:root {
  color-scheme: dark;
  --ink: #f5f8ff;
  --muted: #9eabc1;
  --muted-strong: #c4cddd;
  --navy-950: #030712;
  --navy-900: #06101f;
  --navy-850: #091426;
  --navy-800: #0c1a31;
  --line: rgba(151, 181, 227, 0.16);
  --line-strong: rgba(151, 181, 227, 0.28);
  --blue: #4e8cff;
  --blue-strong: #2367e8;
  --cyan: #70d8ff;
  --glow: rgba(52, 121, 255, 0.26);
  --radius: 28px;
  --container: 1240px;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--navy-950); }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 70% 8%, rgba(32, 104, 224, 0.16), transparent 30rem),
    var(--navy-950);
  color: var(--ink);
  caret-color: transparent;
  cursor: default;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button, a { cursor: pointer; -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
input, textarea, [contenteditable="true"] { caret-color: auto; cursor: text; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 200; padding: 10px 16px; border-radius: 10px; background: white; color: #06101f; }
.skip-link:focus { top: -100px; }
.skip-link:focus-visible { top: 16px; }

.site-header {
  position: fixed;
  z-index: 100;
  top: 20px;
  left: 50%;
  width: min(calc(100% - 32px), 1180px);
  transform: translateX(-50%);
}
.nav-shell {
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: 28px;
  padding: 8px 10px 8px 18px;
  border: 1px solid rgba(188, 211, 255, 0.16);
  border-radius: 22px;
  background: rgba(5, 13, 27, 0.72);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(22px);
}
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 8px; }
.brand img { width: 48px; height: auto; flex: 0 0 auto; }
.brand-name {
  display: inline-block;
  width: 166px;
  height: 25px;
  overflow: hidden;
  background: url("/assets/brand-wordmark.png?v=20260831-brand2") center / contain no-repeat;
  color: transparent;
  font-size: 0;
  line-height: 0;
  white-space: nowrap;
  -webkit-text-fill-color: transparent;
}
.brand-name span {
  background: none;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.main-nav { display: flex; align-items: center; justify-content: center; gap: 28px; margin-left: auto; }
.main-nav a { position: relative; color: #d7deeb; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.01em; }
.main-nav a::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 1px; transform: scaleX(0); background: var(--blue); content: ""; transition: transform .25s ease; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: white; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.language-switch { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.035); }
.language-switch button { min-width: 36px; border: 0; border-radius: 9px; padding: 6px 8px; background: transparent; color: #aab5c8; cursor: pointer; font-family: var(--font-mono); font-size: 11px; }
.language-switch button[aria-pressed="true"] { background: rgba(78, 140, 255, .18); color: white; }
.nav-cta { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid rgba(98, 155, 255, .36); border-radius: 14px; background: linear-gradient(135deg, #f7faff, #cfe0ff); color: #071327; font-family: var(--font-mono); font-size: 12px; font-weight: 600; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.04); color: white; cursor: pointer; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { display: block; width: 18px; height: 1px; background: currentColor; content: ""; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle span { margin: 4px 0; }
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-5px) rotate(-45deg); }

.hero { position: relative; min-height: 820px; padding: 170px 0 90px; overflow: hidden; }
.hero::before { position: absolute; top: -340px; left: 46%; width: 760px; height: 760px; border: 1px solid rgba(103,161,255,.12); border-radius: 50%; box-shadow: 0 0 160px rgba(30,91,204,.14) inset; content: ""; }
.hero::after { position: absolute; top: 220px; right: -180px; width: 520px; height: 520px; border: 1px solid rgba(112,216,255,.1); border-radius: 50%; content: ""; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr); align-items: center; gap: clamp(44px, 6vw, 94px); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px; color: #9db4d8; font-family: var(--font-mono); font-size: 12px; letter-spacing: .07em; text-transform: uppercase; }
.eyebrow::before { width: 34px; height: 1px; background: linear-gradient(90deg, var(--blue), var(--cyan)); content: ""; }
.hero h1 { max-width: 760px; margin: 0; font-family: var(--font-display); font-size: clamp(54px, 7vw, 102px); font-weight: 450; letter-spacing: -.058em; line-height: .95; }
.hero h1 em { color: #a8c6ff; font-family: "Instrument Serif", Georgia, serif; font-weight: 400; }
.hero-lead { max-width: 660px; margin: 30px 0 0; color: var(--muted-strong); font-size: clamp(17px, 1.45vw, 20px); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 12px; padding: 0 24px; border: 1px solid var(--line-strong); border-radius: 16px; font-family: var(--font-mono); font-size: 12px; font-weight: 500; transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.button:hover { transform: translateY(-2px); border-color: rgba(117,173,255,.56); }
.button-primary { border-color: rgba(103,158,255,.42); background: linear-gradient(135deg, #f7faff, #cbdcff); color: #071327; }
.button-secondary { background: rgba(255,255,255,.035); color: #eaf0fb; }
.button .arrow { font-size: 18px; line-height: 1; }
.hero-note { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 46px; padding-top: 24px; border-top: 1px solid var(--line); }
.hero-note strong { display: block; margin-bottom: 3px; color: #dce7fa; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; }
.hero-note span { color: #7f8da5; font-size: 13px; }
.hero-visual { position: relative; }
.hero-media { position: relative; min-height: 590px; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 38px; background: var(--navy-850); box-shadow: 0 42px 100px rgba(0,0,0,.38), 0 0 80px rgba(32,104,224,.12); }
.hero-media::after { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(3,7,18,.82) 100%); content: ""; pointer-events: none; }
.hero-media video { width: 100%; height: 590px; object-fit: cover; filter: saturate(.72) hue-rotate(8deg) contrast(1.04); }
.media-badge { position: absolute; z-index: 2; top: 22px; left: 22px; display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid rgba(255,255,255,.17); border-radius: 12px; background: rgba(4,10,21,.64); color: #dfe9f9; backdrop-filter: blur(12px); font-family: var(--font-mono); font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
.media-badge i { width: 7px; height: 7px; border-radius: 50%; background: #65b9ff; box-shadow: 0 0 16px #65b9ff; }
.media-caption { position: absolute; z-index: 2; right: 26px; bottom: 26px; left: 26px; }
.media-caption small { display: block; margin-bottom: 7px; color: #8e9cb3; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.media-caption p { max-width: 430px; margin: 0; color: #edf3ff; font-size: 17px; line-height: 1.45; }
.orbit-card { position: absolute; z-index: 3; right: -34px; bottom: 94px; width: 156px; padding: 18px; border: 1px solid rgba(119,169,255,.24); border-radius: 20px; background: rgba(7,18,36,.86); box-shadow: 0 20px 50px rgba(0,0,0,.3); backdrop-filter: blur(16px); }
.orbit-card .orbit { position: relative; width: 46px; height: 46px; margin-bottom: 20px; border: 1px solid rgba(112,216,255,.4); border-radius: 50%; }
.orbit-card .orbit::before { position: absolute; top: 50%; left: 50%; width: 7px; height: 7px; transform: translate(-50%,-50%); border-radius: 50%; background: var(--blue); box-shadow: 0 0 18px var(--blue); content: ""; }
.orbit-card .orbit::after { position: absolute; top: 3px; right: 6px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); content: ""; }
.orbit-card strong { display: block; font-family: var(--font-display); font-size: 15px; font-weight: 500; line-height: 1.3; }
.orbit-card span { color: #7e8da5; font-size: 11px; }

.discipline-rail { border-block: 1px solid var(--line); background: rgba(7,16,31,.68); }
.rail-list { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 28px; overflow: hidden; }
.rail-list span { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 18px; color: #8d9ab1; font-family: var(--font-mono); font-size: 11px; letter-spacing: .055em; text-transform: uppercase; }
.rail-list span::after { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); content: ""; }
.rail-list span:last-child::after { display: none; }

.section { position: relative; padding: 128px 0; }
.section-header { display: grid; grid-template-columns: minmax(0, .8fr) minmax(340px, .5fr); align-items: end; justify-content: space-between; gap: 54px; margin-bottom: 62px; }
.section h2 { max-width: 780px; margin: 0; font-family: var(--font-display); font-size: clamp(40px, 5vw, 70px); font-weight: 450; letter-spacing: -.045em; line-height: 1.03; }
.section h2 em { color: #9fc1ff; font-family: "Instrument Serif", Georgia, serif; font-weight: 400; }
.section-intro { margin: 0; color: var(--muted); font-size: 17px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-card { min-height: 350px; padding: 34px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(155deg, rgba(15,32,58,.58), rgba(5,12,24,.28)); transition: background .3s ease, transform .3s ease; }
.capability-card:hover { background: linear-gradient(155deg, rgba(22,49,88,.74), rgba(6,16,33,.5)); transform: translateY(-4px); }
.card-index { display: flex; align-items: center; justify-content: space-between; margin-bottom: 78px; color: #6f809a; font-family: var(--font-mono); font-size: 11px; }
.card-index i { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; }
.capability-card h3 { margin: 0 0 18px; font-family: var(--font-display); font-size: 24px; font-weight: 500; letter-spacing: -.02em; }
.capability-card p { margin: 0; color: #8e9cb2; font-size: 14px; }

.section-alt { background: linear-gradient(180deg, rgba(11,25,47,.62), rgba(4,9,19,.2)); border-block: 1px solid var(--line); }
.section-action { display: flex; align-items: center; justify-content: center; margin-top: 46px; }
.project-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 18px; }
.project-card { position: relative; grid-column: span 4; min-height: 530px; overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: var(--navy-850); }
.project-card:first-child { grid-column: span 5; }
.project-card:nth-child(2) { grid-column: span 7; }
.project-card:nth-child(n+3) { grid-column: span 6; min-height: 470px; }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.68) contrast(1.08); transition: transform .7s cubic-bezier(.2,.75,.2,1), filter .35s ease; }
.project-card::after { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(3,8,18,.08) 20%, rgba(3,8,18,.94) 92%); content: ""; }
.project-card:hover img { transform: scale(1.035); filter: saturate(.85) contrast(1.06); }
.project-content { position: absolute; z-index: 2; right: 28px; bottom: 28px; left: 28px; }
.project-tag { display: inline-block; margin-bottom: 12px; padding: 6px 9px; border: 1px solid rgba(172,203,255,.18); border-radius: 8px; background: rgba(4,10,22,.54); color: #b8c8e2; backdrop-filter: blur(10px); font-family: var(--font-mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase; }
.project-content h3 { margin: 0 0 10px; font-family: var(--font-display); font-size: clamp(25px,3vw,38px); font-weight: 500; letter-spacing: -.03em; }
.project-content p { max-width: 610px; margin: 0; color: #b4bfd0; font-size: 14px; }

.loop-wrap { display: grid; grid-template-columns: minmax(0,.75fr) minmax(480px,1.25fr); align-items: center; gap: clamp(50px,8vw,110px); }
.loop-copy h2 { margin-bottom: 28px; }
.loop-copy p { max-width: 540px; margin: 0 0 28px; color: var(--muted); font-size: 17px; }
.loop-visual { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 56px; border: 1px solid var(--line); border-radius: 50%; aspect-ratio: 1; background: radial-gradient(circle, rgba(33,101,220,.18), rgba(7,16,31,.42) 52%, rgba(4,9,18,.2) 70%); }
.loop-visual::before, .loop-visual::after { position: absolute; inset: 12%; border: 1px solid rgba(103,156,248,.17); border-radius: 50%; content: ""; }
.loop-visual::after { inset: 28%; background: rgba(36,102,217,.08); }
.loop-step { position: relative; z-index: 2; display: flex; min-height: 150px; align-items: center; justify-content: center; flex-direction: column; padding: 18px; text-align: center; }
.loop-step strong { color: #e8f0ff; font-family: var(--font-display); font-size: 20px; font-weight: 500; }
.loop-step span { margin-top: 5px; color: #7889a4; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.loop-step:nth-child(1), .loop-step:nth-child(4) { transform: translateX(-10px); }
.loop-step:nth-child(2), .loop-step:nth-child(3) { transform: translateX(10px); }
.loop-center { position: absolute; z-index: 3; top: 50%; left: 50%; display: flex; width: 104px; height: 104px; align-items: center; justify-content: center; transform: translate(-50%,-50%); border: 1px solid rgba(118,172,255,.3); border-radius: 50%; background: #07152c; box-shadow: 0 0 50px rgba(38,105,225,.25); font-family: var(--font-mono); font-size: 10px; letter-spacing: .05em; text-align: center; text-transform: uppercase; }

.cta-panel { position: relative; overflow: hidden; padding: clamp(48px,7vw,88px); border: 1px solid var(--line-strong); border-radius: 34px; background: linear-gradient(135deg, #0b2148, #061225 58%, #081a36); }
.cta-panel::before { position: absolute; top: -220px; right: -160px; width: 520px; height: 520px; border: 1px solid rgba(118,176,255,.17); border-radius: 50%; box-shadow: 0 0 90px rgba(52,121,255,.18) inset; content: ""; }
.cta-panel .eyebrow, .cta-panel h2, .cta-panel p, .cta-panel .hero-actions { position: relative; z-index: 1; }
.cta-panel h2 { max-width: 850px; }
.cta-panel p { max-width: 640px; margin: 24px 0 0; color: #adbad0; font-size: 17px; }

.page-hero { position: relative; padding: 190px 0 96px; overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::before { position: absolute; top: -370px; right: 4%; width: 740px; height: 740px; border: 1px solid rgba(94,151,255,.13); border-radius: 50%; box-shadow: 0 0 150px rgba(38,105,225,.13) inset; content: ""; }
.page-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,.45fr); align-items: end; gap: 60px; }
.page-hero h1 { max-width: 880px; margin: 0; font-family: var(--font-display); font-size: clamp(54px,7vw,96px); font-weight: 450; letter-spacing: -.055em; line-height: .98; }
.page-hero h1 em { color: #a8c6ff; font-family: "Instrument Serif",Georgia,serif; font-weight: 400; }
.page-lead { margin: 0; color: #aab6ca; font-size: clamp(17px,1.5vw,20px); }
.page-kicker { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.page-kicker span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; color: #8290a7; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.content-grid { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 18px; }
.content-card { grid-column: span 4; padding: 34px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(150deg, rgba(14,31,57,.6), rgba(5,12,24,.34)); }
.content-card.wide { grid-column: span 6; }
.content-card.full { grid-column: 1/-1; }
.content-card .card-num { display: block; margin-bottom: 48px; color: #60718c; font-family: var(--font-mono); font-size: 11px; }
.content-card h2, .content-card h3 { margin: 0 0 16px; font-family: var(--font-display); font-size: 26px; font-weight: 500; letter-spacing: -.025em; }
.content-card p { margin: 0; color: #91a0b7; font-size: 15px; }
.content-card ul { display: grid; gap: 10px; margin: 24px 0 0; padding: 0; color: #b8c4d7; list-style: none; font-size: 14px; }
.content-card li { position: relative; padding-left: 18px; }
.content-card li::before { position: absolute; top: .72em; left: 0; width: 6px; height: 1px; background: var(--blue); content: ""; }
.split-feature { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: #071120; }
.split-feature-media { min-height: 560px; }
.split-feature-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.66) contrast(1.08); }
.split-feature-copy { display: flex; justify-content: center; flex-direction: column; padding: clamp(42px,7vw,88px); }
.split-feature-copy h2 { margin: 0 0 24px; font-size: clamp(38px,4.5vw,64px); }
.split-feature-copy p { margin: 0 0 18px; color: #98a6ba; }
.principles { display: grid; gap: 0; border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 84px minmax(210px,.65fr) 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.principle > span { color: #657691; font-family: var(--font-mono); font-size: 11px; }
.principle h3 { margin: 0; font-family: var(--font-display); font-size: 22px; font-weight: 500; }
.principle p { margin: 0; color: #8796ad; }
.legal-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 32px; }
.legal-fact { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.02); }
.legal-fact small { display: block; color: #8fa0b8; font-family: var(--font-mono); font-size: 9px; letter-spacing: .05em; text-transform: uppercase; }
.legal-fact strong { display: block; margin-top: 5px; color: #dce6f7; font-weight: 500; }
.contact-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.contact-card { min-height: 230px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(150deg, rgba(16,36,67,.65), rgba(5,12,24,.35)); }
.contact-card small { color: #72839e; font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.contact-card h2 { margin: 48px 0 8px; font-size: 23px; }
.contact-card a { color: #a9c8ff; overflow-wrap: anywhere; }
.contact-card p { margin: 6px 0 0; color: #8291a8; font-size: 14px; }
.notice { padding: 20px 22px; border-left: 2px solid var(--blue); background: rgba(22,53,101,.25); color: #a5b3c8; font-size: 14px; }
.split-feature-copy .notice { margin-top: 28px; }
.space-top { margin-top: 32px; }
.privacy-copy { max-width: 820px; }
.privacy-copy h2 { margin: 52px 0 14px; font-family: var(--font-display); font-size: 31px; font-weight: 500; }
.privacy-copy h2:first-child { margin-top: 0; }
.privacy-copy p, .privacy-copy li { color: #a1aec1; }
.privacy-copy a { color: #a9c8ff; text-decoration: underline; text-underline-offset: 3px; }

.footer-main { display: grid; grid-template-columns: 1.45fr .7fr .7fr 1fr; gap: 42px; padding-bottom: 46px; }
.footer-brand p { max-width: 360px; margin: 18px 0 0; color: #7e8ca2; font-size: 14px; }
.footer-column h2 { margin: 0 0 16px; color: #71809a; font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; }
.footer-column a, .footer-column address, .footer-column span { display: block; margin: 8px 0; color: #a8b4c7; font-size: 13px; font-style: normal; }
.footer-column a:hover { color: white; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid var(--line); }
.footer-bottom p { margin: 0; color: #8292a9; font-size: 11px; }

.site-footer { padding: 48px 0; border-top: 1px solid var(--line); background: #030711; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-row p { margin: 0; color: #6f7d94; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; font-family: var(--font-mono); font-size: 11px; color: #9ba8bc; }
.footer-links a:hover { color: white; }

[data-reveal] { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .main-nav { gap: 18px; }
  .main-nav a { font-size: 11px; }
  .nav-cta { display: none; }
  .hero-grid { grid-template-columns: minmax(0,1fr) minmax(340px,.8fr); gap: 40px; }
  .orbit-card { right: -10px; }
  .capability-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-column:last-child { grid-column: 1/-1; }
}

@media (max-width: 860px) {
  .site-header { top: 12px; width: min(calc(100% - 24px), 720px); }
  .nav-shell { flex-wrap: wrap; min-height: 60px; padding: 7px 8px 7px 14px; border-radius: 20px; }
  .brand img { width: 42px; height: auto; }
  .brand-name { width: 128px; height: 19px; }
  .main-nav { order: 4; display: none; width: 100%; align-items: stretch; gap: 0; padding: 8px 6px 12px; border-top: 1px solid var(--line); }
  .main-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; }
  .main-nav a { padding: 13px 12px; border-radius: 10px; }
  .main-nav a:hover { background: rgba(255,255,255,.04); }
  .main-nav a::after { display: none; }
  .nav-actions { margin-left: auto; }
  .menu-toggle { display: inline-flex; flex-direction: column; }
  .hero { min-height: 0; padding: 146px 0 78px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 710px; }
  .hero h1 { font-size: clamp(56px, 11vw, 88px); }
  .hero-visual { width: min(100%, 650px); }
  .hero-media, .hero-media video { min-height: 480px; height: 60vw; max-height: 590px; }
  .section { padding: 94px 0; }
  .section-header { grid-template-columns: 1fr; gap: 24px; }
  .project-card, .project-card:first-child, .project-card:nth-child(2), .project-card:nth-child(n+3) { grid-column: span 6; min-height: 460px; }
  .loop-wrap { grid-template-columns: 1fr; }
  .loop-visual { width: min(100%,620px); margin-inline: auto; }
  .page-hero { padding: 156px 0 76px; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .content-card, .content-card.wide { grid-column: span 6; }
  .split-feature { grid-template-columns: 1fr; }
  .split-feature-media { min-height: 460px; }
  .principle { grid-template-columns: 56px 1fr; }
  .principle p { grid-column: 2; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .rail-list { justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
  .rail-list::-webkit-scrollbar { display: none; }
}

@media (max-width: 600px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .language-switch button { min-width: 32px; padding-inline: 5px; }
  .main-nav.is-open { grid-template-columns: 1fr; }
  .hero { padding-top: 132px; }
  .hero h1 { font-size: clamp(48px, 15vw, 72px); }
  .hero-lead { font-size: 16px; }
  .hero-note { grid-template-columns: 1fr; gap: 14px; }
  .hero-note div { display: grid; grid-template-columns: 128px 1fr; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .hero-media, .hero-media video { min-height: 420px; height: 115vw; max-height: 540px; }
  .orbit-card { right: 14px; bottom: 88px; width: 140px; }
  .media-caption { right: 20px; bottom: 20px; left: 20px; }
  .media-caption p { padding-right: 126px; font-size: 14px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 290px; }
  .card-index { margin-bottom: 52px; }
  .footer-row { align-items: flex-start; flex-direction: column; }
  .project-card, .project-card:first-child, .project-card:nth-child(2), .project-card:nth-child(n+3) { grid-column: 1/-1; min-height: 430px; }
  .loop-visual { padding: 32px; }
  .loop-step { min-height: 115px; padding: 10px; }
  .loop-step strong { font-size: 16px; }
  .loop-center { width: 82px; height: 82px; font-size: 8px; }
  .content-card, .content-card.wide { grid-column: 1/-1; }
  .content-card { padding: 27px; }
  .split-feature-media { min-height: 380px; }
  .split-feature-copy { padding: 36px 26px; }
  .principle { grid-template-columns: 42px 1fr; gap: 12px; }
  .legal-facts, .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px 20px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-column:last-child { grid-column: 1/-1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 389px) {
  .site-header { top: 8px; width: calc(100% - 16px); }
  .nav-shell { min-height: 52px; flex-wrap: nowrap; gap: 10px; padding: 6px 6px 6px 10px; border-radius: 18px; }
  .brand { gap: 6px; }
  .brand img { width: 34px; }
  .brand-name { width: 112px; height: 16px; }
  .nav-actions { gap: 6px; }
  .language-switch { padding: 2px; border-radius: 10px; }
  .language-switch button { min-width: 29px; padding: 5px 4px; font-size: 10px; }
  .menu-toggle { width: 40px; height: 40px; border-radius: 12px; }
  .hero { padding-top: 118px; }
  .page-hero { padding-top: 132px; }
}

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