:root {
  --home-bg: #071016;
  --home-bg-deep: #03090e;
  --home-surface: #0d171d;
  --home-surface-light: #142128;
  --home-ink: #e8eff0;
  --home-muted: #9ba9ab;
  --home-dim: #6f7e82;
  --home-line: rgba(196, 218, 219, 0.13);
  --home-line-strong: rgba(196, 218, 219, 0.25);
  --home-accent: #8fc8c7;
  --home-accent-bright: #b5e3e1;
  --home-accent-ink: #071315;
  --home-gutter: clamp(20px, 4.4vw, 72px);
  --home-max: 1600px;
  --home-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --home-display: "Avenir Next", "SF Pro Rounded", "SF Pro Display", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --home-text: "Avenir Next", "SF Pro Text", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --home-mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--home-bg); }
body.public-home {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 80% 8%, rgba(95, 150, 152, .08), transparent 25%),
    var(--home-bg);
  color: var(--home-ink);
  font-family: var(--home-text);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
.public-home a { color: inherit; text-decoration: none; }
.public-home button { color: inherit; font: inherit; }
.public-home img { display: block; max-width: 100%; }
.public-home svg { display: block; }
.public-home :focus-visible { outline: 2px solid var(--home-accent); outline-offset: 4px; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.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;
}
.skip-link {
  position: fixed; left: 18px; top: -80px; z-index: 1000; padding: 10px 16px;
  background: var(--home-ink); color: var(--home-bg) !important; border-radius: 999px;
}
.skip-link:focus { top: 18px; }

.section-shell {
  width: min(100%, var(--home-max)); margin-inline: auto;
  padding-inline: var(--home-gutter);
}
.section-index {
  margin: 0 0 30px; color: var(--home-accent); font: 600 10px/1.2 var(--home-mono);
  letter-spacing: .2em;
}
.section-heading h2, .capabilities-intro h2, .method-heading h2, .assets-heading h2,
.about-intro h2, .contact-copy h2 {
  margin: 0; font-family: var(--home-display); font-size: clamp(42px, 5.4vw, 80px); font-weight: 560;
  line-height: .98; letter-spacing: -.04em; text-wrap: balance;
}

.site-header {
  position: fixed; z-index: 100; inset: 0 0 auto; height: 82px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding-inline: var(--home-gutter); border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, height .35s var(--home-ease);
}
.site-header.is-solid {
  height: 70px; background: rgba(3, 9, 14, .84); border-color: var(--home-line);
  -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px);
}
.brand-signature { display: inline-flex; align-items: center; gap: 14px; width: max-content; font-family: var(--home-display); font-size: 22px; font-weight: 620; letter-spacing: -.035em; }
.brand-symbol { position: relative; display: inline-block; width: 22px; height: 22px; flex: 0 0 auto; }
.brand-symbol::before, .brand-symbol::after { content: ""; position: absolute; inset: 50% auto auto 50%; border: 1px solid var(--home-accent); transform: translate(-50%, -50%) rotate(45deg); }
.brand-symbol::before { width: 15px; height: 15px; }
.brand-symbol::after { width: 4px; height: 4px; background: var(--home-accent); box-shadow: 0 0 18px rgba(143, 200, 199, .65); }
.site-nav { grid-column: 2; display: flex; align-items: center; gap: clamp(28px, 3vw, 52px); color: #b9c4c5; font-family: var(--home-display); font-size: 13px; letter-spacing: .01em; }
.site-nav > a { position: relative; transition: color .25s ease; }
.site-nav > a:not(.nav-login)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px;
  background: var(--home-accent); transition: right .35s var(--home-ease);
}
.site-nav > a:hover { color: var(--home-ink); }
.site-nav > a:hover::after { right: 0; }
.nav-login { padding: 9px 17px; border: 1px solid var(--home-line-strong); border-radius: 999px; }
.nav-login:hover { border-color: rgba(181, 227, 225, .6); }
.header-actions { grid-column: 3; justify-self: end; display: none; align-items: center; gap: 8px; }
.header-login { display: none; min-height: 40px; align-items: center; padding: 8px 16px; border: 1px solid var(--home-line-strong); border-radius: 999px; font-size: 13px; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; background: transparent; border: 0; cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; width: 23px; height: 1px; flex: 0 0 1px; margin: 5px auto; background: currentColor; transition: transform .25s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.hero {
  position: relative; min-height: max(760px, 100svh); overflow: hidden;
  display: flex; align-items: center; padding: 142px var(--home-gutter) 104px;
  isolation: isolate; background: var(--home-bg-deep);
}
.hero::before {
  content: ""; position: absolute; z-index: -1; inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 9, 14, .98) 0%, rgba(3, 9, 14, .9) 39%, rgba(3, 9, 14, .18) 67%, rgba(3, 9, 14, .28) 100%),
    linear-gradient(180deg, rgba(3, 9, 14, .1), transparent 62%, var(--home-bg-deep));
}
.hero-field { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; }
.hero-ambient {
  position: absolute; z-index: -2; left: 52%; top: 18%; width: 48vw; height: 48vw;
  max-width: 820px; max-height: 820px; border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 200, 199, .09), transparent 67%);
  filter: blur(22px); pointer-events: none;
}
.hero-content { position: relative; z-index: 2; width: min(840px, 56vw); }
.system-status { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.system-status span { width: 7px; height: 7px; border-radius: 50%; background: var(--home-accent-bright); box-shadow: 0 0 0 5px rgba(143, 200, 199, .07), 0 0 22px rgba(143, 200, 199, .55); }
.system-status p { margin: 0; color: #b9c6c7; font: 520 10px/1.2 var(--home-mono); letter-spacing: .16em; }
.hero h1 { margin: 0; font-family: var(--home-display); font-size: clamp(56px, 6vw, 96px); line-height: .94; letter-spacing: -.04em; font-weight: 560; text-wrap: balance; }
.hero h1 em { color: var(--home-accent-bright); font-style: normal; font-weight: inherit; }
.hero-summary { width: min(710px, 94%); margin: 36px 0 0; color: #aebabc; font-size: clamp(17px, 1.3vw, 20px); line-height: 1.72; text-wrap: pretty; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; }
.button {
  display: inline-flex; min-height: 52px; align-items: center; justify-content: space-between; gap: 34px;
  padding: 13px 19px 13px 22px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--home-display); font-size: 14px; font-weight: 600; letter-spacing: .01em; transition: transform .3s var(--home-ease), background .25s ease, border-color .25s ease;
}
.button svg { width: 20px; height: 20px; transition: transform .3s var(--home-ease); }
.button:hover { transform: translateY(-2px); }
.button:hover svg { transform: translateX(3px); }
.button-primary { min-width: 190px; background: var(--home-accent); color: var(--home-accent-ink) !important; }
.button-primary:hover { background: var(--home-accent-bright); }
.button-quiet { border-color: var(--home-line-strong); color: var(--home-ink); }
.button-quiet:hover { border-color: rgba(181, 227, 225, .55); background: rgba(143, 200, 199, .04); }
.hero-core-label { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; color: #b7c3c4; font-size: 12px; letter-spacing: .04em; }
.hero-core-label::after { content: ""; width: clamp(44px, 5vw, 90px); height: 1px; background: linear-gradient(90deg, var(--home-line-strong), transparent); }
.hero-core-label span { width: 7px; height: 7px; border: 1px solid var(--home-accent); border-radius: 50%; box-shadow: 0 0 14px rgba(143, 200, 199, .4); }
.hero-core-label-market { right: 8%; top: 25%; }
.hero-core-label-judgement { right: 39%; top: 67%; }
.hero-core-label-feedback { right: 8%; bottom: 14%; }
.scroll-cue { position: absolute; z-index: 3; left: var(--home-gutter); bottom: 28px; display: flex; align-items: center; gap: 12px; color: var(--home-dim); font: 500 9px/1 var(--home-mono); letter-spacing: .15em; }
.scroll-cue svg { width: 16px; height: 16px; color: var(--home-accent); animation: scrollHint 2s ease-in-out infinite; }
@keyframes scrollHint { 0%, 100% { transform: translateY(-2px); opacity: .45; } 50% { transform: translateY(4px); opacity: 1; } }

.system-section { padding-top: clamp(130px, 15vw, 220px); padding-bottom: clamp(110px, 13vw, 190px); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .55fr); align-items: end; gap: 70px; }
.section-heading > p { max-width: 520px; margin: 0 0 4px; color: var(--home-muted); font-size: 16px; line-height: 1.85; text-wrap: pretty; }
.orbit-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); align-items: center; gap: clamp(32px, 5vw, 80px); margin-top: 84px; }
.system-behaviors { display: grid; gap: 0; border-top: 1px solid var(--home-line-strong); }
.system-behaviors article { display: grid; grid-template-columns: 42px 1fr; padding: 24px 0; border-bottom: 1px solid var(--home-line); }
.system-behaviors span { grid-row: 1 / 3; padding-top: 7px; color: var(--home-dim); font: 500 9px/1 var(--home-mono); }
.system-behaviors h3 { margin: 0 0 5px; color: var(--home-accent-bright); font-size: 20px; font-weight: 520; }
.system-behaviors p { margin: 0; color: var(--home-dim); font-size: 12px; line-height: 1.6; }
.orbit-stage { position: relative; height: min(720px, 50vw); min-height: 590px; overflow: hidden; }
.orbit-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.orbit-stage::after {
  content: ""; position: absolute; inset: 10%; pointer-events: none; border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 200, 199, .09), transparent 58%);
}
.orbit-core {
  position: absolute; z-index: 3; left: 50%; top: 50%; width: 210px; height: 210px;
  transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 1px solid rgba(181, 227, 225, .34); border-radius: 50%; text-align: center;
  background: radial-gradient(circle, rgba(143, 200, 199, .17), rgba(10, 23, 29, .8) 48%, rgba(7, 16, 22, .36) 72%);
  box-shadow: 0 0 70px rgba(143, 200, 199, .12), inset 0 0 35px rgba(143, 200, 199, .08);
}
.orbit-core::before, .orbit-core::after { content: ""; position: absolute; border: 1px solid rgba(143, 200, 199, .16); border-radius: 50%; }
.orbit-core::before { inset: -18px; }
.orbit-core::after { inset: 20px; }
.orbit-core .brand-symbol { margin-bottom: 13px; }
.orbit-core strong { font-family: var(--home-display); font-size: 20px; font-weight: 580; letter-spacing: .08em; }
.orbit-core small { margin-top: 5px; color: var(--home-muted); font-size: 11px; letter-spacing: .05em; }
.orbit-nodes { list-style: none; margin: 0; padding: 0; }
.orbit-nodes li {
  position: absolute; z-index: 4; width: 108px; min-height: 76px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 1px solid rgba(181, 227, 225, .25); border-radius: 50%; background: rgba(9, 20, 26, .78);
  -webkit-backdrop-filter: blur(9px); backdrop-filter: blur(9px); text-align: center;
  box-shadow: inset 0 0 24px rgba(143, 200, 199, .04), 0 0 28px rgba(2, 8, 12, .32);
}
.orbit-nodes li::after { content: ""; position: absolute; left: 50%; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--home-accent-bright); box-shadow: 0 0 14px rgba(143, 200, 199, .65); }
.orbit-nodes span { color: var(--home-dim); font: 500 8px/1 var(--home-mono); letter-spacing: .12em; }
.orbit-nodes strong { margin-top: 5px; font-size: 13px; font-weight: 520; }
.orbit-nodes li:nth-child(1) { left: 50%; top: 4%; transform: translateX(-50%); }
.orbit-nodes li:nth-child(2) { right: 9%; top: 20%; }
.orbit-nodes li:nth-child(3) { right: 3%; top: 53%; }
.orbit-nodes li:nth-child(4) { right: 20%; bottom: 5%; }
.orbit-nodes li:nth-child(5) { left: 20%; bottom: 5%; }
.orbit-nodes li:nth-child(6) { left: 3%; top: 53%; }
.orbit-nodes li:nth-child(7) { left: 9%; top: 20%; }

.capabilities-section { padding-top: clamp(90px, 11vw, 160px); padding-bottom: clamp(150px, 18vw, 250px); }
.capabilities-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .65fr); gap: 72px; align-items: end; }
.capabilities-intro > p:last-child { max-width: 520px; margin: 0 0 4px; color: var(--home-muted); line-height: 1.85; }
.capability-flow { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 100px; padding-top: 54px; }
.flow-line { position: absolute; left: 4%; right: 4%; top: 42px; height: 1px; overflow: visible; background: linear-gradient(90deg, transparent, rgba(143, 200, 199, .5) 12%, rgba(143, 200, 199, .17) 88%, transparent); }
.flow-line::before, .flow-line::after { content: ""; position: absolute; top: -120px; width: 34%; height: 240px; border: 1px solid rgba(143, 200, 199, .08); border-radius: 50%; }
.flow-line::before { left: 3%; }
.flow-line::after { right: 3%; }
.flow-line span { position: absolute; top: -4px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--home-accent-bright); box-shadow: 0 0 20px rgba(143, 200, 199, .7); animation: flowSignal 8s linear infinite; }
@keyframes flowSignal { to { left: 100%; } }
.capability { position: relative; min-height: 310px; padding: 38px clamp(22px, 2.4vw, 38px) 20px; border-right: 1px solid var(--home-line); }
.capability:first-of-type { padding-left: 0; }
.capability:last-child { padding-right: 0; border-right: 0; }
.capability i { position: absolute; top: -16px; left: calc(clamp(22px, 2.4vw, 38px) - 4px); width: 9px; height: 9px; border-radius: 50%; background: var(--home-accent); box-shadow: 0 0 0 6px var(--home-bg), 0 0 18px rgba(143, 200, 199, .55); }
.capability:first-of-type i { left: 0; }
.capability-number { display: block; margin-bottom: 30px; color: var(--home-accent); font: 430 clamp(48px, 5vw, 72px)/1 var(--home-display); letter-spacing: -.04em; }
.capability h3 { margin: 0; font-family: var(--home-display); font-size: clamp(22px, 2vw, 32px); font-weight: 560; line-height: 1.12; letter-spacing: -.035em; }
.capability p { max-width: 245px; margin: 80px 0 0; color: var(--home-muted); font-size: 14px; line-height: 1.8; }

.method-section { padding-bottom: clamp(150px, 18vw, 250px); }
.method-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .65fr); gap: 72px; align-items: end; }
.method-heading > p:last-child { max-width: 520px; margin: 0 0 4px; color: var(--home-muted); line-height: 1.85; }
.collaboration-stage { position: relative; min-height: 650px; display: grid; grid-template-columns: 1fr 1fr; margin-top: 92px; overflow: hidden; border-block: 1px solid var(--home-line); }
.collaboration-field { position: relative; min-width: 0; display: flex; flex-direction: column; justify-content: center; text-align: center; }
.collaboration-field > span { position: relative; z-index: 2; font: 430 clamp(52px, 7vw, 108px)/1 var(--home-display); letter-spacing: -.04em; }
.collaboration-field h3 { position: relative; z-index: 2; margin: 18px 0 0; color: var(--home-muted); font-size: 15px; font-weight: 450; }
.field-lines { position: absolute; inset: 11% 0 22%; overflow: hidden; }
.field-lines::before, .field-lines::after { content: ""; position: absolute; top: 50%; width: 105%; height: 56%; border-radius: 50%; border: 1px solid rgba(143, 200, 199, .16); }
.ai-field .field-lines::before { right: -8%; transform: translateY(-50%) rotate(8deg); box-shadow: 0 -20px 50px rgba(83, 155, 159, .08); }
.ai-field .field-lines::after { right: -2%; transform: translateY(-36%) rotate(-5deg); }
.human-field .field-lines::before { left: -8%; transform: translateY(-50%) rotate(-8deg); border-color: rgba(224, 218, 204, .14); box-shadow: 0 -20px 50px rgba(224, 218, 204, .06); }
.human-field .field-lines::after { left: -2%; transform: translateY(-36%) rotate(5deg); border-color: rgba(224, 218, 204, .1); }
.ai-field { color: var(--home-accent-bright); background: radial-gradient(ellipse at 70% 50%, rgba(71, 136, 140, .11), transparent 62%); }
.human-field { color: #d9d7cf; background: radial-gradient(ellipse at 30% 50%, rgba(207, 202, 187, .07), transparent 62%); }
.decision-axis { position: absolute; z-index: 5; left: 50%; top: 17%; bottom: 26%; width: 1px; background: linear-gradient(transparent, var(--home-accent-bright), transparent); }
.decision-axis span { position: absolute; left: 50%; top: 47%; width: 8px; height: 8px; transform: translate(-50%, -50%) rotate(45deg); background: var(--home-ink); box-shadow: 0 0 28px var(--home-accent); }
.decision-axis i { position: absolute; left: 50%; top: 47%; width: 74px; height: 74px; transform: translate(-50%, -50%); border: 1px solid rgba(143, 200, 199, .18); border-radius: 50%; }
.system-memory {
  position: absolute; z-index: 6; left: 10%; right: 10%; bottom: 42px; min-height: 132px;
  display: flex; align-items: center; justify-content: center; gap: 20px;
  border: 1px solid rgba(143, 200, 199, .2); border-radius: 50%;
  background: radial-gradient(ellipse, rgba(143, 200, 199, .09), rgba(7, 16, 22, .4) 58%, transparent 72%);
}
.system-memory strong { display: block; font-family: var(--home-display); font-size: 22px; font-weight: 560; letter-spacing: -.025em; }
.system-memory p { margin: 2px 0 0; color: var(--home-muted); font-size: 13px; }

.assets-section { position: relative; padding: clamp(120px, 14vw, 210px) 0 clamp(140px, 16vw, 230px); background: #081219; border-block: 1px solid var(--home-line); overflow: hidden; }
.assets-section::before { content: ""; position: absolute; left: 0; right: 0; bottom: 8%; height: 1px; background: linear-gradient(90deg, transparent, rgba(143, 200, 199, .16), transparent); box-shadow: 0 0 55px rgba(143, 200, 199, .15); }
.assets-heading { display: grid; grid-template-columns: 1.25fr .62fr; gap: 72px; align-items: end; }
.assets-heading > p { max-width: 520px; margin: 0 0 4px; color: var(--home-muted); line-height: 1.85; }
.asset-stage { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(12px, 1.4vw, 22px); margin-top: 90px; padding-top: 56px; }
.asset-flow { position: absolute; z-index: 4; left: 0; top: 43%; width: 100%; height: 140px; overflow: visible; pointer-events: none; }
.asset-flow path { fill: none; stroke: rgba(143, 200, 199, .42); stroke-width: 1; }
.asset-flow circle { fill: var(--home-accent-bright); filter: drop-shadow(0 0 8px var(--home-accent)); }
.asset-layer {
  position: relative; min-height: 420px; overflow: hidden; padding: 28px 24px;
  border: 1px solid rgba(196, 218, 219, .17); border-radius: 22px 22px 8px 8px;
  background: linear-gradient(150deg, rgba(28, 44, 53, .78), rgba(10, 20, 27, .58));
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  box-shadow: inset 0 1px rgba(255,255,255,.03), 0 34px 80px rgba(0,0,0,.16);
}
.asset-layer:nth-of-type(2) { transform: translateY(24px); }
.asset-layer:nth-of-type(3) { transform: translateY(-12px); }
.asset-layer:nth-of-type(4) { transform: translateY(18px); }
.asset-layer > span { color: var(--home-accent); font: 500 9px/1 var(--home-mono); letter-spacing: .12em; }
.asset-layer h3 { margin: 14px 0 0; font-family: var(--home-display); font-size: clamp(22px, 2vw, 30px); font-weight: 560; letter-spacing: -.03em; }
.asset-layer p { max-width: 220px; margin: 6px 0 0; color: var(--home-muted); font-size: 12px; line-height: 1.65; }
.asset-pattern { position: absolute; inset: 42% 22px 24px; opacity: .72; }
.pattern-signal { background-image: radial-gradient(circle, rgba(143,200,199,.68) 1px, transparent 1px); background-size: 18px 18px; mask-image: radial-gradient(circle at 50% 55%, rgb(7, 16, 22), transparent 72%); }
.pattern-creative { background: linear-gradient(145deg, transparent 20%, rgba(143,200,199,.13) 21% 22%, transparent 23% 42%, rgba(143,200,199,.18) 43% 44%, transparent 45%); }
.pattern-creative::before, .pattern-creative::after { content: ""; position: absolute; border: 1px solid rgba(143,200,199,.22); background: rgba(143,200,199,.03); }
.pattern-creative::before { width: 55%; height: 34%; left: 8%; top: 18%; }
.pattern-creative::after { width: 48%; height: 28%; right: 4%; bottom: 13%; }
.pattern-operation { background: linear-gradient(90deg, transparent 10%, rgba(143,200,199,.22) 10% 11%, transparent 11% 42%, rgba(143,200,199,.22) 42% 43%, transparent 43% 76%, rgba(143,200,199,.22) 76% 77%, transparent 77%); }
.pattern-operation::before { content: ""; position: absolute; inset: 18% 0; border-block: 1px solid rgba(143,200,199,.22); transform: skewY(-8deg); }
.pattern-organization { background: radial-gradient(circle at 18% 22%, rgba(143,200,199,.48) 0 3px, transparent 4px), radial-gradient(circle at 76% 28%, rgba(143,200,199,.48) 0 3px, transparent 4px), radial-gradient(circle at 46% 72%, rgba(143,200,199,.48) 0 3px, transparent 4px); }
.pattern-organization::before { content: ""; position: absolute; inset: 18% 12%; border: 1px solid rgba(143,200,199,.18); transform: rotate(18deg); }

.about-section { position: relative; padding-top: clamp(140px, 16vw, 220px); padding-bottom: clamp(130px, 15vw, 210px); overflow: hidden; }
.about-intro { position: relative; z-index: 2; width: min(1240px, 94%); }
.about-intro h2 { max-width: 1120px; font-size: clamp(54px, 7.1vw, 108px); }
.about-intro > p:last-child { max-width: 820px; margin: 44px 0 0; color: var(--home-muted); font-size: clamp(17px, 1.35vw, 21px); line-height: 1.85; text-wrap: pretty; }
.about-model { position: relative; z-index: 3; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 68px); margin-top: 110px; }
.about-model article { min-height: 220px; padding: 34px 4px 38px; border-block: 1px solid var(--home-line); background: linear-gradient(110deg, rgba(143, 200, 199, .035), transparent 64%); }
.about-model article:first-child { transform: translateY(18px) rotate(-.35deg); }
.about-model article:last-child { transform: rotate(.35deg); }
.about-model span { color: var(--home-accent); font: 560 10px/1.2 var(--home-mono); letter-spacing: .14em; }
.about-model h3 { max-width: 630px; margin: 28px 0 0; font-family: var(--home-display); font-size: clamp(22px, 2.15vw, 34px); font-weight: 520; line-height: 1.42; letter-spacing: -.035em; text-wrap: balance; }
.about-horizon { position: absolute; left: 38%; right: -12%; top: 18%; height: 160px; border-bottom: 1px solid rgba(143, 200, 199, .22); transform: perspective(640px) rotateX(65deg) rotateZ(-3deg); box-shadow: 0 34px 70px rgba(143, 200, 199, .1); }
.about-horizon::before, .about-horizon::after { content: ""; position: absolute; left: 0; right: 0; border-top: 1px solid rgba(143, 200, 199, .075); }
.about-horizon::before { top: 34%; }
.about-horizon::after { top: 68%; }
.about-horizon span { position: absolute; left: 63%; bottom: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--home-ink); box-shadow: 0 0 38px 14px rgba(143, 200, 199, .28); }

.contact-section {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 300px); gap: clamp(56px, 9vw, 150px); align-items: center;
  padding-top: clamp(110px, 12vw, 170px); padding-bottom: clamp(110px, 12vw, 170px); border-top: 1px solid var(--home-line);
}
.contact-copy h2 { max-width: 850px; }
.contact-intro { max-width: 620px; margin: 38px 0 0; color: var(--home-muted); font-size: clamp(16px, 1.25vw, 19px); line-height: 1.8; text-wrap: pretty; }
.contact-direct { max-width: 650px; margin-top: 48px; }
.contact-phone {
  display: grid; grid-template-columns: minmax(84px, .5fr) minmax(210px, 1fr) 24px; align-items: center; gap: 18px;
  min-height: 92px; padding: 18px 0; border-block: 1px solid var(--home-line-strong);
  transition: color .25s ease, border-color .25s ease;
}
.contact-phone:hover { color: var(--home-accent-bright); border-color: rgba(181, 227, 225, .52); }
.contact-phone > span { color: var(--home-muted); font-size: 12px; }
.contact-phone strong { font-family: var(--home-display); font-size: clamp(27px, 2.6vw, 40px); font-weight: 520; line-height: 1; letter-spacing: -.025em; }
.contact-phone svg { width: 24px; height: 24px; transition: transform .3s var(--home-ease); }
.contact-phone:hover svg { transform: translateX(4px); }
.contact-direct > .button { margin-top: 22px; }
.contact-qr { position: relative; width: min(100%, 286px); justify-self: end; }
.contact-qr-frame {
  overflow: hidden; padding: 9px; border-radius: 10px; background: #f5f7f5;
  box-shadow: 0 0 0 1px rgba(181, 227, 225, .18), 11px 11px 0 rgba(143, 200, 199, .04);
}
.contact-qr-frame img { width: 100%; height: auto; }
.contact-qr-caption { display: grid; gap: 4px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--home-line); }
.contact-qr-caption span { color: var(--home-accent); font: 560 9px/1.45 var(--home-mono); letter-spacing: .12em; }
.contact-qr-caption strong { font-family: var(--home-display); font-size: 17px; font-weight: 560; line-height: 1.2; }
.contact-qr-caption small { color: var(--home-dim); font-size: 11px; line-height: 1.5; }
.site-footer { min-height: 124px; display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 28px; padding: 30px var(--home-gutter); border-top: 1px solid var(--home-line); color: var(--home-dim); font-size: 11px; }
.site-footer .brand-signature { color: var(--home-ink); font-size: 18px; }
.site-footer > p { margin: 0; text-align: center; font: 500 9px/1.2 var(--home-mono); letter-spacing: .18em; }
.site-footer > div { display: flex; justify-content: flex-end; gap: 28px; }
.site-footer a:last-child { color: var(--home-ink); }

.reveal { opacity: 1; transform: none; }
@supports (animation-timeline: view()) {
  .reveal { animation: revealUp both linear; animation-timeline: view(); animation-range: entry 5% cover 28%; }
  .hero .reveal { animation: heroIn .8s var(--home-ease) both; animation-timeline: auto; }
  .hero .reveal:nth-child(2) { animation-delay: .08s; }
  .hero .reveal:nth-child(3) { animation-delay: .16s; }
  .hero .reveal:nth-child(4) { animation-delay: .24s; }
}
@keyframes revealUp { from { opacity: .25; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes heroIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

@media (max-width: 1120px) {
  .site-nav { gap: 20px; }
  .hero-content { width: min(700px, 58vw); }
  .hero-core-label-judgement { right: 34%; }
  .orbit-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 30px; }
  .capability p { margin-top: 58px; }
  .assets-heading { grid-template-columns: 1.1fr .6fr; }
}

@media (max-width: 860px) {
  .site-header { height: 70px; grid-template-columns: 1fr auto; }
  .header-actions { display: flex; grid-column: 2; }
  .header-login, .menu-toggle { display: inline-flex; }
  .menu-toggle { flex-direction: column; justify-content: center; }
  .site-nav {
    position: fixed; inset: 0; z-index: -1; display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
    gap: 24px; padding: 100px var(--home-gutter); background: rgba(3, 9, 14, .98); font-size: 25px;
    opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .3s ease, transform .3s var(--home-ease), visibility .3s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav .nav-login { display: none; }
  .hero { min-height: 900px; align-items: flex-start; padding-top: 142px; padding-bottom: 100px; }
  .hero::before { background: linear-gradient(180deg, rgba(3,9,14,.99) 0%, rgba(3,9,14,.82) 52%, rgba(3,9,14,.12) 78%, var(--home-bg-deep) 100%); }
  .hero-field { top: 33%; height: 67%; }
  .hero-ambient { left: 12%; top: 46%; width: 78vw; height: 78vw; }
  .hero-content { width: 100%; text-align: center; }
  .system-status { justify-content: center; }
  .hero-summary { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-core-label { font-size: 11px; }
  .hero-core-label::after { display: none; }
  .hero-core-label-market { left: 10%; right: auto; top: 67%; }
  .hero-core-label-judgement { right: 9%; top: 67%; }
  .hero-core-label-feedback { left: 50%; right: auto; bottom: 9%; transform: translateX(-50%); }
  .scroll-cue { display: none; }
  .section-heading, .assets-heading { grid-template-columns: 1fr; gap: 34px; }
  .contact-section { grid-template-columns: minmax(0, 1fr) minmax(230px, 280px); gap: 48px; }
  .section-heading > p, .assets-heading > p { max-width: 560px; }
  .orbit-layout { grid-template-columns: 1fr; }
  .system-behaviors { grid-template-columns: repeat(3, 1fr); }
  .system-behaviors article { grid-template-columns: 30px 1fr; border-right: 1px solid var(--home-line); padding: 20px 16px; }
  .system-behaviors article:last-child { border-right: 0; }
  .orbit-stage { height: 690px; min-height: 0; }
  .capabilities-intro, .method-heading { grid-template-columns: 1fr; gap: 20px; }
  .capabilities-intro .section-index, .method-heading .section-index { padding-top: 0; }
  .capability-flow { grid-template-columns: 1fr 1fr; row-gap: 0; }
  .flow-line { display: none; }
  .capability { border-top: 1px solid var(--home-line); }
  .capability:nth-of-type(2) { border-right: 0; }
  .capability:nth-of-type(3), .capability:nth-of-type(4) { border-top: 1px solid var(--home-line); }
  .capability i { top: -5px; }
  .collaboration-stage { min-height: 590px; }
  .asset-stage { grid-template-columns: 1fr 1fr; }
  .asset-layer:nth-of-type(2), .asset-layer:nth-of-type(3), .asset-layer:nth-of-type(4) { transform: none; }
  .asset-flow { display: none; }
  .about-model { grid-template-columns: 1fr; margin-top: 76px; }
  .about-model article:first-child, .about-model article:last-child { transform: none; }
}

@media (max-width: 560px) {
  :root { --home-gutter: 20px; }
  .brand-signature { font-size: 20px; }
  .brand-symbol { width: 20px; height: 20px; }
  .header-login { min-height: 38px; padding-inline: 14px; font-size: 12px; }
  .hero { min-height: 880px; padding-top: 128px; }
  .hero h1 { font-size: clamp(42px, 12.5vw, 58px); line-height: 1.12; }
  .hero-summary { margin-top: 26px; font-size: 15px; line-height: 1.8; }
  .system-status { margin-bottom: 24px; }
  .system-status p { font-size: 8px; letter-spacing: .13em; }
  .hero-actions { margin-top: 30px; }
  .hero-actions .button-quiet { display: none; }
  .button-primary { width: min(100%, 300px); }
  .hero-field { top: 42%; height: 58%; }
  .hero-core-label-market, .hero-core-label-judgement { top: 69%; }
  .hero-core-label-market { left: 5%; }
  .hero-core-label-judgement { right: 5%; }
  .hero-core-label-feedback { bottom: 6%; }
  .section-heading h2, .capabilities-intro h2, .method-heading h2, .assets-heading h2,
  .about-intro h2, .contact-copy h2 { font-size: 39px; }
  .system-section { padding-top: 105px; }
  .orbit-layout { margin-top: 56px; }
  .system-behaviors { grid-template-columns: 1fr; }
  .system-behaviors article { border-right: 0; }
  .orbit-stage { height: 590px; margin-inline: -10px; }
  .orbit-core { width: 138px; height: 138px; }
  .orbit-core strong { font-size: 15px; }
  .orbit-core small { font-size: 9px; }
  .orbit-nodes li { width: 90px; min-height: 58px; }
  .orbit-nodes strong { font-size: 11px; }
  .orbit-nodes li:nth-child(1) { top: 3%; }
  .orbit-nodes li:nth-child(2) { right: 0; top: 19%; }
  .orbit-nodes li:nth-child(3) { right: -2%; top: 52%; }
  .orbit-nodes li:nth-child(4) { right: 14%; bottom: 5%; }
  .orbit-nodes li:nth-child(5) { left: 14%; bottom: 5%; }
  .orbit-nodes li:nth-child(6) { left: -2%; top: 52%; }
  .orbit-nodes li:nth-child(7) { left: 0; top: 19%; }
  .capabilities-section { padding-bottom: 150px; }
  .capability-flow { grid-template-columns: 1fr; margin-top: 60px; padding-top: 0; }
  .capability { min-height: 245px; padding: 30px 0 26px; border-right: 0; }
  .capability i { left: 0; }
  .capability p { margin-top: 46px; }
  .collaboration-stage { min-height: 690px; grid-template-columns: 1fr; }
  .collaboration-field { min-height: 270px; }
  .collaboration-field > span { font-size: 64px; }
  .decision-axis { left: 20%; right: 20%; top: 50%; bottom: auto; width: auto; height: 1px; background: linear-gradient(90deg, transparent, var(--home-accent-bright), transparent); }
  .system-memory { left: 7%; right: 7%; bottom: 20px; min-height: 110px; }
  .asset-stage { grid-template-columns: 1fr; margin-top: 58px; }
  .asset-layer { min-height: 300px; }
  .assets-heading { gap: 30px; }
  .about-section { min-height: 0; padding-top: 120px; padding-bottom: 120px; }
  .about-intro { width: 100%; }
  .about-intro h2 { font-size: 44px; line-height: 1.02; }
  .about-intro > p:last-child { margin-top: 30px; font-size: 15px; }
  .about-model { margin-top: 64px; }
  .about-model article { min-height: 0; padding-block: 28px; }
  .about-model h3 { margin-top: 20px; font-size: 23px; }
  .about-horizon { left: 4%; right: -110%; top: 20%; }
  .contact-section { padding-top: 100px; padding-bottom: 100px; }
  .contact-section { grid-template-columns: 1fr; gap: 64px; }
  .contact-intro { margin-top: 28px; font-size: 15px; }
  .contact-direct { margin-top: 38px; }
  .contact-phone { grid-template-columns: 1fr 24px; gap: 12px; }
  .contact-phone > span { grid-column: 1; }
  .contact-phone strong { grid-column: 1; font-size: 30px; }
  .contact-phone svg { grid-column: 2; grid-row: 1 / 3; }
  .contact-direct > .button { width: min(100%, 300px); }
  .contact-qr { width: min(100%, 246px); justify-self: start; }
  .contact-qr-frame { padding: 8px; box-shadow: 0 0 0 1px rgba(181, 227, 225, .18), 8px 8px 0 rgba(143, 200, 199, .04); }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
  .site-footer > p { text-align: left; }
  .site-footer > div { justify-content: flex-start; }
}

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