@font-face {
  font-family: "LINE Seed TW";
  src: url("./assets/fonts/line-seed-tw-regular-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed TW";
  src: url("./assets/fonts/line-seed-tw-regular-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed TW";
  src: url("./assets/fonts/line-seed-tw-bold-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed TW";
  src: url("./assets/fonts/line-seed-tw-bold-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

/* === Primitive tokens === */
:root {
  --blue-500: #2f6bff;
  --blue-700: #1745c7;
  --cyan-400: #38d9ff;
  --lime-400: #c7ff4a;
  --pink-500: #ff4d79;
  --violet-500: #8b5cf6;
  --navy-950: #050b14;
  --navy-900: #07111d;
  --navy-800: #0d1b2a;
  --slate-600: #526072;
  --slate-300: #b7c3d4;
  --white: #ffffff;
  --cloud: #f4f7fb;
  --ice: #eaf0ff;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --font-display: "LINE Seed TW", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --font-body: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --font-ui: "LINE Seed TW", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --font-mono: "DM Mono", "Noto Sans TC", "SFMono-Regular", Consolas, "Microsoft JhengHei", monospace;
  --shadow-glow: 0 0 60px rgba(56, 217, 255, .2);
  --shadow-card: 0 24px 80px rgba(5, 11, 20, .14);
  --duration-fast: 180ms;
  --duration-normal: 280ms;
  --ease-out: cubic-bezier(.2, .8, .2, 1);
}

/* === Semantic tokens === */
:root {
  --color-bg: var(--cloud);
  --color-surface: var(--white);
  --color-ink: var(--navy-950);
  --color-muted: var(--slate-600);
  --color-primary: var(--blue-500);
  --color-accent: var(--lime-400);
  --color-hot: var(--pink-500);
  --color-line: rgba(7, 17, 29, .14);
  --section-pad: clamp(80px, 10vw, 150px);
  --page-pad: clamp(20px, 5vw, 80px);
  --content-max: 1500px;
  --z-header: 50;
  --z-menu: 40;
}

/* === Component tokens === */
:root {
  --button-radius: var(--radius-pill);
  --button-primary-bg: var(--lime-400);
  --button-primary-fg: var(--navy-950);
  --card-radius: var(--radius-lg);
  --input-ring: var(--cyan-400);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--color-ink); background: var(--color-bg); font-family: var(--font-body); font-size: 1rem; line-height: 1.75; letter-spacing: .012em; font-synthesis: none; text-rendering: optimizeLegibility; }
section[id] { scroll-margin-top: 70px; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
::selection { color: var(--navy-950); background: var(--lime-400); }
:focus-visible { outline: 3px solid var(--cyan-400); outline-offset: 4px; }

.skip-link { position: fixed; top: -70px; left: 16px; z-index: 100; padding: 12px 18px; border-radius: var(--radius-pill); color: var(--navy-950); background: var(--lime-400); font-weight: 700; }
.skip-link:focus { top: 16px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: var(--z-header); display: flex; align-items: center; justify-content: space-between; min-height: 86px; padding: 14px var(--page-pad); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.08); transition: min-height var(--duration-normal), background var(--duration-normal), box-shadow var(--duration-normal); }
.site-header.is-scrolled { min-height: 70px; background: rgba(5, 11, 20, .94); box-shadow: 0 10px 40px rgba(5,11,20,.22); backdrop-filter: blur(18px) saturate(115%); }
.brand { position: relative; z-index: 3; display: inline-flex; align-items: center; gap: 12px; }
.brand-logo { width: clamp(190px, 15.3vw, 220px); height: auto; display: block; }
.brand-symbol { position: relative; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.7); border-radius: 14px; transform: rotate(6deg); transition: transform var(--duration-normal) var(--ease-out), background var(--duration-normal); }
.brand:hover .brand-symbol { transform: rotate(-6deg); background: var(--blue-500); }
.brand-symbol::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--lime-400); box-shadow: 0 0 18px var(--lime-400); }
.brand-symbol i { position: absolute; width: 28px; height: 1px; background: currentColor; transform: rotate(45deg); }
.brand-symbol i + i { transform: rotate(-45deg); }
.brand-name { display: grid; line-height: 1; }
.brand-name strong { font: 700 1.05rem var(--font-display); letter-spacing: .12em; }
.brand-name small { margin-top: 6px; font: 500 .7rem var(--font-mono); letter-spacing: .08em; color: var(--slate-300); }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 44px); font-family: var(--font-ui); font-size: .9rem; font-weight: 600; letter-spacing: .025em; }
.site-nav > a:not(.nav-cta) { position: relative; color: #d7e1ef; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; right: 0; bottom: -7px; left: 0; height: 2px; border-radius: 2px; background: var(--cyan-400); transform: scaleX(0); transform-origin: right; transition: transform var(--duration-normal) var(--ease-out); }
.site-nav > a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { min-height: 46px; display: inline-flex; align-items: center; padding: 0 18px; border-radius: var(--radius-pill); color: var(--navy-950); background: var(--lime-400); box-shadow: 0 0 0 0 rgba(199,255,74,.35); transition: box-shadow var(--duration-normal), background var(--duration-normal); }
.nav-cta:hover { background: var(--white); box-shadow: 0 0 0 8px rgba(199,255,74,.12); }
.nav-cta span, .button span { margin-left: 12px; }
.menu-toggle { display: none; border: 0; color: inherit; background: none; }

.hero { position: relative; min-height: 100svh; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(410px, .72fr); align-items: center; gap: clamp(40px, 6vw, 100px); padding: 140px var(--page-pad) 100px; color: var(--white); background: linear-gradient(116deg, rgba(255,77,121,.1) 0 18%, transparent 18% 58%, rgba(47,107,255,.2) 58% 76%, transparent 76%), linear-gradient(165deg, var(--navy-950) 0 62%, #08172a 62% 100%); }
.hero::before { content: ""; position: absolute; top: -35%; right: -14%; z-index: 0; width: 46vw; height: 175%; border-left: 1px solid rgba(56,217,255,.18); background: linear-gradient(90deg, rgba(47,107,255,.04), rgba(47,107,255,.16)); transform: skewX(-16deg); pointer-events: none; }
.hero-canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; opacity: .72; mix-blend-mode: screen; pointer-events: none; }
.hero-grid { position: absolute; inset: 0; z-index: 0; opacity: .24; background: repeating-linear-gradient(90deg, transparent 0 95px, rgba(255,255,255,.08) 95px 96px), linear-gradient(104deg, transparent 0 48%, rgba(56,217,255,.12) 48% 48.2%, transparent 48.2% 100%); mask-image: linear-gradient(to bottom, #000 0%, transparent 88%); }
.hero-copy, .hero-side, .hero-rail { position: relative; z-index: 2; }
.status-chip { width: fit-content; display: flex; align-items: center; gap: 9px; margin: 0 0 32px; padding: 9px 13px; border: 1px solid rgba(56,217,255,.35); border-radius: var(--radius-pill); color: var(--cyan-400); background: rgba(56,217,255,.07); font: 500 .7rem var(--font-mono); letter-spacing: .1em; }
.status-chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime-400); box-shadow: 0 0 12px var(--lime-400); animation: statusPulse 2s ease-in-out infinite; }
@keyframes statusPulse { 50% { opacity: .4; box-shadow: 0 0 2px var(--lime-400); } }
.kicker, .overline { margin: 0 0 24px; font: 600 .7rem var(--font-mono); letter-spacing: .18em; text-transform: uppercase; }
.kicker { color: var(--slate-300); }
.kicker span { display: inline-block; padding-bottom: 9px; border-bottom: 2px solid var(--pink-500); }
.hero h1 { max-width: 900px; margin: 0; font: 600 clamp(3.8rem, 7.4vw, 8.2rem)/.98 var(--font-display); letter-spacing: -.022em; text-wrap: balance; }
.hero h1 em { display: inline-block; font-style: normal; font-weight: 700; color: transparent; background: linear-gradient(90deg, var(--cyan-400), var(--blue-500) 50%, var(--pink-500)); background-clip: text; -webkit-background-clip: text; transform: rotate(-1deg); transform-origin: left center; }
.rotating-word { display: inline-block; min-width: 2.4em; transition: opacity .18s ease, transform .18s ease; }
.rotating-word.is-changing { opacity: 0; transform: translateY(12px); }
.hero-lead { max-width: 690px; margin: 32px 0; color: #c4d0df; font-size: clamp(1.04rem, 1.4vw, 1.25rem); line-height: 1.9; letter-spacing: .035em; }
.hero-actions { display: flex; align-items: center; gap: 22px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: space-between; min-width: 205px; padding: 0 22px; border: 1px solid transparent; border-radius: var(--button-radius); font-family: var(--font-ui); font-size: .95rem; font-weight: 600; letter-spacing: .035em; transition: color var(--duration-normal), background var(--duration-normal), border-color var(--duration-normal), box-shadow var(--duration-normal), transform var(--duration-fast); }
.button-primary { color: var(--button-primary-fg); background: var(--button-primary-bg); box-shadow: 0 0 30px rgba(199,255,74,.15); }
.button-primary:hover { background: var(--white); box-shadow: 0 0 42px rgba(199,255,74,.3); }
.button-light { color: var(--navy-950); background: var(--white); }
.button-accent { border: 0; color: var(--navy-950); background: var(--lime-400); }
.button:active { transform: scale(.98); }
.text-link { min-height: 48px; display: inline-flex; align-items: center; padding: 0 2px; border-bottom: 1px solid rgba(255,255,255,.48); color: var(--white); font-weight: 600; transition: color var(--duration-fast), border-color var(--duration-fast); }
.text-link:hover { color: var(--cyan-400); border-color: var(--cyan-400); }
.text-link span { margin-left: 20px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 20px 30px; margin-top: 34px; color: #aebbc9; font: 500 .75rem var(--font-ui); letter-spacing: .03em; }
.hero-proof span { display: flex; align-items: center; gap: 8px; }
.hero-proof b { color: var(--pink-500); }
.hero-side { display: grid; gap: 16px; }
.tech-stage { position: relative; min-height: 520px; overflow: hidden; display: grid; grid-template-rows: auto 1fr auto; border: 1px solid rgba(255,255,255,.18); background: linear-gradient(150deg, rgba(14,34,58,.96), rgba(5,13,24,.9)); box-shadow: 0 34px 90px rgba(0,0,0,.38), 0 0 64px rgba(56,217,255,.12); clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%); backdrop-filter: blur(12px); }
.tech-stage::before { content: ""; position: absolute; inset: 0; opacity: .16; background: repeating-linear-gradient(135deg, transparent 0 34px, rgba(255,255,255,.08) 34px 35px); pointer-events: none; }
.stage-top { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 16px; padding: 17px 22px; border-bottom: 1px solid rgba(255,255,255,.14); color: #b8c3d1; background: rgba(5,11,20,.34); font: 500 .7rem var(--font-mono); letter-spacing: .065em; }
.stage-top span { display: flex; align-items: center; gap: 10px; color: var(--lime-400); }
.stage-top span::before { content: ""; width: 18px; height: 4px; background: currentColor; }
.workflow-map { position: relative; z-index: 1; display: grid; grid-template-rows: auto 1fr auto; gap: 22px; padding: 26px 22px 22px; }
.map-intro { display: grid; grid-template-columns: 1fr; gap: 8px; align-items: end; }
.map-intro small { align-self: start; color: var(--cyan-400); font: 500 .7rem/1.5 var(--font-mono); letter-spacing: .075em; }
.map-intro strong { max-width: 420px; color: var(--white); font: 600 clamp(1.7rem, 2.5vw, 2.2rem)/1.18 var(--font-display); letter-spacing: .01em; }
.workflow-lanes { display: grid; align-content: center; gap: 9px; }
.workflow-lane { --lane-color: var(--blue-500); position: relative; overflow: hidden; min-height: 51px; display: grid; grid-template-columns: 38px 96px minmax(110px, 1fr) 62px; align-items: center; padding-right: 14px; border: 1px solid rgba(255,255,255,.1); border-left: 0; color: #dce6f3; background: linear-gradient(90deg, rgba(255,255,255,.09), rgba(255,255,255,.025)); clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 0 100%); }
.workflow-lane::after { content: ""; position: absolute; top: 0; bottom: 0; left: -90px; width: 72px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.13), transparent); transform: skewX(-18deg); animation: laneSweep 5.4s ease-in-out infinite; }
.workflow-lane > b { align-self: stretch; display: grid; place-items: center; color: var(--navy-950); background: var(--lane-color); font: 600 .7rem var(--font-mono); }
.workflow-lane > span { padding-left: 13px; color: var(--white); font: 600 1rem var(--font-display); }
.workflow-lane > small { color: #b1bdcb; font: 500 .7rem/1.45 var(--font-mono); letter-spacing: .015em; }
.workflow-lane > i { width: 100%; height: 7px; display: block; background: linear-gradient(90deg, var(--lane-color) 0 64%, rgba(255,255,255,.12) 64% 100%); clip-path: polygon(0 0, 100% 0, calc(100% - 7px) 100%, 0 100%); animation: laneSignal 2.8s ease-in-out infinite; }
.lane-discover { margin-right: 30px; }.lane-define { --lane-color: var(--cyan-400); margin-left: 18px; }.lane-build { --lane-color: var(--lime-400); margin-right: 44px; }.lane-handover { --lane-color: var(--pink-500); margin-left: 32px; }
.lane-define::after { animation-delay: -.8s; }.lane-build::after { animation-delay: -1.6s; }.lane-handover::after { animation-delay: -2.4s; }
@keyframes laneSweep { 0%, 28% { left: -90px; } 70%, 100% { left: calc(100% + 30px); } }
@keyframes laneSignal { 50% { opacity: .42; transform: scaleX(.78); transform-origin: left; } }
.workflow-output { min-height: 44px; display: grid; grid-template-columns: auto 1fr; align-items: stretch; color: var(--navy-950); background: var(--lime-400); clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%); }
.workflow-output span { display: grid; place-items: center; padding: 0 13px; color: var(--white); background: var(--blue-700); font: 600 .7rem var(--font-mono); letter-spacing: .045em; }
.workflow-output b { align-self: center; padding: 0 14px; font: 600 .88rem var(--font-display); letter-spacing: .04em; }
.stage-metrics { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0 22px 20px; border: 1px solid rgba(255,255,255,.14); }
.stage-metrics span { padding: 14px 10px 12px; border-right: 1px solid rgba(255,255,255,.12); }
.stage-metrics span:last-child { border-right: 0; }
.stage-metrics b { display: block; color: var(--white); font: 700 1.28rem var(--font-display); }
.stage-metrics small { color: #b2bdca; font: 500 .7rem var(--font-mono); letter-spacing: .015em; }
.hero-note { display: flex; align-items: center; gap: 16px; padding: 16px 20px; border: 1px solid rgba(255,255,255,.13); border-radius: var(--radius-md); background: rgba(255,255,255,.06); }
.hero-note span { padding: 5px 8px; border-radius: var(--radius-pill); color: var(--navy-950); background: var(--lime-400); font: 600 .7rem var(--font-mono); }
.hero-note p { margin: 0; color: #bdc9d8; font-size: .84rem; }
.hero-rail { position: absolute; right: 0; bottom: 0; left: 0; overflow: hidden; padding: 17px 0; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); color: #b5c0ce; font: 600 .7rem var(--font-mono); letter-spacing: .075em; }
.rail-track { width: max-content; display: flex; align-items: center; gap: 20px; animation: marquee 22s linear infinite; }
.rail-track i { width: 72px; height: 1px; background: linear-gradient(90deg, var(--cyan-400), var(--pink-500)); }
@keyframes marquee { to { transform: translateX(-35%); } }

.section-pad { padding: var(--section-pad) var(--page-pad); }
.section-index { display: flex; align-items: center; gap: 14px; min-width: 150px; }
.section-index span { color: var(--blue-500); font: 600 .7rem var(--font-mono); }
.section-index p { margin: 0; font: 600 .7rem var(--font-mono); letter-spacing: .11em; }
.section-index.light span { color: var(--lime-400); }.section-index.light p { color: var(--white); }
.manifesto { display: grid; grid-template-columns: 130px minmax(0, 1fr) minmax(300px, .48fr); gap: clamp(32px, 4vw, 72px); background: linear-gradient(135deg, var(--white), var(--ice)); }
.manifesto > .section-index { align-self: start; flex-direction: column; align-items: flex-start; gap: 5px; min-width: 0; padding-top: 8px; }
.manifesto > .section-index span { color: var(--blue-500); font: 700 clamp(3.2rem, 5vw, 5.2rem)/.82 var(--font-display); letter-spacing: -.04em; }
.manifesto > .section-index p { color: var(--navy-950); font-size: .72rem; letter-spacing: .1em; }
.manifesto > .section-index::after { content: ""; width: 72px; height: 7px; margin-top: 18px; background: var(--pink-500); transform: skewX(-18deg); }
.manifesto h2, .section-heading h2, .difference h2, .fit h2, .about h2, .contact h2 { margin: 0; font: 600 clamp(2.5rem, 5vw, 5.4rem)/1.12 var(--font-display); letter-spacing: -.012em; text-wrap: balance; }
.manifesto h2 span { position: relative; display: inline-block; color: var(--blue-500); white-space: nowrap; }
.manifesto h2 span::after { content: ""; position: absolute; right: 0; bottom: -8px; left: 0; height: 7px; border-radius: 8px; background: var(--lime-400); transform: rotate(-1deg); }
.manifesto-copy > p:last-child { max-width: 780px; margin: 34px 0 0; color: var(--slate-600); font-size: 1.04rem; line-height: 1.9; }
.continuity-board { position: relative; align-self: stretch; overflow: hidden; min-height: 390px; display: grid; align-content: start; padding: 0 28px 24px; color: var(--white); background: linear-gradient(150deg, var(--navy-950), #10243d); clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%); box-shadow: 0 26px 70px rgba(5,11,20,.18); }
.continuity-board::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 7px; background: linear-gradient(var(--blue-500), var(--cyan-400), var(--lime-400)); }
.continuity-head { display: flex; justify-content: space-between; gap: 18px; margin: 0 -28px 0; padding: 16px 28px 16px 34px; border-bottom: 1px solid rgba(255,255,255,.14); color: #b5c0ce; font: 500 .7rem var(--font-mono); letter-spacing: .055em; }
.continuity-head b { color: var(--lime-400); }
.continuity-board > strong { margin: 28px 0 22px; font: 600 clamp(2.2rem, 3.2vw, 3.4rem)/1.12 var(--font-display); letter-spacing: .01em; }
.continuity-board ul { margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.15); list-style: none; }
.continuity-board li { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; min-height: 48px; border-bottom: 1px solid rgba(255,255,255,.13); }
.continuity-board li b { color: var(--cyan-400); font: 600 .7rem var(--font-mono); }
.continuity-board li span { font: 600 .94rem var(--font-display); }
.continuity-board li small { color: #a8b6c6; font: 500 .7rem var(--font-mono); letter-spacing: .025em; }
.continuity-board > p { margin: 19px 0 0; color: #aebccd; font-size: .8rem; line-height: 1.65; }

.services { color: var(--white); background: var(--navy-900); }
.section-heading { display: grid; grid-template-columns: 180px 1fr; gap: 3vw; margin-bottom: 70px; }
.section-heading .overline { margin-bottom: 16px; color: var(--pink-500); }
.services .section-index p { color: var(--white); }.services .section-index span { color: var(--lime-400); }
.service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.service-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 48px 64px 1fr; gap: 18px; min-height: 310px; padding: 34px; border: 1px solid rgba(255,255,255,.12); border-radius: 0; background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025)); clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%); transition: border-color var(--duration-normal), background var(--duration-normal), box-shadow var(--duration-normal); }
.service-card::after { content: ""; position: absolute; width: 150px; height: 18px; right: -28px; bottom: 24px; border-radius: 0; background: var(--blue-500); clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%); opacity: .82; transform: rotate(-8deg); transition: transform .5s var(--ease-out), width .5s var(--ease-out); }
.service-card:nth-child(2)::after { background: var(--pink-500); }.service-card:nth-child(3)::after { background: var(--lime-400); }.service-card:nth-child(4)::after { background: var(--cyan-400); }
.service-card:hover { border-color: rgba(56,217,255,.5); background: linear-gradient(145deg, rgba(47,107,255,.15), rgba(255,255,255,.04)); box-shadow: 0 24px 60px rgba(0,0,0,.22); }
.service-card:hover::after { width: 190px; transform: translateX(-18px) rotate(-8deg); }
.service-number { color: var(--lime-400); font: 600 .7rem var(--font-mono); }
.service-icon { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 0; color: var(--cyan-400); background: rgba(5,11,20,.26); clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 0 100%); font-size: 1.25rem; }
.service-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { margin: 0 0 12px; font: 600 clamp(1.5rem, 2.4vw, 2.3rem)/1.25 var(--font-display); letter-spacing: .01em; }
.service-card p { margin: 0; color: #aebccd; line-height: 1.75; }
.service-card ul { grid-column: 3; align-self: end; margin: 18px 0 0; padding: 0; list-style: none; color: #d7e0eb; font: 500 .86rem/1.75 var(--font-body); letter-spacing: .015em; }
.service-card li { padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.1); }

.difference { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; color: var(--white); background: linear-gradient(135deg, var(--blue-700), var(--violet-500)); }
.difference-copy > p:not(.overline) { max-width: 590px; margin: 30px 0; color: #e5eaff; line-height: 1.9; }
.difference .section-index { margin-bottom: 70px; }
.data-stack { display: grid; align-content: center; }
.data-stack article { position: relative; padding: 30px 34px; border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius-md); background: rgba(7,17,29,.35); backdrop-filter: blur(12px); box-shadow: 0 18px 40px rgba(7,17,29,.12); transition: transform var(--duration-normal) var(--ease-out); }
.data-stack article:hover { transform: translateX(-10px); }
.data-stack article + article { margin-top: 12px; margin-left: 7%; }.data-stack article + article + article { margin-left: 14%; }
.data-stack span { color: var(--lime-400); font: 500 .7rem var(--font-mono); letter-spacing: .07em; }
.data-stack strong { display: block; margin: 8px 0 12px; font: 600 1.55rem/1.35 var(--font-display); letter-spacing: .01em; }
.data-stack p { margin: 0; color: #d3ddf2; line-height: 1.7; }

.process { background: var(--white); }
.process-track { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.process-track::before { content: ""; position: absolute; top: 17px; right: 4%; left: 4%; height: 2px; background: linear-gradient(90deg, var(--blue-500), var(--cyan-400), var(--lime-400), var(--pink-500)); }
.process-track li { position: relative; min-height: 330px; padding: 54px 28px 26px; border-right: 1px solid var(--color-line); }
.process-track li:last-child { border-right: 0; }
.process-track span { position: absolute; top: 2px; left: 26px; width: 42px; height: 30px; display: grid; place-items: center; border: 0; border-radius: 0; color: var(--white); background: var(--blue-500); clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%); font: 600 .7rem var(--font-mono); box-shadow: none; }
.process-track li:nth-child(2) span { background: var(--cyan-400); color: var(--navy-950); }.process-track li:nth-child(3) span { background: var(--lime-400); color: var(--navy-950); }.process-track li:nth-child(4) span { background: var(--pink-500); }
.process-track h3 { margin: 38px 0 16px; font: 600 2rem/1.25 var(--font-display); letter-spacing: .015em; }
.process-track p { color: var(--slate-600); line-height: 1.75; }
.process-track small { display: block; margin-top: 30px; color: var(--blue-700); font-weight: 700; }

.fit { display: grid; grid-template-columns: .7fr 1.3fr; gap: 7vw; background: var(--lime-400); }
.fit-title { position: sticky; top: 110px; align-self: start; }
.fit-list p { display: grid; grid-template-columns: 50px 1fr; gap: 20px; margin: 0; padding: 25px 0; border-top: 1px solid rgba(5,11,20,.35); font: 600 clamp(1.15rem, 1.8vw, 1.65rem)/1.55 var(--font-display); letter-spacing: .012em; }
.fit-list p:last-child { border-bottom: 1px solid rgba(5,11,20,.35); }
.fit-list span { font: 600 .7rem var(--font-mono); color: var(--blue-700); }

.about { display: grid; grid-template-columns: minmax(380px, .78fr) minmax(0, 1.22fr); gap: clamp(54px, 7vw, 110px); color: var(--white); background: var(--navy-950); }
.about-dossier { position: relative; overflow: hidden; min-height: 620px; display: grid; grid-template-rows: auto auto 1fr auto; color: var(--navy-950); background: #eef3ff; border: 1px solid rgba(255,255,255,.18); clip-path: polygon(0 0, calc(100% - 62px) 0, 100% 62px, 100% 100%, 0 100%); box-shadow: 0 36px 90px rgba(0,0,0,.3); }
.about-dossier::before { content: ""; position: absolute; top: 0; right: 0; z-index: 2; width: 62px; height: 62px; background: linear-gradient(135deg, var(--lime-400) 0 49%, var(--navy-950) 50% 100%); }
.dossier-head { display: flex; justify-content: space-between; gap: 16px; padding: 20px 26px; border-bottom: 1px solid rgba(5,11,20,.17); color: var(--slate-600); font: 500 .7rem var(--font-mono); letter-spacing: .045em; }
.dossier-head b { padding-right: 42px; color: var(--blue-700); }
.dossier-title { position: relative; overflow: hidden; padding: 38px 34px 42px; color: var(--white); background: linear-gradient(112deg, var(--blue-500) 0 72%, var(--blue-700) 72% 82%, var(--navy-950) 82% 100%); }
.dossier-title::after { content: ""; position: absolute; right: 13%; bottom: 0; width: 3px; height: 115%; background: rgba(199,255,74,.9); transform: rotate(20deg); transform-origin: bottom; }
.dossier-title small { display: block; margin-bottom: 10px; color: var(--lime-400); font: 500 .72rem var(--font-ui); letter-spacing: .035em; }
.dossier-title strong { display: block; font: 600 clamp(3.4rem, 6vw, 6rem)/.95 var(--font-display); letter-spacing: -.025em; }
.dossier-grid { display: grid; grid-template-columns: 1fr 1fr; align-self: stretch; margin: 28px 30px; border-top: 1px solid rgba(5,11,20,.18); border-left: 1px solid rgba(5,11,20,.18); }
.dossier-grid > span { position: relative; min-height: 116px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto 1fr; gap: 0 12px; align-items: end; padding: 18px 20px; border-right: 1px solid rgba(5,11,20,.18); border-bottom: 1px solid rgba(5,11,20,.18); background: rgba(255,255,255,.52); }
.dossier-grid > span:nth-child(2) { background: var(--lime-400); }.dossier-grid > span:nth-child(3) { color: var(--white); background: var(--navy-800); }.dossier-grid > span:nth-child(4) { color: var(--white); background: var(--blue-500); }
.dossier-grid b { align-self: start; color: var(--pink-500); font: 600 .7rem var(--font-mono); }.dossier-grid > span:nth-child(2) b, .dossier-grid > span:nth-child(4) b { color: var(--navy-950); }.dossier-grid > span:nth-child(3) b { color: var(--lime-400); }
.dossier-grid strong { grid-column: 2; grid-row: 1 / 3; align-self: center; font: 600 clamp(1.65rem, 2.4vw, 2.35rem) var(--font-display); }
.dossier-grid small { align-self: end; color: currentColor; opacity: .76; font: 500 .7rem var(--font-mono); letter-spacing: .035em; }
.dossier-foot { display: flex; justify-content: space-between; gap: 18px; padding: 17px 28px; border-top: 1px solid rgba(5,11,20,.16); color: var(--slate-600); background: rgba(255,255,255,.48); font: 500 .7rem var(--font-mono); letter-spacing: .035em; }
.dossier-foot b { color: var(--navy-950); }
.about-copy { align-self: center; }
.about-copy .section-index { margin-bottom: 54px; }.about-copy .section-index p { color: var(--white); }.about-copy .section-index span { color: var(--lime-400); }
.about-copy > p:not(.overline,.rotary-note) { margin: 30px 0; color: #b3c0d0; line-height: 1.9; }
.about-copy dl { margin: 38px 0; border-top: 1px solid rgba(255,255,255,.25); }
.about-copy dl div { display: grid; grid-template-columns: 120px 1fr; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.about-copy dt { color: #728398; font: 600 .78rem var(--font-ui); letter-spacing: .02em; }.about-copy dd { margin: 0; font-weight: 600; }
.rotary-note { display: grid; gap: 6px; padding: 20px 22px; border: 1px solid rgba(199,255,74,.35); border-radius: var(--radius-md); background: rgba(199,255,74,.08); }
.rotary-note strong { font: 700 1rem var(--font-display); }.rotary-note span { color: var(--lime-400); font-size: .82rem; }

.faq { background: var(--cloud); }
.faq-list { max-width: 980px; margin-left: auto; border-top: 1px solid var(--color-line); }
.faq details { border-bottom: 1px solid var(--color-line); }
.faq summary { display: flex; justify-content: space-between; gap: 30px; padding: 26px 0; font: 600 1.18rem/1.5 var(--font-display); letter-spacing: .015em; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--blue-500); font: 400 1.5rem var(--font-body); transition: transform var(--duration-fast); }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { max-width: 760px; margin: -4px 0 28px; color: var(--slate-600); line-height: 1.85; }

.contact { position: relative; overflow: hidden; display: grid; grid-template-columns: .72fr 1.28fr; gap: 7vw; color: var(--white); background: linear-gradient(118deg, transparent 0 72%, rgba(255,77,121,.14) 72% 86%, transparent 86% 100%), var(--navy-900); }
.contact::before { content: ""; position: absolute; width: 520px; height: 170px; left: -310px; bottom: -88px; border: 1px solid rgba(47,107,255,.35); border-left: 72px solid rgba(47,107,255,.18); background: rgba(47,107,255,.04); transform: skewX(-18deg) rotate(-7deg); }
.contact > * { position: relative; z-index: 1; }
.contact-intro > p:not(.overline) { max-width: 520px; color: #aab8ca; line-height: 1.8; }
.contact-intro .section-index { margin-bottom: 64px; }
.contact-email { max-width: 520px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px 20px; margin-top: 34px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); transition: border-color var(--duration-fast), color var(--duration-fast); }
.contact-email span { color: #8fa0b4; font: 600 .8rem/1.5 var(--font-body); }
.contact-email strong { overflow-wrap: anywhere; color: var(--white); font: 600 1rem/1.5 var(--font-body); letter-spacing: .01em; }
.contact-email b { color: var(--lime-400); font: 500 1.15rem var(--font-body); transition: transform var(--duration-fast); }
.contact-email:hover { border-color: rgba(199,255,74,.6); }.contact-email:hover b { transform: translate(3px, -3px); }
.brief-form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-content: start; padding: 32px; border: 1px solid rgba(255,255,255,.12); border-radius: 0; background: rgba(255,255,255,.055); clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%); box-shadow: 0 28px 70px rgba(0,0,0,.18); backdrop-filter: blur(12px); }
.brief-form label { display: grid; gap: 10px; color: #c6d0dc; font: 600 .78rem var(--font-ui); letter-spacing: .02em; }
.brief-form input, .brief-form select, .brief-form textarea { width: 100%; min-height: 48px; border: 0; border-bottom: 1px solid #52647a; border-radius: 0; outline: 0; color: var(--white); background: transparent; padding: 12px 0; font-family: var(--font-body); }
.brief-form select { color-scheme: dark; }.brief-form textarea { resize: vertical; }
.brief-form input:focus, .brief-form select:focus, .brief-form textarea:focus { border-color: var(--input-ring); box-shadow: 0 2px 0 var(--input-ring); }
.brief-form .full { grid-column: 1 / -1; }
.form-action { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 12px; }
.form-action p { max-width: 400px; margin: 0; color: #7f90a5; font-size: .7rem; line-height: 1.65; }
.brief-result { margin-top: 20px; padding: 20px; border: 1px solid rgba(199,255,74,.35); border-radius: var(--radius-md); background: rgba(5,11,20,.72); }
.brief-result > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; }.brief-actions { display: flex; align-items: center; gap: 8px; }.brief-actions a, .brief-actions button { min-height: 36px; display: inline-flex; align-items: center; justify-content: center; padding: 8px 12px; border: 1px solid rgba(199,255,74,.4); color: var(--lime-400); background: transparent; font: 600 .78rem/1 var(--font-body); white-space: nowrap; }.brief-actions a { border-color: var(--lime-400); color: var(--navy-950); background: var(--lime-400); clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%); }.brief-actions a:hover, .brief-actions button:hover { filter: brightness(1.08); }.brief-result pre { white-space: pre-wrap; font: .78rem/1.7 var(--font-mono); }.brief-result > p { color: #8291a3; font-size: .72rem; line-height: 1.7; }

.site-footer { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px var(--page-pad) 28px; color: #9aa8ba; background: var(--navy-950); }
.inverse { color: var(--white); }.footer-brand > p { margin-top: 22px; color: #8190a2; }.site-footer > div:not(.footer-brand) { display: grid; align-content: start; gap: 10px; font-size: .82rem; }.site-footer > div > span { margin-bottom: 8px; color: var(--white); font-weight: 700; }.site-footer a { transition: color var(--duration-fast); }.site-footer a:hover { color: var(--lime-400); }.footer-email { overflow-wrap: anywhere; color: #c5cfdb; }.footer-meta p { margin: 0; color: #8190a2; }.copyright { grid-column: 1 / -1; margin: 40px 0 0; padding-top: 18px; border-top: 1px solid #1d2a39; color: #748397; font: 500 .72rem var(--font-mono); }

.reveal { opacity: 1; transform: none; }.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }.reveal[data-delay="1"] { transition-delay: .1s; }.reveal[data-delay="2"] { transition-delay: .2s; }.reveal[data-delay="3"] { transition-delay: .3s; }.js .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .site-header { min-height: 72px; }
  .menu-toggle { position: relative; z-index: calc(var(--z-menu) + 1); min-width: 48px; min-height: 48px; display: grid; grid-template-columns: 24px auto; gap: 4px 8px; align-items: center; color: var(--white); }
  .menu-toggle span { grid-column: 1; width: 24px; height: 1px; background: currentColor; }.menu-toggle b { grid-column: 2; grid-row: 1 / 4; font: 600 .72rem var(--font-ui); }
  .site-nav { position: fixed; inset: 0; z-index: var(--z-menu); width: 100vw; height: 100dvh; display: grid; place-content: center; gap: 24px; text-align: center; font: 700 1.9rem var(--font-display); background: rgba(5,11,20,.97); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-100%); transition: transform .38s var(--ease-out), opacity .24s ease, visibility 0s linear .38s; }
  .site-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }.nav-cta { justify-self: center; font: 600 .9rem var(--font-body); }
  .hero { grid-template-columns: 1fr; padding-top: 130px; padding-bottom: 110px; }
  .hero-copy { max-width: 900px; }.hero-side { grid-template-columns: 1fr .6fr; }.tech-stage { min-height: 500px; }.hero-note { align-self: stretch; flex-direction: column; justify-content: center; text-align: center; }
  .manifesto { grid-template-columns: 120px 1fr; }.continuity-board { grid-column: 2; width: min(100%, 680px); min-height: 0; }
  .difference, .about, .contact { grid-template-columns: 1fr; }.data-stack { max-width: 780px; }.about-dossier { width: min(100%, 780px); min-height: 560px; }
  .process-track { grid-template-columns: 1fr 1fr; }.process-track::before { display: none; }.process-track li { border-bottom: 1px solid var(--color-line); }
  .fit { grid-template-columns: 1fr; }.fit-title { position: static; }
  .site-footer { grid-template-columns: 1.5fr 1fr 1fr; }.footer-meta { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .brand-logo { width: 168px; }
  .hero { min-height: auto; padding-top: 118px; }
  .hero h1 { font-size: clamp(3.2rem, 15vw, 5.2rem); }
  .status-chip { margin-bottom: 24px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 10px; }.button { min-width: 0; }.text-link { width: fit-content; }
  .hero-proof { gap: 12px 20px; }
  .hero-side { grid-template-columns: 1fr; }.tech-stage { min-height: 500px; }.hero-note { flex-direction: row; text-align: left; }
  .map-intro { grid-template-columns: 1fr; gap: 8px; }.map-intro small { padding-top: 0; }.workflow-lane { grid-template-columns: 36px 1fr 56px; }.workflow-lane > small { display: none; }.lane-discover, .lane-define, .lane-build, .lane-handover { margin-right: 0; margin-left: 0; }
  .manifesto, .section-heading { grid-template-columns: 1fr; }.continuity-board { grid-column: auto; width: 100%; }.section-index { margin-bottom: 26px; }.manifesto > .section-index { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px; }.manifesto > .section-index::after { width: 54px; height: 6px; margin: 0; }
  .manifesto h2 { font-size: clamp(2.2rem, 9.6vw, 2.45rem); }
  .service-list { grid-template-columns: 1fr; }.service-card { grid-template-columns: 38px 54px 1fr; min-height: 0; padding: 26px 22px; }.service-card > div:nth-of-type(2) { grid-column: 1 / -1; }.service-card ul { grid-column: 1 / -1; }
  .data-stack article + article, .data-stack article + article + article { margin-left: 0; }.data-stack article { padding: 26px 22px; }
  .process-track { grid-template-columns: 1fr; }.process-track li { min-height: 0; border-right: 0; }.process-track h3 { margin-top: 28px; }
  .fit-list p { grid-template-columns: 35px 1fr; }
  .about-dossier { min-height: 0; }.dossier-head { padding: 18px 20px; }.dossier-head b { padding-right: 58px; }.dossier-title { padding: 32px 26px 36px; }.dossier-grid { margin: 22px 20px; }.dossier-grid > span { min-height: 104px; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr auto; padding: 15px; }.dossier-grid strong { grid-column: 1 / -1; grid-row: 2; justify-self: center; }.dossier-grid small { grid-column: 1 / -1; grid-row: 3; }.dossier-foot { padding: 15px 20px; }.about-copy dl div { grid-template-columns: 100px 1fr; }
  .contact-email { grid-template-columns: 1fr auto; }.contact-email span { grid-column: 1 / -1; }.brief-form { grid-template-columns: 1fr; padding: 24px 20px; }.brief-form .full { grid-column: auto; }.form-action { align-items: stretch; flex-direction: column; }.brief-result > div { align-items: flex-start; flex-direction: column; }.brief-actions { width: 100%; flex-wrap: wrap; }
  .site-footer { grid-template-columns: 1fr 1fr; }.footer-brand, .footer-meta { grid-column: 1 / -1; }
}

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

/* === Branded 404 === */
.not-found-page { min-height: 100svh; color: var(--white); background: var(--navy-950); }
.not-found-header { position: fixed; inset: 0 0 auto; z-index: 2; min-height: 86px; display: flex; align-items: center; justify-content: space-between; padding: 14px var(--page-pad); border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(5,11,20,.86); backdrop-filter: blur(18px); }
.not-found-header > span { color: var(--lime-400); font: 500 .72rem var(--font-mono); letter-spacing: .14em; }
.not-found { position: relative; isolation: isolate; min-height: 100svh; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) minmax(310px, .64fr); align-items: center; gap: clamp(50px, 8vw, 130px); padding: 150px var(--page-pad) 80px; background: linear-gradient(119deg, transparent 0 58%, rgba(47,107,255,.18) 58% 74%, transparent 74%), radial-gradient(circle at 22% 72%, rgba(255,77,121,.12), transparent 34%), var(--navy-950); }
.not-found::before { content: ""; position: absolute; inset: 86px 0 0; z-index: -1; opacity: .26; background: repeating-linear-gradient(90deg, transparent 0 95px, rgba(255,255,255,.07) 95px 96px), repeating-linear-gradient(0deg, transparent 0 95px, rgba(255,255,255,.04) 95px 96px); mask-image: linear-gradient(110deg, #000, transparent 76%); }
.not-found-copy { max-width: 840px; }
.not-found-kicker { display: flex; align-items: center; gap: 12px; margin: 0 0 28px; color: var(--cyan-400); font: 500 .72rem var(--font-mono); letter-spacing: .16em; }
.not-found-kicker i { width: 28px; height: 5px; display: inline-block; background: var(--lime-400); box-shadow: 0 0 18px rgba(199,255,74,.5); }
.not-found h1 { margin: 0; font: 600 clamp(3.2rem, 7vw, 7.5rem)/1.02 var(--font-display); letter-spacing: -.025em; text-wrap: balance; }
.not-found h1 > span { display: block; margin-bottom: 14px; color: transparent; background: linear-gradient(90deg, var(--cyan-400), var(--blue-500) 55%, var(--pink-500)); background-clip: text; -webkit-background-clip: text; font: 600 clamp(1rem, 1.7vw, 1.4rem) var(--font-mono); letter-spacing: .22em; }
.not-found-copy > p:not(.not-found-kicker) { max-width: 610px; margin: 30px 0; color: #b9c6d6; font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.9; }
.not-found-panel { position: relative; overflow: hidden; min-height: 390px; display: grid; align-content: center; gap: 18px; padding: 34px; border: 1px solid rgba(255,255,255,.17); background: linear-gradient(145deg, rgba(19,43,70,.94), rgba(6,15,27,.94)); box-shadow: 0 32px 90px rgba(0,0,0,.38), var(--shadow-glow); clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%); }
.not-found-panel::after { content: ""; position: absolute; right: -50px; bottom: -70px; width: 190px; height: 190px; border: 1px solid rgba(56,217,255,.4); transform: rotate(45deg); }
.not-found-panel > span, .not-found-panel > p { margin: 0; color: #8fa1b6; font: 500 .67rem var(--font-mono); letter-spacing: .12em; }
.not-found-panel > strong { color: var(--white); font: 600 clamp(1.55rem, 2.6vw, 2.35rem) var(--font-display); letter-spacing: .035em; }
.not-found-panel > div { position: relative; z-index: 1; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 14px; min-height: 54px; padding: 0 16px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.045); }
.not-found-panel b { color: var(--lime-400); font: 500 .7rem var(--font-mono); }
.not-found-panel i { height: 6px; background: linear-gradient(90deg, var(--blue-500) 0 68%, rgba(255,255,255,.1) 68%); }
.not-found-panel div:nth-of-type(2) i { background: linear-gradient(90deg, var(--pink-500) 0 42%, rgba(255,255,255,.1) 42%); }
.not-found-panel small { color: #c3cfdd; font: 500 .65rem var(--font-mono); letter-spacing: .08em; }

@media (max-width: 820px) {
  .not-found-header { min-height: 72px; }
  .not-found-header > span { display: none; }
  .not-found { grid-template-columns: 1fr; padding-top: 125px; }
  .not-found-panel { min-height: 300px; }
}