:root {
  --ink: #101821;
  --bg: #18222d;
  --panel: #202c38;
  --panel-strong: #263440;
  --cream: #f3eadc;
  --muted: #aeb6bd;
  --accent: #84919b;
  --accent-dark: #5f6b74;
  --line: rgba(243, 234, 220, 0.14);
  --soft-line: rgba(243, 234, 220, 0.08);
  --max: 1240px;
  --radius: 3px;
  --shadow: 0 24px 80px rgba(2, 8, 14, 0.28);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 280px;
  background: var(--bg);
  color: var(--cream);
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 59%, rgba(255,255,255,.018) 59% 76%, transparent 76%),
    radial-gradient(circle at 74% 8%, rgba(255,255,255,.05), transparent 26%);
  z-index: -1;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--cream);
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(24, 34, 45, .86);
  backdrop-filter: blur(16px);
  transition: border-color .25s ease, background .25s ease;
}
.site-header.is-scrolled { border-color: var(--line); background: rgba(16, 24, 33, .94); }
.nav { min-height: 78px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; font-size: 14px; font-weight: 760; letter-spacing: .12em; }
.brand-mark { width: 26px; height: 26px; position: relative; border: 1px solid var(--line); border-radius: 50%; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; top: 50%; height: 2px; background: var(--accent); transform: translateY(-50%); }
.brand-mark::before { left: 5px; width: 6px; }
.brand-mark::after { right: 4px; width: 9px; }
.brand small { color: var(--muted); font-size: 9px; font-weight: 500; letter-spacing: .16em; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); font-size: 13px; transition: color .2s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--cream); }
.nav-cta { color: var(--cream) !important; border-bottom: 1px solid var(--accent); padding-bottom: 3px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; color: var(--cream); cursor: pointer; }
.menu-toggle span, .menu-toggle::before { content: ""; display: block; width: 18px; height: 1px; margin: 5px auto; background: currentColor; transition: transform .2s ease; }

.eyebrow { color: var(--accent); font-size: 11px; font-weight: 720; letter-spacing: .17em; text-transform: uppercase; }
.display { margin: 0; max-width: 920px; font-size: clamp(3rem, 7.5vw, 7.25rem); line-height: .92; letter-spacing: -.055em; font-weight: 640; }
.display em { color: var(--accent); font-style: normal; }
.lead { max-width: 660px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); }
.kicker { color: var(--muted); font-size: 13px; }

.hero { min-height: calc(100vh - 78px); min-height: calc(100svh - 78px); display: grid; align-items: center; padding: 54px 0 76px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: clamp(36px, 7vw, 94px); align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy .lead { margin: 30px 0 34px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 0 20px; border: 1px solid var(--line); background: transparent; color: var(--cream); font-size: 13px; font-weight: 680; cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.button::after { content: "→"; font-size: 17px; font-weight: 400; }
.button:hover { border-color: var(--cream); transform: translateY(-2px); }
.button--primary { border-color: var(--accent); background: var(--accent); color: #111820; }
.button--primary:hover { border-color: #95a0a8; background: #95a0a8; }
.button--small { min-height: 42px; padding-inline: 16px; }

.hero-stage { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-stage::before { content: ""; position: absolute; width: 115%; height: 82%; background: rgba(255,255,255,.035); clip-path: polygon(29% 0, 100% 0, 76% 100%, 0 100%); transform: translate(3%, -2%); }
.stage-card { width: min(100%, 560px); aspect-ratio: 16 / 10; position: relative; padding: clamp(24px, 4vw, 48px); overflow: hidden; border: 1px solid var(--line); background: var(--ink); box-shadow: var(--shadow); transform: perspective(1200px) rotateY(-5deg) rotateX(2deg); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.hero-stage:hover .stage-card { transform: perspective(1200px) rotateY(-1deg) rotateX(0); }
.stage-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 0 48%, rgba(255,255,255,.055) 48% 71%, transparent 71%); }
.stage-top { position: relative; display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.stage-orbit { position: absolute; right: 11%; top: 13%; width: 78px; height: 78px; border: 2px solid var(--accent); border-radius: 52% 48% 46% 54%; transform: rotate(22deg); animation: orbit 9s ease-in-out infinite alternate; }
.stage-orbit::after { content: ""; position: absolute; left: 50%; bottom: -18px; width: 2px; height: 16px; background: var(--accent); }
.stage-message { position: absolute; left: 9%; bottom: 15%; max-width: 72%; font-size: clamp(1.85rem, 4vw, 4.2rem); line-height: .94; letter-spacing: -.04em; font-weight: 620; }
.stage-message span { display: block; color: var(--accent); }
.stage-number { position: absolute; right: 7%; bottom: 7%; color: var(--muted); font-size: 11px; letter-spacing: .15em; }
@keyframes orbit { to { border-radius: 45% 55% 52% 48%; transform: rotate(-10deg) translateY(8px); } }

.page-rail { position: fixed; left: 22px; top: 50%; z-index: 10; display: grid; gap: 13px; transform: translateY(-50%); }
.page-rail a { width: 20px; color: #76808a; font-size: 9px; transition: color .2s ease; }
.page-rail a.active, .page-rail a:hover { color: var(--cream); }
.page-rail a.active::after { content: ""; display: inline-block; width: 18px; height: 1px; margin-left: 7px; vertical-align: middle; background: var(--accent); }

.section { padding: clamp(84px, 11vw, 150px) 0; border-top: 1px solid var(--soft-line); }
.section--deep { background: var(--ink); }
.section-head { display: grid; grid-template-columns: .38fr 1fr; gap: 40px; margin-bottom: clamp(40px, 7vw, 76px); }
.section-title { margin: 0; max-width: 820px; font-size: clamp(2.15rem, 5vw, 4.8rem); line-height: 1; letter-spacing: -.045em; font-weight: 580; }
.section-copy { max-width: 660px; color: var(--muted); }

.direction-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.direction-card { min-height: 430px; display: flex; flex-direction: column; padding: clamp(24px, 3.2vw, 42px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; transition: background .25s ease; }
.direction-card:hover { background: var(--panel); }
.direction-card::before { content: attr(data-index); position: absolute; right: 22px; top: 18px; color: rgba(243,234,220,.16); font-size: 66px; font-weight: 300; letter-spacing: -.07em; }
.direction-card h3 { position: relative; margin: auto 0 14px; font-size: clamp(1.75rem, 3vw, 2.8rem); line-height: 1; letter-spacing: -.035em; font-weight: 560; }
.direction-card p { max-width: 31ch; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 14px; color: var(--cream); font-size: 13px; font-weight: 680; }
.text-link::after { content: "→"; color: var(--accent); font-size: 17px; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(5px); }
.card-line { position: absolute; inset: 24px auto auto 24px; width: 42%; height: 3px; background: var(--accent); transform-origin: left; transform: scaleX(.25); transition: transform .35s ease; }
.direction-card:hover .card-line { transform: scaleX(1); }

.chooser { display: grid; grid-template-columns: .7fr 1.3fr; border: 1px solid var(--line); background: var(--panel); }
.chooser-tabs { padding: clamp(24px, 4vw, 50px); border-right: 1px solid var(--line); }
.chooser-tabs h3 { margin: 0 0 32px; font-size: 1.4rem; font-weight: 540; }
.chooser-tab { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 0; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--muted); text-align: left; cursor: pointer; transition: color .2s ease; }
.chooser-tab[aria-selected="true"], .chooser-tab:hover { color: var(--cream); }
.chooser-tab[aria-selected="true"]::after { content: "●"; color: var(--accent); font-size: 10px; }
.chooser-panel { min-height: 430px; padding: clamp(30px, 5vw, 66px); display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; }
.chooser-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(128deg, transparent 0 57%, rgba(255,255,255,.035) 57% 76%, transparent 76%); }
.chooser-panel > * { position: relative; }
.chooser-panel h3 { margin: 12px 0 18px; max-width: 680px; font-size: clamp(2rem, 4.2vw, 4rem); line-height: 1; letter-spacing: -.04em; font-weight: 560; }
.chooser-panel p { max-width: 600px; color: var(--muted); }
.meta-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 28px; padding: 0; list-style: none; }
.meta-list li { padding: 7px 10px; border: 1px solid var(--line); color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }

.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--line); }
.step { min-height: 280px; padding: 28px 24px; border-right: 1px solid var(--line); }
.step:last-child { border-right: 0; }
.step-no { color: var(--accent); font-size: 11px; letter-spacing: .14em; }
.step h3 { margin: 76px 0 12px; font-size: 1.25rem; font-weight: 570; }
.step p { color: var(--muted); font-size: 14px; }

.collection { display: grid; grid-template-columns: .85fr 1.15fr; align-items: stretch; border: 1px solid var(--line); }
.collection-copy { display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(30px, 5vw, 66px); }
.collection-copy h3 { margin: 12px 0 18px; font-size: clamp(2rem, 4vw, 4rem); line-height: 1; letter-spacing: -.04em; font-weight: 560; }
.collection-copy p { color: var(--muted); }
.collection-visual { min-height: 430px; position: relative; overflow: hidden; background: var(--ink); }
.collection-visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.04); transition: transform .7s ease, filter .5s ease; }
.collection:hover img { transform: scale(1.025); filter: saturate(.92) contrast(1.04); }
.collection-visual::after { content: "Client collection / 01"; position: absolute; right: 18px; bottom: 18px; padding: 8px 10px; background: rgba(16,24,33,.9); color: var(--cream); font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }

.page-hero { padding: clamp(92px, 13vw, 170px) 0 90px; border-bottom: 1px solid var(--line); }
.page-hero .display { max-width: 1050px; }
.page-hero .lead { margin: 32px 0 0; }
.breadcrumbs { display: flex; gap: 10px; margin-bottom: 46px; color: var(--muted); font-size: 12px; }
.breadcrumbs a:hover { color: var(--cream); }
.breadcrumbs span::before { content: "/"; margin-right: 10px; color: #66717b; }

.service-list { border-top: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 80px .75fr 1.15fr auto; gap: 26px; align-items: start; padding: 30px 0; border-bottom: 1px solid var(--line); }
.service-row .num { color: var(--accent); font-size: 11px; }
.service-row h3 { margin: 0; font-size: clamp(1.35rem, 2.7vw, 2.2rem); line-height: 1.12; font-weight: 560; }
.service-row p { margin: 0; color: var(--muted); }
.service-row .tag { white-space: nowrap; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature { min-height: 300px; padding: clamp(28px, 4vw, 50px); background: var(--bg); }
.feature svg { width: 34px; height: 34px; color: var(--accent); }
.feature h3 { margin: 62px 0 12px; font-size: 1.45rem; font-weight: 560; }
.feature p { color: var(--muted); }

.configurator { display: grid; grid-template-columns: 1fr .72fr; border: 1px solid var(--line); }
.config-form { padding: clamp(28px, 5vw, 62px); }
.field-group { margin-bottom: 34px; }
.field-group legend { margin-bottom: 14px; padding: 0; font-size: 13px; font-weight: 650; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { min-height: 42px; display: inline-flex; align-items: center; padding: 0 13px; border: 1px solid var(--line); color: var(--muted); font-size: 12px; cursor: pointer; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.choice input:checked + span { border-color: var(--accent); background: rgba(132,145,155,.12); color: var(--cream); }
.choice input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }
.result-card { min-height: 520px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(28px, 5vw, 58px); background: var(--ink); position: relative; overflow: hidden; }
.result-card::before { content: ""; position: absolute; width: 220px; height: 220px; right: -90px; top: -65px; border: 38px solid var(--accent); border-radius: 50%; opacity: .9; }
.result-card > * { position: relative; }
.result-card h3 { margin: 12px 0 16px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -.04em; font-weight: 560; }
.result-card p { color: var(--muted); }

.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.case-card { border: 1px solid var(--line); background: var(--ink); overflow: hidden; }
.case-image { aspect-ratio: 16 / 10; overflow: hidden; background: #0d141b; }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card:hover .case-image img { transform: scale(1.025); }
.case-body { padding: 24px; }
.case-body h3 { margin: 10px 0 8px; font-size: 1.45rem; line-height: 1.1; font-weight: 560; }
.case-body p { color: var(--muted); font-size: 14px; }
.section--case-feature { background: linear-gradient(180deg, rgba(255,255,255,.025), transparent 58%); }
.case-accent-blue { --case-blue: #0071b3; --case-cyan: #04b3db; --case-deep: #052d42; --case-paper: #eaf2f5; --accent: #04b3db; --accent-dark: #0071b3; }
.transformation-card { overflow: hidden; border: 1px solid var(--line); background: var(--ink); box-shadow: var(--shadow); }
.transform-preview { min-height: 430px; display: grid; grid-template-columns: 1fr 1fr; }
.transform-side { min-width: 0; margin: 0; position: relative; overflow: hidden; background: #0d141b; }
.transform-side:first-child { border-right: 1px solid rgba(255,255,255,.18); }
.transform-side img { width: 100%; height: 100%; min-height: 430px; object-fit: cover; transition: transform .7s ease, filter .4s ease; }
.transform-before img { object-position: center; filter: saturate(.55) brightness(.72); }
.transform-after img { object-position: center 32%; filter: saturate(.88) brightness(.58) contrast(1.08); }
.transformation-card:hover .transform-side img { transform: scale(1.018); }
.transform-side figcaption { position: absolute; inset: 20px auto auto 20px; display: grid; gap: 3px; padding: 10px 12px; background: rgba(16,24,33,.9); }
.transform-side figcaption span, .transform-after__overlay > span { color: var(--case-cyan); font-size: 11px; font-weight: 760; letter-spacing: .14em; text-transform: uppercase; }
.transform-side figcaption small { color: var(--muted); font-size: 10px; }
.transform-after__overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(24px, 4vw, 52px); background: linear-gradient(180deg, transparent 22%, rgba(5,45,66,.18) 52%, rgba(5,45,66,.92) 100%); }
.transform-after__overlay strong { max-width: 12ch; margin: 10px 0 14px; color: #f2f7f8; font-size: clamp(2rem, 4vw, 4.7rem); line-height: .9; letter-spacing: -.055em; font-weight: 630; }
.transform-after__overlay small { color: #b7dce7; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.transform-copy { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; padding: clamp(28px, 4vw, 52px); }
.transform-copy h3 { margin: 10px 0 14px; font-size: clamp(1.8rem, 3vw, 3.15rem); line-height: 1; letter-spacing: -.035em; font-weight: 570; }
.transform-copy p:not(.eyebrow) { max-width: 720px; color: var(--muted); }
.case-facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.case-facts li { padding: 7px 10px; border: 1px solid var(--line); color: var(--muted); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.case-actions { min-width: 190px; display: grid; gap: 8px; justify-items: start; }

.case-hero { padding-bottom: clamp(68px, 8vw, 104px); }
.case-hero .display { max-width: 1100px; }
.case-intro { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .55fr); gap: 40px; align-items: end; margin-top: 46px; }
.case-intro .lead { margin: 0; }
.case-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.case-meta div { padding: 18px; background: var(--panel); }
.case-meta small { display: block; color: var(--muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.case-meta strong { display: block; margin-top: 4px; font-size: 13px; font-weight: 650; }
.comparison { border: 1px solid var(--line); background: var(--ink); }
.comparison-tabs { display: grid; grid-template-columns: repeat(2, 1fr); border-bottom: 1px solid var(--line); }
.comparison-tab { min-height: 64px; border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; transition: background .2s ease, color .2s ease; }
.comparison-tab:last-child { border-right: 0; }
.comparison-tab:hover, .comparison-tab[aria-selected="true"] { color: var(--cream); background: rgba(132,145,155,.1); }
.comparison-tab[aria-selected="true"] { box-shadow: inset 0 -2px 0 var(--case-cyan); }
.comparison-view[hidden] { display: none !important; }
.comparison-view { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(300px, .72fr); min-height: 560px; }
.comparison-media { min-width: 0; min-height: 560px; padding: clamp(18px, 3vw, 38px); display: grid; place-items: center; position: relative; overflow: hidden; background: #111a22; }
.comparison-media img { width: 100%; max-height: 650px; object-fit: contain; box-shadow: 0 22px 60px rgba(0,0,0,.34); }
.comparison-media--after { padding: 0; background: var(--case-deep); }
.comparison-media--after img { width: 100%; height: 100%; max-height: none; object-fit: cover; object-position: center 30%; filter: brightness(.57) saturate(.9); box-shadow: none; }
.after-mock { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(28px, 5vw, 66px); background: linear-gradient(180deg, transparent 25%, rgba(5,45,66,.2) 50%, rgba(5,45,66,.96)); }
.after-mock .eyebrow { color: var(--case-cyan); }
.after-mock strong { display: block; max-width: 11ch; margin-top: 12px; font-size: clamp(2.5rem, 6vw, 6.3rem); line-height: .86; letter-spacing: -.06em; font-weight: 630; }
.comparison-copy { display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(28px, 4vw, 48px); border-left: 1px solid var(--line); }
.comparison-copy h3 { margin: 10px 0 14px; font-size: clamp(1.7rem, 3vw, 2.75rem); line-height: 1; font-weight: 570; }
.comparison-copy p { color: var(--muted); }
.comparison-copy .actions { margin-top: 22px; }
.case-metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.case-metric { min-height: 190px; display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-metric strong { color: var(--cream); font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -.05em; font-weight: 560; }
.case-metric span { margin-top: 12px; color: var(--muted); font-size: 12px; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

.cta-band { padding: clamp(90px, 13vw, 170px) 0; background: var(--cream); color: var(--ink); }
.cta-band .eyebrow { color: var(--accent-dark); }
.cta-band .section-title { max-width: 950px; }
.cta-band p { max-width: 600px; margin: 24px 0 30px; color: #5b6268; }
.cta-band .button { border-color: var(--ink); color: var(--ink); }
.cta-band .button--primary { border-color: var(--accent); color: var(--ink); }

.site-footer { padding: 34px 0 44px; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; align-items: flex-end; }
.footer-grid p { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 12px; }
.footer-links a:hover { color: var(--cream); }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .page-rail { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stage { min-height: 400px; }
  .stage-card { max-width: 660px; }
  .direction-grid { grid-template-columns: 1fr; }
  .direction-card { min-height: 300px; }
  .chooser, .collection, .configurator, .transform-copy, .case-intro { grid-template-columns: 1fr; }
  .chooser-tabs { border-right: 0; border-bottom: 1px solid var(--line); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2) { border-right: 0; }
  .step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .service-row { grid-template-columns: 54px .8fr 1.2fr; }
  .service-row .tag { display: none; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card { display: grid; grid-template-columns: 1fr 1fr; }
  .case-actions { min-width: 0; }
  .comparison-view { grid-template-columns: 1fr; }
  .comparison-copy { min-height: 320px; border-left: 0; border-top: 1px solid var(--line); }
  .case-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 66px; }
  .brand small { display: none; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; left: 0; right: 0; top: 66px; display: none; padding: 20px; border-bottom: 1px solid var(--line); background: var(--ink); }
  .nav-links.is-open { display: grid; gap: 0; }
  .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--soft-line); }
  .hero { min-height: auto; padding: 74px 0 88px; }
  .hero-grid { gap: 58px; }
  .display { font-size: clamp(2.65rem, 14vw, 4.5rem); }
  .hero-stage { min-height: 300px; }
  .stage-card { transform: none; }
  .stage-message { font-size: clamp(1.6rem, 9vw, 2.9rem); }
  .stage-orbit { width: 56px; height: 56px; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .direction-card { min-height: 265px; }
  .chooser-panel { min-height: 390px; }
  .process-grid { grid-template-columns: 1fr; }
  .step { min-height: 230px; border-right: 0; border-bottom: 1px solid var(--line); }
  .step h3 { margin-top: 52px; }
  .collection-visual { min-height: 280px; }
  .service-row { grid-template-columns: 40px 1fr; gap: 18px; }
  .service-row p { grid-column: 2; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: 260px; }
  .feature h3 { margin-top: 46px; }
  .case-card { display: block; }
  .transform-preview { grid-template-columns: 1fr; }
  .transform-side:first-child { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .transform-side img { min-height: 330px; }
  .transform-after__overlay strong { font-size: clamp(2.15rem, 11vw, 3.8rem); }
  .comparison-view, .comparison-media { min-height: 0; }
  .comparison-media { min-height: 330px; }
  .comparison-media--after { min-height: 470px; }
  .case-metrics { grid-template-columns: 1fr; }
  .case-metric { min-height: 150px; }
  .footer-grid { display: grid; align-items: start; }
}

@media (max-width: 420px) {
  .display { font-size: 2.55rem; }
  .page-hero .display { font-size: 2.15rem; overflow-wrap: anywhere; }
  .section-title { font-size: 2.05rem; }
  .actions .button { width: 100%; }
  .stage-card { padding: 20px; }
  .stage-message { left: 7%; bottom: 13%; }
  .chooser-tabs, .chooser-panel, .collection-copy, .config-form, .result-card { padding: 24px; }
  .choice span { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}