:root {
  --ink: #080a10;
  --ink-2: #10131c;
  --paper: #f4f5f7;
  --white: #ffffff;
  --muted: #a5adbd;
  --muted-dark: #5f6673;
  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(8, 10, 16, 0.12);
  --blue: #5576ff;
  --blue-bright: #7192ff;
  --cyan: #50e6ff;
  --lime: #c8ff57;
  --violet: #9a72ff;
  --green: #67edbd;
  --radius: 22px;
  --shadow: 0 28px 90px rgba(3, 5, 11, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.modal-open { overflow: hidden; }
button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button { border: 0; }
::selection { background: rgba(80, 230, 255, 0.3); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.eyebrow, .kicker {
  margin: 0;
  color: var(--blue-bright);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-weight: 760;
  cursor: pointer;
  transition: transform 0.22s ease, background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.button-primary { background: var(--lime); color: #0b1208; box-shadow: 0 14px 40px rgba(200, 255, 87, 0.16); }
.button-primary:hover { background: #d6ff83; }
.button-ghost { border-color: var(--line); background: rgba(255, 255, 255, 0.045); }
.button-ghost:hover { border-color: rgba(255, 255, 255, 0.3); }
.button-small { min-height: 42px; padding: 8px 16px; background: var(--white); color: var(--ink); font-size: 14px; }
.button-dark { margin-top: 28px; background: var(--ink); color: var(--white); }
.button-white { background: var(--white); color: #182113; }
.button-outline { border-color: rgba(8, 10, 16, 0.36); color: var(--ink); }
.play-dot { width: 26px; height: 26px; display: grid; place-items: center; padding-left: 2px; border-radius: 50%; background: rgba(255,255,255,.1); font-size: 9px; }

/* Navigation */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(8, 10, 16, 0.55);
  backdrop-filter: blur(20px);
  transition: background 0.25s ease, border-color 0.25s ease;
}
.site-header.scrolled { background: rgba(8, 10, 16, 0.9); border-color: var(--line); }
.nav-shell { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-mark {
  position: relative;
  width: 39px;
  height: 39px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  overflow: hidden;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--blue), #2737b6);
  box-shadow: 0 8px 30px rgba(85, 118, 255, 0.28);
}
.brand-mark::after { content: ""; position: absolute; inset: 1px; border: 1px solid rgba(255,255,255,.28); border-radius: 11px; }
.brand-mark i { width: 4px; height: 18px; border-radius: 3px; background: #fff; transform: skew(-12deg); }
.brand-mark i:first-child { height: 12px; }
.brand-mark i:last-child { height: 24px; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 16px; letter-spacing: 0.11em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 10px; letter-spacing: 0.05em; }
.desktop-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.desktop-nav a { padding: 8px 11px; border-radius: 999px; color: #bcc4d2; font-size: 13px; transition: color .2s, background .2s; }
.desktop-nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.text-button { padding: 8px 10px; background: none; color: #d4d9e3; font-size: 13px; cursor: pointer; }
.menu-button { width: 42px; height: 42px; display: none; place-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.04); cursor: pointer; }
.menu-button span { width: 16px; height: 1px; background: #fff; transition: transform .2s ease; }
.menu-button.active span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-button.active span:last-child { transform: translateY(-3px) rotate(-45deg); }
.mobile-nav { padding: 8px 24px 20px; border-top: 1px solid var(--line); background: rgba(8,10,16,.98); }
.mobile-nav a, .mobile-nav button { display: block; width: 100%; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.07); background: none; text-align: left; cursor: pointer; }

/* Hero */
.hero { position: relative; min-height: 920px; padding: 152px 0 0; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,10,16,.22), rgba(8,10,16,.5)); pointer-events: none; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .34; pointer-events: none; }
.hero-orb-one { width: 560px; height: 560px; top: -180px; right: 5%; background: #213dff; }
.hero-orb-two { width: 340px; height: 340px; bottom: 90px; left: -110px; background: #00515f; }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr); align-items: center; gap: 54px; }
.kicker { display: inline-flex; align-items: center; gap: 9px; color: #d7dcef; letter-spacing: .08em; }
.kicker span { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 16px var(--lime); }
.hero h1 { margin: 22px 0 22px; font-size: clamp(54px, 6.1vw, 86px); line-height: .98; letter-spacing: -.065em; }
.hero h1 em { color: transparent; background: linear-gradient(100deg, #fff 4%, #80ecff 44%, #8a8cff 76%, #fff); background-clip: text; -webkit-background-clip: text; font-style: normal; }
.hero-lead { max-width: 640px; margin: 0; color: #b8c0ce; font-size: 17px; line-height: 1.9; }
.command-promise { max-width: 610px; display: flex; align-items: center; gap: 13px; margin: 26px 0 0; padding: 14px 16px; border: 1px solid rgba(80,230,255,.18); border-radius: 14px; background: linear-gradient(90deg, rgba(80,230,255,.08), rgba(85,118,255,.04)); }
.command-prompt { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 9px; background: rgba(80,230,255,.12); color: var(--cyan); font-weight: 900; }
.command-promise p { margin: 0; color: #c4cbd7; font-size: 14px; }
.command-promise strong { display: block; color: var(--white); font-size: 13px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 32px; }
.hero-facts div { padding-left: 12px; border-left: 1px solid rgba(255,255,255,.16); }
.hero-facts strong, .hero-facts span { display: block; }
.hero-facts strong { font-size: 15px; }
.hero-facts span { margin-top: 2px; color: var(--muted); font-size: 10px; }
.hero-product { position: relative; min-height: 610px; }
.product-glow { position: absolute; inset: 14% 10%; border-radius: 50%; background: rgba(85,118,255,.25); filter: blur(70px); }
.console-window { position: absolute; left: 0; top: 26px; width: 100%; min-height: 488px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 22px; background: rgba(14,17,25,.92); box-shadow: var(--shadow); transform: perspective(1400px) rotateY(-5deg) rotateX(2deg); transform-origin: left center; }
.window-bar { height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 16px; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.025); color: #b5becc; font-size: 11px; }
.window-brand { display: flex; align-items: center; gap: 8px; }
.window-brand b { width: 16px; height: 16px; border-radius: 5px; background: var(--blue); }
.window-status { display: flex; align-items: center; gap: 7px; }
.window-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.console-body { min-height: 436px; display: grid; grid-template-columns: 58px 1fr; }
.console-sidebar { display: flex; flex-direction: column; align-items: center; gap: 24px; padding: 17px 0; border-right: 1px solid rgba(255,255,255,.07); background: #0a0d13; }
.side-logo { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: var(--blue); font-size: 8px; font-weight: 900; }
.console-sidebar i { width: 20px; height: 20px; border: 1px solid rgba(255,255,255,.13); border-radius: 6px; }
.console-sidebar i.active { background: rgba(85,118,255,.2); border-color: var(--blue); }
.console-main { padding: 30px 30px 26px; }
.console-intro { text-align: center; }
.console-intro span { color: var(--blue-bright); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.console-intro h2 { margin: 8px 0 22px; font-size: 24px; letter-spacing: -.025em; }
.console-command { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 18px; border: 1px solid rgba(113,146,255,.28); border-radius: 16px; background: linear-gradient(145deg, rgba(85,118,255,.13), rgba(255,255,255,.04)); box-shadow: 0 12px 40px rgba(0,0,0,.18); }
.console-command small { color: #778194; font-size: 9px; }
.console-command p { margin: 3px 0 0; color: #eef1f7; font-size: 12px; }
.console-command button { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; background: var(--lime); color: #151b0d; font-size: 19px; cursor: pointer; }
.task-strip { display: flex; gap: 8px; margin: 18px 0 12px; }
.task-strip span { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; border-radius: 999px; background: rgba(255,255,255,.04); color: #8993a5; font-size: 8px; }
.task-strip i { width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.task-list { display: grid; gap: 8px; }
.task-list article { min-height: 58px; display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px solid rgba(255,255,255,.07); border-radius: 12px; background: rgba(255,255,255,.025); }
.task-list article > div { flex: 1; min-width: 0; }
.task-list strong, .task-list small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-list strong { font-size: 10px; }
.task-list small { margin-top: 3px; color: #778194; font-size: 8px; }
.task-list article > b { color: var(--green); font-size: 9px; }
.task-icon { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 8px; font-size: 8px; font-weight: 800; }
.task-icon.blue { background: rgba(85,118,255,.18); color: #9aafff; }
.task-icon.violet { background: rgba(154,114,255,.18); color: #c4adff; }
.task-icon.green { background: rgba(103,237,189,.14); color: var(--green); }
.phone-float { position: absolute; z-index: 3; right: -40px; bottom: 2px; }
.phone-frame { position: relative; width: 190px; height: 390px; overflow: hidden; padding: 6px; border: 1px solid rgba(255,255,255,.24); border-radius: 30px; background: #06080d; box-shadow: 0 28px 80px rgba(0,0,0,.54); transform: rotate(2deg); }
.phone-frame img { width: 100%; height: 100%; border-radius: 25px; object-fit: cover; object-position: top; }
.phone-island { position: absolute; z-index: 2; top: 12px; left: 50%; width: 62px; height: 16px; border-radius: 99px; background: #050608; transform: translateX(-50%); }
.phone-live { position: absolute; right: 142px; bottom: 46px; width: max-content; display: flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; background: rgba(9,12,18,.86); backdrop-filter: blur(12px); color: #cbd3df; font-size: 9px; }
.phone-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.result-toast { position: absolute; z-index: 4; left: 62px; bottom: 18px; display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1px solid rgba(200,255,87,.2); border-radius: 14px; background: rgba(12,15,20,.88); box-shadow: 0 16px 40px rgba(0,0,0,.35); backdrop-filter: blur(18px); }
.result-toast > span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--lime); color: #141a0e; font-weight: 900; }
.result-toast p { margin: 0; }
.result-toast strong, .result-toast small { display: block; }
.result-toast strong { font-size: 10px; }
.result-toast small { color: var(--muted); font-size: 8px; }
.hero-ribbon { position: absolute; z-index: 3; inset: auto 0 0; height: 72px; display: flex; align-items: center; overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.ribbon-track { width: max-content; min-width: 100%; display: flex; align-items: center; justify-content: center; gap: 24px; padding: 0 24px; white-space: nowrap; color: #8f98a9; font-size: 11px; letter-spacing: .08em; }
.ribbon-track i { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); }

/* Statements and shared heads */
.statement-section { padding: 144px 0; background: var(--paper); color: var(--ink); }
.statement { display: grid; grid-template-columns: 120px 1.5fr .65fr; align-items: start; gap: 48px; }
.section-index { margin: 12px 0 0; color: #848b96; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.statement h2 { margin: 0; font-size: clamp(42px, 5.4vw, 70px); line-height: 1.08; letter-spacing: -.055em; }
.statement h2 span { color: var(--blue); }
.statement > p:last-child { margin: 12px 0 0; color: var(--muted-dark); font-size: 15px; line-height: 1.9; }
.section-head, .workflow-head { display: grid; grid-template-columns: 1fr .62fr; align-items: end; gap: 70px; margin-bottom: 42px; }
.section-head h2, .workflow-head h2 { margin: 12px 0 0; font-size: clamp(38px, 4.7vw, 62px); line-height: 1.08; letter-spacing: -.05em; }
.section-head > p, .workflow-head > p { margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.section-head-light { color: var(--ink); }
.section-head-light > p { color: var(--muted-dark); }

/* Command center */
.command-section { padding: 130px 0; background: #0a0c13; }
.command-showcase { position: relative; min-height: 600px; overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(135deg, rgba(85,118,255,.14), rgba(255,255,255,.025)); box-shadow: var(--shadow); }
.real-screen { position: absolute; inset: 26px 32% 26px 26px; overflow: hidden; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; background: #eef2f8; }
.real-screen img { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.screen-label { position: absolute; z-index: 2; inset: 14px auto auto 14px; display: flex; gap: 8px; }
.screen-label span, .screen-label small { padding: 6px 9px; border-radius: 999px; background: rgba(8,10,16,.82); color: #fff; font-size: 8px; backdrop-filter: blur(10px); }
.screen-label small { background: rgba(255,255,255,.9); color: #141821; }
.command-card { position: absolute; z-index: 3; top: 44px; right: 28px; bottom: 44px; width: 39%; padding: 28px; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; background: rgba(9,12,18,.92); backdrop-filter: blur(24px); box-shadow: 0 24px 70px rgba(0,0,0,.45); }
.card-label { margin: 0; color: var(--blue-bright); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.command-card blockquote { margin: 16px 0 24px; font-size: 18px; font-weight: 700; line-height: 1.65; }
.command-card ol { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.command-card li { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 11px; padding: 12px; border: 1px solid rgba(255,255,255,.07); border-radius: 13px; background: rgba(255,255,255,.025); }
.command-card li > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: rgba(255,255,255,.06); color: #7f8999; font-size: 8px; font-weight: 800; }
.command-card li strong, .command-card li small { display: block; }
.command-card li strong { font-size: 11px; }
.command-card li small { color: #747e8e; font-size: 8px; }
.command-card li b { color: #697386; font-size: 8px; }
.command-card li.done > span { background: rgba(103,237,189,.12); color: var(--green); }
.command-card li.done b { color: var(--green); }
.command-card li.running { border-color: rgba(85,118,255,.24); background: rgba(85,118,255,.08); }
.command-card li.running > span { background: var(--blue); color: #fff; }
.command-card li.running b { color: #9aafff; }

/* Engines */
.engine-section { padding: 136px 0; background: var(--paper); color: var(--ink); }
.engine-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.engine-card { position: relative; min-height: 330px; display: flex; flex-direction: column; overflow: hidden; padding: 24px; border: 1px solid var(--line-dark); border-radius: 20px; background: rgba(255,255,255,.8); }
.engine-card.featured { grid-column: span 2; background: var(--ink); color: #fff; }
.engine-number { color: #939aa5; font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.engine-title { display: flex; align-items: center; gap: 12px; margin-top: 50px; }
.engine-symbol { width: 42px; height: 42px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(85,118,255,.2); border-radius: 13px; background: rgba(85,118,255,.08); color: var(--blue); font-size: 14px; font-weight: 900; }
.featured .engine-symbol { border-color: rgba(80,230,255,.24); background: rgba(80,230,255,.08); color: var(--cyan); }
.engine-title h3 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.engine-card > p { max-width: 390px; margin: 15px 0 22px; color: var(--muted-dark); font-size: 13px; line-height: 1.8; }
.featured > p { max-width: 310px; color: #aeb7c6; }
.engine-card ul { display: flex; flex-wrap: wrap; gap: 6px; margin: auto 0 0; padding: 0; list-style: none; }
.engine-card li { padding: 5px 8px; border-radius: 999px; background: #eceef2; color: #6e7682; font-size: 8px; }
.featured li { background: rgba(255,255,255,.07); color: #aab4c4; }
.brain-visual { position: absolute; right: 25px; bottom: 28px; width: 180px; height: 180px; border: 1px solid rgba(80,230,255,.18); border-radius: 50%; }
.brain-visual::before, .brain-visual::after { content: ""; position: absolute; border: 1px solid rgba(85,118,255,.28); border-radius: 50%; }
.brain-visual::before { inset: 22px; }
.brain-visual::after { inset: 52px; }
.brain-visual b { position: absolute; inset: 0; display: grid; place-items: center; color: var(--cyan); font-size: 20px; }
.brain-visual i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.brain-visual i:nth-child(1) { left: 17px; top: 68px; }.brain-visual i:nth-child(2) { right: 34px; top: 18px; }.brain-visual i:nth-child(3) { right: 12px; bottom: 48px; }.brain-visual i:nth-child(4) { left: 44px; bottom: 12px; }

/* Workflow */
.workflow-section { padding: 138px 0; background: #080a10; }
.workflow-board { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-top: 50px; }
.timeline-line { position: absolute; left: 0; right: 0; top: 19px; height: 1px; background: linear-gradient(90deg, var(--blue), var(--cyan), var(--lime)); }
.timeline-line i { position: absolute; left: 0; top: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); animation: timeline-run 8s linear infinite; }
@keyframes timeline-run { to { left: 100%; } }
.workflow-board article { position: relative; min-height: 280px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(150deg, rgba(255,255,255,.055), rgba(255,255,255,.02)); }
.workflow-board time { color: #fff; font-size: 32px; font-weight: 720; letter-spacing: -.04em; }
.time-dot { position: absolute; top: -35px; left: 24px; width: 9px; height: 9px; border: 2px solid var(--ink); border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(80,230,255,.15); }
.workflow-board article small { display: block; margin-top: 32px; color: var(--blue-bright); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.workflow-board article h3 { margin: 8px 0 10px; font-size: 18px; line-height: 1.4; }
.workflow-board article p { margin: 0; color: #8f99a9; font-size: 12px; line-height: 1.8; }
.workflow-board article b { position: absolute; left: 24px; bottom: 22px; padding: 5px 9px; border-radius: 999px; background: rgba(85,118,255,.12); color: #90a6ff; font-size: 8px; }
.workflow-loop { grid-column: 1 / -1; display: flex; align-items: center; justify-content: center; gap: 13px; min-height: 78px; border: 1px dashed rgba(200,255,87,.24); border-radius: 20px; background: rgba(200,255,87,.04); }
.workflow-loop > span { color: var(--lime); font-size: 26px; }
.workflow-loop p { margin: 0; color: #9ca6b6; font-size: 12px; }
.workflow-loop strong { display: block; color: #fff; font-size: 13px; }

/* Screens */
.screens-section { padding: 138px 0; background: #0d1018; }
.screen-tabs { display: flex; gap: 7px; margin-bottom: 18px; overflow-x: auto; scrollbar-width: none; }
.screen-tabs::-webkit-scrollbar { display: none; }
.screen-tabs button { flex: 0 0 auto; padding: 10px 15px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.025); color: #8f99a9; font-size: 12px; cursor: pointer; }
.screen-tabs button[aria-selected="true"] { border-color: var(--blue); background: var(--blue); color: #fff; }
.screen-stage { position: relative; overflow: hidden; padding-top: 42px; border: 1px solid var(--line); border-radius: 24px; background: #f5f7fa; box-shadow: var(--shadow); }
.screen-toolbar { position: absolute; inset: 0 0 auto; height: 42px; display: flex; align-items: center; gap: 6px; padding: 0 14px; border-bottom: 1px solid rgba(8,10,16,.08); background: #e9ecf1; }
.screen-toolbar i { width: 7px; height: 7px; border-radius: 50%; background: #b9bec7; }
.screen-toolbar span { margin-left: 8px; color: #868e9b; font-size: 8px; }
.screen-stage > img { width: 100%; aspect-ratio: 2.05 / 1; object-fit: cover; object-position: top left; transition: opacity .18s ease; }
.screen-caption { position: absolute; z-index: 2; left: 20px; bottom: 20px; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(8,10,16,.83); backdrop-filter: blur(18px); box-shadow: 0 14px 40px rgba(0,0,0,.25); }
.screen-caption > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 8px; background: var(--blue); font-size: 8px; font-weight: 800; }
.screen-caption p { margin: 0; }
.screen-caption strong, .screen-caption small { display: block; }
.screen-caption strong { font-size: 11px; }
.screen-caption small { color: #aab3c2; font-size: 8px; }

/* Difference */
.difference-section { padding: 136px 0; background: var(--paper); color: var(--ink); }
.difference-head { display: grid; grid-template-columns: .45fr 1fr; align-items: end; gap: 80px; margin-bottom: 54px; }
.difference-head h2 { margin: 0; font-size: clamp(44px, 5.5vw, 72px); line-height: 1.06; letter-spacing: -.06em; }
.difference-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.difference-grid article { min-height: 268px; padding: 28px 22px; border-right: 1px solid var(--line-dark); }
.difference-grid article:last-child { border-right: 0; }
.difference-grid article > span { color: var(--blue); font-size: 10px; font-weight: 800; }
.difference-grid h3 { margin: 84px 0 10px; font-size: 21px; }
.difference-grid p { margin: 0; color: var(--muted-dark); font-size: 12px; line-height: 1.8; }
.value-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 16px; }
.value-strip > div { min-height: 90px; display: flex; align-items: center; gap: 13px; padding: 16px; border-radius: 15px; background: #e9ebef; }
.value-strip > div > span { width: 36px; height: 36px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--white); color: var(--blue); font-weight: 900; }
.value-strip p { margin: 0; }
.value-strip strong, .value-strip small { display: block; }
.value-strip strong { font-size: 12px; }
.value-strip small { margin-top: 3px; color: #737a86; font-size: 8px; }

/* Scenarios */
.scenario-section { padding: 136px 0; background: #e9ebef; color: var(--ink); }
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.scenario-grid article { position: relative; min-height: 290px; display: flex; flex-direction: column; padding: 24px; overflow: hidden; border: 1px solid var(--line-dark); border-radius: 20px; background: rgba(255,255,255,.72); }
.scenario-grid article::before { content: ""; position: absolute; width: 160px; height: 160px; right: -55px; top: -55px; border: 1px solid rgba(85,118,255,.18); border-radius: 50%; box-shadow: 0 0 0 24px rgba(85,118,255,.035), 0 0 0 48px rgba(85,118,255,.02); }
.scenario-grid .scenario-large { grid-column: span 2; color: #fff; background: linear-gradient(135deg, #11182a, #17266a); }
.scenario-grid small { color: var(--blue); font-size: 10px; font-weight: 900; }
.scenario-large small { color: var(--cyan); }
.scenario-grid h3 { max-width: 300px; margin: auto 0 10px; font-size: 22px; line-height: 1.3; }
.scenario-grid p { max-width: 380px; margin: 0 0 30px; color: var(--muted-dark); font-size: 12px; }
.scenario-large p { color: #b9c5dd; }
.scenario-grid article > span { margin-top: auto; color: #858d99; font-size: 8px; font-weight: 800; letter-spacing: .12em; }
.scenario-large > span { color: #8da7ff; }

/* About */
.about-section { padding: 138px 0; background: #090b12; }
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.about-copy h2 { margin: 13px 0 24px; font-size: clamp(44px, 5.2vw, 68px); line-height: 1.06; letter-spacing: -.055em; }
.about-copy > p:not(.eyebrow) { margin: 0; color: #a8b1c0; font-size: 14px; line-height: 2; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.about-tags span { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: #aab4c3; font-size: 10px; }
.about-panel { padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, rgba(85,118,255,.12), rgba(255,255,255,.025)); }
.panel-kicker { margin: 0 0 20px; color: var(--blue-bright); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.about-panel ol { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; padding: 0; list-style: none; }
.about-panel li { min-height: 125px; display: flex; flex-direction: column; justify-content: space-between; padding: 17px; border: 1px solid rgba(255,255,255,.08); border-radius: 15px; background: rgba(255,255,255,.03); }
.about-panel li > span { color: #667189; font-size: 9px; font-weight: 800; }
.about-panel strong, .about-panel small { display: block; }
.about-panel strong { font-size: 13px; }
.about-panel small { margin-top: 3px; color: #858f9f; font-size: 9px; }
.compliance-note { margin: 16px 0 0; padding: 14px 15px; border-left: 2px solid var(--lime); background: rgba(200,255,87,.04); color: #8993a4; font-size: 9px; line-height: 1.7; }
.compliance-note strong { display: inline; margin-right: 5px; color: #dce4ef; }

/* FAQ */
.faq-section { padding: 136px 0; background: var(--paper); color: var(--ink); }
.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; }
.faq-intro h2 { margin: 13px 0 22px; font-size: clamp(40px, 4.5vw, 58px); line-height: 1.08; letter-spacing: -.05em; }
.faq-intro > p:not(.eyebrow) { max-width: 380px; margin: 0; color: var(--muted-dark); font-size: 13px; }
.faq-list { border-top: 1px solid var(--line-dark); }
.faq-list details { border-bottom: 1px solid var(--line-dark); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 2px; list-style: none; font-size: 15px; font-weight: 720; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--blue); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -7px 0 24px; padding-right: 48px; color: var(--muted-dark); font-size: 12px; line-height: 1.9; }

/* CTA and footer */
.cta-section { padding: 38px 0 120px; background: var(--paper); }
.cta-card { position: relative; min-height: 480px; display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; border-radius: 30px; background: linear-gradient(135deg, #c9ff57, #96f8c2 52%, #79e3ff); color: var(--ink); text-align: center; }
.cta-card::before { content: ""; position: absolute; width: 540px; height: 540px; left: -190px; bottom: -300px; border: 1px solid rgba(8,10,16,.15); border-radius: 50%; box-shadow: 0 0 0 45px rgba(8,10,16,.035), 0 0 0 90px rgba(8,10,16,.025); }
.cta-card .eyebrow { position: relative; color: rgba(8,10,16,.58); }
.cta-card h2 { position: relative; margin: 16px 0; font-size: clamp(46px, 6vw, 76px); line-height: 1.02; letter-spacing: -.06em; }
.cta-card > p:not(.eyebrow) { position: relative; margin: 0; color: rgba(8,10,16,.68); font-size: 14px; }
.cta-actions { position: relative; display: flex; gap: 10px; margin-top: 28px; }
.site-footer { padding: 70px 0 24px; background: #07090f; }
.footer-top { display: grid; grid-template-columns: 1.6fr .7fr .7fr 1fr; gap: 56px; padding-bottom: 60px; }
.footer-brand > p { max-width: 310px; margin: 25px 0 0; color: #747e8e; font-size: 12px; }
.footer-links, .footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-links > strong, .footer-contact > strong { margin-bottom: 7px; color: #dbe1ec; font-size: 11px; }
.footer-links a { padding: 0; background: none; color: #747e8e; font-size: 10px; text-align: left; cursor: pointer; }
.footer-links a:hover { color: #fff; }
.footer-contact small { margin-top: 8px; color: #535c6a; font-size: 9px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 22px; border-top: 1px solid var(--line); color: #555e6c; font-size: 9px; }
.footer-bottom b { font-weight: inherit; }

/* Modals */
.modal { position: fixed; z-index: 300; inset: 0; display: grid; place-items: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2,4,8,.78); backdrop-filter: blur(14px); }
.modal-panel { position: relative; z-index: 1; width: min(920px, 100%); max-height: calc(100vh - 48px); overflow: auto; padding: 34px; border: 1px solid rgba(255,255,255,.14); border-radius: 26px; background: #10131c; box-shadow: 0 34px 110px rgba(0,0,0,.65); }
.modal-close { position: absolute; z-index: 4; right: 18px; top: 18px; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.05); font-size: 24px; line-height: 1; cursor: pointer; }
.modal-copy h2 { margin: 10px 0 6px; font-size: 30px; letter-spacing: -.04em; }
.modal-copy > p:last-child { margin: 0; color: #8e98a8; font-size: 12px; }
.video-panel { display: grid; grid-template-columns: .65fr 1fr; gap: 34px; align-items: center; }
.video-shell { max-height: 72vh; display: flex; justify-content: center; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: #050608; }
.video-shell video { width: min(330px, 100%); max-height: 72vh; background: #000; }

@media (max-width: 1050px) {
  .desktop-nav, .text-button { display: none; }
  .menu-button { display: grid; }
  .hero { min-height: auto; padding-top: 134px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-product { width: min(720px, 100%); min-height: 630px; margin: 4px auto 92px; }
  .phone-float { right: -10px; }
  .statement { grid-template-columns: 95px 1fr; }
  .statement > p:last-child { grid-column: 2; max-width: 640px; }
  .engine-grid { grid-template-columns: repeat(2, 1fr); }
  .engine-card.featured { grid-column: span 2; }
  .workflow-board { grid-template-columns: repeat(2, 1fr); }
  .difference-grid { grid-template-columns: repeat(2, 1fr); }
  .difference-grid article:nth-child(2) { border-right: 0; }
  .difference-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .value-strip { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 55px; }
  .faq-grid { gap: 55px; }
  .footer-top { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-contact { grid-column: 2 / -1; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1180px); }
  .site-header { background: rgba(8,10,16,.88); }
  .nav-shell { height: 68px; }
  .brand-copy small { display: none; }
  .nav-actions > .button { display: none; }
  .hero { padding-top: 118px; background-size: 52px 52px; }
  .hero h1 { font-size: clamp(48px, 14vw, 66px); }
  .hero-lead { font-size: 15px; }
  .command-promise { align-items: flex-start; }
  .hero-actions .button { width: 100%; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); }
  .hero-facts div { padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; }
  .hero-product { min-height: 512px; margin-bottom: 86px; }
  .console-window { top: 18px; min-height: 380px; transform: none; }
  .console-body { min-height: 328px; grid-template-columns: 42px 1fr; }
  .console-sidebar { gap: 18px; }
  .console-sidebar i { width: 15px; height: 15px; }
  .console-main { padding: 21px 16px; }
  .console-intro h2 { margin-bottom: 15px; font-size: 18px; }
  .console-command { min-height: 72px; padding: 12px; }
  .console-command p { font-size: 9px; }
  .task-list article:nth-child(3) { display: none; }
  .phone-frame { width: 145px; height: 300px; border-radius: 24px; }
  .phone-frame img { border-radius: 20px; }
  .phone-float { right: -2px; bottom: 2px; }
  .phone-live { right: 100px; bottom: 24px; }
  .result-toast { left: 9px; bottom: 4px; }
  .ribbon-track { justify-content: flex-start; overflow: hidden; animation: ribbon-slide 18s linear infinite alternate; }
  @keyframes ribbon-slide { to { transform: translateX(-42%); } }
  .statement-section, .command-section, .engine-section, .workflow-section, .screens-section, .difference-section, .scenario-section, .about-section, .faq-section { padding: 92px 0; }
  .statement { grid-template-columns: 1fr; gap: 24px; }
  .statement > p:last-child { grid-column: 1; margin-top: 0; }
  .statement h2 { font-size: 43px; }
  .section-head, .workflow-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .section-head h2, .workflow-head h2 { font-size: 42px; }
  .command-showcase { min-height: auto; overflow: visible; background: none; border: 0; box-shadow: none; }
  .real-screen { position: relative; inset: auto; height: 260px; border-radius: 18px; }
  .command-card { position: relative; inset: auto; width: calc(100% - 16px); margin: -24px auto 0; padding: 22px; }
  .command-card blockquote { font-size: 16px; }
  .engine-grid { grid-template-columns: 1fr; }
  .engine-card.featured { grid-column: span 1; min-height: 420px; }
  .brain-visual { right: 20px; bottom: 62px; width: 145px; height: 145px; }
  .engine-card { min-height: 285px; }
  .workflow-board { grid-template-columns: 1fr; padding-left: 26px; }
  .timeline-line { left: 7px; right: auto; top: 0; bottom: 78px; width: 1px; height: auto; background: linear-gradient(var(--blue), var(--cyan), var(--lime)); }
  .timeline-line i { left: -3px; top: 0; animation: timeline-run-mobile 8s linear infinite; }
  @keyframes timeline-run-mobile { to { top: 100%; } }
  .time-dot { left: -24px; top: 28px; }
  .workflow-loop { grid-column: 1; }
  .screen-stage > img { aspect-ratio: 1.35 / 1; }
  .screen-caption { left: 10px; right: 10px; bottom: 10px; }
  .difference-head { grid-template-columns: 1fr; gap: 20px; }
  .difference-head h2 { font-size: 45px; }
  .difference-grid { grid-template-columns: 1fr; }
  .difference-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .difference-grid article:last-child { border-bottom: 0; }
  .difference-grid h3 { margin-top: 60px; }
  .value-strip { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .scenario-grid .scenario-large { grid-column: span 1; }
  .about-panel { padding: 20px; }
  .about-panel ol { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; gap: 44px; }
  .cta-section { padding-bottom: 80px; }
  .cta-card { min-height: 520px; padding: 50px 22px; border-radius: 24px; }
  .cta-card h2 { font-size: 48px; }
  .cta-actions { width: 100%; flex-direction: column; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .video-panel { grid-template-columns: 1fr; }
  .modal-panel { padding: 26px 20px; }
  .video-panel .modal-copy { padding-right: 40px; }
}

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