/* Vulcan Craft
   Dark only by brand decision: the forge palette is the identity.
   Shape rule: chamfered corners (the cut ends of the V mark) on buttons, media and panels;
   full pills only on segmented controls; inputs are square. */

:root {
  color-scheme: dark;
  --forge: #0b0b0c;
  --graphite: #121315;
  --graphite-2: #1a1b1e;
  --line: #26282c;
  --line-2: #34363b;
  --steel: #8b8f96;
  --silver: #b9bcc3;
  --bone: #eceef1;
  --orange: #ff6a13;
  --ember: #ff9a3c;
  --molten: #c9430a;
  --metal: linear-gradient(180deg, #fbfbfc 0%, #d9dce0 38%, #80848c 52%, #b3b7be 62%, #f1f2f4 100%);

  --display: "Unbounded", "Arial Black", Impact, sans-serif;
  --label: "Chakra Petch", "Arial Narrow", sans-serif;
  --body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;

  --ease: cubic-bezier(.16, 1, .3, 1);
  --bar-h: 72px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(96px, 12vw, 168px);

  /* z-index scale */
  --z-bar: 50;
  --z-grain: 60;
  --z-skip: 70;
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-padding-top: calc(var(--bar-h) + 16px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--forge);
  color: var(--bone);
  font: 400 17px/1.6 var(--body);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
/* Grain: fixed, non-interactive, never on a scrolling layer */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: var(--z-grain); opacity: .06; 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");
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ol, ul, dl, dd { margin: 0; }
ol, ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
::selection { background: rgba(255,106,19,.35); }

.skip { position: fixed; left: 16px; top: -60px; z-index: var(--z-skip); background: var(--bone); color: var(--forge); padding: 10px 14px; font-weight: 600; }
.skip:focus { top: 16px; }

/* Full-bleed sections; content column caps at 1180px */
.wrap { padding-inline: max(var(--gutter), calc((100% - 1180px) / 2)); }
.chamfer { --c: 14px; clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c)); }

/* ---------- Type ---------- */
.display { font: 800 clamp(36px, 4.6vw, 72px)/1 var(--display); text-transform: uppercase; letter-spacing: -.02em; text-wrap: balance; }
.metal { background: var(--metal); -webkit-background-clip: text; background-clip: text; color: transparent; }
.h2 { font: 700 clamp(30px, 3.6vw, 52px)/1.02 var(--display); text-transform: uppercase; letter-spacing: -.015em; text-wrap: balance; }
.h3-title { font: 500 15px/1.3 var(--label); letter-spacing: .02em; color: var(--steel); }
.section-sub { color: var(--silver); margin-top: 16px; max-width: 46ch; text-wrap: pretty; }

/* ---------- Buttons ---------- */
.btn {
  --c: 10px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 600 13px/1 var(--label); letter-spacing: .12em; text-transform: uppercase; white-space: nowrap;
  padding: 17px 26px; border: 0; cursor: pointer; color: var(--forge);
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c));
  transition: transform .5s var(--ease), filter .3s ease;
}
.btn:hover { filter: brightness(1.08); }
/* Feedback on press, instantly */
.btn:active { transform: scale(.97); transition-duration: .1s; }
.btn-sm { padding: 12px 18px; font-size: 12px; --c: 8px; }
.btn-silver { background: linear-gradient(180deg, #f5f6f7, #b9bdc4); }
.btn-orange { background: linear-gradient(180deg, var(--ember), var(--orange) 55%, var(--molten)); color: #1a0a02; }

.link-arrow { display: inline-flex; align-items: center; gap: 10px; font: 600 13px/1 var(--label); letter-spacing: .12em; text-transform: uppercase; color: var(--bone); padding: 12px 0; }
.link-arrow span { transition: transform .5s var(--ease); color: var(--ember); }
.link-arrow:hover span { transform: translateX(5px); }
.link-arrow:active { opacity: .7; }

.round { --c: 8px; width: 48px; height: 48px; display: grid; place-items: center; border: 0; cursor: pointer; font: 500 18px/1 var(--body); color: var(--bone); background: var(--graphite-2); box-shadow: inset 0 0 0 1px var(--line-2);
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c)); transition: background-color .25s, transform .5s var(--ease); }
.round:hover { background: #24262a; }
.round:active { transform: scale(.94); transition-duration: .1s; }
.round:disabled { opacity: .35; cursor: default; transform: none; }

/* ---------- Segmented control (nav + products) ---------- */
.seg { position: relative; display: flex; gap: 2px; padding: 4px; border-radius: 999px; background: rgba(255,255,255,.04); box-shadow: inset 0 0 0 1px rgba(255,255,255,.07); }
.seg > a, .seg > button { position: relative; z-index: 1; font: 600 12px/1 var(--label); letter-spacing: .1em; text-transform: uppercase; padding: 10px 16px; border-radius: 999px; color: var(--silver); background: none; border: 0; cursor: pointer; white-space: nowrap; transition: color .3s ease; }
.seg > a:hover, .seg > button:hover { color: var(--bone); }
.seg > .on { color: var(--forge); }
.seg-thumb { position: absolute; z-index: 0; top: 4px; bottom: 4px; left: 0; width: var(--w, 0); transform: translateX(var(--x, 0)); border-radius: 999px; background: linear-gradient(180deg, #f5f6f7, #babec5); box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 6px 16px -6px rgba(0,0,0,.6); opacity: 0; transition: opacity .25s ease; will-change: transform; }

/* ---------- Header: translucent material, content scrolls beneath ---------- */
.bar-in { position: relative; }
/* Industries dropdown: opens under its nav link (position set by script) */
.menu { --c: 12px; position: absolute; top: calc(100% - 6px); left: var(--mx, 0); z-index: 5; min-width: 320px; display: grid; padding: 8px; background: rgba(20,21,24,.96); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: inset 0 0 0 1px var(--line-2), 0 24px 48px -20px rgba(0,0,0,.8);
  opacity: 0; transform: translateY(-6px); pointer-events: none; transition: opacity .25s ease, transform .35s var(--ease); }
.menu.open { opacity: 1; transform: none; pointer-events: auto; }
.menu a { display: grid; gap: 3px; padding: 12px 14px; transition: background-color .2s; }
.menu a:hover, .menu a:focus-visible { background: rgba(255,255,255,.05); }
.menu b { font: 600 14px/1.3 var(--body); color: var(--bone); }
.menu span { font-size: 13px; color: var(--steel); line-height: 1.4; }
@media (max-width: 900px) { .menu { left: 0; right: 0; min-width: 0; top: 100%; } }
/* Dropdown triggers carry a chevron that flips while the menu is open */
.seg > a[data-menu] { display: inline-flex; align-items: center; gap: 8px; }
.seg > a[data-menu]::after { content: ""; width: 5px; height: 5px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); opacity: .7; transition: transform .35s var(--ease); }
.seg > a[data-menu][aria-expanded="true"]::after { transform: translateY(1px) rotate(225deg); }
.menu a[aria-current="page"] b { color: var(--ember); }

.top-sentinel { position: absolute; top: 0; left: 0; height: 24px; width: 1px; }
.bar { position: sticky; top: 0; z-index: var(--z-bar); transition: background-color .4s ease, backdrop-filter .4s ease; }
.bar::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 28px; pointer-events: none; opacity: 0; transition: opacity .4s ease;
  background: linear-gradient(180deg, rgba(11,11,12,.55), transparent); }
.bar.scrolled { background: rgba(14,14,16,.62); -webkit-backdrop-filter: blur(20px) saturate(160%); backdrop-filter: blur(20px) saturate(160%); box-shadow: inset 0 -1px 0 rgba(255,255,255,.05); }
.bar.scrolled::after { opacity: 1; }
.bar-in { height: var(--bar-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo img { height: 24px; width: auto; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow-x: clip; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 24px;
  min-height: min(calc(100dvh - var(--bar-h)), 900px); padding-block: 24px 72px; margin-top: calc(-1 * var(--bar-h)); padding-top: calc(var(--bar-h) + 24px); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(42% 58% at 74% 48%, rgba(255,106,19,.14), transparent 70%), radial-gradient(40% 50% at 12% 20%, rgba(185,188,195,.06), transparent 70%); }
.hero-copy { position: relative; z-index: 2; }
.lede { max-width: 38ch; margin-top: 28px; font-size: clamp(17px, 1.35vw, 20px); line-height: 1.55; color: var(--silver); text-wrap: pretty; }
.actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 40px; }
.stage { position: relative; align-self: stretch; min-height: 480px; }
#forge { position: absolute; inset: -6% -10% 8% -14%; width: 124%; height: 98%; display: block; }
.readout { position: absolute; left: 0; bottom: 0; display: flex; align-items: center; gap: 20px; font: 500 13px/1 var(--label); letter-spacing: .06em; color: var(--steel); font-variant-numeric: tabular-nums; }
.readout b { color: var(--ember); font-weight: 600; display: inline-block; min-width: 2ch; text-align: right; }
.reprint { background: none; border: 0; padding: 8px 0; color: var(--silver); font: inherit; cursor: pointer; text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 4px; transition: color .2s, text-decoration-color .2s; }
.reprint:hover { color: var(--bone); text-decoration-color: var(--orange); }

.rise { animation: rise 1.1s var(--ease) both; animation-delay: calc(var(--i, 0) * 90ms + 80ms); }
@keyframes rise { from { opacity: 0; transform: translateY(22px); filter: blur(6px); } }

/* Scroll reveals (only when JS is on, so content never stays hidden) */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform 1.1s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
.js .reveal.in { opacity: 1; transform: none; }

section { position: relative; }

/* ---------- Facts ---------- */
.facts dl { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.facts dl > div { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 10px; padding: 32px 24px 8px 0; }
.facts dl > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.facts dd { font: 700 clamp(36px, 4.2vw, 60px)/1 var(--display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.facts dt { font: 500 14px/1.4 var(--body); color: var(--steel); }

/* ---------- Services: sticky heading, editorial index ---------- */
.services { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); padding-block: var(--section) calc(var(--section) * .5); }
.svc-head { position: sticky; top: calc(var(--bar-h) + 40px); align-self: start; }
.svc-head p { color: var(--silver); margin: 20px 0 20px; max-width: 34ch; }
.svc-list { counter-reset: none; }
.svc { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); column-gap: 32px; row-gap: 12px; padding: 34px 0 36px; border-top: 1px solid var(--line); }
.svc:last-child { border-bottom: 1px solid var(--line); }
.svc::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1px; background: linear-gradient(90deg, var(--orange), rgba(255,106,19,0)); transform: scaleX(0); transform-origin: left; transition: transform .8s var(--ease); }
.svc:hover::before { transform: scaleX(1); }
.svc h3 { grid-row: span 2; font: 500 clamp(21px, 2vw, 27px)/1.15 var(--display); letter-spacing: -.01em; transition: transform .6s var(--ease), color .3s; }
.svc:hover h3 { transform: translateX(6px); }
.svc p { color: var(--silver); font-size: 16px; text-wrap: pretty; }
.svc .svc-tags { font: 500 14px/1.5 var(--label); letter-spacing: .02em; color: var(--steel); }

/* ---------- Industries ---------- */
.industries { padding-block: 24px calc(var(--section) * .8); }
.ind-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 20px; }
.ind-list li { display: grid; gap: 8px; align-content: start; }
.ind-list strong { font: 600 16px/1.3 var(--body); color: var(--bone); }
.ind-list span { color: var(--steel); font-size: 15px; line-height: 1.5; }
/* Linked segments: a lit panel that leads to its funnel page */
.ind-link { --c: 14px; display: grid; gap: 8px; align-content: start; padding: 24px 22px 22px; background: var(--graphite); box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow .3s ease, transform .5s var(--ease); }
.ind-link:hover { box-shadow: inset 0 0 0 1px var(--line-2), inset 0 1px 0 rgba(255,106,19,.5); transform: translateY(-2px); }
.ind-link em { font: 600 12px/1 var(--label); font-style: normal; letter-spacing: .12em; text-transform: uppercase; color: var(--ember); margin-top: 10px; display: flex; gap: 8px; align-items: center; }
.ind-link em b { font-weight: 400; transition: transform .5s var(--ease); }
.ind-link:hover em b { transform: translateX(4px); }
.ind-list li:has(.ind-link) { padding: 0; }

/* ---------- Products: swipeable track, transparent cutouts ---------- */
.products { padding-block: calc(var(--section) * .6) var(--section); }
.prod-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.p-view { position: relative; margin-top: clamp(40px, 5vw, 72px); overflow: hidden; touch-action: pan-y; cursor: grab; user-select: none; -webkit-user-select: none; outline-offset: -4px; }
.p-view.dragging { cursor: grabbing; }
.p-track { display: flex; gap: clamp(16px, 3vw, 48px); will-change: transform; }
.p-slide { --pad: 8%; position: relative; flex: 0 0 min(56vw, 760px); aspect-ratio: 16 / 10; margin: 0; transform-origin: 50% 60%; will-change: transform, opacity; }
/* A lit floor instead of a card: the product sits in the forge light */
.p-slide::before { content: ""; position: absolute; left: 12%; right: 12%; bottom: 4%; height: 26%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255,106,19,.22), rgba(255,106,19,.06) 55%, transparent); filter: blur(8px); }
.p-slide img { position: absolute; inset: var(--pad); margin: auto; max-width: calc(100% - 2 * var(--pad)); max-height: calc(100% - 2 * var(--pad)); object-fit: contain; pointer-events: none;
  filter: drop-shadow(0 28px 34px rgba(0,0,0,.6)); -webkit-user-drag: none; }
.p-detail { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-top: 32px; }
.p-text { max-width: 560px; min-height: 180px; }
.p-text.swap { animation: swap .6s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(10px); } }
.kind { font: 600 13px/1 var(--label); letter-spacing: .06em; color: var(--ember); }
.p-text h3 { font: 600 clamp(22px, 2.2vw, 30px)/1.15 var(--display); letter-spacing: -.01em; margin: 14px 0 12px; }
.p-text p { color: var(--silver); text-wrap: pretty; }
.p-text .p-tags { margin-top: 14px; font: 500 14px/1.5 var(--label); letter-spacing: .02em; color: var(--steel); }
.p-ctrl { display: flex; gap: 8px; }

/* ---------- Process: sticky drawing fills in with each step ---------- */
.process { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); padding-block: var(--section); }
.proc-visual { position: sticky; top: calc(var(--bar-h) + 40px); align-self: start; height: calc(100dvh - var(--bar-h) - 80px); max-height: 640px; display: grid; place-items: center; }
.dwg { width: 100%; height: auto; overflow: visible; }
.steps { margin-top: 56px; }
.steps li { padding: 28px 0 32px 28px; border-left: 1px solid var(--line); position: relative; min-height: 34vh; display: flex; flex-direction: column; justify-content: center; transition: opacity .5s ease; opacity: .38; }
.steps li::before { content: ""; position: absolute; left: -1px; top: 0; bottom: 0; width: 1px; background: var(--orange); transform: scaleY(0); transform-origin: top; transition: transform .7s var(--ease); }
.steps li.on { opacity: 1; }
.steps li.on::before { transform: scaleY(1); }
.steps h3 { font: 600 clamp(20px, 1.9vw, 26px)/1.2 var(--display); letter-spacing: -.01em; }
.steps p { color: var(--silver); margin-top: 10px; max-width: 42ch; }

/* Drawing states. Discovery: envelope and a faint sketch. Design: firm outline. Prototype: print layers.
   Refine: tolerance + lightening holes. Launch: finished metal. Support: it glows. */
.dwg .d-dim, .dwg .d-draw, .dwg .d-helix, .dwg .d-layers, .dwg .d-tol, .dwg .d-holes, .dwg .d-fill { transition: opacity .8s var(--ease), stroke-dashoffset 1.4s var(--ease); }
.dwg .d-draw { stroke-dasharray: 1; stroke-dashoffset: 1; }
.dwg .d-helix, .dwg .d-layers, .dwg .d-tol, .dwg .d-holes, .dwg .d-fill { opacity: 0; }
.dwg .d-dim { opacity: 1; }
.dwg .d-draw { opacity: .3; }
.dwg.s0 .d-draw { stroke-dashoffset: 0; }
.dwg.s1 .d-draw { opacity: 1; }
.dwg.s1 .d-helix { opacity: .8; }
.dwg.s2 .d-layers { opacity: .55; }
.dwg.s3 .d-tol, .dwg.s3 .d-holes { opacity: 1; }
.dwg.s4 .d-fill { opacity: 1; }
.dwg.s5 { filter: drop-shadow(0 0 24px rgba(255,106,19,.22)); }
.dwg { transition: filter 1s ease; }

/* ---------- About ---------- */
.about { padding-block: calc(var(--section) * .6) var(--section); }
.about-h { max-width: 16ch; font-size: clamp(34px, 5vw, 72px); }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 64px); margin-top: 48px; max-width: 980px; margin-left: auto; }
.about-cols p { color: var(--silver); text-wrap: pretty; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 88px; padding-top: 32px; border-top: 1px solid var(--line); }
.values dt { font: 600 17px/1.2 var(--display); text-transform: uppercase; letter-spacing: -.005em; }
.values dd { color: var(--steel); margin-top: 12px; font-size: 15px; line-height: 1.55; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 88px); align-items: start; padding-block: var(--section); border-top: 1px solid var(--line);
  background: radial-gradient(50% 60% at 85% 100%, rgba(255,106,19,.1), transparent 70%); }
.contact-copy > p { color: var(--silver); margin-top: 20px; max-width: 40ch; }
.contact-list { display: grid; gap: 18px; margin-top: 40px; }
.contact-list dt { font: 500 13px/1 var(--label); letter-spacing: .04em; color: var(--steel); }
.contact-list dd { margin-top: 6px; overflow-wrap: anywhere; }
.contact-list a { text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 4px; transition: text-decoration-color .2s; }
.contact-list a:hover { text-decoration-color: var(--orange); }

/* Form: a heavier material panel with a lit top edge */
.quote-form { --c: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: clamp(24px, 3vw, 40px); background: linear-gradient(180deg, #17181b, #111214); box-shadow: inset 0 1px 0 rgba(255,255,255,.07); }
.field { display: grid; gap: 8px; min-width: 0; align-content: start; }
.wide { grid-column: 1 / -1; }
.field label { font: 500 14px/1.2 var(--body); color: var(--silver); display: flex; justify-content: space-between; gap: 10px; }
.field label span { color: var(--steel); font-size: 13px; }
.field input, .field select, .field textarea { width: 100%; background: #0c0d0e; border: 1px solid var(--line-2); color: var(--bone); font: 400 16px/1.4 var(--body); padding: 13px 14px; border-radius: 0; transition: border-color .2s, box-shadow .2s; }
.field textarea { resize: vertical; min-height: 130px; }
.field ::placeholder { color: #7d8189; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255,106,19,.22); }
.field [aria-invalid="true"] { border-color: #ff6b5b; }
.form-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.form-msg { font-size: 14px; color: var(--silver); min-height: 1.4em; max-width: 40ch; }
.form-msg.ok { color: var(--ember); }
.form-msg.err { color: #ff8a7d; }

/* ---------- Footer ---------- */
.foot { padding-block: 40px 44px; border-top: 1px solid var(--line); }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.foot img { height: 18px; width: auto; }
.foot-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.foot-nav a { font-size: 15px; color: var(--silver); transition: color .2s; }
.foot-nav a:hover { color: var(--bone); }
.foot-legal { margin-top: 28px; font-size: 14px; color: var(--steel); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .p-slide { flex-basis: 68vw; }
}
@media (max-width: 900px) {
  :root { --bar-h: 64px; }
  .bar-in { height: auto; min-height: var(--bar-h); flex-wrap: wrap; padding-block: 12px; row-gap: 10px; }
  .nav-seg { order: 3; width: 100%; min-width: 0; overflow-x: auto; scrollbar-width: none; justify-content: space-between; }
  .prod-seg { max-width: 100%; min-width: 0; overflow-x: auto; scrollbar-width: none; }
  .nav-seg::-webkit-scrollbar { display: none; }
  html { scroll-padding-top: 130px; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 140px; margin-top: -120px; padding-bottom: 48px; }
  .stage { min-height: 360px; }
  #forge { inset: -4% -8% 12% -8%; width: 116%; height: 92%; }
  .facts dl { grid-template-columns: 1fr; }
  .facts dl > div, .facts dl > div + div { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .services, .process, .contact { grid-template-columns: 1fr; }
  .svc-head, .proc-visual { position: static; }
  .svc { grid-template-columns: 1fr; }
  .svc h3 { grid-row: auto; }
  .ind-list { grid-template-columns: 1fr 1fr; }
  .p-slide { flex-basis: 80vw; }
  .p-detail { flex-direction: column; align-items: stretch; }
  .p-text { min-height: 0; }
  .proc-visual { height: auto; max-height: none; }
  .steps li { min-height: 0; opacity: 1; }
  .about-cols, .values { grid-template-columns: 1fr 1fr; }
  .about-cols { margin-left: 0; }
}
@media (max-width: 560px) {
  .ind-list, .about-cols, .values, .quote-form { grid-template-columns: 1fr; }
  .values { margin-top: 56px; }
  .actions { gap: 16px; }
  .seg > a, .seg > button { padding: 10px 12px; }
}

/* ---------- Accessibility preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; transition-duration: .15s !important; transition-delay: 0s !important; }
  .js .reveal { transform: none; }
  .rise { filter: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .bar.scrolled { background: #121315; -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@media (prefers-contrast: more) {
  :root { --steel: #b3b6bc; --silver: #d6d8dc; --line: #4a4d53; }
}