:root {
  --navy-950: #040b14;
  --navy-900: #07111f;
  --navy-850: #0a1627;
  --navy-800: #0e1c30;
  --navy-700: #162945;
  --blue: #3455a5;
  --blue-light: #8da7ff;
  --green: #72cc88;
  --green-bright: #9ae2aa;
  --ink: #101b29;
  --muted: #667180;
  --line: #dce1e6;
  --paper: #f4f6f7;
  --white: #ffffff;
  --font-sans: Inter, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
button, input, select, textarea { color: inherit; font: inherit; }
button { border: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p, h1, h2, h3, ul, ol { margin-top: 0; }
::selection { background: var(--green); color: var(--navy-900); }

.skip-link { position: fixed; z-index: 2000; top: 12px; left: 12px; padding: 12px 18px; background: var(--white); color: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 96px), 1360px); margin-inline: auto; }
.section { position: relative; padding: 136px 0; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; color: #516071; font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .14em; line-height: 1.4; text-transform: uppercase; }
.eyebrow-light { color: rgba(223, 233, 248, .62); }
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(114, 204, 136, .1); animation: pulse 2.4s infinite; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 80px; align-items: end; margin-bottom: 72px; }
.section-heading h2, .brain-copy h2, .about-copy h2 { margin-bottom: 0; font-size: clamp(42px, 4.4vw, 64px); font-weight: 560; letter-spacing: -.055em; line-height: 1.16; }
.section-heading > p { margin-bottom: 3px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.section-heading-dark h2 { color: var(--white); }
.section-heading-dark > p { color: rgba(218, 228, 241, .62); }
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
.js .reveal-delay { transition-delay: .16s; }

.site-header { position: fixed; z-index: 1000; top: 18px; right: 0; left: 0; pointer-events: none; }
.nav-shell { position: relative; display: flex; width: min(calc(100% - 48px), 1500px); height: 70px; padding: 0 12px 0 22px; border: 1px solid rgba(255, 255, 255, .15); border-radius: 10px; margin-inline: auto; align-items: center; justify-content: space-between; gap: 32px; background: linear-gradient(135deg, rgba(25, 42, 63, .44), rgba(8, 18, 31, .24)); box-shadow: 0 14px 44px rgba(0, 0, 0, .12), inset 0 1px 0 rgba(255, 255, 255, .05); backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%); pointer-events: auto; transition: background .35s, border-color .35s, box-shadow .35s; }
.site-header.is-scrolled .nav-shell, body.menu-open .nav-shell { border-color: rgba(255, 255, 255, .14); background: rgba(5, 14, 25, .34); box-shadow: 0 16px 48px rgba(0, 0, 0, .12), inset 0 1px 0 rgba(255, 255, 255, .05); backdrop-filter: blur(26px) saturate(140%); -webkit-backdrop-filter: blur(26px) saturate(140%); }
.brand { flex: 0 0 auto; }
.brand img { width: 238px; height: auto; }
.primary-nav { display: flex; align-items: center; gap: clamp(20px, 2.2vw, 38px); }
.primary-nav a { position: relative; padding: 23px 0; color: rgba(237, 243, 251, .7); font-size: 13px; transition: color .25s; }
.primary-nav a::after { position: absolute; right: 0; bottom: 15px; left: 0; height: 1px; background: var(--green); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--white); }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-cta { display: flex; min-height: 43px; padding: 0 18px; border: 1px solid rgba(255, 255, 255, .3); align-items: center; gap: 22px; color: var(--white); font-size: 12px; transition: background .25s, border-color .25s, color .25s; }
.nav-cta:hover, .nav-cta:focus-visible { border-color: var(--green); background: var(--green); color: var(--navy-900); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(255, 255, 255, .24); background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 5px auto; background: var(--white); transition: transform .25s; }
body.menu-open .menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
body.menu-open .menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }

.hero { position: relative; display: flex; min-height: max(820px, 100svh); padding: 148px 0 38px; overflow: hidden; background: var(--navy-900); color: var(--white); flex-direction: column; }
.hero-grid, .about-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(143, 166, 205, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(143, 166, 205, .16) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
.hero-grid::after { position: absolute; inset: 0; background: linear-gradient(90deg, var(--navy-900) 0%, transparent 30%, transparent 75%, var(--navy-900) 100%); content: ""; }
.hero-glow { position: absolute; top: -20%; right: -8%; width: 850px; height: 850px; border-radius: 50%; background: radial-gradient(circle, rgba(63, 99, 184, .23), rgba(45, 74, 142, .07) 45%, transparent 70%); }
.hero-layout { position: relative; z-index: 1; display: grid; flex: 1; grid-template-columns: minmax(0, 1.05fr) minmax(470px, .95fr); gap: clamp(40px, 5vw, 84px); align-items: center; }
.hero-copy { padding: 36px 0; }
.hero-copy .eyebrow { margin-bottom: 30px; }
.hero h1 { margin-bottom: 32px; font-size: clamp(52px, 4.9vw, 74px); font-weight: 540; letter-spacing: -.065em; line-height: 1.13; }
.hero h1 span { background: linear-gradient(100deg, var(--green-bright), #a5b9ff 80%); background-clip: text; -webkit-background-clip: text; color: transparent; }
.hero-lead { max-width: 590px; margin-bottom: 36px; color: rgba(224, 233, 245, .68); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 54px; padding: 0 24px; border: 1px solid transparent; align-items: center; justify-content: space-between; gap: 34px; font-size: 14px; font-weight: 550; cursor: pointer; transition: background .25s, color .25s, border-color .25s, transform .25s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--green); color: var(--navy-900); }
.button-primary:hover, .button-primary:focus-visible { background: #a0e6b1; }
.button-ghost { border-color: rgba(255, 255, 255, .24); background: rgba(255, 255, 255, .02); color: var(--white); }
.button-ghost:hover, .button-ghost:focus-visible { border-color: rgba(255, 255, 255, .6); background: rgba(255, 255, 255, .06); }
.hero-proof { display: grid; max-width: 600px; margin: 48px 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255, 255, 255, .12); list-style: none; grid-template-columns: repeat(4, 1fr); }
.hero-proof li { display: flex; color: rgba(234, 240, 249, .76); font-size: 12px; flex-direction: column; gap: 8px; }
.hero-proof li span { color: rgba(138, 160, 193, .5); font-family: var(--font-mono); font-size: 10px; }
.hero-visual { width: 100%; max-width: 590px; justify-self: end; }
.visual-frame { position: relative; border: 1px solid rgba(157, 180, 218, .22); background: rgba(10, 24, 42, .8); box-shadow: 0 40px 100px rgba(0, 0, 0, .32); backdrop-filter: blur(10px); }
.visual-frame::before { position: absolute; z-index: -1; inset: 16px -16px -16px 16px; border: 1px solid rgba(157, 180, 218, .08); content: ""; }
.visual-topbar { display: grid; height: 48px; padding: 0 16px; border-bottom: 1px solid rgba(157, 180, 218, .14); align-items: center; color: rgba(202, 216, 237, .5); font-family: var(--font-mono); font-size: 9px; letter-spacing: .08em; grid-template-columns: 1fr auto 1fr; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 5px; height: 5px; border: 1px solid rgba(255, 255, 255, .32); border-radius: 50%; }
.online-status { display: flex; align-items: center; justify-self: end; gap: 6px; color: var(--green); }
.online-status i, .loop-header i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.core-stage { position: relative; height: 420px; overflow: hidden; background: radial-gradient(circle at 50% 52%, rgba(66, 97, 165, .17), transparent 45%); }
.core-connections { position: absolute; inset: 0; width: 100%; height: 100%; }
.core-connections path { fill: none; stroke: url(#lineGradient); stroke-width: 1.1; stroke-dasharray: 5 7; animation: dash 12s linear infinite; }
.core-connections circle { fill: var(--green); filter: drop-shadow(0 0 5px var(--green)); }
.orbit { position: absolute; top: 53%; left: 50%; border: 1px solid rgba(135, 160, 204, .15); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit::before { position: absolute; top: 50%; left: -3px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue-light); box-shadow: 0 0 10px var(--blue-light); content: ""; }
.orbit-one { width: 280px; height: 280px; animation: orbit-spin 18s linear infinite; }
.orbit-two { width: 350px; height: 350px; border-style: dashed; animation: orbit-spin 28s linear infinite reverse; }
.core-center { position: absolute; z-index: 2; top: 53%; left: 50%; display: flex; width: 178px; height: 178px; border: 1px solid rgba(135, 224, 160, .52); border-radius: 50%; background: radial-gradient(circle at 40% 30%, #1c3d4a, #0b1c2c 68%); align-items: center; justify-content: center; box-shadow: 0 0 60px rgba(96, 201, 130, .12), inset 0 0 30px rgba(114, 204, 136, .06); text-align: center; transform: translate(-50%, -50%); flex-direction: column; }
.core-center::before { position: absolute; inset: 7px; border: 1px solid rgba(255, 255, 255, .06); border-radius: inherit; content: ""; }
.core-center > span { margin-bottom: 10px; color: var(--green); font-family: var(--font-mono); font-size: 8px; letter-spacing: .13em; }
.core-center strong { font-size: 25px; font-weight: 540; letter-spacing: .08em; line-height: 1.3; }
.core-center small { margin-top: 10px; color: rgba(222, 234, 245, .46); font-size: 8px; }
.core-node { position: absolute; z-index: 3; display: flex; width: 116px; min-height: 59px; padding: 10px 12px; border: 1px solid rgba(150, 175, 213, .2); background: rgba(12, 28, 47, .88); box-shadow: 0 10px 30px rgba(0, 0, 0, .16); flex-direction: column; }
.core-node > span { position: absolute; top: 9px; right: 10px; color: rgba(160, 182, 215, .36); font-family: var(--font-mono); font-size: 8px; }
.core-node strong { color: rgba(245, 248, 253, .9); font-size: 12px; font-weight: 500; }
.core-node small { margin-top: 6px; color: rgba(146, 169, 202, .46); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.node-a { top: 64px; left: 20px; }
.node-b { top: 64px; right: 20px; }
.node-c { bottom: 44px; left: 12px; }
.node-d { right: 12px; bottom: 44px; }
.node-e { top: 14px; left: 50%; transform: translateX(-50%); }
.visual-flow { display: grid; padding: 18px; border-top: 1px solid rgba(157, 180, 218, .14); border-bottom: 1px solid rgba(157, 180, 218, .14); align-items: center; gap: 10px; grid-template-columns: 1fr auto 1fr auto 1fr; }
.visual-flow div { display: flex; min-width: 0; flex-direction: column; gap: 6px; }
.visual-flow span { color: rgba(149, 173, 207, .42); font-family: var(--font-mono); font-size: 8px; letter-spacing: .08em; }
.visual-flow strong { overflow: hidden; color: rgba(233, 240, 249, .72); font-size: 10px; font-weight: 450; text-overflow: ellipsis; white-space: nowrap; }
.visual-flow > i { color: rgba(255, 255, 255, .25); font-style: normal; }
.visual-flow .flow-active strong { color: var(--green-bright); }
.visual-caption { display: flex; height: 38px; padding: 0 16px; align-items: center; justify-content: space-between; color: rgba(164, 184, 213, .38); font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em; }
.hero-bottom { position: relative; z-index: 1; display: flex; margin-top: 36px; align-items: end; justify-content: space-between; color: rgba(157, 177, 207, .36); font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em; }
.hero-bottom a { display: flex; align-items: center; gap: 12px; color: rgba(218, 228, 240, .55); font-family: var(--font-sans); font-size: 11px; letter-spacing: 0; }
.hero-bottom a i { position: relative; display: block; width: 1px; height: 34px; overflow: hidden; background: rgba(255, 255, 255, .15); }
.hero-bottom a i::after { position: absolute; top: -100%; left: 0; width: 100%; height: 70%; background: var(--green); content: ""; animation: scroll-line 2s infinite; }

.trust-bar { padding: 42px 0; border-bottom: 1px solid var(--line); background: var(--white); }
.trust-grid { display: grid; align-items: stretch; grid-template-columns: 1.35fr repeat(4, 1fr); }
.trust-intro { display: flex; padding-right: 34px; justify-content: center; flex-direction: column; }
.trust-intro span { margin-bottom: 10px; color: #85909d; font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em; }
.trust-intro strong { font-size: 15px; font-weight: 550; line-height: 1.65; }
.trust-item { position: relative; display: flex; min-height: 84px; padding: 3px 22px; border-left: 1px solid var(--line); justify-content: center; flex-direction: column; }
.trust-item > span { position: absolute; top: 0; right: 16px; color: #b5bdc6; font-family: var(--font-mono); font-size: 9px; }
.trust-item p { margin-bottom: 7px; color: #7a8591; font-size: 11px; }
.trust-item strong { font-size: 13px; font-weight: 560; line-height: 1.55; }

.challenges { background: var(--paper); }
.challenge-grid { display: grid; border-top: 1px solid var(--line); border-left: 1px solid var(--line); grid-template-columns: repeat(3, 1fr); }
.challenge-card { position: relative; display: flex; min-height: 390px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .54); flex-direction: column; transition: background .3s, transform .3s var(--ease); }
.challenge-card:hover { z-index: 1; background: var(--white); transform: translateY(-6px); }
.card-number { margin-bottom: 48px; color: #c8d0d7; font-family: var(--font-mono); font-size: 54px; font-weight: 300; letter-spacing: -.08em; }
.card-kicker { margin-bottom: 12px; color: #8a96a2; font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; }
.challenge-card h3 { margin-bottom: 20px; font-size: 25px; font-weight: 560; letter-spacing: -.03em; }
.challenge-card > p:not(.card-kicker) { margin-bottom: 34px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.card-answer { display: flex; margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); flex-direction: column; gap: 8px; }
.card-answer span { color: #8b96a1; font-size: 10px; }
.card-answer strong { color: var(--blue); font-size: 12px; font-weight: 560; line-height: 1.6; }

.blueprint { overflow: hidden; background: var(--navy-900); color: var(--white); }
.blueprint-grid-bg { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(143, 166, 205, .15) 1px, transparent 1px), linear-gradient(90deg, rgba(143, 166, 205, .15) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, transparent, black 25%, black 80%, transparent); }
.blueprint-shell { position: relative; border: 1px solid rgba(146, 170, 207, .2); background: rgba(8, 20, 35, .88); box-shadow: 0 40px 90px rgba(0, 0, 0, .22); }
.brain-rail { position: relative; display: grid; width: 100%; min-height: 90px; padding: 20px 30px; border-bottom: 1px solid rgba(146, 170, 207, .18); background: linear-gradient(90deg, rgba(42, 70, 128, .36), rgba(30, 69, 66, .22)); align-items: center; color: var(--white); text-align: left; cursor: pointer; gap: 22px; grid-template-columns: 160px 1.1fr 1fr 1fr 24px; transition: background .3s; }
.brain-rail:hover, .brain-rail:focus-visible { background: linear-gradient(90deg, rgba(53, 87, 157, .5), rgba(43, 95, 78, .32)); }
.rail-label { color: var(--green); font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; }
.brain-rail strong { font-size: 18px; font-weight: 540; }
.brain-rail > span:not(.rail-label) { color: rgba(222, 232, 246, .64); font-size: 12px; }
.brain-rail i { color: rgba(157, 179, 211, .42); font-family: var(--font-mono); font-size: 8px; font-style: normal; letter-spacing: .08em; }
.brain-rail b { color: var(--green); font-size: 18px; font-weight: 400; }
.blueprint-workspace { display: grid; min-height: 610px; grid-template-columns: 174px minmax(0, 1fr) 292px; }
.stage-selector { display: flex; border-right: 1px solid rgba(146, 170, 207, .16); flex-direction: column; }
.stage-selector button { position: relative; display: grid; min-height: 112px; padding: 20px; border-bottom: 1px solid rgba(146, 170, 207, .13); background: transparent; align-content: center; color: rgba(226, 235, 247, .46); text-align: left; cursor: pointer; gap: 5px; grid-template-columns: 28px 1fr; transition: background .25s, color .25s; }
.stage-selector button::before { position: absolute; top: 0; bottom: 0; left: -1px; width: 2px; background: var(--green); content: ""; transform: scaleY(0); transition: transform .3s; }
.stage-selector button:hover { background: rgba(255, 255, 255, .025); color: rgba(255, 255, 255, .82); }
.stage-selector button[aria-selected="true"] { background: rgba(102, 142, 213, .09); color: var(--white); }
.stage-selector button[aria-selected="true"]::before { transform: scaleY(1); }
.stage-selector button > span { color: rgba(137, 161, 198, .38); font-family: var(--font-mono); font-size: 9px; grid-row: 1 / 3; }
.stage-selector button[aria-selected="true"] > span { color: var(--green); }
.stage-selector button strong { font-size: 13px; font-weight: 520; }
.stage-selector button small { color: rgba(135, 158, 191, .32); font-family: var(--font-mono); font-size: 8px; letter-spacing: .08em; }
.blueprint-canvas { min-width: 0; padding: 24px; background: rgba(16, 32, 53, .38); }
.canvas-topline { display: flex; margin-bottom: 24px; justify-content: space-between; color: rgba(145, 167, 199, .35); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.canvas-sources { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.canvas-sources > div { display: flex; min-height: 84px; padding: 14px 16px; border: 1px dashed rgba(146, 170, 207, .22); background: rgba(255, 255, 255, .015); flex-direction: column; }
.canvas-sources span, .canvas-node > span { margin-bottom: 8px; color: rgba(142, 166, 201, .42); font-family: var(--font-mono); font-size: 8px; letter-spacing: .08em; }
.canvas-sources strong { color: rgba(237, 243, 251, .76); font-size: 12px; font-weight: 500; }
.canvas-sources small { margin-top: 7px; color: rgba(156, 175, 202, .38); font-size: 9px; }
.canvas-arrow { display: flex; height: 32px; align-items: center; justify-content: center; gap: 12px; }
.canvas-arrow i { width: 42px; height: 1px; background: rgba(146, 170, 207, .12); }
.canvas-arrow span { color: rgba(114, 204, 136, .6); font-size: 12px; }
.canvas-node { position: relative; display: flex; min-width: 0; min-height: 88px; padding: 15px 17px; border: 1px solid rgba(146, 170, 207, .18); background: rgba(11, 26, 44, .8); opacity: .46; flex-direction: column; transition: opacity .3s, border-color .3s, background .3s, box-shadow .3s; }
.canvas-node.is-active { border-color: rgba(114, 204, 136, .68); background: rgba(40, 78, 67, .2); box-shadow: inset 0 0 24px rgba(114, 204, 136, .04), 0 0 24px rgba(114, 204, 136, .04); opacity: 1; }
.canvas-node strong { color: rgba(245, 248, 253, .9); font-size: 13px; font-weight: 520; }
.canvas-node small { margin-top: 8px; color: rgba(167, 185, 211, .48); font-size: 9px; line-height: 1.55; }
.canvas-node > b { position: absolute; top: 15px; right: 16px; color: var(--green); font-size: 9px; font-weight: 450; }
.canvas-flow { display: grid; align-items: stretch; gap: 9px; grid-template-columns: 1fr auto 1fr auto 1fr; }
.canvas-flow > i { align-self: center; color: rgba(146, 170, 207, .3); font-size: 11px; font-style: normal; }
.canvas-flow .canvas-node { min-height: 98px; padding: 13px; }
.canvas-flow .canvas-node strong { font-size: 11px; }
.canvas-flow .canvas-node small { font-size: 8px; }
.canvas-output { min-height: 80px; }
.stage-detail { display: flex; padding: 32px 28px; border-left: 1px solid rgba(146, 170, 207, .16); flex-direction: column; }
.stage-count { margin-bottom: 40px; color: var(--green); font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em; }
.stage-detail h3 { margin-bottom: 24px; font-size: 27px; font-weight: 520; letter-spacing: -.04em; line-height: 1.35; }
.stage-detail > p:not(.stage-count) { color: rgba(207, 219, 235, .58); font-size: 13px; line-height: 1.9; }
.stage-systems { margin-top: 28px; }
.stage-systems > span, .stage-outcome > span { display: block; margin-bottom: 12px; color: rgba(145, 166, 196, .4); font-size: 9px; }
.stage-systems > div { display: flex; gap: 7px; }
.stage-systems b { display: grid; width: 36px; height: 30px; border: 1px solid rgba(114, 204, 136, .3); color: var(--green); font-family: var(--font-mono); font-size: 10px; font-weight: 400; place-items: center; }
.stage-outcome { margin-top: auto; padding-top: 24px; border-top: 1px solid rgba(146, 170, 207, .14); }
.stage-outcome strong { color: rgba(232, 239, 248, .76); font-size: 11px; font-weight: 450; line-height: 1.8; }
.detail-updated h3, .detail-updated > p, .detail-updated .stage-systems, .detail-updated .stage-outcome { animation: detail-in .45s var(--ease); }
.blueprint-foot { display: flex; min-height: 44px; padding: 0 18px; border-top: 1px solid rgba(146, 170, 207, .14); align-items: center; justify-content: space-between; color: rgba(143, 165, 196, .34); font-family: var(--font-mono); font-size: 8px; letter-spacing: .08em; }
.blueprint-foot span:first-child { display: flex; align-items: center; gap: 8px; font-family: var(--font-sans); font-size: 10px; letter-spacing: 0; }
.blueprint-foot i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }

.systems { background: var(--white); }
.systems-grid { display: grid; border-top: 1px solid var(--line); border-left: 1px solid var(--line); grid-template-columns: repeat(4, 1fr); }
.system-card { position: relative; display: grid; min-height: 320px; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); color: var(--ink); text-align: left; cursor: pointer; grid-template-columns: 1fr auto; transition: background .3s, transform .3s var(--ease), box-shadow .3s; }
.system-card:hover, .system-card:focus-visible { z-index: 2; background: #f8fafb; box-shadow: 0 18px 50px rgba(19, 33, 49, .08); transform: translateY(-5px); }
.system-id { color: #a2acb7; font-family: var(--font-mono); font-size: 28px; font-weight: 300; letter-spacing: -.06em; }
.system-group { align-self: center; color: #8a959f; font-size: 9px; }
.system-card h3 { margin: 38px 0 8px; font-size: 20px; font-weight: 560; letter-spacing: -.025em; grid-column: 1 / -1; }
.system-alias { margin-bottom: 18px; color: var(--blue); font-size: 12px; grid-column: 1 / -1; }
.system-card > p:not(.system-alias) { margin-bottom: 24px; color: var(--muted); font-size: 12px; line-height: 1.8; grid-column: 1 / -1; }
.system-link { display: flex; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); align-items: center; justify-content: space-between; color: #7b8792; font-size: 10px; grid-column: 1 / -1; }
.system-link i { color: var(--blue); font-size: 14px; font-style: normal; }
.system-card-featured { background: #eef7f0; }
.system-card-featured:hover, .system-card-featured:focus-visible { background: #e5f3e8; }
.system-card-dark { border-color: #1b2c43; background: var(--navy-800); color: var(--white); }
.system-card-dark:hover, .system-card-dark:focus-visible { background: #142844; }
.system-card-dark .system-id, .system-card-dark .system-group, .system-card-dark > p:not(.system-alias), .system-card-dark .system-link { color: rgba(215, 226, 240, .56); }
.system-card-dark .system-alias { color: var(--green-bright); }
.system-card-dark .system-link { border-color: rgba(255, 255, 255, .12); }

.brain { overflow: hidden; background: #0a1527; color: var(--white); }
.brain-glow { position: absolute; top: -250px; left: -200px; width: 800px; height: 800px; border-radius: 50%; background: radial-gradient(circle, rgba(52, 85, 165, .18), transparent 66%); }
.brain-layout { position: relative; display: grid; align-items: center; gap: clamp(60px, 8vw, 120px); grid-template-columns: 1fr 1fr; }
.brain-copy h2 { margin-bottom: 32px; }
.brain-lead { max-width: 580px; color: rgba(211, 223, 239, .62); font-size: 16px; line-height: 1.95; }
.brain-policy { display: grid; margin-top: 46px; border-top: 1px solid rgba(146, 170, 207, .16); border-left: 1px solid rgba(146, 170, 207, .16); grid-template-columns: repeat(2, 1fr); }
.brain-policy > div { display: flex; min-height: 128px; padding: 20px; border-right: 1px solid rgba(146, 170, 207, .16); border-bottom: 1px solid rgba(146, 170, 207, .16); flex-direction: column; }
.brain-policy span { margin-bottom: 18px; color: var(--green); font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em; }
.brain-policy strong { font-size: 16px; font-weight: 520; }
.brain-policy small { margin-top: 8px; color: rgba(176, 194, 218, .42); font-size: 10px; }
.decision-loop { position: relative; border: 1px solid rgba(146, 170, 207, .22); background: rgba(13, 29, 49, .82); box-shadow: 24px 24px 0 rgba(255, 255, 255, .018); }
.loop-header { display: flex; height: 50px; padding: 0 20px; border-bottom: 1px solid rgba(146, 170, 207, .15); align-items: center; justify-content: space-between; color: rgba(149, 172, 204, .42); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.loop-header span:last-child { display: flex; align-items: center; gap: 7px; color: var(--green); }
.decision-loop ol { margin: 0; padding: 0 22px; list-style: none; }
.decision-loop li { position: relative; display: grid; min-height: 86px; padding: 18px 0; border-bottom: 1px solid rgba(146, 170, 207, .12); align-items: center; gap: 16px; grid-template-columns: 34px 1fr auto; }
.decision-loop li > span { display: grid; width: 28px; height: 28px; border: 1px solid rgba(114, 204, 136, .3); border-radius: 50%; color: var(--green); font-family: var(--font-mono); font-size: 8px; place-items: center; }
.decision-loop li strong { font-size: 15px; font-weight: 520; }
.decision-loop li p { margin: 6px 0 0; color: rgba(184, 201, 223, .48); font-size: 11px; }
.decision-loop li > small { color: rgba(137, 160, 192, .3); font-family: var(--font-mono); font-size: 8px; letter-spacing: .08em; }
.loop-footer { display: flex; min-height: 58px; padding: 0 22px; align-items: center; justify-content: space-between; color: var(--green-bright); font-size: 11px; }
.loop-footer b { font-size: 24px; font-weight: 300; }
.brain-principles { position: relative; display: grid; margin-top: 92px; border-top: 1px solid rgba(146, 170, 207, .16); border-left: 1px solid rgba(146, 170, 207, .16); grid-template-columns: repeat(3, 1fr); }
.brain-principles article { min-height: 205px; padding: 28px; border-right: 1px solid rgba(146, 170, 207, .16); border-bottom: 1px solid rgba(146, 170, 207, .16); }
.brain-principles article > span { color: rgba(114, 204, 136, .56); font-family: var(--font-mono); font-size: 10px; }
.brain-principles h3 { margin: 28px 0 14px; font-size: 17px; font-weight: 520; }
.brain-principles p { margin-bottom: 0; color: rgba(184, 201, 223, .48); font-size: 12px; line-height: 1.8; }

.value-paths { background: var(--paper); }
.value-grid { display: grid; border-top: 1px solid var(--line); border-left: 1px solid var(--line); grid-template-columns: repeat(3, 1fr); }
.value-card { position: relative; min-height: 250px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .56); transition: background .3s; }
.value-card:hover { background: var(--white); }
.value-card > span { position: absolute; top: 26px; right: 28px; color: #b1bac3; font-family: var(--font-mono); font-size: 10px; }
.value-icon { display: grid; width: 46px; height: 46px; margin-bottom: 34px; border: 1px solid #bdc9d4; color: var(--blue); font-family: var(--font-mono); font-size: 12px; place-items: center; }
.value-card h3 { margin-bottom: 14px; font-size: 20px; font-weight: 550; }
.value-card p { max-width: 290px; margin-bottom: 24px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.value-card small { color: #a0aab4; font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em; }
.value-note { margin: 20px 0 0; color: #8c96a0; font-size: 10px; }

.solutions { background: var(--white); }
.industry-tabs { display: flex; margin: -20px 0 44px; flex-wrap: wrap; gap: 8px; }
.industry-tabs span { padding: 10px 15px; border: 1px solid var(--line); color: #647180; font-size: 11px; }
.case-grid { display: grid; gap: 24px; grid-template-columns: 1.16fr .84fr; grid-template-rows: repeat(2, auto); }
.case-card { display: flex; min-width: 0; border: 1px solid var(--line); background: var(--white); flex-direction: column; }
.case-card-main { grid-row: 1 / 3; }
.case-visual { position: relative; height: 240px; overflow: hidden; color: var(--white); }
.case-card-main .case-visual { height: 440px; }
.case-visual::after { position: absolute; inset: 0; border: 1px solid rgba(255, 255, 255, .08); content: ""; pointer-events: none; }
.case-visual-chenpi { background: radial-gradient(circle at 80% 70%, rgba(198, 148, 91, .28), transparent 42%), linear-gradient(135deg, #201a17, #503726 70%, #2b211b); }
.case-visual-property { background: radial-gradient(circle at 85% 30%, rgba(105, 139, 216, .25), transparent 40%), #101f36; }
.case-visual-water { background: radial-gradient(circle at 80% 20%, rgba(100, 205, 191, .2), transparent 40%), #0c2d34; }
.case-giant { position: absolute; right: -10px; bottom: -110px; color: rgba(255, 255, 255, .045); font-family: "Songti SC", SimSun, serif; font-size: 400px; line-height: 1; }
.case-giant-latin { right: 10px; bottom: -90px; font-family: var(--font-sans); font-size: 300px; font-weight: 700; }
.case-visual-top { position: relative; z-index: 2; display: flex; padding: 22px 24px; justify-content: space-between; color: rgba(255, 255, 255, .46); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.quality-stamp { position: absolute; z-index: 2; top: 50%; left: 50%; display: flex; width: 190px; height: 190px; border: 1px solid rgba(233, 202, 158, .5); border-radius: 50%; align-items: center; justify-content: center; transform: translate(-50%, -46%) rotate(-8deg); flex-direction: column; }
.quality-stamp::before, .quality-stamp::after { position: absolute; border: 1px solid rgba(233, 202, 158, .16); border-radius: 50%; content: ""; }
.quality-stamp::before { inset: 8px; }
.quality-stamp::after { inset: -14px; border-style: dashed; }
.quality-stamp > span { color: #d6b683; font-family: var(--font-mono); font-size: 12px; }
.quality-stamp strong { margin: 10px 0; color: #f1dfc2; font-family: "Songti SC", SimSun, serif; font-size: 28px; font-weight: 500; letter-spacing: .12em; }
.quality-stamp small { color: rgba(231, 211, 182, .44); font-family: var(--font-mono); font-size: 7px; letter-spacing: .12em; }
.case-visual-bottom { position: absolute; z-index: 2; right: 24px; bottom: 24px; left: 24px; display: flex; align-items: center; justify-content: center; gap: 14px; color: rgba(242, 225, 202, .66); font-size: 10px; }
.case-visual-bottom i { width: 38px; height: 1px; background: rgba(233, 202, 158, .26); }
.property-metric { position: absolute; z-index: 2; bottom: 24px; left: 24px; display: flex; flex-direction: column; }
.property-metric small { margin-bottom: 10px; color: rgba(170, 194, 231, .42); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.property-metric strong { font-size: 22px; font-weight: 520; line-height: 1.4; }
.property-metric span { margin-top: 10px; color: rgba(212, 226, 243, .46); font-size: 9px; }
.water-lines { position: absolute; inset: 0; opacity: .25; }
.water-lines i { position: absolute; right: -20px; width: 60%; height: 40px; border: 1px solid #80d4ca; border-radius: 50%; transform: rotate(-12deg); }
.water-lines i:nth-child(1) { top: 50px; }
.water-lines i:nth-child(2) { top: 80px; }
.water-lines i:nth-child(3) { top: 110px; }
.water-lines i:nth-child(4) { top: 140px; }
.case-content { display: flex; padding: 26px; flex: 1; justify-content: space-between; gap: 24px; }
.case-card-main .case-content { min-height: 230px; padding: 32px; }
.case-type { margin-bottom: 12px; color: #7d8994; font-size: 9px; }
.case-content h3 { margin-bottom: 14px; font-size: 25px; font-weight: 560; letter-spacing: -.03em; }
.case-card-main .case-content h3 { font-size: 34px; }
.case-content > div > p:not(.case-type) { max-width: 570px; margin-bottom: 0; color: var(--muted); font-size: 12px; line-height: 1.85; }
.case-systems { display: flex; max-width: 190px; align-content: flex-start; flex-wrap: wrap; gap: 6px; }
.case-systems span { height: fit-content; padding: 7px 9px; background: var(--paper); color: #687584; font-size: 8px; white-space: nowrap; }

.scale-band { padding: 90px 0; background: #dfeee3; }
.scale-layout { display: grid; align-items: end; gap: 50px 90px; grid-template-columns: 1fr .85fr; }
.scale-layout h2 { margin-bottom: 0; font-size: clamp(42px, 4.6vw, 64px); font-weight: 560; letter-spacing: -.055em; line-height: 1.15; }
.scale-layout h2 span { color: #397747; }
.scale-layout > p { margin-bottom: 4px; color: #587061; font-size: 14px; line-height: 1.9; }
.scale-layout ul { display: grid; margin: 0; padding: 0; border-top: 1px solid rgba(42, 88, 55, .18); border-left: 1px solid rgba(42, 88, 55, .18); list-style: none; grid-column: 1 / -1; grid-template-columns: repeat(4, 1fr); }
.scale-layout li { display: flex; min-height: 80px; padding: 18px 22px; border-right: 1px solid rgba(42, 88, 55, .18); border-bottom: 1px solid rgba(42, 88, 55, .18); align-items: center; gap: 22px; font-size: 14px; }
.scale-layout li span { color: #79a184; font-family: var(--font-mono); font-size: 9px; }

.about-contact { overflow: hidden; background: var(--navy-900); color: var(--white); }
.about-grid { opacity: .12; mask-image: none; }
.about-layout { position: relative; display: grid; align-items: center; gap: clamp(60px, 8vw, 120px); grid-template-columns: 1fr 480px; }
.about-copy h2 { margin-bottom: 32px; font-size: clamp(40px, 4.1vw, 60px); }
.about-copy > p:not(.eyebrow) { max-width: 610px; color: rgba(207, 220, 237, .6); font-size: 14px; line-height: 1.95; }
.about-slogan { display: flex; margin-top: 46px; padding-top: 24px; border-top: 1px solid rgba(146, 170, 207, .16); flex-direction: column; gap: 10px; }
.about-slogan span { color: var(--green-bright); font-size: 18px; letter-spacing: .12em; }
.about-slogan small { color: rgba(143, 166, 199, .34); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.contact-card { padding: 38px; background: #f5f7f8; color: var(--ink); box-shadow: 20px 20px 0 rgba(255, 255, 255, .025); }
.contact-heading > span { color: #73808d; font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em; }
.contact-heading h3 { margin: 18px 0 12px; font-size: 25px; font-weight: 560; letter-spacing: -.03em; }
.contact-heading p { margin-bottom: 28px; color: var(--muted); font-size: 12px; line-height: 1.8; }
#contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
#contact-form label { display: flex; color: #6a7682; font-size: 10px; flex-direction: column; gap: 4px; }
#contact-form input, #contact-form select { width: 100%; height: 42px; padding: 0; border: 0; border-bottom: 1px solid #cbd2d8; border-radius: 0; outline: none; background: transparent; color: var(--ink); font-size: 12px; }
#contact-form input::placeholder { color: #a0a9b2; }
#contact-form input:focus, #contact-form select:focus { border-color: var(--blue); }
.form-submit { width: 100%; margin-top: 6px; }
.form-status { min-height: 16px; margin: -4px 0 0; color: #597260; font-size: 10px; line-height: 1.6; }

.site-footer { padding: 68px 0 24px; border-top: 1px solid rgba(146, 170, 207, .12); background: var(--navy-950); color: var(--white); }
.footer-main { display: grid; padding-bottom: 58px; gap: 48px; grid-template-columns: 1.6fr .65fr .65fr 1fr; }
.footer-brand img { width: 250px; }
.footer-brand p { margin: 22px 0 0; color: rgba(192, 208, 229, .46); font-size: 11px; }
.footer-nav, .footer-address { display: flex; flex-direction: column; gap: 13px; }
.footer-nav > span, .footer-address > span { margin-bottom: 8px; color: rgba(139, 162, 194, .38); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.footer-nav a { width: fit-content; color: rgba(223, 232, 244, .62); font-size: 11px; transition: color .25s; }
.footer-nav a:hover { color: var(--green); }
.footer-address p { margin-bottom: 0; color: rgba(208, 220, 236, .52); font-size: 11px; line-height: 2; }
.footer-bottom { display: flex; padding-top: 22px; border-top: 1px solid rgba(146, 170, 207, .12); justify-content: space-between; color: rgba(138, 158, 186, .34); font-size: 9px; }

@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(114, 204, 136, .08); } 50% { box-shadow: 0 0 0 8px rgba(114, 204, 136, .02); } }
@keyframes dash { to { stroke-dashoffset: -120; } }
@keyframes orbit-spin { from { transform: translate(-50%, -50%) rotate(0); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes scroll-line { 0% { top: -70%; } 100% { top: 120%; } }
@keyframes detail-in { from { opacity: .2; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1240px) {
  .brand img { width: 205px; }
  .primary-nav { gap: 20px; }
  .hero-layout { grid-template-columns: minmax(0, 1fr) minmax(440px, .9fr); gap: 38px; }
  .hero h1 { font-size: 58px; }
  .blueprint-workspace { grid-template-columns: 154px minmax(0, 1fr) 260px; }
  .brain-rail { grid-template-columns: 130px 1fr 1fr 24px; }
  .brain-rail i { display: none; }
  .stage-detail { padding: 28px 22px; }
  .stage-detail h3 { font-size: 24px; }
  .system-card { padding: 22px; }
}

@media (max-width: 1080px) {
  .container { width: min(calc(100% - 64px), 1360px); }
  .primary-nav { position: absolute; top: calc(100% + 10px); right: 0; left: 0; display: none; padding: 22px 26px 30px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 10px; background: rgba(5, 14, 25, .82); box-shadow: 0 20px 50px rgba(0, 0, 0, .22); backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%); align-items: stretch; flex-direction: column; gap: 0; }
  body.menu-open .primary-nav { display: flex; }
  .primary-nav a { padding: 17px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 16px; }
  .primary-nav a::after { display: none; }
  .menu-toggle { display: block; }
  .hero { min-height: auto; padding-top: 144px; }
  .hero-layout { grid-template-columns: 1fr; gap: 46px; }
  .hero-copy { max-width: 790px; padding-bottom: 0; }
  .hero h1 { font-size: clamp(58px, 7.8vw, 76px); }
  .hero-visual { max-width: 680px; justify-self: center; }
  .hero-bottom { margin-top: 60px; }
  .trust-grid { gap: 28px 0; grid-template-columns: repeat(4, 1fr); }
  .trust-intro { padding: 0 0 20px; grid-column: 1 / -1; }
  .trust-intro br { display: none; }
  .trust-item:first-of-type { border-left: 0; }
  .section-heading { grid-template-columns: 1fr 330px; gap: 44px; }
  .blueprint-workspace { grid-template-columns: 150px minmax(0, 1fr); }
  .stage-detail { min-height: 300px; border-top: 1px solid rgba(146, 170, 207, .16); border-left: 0; grid-column: 1 / -1; }
  .stage-detail h3 { font-size: 28px; }
  .stage-count { margin-bottom: 24px; }
  .stage-outcome { margin-top: 30px; }
  .systems-grid { grid-template-columns: repeat(2, 1fr); }
  .brain-layout { grid-template-columns: 1fr; }
  .brain-copy { max-width: 760px; }
  .decision-loop { max-width: 720px; }
  .about-layout { grid-template-columns: 1fr; }
  .about-copy { max-width: 760px; }
  .contact-card { width: 100%; max-width: 680px; }
}

@media (max-width: 820px) {
  .section { padding: 100px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 26px; margin-bottom: 52px; }
  .section-heading > p { max-width: 600px; }
  .challenge-grid { grid-template-columns: 1fr; }
  .challenge-card { min-height: 320px; }
  .card-number { margin-bottom: 28px; }
  .brain-rail { grid-template-columns: 120px 1fr 24px; }
  .brain-rail > span:not(.rail-label) { display: none; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .case-card-main { grid-column: 1 / -1; grid-row: auto; }
  .case-content, .case-card-main .case-content { min-height: 190px; padding: 26px; }
  .case-systems { display: none; }
  .scale-layout { grid-template-columns: 1fr; gap: 28px; }
  .scale-layout ul { grid-template-columns: repeat(2, 1fr); }
  .brain-principles { grid-template-columns: 1fr; }
  .brain-principles article { min-height: 170px; }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-address { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 96px; }
  .container { width: calc(100% - 40px); }
  .section { padding: 84px 0; }
  .site-header { top: 12px; }
  .nav-shell { width: calc(100% - 24px); height: 64px; padding: 0 8px 0 14px; border-radius: 9px; gap: 14px; }
  .brand img { width: 178px; }
  .nav-cta { display: none; }
  .primary-nav { top: calc(100% + 8px); padding-inline: 20px; }
  .hero { padding: 116px 0 28px; }
  .hero-grid { background-size: 44px 44px; }
  .hero-copy { padding-top: 12px; }
  .hero-copy .eyebrow { max-width: 280px; margin-bottom: 24px; font-size: 9px; }
  .hero h1 { margin-bottom: 26px; font-size: clamp(38px, 9.6vw, 52px); letter-spacing: -.07em; }
  .hero-lead { font-size: 15px; line-height: 1.85; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-proof { margin-top: 36px; gap: 20px 0; grid-template-columns: repeat(2, 1fr); }
  .hero-layout { gap: 36px; }
  .visual-frame::before { display: none; }
  .visual-topbar { grid-template-columns: auto 1fr auto; gap: 10px; font-size: 7px; }
  .core-stage { height: 340px; }
  .core-center { width: 142px; height: 142px; }
  .core-center strong { font-size: 20px; }
  .core-center small { font-size: 7px; }
  .orbit-one { width: 220px; height: 220px; }
  .orbit-two { width: 280px; height: 280px; }
  .core-node { width: 91px; min-height: 48px; padding: 8px; }
  .core-node strong { font-size: 10px; }
  .core-node small { display: none; }
  .node-a { top: 62px; left: 5px; }
  .node-b { top: 62px; right: 5px; }
  .node-c { bottom: 38px; left: 2px; }
  .node-d { right: 2px; bottom: 38px; }
  .node-e { top: 12px; }
  .visual-flow { grid-template-columns: 1fr; gap: 12px; }
  .visual-flow > i { display: none; }
  .visual-flow div { padding-bottom: 10px; border-bottom: 1px solid rgba(157, 180, 218, .08); }
  .visual-flow div:last-child { padding-bottom: 0; border-bottom: 0; }
  .visual-flow strong { font-size: 11px; }
  .hero-bottom { margin-top: 40px; }
  .hero-bottom > span { display: none; }
  .hero-bottom { justify-content: flex-end; }
  .trust-bar { padding: 34px 0; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item { min-height: 104px; padding: 12px 16px; }
  .trust-item:nth-of-type(3) { border-left: 0; }
  .trust-item strong { font-size: 12px; }
  .section-heading h2, .brain-copy h2, .about-copy h2 { font-size: 39px; }
  .section-heading > p { font-size: 14px; }
  .eyebrow { margin-bottom: 20px; font-size: 9px; }
  .challenge-card { min-height: 0; padding: 26px; }
  .challenge-card h3 { font-size: 23px; }
  .blueprint-shell { margin-inline: -8px; }
  .brain-rail { min-height: 118px; padding: 20px; grid-template-columns: 1fr 24px; gap: 8px; }
  .brain-rail .rail-label { grid-column: 1 / -1; }
  .brain-rail strong { font-size: 16px; }
  .blueprint-workspace { grid-template-columns: 1fr; }
  .stage-selector { overflow-x: auto; border-right: 0; border-bottom: 1px solid rgba(146, 170, 207, .16); flex-direction: row; scrollbar-width: thin; }
  .stage-selector button { min-width: 126px; min-height: 86px; padding: 14px; border-right: 1px solid rgba(146, 170, 207, .12); border-bottom: 0; }
  .stage-selector button::before { top: auto; right: 0; bottom: -1px; width: auto; height: 2px; transform: scaleX(0); }
  .stage-selector button[aria-selected="true"]::before { transform: scaleX(1); }
  .blueprint-canvas { padding: 18px 14px; }
  .canvas-sources { grid-template-columns: 1fr; }
  .canvas-sources > div { min-height: 74px; }
  .canvas-flow { grid-template-columns: 1fr; }
  .canvas-flow > i { transform: rotate(90deg); }
  .canvas-node { min-height: 82px; }
  .canvas-flow .canvas-node { min-height: 82px; }
  .stage-detail { min-height: 380px; padding: 26px 20px; }
  .stage-detail h3 { font-size: 25px; }
  .blueprint-foot { padding: 12px 16px; gap: 12px; line-height: 1.5; }
  .blueprint-foot > span:last-child { display: none; }
  .systems-grid { grid-template-columns: 1fr; }
  .system-card { min-height: 290px; padding: 26px; }
  .brain-policy { grid-template-columns: 1fr; }
  .brain-policy > div { min-height: 112px; }
  .decision-loop { box-shadow: 10px 10px 0 rgba(255, 255, 255, .018); }
  .decision-loop ol { padding: 0 16px; }
  .decision-loop li { gap: 12px; grid-template-columns: 30px 1fr; }
  .decision-loop li > small { display: none; }
  .decision-loop li p { line-height: 1.6; }
  .brain-principles { margin-top: 60px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 230px; }
  .industry-tabs { margin-top: -8px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card-main { grid-column: auto; }
  .case-card-main .case-visual { height: 360px; }
  .quality-stamp { width: 160px; height: 160px; }
  .quality-stamp strong { font-size: 24px; }
  .case-visual-bottom { gap: 8px; }
  .case-visual-bottom i { width: 20px; }
  .case-content, .case-card-main .case-content { min-height: 0; padding: 24px; }
  .case-card-main .case-content h3 { font-size: 29px; }
  .scale-band { padding: 76px 0; }
  .scale-layout h2 { font-size: 42px; }
  .scale-layout li { min-height: 72px; padding: 16px; gap: 12px; font-size: 12px; }
  .about-layout { gap: 48px; }
  .about-slogan span { font-size: 15px; }
  .contact-card { padding: 26px 22px; box-shadow: 10px 10px 0 rgba(255, 255, 255, .025); }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand img { width: 220px; }
  .footer-address { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; line-height: 1.6; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}