@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');

@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }

:root {
  --bg: #06070b;
  --bg-2: #0a0c12;
  --panel: rgba(16, 19, 28, .72);
  --panel-solid: #0e1119;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --ink: #f0f2f7;
  --muted: #a1a9ba;
  --dim: #7f889c;
  --blue: #5573ff;
  --blue-2: #8fa2ff;
  --violet: #9b7bff;
  --cyan: #55d6ff;
  --grad: linear-gradient(110deg, #55d6ff 0%, #5573ff 45%, #9b7bff 100%);
  --font: 'DM Sans', 'Noto Sans SC', system-ui, sans-serif;
  --display: 'Space Grotesk', 'Noto Sans SC', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Space Grotesk', ui-monospace, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --header-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; overflow-x: clip; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: clip; }
button, input { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }
h1, h2, h3, p { margin: 0; }
p { line-height: 1.85; }
h2 { font-family: var(--display); font-weight: 600; font-size: clamp(36px, 4.4vw, 62px); line-height: 1.2; letter-spacing: -.035em; }
h3 { font-weight: 600; }
::selection { background: rgba(85, 115, 255, .45); color: #fff; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible { outline: 2px solid var(--blue-2); outline-offset: 4px; border-radius: 6px; }
button:disabled { cursor: default; }
.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; }
.wrap { width: min(1280px, calc(100% - 112px)); margin: 0 auto; }
main { position: relative; z-index: 1; }

/* ---------- Preloader (pure CSS, auto-dismisses) ---------- */
.preloader { position: fixed; inset: 0; z-index: 200; background: var(--bg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px; pointer-events: none; animation: preloader-out .6s var(--ease) 1.05s forwards; }
.preloader-mark { width: 74px; height: 74px; filter: drop-shadow(0 0 24px rgba(85, 115, 255, .55)); animation: pl-mark 1.2s var(--ease) both; }
.pl-outline { stroke-dasharray: 260; stroke-dashoffset: 260; animation: pl-draw .9s var(--ease) .1s forwards; }
.pl-line { stroke-dasharray: 40; stroke-dashoffset: 40; animation: pl-draw .4s var(--ease) .55s forwards; }
.pl-node { opacity: 0; animation: pl-pop .3s var(--spring) forwards; transform-box: fill-box; transform-origin: center; }
.pl-node.n1 { animation-delay: .6s; } .pl-node.n2 { animation-delay: .7s; } .pl-node.n3 { animation-delay: .8s; }
.preloader-bar { width: 160px; height: 2px; background: rgba(255, 255, 255, .08); border-radius: 2px; overflow: hidden; }
.preloader-bar i { display: block; height: 100%; background: var(--grad); transform-origin: left; animation: pl-bar 1s var(--ease) forwards; }
.preloader-text { font-family: var(--mono); font-size: 11px; letter-spacing: .28em; color: var(--dim); animation: fade-in .6s ease .2s both; }
@keyframes preloader-out { to { opacity: 0; visibility: hidden; } }
@keyframes pl-mark { from { transform: scale(.8); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pl-draw { to { stroke-dashoffset: 0; } }
@keyframes pl-pop { from { opacity: 0; transform: scale(.2); } to { opacity: 1; transform: none; } }
@keyframes pl-bar { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ---------- Ambient background ---------- */
.backdrop { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.aurora { position: absolute; border-radius: 50%; opacity: .55; will-change: transform; }
.aurora.a1 { width: 70vw; height: 70vw; left: -20vw; top: -30vw; background: radial-gradient(circle, rgba(85, 115, 255, .30), transparent 62%); animation: drift-1 26s ease-in-out infinite alternate; }
.aurora.a2 { width: 60vw; height: 60vw; right: -22vw; top: 10vh; background: radial-gradient(circle, rgba(155, 123, 255, .22), transparent 62%); animation: drift-2 32s ease-in-out infinite alternate; }
.aurora.a3 { width: 55vw; height: 55vw; left: 20vw; bottom: -35vw; background: radial-gradient(circle, rgba(85, 214, 255, .14), transparent 62%); animation: drift-3 38s ease-in-out infinite alternate; }
@keyframes drift-1 { to { transform: translate(18vw, 22vh) scale(1.15); } }
@keyframes drift-2 { to { transform: translate(-22vw, 30vh) scale(.9); } }
@keyframes drift-3 { to { transform: translate(-14vw, -40vh) scale(1.2); } }
.grain { position: absolute; inset: -100%; opacity: .07; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); animation: grain 1.2s steps(6) infinite; }
@keyframes grain { 0% { transform: translate(0, 0); } 20% { transform: translate(-4%, 3%); } 40% { transform: translate(3%, -5%); } 60% { transform: translate(-6%, -2%); } 80% { transform: translate(5%, 4%); } 100% { transform: translate(0, 0); } }
.cursor-glow { position: fixed; left: 0; top: 0; width: 560px; height: 560px; margin: -280px 0 0 -280px; border-radius: 50%; background: radial-gradient(circle, rgba(85, 115, 255, .13), rgba(155, 123, 255, .05) 40%, transparent 68%); pointer-events: none; z-index: 2; opacity: 0; transition: opacity .6s; mix-blend-mode: screen; will-change: transform; }
.cursor-glow.on { opacity: 1; }
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80; pointer-events: none; }
.scroll-progress i { display: block; height: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; box-shadow: 0 0 12px rgba(85, 115, 255, .8); }

/* ---------- Header ---------- */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 60; border-bottom: 1px solid transparent; transition: background .45s, border-color .45s, transform .5s var(--ease), backdrop-filter .45s; animation: fade-down .9s var(--ease) 1s backwards; }
/* backdrop-filter / transform would trap the fixed mobile menu inside the header box */
.header.menu-open { -webkit-backdrop-filter: none; backdrop-filter: none; transform: none; animation: none; background: transparent; border-bottom-color: transparent; }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; transition: height .45s var(--ease); }
.header.scrolled { background: rgba(7, 8, 13, .62); -webkit-backdrop-filter: blur(18px) saturate(1.5); backdrop-filter: blur(18px) saturate(1.5); border-bottom-color: var(--line); }
.header.scrolled .header-inner { height: 66px; }
.header.tucked { transform: translateY(-100%); }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { width: 34px; height: 34px; transition: transform .6s var(--spring); }
.brand:hover img { transform: rotate(-8deg) scale(1.08); }
.brand-word { font-family: var(--display); font-size: 28px; letter-spacing: -.06em; font-weight: 500; line-height: 1; }
.brand-period { color: var(--blue); display: inline-block; animation: blink-dot 2.6s ease-in-out infinite; }
@keyframes blink-dot { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }
.brand-cn { border-left: 1px solid var(--line-2); font-size: 13px; letter-spacing: .18em; padding-left: 14px; margin-left: 3px; color: #b9c0cf; }
.nav { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); padding: 5px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .025); }
.nav a { position: relative; white-space: nowrap; padding: 8px 16px; border-radius: 999px; transition: color .25s, background .25s; }
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.nav .nav-cta { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language { display: flex; white-space: nowrap; align-items: center; gap: 7px; color: var(--muted); font-size: 13px; padding: 9px 10px; border-radius: 999px; transition: color .2s, background .2s; }
.language:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.language svg { width: 16px; height: 16px; transition: transform .8s var(--ease); }
.language:hover svg { transform: rotate(180deg); }
.menu-toggle { display: none; }

/* ---------- Buttons ---------- */
.button { --tx: 0px; --ty: 0px; position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 13px 20px; border-radius: 999px; font-size: 14px; font-weight: 500; line-height: 1.3; white-space: nowrap; isolation: isolate; overflow: hidden; overflow: clip; transform: translate3d(var(--tx), var(--ty), 0); transition: transform .5s var(--spring), background .3s, border-color .3s, box-shadow .4s, color .3s; }
.button-lg { padding: 17px 26px; font-size: 15px; }
.button-primary { background: linear-gradient(135deg, #6f88ff, #4a63f5 55%, #7a5cff); color: #fff; box-shadow: 0 0 0 1px rgba(143, 162, 255, .35) inset, 0 10px 34px -8px rgba(85, 115, 255, .75); }
.button-primary::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, #8a9dff, #5a73ff 55%, #9b7bff); opacity: 0; transition: opacity .35s; }
.button-primary::after { content: ''; position: absolute; top: 0; bottom: 0; width: 60%; left: -80%; z-index: -1; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .42), transparent); transform: skewX(-20deg); animation: shine 5.5s ease-in-out 2.4s infinite; }
.button-primary:hover { box-shadow: 0 0 0 1px rgba(170, 186, 255, .55) inset, 0 16px 48px -6px rgba(85, 115, 255, .95); }
.button-primary:hover::before { opacity: 1; }
.button-primary:hover::after { animation: shine-fast .8s ease; }
@keyframes shine { 0%, 70% { left: -80%; } 100% { left: 130%; } }
@keyframes shine-fast { from { left: -80%; } to { left: 130%; } }
.button-ghost { border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); color: var(--ink); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.button-ghost:hover { border-color: rgba(143, 162, 255, .6); background: rgba(85, 115, 255, .1); }
.button-icon { position: relative; display: inline-block; width: 1em; height: 1.2em; overflow: hidden; flex-shrink: 0; }
.button-icon i { position: absolute; inset: 0; font-style: normal; display: grid; place-items: center; transition: transform .45s var(--ease); }
.button-icon i:last-child { transform: translate(-120%, 120%); }
.button:hover .button-icon i:first-child, .text-link:hover .button-icon i:first-child, .float-cta:hover .button-icon i:first-child { transform: translate(120%, -120%); }
.button:hover .button-icon i:last-child, .text-link:hover .button-icon i:last-child, .float-cta:hover .button-icon i:last-child { transform: none; }
.header-console { padding: 10px 16px; font-size: 13px; }
.header-cta { padding: 10px 16px; font-size: 13px; }

/* ---------- Shared bits ---------- */
.status-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: #7d95ff; display: inline-block; flex-shrink: 0; box-shadow: 0 0 10px #5573ff; }
.status-dot::after { content: ''; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid #7d95ff; animation: ping 2s ease-out infinite; }
@keyframes ping { from { transform: scale(.4); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: var(--blue-2); text-transform: uppercase; }
.eyebrow-dot { width: 22px; height: 1px; background: linear-gradient(90deg, transparent, var(--blue-2)); position: relative; }
.eyebrow-dot::after { content: ''; position: absolute; right: -3px; top: -2.5px; width: 6px; height: 6px; background: var(--blue); box-shadow: 0 0 12px var(--blue); animation: blink-dot 2s ease-in-out infinite; }
.section { position: relative; padding: 150px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; margin-bottom: 64px; }
.section-heading h2 { margin-top: 22px; }
.section-heading > p, .section-heading > div > p { max-width: 430px; font-size: 16px; color: var(--muted); padding-bottom: 8px; }
.section-description { font-size: 17px; color: var(--muted); }
.note-icon { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line-2); font-family: var(--mono); font-size: 11px; color: var(--blue-2); flex-shrink: 0; }
.section-note { display: flex; align-items: center; gap: 10px; margin-top: 40px; font-size: 13px; color: var(--dim); }
.plan-tag { display: inline-block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; padding: 4px 9px; border-radius: 999px; border: 1px solid rgba(143, 162, 255, .3); color: var(--blue-2); background: rgba(85, 115, 255, .08); }

/* Spotlight card border */
.spot { --mx: 50%; --my: 50%; position: relative; }
.spot::before { content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(143, 162, 255, .75), rgba(155, 123, 255, .25) 30%, transparent 55%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .45s; pointer-events: none; z-index: 2; }
.spot::after { content: ''; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(520px circle at var(--mx) var(--my), rgba(85, 115, 255, .1), transparent 45%); opacity: 0; transition: opacity .45s; pointer-events: none; z-index: 0; }
.spot:hover::before, .spot:hover::after { opacity: 1; }

/* Reveal system (only hides when JS is running) */
.js [data-reveal] { opacity: 0; transform: translate3d(0, 44px, 0); filter: blur(10px); transition: opacity 1s var(--ease), transform 1.2s var(--ease), filter 1s var(--ease); transition-delay: var(--delay, 0s); }
.js [data-reveal="left"] { transform: translate3d(-60px, 0, 0) rotate(-1.5deg); }
.js [data-reveal="right"] { transform: translate3d(60px, 0, 0) rotate(1.5deg); }
.js [data-reveal="scale"] { transform: scale(.92) translateY(40px); }
.js [data-reveal="map"] { transform: none; filter: none; }
.js [data-reveal="word"] { transform: translateY(30%); filter: blur(14px); }
.js [data-reveal].in { opacity: 1; transform: none; filter: none; }
.js [data-tilt].in { transition: opacity 1s var(--ease), transform .5s var(--ease), filter 1s var(--ease); transition-delay: 0s; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: max(780px, 100svh); display: flex; flex-direction: column; justify-content: center; padding: calc(var(--header-h) + 24px) 0 0; overflow: clip; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid { position: absolute; left: -50%; right: -50%; bottom: -10%; height: 62%; background-image: linear-gradient(rgba(124, 146, 255, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(124, 146, 255, .16) 1px, transparent 1px); background-size: 64px 64px; transform: perspective(520px) rotateX(64deg); transform-origin: center top; -webkit-mask-image: linear-gradient(to bottom, transparent, #000 35%, #000 60%, transparent); mask-image: linear-gradient(to bottom, transparent, #000 35%, #000 60%, transparent); animation: grid-move 4s linear infinite; opacity: .5; }
@keyframes grid-move { to { background-position: 0 64px, 0 0; } }
.hero-horizon { position: absolute; left: 35%; right: 0; bottom: 92px; height: 1px; background: linear-gradient(90deg, transparent, rgba(143, 162, 255, .55) 50%, transparent); box-shadow: 0 0 40px 8px rgba(85, 115, 255, .18); animation: horizon 6s ease-in-out infinite; }
@keyframes horizon { 50% { opacity: .35; } }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); align-items: center; gap: 24px; flex: 1; }
.hero-copy { position: relative; z-index: 3; padding-bottom: 40px; }
.hero-pill { display: inline-flex; align-items: center; gap: 12px; padding: 6px 14px 6px 6px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .035); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); font-size: 13px; color: #c6cde0; transition: border-color .3s, background .3s; animation: fade-up .9s var(--ease) 1.05s both; }
.hero-pill:hover { border-color: rgba(143, 162, 255, .55); background: rgba(85, 115, 255, .08); }
.pill-tag { white-space: nowrap; flex-shrink: 0; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; padding: 5px 10px; border-radius: 999px; background: var(--grad); background-size: 200% 100%; color: #fff; animation: sheen 5s linear infinite; }
.pill-arrow { transition: transform .35s var(--ease); color: var(--blue-2); }
.hero-pill:hover .pill-arrow { transform: translateX(4px); }
.hero h1 { font-family: var(--display); font-size: clamp(56px, 7.1vw, 112px); font-weight: 600; letter-spacing: -.045em; line-height: 1.08; margin: 30px 0 28px; }
.hero h1 .line { display: block; overflow: hidden; padding: .04em .06em .1em 0; margin-bottom: -.08em; }
.hero h1 .line > span { display: inline-block; animation: line-up 1.15s var(--ease) 1.15s both; }
.hero h1 .line:nth-child(2) > span { animation: line-up 1.15s var(--ease) 1.28s both, sheen 7s linear 2.4s infinite; }
.shine { background: linear-gradient(100deg, #8fa2ff 0%, #eef1ff 22%, #6f88ff 44%, #b49bff 66%, #8fa2ff 88%, #eef1ff 100%); background-size: 260% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
@keyframes line-up { from { transform: translateY(105%) rotate(2deg); } to { transform: none; } }
@keyframes sheen { from { background-position: 0% 0; } to { background-position: 260% 0; } }
.hero-description { font-size: 18px; color: var(--muted); max-width: 540px; animation: fade-up 1s var(--ease) 1.45s both; }
.hero-buttons { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 40px; animation: fade-up 1s var(--ease) 1.6s both; }
.platforms { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 30px; font-size: 13px; color: var(--dim); animation: fade-up 1s var(--ease) 1.75s both; }
.os-chip { font-family: var(--mono); font-size: 11.5px; padding: 5px 10px; border-radius: 6px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); color: #b5bdcd; }
.platform-divider { width: 1px; height: 16px; background: var(--line-2); margin: 0 6px; }
.soon { display: inline-flex; align-items: center; gap: 10px; }
@keyframes fade-up { from { opacity: 0; transform: translateY(26px); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes fade-down { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.hero-visual { position: relative; align-self: stretch; min-height: 560px; animation: globe-in 1.8s var(--ease) .85s both; }
@keyframes globe-in { from { opacity: 0; transform: scale(.86) translateY(30px); filter: blur(12px); } to { opacity: 1; transform: none; filter: none; } }
.globe-canvas { position: absolute; width: 132%; height: 118%; left: -14%; top: -9%; z-index: 0; cursor: grab; touch-action: pan-y; }
.globe-canvas:active { cursor: grabbing; }
.hud { --px: 0px; --py: 0px; position: absolute; z-index: 2; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: #aab5d4; translate: var(--px) var(--py); transition: translate .9s var(--ease); pointer-events: none; }
.hud-label { top: 6%; left: 8%; display: flex; align-items: center; gap: 10px; padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(143, 162, 255, .22); background: rgba(10, 13, 22, .55); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); animation: float-y 6s ease-in-out infinite; }
.hud-tag { display: flex; align-items: center; gap: 10px; padding: 7px 12px; border-left: 1px solid rgba(143, 162, 255, .6); background: linear-gradient(90deg, rgba(18, 24, 48, .9), rgba(10, 13, 24, .55)); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); color: #c9d2ee; }
.hud-tag i { width: 6px; height: 6px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.hud-hub { top: 30%; right: -2%; animation: float-y 7s ease-in-out -2s infinite; }
.hud-model { top: 64%; right: 4%; animation: float-y 8s ease-in-out -4s infinite; }
.hud-model i { background: var(--violet); box-shadow: 0 0 10px var(--violet); }
.hud-node { bottom: 14%; left: -2%; display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-radius: 16px; border: 1px solid rgba(143, 162, 255, .28); background: rgba(12, 16, 28, .66); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 20px 60px -20px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .03) inset; letter-spacing: 0; font-family: var(--font); color: var(--ink); animation: float-y 6.5s ease-in-out -1s infinite; }
.hud-node::before { content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--angle), transparent 0 70%, rgba(143, 162, 255, .9) 85%, transparent 100%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: spin-angle 4s linear infinite; }
.computer-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 11px; color: #b9c6ff; background: rgba(85, 115, 255, .14); border: 1px solid rgba(143, 162, 255, .25); }
.computer-icon svg { width: 22px; height: 22px; }
.node-caption { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--dim); }
.hud-node strong { display: block; font-size: 14px; font-weight: 500; margin-top: 3px; }
.node-plus { font-family: var(--mono); font-size: 22px; color: var(--blue-2); margin-left: 8px; animation: blink-dot 1.8s ease-in-out infinite; }
.hud-concept { bottom: 3%; right: 2%; font-size: 10.5px; color: var(--dim); letter-spacing: .1em; }
@keyframes float-y { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes spin-angle { to { --angle: 360deg; } }

.hero-bottom { position: relative; z-index: 2; display: flex; align-items: center; gap: 28px; justify-content: space-between; padding: 22px 0 28px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--dim); animation: fade-in 1s ease 1.9s both; }
.motion-toggle { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--muted); padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line); transition: color .2s, border-color .2s; }
.motion-toggle:hover { color: #fff; border-color: var(--line-2); }
.hero-bottom-group { display: flex; align-items: center; gap: 28px; }
.scroll-cue { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.scroll-cue i { position: relative; width: 22px; height: 34px; border-radius: 12px; border: 1px solid var(--line-2); }
.scroll-cue i::after { content: ''; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--blue-2); animation: wheel 1.8s var(--ease) infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(11px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- Marquee ---------- */
.marquee { position: relative; z-index: 1; overflow: hidden; overflow: clip; padding: 34px 0; border-bottom: 1px solid var(--line); background: linear-gradient(90deg, rgba(85, 115, 255, .04), rgba(155, 123, 255, .06), rgba(85, 115, 255, .04)); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 44px; width: max-content; animation: marquee 38s linear infinite; font-family: var(--display); font-size: clamp(34px, 4.4vw, 64px); font-weight: 600; letter-spacing: -.035em; white-space: nowrap; color: #e3e7f3; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee .outline { color: transparent; -webkit-text-stroke: 1px rgba(170, 186, 255, .55); }
.spark-glyph { display: inline-block; width: .42em; height: .42em; background: var(--grad); clip-path: polygon(50% 0, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0 50%, 39% 39%); animation: spin 8s linear infinite; }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Features bento ---------- */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; perspective: 1400px; }
.bento-card { min-height: 380px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 24px; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(20, 24, 36, .82), rgba(11, 13, 20, .82)); overflow: hidden; overflow: clip; transform-style: preserve-3d; }
.bento-wide { grid-column: span 2; }
.bento-art { position: relative; z-index: 1; flex: 1; display: grid; place-items: center; min-height: 210px; padding: 26px; }
.bento-copy { position: relative; z-index: 1; padding: 0 32px 32px; }
.bento-copy h3 { font-size: 22px; letter-spacing: -.01em; margin: 16px 0 8px; }
.bento-copy p { font-size: 15px; color: var(--muted); max-width: 520px; }
.art-cpu svg { width: min(100%, 520px); height: auto; }
.pulses path { stroke-dasharray: 46 400; stroke-dashoffset: 446; animation: trace 3.2s linear infinite; }
.pulses .p2 { animation-delay: -1s; } .pulses .p3 { animation-delay: -2.1s; } .pulses .p4 { animation-delay: -.5s; } .pulses .p5 { animation-delay: -1.6s; } .pulses .p6 { animation-delay: -2.6s; }
@keyframes trace { to { stroke-dashoffset: 0; } }
.core-glow { transform-box: fill-box; transform-origin: center; animation: core 3s ease-in-out infinite; }
@keyframes core { 50% { opacity: .35; transform: scale(.85); } }
.die { animation: die-glow 3s ease-in-out infinite; }
@keyframes die-glow { 50% { stroke-opacity: .25; } }
.node-blink { animation: blink-dot 1.5s ease-in-out infinite; }
.node-blink.b2 { animation-delay: .25s; } .node-blink.b3 { animation-delay: .5s; }
.art-dial svg { width: 190px; height: 190px; }
.dial-arc { stroke-dasharray: 30 100; animation: dial 5s var(--ease) infinite alternate; }
@keyframes dial { 0% { stroke-dasharray: 18 100; } 50% { stroke-dasharray: 62 100; } 100% { stroke-dasharray: 38 100; } }
.dial-ticks { transform-origin: 110px 110px; animation: spin 20s linear infinite; }
.dial-pause { transform-origin: 110px 110px; animation: pulse-scale 2.4s ease-in-out infinite; }
@keyframes pulse-scale { 50% { transform: scale(.88); opacity: .75; } }
.art-orbit { min-height: 210px; }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(143, 162, 255, .25); border-radius: 50%; animation: spin linear infinite; }
.orbit i { position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; margin-left: -4px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.orbit.o1 { width: 90px; height: 90px; margin: -45px 0 0 -45px; animation-duration: 6s; }
.orbit.o2 { width: 150px; height: 150px; margin: -75px 0 0 -75px; animation-duration: 11s; animation-direction: reverse; border-style: dashed; }
.orbit.o2 i { background: var(--violet); box-shadow: 0 0 14px var(--violet); }
.orbit.o3 { width: 210px; height: 210px; margin: -105px 0 0 -105px; animation-duration: 17s; border-color: rgba(143, 162, 255, .12); }
.orbit.o3 i { background: var(--blue-2); box-shadow: 0 0 14px var(--blue); }
.orbit-core { width: 40px; height: 40px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #c4cfff, #5573ff 55%, #2a2f7a); box-shadow: 0 0 40px rgba(85, 115, 255, .7); animation: pulse-scale 3s ease-in-out infinite; }
.art-layers { grid-template-columns: auto auto; gap: 60px; }
.layer-stack { position: relative; width: 200px; height: 170px; }
.layer { position: absolute; left: 10px; width: 180px; height: 90px; border-radius: 14px; border: 1px solid rgba(143, 162, 255, .35); background: linear-gradient(135deg, rgba(85, 115, 255, .18), rgba(155, 123, 255, .06)); transform: rotateX(58deg) rotateZ(-38deg); animation: layer-float 4s ease-in-out infinite; }
.layer.l1 { top: 0; } .layer.l2 { top: 36px; animation-delay: -.6s; opacity: .8; } .layer.l3 { top: 72px; animation-delay: -1.2s; opacity: .6; }
@keyframes layer-float { 50% { translate: 0 -8px; } }
.layer-scan { position: absolute; left: 0; right: 0; height: 2px; top: 0; background: linear-gradient(90deg, transparent, var(--cyan), transparent); box-shadow: 0 0 14px var(--cyan); animation: scan-y 3s ease-in-out infinite; }
@keyframes scan-y { 0%, 100% { top: 10%; opacity: 0; } 15%, 85% { opacity: 1; } 50% { top: 90%; } }
.shield { width: 76px; filter: drop-shadow(0 0 18px rgba(85, 115, 255, .5)); animation: float-y 5s ease-in-out infinite; }
.shield-check { stroke-dasharray: 1; stroke-dashoffset: 1; animation: check 3.6s var(--ease) infinite; }
@keyframes check { 0%, 15% { stroke-dashoffset: 1; } 45%, 85% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -1; } }

/* ---------- Steps ---------- */
.timeline { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 26px; }
.timeline-line { position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--line-2); overflow: hidden; }
.timeline-line i { position: absolute; top: 0; left: 0; width: 30%; height: 100%; background: linear-gradient(90deg, transparent, var(--cyan), var(--blue-2), transparent); box-shadow: 0 0 12px var(--cyan); animation: beam 3.6s var(--ease) infinite; }
@keyframes beam { from { transform: translateX(-100%); } to { transform: translateX(340%); } }
.tl-node { position: relative; justify-self: start; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--bg-2); color: var(--muted); animation: node-light 3.6s ease-in-out infinite; }
.tl-node:nth-child(3) { animation-delay: 1.2s; } .tl-node:nth-child(4) { animation-delay: 2.4s; }
@keyframes node-light { 0%, 100% { border-color: var(--line-2); color: var(--muted); box-shadow: none; } 18% { border-color: rgba(143, 162, 255, .8); color: #fff; box-shadow: 0 0 24px rgba(85, 115, 255, .55); } 40% { border-color: var(--line-2); color: var(--muted); box-shadow: none; } }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; perspective: 1400px; }
.step { padding: 18px 18px 30px; border-radius: 24px; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(20, 24, 36, .8), rgba(11, 13, 20, .8)); transform-style: preserve-3d; }
.step > *:not(.step-art) { position: relative; z-index: 1; padding-left: 12px; padding-right: 12px; }
.step-art { position: relative; z-index: 1; height: 210px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 26px; overflow: hidden; overflow: clip; background: radial-gradient(circle at 50% 120%, rgba(85, 115, 255, .22), transparent 60%), rgba(255, 255, 255, .02); border: 1px solid var(--line); background-size: auto; }
.step-art::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(143, 162, 255, .22) 1px, transparent 1px); background-size: 18px 18px; -webkit-mask-image: radial-gradient(circle, #000, transparent 75%); mask-image: radial-gradient(circle, #000, transparent 75%); animation: dots-pan 14s linear infinite; }
@keyframes dots-pan { to { background-position: 18px 18px; } }
.mini-window { position: relative; width: 78%; border-radius: 12px; border: 1px solid rgba(143, 162, 255, .3); background: rgba(13, 17, 30, .9); box-shadow: 0 20px 40px -10px rgba(0, 0, 0, .7); animation: float-y 5s ease-in-out infinite; }
.mini-bar { display: flex; gap: 5px; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.mini-bar i { width: 7px; height: 7px; border-radius: 50%; background: #2c3348; }
.mini-body { display: flex; align-items: center; gap: 12px; padding: 16px 14px; }
.mini-body > div { flex: 1; min-width: 0; }
.mini-body strong { display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; margin-bottom: 8px; }
.mini-progress { display: block; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .07); overflow: hidden; }
.mini-progress i { display: block; height: 100%; width: 100%; background: var(--grad); transform-origin: left; animation: install 3.2s var(--ease) infinite; }
@keyframes install { 0% { transform: scaleX(0); } 70%, 100% { transform: scaleX(1); } }
.download-arrow { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: rgba(85, 115, 255, .2); color: #c4cfff; animation: bounce-y 1.6s var(--ease) infinite; }
@keyframes bounce-y { 0%, 100% { transform: translateY(-3px); } 50% { transform: translateY(4px); } }
.art-control { flex-direction: column; gap: 14px; }
.art-chip { display: flex; align-items: center; gap: 14px; width: 76%; font-family: var(--mono); font-size: 12px; padding: 13px 16px; border-radius: 12px; border: 1px solid rgba(143, 162, 255, .25); background: rgba(13, 17, 30, .9); }
.art-chip:last-child { margin-left: 30px; }
.mini-meter { flex: 1; height: 5px; border-radius: 5px; background: rgba(255, 255, 255, .07); overflow: hidden; }
.mini-meter i { display: block; height: 100%; width: 100%; border-radius: 5px; background: var(--grad); transform-origin: left; animation: meter 3.4s ease-in-out infinite alternate; }
.art-chip:last-child .mini-meter i { animation-duration: 2.6s; animation-delay: -1s; background: linear-gradient(90deg, #7a5cff, #55d6ff); }
@keyframes meter { from { transform: scaleX(.25); } to { transform: scaleX(.85); } }
.mini-knob { position: relative; width: 30px; height: 17px; border-radius: 10px; background: var(--blue); box-shadow: 0 0 12px rgba(85, 115, 255, .6); }
.mini-knob::after { content: ''; position: absolute; width: 13px; height: 13px; top: 2px; right: 2px; border-radius: 50%; background: #fff; }
.art-value { gap: 18px; }
.value-token { width: 76px; height: 76px; filter: drop-shadow(0 0 22px rgba(85, 115, 255, .55)); animation: token 4.5s var(--ease) infinite; }
.value-token svg { width: 100%; height: 100%; }
@keyframes token { 0% { transform: rotateY(0) translateY(0); } 50% { transform: rotateY(180deg) translateY(-8px); } 100% { transform: rotateY(360deg) translateY(0); } }
.value-chart { width: 46%; }
.chart-line { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 3.6s var(--ease) infinite; }
.chart-area { animation: area 3.6s var(--ease) infinite; }
@keyframes draw { 0% { stroke-dashoffset: 1; opacity: 1; } 55%, 85% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }
@keyframes area { 0%, 30% { opacity: 0; } 60%, 85% { opacity: 1; } 100% { opacity: 0; } }
.step-kicker { display: flex; align-items: center; gap: 14px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; color: var(--blue-2); margin-bottom: 14px; }
.kicker-line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-2), transparent); }
.step h3 { font-size: 22px; margin-bottom: 10px; letter-spacing: -.01em; }
.step p { font-size: 15px; color: var(--muted); }

/* ---------- Share / Agent ---------- */
.share-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 100px; align-items: center; }
.agent-wrap { position: relative; }
.agent-glow { position: absolute; inset: 8% 6%; border-radius: 40px; background: radial-gradient(circle at 30% 30%, rgba(85, 115, 255, .55), transparent 60%), radial-gradient(circle at 75% 70%, rgba(155, 123, 255, .45), transparent 60%); filter: blur(60px); opacity: .6; animation: glow-breathe 6s ease-in-out infinite; }
@keyframes glow-breathe { 50% { opacity: .35; transform: scale(.95); } }
.agent-preview { position: relative; padding: 28px; border-radius: 26px; border: 1px solid var(--line-2); background: linear-gradient(180deg, rgba(22, 26, 40, .88), rgba(12, 14, 22, .92)); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .03) inset; }
.agent-preview > * { position: relative; z-index: 1; }
.agent-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.agent-brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 500; font-size: 17px; }
.demo-tag, .chat-demo { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--blue-2); padding: 5px 10px; border-radius: 999px; border: 1px solid rgba(143, 162, 255, .3); background: rgba(85, 115, 255, .08); }
.agent-status { display: flex; align-items: center; gap: 12px; margin-top: 22px; font-size: 14px; }
.agent-status .status-dot { transition: background .3s, box-shadow .3s; }
.agent-preview.is-paused .agent-status .status-dot { background: #5b6275; box-shadow: none; }
.agent-preview.is-paused .agent-status .status-dot::after { animation: none; opacity: 0; }
.agent-device { margin-left: auto; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--dim); }
.agent-balance { padding: 20px 0 6px; }
.balance-label { font-size: 14px; color: var(--muted); }
.agent-balance strong { display: flex; align-items: baseline; gap: 10px; font-family: var(--display); font-size: 76px; line-height: 1.05; font-weight: 500; letter-spacing: -.05em; margin: 4px 0; }
#contribution-value { background: linear-gradient(180deg, #fff, #9fb0ff); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; min-width: 1.2em; }
.agent-balance strong small { font-size: 20px; color: var(--dim); letter-spacing: 0; font-weight: 400; }
.balance-note { font-size: 12.5px; color: var(--dim); }
.spark { margin: 16px 0 6px; padding: 14px 16px 10px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.spark-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--dim); }
.spark-tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--cyan); display: inline-flex; align-items: center; gap: 6px; }
.spark-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: blink-dot 1.4s ease-in-out infinite; }
.spark-plot { position: relative; height: 80px; margin-top: 8px; }
.spark-plot svg { width: 100%; height: 100%; overflow: hidden; }
.spark-dot { position: absolute; width: 9px; height: 9px; margin: -4.5px 0 0 -4.5px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(143, 162, 255, .3), 0 0 16px #8fa2ff; left: 100%; top: 50%; }
.resource-row { display: flex; align-items: center; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid var(--line); }
.resource-name { display: flex; align-items: center; gap: 14px; }
.resource-symbol { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: rgba(85, 115, 255, .1); border: 1px solid rgba(143, 162, 255, .2); color: #b9c6ff; }
.resource-symbol svg { width: 21px; height: 21px; }
.resource-name strong { font-family: var(--mono); font-size: 14px; font-weight: 500; }
.resource-name small { display: block; font-size: 13px; color: var(--dim); margin-top: 2px; }
.toggle { position: relative; width: 50px; height: 28px; border-radius: 999px; padding: 3px; background: #262b3b; border: 1px solid var(--line-2); transition: background .35s, box-shadow .35s, border-color .35s; }
.toggle span { display: block; width: 20px; height: 20px; border-radius: 50%; background: #c9cfdd; box-shadow: 0 2px 6px rgba(0, 0, 0, .4); transition: transform .55s var(--spring), background .3s, width .25s; }
.toggle:active span { width: 26px; }
.toggle.active { background: linear-gradient(135deg, #6f88ff, #4a63f5); border-color: rgba(170, 186, 255, .55); box-shadow: 0 0 18px rgba(85, 115, 255, .55); }
.toggle.active span { transform: translateX(22px); background: #fff; }
.toggle.active:active span { transform: translateX(16px); }
.resource-limit { margin-top: 22px; }
.limit-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; color: var(--muted); }
.limit-head output { font-family: var(--mono); font-size: 15px; color: #fff; }
#resource-range { --fill: 28.6%; -webkit-appearance: none; appearance: none; width: 100%; height: 6px; margin: 16px 0 10px; border-radius: 6px; background: linear-gradient(90deg, #55d6ff, #5573ff var(--fill), #262b3b var(--fill)); cursor: pointer; outline-offset: 8px; }
#resource-range::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 5px rgba(85, 115, 255, .35), 0 0 18px rgba(85, 115, 255, .8); transition: transform .3s var(--spring), box-shadow .3s; }
#resource-range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 5px rgba(85, 115, 255, .35), 0 0 18px rgba(85, 115, 255, .8); }
#resource-range:hover::-webkit-slider-thumb, #resource-range:active::-webkit-slider-thumb { transform: scale(1.18); box-shadow: 0 0 0 8px rgba(85, 115, 255, .3), 0 0 26px rgba(85, 115, 255, 1); }
.range-labels { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--dim); }
.pause-button { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 22px; padding: 14px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); font-size: 14px; transition: background .3s, border-color .3s, transform .3s var(--spring); }
.pause-button:hover { background: rgba(85, 115, 255, .12); border-color: rgba(143, 162, 255, .5); }
.pause-button:active { transform: scale(.98); }
#pause-icon { font-family: var(--mono); color: var(--blue-2); }
.share-copy h2 { margin: 22px 0 22px; }
.feature-list { margin-top: 12px; }
.feature-line { display: flex; align-items: flex-start; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.feature-icon { width: 44px; height: 44px; flex-shrink: 0; display: grid; place-items: center; border-radius: 13px; color: #b9c6ff; border: 1px solid rgba(143, 162, 255, .22); background: rgba(85, 115, 255, .08); transition: transform .5s var(--spring), background .3s; }
.feature-icon svg { width: 21px; height: 21px; }
.feature-line:hover .feature-icon { transform: rotate(-8deg) scale(1.08); background: rgba(85, 115, 255, .2); }
.feature-line h3 { font-size: 18px; margin-bottom: 4px; }
.feature-line p { font-size: 15px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 32px; padding-bottom: 6px; font-size: 15px; color: #dfe5ff; background: linear-gradient(var(--blue-2), var(--blue-2)) left bottom / 100% 1px no-repeat; transition: background-size .4s var(--ease), color .3s; }
.text-link:hover { color: #fff; background-size: 40% 1px; }

/* ---------- Model ---------- */
.model-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 100px; align-items: center; }
.model-copy h2 { margin: 22px 0 22px; }
.model-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.model-chips > span { padding: 9px 16px; border-radius: 999px; font-size: 14px; color: #cdd4e6; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); transition: border-color .3s, background .3s, transform .4s var(--spring); }
.model-chips > span:hover { border-color: rgba(143, 162, 255, .6); background: rgba(85, 115, 255, .1); transform: translateY(-3px); }
.model-footnote { display: flex; align-items: center; gap: 10px; margin-top: 30px; font-size: 13px; color: var(--dim); }
.chat-shell { position: relative; padding: 1px; border-radius: 26px; overflow: hidden; overflow: clip; isolation: isolate; box-shadow: 0 40px 90px -30px rgba(40, 60, 200, .55); }
.chat-shell::before { content: ''; position: absolute; inset: -50%; z-index: -1; background: conic-gradient(from var(--angle), transparent 0deg, #55d6ff 50deg, #5573ff 110deg, #9b7bff 170deg, transparent 230deg, transparent 360deg); animation: spin-angle 6s linear infinite; }
.chat-shell::after { content: ''; position: absolute; inset: 1px; z-index: -1; border-radius: 25px; background: #0b0e17; }
.chat-preview { position: relative; border-radius: 25px; padding: 24px; background: linear-gradient(180deg, rgba(18, 22, 35, .96), rgba(10, 12, 20, .98)); }
.chat-top { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.model-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--grad); color: #fff; animation: spin 14s linear infinite; }
.model-icon svg { width: 18px; height: 18px; }
.chat-top strong { font-family: var(--display); font-size: 17px; font-weight: 500; }
.chat-demo { margin-left: auto; }
.chat-messages { height: 300px; overflow-y: auto; overscroll-behavior: contain; padding: 22px 4px 14px; scrollbar-width: thin; scrollbar-color: #2b3146 transparent; }
.chat-welcome { text-align: center; padding-top: 36px; }
.welcome-star { display: inline-grid; place-items: center; width: 62px; height: 62px; border-radius: 50%; color: #c4cfff; background: radial-gradient(circle, rgba(85, 115, 255, .3), transparent 70%); margin-bottom: 14px; animation: pulse-scale 3s ease-in-out infinite; }
.welcome-star svg { width: 34px; height: 34px; animation: spin 10s linear infinite; }
.chat-welcome h3 { font-family: var(--display); font-size: 24px; font-weight: 500; letter-spacing: -.02em; }
.chat-welcome p { font-size: 14px; color: var(--dim); margin-top: 6px; }
.suggestions { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 14px; }
.suggestions button { padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); font-size: 13px; color: #c3cadb; text-align: left; transition: border-color .3s, background .3s, color .3s, transform .4s var(--spring); }
.suggestions button:hover { border-color: rgba(143, 162, 255, .6); background: rgba(85, 115, 255, .12); color: #fff; transform: translateY(-2px); }
#chat-form { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 18px; border-radius: 16px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); transition: border-color .3s, box-shadow .3s; }
#chat-form:focus-within { border-color: rgba(143, 162, 255, .7); box-shadow: 0 0 0 4px rgba(85, 115, 255, .15); }
#chat-input { flex: 1; min-width: 0; border: 0; background: none; font-size: 15px; color: var(--ink); outline: none; padding: 8px 0; }
#chat-input::placeholder { color: var(--dim); }
.send-button { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: var(--grad); color: #fff; flex-shrink: 0; transition: transform .4s var(--spring), box-shadow .3s; }
.send-button svg { width: 18px; height: 18px; }
.send-button:hover { transform: translateY(-2px) scale(1.05); box-shadow: 0 8px 22px rgba(85, 115, 255, .6); }
.chat-disclaimer { font-size: 12.5px; color: var(--dim); text-align: center; margin-top: 12px; }
.message { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; font-size: 15px; line-height: 1.8; animation: msg-in .55s var(--spring) both; }
@keyframes msg-in { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
.message-avatar { width: 30px; height: 30px; flex-shrink: 0; display: grid; place-items: center; border-radius: 9px; background: var(--grad); color: #fff; font-size: 16px; }
.message-user { justify-content: flex-end; }
.message-user .message-text { max-width: 86%; padding: 10px 16px; border-radius: 16px 16px 4px 16px; background: linear-gradient(135deg, rgba(85, 115, 255, .35), rgba(155, 123, 255, .25)); border: 1px solid rgba(143, 162, 255, .3); }
.message-assistant .message-text { padding-top: 3px; white-space: pre-wrap; color: #cdd3e3; }
.message-text.streaming::after { content: ''; display: inline-block; width: 8px; height: 1.05em; margin-left: 3px; vertical-align: -3px; background: var(--blue-2); animation: blink-dot .8s steps(2) infinite; }
.typing { display: inline-flex; gap: 5px; padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, .05); }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--blue-2); animation: typing 1.1s ease-in-out infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typing { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-6px); opacity: 1; } }

/* ---------- Network ---------- */
.network-section { overflow: hidden; overflow: clip; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: radial-gradient(ellipse 80% 60% at 50% 60%, rgba(40, 60, 160, .22), transparent 70%), linear-gradient(180deg, rgba(8, 10, 16, .4), rgba(8, 10, 16, .85)); }
.network-glow { position: absolute; left: 50%; top: 55%; width: 900px; height: 900px; margin: -450px 0 0 -450px; border-radius: 50%; background: radial-gradient(circle, rgba(85, 115, 255, .14), transparent 60%); animation: glow-breathe 8s ease-in-out infinite; pointer-events: none; }
.network-heading { margin-bottom: 40px; }
.network-plan { display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--blue-2); }
.network-map { position: relative; max-width: 1080px; margin: 0 auto 30px; }
#world-map { width: 100%; height: auto; overflow: visible; }
.js .network-map #world-map { clip-path: inset(0 100% 0 0); transition: clip-path 2.2s var(--ease); }
.js .network-map.in #world-map { clip-path: inset(-20% -5% -20% 0); }
.map-land { opacity: .9; }
.route { stroke: url(#route-grad); stroke-width: 1.4; stroke-dasharray: 5 7; opacity: .4; animation: dash-flow 1.6s linear infinite; transition: opacity .5s, stroke-width .5s; }
@keyframes dash-flow { to { stroke-dashoffset: -24; } }
.map-packets circle { fill: #e6ebff; filter: drop-shadow(0 0 6px #7d95ff); }
.map-node .core { fill: #dfe6ff; stroke: #7d95ff; stroke-width: 2; transition: fill .4s; }
.map-node .halo { transform-box: fill-box; transform-origin: center; animation: core 3.4s ease-in-out infinite; opacity: .6; transition: opacity .4s; }
.map-node .ripple { fill: none; stroke: #8fa2ff; stroke-width: 1.2; transform-box: fill-box; transform-origin: center; animation: ripple 2.8s ease-out infinite; }
.map-node .ripple.r2 { animation-delay: 1.4s; }
@keyframes ripple { from { transform: scale(.6); opacity: .9; } to { transform: scale(3.6); opacity: 0; } }
.network-map[data-region="na"] .map-node[data-node="na"] .core, .network-map[data-region="eu"] .map-node[data-node="eu"] .core, .network-map[data-region="ap"] .map-node[data-node="ap"] .core { fill: #fff; stroke: #55d6ff; }
.network-map[data-region="na"] .map-node[data-node="na"] .halo, .network-map[data-region="eu"] .map-node[data-node="eu"] .halo, .network-map[data-region="ap"] .map-node[data-node="ap"] .halo { opacity: 1; }
.network-map[data-region="na"] .route.r-na, .network-map[data-region="eu"] .route.r-eu, .network-map[data-region="ap"] .route.r-ap { opacity: .95; stroke-width: 2; }
.map-scan { position: absolute; top: 4%; bottom: 4%; width: 90px; left: -120px; background: linear-gradient(90deg, transparent, rgba(85, 214, 255, .07)); border-right: 1px solid rgba(85, 214, 255, .3); -webkit-mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent); mask-image: linear-gradient(transparent, #000 25%, #000 75%, transparent); pointer-events: none; animation: map-scan 7s ease-in-out infinite; }
@keyframes map-scan { 0% { left: -120px; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
.map-labels { position: absolute; inset: 0; pointer-events: none; }
.map-label { position: absolute; transform: translate(-50%, 18px); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: #aab5d4; padding: 4px 9px; border-radius: 6px; background: rgba(8, 10, 16, .65); border: 1px solid var(--line); white-space: nowrap; transition: color .4s, border-color .4s, background .4s; }
.js .network-map .map-label { opacity: 0; transition: opacity .8s var(--ease) 1.4s, color .4s, border-color .4s, background .4s; }
.js .network-map.in .map-label { opacity: 1; }
.network-map[data-region="na"] .map-label[data-node="na"], .network-map[data-region="eu"] .map-label[data-node="eu"], .network-map[data-region="ap"] .map-label[data-node="ap"] { color: #fff; border-color: rgba(143, 162, 255, .6); background: rgba(85, 115, 255, .22); }
.map-origin { position: absolute; left: 1%; bottom: 6%; display: flex; align-items: center; gap: 12px; }
.map-origin > span { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; line-height: 1.7; color: var(--dim); }
.region-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.region-tabs button { position: relative; display: flex; align-items: center; gap: 16px; padding: 22px 4px; text-align: left; color: var(--muted); border-top: 1px solid var(--line-2); transition: color .3s; }
.tab-bar { position: absolute; left: 0; top: -1px; height: 2px; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .7s var(--ease); box-shadow: 0 0 14px rgba(85, 115, 255, .8); }
.region-tabs button.active .tab-bar { transform: scaleX(1); }
.region-tabs button.active, .region-tabs button:hover { color: #fff; }
.tab-num { font-family: var(--mono); font-size: 12px; color: var(--dim); }
.region-tabs strong { font-size: 18px; font-weight: 500; }
.tab-arrow { margin-left: auto; font-size: 20px; transition: transform .4s var(--ease); }
.region-tabs button:hover .tab-arrow, .region-tabs button.active .tab-arrow { transform: translate(3px, -3px); color: var(--blue-2); }
.region-description { margin-top: 6px; min-height: 56px; font-size: 15px; color: var(--muted); animation: fade-up .6s var(--ease); }

/* ---------- FAQ ---------- */
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 100px; }
.faq-intro { position: sticky; top: 120px; align-self: start; }
.faq-intro h2 { margin-top: 22px; }
.faq-intro > p { font-size: 16px; color: var(--muted); margin-top: 22px; }
.about-pill { display: flex; align-items: center; gap: 14px; margin-top: 40px; }
.about-pill > span { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; font-family: var(--mono); font-size: 13px; border: 1px solid rgba(143, 162, 255, .3); background: rgba(85, 115, 255, .1); color: #c4cfff; }
.about-pill strong { display: block; font-size: 15px; font-weight: 500; }
.about-pill small { display: block; font-size: 13px; color: var(--dim); margin-top: 2px; }
.faq-list details { border-bottom: 1px solid var(--line); transition: background .4s; }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; gap: 20px; padding: 28px 6px; cursor: pointer; list-style: none; font-size: 18px; font-weight: 500; transition: color .3s; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: #fff; }
.faq-num { font-family: var(--mono); font-size: 12px; color: var(--blue-2); }
.faq-q { flex: 1; }
.faq-icon { position: relative; width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; border: 1px solid var(--line-2); transition: transform .55s var(--spring), background .3s, border-color .3s; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; left: 50%; top: 50%; width: 13px; height: 1.6px; margin: -.8px 0 0 -6.5px; background: currentColor; border-radius: 2px; }
.faq-icon::after { transform: rotate(90deg); }
.faq-list details[open] .faq-icon { transform: rotate(135deg); background: var(--blue); border-color: var(--blue); color: #fff; }
.faq-list summary:hover .faq-icon { border-color: rgba(143, 162, 255, .6); }
.faq-body { overflow: hidden; }
.faq-body p { padding: 0 60px 28px 46px; font-size: 15px; color: var(--muted); }

/* ---------- Closing ---------- */
.closing-section { position: relative; padding: 40px 0 120px; }
.closing-panel { position: relative; overflow: hidden; overflow: clip; isolation: isolate; text-align: center; padding: 110px 40px 80px; border-radius: 36px; border: 1px solid rgba(143, 162, 255, .25); background: radial-gradient(ellipse 70% 80% at 50% 0%, rgba(85, 115, 255, .35), transparent 70%), radial-gradient(ellipse 50% 60% at 85% 100%, rgba(155, 123, 255, .25), transparent 70%), linear-gradient(180deg, #0f1324, #090b13); box-shadow: 0 60px 120px -40px rgba(60, 80, 255, .45); }
.closing-panel > *:not(.closing-beams):not(.closing-particles) { position: relative; z-index: 3; }
.closing-beams { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.closing-beams i { position: absolute; top: -40%; width: 1px; height: 40%; background: linear-gradient(180deg, transparent, rgba(143, 162, 255, .9), transparent); animation: beam-fall 5s linear infinite; }
.closing-beams i:nth-child(1) { left: 8%; animation-delay: 0s; } .closing-beams i:nth-child(2) { left: 19%; animation-delay: -2.2s; animation-duration: 6s; } .closing-beams i:nth-child(3) { left: 31%; animation-delay: -1.1s; animation-duration: 4.5s; } .closing-beams i:nth-child(4) { left: 46%; animation-delay: -3.4s; animation-duration: 7s; }
.closing-beams i:nth-child(5) { left: 58%; animation-delay: -.6s; animation-duration: 5.5s; } .closing-beams i:nth-child(6) { left: 70%; animation-delay: -4s; } .closing-beams i:nth-child(7) { left: 82%; animation-delay: -1.8s; animation-duration: 6.4s; } .closing-beams i:nth-child(8) { left: 93%; animation-delay: -2.9s; animation-duration: 4.8s; }
@keyframes beam-fall { to { transform: translateY(380%); } }
.closing-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.closing-particles i { position: absolute; width: var(--s, 3px); height: var(--s, 3px); border-radius: 50%; background: #c4cfff; box-shadow: 0 0 8px #8fa2ff; opacity: 0; animation: particle var(--t, 7s) ease-in-out var(--d, 0s) infinite; }
@keyframes particle { 0% { opacity: 0; transform: translateY(20px); } 30%, 70% { opacity: .9; } 100% { opacity: 0; transform: translateY(-90px); } }
.closing-mark { position: relative; width: 120px; height: 120px; margin: 0 auto 34px; display: grid; place-items: center; }
.closing-mark img { width: 60px; height: 60px; filter: drop-shadow(0 0 22px rgba(85, 115, 255, .9)); animation: float-y 4s ease-in-out infinite; }
.closing-mark .ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(143, 162, 255, .4); animation: ring-out 3.6s ease-out infinite; }
.closing-mark .ring.r2 { animation-delay: 1.2s; } .closing-mark .ring.r3 { animation-delay: 2.4s; }
@keyframes ring-out { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.9); opacity: 0; } }
.closing-panel h2 { word-break: keep-all; text-wrap: balance; font-size: clamp(38px, 5.2vw, 76px); max-width: 980px; margin: 24px auto 20px; background: linear-gradient(180deg, #fff 30%, #a8b6ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.closing-description { font-size: 18px; color: #b9c0d4; max-width: 640px; margin: 0 auto; }
.closing-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 40px; }
.closing-note { margin-top: 26px; font-size: 13px; color: var(--dim); }

/* ---------- Footer ---------- */
.footer { position: relative; z-index: 1; padding: 70px 0 110px; border-top: 1px solid var(--line); overflow: hidden; overflow: clip; }
.footer-main { display: flex; align-items: center; gap: 30px; }
.footer-main > p { font-size: 15px; color: var(--muted); }
.footer-links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; color: var(--muted); }
.footer-links > a, .footer-links > button { position: relative; transition: color .25s; }
.footer-links > a::after, .footer-links > button::after { content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--blue-2); transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease); }
.footer-links > a:hover, .footer-links > button:hover { color: #fff; }
.footer-links > a:hover::after, .footer-links > button:hover::after { transform: scaleX(1); transform-origin: left; }
.footer-word { margin: 40px 0 10px; padding-bottom: .06em; font-family: var(--display); font-weight: 600; font-size: clamp(90px, 21vw, 330px); line-height: 1; letter-spacing: -.07em; text-align: center; background: linear-gradient(180deg, rgba(240, 242, 247, .92) 10%, rgba(120, 140, 255, .4) 62%, rgba(85, 115, 255, .06)); -webkit-background-clip: text; background-clip: text; color: transparent; user-select: none; }
.footer-word .period { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--dim); }
.footer-bottom > span:last-child { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; }

/* ---------- Floating CTA ---------- */
.float-cta { position: fixed; right: 92px; bottom: 26px; z-index: 70; display: inline-flex; align-items: center; gap: 12px; padding: 13px 18px 13px 16px; border-radius: 999px; font-size: 14px; font-weight: 500; color: #fff; background: rgba(20, 26, 48, .78); border: 1px solid rgba(143, 162, 255, .45); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 16px 40px -10px rgba(40, 60, 220, .7); opacity: 0; transform: translateY(30px) scale(.9); pointer-events: none; transition: opacity .5s var(--ease), transform .6s var(--spring), background .3s; }
.float-cta.show { opacity: 1; transform: none; pointer-events: auto; }
.float-cta:hover { background: rgba(85, 115, 255, .85); }
.float-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.float-dot::after { content: ''; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--cyan); animation: ping 1.8s ease-out infinite; }

/* ---------- Modal ---------- */
dialog { width: min(560px, calc(100% - 32px)); max-height: 90dvh; overflow-y: auto; padding: 44px; border-radius: 28px; border: 1px solid rgba(143, 162, 255, .3); background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(85, 115, 255, .22), transparent 70%), #0c0f19; color: var(--ink); box-shadow: 0 50px 120px -20px rgba(0, 0, 0, .9), 0 0 80px -20px rgba(85, 115, 255, .5); }
dialog[open] { animation: modal-in .7s var(--spring) both; }
dialog.closing { animation: modal-out .3s var(--ease) both; }
dialog::backdrop { background: rgba(4, 5, 10, .6); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); animation: fade-in .4s ease both; }
dialog.closing::backdrop { animation: fade-out .3s ease both; }
@keyframes modal-in { from { opacity: 0; transform: translateY(40px) scale(.9); filter: blur(8px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes modal-out { to { opacity: 0; transform: translateY(20px) scale(.95); filter: blur(6px); } }
@keyframes fade-out { to { opacity: 0; } }
.modal-close { position: absolute; right: 18px; top: 18px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-2); transition: transform .5s var(--spring), background .3s; }
.modal-close span::before, .modal-close span::after { content: ''; position: absolute; left: 50%; top: 50%; width: 14px; height: 1.6px; margin: -.8px 0 0 -7px; background: currentColor; transform: rotate(45deg); }
.modal-close span::after { transform: rotate(-45deg); }
.modal-close:hover { transform: rotate(90deg); background: rgba(255, 255, 255, .08); }
.modal-logo { width: 50px; margin-bottom: 22px; filter: drop-shadow(0 0 16px rgba(85, 115, 255, .7)); animation: float-y 4s ease-in-out infinite; }
#modal-title { font-family: var(--display); font-size: 28px; line-height: 1.35; letter-spacing: -.02em; padding-right: 30px; }
#modal-content > * { animation: fade-up .7s var(--ease) both; }
#modal-content > *:nth-child(2) { animation-delay: .06s; } #modal-content > *:nth-child(3) { animation-delay: .12s; } #modal-content > *:nth-child(4) { animation-delay: .18s; } #modal-content > *:nth-child(5) { animation-delay: .24s; } #modal-content > *:nth-child(6) { animation-delay: .3s; } #modal-content > *:nth-child(n+7) { animation-delay: .36s; }
dialog p { font-size: 15px; color: var(--muted); margin-top: 16px; }
.modal-options { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.modal-options button { padding: 12px 20px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); font-family: var(--mono); font-size: 14px; transition: background .3s, border-color .3s, transform .4s var(--spring); }
.modal-options button:hover { transform: translateY(-2px); border-color: rgba(143, 162, 255, .6); }
.modal-options button.selected { background: linear-gradient(135deg, #6f88ff, #4a63f5); border-color: transparent; color: #fff; box-shadow: 0 8px 24px -6px rgba(85, 115, 255, .8); }
.modal-result { margin-top: 16px; padding: 16px 18px; border-radius: 14px; font-size: 14px; line-height: 1.8; color: #c3cadb; background: rgba(85, 115, 255, .08); border: 1px solid rgba(143, 162, 255, .2); }
.modal-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 24px; }
.modal-facts > div { padding: 16px 12px; border-radius: 14px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .03); }
.modal-facts strong { display: block; font-family: var(--display); font-size: 20px; font-weight: 500; }
.modal-facts span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--dim); }
.modal-action { margin-top: 26px; }
dialog .section-note { margin-top: 16px; font-size: 13px; }
.modal-brand-preview { margin-top: 24px; padding: 40px; display: grid; place-items: center; border-radius: 18px; border: 1px solid var(--line); background: radial-gradient(circle, rgba(85, 115, 255, .18), transparent 70%), rgba(255, 255, 255, .02); }
.modal-brand-preview img { width: 240px; max-height: 80px; object-fit: contain; }
.download-asset { display: inline-flex; margin: 20px 20px 0 0; padding-bottom: 4px; font-size: 14px; color: #dfe5ff; border-bottom: 1px solid rgba(143, 162, 255, .5); transition: color .2s, border-color .2s; }
.download-asset:hover { color: #fff; border-color: #fff; }

/* ---------- English tweaks ---------- */
html[lang="en"] .hero h1 { font-size: clamp(52px, 6.4vw, 100px); line-height: 1.02; }
html[lang="en"] .brand-cn { letter-spacing: .05em; }
html[lang="en"] h2 { letter-spacing: -.04em; }

/* ---------- Responsive ---------- */
/* ---------- System entry points: sign-in, regional hubs, support ---------- */
.header-login { padding: 9px 14px; border-radius: 999px; font-size: 13.5px; color: var(--muted); transition: color .25s, background .25s; white-space: nowrap; }
.header-login:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.nav .nav-account { display: none; }
.hub-cta { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; margin-top: 30px; padding: 22px 24px 22px 22px; border-radius: 22px; border: 1px solid rgba(143, 162, 255, .22); background: linear-gradient(120deg, rgba(85, 115, 255, .1), rgba(155, 123, 255, .05) 50%, rgba(255, 255, 255, .02)); overflow: hidden; isolation: isolate; }
.hub-cta-art { position: relative; display: grid; place-items: center; width: 86px; height: 86px; border-radius: 18px; border: 1px solid rgba(143, 162, 255, .3); background: radial-gradient(circle at 50% 40%, rgba(85, 115, 255, .25), rgba(10, 13, 22, .6) 70%); overflow: hidden; }
.hub-cta-art svg { width: 58px; height: 58px; overflow: visible; animation: float-y 4.6s ease-in-out infinite; filter: drop-shadow(0 0 14px rgba(85, 115, 255, .6)); }
.hub-face.top { fill: rgba(143, 162, 255, .55); } .hub-face.left { fill: rgba(85, 115, 255, .45); } .hub-face.right { fill: rgba(155, 123, 255, .5); }
.hub-edge { fill: none; stroke: rgba(230, 236, 255, .7); stroke-width: 1; }
.hub-led { fill: #7cf3d0; filter: drop-shadow(0 0 4px #7cf3d0); animation: hub-led 1.4s steps(1) infinite; } .hub-led.l2 { animation-delay: .7s; fill: #b9c5ff; }
@keyframes hub-led { 50% { opacity: .15; } }
.hub-scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: linear-gradient(90deg, transparent, #8fa2ff, transparent); box-shadow: 0 0 12px #5573ff; animation: hub-scan 2.8s var(--ease) infinite; }
@keyframes hub-scan { 0% { transform: translateY(0); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { transform: translateY(84px); opacity: 0; } }
.hub-cta-kicker { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--blue-2); }
.hub-cta-copy strong { display: block; margin-top: 4px; font-family: var(--display); font-size: 21px; font-weight: 500; letter-spacing: -.01em; color: #fff; }
.hub-cta-copy p { margin-top: 4px; font-size: 14.5px; line-height: 1.75; color: var(--muted); max-width: 46em; }
.faq-contact { display: flex; align-items: center; gap: 14px; width: fit-content; margin-top: 18px; padding: 10px 18px 10px 10px; border-radius: 16px; border: 1px solid rgba(143, 162, 255, .25); background: rgba(85, 115, 255, .06); text-align: left; transition: transform .45s var(--spring), border-color .3s, background .3s; }
.faq-contact:hover { transform: translateY(-2px); border-color: rgba(143, 162, 255, .6); background: rgba(85, 115, 255, .12); }
.faq-contact-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--grad, linear-gradient(135deg, #5573ff, #9b7bff)); color: #fff; box-shadow: 0 8px 22px -8px rgba(85, 115, 255, .8); }
.faq-contact-icon svg { width: 22px; height: 22px; }
.faq-contact strong { display: block; font-size: 15px; font-weight: 500; color: #fff; }
.faq-contact small { display: block; margin-top: 2px; font-size: 13px; color: var(--dim); }
.faq-contact-arrow { margin-left: 6px; color: var(--blue-2); transition: transform .35s var(--ease); }
.faq-contact:hover .faq-contact-arrow { transform: translateX(4px); }
.model-footnote a { color: var(--muted); border-bottom: 1px solid rgba(143, 162, 255, .4); padding-bottom: 1px; transition: color .25s, border-color .25s; }
.model-footnote a:hover { color: #fff; border-color: var(--blue-2); }
.modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.modal-actions .modal-action { margin-top: 0; }
.modal-hub-link { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding: 13px 16px; border-radius: 14px; border: 1px solid rgba(143, 162, 255, .22); background: rgba(85, 115, 255, .07); color: #dfe5ff; font-size: 14px; line-height: 1.5; transition: border-color .3s, background .3s, transform .4s var(--spring); }
.modal-hub-link:hover { border-color: rgba(143, 162, 255, .55); background: rgba(85, 115, 255, .13); transform: translateY(-2px); }
.modal-hub-link > span:last-child { margin-left: auto; color: var(--blue-2); }
.modal-hub-box { width: 24px; height: 24px; flex-shrink: 0; border-radius: 6px; background: linear-gradient(135deg, #8fa2ff, #5573ff 55%, #9b7bff); box-shadow: 0 0 14px rgba(85, 115, 255, .6); animation: spin-slow 8s linear infinite; }
@keyframes spin-slow { to { transform: rotate(360deg); } }
dialog .section-note a { color: var(--blue-2); text-decoration: underline; text-underline-offset: 3px; }

@media (min-width: 641px) {
  .hero-bottom { padding-right: 72px; } /* keeps the scroll cue clear of the support launcher */
}
@media (min-width: 1600px) {
  .wrap { width: min(1360px, calc(100% - 160px)); }
}
@media (max-width: 1180px) {
  .header-login { display: none; }
  .wrap { width: calc(100% - 64px); }
  .header-console { display: none; }
  .nav a { padding: 8px 12px; }
  .share-layout, .model-layout, .faq-layout { gap: 64px; }
  .section { padding: 120px 0; }
  .bento-card { min-height: 340px; }
  .hud-hub { right: 0; }
}
@media (max-width: 960px) {
  :root { --header-h: 72px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line-2); align-items: center; position: relative; z-index: 3; }
  .menu-toggle span { width: 16px; height: 1.5px; background: var(--ink); transition: transform .45s var(--spring); }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .nav { position: fixed; inset: 0; z-index: 2; flex-direction: column; justify-content: center; align-items: flex-start; gap: 8px; padding: 100px 32px 120px; border: 0; border-radius: 0; background: rgba(6, 7, 11, .94); -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px); font-size: 34px; font-family: var(--display); color: var(--ink); opacity: 0; visibility: hidden; transition: opacity .45s var(--ease), visibility .45s; }
  .nav.open { opacity: 1; visibility: visible; }
  .nav a { padding: 8px 0; border-radius: 0; opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease), transform .7s var(--ease); }
  .nav a:hover { background: none; color: var(--blue-2); }
  .nav.open a, .nav.open .nav-cta { opacity: 1; transform: none; }
  .header-login { display: none; }
  .nav .nav-account { display: block; color: var(--blue-2); }
  .hub-cta { grid-template-columns: auto 1fr; }
  .hub-cta-button { grid-column: 1 / -1; justify-self: start; }
  .nav.open a:nth-child(1) { transition-delay: .08s; } .nav.open a:nth-child(2) { transition-delay: .14s; } .nav.open a:nth-child(3) { transition-delay: .2s; } .nav.open a:nth-child(4) { transition-delay: .26s; }
  .nav .nav-cta { display: inline-flex; margin-top: 26px; font-family: var(--font); font-size: 16px; padding: 16px 24px; opacity: 0; transform: translateY(24px); transition: opacity .6s var(--ease) .32s, transform .7s var(--ease) .32s; }
  .header-actions { position: relative; z-index: 3; }
  .header-inner { position: relative; }
  .brand { position: relative; z-index: 3; }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 0; }
  .hero-copy { padding-bottom: 0; }
  .hero h1 { font-size: clamp(56px, 11vw, 100px); }
  html[lang="en"] .hero h1 { font-size: clamp(50px, 9.4vw, 88px); }
  .hero-visual { min-height: 0; height: 74vw; max-height: 620px; margin-top: 10px; }
  .globe-canvas { width: 120%; left: -10%; height: 112%; top: -6%; }
  .hud-hub { top: 14%; right: 2%; }
  .hud-model { top: 72%; right: 2%; }
  .hud-node { bottom: 6%; left: 0; }
  .hud-label { top: 2%; left: 0; }
  .hud-concept { display: none; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 22px; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-wide { grid-column: span 2; }
  .timeline { display: none; }
  .steps { grid-template-columns: 1fr; max-width: 560px; }
  .share-layout { grid-template-columns: 1fr; }
  .agent-wrap { order: 2; max-width: 560px; }
  .model-layout { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .faq-intro { position: static; }
  .footer-main { flex-wrap: wrap; }
  .footer-links { margin-left: 0; width: 100%; }
}
@media (max-width: 640px) {
  .hub-cta { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  .hub-cta-art { width: 68px; height: 68px; }
  .hub-cta-art svg { width: 46px; height: 46px; }
  .hub-cta-button { width: 100%; justify-content: space-between; }
  .faq-contact { width: 100%; }
  .modal-actions .button { width: 100%; justify-content: space-between; }
  :root { --header-h: 64px; }
  html { scroll-padding-top: 72px; }
  body { font-size: 15px; }
  .wrap { width: calc(100% - 40px); }
  .header-cta { display: none; }
  .header.scrolled .header-inner { height: 60px; }
  .brand-word { font-size: 25px; }
  .brand img { width: 30px; height: 30px; }
  .brand-cn { display: none; }
  .language { font-size: 12px; padding: 8px; }
  .nav { font-size: 30px; padding: 90px 24px 130px; }
  .hero { padding-top: calc(var(--header-h) + 18px); }
  .hero-pill { font-size: 12px; gap: 9px; }
  .pill-tag { font-size: 10px; padding: 4px 8px; }
  .hero h1 { font-size: clamp(46px, 14vw, 62px); margin: 24px 0 20px; }
  html[lang="en"] .hero h1 { font-size: clamp(42px, 12.4vw, 56px); }
  .hero-description { font-size: 16px; }
  .hero-description br { display: none; }
  .hero-buttons { margin-top: 30px; gap: 10px; }
  .hero-buttons .button { flex: 1 1 auto; }
  .button-lg { padding: 15px 20px; font-size: 14px; }
  .platforms { margin-top: 24px; }
  .hero-visual { height: 96vw; }
  .globe-canvas { width: 136%; left: -18%; height: 116%; top: -8%; }
  .hud { font-size: 10px; letter-spacing: .08em; }
  .hud-label { padding: 6px 11px; }
  .hud-tag { padding: 5px 9px; }
  .hud-model { top: 66%; }
  .hud-node { padding: 10px 13px; gap: 10px; border-radius: 13px; bottom: 2%; }
  .computer-icon { width: 34px; height: 34px; }
  .hud-node strong { font-size: 13px; }
  .node-caption { font-size: 10px; }
  .hero-bottom { gap: 14px; font-size: 10.5px; }
  .hero-bottom-group { gap: 14px; }
  .hide-sm { display: none; }
  .marquee { padding: 24px 0; }
  .section { padding: 96px 0; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2 { margin-top: 18px; }
  h2 { font-size: clamp(32px, 9vw, 42px); }
  .section-heading > p, .section-heading > div > p { font-size: 15px; }
  .section-heading p br, .section-description br { display: none; }
  .section-description { font-size: 16px; }
  .eyebrow { font-size: 11px; letter-spacing: .12em; }
  .bento { grid-template-columns: 1fr; gap: 16px; }
  .bento-wide { grid-column: auto; }
  .bento-card { min-height: 0; border-radius: 20px; }
  .bento-art { min-height: 180px; padding: 20px; }
  .bento-copy { padding: 0 24px 26px; }
  .bento-copy h3 { font-size: 20px; }
  .art-layers { gap: 26px; }
  .layer-stack { width: 150px; height: 140px; transform: scale(.85); }
  .art-dial svg { width: 160px; height: 160px; }
  .step-art { height: 180px; }
  .step h3 { font-size: 20px; }
  .agent-preview { padding: 22px 20px; border-radius: 22px; }
  .agent-balance strong { font-size: 64px; }
  .resource-name small { font-size: 12.5px; }
  .model-layout { gap: 48px; }
  .chat-preview { padding: 18px; }
  .chat-messages { height: 280px; }
  .network-heading p br { display: none; }
  .map-label { font-size: 10px; padding: 3px 6px; letter-spacing: .06em; transform: translate(-50%, 10px); }
  .map-label[data-node="ap"]:nth-child(4) { transform: translate(-80%, 10px); }
  .map-origin { display: none; }
  .region-tabs { gap: 10px; }
  .region-tabs button { gap: 8px; padding: 18px 0; flex-wrap: wrap; }
  .region-tabs strong { font-size: 16px; }
  .tab-arrow { display: none; }
  .faq-list summary { font-size: 16px; padding: 22px 2px; gap: 14px; }
  .faq-body p { padding: 0 8px 24px 32px; font-size: 14.5px; }
  .faq-icon { width: 32px; height: 32px; }
  .closing-section { padding: 10px 0 90px; }
  .closing-panel { padding: 80px 22px 56px; border-radius: 26px; }
  .closing-description { font-size: 16px; }
  .closing-buttons .button { width: 100%; }
  .footer { padding: 56px 0 100px; }
  .footer-main { gap: 16px; }
  .footer-links { gap: 20px; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .float-cta { right: 14px; bottom: 78px; padding: 11px 15px 11px 13px; font-size: 13px; }
  dialog { padding: 32px 24px; border-radius: 24px; }
  #modal-title { font-size: 23px; }
  .modal-facts strong { font-size: 17px; }
}
@media (max-width: 380px) {
  .wrap { width: calc(100% - 32px); }
  .hero-buttons .button { width: 100%; }
  .platform-divider { display: none; }
}
@media (pointer: coarse) {
  .cursor-glow { display: none; }
}