / -1; }
  .shead__r { grid-column: 1 / -1; }
  .capx { grid-template-columns: 1fr; }
  .capx__panel { display: none; }
  .capx__mob { display: block; overflow: hidden; }
  .capx__item:not(.is-active) .capx__mob { display: none; }
  .capx__mob .capx__art { border: 1px solid var(--line); aspect-ratio: 16/10; }
  .capx__mob .capx__txt { padding: 20px 0 28px; }
  .process__steps { grid-template-columns: 1fr 1fr; }
  .pstep:nth-child(3) { padding-left: 0; border-left: 0; }
  .pstep:nth-child(n+3) { border-top: 1px solid var(--line-paper); }
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 20px; }
  .rail__track { grid-auto-columns: minmax(280px, 46%); }
  .pcard { grid-column: span 6; }
  .pcard--lg { grid-column: 1 / -1; }
  .phero__grid, .split, .split--wide-l, .cycle, .facility, .ind-sec { grid-template-columns: 1fr; }
  .split__sticky { position: static; }
  .ftr__top { grid-template-columns: 1fr 1fr; }
  .ftr__brand { grid-column: 1 / -1; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .types { grid-template-columns: 1fr 1fr; }
  .wtable { grid-template-columns: 1fr 1fr; }
  .wcell:nth-child(3) { padding-left: 0; border-left: 0; }
  .wcell:nth-child(n+3) { border-top: 1px solid var(--line-paper); }
  .cs-body { grid-template-columns: 1fr; gap: 12px; }
  .cs-head { grid-template-columns: 1fr 1fr; }
  .cs-head div:nth-child(3) { padding-left: 0; border-left: 0; }
  .cs-head div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .cta__row { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --t-body: 1rem; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 120px); }
  .hero__sheet .wrap > :last-child { display: none; }
  .hero__index ul { grid-template-columns: 1fr 1fr; }
  .hero__index li { border-left: 0 !important; border-top: 1px solid var(--line); }
  .hero__index li:nth-child(even) { border-left: 1px solid var(--line) !important; }
  .hero__index li:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .hero__index a { padding: 14px 12px 16px; }
  .hero__cta .btn { flex: 1 1 100%; justify-content: space-between; }
  .creds { grid-template-columns: 1fr 1fr; }
  .creds .cred { border-left: 0 !important; border-top: 1px solid var(--line); }
  .creds .cred:nth-child(even) { border-left: 1px solid var(--line) !important; }
  .creds .cred:nth-child(-n+2) { border-top: 0; }
  .creds .cred:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .values { grid-template-columns: 1fr; }
  .val, .val + .val { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); margin-top: 0; }
  .val:first-child { border-top: 0; }
  .process__steps { grid-template-columns: 1fr; }
  .pstep, .pstep + .pstep { padding-left: 0; border-left: 0; }
  .pstep + .pstep { border-top: 1px solid var(--line-paper); }
  .rail__track { grid-auto-columns: 86%; }
  .pcard, .pcard--lg { grid-column: 1 / -1; }
  .pcard__media, .pcard--lg .pcard__media { aspect-ratio: 4/3; }
  .tiles { grid-template-columns: 1fr; }
  .frow { grid-template-columns: 1fr; }
  .types { grid-template-columns: 1fr; }
  .scope-mini { grid-template-columns: 1fr; }
  .sched__row { grid-template-columns: 44px minmax(0, 1fr); }
  .sched__row .grp { grid-column: 2; text-align: left; }
  .ftr__top { grid-template-columns: 1fr; gap: 32px; }
  .gallery > *, .gallery > .w8, .gallery > .w6 { grid-column: 1 / -1; }
  .filters__count { margin-left: 0; }
  .brand__word { width: 100px; }
  .brand__mark { width: 30px; }
  .facts { grid-template-columns: 1fr; }
  .fact, .fact + .fact { padding-left: 0; border-left: 0; }
  .fact + .fact { border-top: 1px solid var(--line); margin-top: 0; }
}

.pside { grid-column: span 4; }
@media (max-width: 1024px) { .pside { grid-column: 1 / -1; } .pcard--lg + .pside { margin-top: 24px; } }

.req--sm { padding: 2px 6px; font-size: .625rem; }
@media (max-width: 680px) {
  .hero__index { display: none; }
  .mega { font-size: clamp(2.9rem, 14vw, 4.5rem); font-stretch: 108%; }
  .facility__media { min-height: 0; aspect-ratio: 4 / 3; }
  .hero__body { padding-bottom: 56px; }
}
.ind-sec > *, .split > *, .cs-body > *, .phero__grid > *, .facility > *, .cycle > *, .capx > *, .hero__row > *, .cta__row > * { min-width: 0; }
@media (max-width: 1024px) { .mega-menu { display: none; } }

.wide-media { aspect-ratio: 21 / 9; }
@media (max-width: 680px) { .wide-media { aspect-ratio: 4 / 3; } }
.stack { grid-template-columns: minmax(0, 1fr); }
.ind-sec h2 { font-size: clamp(1.9rem, 3.8vw, 3.6rem); overflow-wrap: break-word; hyphens: auto; }

/* ==========================================================================
   Cinematic weld sequence (home) — pinned, scroll-scrubbed
   ========================================================================== */
.seq { position: relative; background: #07090b; border-top: 1px solid var(--line); }
.seq__track { position: relative; height: 640vh; }
.seq__stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; isolation: isolate; }
.seq__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -3; }
.seq__vignette { position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 45%, transparent 45%, rgba(4,5,7,.85) 100%),
              linear-gradient(180deg, rgba(4,5,7,.7), transparent 18%, transparent 78%, rgba(4,5,7,.9)); }
.seq__grain, .hero__grain { position: absolute; inset: -50%; z-index: -1; pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite; }
@keyframes grain { 0%{transform:translate(0,0)} 20%{transform:translate(-3%,2%)} 40%{transform:translate(2%,-3%)} 60%{transform:translate(-2%,-1%)} 80%{transform:translate(3%,3%)} 100%{transform:translate(0,0)} }

.seq__hud { position: absolute; top: calc(var(--header-h) + 8px); left: var(--gutter); right: var(--gutter); display: flex; justify-content: space-between; gap: 16px; color: var(--steel-400); padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.seq__hud b { color: var(--fg); font-weight: 500; }

.seq__head { position: absolute; left: var(--gutter); top: calc(var(--header-h) + 64px); display: grid; gap: 22px; transition: opacity .6s var(--ease), transform .8s var(--ease); max-width: 900px; }
.seq.is-past-intro .seq__head { opacity: 0; transform: translateY(-24px); pointer-events: none; }
.seq__title { font-size: clamp(3rem, 8.4vw, 8.5rem); font-stretch: 118%; font-weight: 700; line-height: .86; letter-spacing: -0.035em; text-transform: uppercase; }
.seq__hint { display: inline-flex; align-items: center; gap: 12px; color: var(--steel-400); }
.seq__mouse { width: 16px; height: 24px; border: 1px solid var(--steel-400); border-radius: 8px; position: relative; }
.seq__mouse::after { content: ""; position: absolute; left: 50%; top: 5px; width: 2px; height: 5px; margin-left: -1px; background: var(--red); border-radius: 1px; animation: wheel 1.6s var(--ease) infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(-2px) } 40% { opacity: 1 } 100% { opacity: 0; transform: translateY(7px) } }

.seq__steps { position: absolute; left: var(--gutter); bottom: 96px; width: min(440px, 40vw); min-height: 190px; }
.seq__step { position: absolute; left: 0; bottom: 0; display: grid; gap: 12px; opacity: 0; transform: translateY(18px); transition: opacity .5s var(--ease), transform .7s var(--ease); pointer-events: none; }
.seq__step.is-active { opacity: 1; transform: none; transition-delay: .12s; }
.seq__code { color: var(--steel-400); display: flex; gap: 12px; }
.seq__code b { color: var(--red); font-weight: 500; }
.seq__step h3 { font-size: clamp(1.9rem, 3.4vw, 3.2rem); font-stretch: 110%; font-weight: 600; line-height: .98; letter-spacing: -0.03em; }
.seq__step p { color: var(--steel-300); font-size: 1rem; line-height: 1.55; max-width: 40ch; }
.seq.is-intro .seq__steps { opacity: 0; }
.seq__steps { transition: opacity .5s var(--ease); }

.seq__inst { position: absolute; right: var(--gutter); bottom: 96px; width: 280px; min-height: 160px; }
.seq__panel { position: absolute; right: 0; bottom: 0; width: 100%; display: grid; gap: 0; border-top: 1px solid var(--line-strong); opacity: 0; transform: translateY(12px); transition: opacity .45s var(--ease), transform .6s var(--ease); background: linear-gradient(180deg, rgba(11,13,16,.6), rgba(11,13,16,.85)); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.seq__panel.is-active { opacity: 1; transform: none; }
.seq.is-intro .seq__panel, .seq.is-final .seq__panel { opacity: 0 !important; }
.seq__row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 12px; border-bottom: 1px solid var(--line); font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.seq__row span { color: var(--steel-500); }
.seq__row b { color: var(--fg); font-weight: 500; display: inline-flex; align-items: center; gap: 8px; }
.seq__arc { width: 7px; height: 7px; border-radius: 50%; background: var(--steel-500); }
.seq__arc.is-on { background: #fff; box-shadow: 0 0 6px 2px rgba(255,200,140,.9), 0 0 18px 6px rgba(225,38,45,.5); animation: flick .12s steps(2) infinite; }
@keyframes flick { 50% { opacity: .65 } }
.seq__chk b { opacity: 0; transform: scale(.4); transition: all .35s var(--ease); color: var(--fg); }
.seq__chk.is-ok b { opacity: 1; transform: none; }
.seq__chk.is-ok span { color: var(--steel-300); }
.seq__gauge { width: 100%; height: auto; color: var(--steel-300); padding: 14px 18px 4px; }
.seq__hold { width: 90px; height: 3px; background: var(--line-strong); position: relative; overflow: hidden; display: inline-block; }
.seq__hold i { position: absolute; inset: 0; background: var(--red); transform-origin: left; transform: scaleX(0); }

.seq__stamp { position: absolute; left: 50%; top: 44%; translate: -50% -50%; display: grid; justify-items: center; gap: 6px; padding: 18px 34px 16px; border: 3px solid var(--red); color: var(--red); rotate: -7deg; opacity: 0; scale: 1.8; transition: opacity .2s, scale .35s cubic-bezier(.2,1.6,.4,1); pointer-events: none; mix-blend-mode: screen; }
.seq__stamp::before { content: ""; position: absolute; inset: 4px; border: 1px solid var(--red); }
.seq__stamp b { font-size: clamp(2.2rem, 5vw, 4.2rem); font-stretch: 120%; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; line-height: 1; }
.seq__stamp span { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; }
.seq__stamp.is-in { opacity: .95; scale: 1; }
.seq__stamp.is-out { opacity: 0; scale: .9; transition: opacity .6s, scale .6s; }

.seq__final { position: absolute; right: var(--gutter); top: 50%; translate: 0 -46%; width: min(480px, 40vw); display: grid; gap: 22px; opacity: 0; transform: translateX(28px); transition: opacity .7s var(--ease), transform .9s var(--ease); pointer-events: none; padding: 32px; background: rgba(9,11,14,.78); border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.seq.is-final .seq__final { opacity: 1; transform: none; pointer-events: auto; }
.seq__final h3 { font-size: clamp(1.8rem, 2.8vw, 2.6rem); font-stretch: 108%; line-height: 1; letter-spacing: -0.025em; }
.seq__facts { border-top: 1px solid var(--line-strong); }
.seq__facts div { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.seq__facts dt { color: var(--steel-500); padding-top: 2px; }
.seq__facts dd { font-size: .9375rem; }
.seq__cta { display: flex; flex-wrap: wrap; gap: 10px; }
.seq.is-final .seq__steps { opacity: 0; }

.seq__rail { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 40px; height: 1px; background: var(--line-strong); }
.seq__rail-fill { position: absolute; left: 0; top: 0; height: 1px; width: 100%; background: var(--red); transform-origin: left; transform: scaleX(0); }
.seq__tick { position: absolute; left: var(--x); top: -4px; padding-top: 14px; font-family: var(--f-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-500); transition: color .3s; white-space: nowrap; }
.seq__tick::before { content: ""; position: absolute; left: 0; top: 0; width: 1px; height: 9px; background: var(--steel-500); transition: background-color .3s; }
.seq__tick.is-done { color: var(--fg); }
.seq__tick.is-done::before { background: var(--red); }

/* Static fallback (reduced motion): no pin, everything readable */
.seq.is-static .seq__track { height: auto; }
.seq.is-static .seq__stage { position: relative; height: auto; min-height: 0; padding: 600px var(--gutter) 64px; display: grid; gap: 40px; }
.seq.is-static .seq__canvas { position: absolute; inset: 0 0 auto 0; height: 560px; }
.seq.is-static .seq__head, .seq.is-static .seq__steps, .seq.is-static .seq__final, .seq.is-static .seq__hud { position: relative; inset: auto; translate: none; transform: none; opacity: 1; width: auto; max-width: 820px; }
.seq.is-static .seq__head { position: absolute; top: calc(var(--header-h) + 24px); left: var(--gutter); }
.seq.is-static .seq__steps { display: grid; gap: 28px; min-height: 0; }
.seq.is-static .seq__step { position: relative; opacity: 1; transform: none; }
.seq.is-static .seq__inst, .seq.is-static .seq__rail, .seq.is-static .seq__stamp, .seq.is-static .seq__hint, .seq.is-static .seq__hud { display: none; }
.seq.is-static .seq__final { pointer-events: auto; }

/* Hero: grain + parallax */
.hero__grain { z-index: -1; }
.hero__drawing { will-change: transform; transition: transform .9s cubic-bezier(.2,.7,.1,1); }

/* Page scroll progress */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 120; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--red); transform-origin: left; transform: scaleX(0); }

/* Scroll-scrubbed statement */
.scrub .w { color: var(--steel-500); transition: color .35s; }
.scrub .w.is-lit { color: var(--fg); }
.scrub em .w.is-lit { color: var(--steel-300); }

@media (max-width: 1024px) {
  .seq__track { height: 560vh; }
  .seq__steps { width: auto; right: var(--gutter); bottom: 64px; min-height: 170px; }
  .seq__step h3 { font-size: clamp(1.6rem, 6.4vw, 2.4rem); }
  .seq__step p { font-size: .9375rem; }
  .seq__inst { top: calc(var(--header-h) + 52px); bottom: auto; width: 210px; }
  .seq__panel { top: 0; bottom: auto; }
  .seq__row { padding: 7px 10px; font-size: .62rem; }
  .seq__gauge { padding: 8px 12px 0; }
  .seq__rail { bottom: 28px; }
  .seq__tick { font-size: 0; padding: 0; }
  .seq__final { left: var(--gutter); right: var(--gutter); top: auto; bottom: 64px; translate: none; width: auto; padding: 22px; transform: translateY(24px); }
  .seq__facts div { grid-template-columns: 84px 1fr; padding: 9px 0; }
  .seq__final h3 { font-size: 1.6rem; }
  .seq__stamp { top: 36%; }
}
@media (max-width: 680px) {
  .seq__hud > span:first-child { font-size: 0; }
  .seq__hud > span:first-child::before { content: attr(data-code); font-size: var(--t-mono); }
  .seq__inst { width: 170px; }
  .seq__title { font-size: clamp(2.6rem, 13vw, 4rem); }
  .seq__facts div:nth-child(4) { display: none; }
  .seq__final { gap: 14px; }
}
@media (prefers-reduced-motion: reduce) { .seq__grain, .hero__grain { animation: none; } }

body.in-seq .mbar { transform: translateY(110%); }
@media (max-width: 1024px) { .seq__stamp { top: 47%; } }

/* ==========================================================================
   Utility bar: market ticker + office / cell-WhatsApp
   ========================================================================== */
:root { --util-h: 34px; }
.util { height: var(--util-h); border-bottom: 1px solid var(--line); background: rgba(7, 9, 11, .72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.util__in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.util__contact { display: flex; align-items: center; gap: 22px; flex: none; font-size: .7rem; letter-spacing: .06em; color: var(--steel-300); white-space: nowrap; }
.util__contact a { display: inline-flex; align-items: center; gap: 7px; transition: color .25s; }
.util__contact a:hover { color: var(--fg); }
.util__contact .mute { color: var(--steel-500); text-transform: uppercase; letter-spacing: .1em; }
.wa { width: 13px; height: 13px; flex: none; }
.util__wa .wa { color: var(--steel-300); }
.util__wa:hover .wa { color: #fff; }

.tkr { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: 14px; height: 100%; }
.tkr__label { color: var(--fg); font-size: .66rem; letter-spacing: .14em; display: inline-flex; align-items: center; gap: 8px; flex: none; }
.tkr__label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 rgba(225,38,45,.6); animation: livepulse 2s infinite; }
.tkr.is-sample .tkr__label::before { animation: none; background: var(--amber); }
@keyframes livepulse { 0% { box-shadow: 0 0 0 0 rgba(225,38,45,.55) } 70% { box-shadow: 0 0 0 7px rgba(225,38,45,0) } 100% { box-shadow: 0 0 0 0 rgba(225,38,45,0) } }
.tkr__view { flex: 1 1 auto; min-width: 0; overflow: hidden; height: 100%; display: flex; align-items: center;
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 92%, transparent); }
.tkr__list { display: flex; width: max-content; animation: tkr var(--tkr-dur, 60s) linear infinite; }
.tkr__view:hover .tkr__list, .tkr__view:focus-within .tkr__list { animation-play-state: paused; }
@keyframes tkr { from { transform: translateX(0) } to { transform: translateX(-50%) } }
.tkr__it { display: inline-flex; align-items: baseline; gap: 8px; padding: 0 20px; border-right: 1px solid var(--line); font-family: var(--f-mono); font-size: .7rem; letter-spacing: .04em; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tkr__it .n { color: var(--steel-400); text-transform: uppercase; letter-spacing: .1em; }
.tkr__it .v { color: var(--fg); }
.tkr__it .c { color: var(--steel-300); }
.tkr__it .c.up::before { content: "▲ "; font-size: .55rem; color: var(--steel-300); }
.tkr__it .c.dn { color: #ff6b70; }
.tkr__it .c.dn::before { content: "▼ "; font-size: .55rem; }
.tkr__meta { flex: none; color: var(--steel-500); font-size: .62rem; letter-spacing: .1em; }
.tkr__meta .req { padding: 1px 6px; }

/* header shows util only at top of page */
.hdr { transition: background-color .4s var(--ease), border-color .4s var(--ease), transform .45s var(--ease); }
.hdr.is-solid { transform: translateY(calc(-1 * var(--util-h))); }
.hdr.is-solid.is-hidden, .hdr.is-hidden { transform: translateY(-100%); }
.hero { padding-top: calc(var(--header-h) + var(--util-h) + 64px); }
.phero { padding-top: calc(var(--header-h) + var(--util-h) + clamp(72px, 10vw, 140px)); }
.hero__sheet { top: calc(var(--header-h) + var(--util-h) + 28px); }
.hero__drawing { top: calc(var(--header-h) + var(--util-h) + 10px); }

.mbar { grid-template-columns: .8fr 1.1fr 1.6fr; }
.mbar__wa { gap: 8px; }
.mbar__wa .wa { width: 15px; height: 15px; }

@media (max-width: 1180px) { .util__contact a:first-child { display: none; } }
@media (max-width: 1024px) {
  :root { --util-h: 30px; }
  .util__contact { display: none; }
  .tkr__meta { display: none; }
  .hero__drawing { top: calc(var(--header-h) + var(--util-h) + 40px); }
}
@media (max-width: 680px) {
  .hero { padding-top: calc(var(--header-h) + var(--util-h) + 120px); }
  .mbar { grid-template-columns: .7fr 1fr 1.5fr; gap: 6px; padding-inline: 8px; }
  .mbar .btn { font-size: .62rem; letter-spacing: .08em; padding: 0 8px; }
  .mbar .btn .arr { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .tkr__list { animation: none; }
  .tkr__view { overflow-x: auto; scrollbar-width: none; }
}

.cred__d { color: var(--steel-400); font-size: .8125rem; line-height: 1.4; }
.process__steps--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 1024px) { .process__steps--5 { grid-template-columns: 1fr 1fr; } .process__steps--5 .pstep:nth-child(odd) { padding-left: 0; border-left: 0; } .process__steps--5 .pstep:nth-child(even) { padding-left: clamp(16px, 2vw, 28px); border-left: 1px solid var(--line-paper); } .process__steps--5 .pstep:nth-child(n+3) { border-top: 1px solid var(--line-paper); } }
@media (max-width: 680px) { .process__steps--5 { grid-template-columns: 1fr; } .process__steps--5 .pstep { padding-left: 0 !important; border-left: 0 !important; } .process__steps--5 .pstep + .pstep { border-top: 1px solid var(--line-paper); } }
.hero__index ul { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.leaders { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.leader { background: var(--ink-950); padding: 24px; display: grid; gap: 10px; align-content: start; min-height: 190px; }
.leader__y { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; color: var(--red); text-transform: uppercase; }
.leader h3 { font-size: 1.15rem; font-stretch: 104%; line-height: 1.2; }
.leader p { color: var(--steel-300); font-size: .9rem; line-height: 1.5; }
.org { display: grid; justify-items: center; gap: 0; }
.org__n { border: 1px solid var(--line-strong); padding: 12px 18px; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; background: var(--ink-900); text-align: center; }
.org__n--top { border-color: var(--red); color: var(--fg); }
.org__v { width: 1px; height: 28px; background: var(--line-strong); }
.org__row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; width: 100%; position: relative; padding-top: 28px; }
.org__row::before { content: ""; position: absolute; top: 0; left: 12.5%; right: 12.5%; height: 1px; background: var(--line-strong); }
.org__row .org__n { position: relative; }
.org__row .org__n::before { content: ""; position: absolute; top: -28px; left: 50%; width: 1px; height: 28px; background: var(--line-strong); }
.org__lbl { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel-500); margin: 22px 0 6px; }
.steps7 { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); counter-reset: s7; }
.steps7 li { counter-increment: s7; padding: 18px 14px 8px 0; display: grid; gap: 8px; align-content: start; }
.steps7 li + li { padding-left: 14px; border-left: 1px solid var(--line); }
.steps7 li::before { content: "0" counter(s7); font-family: var(--f-mono); font-size: .7rem; color: var(--red); }
.steps7 b { font-weight: 600; font-size: 1rem; line-height: 1.25; }
.steps7 span { color: var(--steel-300); font-size: .85rem; line-height: 1.45; }
@media (max-width: 1024px) { .leaders { grid-template-columns: 1fr 1fr; } .steps7 { grid-template-columns: 1fr 1fr; } .steps7 li { border-left: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--line); } .org__row { grid-template-columns: 1fr 1fr; } .org__row::before { display: none; } .org__row .org__n::before { display: none; } }
@media (max-width: 680px) { .leaders { grid-template-columns: 1fr; } .steps7 { grid-template-columns: 1fr; } }

/* ---------- Photography ---------- */
.slot--photo { background: var(--ink-900); }
.slot--photo img { transition: transform 1.6s var(--ease), filter .6s; }
.slot--photo::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 55%, rgba(7,9,11,.35)); }
.pcard:hover .slot--photo img, .ind-sec:hover .slot--photo img, [data-reveal]:hover > .slot--photo img { transform: scale(1.025); }
.slot--dwg .slot__art { color: var(--steel-500); opacity: .55; inset: 12% 8% 18%; }
.slot__tag { position: absolute; left: 20px; bottom: 16px; color: var(--steel-500); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; }
.sec--paper .slot--dwg .slot__art { color: var(--paper-mute); }
.gallery2 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px; height: clamp(320px, 38vw, 560px); }
.gallery2 > * { min-height: 0; }
.qa-photo { aspect-ratio: 4 / 3; }
.hero__photo { position: absolute; inset: 0; z-index: -3; }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 40%; opacity: .34; filter: saturate(.7);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.35) 25%, #000 60%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,.35) 25%, #000 60%); }
@media (max-width: 1024px) {
  .gallery2 { grid-template-columns: 1fr; height: auto; }
  .gallery2 > * { aspect-ratio: 16 / 10; }
  .hero__photo img { opacity: .26; mask-image: linear-gradient(180deg, #000 20%, transparent 85%); -webkit-mask-image: linear-gradient(180deg, #000 20%, transparent 85%); }
}

/* fixes: industry names, stat sizing, portrait crops */
.ind__name { font-size: clamp(1.45rem, 1.9vw, 2.1rem); hyphens: manual; overflow-wrap: normal; word-break: normal; }
.fact__n { font-size: clamp(2.8rem, 5vw, 5rem); white-space: nowrap; }
.slot--photo img[src*="steel-lift"] { object-position: 50% 28%; }
.slot--photo img[src*="steel-sections"] { object-position: 50% 60%; }

/* glance split */
.glance { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 88px); align-items: end; }
.glance__media { aspect-ratio: 16 / 11; }
/* uniform project grid */
.pgrid .pcard, .pgrid .pcard--lg { grid-column: span 6; }
.pgrid .pcard .pcard__media, .pgrid .pcard--lg .pcard__media { aspect-ratio: 16 / 9; }
.pgrid .pside { grid-column: span 6; }
/* industry card imagery */
.ind--img { padding-top: 24px; }
.ind__img { position: absolute; inset: 0 0 auto 0; height: 58%; z-index: -1; overflow: hidden; }
.ind__img img { width: 100%; height: 100%; object-fit: cover; opacity: .5; transition: opacity .6s, transform 1.2s var(--ease); }
.ind__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,13,16,.2), var(--ink-950) 96%); }
.ind:hover .ind__img img { opacity: .75; transform: scale(1.04); }
.ind:hover .ind__img::after { background: linear-gradient(180deg, rgba(16,19,23,.15), var(--ink-900) 96%); }
/* capability hero: photo behind drawing */
.phero__art--photo { overflow: hidden; min-height: 340px; display: grid; place-items: center; }
.phero__bg { position: absolute; inset: 0; z-index: 0; }
.phero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.phero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,13,16,.35), rgba(11,13,16,.75)); }
.phero__dwg { position: relative; z-index: 1; width: 100%; padding: clamp(16px, 3vw, 36px) clamp(16px, 3vw, 36px) 48px; color: var(--fg); opacity: .85; }
.phero__art--photo .cap { z-index: 1; }
@media (max-width: 1024px) {
  .glance { grid-template-columns: 1fr; }
  .pgrid .pcard, .pgrid .pcard--lg, .pgrid .pside { grid-column: 1 / -1; }
}
.facts--res { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.facts--res .fact:nth-child(3) { padding-left: 24px; border-left: 1px solid var(--line); border-top: 0; margin-top: 0; }
@media (max-width: 680px) { .facts--res { grid-template-columns: 1fr; } .facts--res .fact:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); } }
.phero__bg img { opacity: .62; }
.phero__bg::after { background: linear-gradient(180deg, rgba(11,13,16,.15), rgba(11,13,16,.7)); }
@media (max-width: 680px) {
  .facts:not(.facts--res) { grid-template-columns: 1fr 1fr; }
  .facts:not(.facts--res) .fact { padding: 20px 12px 16px 0; border-left: 0; border-top: 1px solid var(--line); }
  .facts:not(.facts--res) .fact:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line); }
  .facts:not(.facts--res) .fact:nth-child(-n+2) { border-top: 0; }
  .facts:not(.facts--res) .fact__n { font-size: 2.6rem; }
  .facts:not(.facts--res) .fact__l { font-size: .85rem; }
}

/* ==========================================================================
   v6 — cinematic hero reel, motion layer, insights, FAQ, tools
   ========================================================================== */

/* ---------- Hero reel ---------- */
.hero__film { position: absolute; inset: 0; z-index: -3; overflow: hidden; background: var(--ink-950); }
.hero__scene { position: absolute; inset: 0; opacity: 0; transition: opacity 1.8s var(--ease-io); }
.hero__scene.is-on { opacity: 1; }
.hero__scene img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 45%; filter: saturate(.82) contrast(1.04) brightness(.78); transform: scale(1.04); transform-origin: 60% 50%; }
.motion .hero__scene.is-on img { animation: kenburns 9s linear forwards; }
.motion .hero__scene:nth-child(2n).is-on img { animation-name: kenburns2; }
@keyframes kenburns { from { transform: scale(1.04) translate3d(0, 0, 0); } to { transform: scale(1.16) translate3d(-1.5%, -1%, 0); } }
@keyframes kenburns2 { from { transform: scale(1.16) translate3d(-1.5%, 0, 0); } to { transform: scale(1.04) translate3d(1%, -1%, 0); } }
.hero__vignette { position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(11,13,16,.92) 0%, rgba(11,13,16,.62) 38%, rgba(11,13,16,.18) 70%, rgba(11,13,16,.35) 100%),
    linear-gradient(180deg, rgba(11,13,16,.55) 0%, rgba(11,13,16,0) 22%, rgba(11,13,16,0) 55%, var(--ink-950) 100%); }
.hero__embers { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; mix-blend-mode: screen; opacity: .9; }
.hero__sweep { position: absolute; inset: -20% -40%; pointer-events: none; mix-blend-mode: soft-light; opacity: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 214, 170, .55) 50%, transparent 60%); }
.motion .hero__sweep { animation: sweep 9s var(--ease-io) infinite; }
@keyframes sweep { 0%, 55% { transform: translateX(-60%); opacity: 0; } 62% { opacity: 1; } 85% { opacity: .6; } 100% { transform: translateX(60%); opacity: 0; } }
.page-home .hero__drawing { opacity: .38; }
.page-home .hero__grid { opacity: .28; }
.hero__reel { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-bottom: 14px; color: var(--steel-300); font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; }
.hero__rec { display: inline-flex; align-items: center; gap: 10px; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hero__rec i { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 rgba(225,38,45,.6); flex: none; }
.motion .hero__rec i { animation: pulse 2s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(225,38,45,.55); } 100% { box-shadow: 0 0 0 10px rgba(225,38,45,0); } }
.hero__rec b { color: var(--fg); font-weight: 500; }
.hero__bars { display: flex; gap: 6px; flex: none; }
.hero__bars i { display: block; width: 44px; height: 2px; background: var(--line-strong); overflow: hidden; }
.hero__bars b { display: block; height: 100%; background: var(--fg); transform: scaleX(0); transform-origin: left; }
.hero__bars i.is-done b { transform: scaleX(1); }
.hero__bars i.is-on b { animation: bar var(--reel-t, 7s) linear forwards; }
@keyframes bar { to { transform: scaleX(1); } }
.hero__index ul { grid-template-columns: repeat(8, minmax(0, 1fr)); }
@media (max-width: 1024px) {
  .hero__vignette { background: linear-gradient(180deg, rgba(11,13,16,.5) 0%, rgba(11,13,16,.35) 35%, rgba(11,13,16,.85) 70%, var(--ink-950) 100%); }
  .hero__bars i { width: 26px; }
}
@media (max-width: 600px) { .hero__reel { font-size: .625rem; } }

/* ---------- Motion layer ---------- */
.motion [data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .06em; margin-bottom: -.06em; }
.motion [data-split] .w > span { display: inline-block; transform: translate3d(0, 105%, 0); transition: transform 1s var(--ease); transition-delay: calc(var(--i) * 70ms); }
.motion [data-split].is-in .w > span { transform: none; }
.kb { overflow: hidden; }
.kb img { transition: transform 1.6s var(--ease); }
.motion .kb img { transform: scale(1.08); }
.motion .kb.is-in img, .motion .is-in .kb img, .motion [data-reveal].is-in.kb img { transform: scale(1); }
.slot--photo img, .bcard__media img, .ind img, .gallery2 img { transition: transform 1.2s var(--ease), filter .6s; }
.slot--photo:hover img, .bcard:hover .bcard__media img, .gallery2 > div:hover img { transform: scale(1.04); }
[data-parallax] { will-change: transform; }

/* Marquee band */
.marq { position: relative; overflow: hidden; border-block: 1px solid var(--line); padding: clamp(18px, 2.4vw, 30px) 0; background: var(--ink-900); }
.marq__track { display: flex; width: max-content; gap: 0; }
.motion .marq__track { animation: marq 48s linear infinite; }
.marq:hover .marq__track { animation-play-state: paused; }
.marq__item { display: inline-flex; align-items: center; gap: clamp(20px, 3vw, 44px); padding-right: clamp(20px, 3vw, 44px); font-size: clamp(1.4rem, 3.2vw, 2.8rem); font-weight: 600; font-stretch: 112%; letter-spacing: -.02em; white-space: nowrap; color: var(--steel-400); }
.marq__item:nth-child(odd) { color: var(--fg); }
.marq__item svg { width: .55em; height: .55em; color: var(--red); flex: none; }
@keyframes marq { to { transform: translate3d(-50%, 0, 0); } }

/* ---------- Insights ---------- */
.bmeta { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--steel-400); font-size: .6875rem; }
.bmeta > * + *::before { content: "·"; margin-right: 16px; color: var(--steel-500); }
.bfeat { position: relative; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); border: 1px solid var(--line); background: var(--ink-900); }
.bfeat__media { min-height: clamp(280px, 34vw, 520px); position: relative; }
.bfeat__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bfeat__body { display: grid; align-content: end; gap: 20px; padding: clamp(24px, 3.5vw, 56px); }
.bfeat__body .h2 { font-size: clamp(1.7rem, 2.8vw, 2.75rem); line-height: 1.05; }
.bfeat .cover, .bcard .cover, .tcard .cover { position: absolute; inset: 0; z-index: 2; }
.bfeat:hover .link .arr, .bcard:hover h3, .tcard:hover .link .arr { color: var(--red); }
.bgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3vw, 44px) clamp(16px, 2vw, 32px); }
.bcard { position: relative; display: grid; gap: 14px; align-content: start; }
.bcard[hidden] { display: none; }
.bcard__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink-850); border: 1px solid var(--line); }
.bcard__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); }
.bcard h3 { font-size: clamp(1.15rem, 1.5vw, 1.4rem); line-height: 1.2; letter-spacing: -.01em; transition: color .3s; }
.bcard p { color: var(--steel-300); font-size: .9375rem; line-height: 1.55; }
@media (max-width: 1024px) { .bfeat { grid-template-columns: 1fr; } .bgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bgrid { grid-template-columns: 1fr; } }

.post__hero { padding-bottom: clamp(36px, 5vw, 64px); }
.post__title { font-size: clamp(2.1rem, 5vw, 4.4rem); max-width: 20ch; margin: 18px 0 24px; line-height: 1.02; }
.post__media { position: relative; aspect-ratio: 21 / 9; border: 1px solid var(--line); }
.post__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); }
.post__media figcaption { position: absolute; right: 14px; bottom: 10px; font-size: .625rem; color: var(--steel-300); }
.post__grid { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 720px); gap: clamp(32px, 6vw, 112px); padding-block: clamp(48px, 7vw, 104px); }
.post__sticky { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 24px; }
.post__toc ol { display: grid; gap: 2px; margin-top: 14px; border-left: 1px solid var(--line); counter-reset: toc; }
.post__toc a { display: block; padding: 6px 0 6px 16px; margin-left: -1px; border-left: 1px solid transparent; color: var(--steel-300); font-size: .875rem; line-height: 1.35; transition: color .2s, border-color .2s; }
.post__toc a:hover, .post__toc a.is-active { color: var(--fg); border-left-color: var(--red); }
.prose { font-size: 1.0625rem; line-height: 1.75; color: var(--steel-300); min-width: 0; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { color: var(--fg); font-size: clamp(1.45rem, 2.2vw, 1.9rem); line-height: 1.15; margin-top: 2.1em; scroll-margin-top: calc(var(--header-h) + 24px); }
.prose h2:first-child { margin-top: 0; }
.prose strong, .prose b { color: var(--fg); font-weight: 600; }
.prose a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: 3px; }
.prose ul, .prose ol { display: grid; gap: .5em; padding-left: 0; }
.prose ul li { position: relative; padding-left: 22px; }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .78em; width: 10px; height: 1px; background: var(--red); }
.prose ol { counter-reset: n; }
.prose ol li { position: relative; padding-left: 34px; counter-increment: n; }
.prose ol li::before { content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: .2em; font-family: var(--f-mono); font-size: .75rem; color: var(--red); }
.prose em { color: var(--steel-400); }
.prose .tbl-scroll { margin-block: 1.6em; }
.spec--post { min-width: 520px; font-size: .9375rem; }
.spec--post th, .spec--post td { text-align: left; vertical-align: top; }
.prose--tight { font-size: 1rem; }
.formula { font-family: var(--f-mono); font-size: .9375rem; color: var(--fg); padding: 16px 20px; border: 1px solid var(--line); border-left: 2px solid var(--red); background: var(--ink-900); overflow-x: auto; }
.post__tool { display: grid; grid-template-columns: 1fr auto; gap: 6px 24px; align-items: center; margin-top: 2.2em !important; padding: 22px 24px; border: 1px solid var(--line-strong); background: var(--ink-900); text-decoration: none !important; transition: border-color .3s, background .3s; }
.post__tool > span:first-child, .post__tool strong, .post__tool .mute { grid-column: 1; }
.post__tool .mono { font-size: .6875rem; }
.post__tool strong { font-size: 1.2rem; }
.post__tool .mute { font-size: .9rem; line-height: 1.5; }
.post__tool .arr { grid-column: 2; grid-row: 1 / span 3; width: 22px; }
.post__tool:hover { border-color: var(--red); background: var(--ink-850); }
.post__caps { display: grid; gap: 12px; margin-top: 2.6em !important; padding-top: 28px; border-top: 1px solid var(--line); }
.post__caps > div { display: flex; flex-wrap: wrap; gap: 8px; }
.post__caps .chip { text-decoration: none; }
.post__share { display: flex; flex-wrap: wrap; gap: 20px; font-size: .75rem; }
.post__share a { text-decoration: none; color: var(--steel-300); }
.post__share a:hover { color: var(--fg); }
@media (max-width: 1024px) { .post__grid { grid-template-columns: 1fr; } .post__aside { order: 2; } .post__toc { display: none; } .post__sticky { position: static; } .post__media { aspect-ratio: 16 / 10; } }

/* ---------- FAQ ---------- */
.faq-group + .faq-group { margin-top: clamp(48px, 6vw, 88px); }
.faq-group__h { font-size: .75rem; color: var(--steel-400); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; font-weight: 500; font-family: var(--f-mono); }
.faq { border-top: 1px solid var(--line-strong); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary { list-style: none; display: grid; grid-template-columns: 1fr 24px; gap: 24px; align-items: center; padding: clamp(18px, 2.2vw, 28px) 0; cursor: pointer; font-size: clamp(1.1rem, 1.7vw, 1.5rem); font-weight: 500; letter-spacing: -.01em; line-height: 1.25; transition: color .25s; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--fg); }
.faq__pl { position: relative; width: 16px; height: 16px; justify-self: end; }
.faq__pl::before, .faq__pl::after { content: ""; position: absolute; left: 0; top: 50%; width: 100%; height: 1.5px; background: currentColor; transition: transform .35s var(--ease), background .3s; }
.faq__pl::after { transform: rotate(90deg); }
.faq__item[open] .faq__pl::after { transform: rotate(0); }
.faq__item[open] .faq__pl::before, .faq__item[open] .faq__pl::after { background: var(--red); }
.faq__a { padding: 0 48px clamp(22px, 2.6vw, 32px) 0; color: var(--steel-300); max-width: 78ch; font-size: 1.0625rem; line-height: 1.7; }
.motion .faq__item[open] .faq__a { animation: faqin .5s var(--ease); }
@keyframes faqin { from { opacity: 0; transform: translateY(-6px); } }
.sec--paper .faq { border-top-color: var(--line-paper); }
.sec--paper .faq__item { border-bottom-color: var(--line-paper); }
.sec--paper .faq__a { color: var(--paper-mute); }
.faq-home { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 112px); }
@media (max-width: 1024px) { .faq-home { grid-template-columns: 1fr; } }

/* ---------- Tools ---------- */
.tgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.tcard { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) clamp(110px, 14vw, 180px); grid-template-rows: auto 1fr auto auto; gap: 14px 24px; padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line); background: var(--ink-900); overflow: hidden; transition: border-color .35s, background .35s; }
.tcard:hover { border-color: var(--line-strong); background: var(--ink-850); }
.tcard__top { grid-column: 1 / -1; display: flex; justify-content: space-between; font-size: .6875rem; color: var(--steel-400); }
.tcard__glyph { grid-column: 2; grid-row: 2 / span 3; align-self: center; color: var(--steel-500); opacity: .8; transition: color .4s, transform .8s var(--ease); }
.tcard:hover .tcard__glyph { color: var(--steel-300); transform: scale(1.06) rotate(-2deg); }
.tcard h2 { grid-column: 1; align-self: end; }
.tcard p { grid-column: 1; color: var(--steel-300); font-size: .9375rem; }
.tcard .link { grid-column: 1; }
.tnote { margin-top: 28px; font-size: .6875rem; }
@media (max-width: 800px) { .tgrid { grid-template-columns: 1fr; } .tcard { grid-template-columns: 1fr 90px; } }

.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 72px); align-items: start; }
.calc__in { display: grid; gap: 22px; }
.calc__in .frow { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.calc__in .frow[hidden] { display: none; }
.calc__out { position: sticky; top: calc(var(--header-h) + 24px); border: 1px solid var(--line-strong); background: var(--ink-900); }
.calc__res { display: grid; }
.calc__row { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: baseline; padding: 16px clamp(18px, 2.4vw, 28px); border-bottom: 1px solid var(--line); }
.calc__row .k { font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-400); }
.calc__row .v { font-variant-numeric: tabular-nums; font-size: 1.25rem; font-weight: 500; text-align: right; }
.calc__row.is-main { padding-block: clamp(22px, 3vw, 34px); }
.calc__row.is-main .v { font-size: clamp(2.2rem, 4.4vw, 3.6rem); font-weight: 600; font-stretch: 110%; letter-spacing: -.02em; line-height: 1; }
.calc__row.is-main .v small { font-size: .4em; color: var(--steel-400); margin-left: 6px; font-weight: 500; }
.calc__warn { padding: 14px clamp(18px, 2.4vw, 28px); font-size: .875rem; color: #ffb3b5; background: rgba(225,38,45,.08); border-bottom: 1px solid rgba(225,38,45,.3); }
.calc__viz { padding: clamp(18px, 2.4vw, 28px); color: var(--steel-400); }
.calc__viz svg { width: 100%; height: auto; max-height: 260px; }
.calc__viz .hl { color: var(--red); }
.range { -webkit-appearance: none; appearance: none; width: 100%; height: 2px; background: var(--line-strong); margin: 22px 0 12px; }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--fg); border: 4px solid var(--red); cursor: pointer; }
.range::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--fg); border: 4px solid var(--red); cursor: pointer; }
.motion .calc__row .v { transition: color .3s; }
.calc__row .v.flash { color: var(--red); }
@media (max-width: 900px) { .calc { grid-template-columns: 1fr; } .calc__out { position: static; } }

/* Home: tools + insights teaser */
.tstrip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.tstrip a { position: relative; display: grid; gap: 10px; align-content: start; padding: 24px 22px 28px; border-bottom: 1px solid var(--line); transition: background .3s; }
.tstrip a + a { border-left: 1px solid var(--line); }
.tstrip a:hover { background: var(--ink-850); }
.tstrip .mono { font-size: .6875rem; color: var(--red); }
.tstrip strong { font-size: 1.15rem; font-weight: 600; letter-spacing: -.01em; }
.tstrip span:last-child { font-size: .875rem; color: var(--steel-400); line-height: 1.5; }
@media (max-width: 1024px) { .tstrip { grid-template-columns: repeat(2, minmax(0, 1fr)); } .tstrip a:nth-child(3) { border-left: 0; } }
@media (max-width: 560px) { .tstrip { grid-template-columns: 1fr; } .tstrip a + a { border-left: 0; } }

@media (prefers-reduced-motion: reduce) {
  .hero__scene.is-on img, .hero__sweep, .marq__track, .hero__rec i { animation: none !important; }
  .kb img { transform: none !important; }
}
@media (min-width: 1025px) {
  .hero__scene { left: 34%; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 22%); mask-image: linear-gradient(90deg, transparent 0, #000 22%); }
  .hero__vignette { background:
    linear-gradient(90deg, var(--ink-950) 0%, rgba(11,13,16,.75) 30%, rgba(11,13,16,.1) 62%, rgba(11,13,16,.3) 100%),
    linear-gradient(180deg, rgba(11,13,16,.5) 0%, rgba(11,13,16,0) 22%, rgba(11,13,16,0) 60%, var(--ink-950) 100%); }
}
.page-home .hero__drawing { opacity: .22; }
.calc__row .v small { margin-left: 5px; font-size: .62em; color: var(--steel-400); font-weight: 500; }
.tsmall { font-size: .875rem; line-height: 1.55; color: var(--steel-400); }
@media (max-width: 600px) { .spec--post { min-width: 0; font-size: .875rem; } .spec--post th, .spec--post td { padding: 10px 8px 10px 0; } }
/* calculators: line tables */
.wlines { display: grid; gap: 8px; }
.wlines__head, .wlines__row { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr); gap: 10px; align-items: center; }
.wlines__head { font-size: .6875rem; color: var(--steel-400); letter-spacing: .08em; text-transform: uppercase; }
.wlines__k { font-weight: 500; font-size: .9375rem; }
.wlines .input, .wlines .select { padding-block: 12px; }
.spec--mini { width: 100%; font-size: .875rem; }
.spec--mini th, .spec--mini td { padding: 8px 10px 8px 0; text-align: left; }
.calc__viz:empty { display: none; }
.calc__row .k .nt { text-transform: none; letter-spacing: .02em; }
/* tools hub v2 */
.tnav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(36px, 5vw, 64px); }
.tnav a { display: inline-flex; gap: 10px; align-items: center; padding: 10px 14px; border: 1px solid var(--line-strong); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-300); transition: border-color .25s, color .25s; }
.tnav a:hover { border-color: var(--red); color: var(--fg); }
.tnav b { color: var(--red); font-weight: 500; }
.tgroup + .tgroup { margin-top: clamp(48px, 6vw, 88px); }
.tgroup__h { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel-400); font-weight: 500; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line-strong); scroll-margin-top: calc(var(--header-h) + 24px); }
.tcard h3 { grid-column: 1; align-self: end; font-size: clamp(1.25rem, 1.8vw, 1.6rem); line-height: 1.15; }
.ticon { width: 100%; height: auto; color: var(--steel-400); }
.tcard:hover .ticon { color: var(--fg); }
/* stacked calculators (nesting, HSE planner) */
.calc--stack { grid-template-columns: 1fr; }
.calc--stack .calc__out { position: static; }
.calc__cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px clamp(24px, 4vw, 56px); align-items: start; }
.wlines--parts .wlines__head, .wlines--parts .wlines__row { grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr)) minmax(0, .7fr); }
.choices--2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.choices--2 .choice { width: 100%; }
@media (max-width: 900px) { .calc__cols { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .choices--2 { grid-template-columns: 1fr; } .wlines--parts .wlines__head, .wlines--parts .wlines__row { grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 1fr)); gap: 6px; } }
.calc--stack .calc__res { display: block; }
.nest { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); gap: 16px; padding: clamp(18px, 2.4vw, 28px); border-top: 1px solid var(--line); }
.nest figure { border: 1px solid var(--line); background: var(--ink-950); padding: 12px; }
.nest figcaption { font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .08em; color: var(--steel-400); margin-top: 8px; display: flex; justify-content: space-between; }
.nest svg { width: 100%; height: auto; display: block; }
.ctbl { padding: 0 clamp(18px, 2.4vw, 28px) clamp(18px, 2.4vw, 28px); }
.ctbl table { width: 100%; }
.hsep { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.hsep section { padding: clamp(18px, 2.4vw, 28px); border-bottom: 1px solid var(--line); }
.hsep section:nth-child(odd) { border-right: 1px solid var(--line); }
.hsep h3 { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--red); font-weight: 500; margin-bottom: 14px; }
.hsep ul { display: grid; gap: 10px; }
.hsep li { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; font-size: .9375rem; line-height: 1.4; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.hsep li:last-child { border-bottom: 0; padding-bottom: 0; }
.hsep li b { font-weight: 600; color: var(--fg); }
.hsep li .n { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 1.05rem; text-align: right; white-space: nowrap; }
.hsep li .ref { grid-column: 1 / -1; font-family: var(--f-mono); font-size: .6875rem; color: var(--steel-400); letter-spacing: .04em; }
.hsep li .ref.gp { color: var(--amber); }
.hsum { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.hsum div { padding: clamp(18px, 2.4vw, 28px); border-right: 1px solid var(--line); }
.hsum div:last-child { border-right: 0; }
.hsum .k { font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel-400); display: block; margin-bottom: 8px; }
.hsum .v { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 600; letter-spacing: -.02em; line-height: 1; }
.calc__actions { display: flex; flex-wrap: wrap; gap: 12px; padding: 0 clamp(18px, 2.4vw, 28px) clamp(18px, 2.4vw, 28px); }
@media (max-width: 900px) { .hsep { grid-template-columns: 1fr; } .hsep section:nth-child(odd) { border-right: 0; } .hsum { grid-template-columns: repeat(2, minmax(0, 1fr)); } .hsum div:nth-child(2) { border-right: 0; } }
@media print { .hdr, .ftr, .mbar, .cta, .calc__in, .phero, .sec--raised, .sec:not(:has(.calc)) { display: none !important; } body { background: #fff; color: #000; } .calc__out { border-color: #999; } }
.choices--2 .choice { display: flex; }
.choices--2 .choice span { flex: 1; width: 100%; }
.nest { grid-template-columns: repeat(auto-fit, minmax(min(100%, 560px), 1fr)); }
@media (max-width: 520px) {
  .wlines--parts .wlines__head, .wlines--parts .wlines__row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .wlines--parts .wlines__head span:first-child { display: none; }
  .wlines--parts .wlines__row { padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
  .wlines--parts .wlines__row input:first-child { grid-column: 1 / -1; }
  .ctbl { overflow-x: auto; }
}
.util__mail { text-transform: none; letter-spacing: .04em; }
@media (max-width: 1380px) { .util__mail .mute, .util__wa .mute { display: none; } }
@media (max-width: 1240px) { .util__contact a:first-child { display: none; } }
/* consent banner */
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 200; max-width: 560px; margin-left: auto; display: grid; gap: 14px; padding: 18px 20px; background: var(--ink-850); border: 1px solid var(--line-strong); box-shadow: 0 20px 60px rgba(0,0,0,.5); font-size: .875rem; line-height: 1.5; color: var(--steel-300); }
.consent a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }
.consent__btns { display: flex; gap: 10px; justify-content: flex-end; }
.ftr__cookie { font: inherit; color: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
@media (max-width: 760px) { .consent { bottom: 76px; } }
.consent__h { color: var(--fg); font-size: .95rem; font-weight: 600; }
@media (max-width: 480px) { .consent__btns { flex-direction: column-reverse; } .consent__btns .btn { width: 100%; justify-content: center; } }
/* HSE / fire sequences */
.seq__hold--risk { background: linear-gradient(90deg, rgba(92,170,110,.5), rgba(232,163,61,.5), rgba(225,38,45,.5)); }
.seq__hold--risk i { background: var(--red); transform: scaleX(1); }
.seq--fire { background: #050608; }
.seq__chk b:not(:empty) { min-width: 1ch; }
.seq--hse .seq__stamp { mix-blend-mode: normal; background: rgba(11,13,16,.72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.seq--hse .seq__step, .seq--fire .seq__step { padding: 20px 22px 22px; margin-left: -22px; background: rgba(7,9,11,.8); border-left: 2px solid var(--red); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
@media (max-width: 1024px) { .seq--hse .seq__step, .seq--fire .seq__step { margin-left: 0; padding: 16px 16px 18px; } }

/* contact deep-link targets (#quote, #hse, #fire) */
.anchor { display: block; position: relative; top: calc(-1 * var(--header-h) - 24px); height: 0; visibility: hidden; }
#enquiry { scroll-margin-top: calc(var(--header-h) + 24px); }

/* Showcase sequences (data-driven, src/sequences.py) share the HSE/fire treatments */
.seq[data-seq-cfg] { background: #050608; }
.seq[data-seq-cfg] .seq__step { padding: 20px 22px 22px; margin-left: -22px; background: rgba(7,9,11,.8); border-left: 2px solid var(--red); backdrop-filter: blur(8px); }
.seq[data-seq-cfg] .seq__stamp { mix-blend-mode: normal; background: rgba(11,13,16,.72); backdrop-filter: blur(4px); }
@media (max-width: 1024px) { .seq[data-seq-cfg] .seq__step { margin-left: 0; padding: 16px 16px 18px; } }

/* Animated drawing hero (hero-fx.js) */
.phero__fx { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; will-change: transform, opacity; }