:root {
  --ink: #f4f7fb;
  --muted: #8f9aab;
  --line: rgba(180, 198, 222, 0.16);
  --blue: #1f75ff;
  --cyan: #63d7ff;
  --navy: #020713;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--navy); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(20, 92, 255, 0.13), transparent 31rem),
    linear-gradient(180deg, #020713 0%, #030916 100%);
  color: var(--ink);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

main { min-height: 100svh; position: relative; overflow: clip; }
main::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.site-header {
  width: min(1400px, calc(100% - 80px));
  height: 104px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background .3s ease, width .3s ease, border-color .3s ease;
}
.site-header::before { content: ""; position: absolute; inset: 0 -28px; z-index: -1; backdrop-filter: blur(0); transition: .3s ease; }
.site-header.is-scrolled::before { background: rgba(2, 7, 19, .84); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(153, 181, 219, .13); }
.brand { display: flex; align-items: center; gap: 13px; letter-spacing: .13em; }
.brand-mark {
  width: 32px; height: 32px; display: grid; place-items: center;
  color: white; font-weight: 850; font-size: 18px; letter-spacing: -.08em;
  border: 1px solid rgba(105,196,255,.7); border-radius: 50%;
  background: linear-gradient(135deg, #16b8ff, #123fff 62%, #eef4ff 63%, #8598b5);
  box-shadow: 0 0 24px rgba(42,119,255,.28);
}
.brand-name { font-weight: 750; font-size: 15px; }
.brand-cn { font-size: 11px; color: #8794a8; padding-left: 2px; border-left: 1px solid var(--line); }
.main-nav { display: flex; align-items: center; gap: 34px; font-size: 13px; color: #aab4c4; }
.main-nav a { transition: color .25s ease; }
.main-nav a:hover { color: white; }
.main-nav .nav-cta { border: 1px solid rgba(128,181,255,.35); padding: 12px 17px; color: #dce9ff; display: flex; align-items: center; gap: 22px; }
.menu-toggle { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.hero {
  width: min(1400px, calc(100% - 80px));
  min-height: calc(100svh - 172px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  position: relative;
  z-index: 2;
  padding: 64px 0 58px;
}
.hero-copy { max-width: 760px; position: relative; z-index: 2; }
.eyebrow { color: #8ca5c8; letter-spacing: .22em; font-size: 11px; font-weight: 650; text-transform: uppercase; display: flex; align-items: center; gap: 16px; margin: 0 0 30px; }
.eyebrow i { display: block; width: 54px; height: 1px; background: linear-gradient(90deg, var(--blue), transparent); }
h1 { font-weight: 520; font-size: clamp(72px, 8.2vw, 132px); line-height: .94; letter-spacing: -.075em; margin: 0 0 38px; }
h1 em { font-style: normal; color: transparent; -webkit-text-stroke: 1px #69a9ff; text-shadow: 0 0 35px rgba(31,117,255,.19); }
.hero-lead { font-size: clamp(22px, 2.15vw, 34px); line-height: 1.45; letter-spacing: -.025em; margin: 0 0 20px; color: #e4eaf3; }
.hero-note { max-width: 680px; color: #8490a2; line-height: 1.95; font-size: 15px; margin: 0; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; min-width: 206px; padding: 17px 20px; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.button-primary { background: linear-gradient(110deg, #1475ff, #2347ff); color: white; box-shadow: 0 12px 44px rgba(17,88,255,.24); }
.text-link { color: #98a7ba; font-size: 13px; display: flex; gap: 14px; align-items: center; }
.text-link span { color: #63bfff; }

.hero-system { min-height: 560px; display: flex; align-items: center; justify-content: center; position: relative; }
.hero-system::before, .hero-system::after { content: ""; position: absolute; inset: 10% 2%; border: 1px solid rgba(111,149,210,.1); transform: rotate(12deg); }
.hero-system::after { inset: 18% 10%; transform: rotate(-9deg); }
.system-label { position: absolute; top: 13%; left: 4%; color: #5e718f; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .18em; writing-mode: vertical-rl; }
.system-core { width: min(34vw, 430px); aspect-ratio: 1; position: relative; display: grid; place-items: center; }
.core-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(73,133,229,.22); }
.ring-outer { inset: 0; box-shadow: inset 0 0 90px rgba(23,79,204,.05), 0 0 110px rgba(25,76,219,.08); animation: breathe 5s ease-in-out infinite; }
.ring-inner { inset: 16%; border-style: dashed; border-color: rgba(111,195,255,.34); animation: spin 22s linear infinite; }
.core-cross { position: absolute; background: linear-gradient(90deg, transparent, rgba(68, 134, 235, .17), transparent); }
.cross-x { width: 126%; height: 1px; }
.cross-y { width: 1px; height: 126%; background: linear-gradient(180deg, transparent, rgba(68, 134, 235, .17), transparent); }
.core-logo-crop {
  width: 58%; aspect-ratio: 1.4; position: relative; z-index: 2;
  background-image: url('/cybertron-brand.jpg');
  background-size: 100% auto;
  background-position: center 18%;
  background-repeat: no-repeat;
  filter: drop-shadow(0 0 34px rgba(35,97,255,.22));
  clip-path: inset(0 0 34% 0);
  transform: translateY(11%);
}
.system-metrics { position: absolute; bottom: 9%; left: 50%; transform: translateX(-50%); width: 90%; display: flex; justify-content: space-between; color: #77859a; font-size: 10px; letter-spacing: .08em; }
.system-metrics span { border-top: 1px solid var(--line); padding-top: 11px; min-width: 27%; }
.system-metrics b { color: #4ba6ff; margin-right: 7px; }

.hero-footer { width: min(1400px, calc(100% - 80px)); height: 68px; margin: 0 auto; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 34px; color: #526078; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .12em; position: relative; z-index: 2; }
.scroll-cue { margin-left: auto; color: #8190a7; }
.scroll-cue i { color: #49a7ff; font-style: normal; margin-left: 10px; }
.hero-orbit { position: absolute; width: 820px; aspect-ratio: 1; border: 1px solid rgba(49,99,182,.08); border-radius: 50%; right: -240px; top: -290px; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { transform: scale(1.035); border-color: rgba(72,137,241,.38); } }

/* Shared section system */
.section { width: min(1400px, calc(100% - 80px)); margin: 0 auto; padding: 150px 0; position: relative; z-index: 2; }
.section-head { display: grid; grid-template-columns: 1.3fr .7fr; gap: 80px; align-items: end; margin-bottom: 76px; }
.section-kicker { margin: 0 0 26px; color: #6d7e97; font-family: Consolas, "SFMono-Regular", monospace; font-size: 10px; letter-spacing: .18em; }
.section-kicker span { color: #459cff; margin-right: 15px; }
.section-head h2, .case-head h2, .contact-inner h2 { margin: 0; font-weight: 500; font-size: clamp(44px, 4.4vw, 72px); line-height: 1.18; letter-spacing: -.052em; }
.section-head h2 em, .case-head h2 em, .contact-inner h2 em { font-style: normal; color: #6cb0ff; }
.section-summary { margin: 0 0 6px; color: #8491a3; font-size: 15px; line-height: 2; max-width: 460px; justify-self: end; }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .85s cubic-bezier(.2,.7,.2,1), transform .85s cubic-bezier(.2,.7,.2,1); transition-delay: var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Value leakage */
.pain-section { padding-top: 170px; }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pain-card { padding: 34px 34px 38px; min-height: 470px; position: relative; border-right: 1px solid var(--line); transition: background .35s ease, transform .35s ease; }
.pain-card:last-child { border-right: 0; }
.pain-card:hover { background: linear-gradient(180deg, rgba(25, 77, 163, .11), rgba(9, 26, 56, .03)); transform: translateY(-5px); }
.card-top, .capability-top { display: flex; justify-content: space-between; align-items: center; color: #4d5c72; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .13em; }
.card-top span, .capability-top span { color: #469fff; }
.card-top b, .capability-top b { font-weight: 500; }
.pain-glyph { height: 150px; margin: 28px 0 14px; position: relative; display: flex; align-items: center; justify-content: center; }
.pain-glyph::before { content: ""; width: 102px; height: 102px; border: 1px solid rgba(80, 128, 196, .24); border-radius: 50%; position: absolute; box-shadow: inset 0 0 40px rgba(38, 94, 180, .05); }
.pain-glyph i { width: 7px; height: 7px; border: 1px solid #498bdf; border-radius: 50%; position: absolute; background: #071326; box-shadow: 0 0 14px rgba(39, 130, 255, .35); }
.pain-glyph i:nth-child(1) { transform: translate(-42px, -24px); }
.pain-glyph i:nth-child(2) { transform: translate(38px, -8px); }
.pain-glyph i:nth-child(3) { transform: translate(-2px, 43px); }
.pain-glyph::after { content: ""; width: 90px; height: 55px; border-top: 1px solid rgba(85, 148, 236, .25); border-right: 1px solid rgba(85, 148, 236, .25); transform: rotate(26deg); }
.pain-card:nth-child(2) .pain-glyph::before { border-radius: 0; transform: rotate(45deg); width: 75px; height: 75px; }
.pain-card:nth-child(2) .pain-glyph::after { border-right: 0; width: 128px; transform: rotate(-10deg); }
.pain-card:nth-child(3) .pain-glyph::before { width: 118px; height: 72px; border-radius: 0; }
.pain-card:nth-child(3) .pain-glyph::after { width: 72px; height: 72px; border-left: 1px solid rgba(85, 148, 236, .25); transform: rotate(45deg); }
.pain-card h3 { margin: 0 0 18px; font-size: 25px; font-weight: 550; letter-spacing: -.03em; }
.pain-card > p { margin: 0; color: #7c899a; font-size: 14px; line-height: 1.9; min-height: 82px; }
.card-signal { border-top: 1px solid rgba(154, 178, 209, .12); margin-top: 28px; padding-top: 18px; color: #9ba7b8; font-size: 11px; line-height: 1.7; }
.card-signal span { display: block; color: #4f6078; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .12em; margin-bottom: 6px; }

/* Positioning statement */
.statement { width: min(1400px, calc(100% - 80px)); margin: 0 auto 40px; padding: 76px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: .28fr 1fr .25fr 1fr; align-items: center; gap: 34px; position: relative; z-index: 2; }
.statement-index { color: #506079; font: 10px/1 Consolas, monospace; letter-spacing: .15em; align-self: start; }
.statement p { margin: 0; color: #6f7b8e; font-size: clamp(17px, 1.5vw, 22px); line-height: 1.75; }
.statement p strong { color: #e8eef8; font-size: clamp(26px, 2.25vw, 38px); font-weight: 500; letter-spacing: -.03em; }
.statement-arrow { color: #429fff; font-size: 32px; font-weight: 200; }

/* Method loop */
.method-section { padding-top: 150px; }
.method-loop { border: 1px solid var(--line); padding: 28px 28px 22px; background: linear-gradient(180deg, rgba(10, 25, 52, .6), rgba(4, 12, 27, .4)); position: relative; }
.method-loop::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 40%, rgba(28, 100, 236, .11), transparent 41%); pointer-events: none; }
.loop-axis { display: flex; align-items: center; gap: 15px; color: #50627c; font: 8px/1 Consolas, monospace; letter-spacing: .15em; }
.loop-axis i { height: 1px; flex: 1; background: linear-gradient(90deg, rgba(55, 118, 217, .1), rgba(71, 161, 255, .36)); }
.method-grid { display: grid; grid-template-columns: repeat(6, 1fr); padding-top: 42px; position: relative; z-index: 1; }
.method-step { min-height: 278px; padding: 0 22px 24px; border-right: 1px solid rgba(157, 181, 213, .12); position: relative; }
.method-step:last-child { border-right: 0; }
.method-number { color: #4c5c75; font: 9px/1 Consolas, monospace; }
.method-node { height: 64px; display: flex; align-items: center; }
.method-node span { width: 13px; height: 13px; border: 2px solid #3c9cff; background: #061021; transform: rotate(45deg); box-shadow: 0 0 18px rgba(41, 139, 255, .35); z-index: 1; }
.method-node i { height: 1px; width: calc(100% - 8px); background: linear-gradient(90deg, #247bd2, rgba(75, 140, 213, .1)); }
.method-en { color: #5a7294; font: 9px/1.4 Consolas, monospace; letter-spacing: .11em; min-height: 27px; margin: 0 0 10px; }
.method-step h3 { margin: 0 0 15px; font-size: 22px; font-weight: 540; }
.method-desc { margin: 0; color: #718095; font-size: 12px; line-height: 1.85; }
.method-arrow { position: absolute; right: -7px; top: 109px; color: #3d8bdd; font-size: 22px; z-index: 2; }
.loop-return { margin-top: 2px; padding: 18px 20px; border-top: 1px solid rgba(148, 175, 211, .12); display: flex; align-items: center; gap: 18px; color: #64758d; font: 9px/1 Consolas, monospace; letter-spacing: .12em; }
.loop-return i { height: 1px; flex: 1; background: linear-gradient(90deg, rgba(56, 144, 245, .16), rgba(56, 144, 245, .55), rgba(56, 144, 245, .16)); }
.loop-return b { color: #79a8df; font-weight: 500; }

/* Industry solutions */
.solutions-section { padding-top: 170px; }
.solution-stack { display: grid; gap: 22px; }
.solution-panel { min-height: 510px; display: grid; grid-template-columns: 150px 1fr; border: 1px solid var(--line); position: relative; overflow: hidden; background: linear-gradient(120deg, rgba(9, 28, 62, .82), rgba(4, 12, 27, .72)); }
.solution-panel::before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: -230px; border: 1px solid rgba(73, 139, 226, .12); border-radius: 50%; box-shadow: 0 0 0 65px rgba(32, 92, 183, .025), 0 0 0 130px rgba(32, 92, 183, .018); }
.estate-panel { background: linear-gradient(120deg, rgba(18, 25, 40, .9), rgba(6, 13, 25, .7)); }
.estate-panel::before { border-radius: 0; transform: rotate(24deg); border-color: rgba(173, 188, 210, .1); }
.solution-aside { border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; padding: 30px; color: #52637e; font: 9px/1.5 Consolas, monospace; letter-spacing: .13em; }
.solution-number { color: #4ca3ff; }
.solution-aside p { margin: 0; }
.solution-main { padding: 54px 58px 48px; position: relative; z-index: 1; }
.solution-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 50px; border-bottom: 1px solid var(--line); padding-bottom: 40px; }
.solution-label { margin: 0 0 16px; color: #5396e7; font: 9px/1 Consolas, monospace; letter-spacing: .16em; }
.solution-title-row h3 { margin: 0; font-size: clamp(31px, 3.05vw, 51px); line-height: 1.3; letter-spacing: -.045em; font-weight: 520; }
.solution-badge { color: #8295ad; font-size: 10px; letter-spacing: .08em; border: 1px solid rgba(123, 162, 211, .25); padding: 11px 14px; white-space: nowrap; }
.solution-items { display: grid; grid-template-columns: repeat(4, 1fr); }
.solution-items > div { padding: 30px 24px 0 0; border-right: 1px solid rgba(150, 177, 212, .11); min-height: 160px; }
.solution-items > div:not(:first-child) { padding-left: 24px; }
.solution-items > div:last-child { border-right: 0; }
.solution-items span { color: #3e5574; font: 9px/1 Consolas, monospace; display: block; margin-bottom: 19px; }
.solution-items b { display: block; color: #dde7f4; font-size: 16px; font-weight: 550; margin-bottom: 13px; }
.solution-items p { margin: 0; color: #6f7e91; font-size: 12px; line-height: 1.8; }

/* Case */
.case-section { margin-top: 30px; padding: 150px 0 130px; position: relative; overflow: hidden; background: linear-gradient(135deg, #073dad 0%, #0b66e7 48%, #0848bd 100%); color: white; }
.case-section::before { content: ""; position: absolute; width: 780px; height: 780px; border: 1px solid rgba(197, 225, 255, .15); border-radius: 50%; right: -190px; top: -250px; box-shadow: 0 0 0 110px rgba(255,255,255,.025), 0 0 0 220px rgba(255,255,255,.018); }
.case-grid-bg { position: absolute; inset: 0; opacity: .2; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 100px 100px; mask-image: linear-gradient(90deg, black, transparent 85%); }
.case-inner { width: min(1400px, calc(100% - 80px)); margin: 0 auto; position: relative; z-index: 1; }
.case-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 50px; }
.section-kicker.light { color: rgba(232, 242, 255, .62); }
.section-kicker.light span { color: white; }
.case-head h2 em { color: white; }
.case-meta { display: flex; flex-direction: column; gap: 12px; color: rgba(225, 239, 255, .7); text-align: right; font: 9px/1 Consolas, monospace; letter-spacing: .13em; }
.case-intro { width: min(780px, 70%); margin: 40px 0 68px; color: rgba(235, 244, 255, .78); line-height: 1.9; font-size: 15px; }
.case-metrics { display: grid; grid-template-columns: .75fr 1.25fr; border-top: 1px solid rgba(255,255,255,.25); border-bottom: 1px solid rgba(255,255,255,.25); }
.metric-primary { padding: 42px 46px 40px 0; border-right: 1px solid rgba(255,255,255,.24); }
.metric-label, .metric-list span { color: rgba(234, 244, 255, .68); font-size: 11px; letter-spacing: .08em; }
.metric-primary strong { display: flex; align-items: baseline; margin: 12px 0 6px; font-size: clamp(82px, 9vw, 140px); font-weight: 450; line-height: 1; letter-spacing: -.07em; }
.metric-primary strong i, .metric-list strong i { font-style: normal; }
.metric-primary small { font-size: .28em; margin-left: 9px; letter-spacing: 0; }
.metric-primary p { margin: 0; color: rgba(255,255,255,.75); font: 11px/1 Consolas, monospace; }
.metric-list { display: grid; grid-template-columns: repeat(3, 1fr); }
.metric-list > div { padding: 43px 26px 36px; border-right: 1px solid rgba(255,255,255,.2); display: flex; flex-direction: column; justify-content: space-between; }
.metric-list > div:last-child { border-right: 0; }
.metric-list strong { display: flex; align-items: baseline; margin-top: 36px; font-size: clamp(35px, 3.7vw, 60px); font-weight: 480; letter-spacing: -.055em; white-space: nowrap; }
.metric-list small { font-size: .27em; margin: 0 6px; letter-spacing: 0; }
.case-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 28px; margin-top: 56px; }
.case-flow > i { color: rgba(255,255,255,.55); font-style: normal; }
.case-flow span { display: block; color: rgba(231,242,255,.62); font: 9px/1 Consolas, monospace; margin-bottom: 12px; }
.case-flow b { display: block; font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.case-flow p { margin: 0; color: rgba(231,242,255,.68); font-size: 11px; line-height: 1.65; }
.case-disclaimer { margin: 50px 0 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.18); color: rgba(235,245,255,.57); font-size: 10px; line-height: 1.7; }

/* Capabilities */
.capabilities-section { padding-top: 175px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-card { min-height: 500px; border-right: 1px solid var(--line); padding: 30px 27px 34px; position: relative; overflow: hidden; transition: background .35s ease; }
.capability-card:last-child { border-right: 0; }
.capability-card:hover { background: rgba(12, 36, 75, .26); }
.capability-top b { color: #6c7c93; font-size: 11px; }
.capability-visual { height: 185px; display: grid; place-items: center; }
.visual { width: 88px; height: 88px; border: 1px solid rgba(86, 150, 235, .28); position: relative; transform: rotate(45deg); box-shadow: 0 0 45px rgba(40,112,220,.06); }
.visual i { position: absolute; background: rgba(77, 150, 243, .38); }
.visual i:nth-child(1) { width: 1px; height: 130%; top: -15%; left: 50%; }
.visual i:nth-child(2) { height: 1px; width: 130%; left: -15%; top: 50%; }
.visual i:nth-child(3) { width: 13px; height: 13px; border: 2px solid #4ba4ff; background: #071326; left: calc(50% - 7px); top: calc(50% - 7px); box-shadow: 0 0 18px rgba(55,149,255,.5); }
.visual-02 { border-radius: 50%; border-style: dashed; }
.visual-02 i:nth-child(1) { transform: rotate(45deg); }
.visual-02 i:nth-child(2) { transform: rotate(45deg); }
.visual-03 { transform: none; width: 116px; height: 64px; }
.visual-03 i:nth-child(1) { width: 64%; height: 1px; top: 24%; left: 18%; }
.visual-03 i:nth-child(2) { width: 64%; height: 1px; top: 49%; left: 18%; }
.visual-03 i:nth-child(3) { width: 64%; height: 1px; top: 74%; left: 18%; border: 0; box-shadow: none; }
.visual-04 { transform: none; border: 0; border-left: 1px solid rgba(86,150,235,.3); border-bottom: 1px solid rgba(86,150,235,.3); }
.visual-04 i:nth-child(1) { width: 14px; height: 34px; left: 13px; bottom: 0; top: auto; }
.visual-04 i:nth-child(2) { width: 14px; height: 58px; left: 37px; bottom: 0; top: auto; }
.visual-04 i:nth-child(3) { width: 14px; height: 75px; left: 61px; bottom: 0; top: auto; border: 0; box-shadow: 0 0 16px rgba(55,149,255,.25); }
.capability-card > p { margin: 0 0 9px; color: #526986; font: 9px/1.4 Consolas, monospace; letter-spacing: .1em; text-transform: uppercase; }
.capability-card h3 { margin: 0 0 21px; font-size: 23px; font-weight: 540; }
.capability-copy { color: #738094; font-size: 13px; line-height: 1.85; }
.capability-line { position: absolute; bottom: 0; left: 27px; right: 27px; height: 2px; background: linear-gradient(90deg, #268aff 0 22%, rgba(45,113,201,.08) 22%); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.capability-card:hover .capability-line { transform: scaleX(1); }

/* Human + AI */
.principle-section { width: min(1400px, calc(100% - 80px)); margin: 30px auto 160px; padding: 85px 76px 60px; border: 1px solid var(--line); background: radial-gradient(circle at 80% 20%, rgba(26,100,220,.13), transparent 33%), rgba(4,14,31,.55); position: relative; }
.principle-section blockquote { margin: 0 0 68px; font-size: clamp(34px, 3.5vw, 58px); line-height: 1.42; font-weight: 450; letter-spacing: -.045em; }
.principle-section blockquote em { color: #68adff; font-style: normal; }
.principle-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; border-top: 1px solid var(--line); padding-top: 30px; }
.principle-split > div { display: grid; grid-template-columns: 90px 1fr; gap: 20px; }
.principle-split span { color: #5199ed; font: 10px/1.7 Consolas, monospace; }
.principle-split p { margin: 0; color: #8391a4; font-size: 13px; line-height: 1.7; }

/* Contact */
.contact-section { width: min(1520px, calc(100% - 48px)); margin: 0 auto 24px; padding: 120px 84px 0; min-height: 740px; background: linear-gradient(140deg, #051021 0%, #081936 60%, #0a2b62 100%); border: 1px solid rgba(104,150,214,.22); position: relative; overflow: hidden; }
.contact-section::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 90px 90px; opacity: .5; }
.contact-glow { position: absolute; width: 680px; height: 680px; right: -180px; top: -140px; border: 1px solid rgba(76,154,255,.2); border-radius: 50%; box-shadow: 0 0 0 85px rgba(53,120,224,.025), 0 0 0 170px rgba(53,120,224,.018), inset 0 0 130px rgba(26,93,221,.08); }
.contact-inner { max-width: 990px; position: relative; z-index: 1; }
.contact-brand { position: absolute; top: 0; left: calc(100% + 60px); width: 260px; display: flex; align-items: center; gap: 18px; color: #8499b7; font: 9px/1.5 Consolas, monospace; letter-spacing: .1em; }
.brand-mark-large { width: 52px; height: 52px; font-size: 27px; flex: 0 0 auto; }
.contact-inner h2 { font-size: clamp(54px, 5.6vw, 88px); margin-bottom: 26px; }
.contact-lead { color: #8c9db5; font-size: 15px; line-height: 1.8; margin: 0 0 55px; }
.contact-actions { display: grid; grid-template-columns: 1.2fr .8fr; gap: 0 46px; max-width: 920px; }
.contact-primary { grid-row: span 2; min-height: 132px; padding: 28px 30px; background: linear-gradient(110deg, #1479ff, #2146f3); display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 18px 60px rgba(19, 73, 218, .25); }
.contact-primary span { font-size: 23px; font-weight: 570; }
.contact-primary b, .contact-link b { font-size: 11px; font-weight: 550; letter-spacing: .05em; }
.contact-link { min-height: 66px; border-top: 1px solid rgba(154,182,219,.18); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #8697ae; }
.contact-link span { font-size: 11px; }
.contact-link b { color: #dbe7f6; }
.contact-company { min-height: 120px; margin-top: 105px; border-top: 1px solid rgba(160,187,223,.17); position: relative; z-index: 1; display: grid; grid-template-columns: 1.3fr .8fr 1fr; }
.contact-company > div { padding: 28px 30px 22px 0; border-right: 1px solid rgba(160,187,223,.14); }
.contact-company > div:not(:first-child) { padding-left: 30px; }
.contact-company > div:last-child { border-right: 0; }
.contact-company span { color: #4d6380; font: 8px/1 Consolas, monospace; letter-spacing: .13em; }
.contact-company p { color: #9baabe; margin: 11px 0 0; font-size: 12px; }

/* Footer */
.site-footer { width: min(1400px, calc(100% - 80px)); min-height: 210px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 50px; align-items: center; color: #59677c; }
.footer-brand { display: flex; align-items: baseline; gap: 16px; }
.footer-brand b { color: #aeb9c9; font-size: 14px; letter-spacing: .16em; }
.footer-brand span { font-size: 10px; }
.site-footer > p { text-align: center; font-size: 12px; }
.footer-meta { display: flex; justify-content: flex-end; gap: 24px; font-size: 9px; line-height: 1.6; }
.footer-meta a { color: #8396b2; }

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

@media (max-width: 900px) {
  .site-header, .hero, .hero-footer { width: min(100% - 40px, 720px); }
  .site-header { height: 82px; }
  .menu-toggle { display: flex; width: 38px; height: 38px; border: 1px solid rgba(123,156,201,.23); background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: white; position: relative; z-index: 12; }
  .menu-toggle span { display: block; width: 16px; height: 1px; background: #b6c6db; transition: .25s ease; }
  .main-nav { position: fixed; inset: 0; background: rgba(2, 7, 19, .97); backdrop-filter: blur(20px); flex-direction: column; align-items: flex-start; justify-content: center; padding: 80px 12vw; gap: 0; visibility: hidden; opacity: 0; transition: .3s ease; }
  .main-nav a { display: block; width: 100%; padding: 18px 0; border-bottom: 1px solid rgba(146,174,210,.14); font-size: 23px; color: #d9e4f2; }
  .main-nav .nav-cta { margin-top: 25px; width: auto; padding: 14px 18px; font-size: 14px; }
  .menu-open { overflow: hidden; }
  .menu-open .main-nav { visibility: visible; opacity: 1; }
  .menu-open .menu-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .brand-cn { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 68px; }
  .hero-system { min-height: 430px; margin-top: 22px; }
  .system-core { width: min(78vw, 390px); }
  .hero-footer span:not(.scroll-cue):not(:first-child) { display: none; }

  .section, .statement, .case-inner, .principle-section, .site-footer { width: min(100% - 40px, 720px); }
  .section { padding: 110px 0; }
  .section-head { grid-template-columns: 1fr; gap: 28px; margin-bottom: 52px; }
  .section-summary { justify-self: start; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card { border-right: 0; border-bottom: 1px solid var(--line); min-height: auto; padding: 30px 24px 34px; }
  .pain-card:last-child { border-bottom: 0; }
  .pain-glyph { height: 130px; }
  .statement { grid-template-columns: 1fr; padding: 55px 0; gap: 24px; }
  .statement-arrow { transform: rotate(90deg); width: min-content; }
  .method-loop { padding: 24px; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .method-step { border-bottom: 1px solid rgba(157,181,213,.12); }
  .method-step:nth-child(2n) { border-right: 0; }
  .method-arrow { display: none; }
  .solution-panel { grid-template-columns: 80px 1fr; }
  .solution-aside { padding: 22px 18px; }
  .solution-main { padding: 42px 35px 36px; }
  .solution-title-row { flex-direction: column; gap: 25px; }
  .solution-items { grid-template-columns: 1fr 1fr; }
  .solution-items > div:nth-child(2n) { border-right: 0; }
  .case-section { padding: 110px 0 95px; }
  .case-head { align-items: flex-start; flex-direction: column; }
  .case-meta { text-align: left; }
  .case-intro { width: 100%; }
  .case-metrics { grid-template-columns: 1fr; }
  .metric-primary { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.24); }
  .metric-list { grid-template-columns: 1fr; }
  .metric-list > div { min-height: 130px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .case-flow { grid-template-columns: 1fr; }
  .case-flow > i { transform: rotate(90deg); width: min-content; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-card:nth-child(2n) { border-right: 0; }
  .capability-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .principle-section { margin-bottom: 110px; padding: 65px 42px 45px; }
  .principle-split { grid-template-columns: 1fr; }
  .contact-section { width: calc(100% - 24px); padding: 90px 44px 0; }
  .contact-brand { position: static; width: auto; margin-bottom: 50px; }
  .contact-actions { grid-template-columns: 1fr; }
  .contact-primary { grid-row: auto; margin-bottom: 24px; }
  .contact-company { grid-template-columns: 1fr; }
  .contact-company > div, .contact-company > div:not(:first-child) { padding: 20px 0; border-right: 0; border-bottom: 1px solid rgba(160,187,223,.14); }
  .site-footer { grid-template-columns: 1fr; gap: 24px; padding: 55px 0; }
  .site-footer > p { text-align: left; }
  .footer-meta { justify-content: flex-start; flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .site-header, .hero, .hero-footer { width: calc(100% - 32px); }
  .site-header { height: 72px; }
  .brand { gap: 9px; }
  .brand-name { font-size: 13px; }
  .brand-mark { width: 28px; height: 28px; }
  .main-nav .nav-cta { padding: 10px 12px; }
  .hero { padding-top: 54px; }
  h1 { font-size: clamp(62px, 21vw, 92px); margin-bottom: 30px; }
  .hero-lead { font-size: 22px; }
  .hero-note { font-size: 14px; line-height: 1.85; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-system { min-height: 360px; }
  .system-label { display: none; }
  .system-metrics { width: 100%; }
  .system-metrics span { font-size: 9px; }

  .section, .statement, .case-inner, .principle-section, .site-footer { width: calc(100% - 32px); }
  .section { padding: 90px 0; }
  .section-head h2, .case-head h2, .contact-inner h2 { font-size: 40px; }
  .desktop-break { display: none; }
  .pain-section { padding-top: 120px; }
  .method-loop { padding: 20px 15px; }
  .method-grid { grid-template-columns: 1fr; }
  .method-step { border-right: 0; min-height: 238px; padding: 20px 14px; }
  .loop-return { flex-wrap: wrap; }
  .loop-return i { flex-basis: 40%; }
  .solution-panel { grid-template-columns: 1fr; }
  .solution-aside { min-height: 68px; border-right: 0; border-bottom: 1px solid var(--line); flex-direction: row; }
  .solution-main { padding: 34px 24px 30px; }
  .solution-title-row h3 { font-size: 30px; }
  .solution-items { grid-template-columns: 1fr; }
  .solution-items > div, .solution-items > div:not(:first-child) { padding: 24px 0; border-right: 0; border-bottom: 1px solid rgba(150,177,212,.11); min-height: auto; }
  .solution-items > div:last-child { border-bottom: 0; }
  .case-section { padding: 90px 0 76px; }
  .metric-primary { padding-right: 0; }
  .metric-primary strong { font-size: 82px; }
  .metric-list > div { padding: 30px 0; }
  .metric-list strong { font-size: 42px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { border-right: 0; border-bottom: 1px solid var(--line); min-height: 450px; }
  .capability-card:last-child { border-bottom: 0; }
  .principle-section { padding: 48px 24px 35px; }
  .principle-section blockquote { font-size: 31px; }
  .principle-split > div { grid-template-columns: 1fr; gap: 8px; }
  .contact-section { padding: 60px 24px 0; min-height: 0; }
  .contact-inner h2 { font-size: 42px; }
  .contact-primary { min-height: 120px; }
  .contact-link { align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
  .contact-company { margin-top: 65px; }
  .footer-brand { flex-direction: column; gap: 8px; }
}