:root {
  --bg: #05080d;
  --bg-2: #070c13;
  --panel: rgba(13, 20, 30, .72);
  --panel-solid: #0b121b;
  --panel-2: #0e1621;
  --line: rgba(148, 178, 208, .14);
  --line-strong: rgba(148, 178, 208, .28);
  --text: #e8f1fa;
  --muted: #8ea3b8;
  --faint: #5f7488;
  --cyan: #4cc9f0;
  --cyan-2: #7b61ff;
  --green: #3ddc97;
  --amber: #ffd166;
  --red: #ff5d73;
  --purple: #c77dff;
  --glow: rgba(76, 201, 240, .18);
  --app-bg: #090f17;
  --app-side: #0b131d;
  --app-row: rgba(255, 255, 255, .025);
  --app-head: #111b27;
  --shadow: 0 40px 100px -40px rgba(0, 0, 0, .9);
  --radius: 20px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --page: 1200px;
}

[data-theme="light"] {
  --bg: #f5f8fb;
  --bg-2: #ffffff;
  --panel: rgba(255, 255, 255, .82);
  --panel-solid: #ffffff;
  --panel-2: #f0f5fa;
  --line: rgba(10, 21, 32, .12);
  --line-strong: rgba(10, 21, 32, .24);
  --text: #0a1520;
  --muted: #52677c;
  --faint: #7e91a5;
  --cyan: #0784a8;
  --cyan-2: #5a43d6;
  --green: #0c8c5e;
  --amber: #a96a00;
  --red: #c8324c;
  --purple: #7b3fb0;
  --glow: rgba(7, 132, 168, .12);
  --app-bg: #ffffff;
  --app-side: #f4f8fc;
  --app-row: rgba(10, 21, 32, .025);
  --app-head: #edf4fa;
  --shadow: 0 40px 100px -50px rgba(10, 21, 32, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
  opacity: .45;
}
::selection { background: var(--cyan); color: #041017; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--cyan); }
img, svg { display: block; }
button { font: inherit; color: inherit; }
code {
  font-family: var(--mono);
  font-size: .88em;
  color: var(--cyan);
  background: color-mix(in srgb, var(--cyan) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--cyan) 16%, transparent);
  padding: 1px 5px;
  border-radius: 5px;
}
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-200%);
  background: var(--cyan);
  color: #041017;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 700;
}
.skip-link:focus { transform: none; }
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-2));
  z-index: 60;
  box-shadow: 0 0 18px var(--cyan);
}
.container { width: min(var(--page), calc(100% - 48px)); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px) saturate(1.3);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  transition: border-color .25s, background .25s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: color-mix(in srgb, var(--bg) 90%, transparent); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: -.03em; }
.brand:hover { color: var(--text); }
.brand-mark { width: 32px; height: 32px; display: block; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-mark svg rect { fill: var(--panel-solid); stroke: var(--line-strong); stroke-width: 1.5; }
.brand-mark .mark-line { stroke: var(--cyan); stroke-width: 4; stroke-linecap: round; }
.brand-mark .mark-check { stroke: var(--text); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.brand-mark.small { width: 28px; height: 28px; }
.brand-name { font-size: 20px; }
.brand-name em { font-style: normal; color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: var(--panel); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: var(--panel); }
.theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-sun { display: block; }
[data-theme="light"] .theme-icon-moon { display: none; }
.nav-ghost { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 13.5px; font-weight: 600; padding: 8px 10px; }
.nav-ghost:hover { color: var(--text); }
.nav-toggle { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.01em;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, border-color .18s, background .18s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  color: #041017;
  background: linear-gradient(135deg, var(--cyan), #66e0ff 55%, #9b8cff);
  box-shadow: 0 12px 34px -12px color-mix(in srgb, var(--cyan) 70%, transparent), inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-primary:hover { color: #041017; box-shadow: 0 16px 44px -12px color-mix(in srgb, var(--cyan) 85%, transparent); }
.btn-ghost { color: var(--text); background: color-mix(in srgb, var(--text) 4%, transparent); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--cyan); background: color-mix(in srgb, var(--cyan) 7%, transparent); }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 13px; border-radius: 8px; }
.icon { width: 18px; height: 18px; }

/* Hero */
.hero { position: relative; padding: clamp(48px, 7vw, 92px) 0 0; overflow: hidden; }
.hero-aurora {
  position: absolute;
  inset: -20% -10% auto;
  height: 720px;
  pointer-events: none;
  background:
    radial-gradient(520px 280px at 70% 12%, color-mix(in srgb, var(--cyan) 20%, transparent), transparent 70%),
    radial-gradient(480px 280px at 28% 4%, color-mix(in srgb, var(--cyan-2) 16%, transparent), transparent 70%);
  filter: blur(10px);
  animation: aurora 14s ease-in-out infinite alternate;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); gap: clamp(36px, 5vw, 76px); align-items: center; position: relative; }
.hero-copy { min-width: 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow-line { width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan)); }
.hero h1 {
  margin: 18px 0 22px;
  font-size: clamp(3.1rem, 6.6vw, 6.2rem);
  line-height: .94;
  letter-spacing: -.06em;
  font-weight: 820;
}
.gradient-text {
  background: linear-gradient(105deg, var(--cyan) 5%, #7fe8ff 36%, #9b8cff 78%, var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { max-width: 620px; color: var(--muted); font-size: clamp(16px, 1.4vw, 18px); line-height: 1.65; margin: 0 0 30px; }
.lead strong { color: var(--text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 3.5%, transparent);
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}
.pill.purple { color: var(--purple); border-color: color-mix(in srgb, var(--purple) 35%, transparent); }
.pill.current { color: var(--green); border-color: color-mix(in srgb, var(--green) 35%, transparent); background: color-mix(in srgb, var(--green) 8%, transparent); }
.pill.neutral { color: var(--muted); }
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 color-mix(in srgb, var(--green) 60%, transparent); animation: pulse 2.2s infinite; flex: none; }

/* Hero app mockup */
.hero-visual { position: relative; min-width: 0; }
.hero-glow {
  position: absolute;
  inset: 8% -6% -12% 10%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--cyan) 22%, transparent), transparent 78%);
  filter: blur(40px);
  z-index: 0;
}
.app-window {
  position: relative;
  z-index: 1;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  overflow: hidden;
  background: var(--app-bg);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  transform: perspective(1600px) rotateY(-3deg) rotateX(1.2deg);
  transition: transform .5s ease;
}
.app-window:hover { transform: perspective(1600px) rotateY(0deg) rotateX(0deg); }
.app-titlebar { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); background: var(--app-head); }
.traffic { display: inline-flex; gap: 5px; }
.traffic i { width: 9px; height: 9px; border-radius: 50%; background: var(--faint); opacity: .55; }
.traffic i:first-child { background: var(--red); }
.traffic i:nth-child(2) { background: var(--amber); }
.traffic i:nth-child(3) { background: var(--green); }
.app-url { flex: 1; text-align: center; color: var(--faint); font: 10px var(--mono); }
.live-chip { display: inline-flex; align-items: center; gap: 5px; color: var(--green); font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.app-body { display: grid; grid-template-columns: 106px minmax(0, 1fr); min-height: 392px; }
.app-side { border-right: 1px solid var(--line); background: var(--app-side); padding: 12px 10px; display: flex; flex-direction: column; gap: 12px; }
.side-brand { display: flex; align-items: center; gap: 7px; color: var(--text); font-size: 11px; font-weight: 800; letter-spacing: -.03em; padding: 2px 4px; }
.side-mark { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 5px; background: color-mix(in srgb, var(--cyan) 14%, transparent); color: var(--cyan); font-size: 10px; border: 1px solid color-mix(in srgb, var(--cyan) 28%, transparent); }
.app-side nav { display: flex; flex-direction: column; gap: 2px; }
.side-item { display: flex; align-items: center; gap: 7px; padding: 6px 7px; border-radius: 6px; color: var(--muted); font-size: 10.5px; font-weight: 600; }
.side-item .icon { width: 13px; height: 13px; }
.side-item.active { color: var(--text); background: color-mix(in srgb, var(--cyan) 9%, transparent); }
.side-item.active .icon { color: var(--cyan); }
.side-foot { margin-top: auto; display: flex; align-items: center; gap: 6px; color: var(--faint); font-size: 9.5px; padding: 6px; }
.app-main { padding: 14px; min-width: 0; }
.app-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.app-kicker { color: var(--faint); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
.app-title { font-size: 18px; font-weight: 800; letter-spacing: -.03em; margin-top: 1px; }
.app-sub { color: var(--faint); font-size: 8.5px; margin-top: 2px; }
.app-filter { color: var(--faint); font-size: 9.5px; border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; white-space: nowrap; }
.app-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; margin-bottom: 12px; }
.app-stat { border: 1px solid var(--line); border-radius: 8px; padding: 8px; background: var(--app-row); }
.app-stat span { display: block; color: var(--faint); font-size: 8.5px; text-transform: uppercase; letter-spacing: .08em; }
.app-stat strong { display: block; font-size: 17px; line-height: 1.1; margin: 3px 0 1px; }
.app-stat small { font-size: 8.5px; color: var(--faint); }
.app-table { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.app-row { display: grid; grid-template-columns: minmax(0, 1fr) 42px 40px 48px; gap: 8px; align-items: center; padding: 8px 9px; border-top: 1px solid var(--line); font-size: 9.5px; }
.app-row:first-child { border-top: 0; }
.app-row-head { background: var(--app-head); color: var(--faint); text-transform: uppercase; letter-spacing: .08em; font-size: 8px; font-weight: 700; }
.host-cell { display: flex; align-items: center; gap: 6px; min-width: 0; }
.host-cell > span:last-child { min-width: 0; }
.host-cell b { font-size: 10px; color: var(--text); white-space: nowrap; }
.host-cell small { display: block; color: var(--faint); font-size: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.host-cell > .status-dot { flex: none; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); flex: none; }
.status-dot.online { background: var(--green); box-shadow: 0 0 8px color-mix(in srgb, var(--green) 70%, transparent); }
.status-dot.warn { background: var(--amber); box-shadow: 0 0 8px color-mix(in srgb, var(--amber) 70%, transparent); }
.state { color: var(--muted); font-size: 9px; text-transform: capitalize; }
.state.online { color: var(--green); }
.state.warn { color: var(--amber); }
.badge { justify-self: start; border-radius: 999px; padding: 2px 6px; font-size: 8.5px; font-weight: 700; border: 1px solid var(--line); color: var(--muted); }
.badge.green { color: var(--green); border-color: color-mix(in srgb, var(--green) 30%, transparent); background: color-mix(in srgb, var(--green) 7%, transparent); }
.badge.amber { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 30%, transparent); background: color-mix(in srgb, var(--amber) 7%, transparent); }
.badge.red { color: var(--red); border-color: color-mix(in srgb, var(--red) 30%, transparent); background: color-mix(in srgb, var(--red) 7%, transparent); }
.policy-tag { color: var(--muted); font-size: 8.5px; border: 1px solid var(--line); border-radius: 5px; padding: 2px 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.float-card {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: color-mix(in srgb, var(--panel-solid) 88%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 50px -20px rgba(0,0,0,.8);
  animation: float 7s ease-in-out infinite;
}
.float-card strong { font-size: 12px; color: var(--text); }
.float-card small { font-size: 9.5px; color: var(--muted); }
.float-kicker { color: var(--cyan); font-size: 8.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
.float-a { right: -26px; top: -22px; animation-delay: -1.4s; }
.float-b { left: -30px; bottom: 30px; animation-delay: -3.6s; }

/* Trust strip */
.trust-strip { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: clamp(44px, 6vw, 74px); padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--faint); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.trust-list { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
.trust-list span { color: var(--muted); font-weight: 700; font-size: 10.5px; }
.trust-sep { width: 1px; height: 14px; background: var(--line-strong); }

/* Sections */
.section { padding: clamp(78px, 10vw, 132px) 0; position: relative; }
.section-alt { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--text) 2.2%, transparent) 18%, color-mix(in srgb, var(--text) 2.2%, transparent) 82%, transparent); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: clamp(34px, 5vw, 58px); }
.section-head h2 { margin: 14px 0 16px; font-size: clamp(2rem, 4.6vw, 4rem); line-height: .98; letter-spacing: -.05em; font-weight: 800; }
.section-head h2 em { font-style: normal; color: var(--muted); }
.section-head p { color: var(--muted); font-size: 16px; line-height: 1.7; margin: 0; max-width: 680px; }
.card-kicker { color: var(--cyan); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }

/* Problem */
.problem-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.problem-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--panel); transition: transform .25s, border-color .25s, background .25s; }
.problem-card:hover { transform: translateY(-4px); border-color: var(--line-strong); background: color-mix(in srgb, var(--panel-solid) 90%, var(--cyan) 2%); }
.problem-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--cyan) 28%, transparent); background: color-mix(in srgb, var(--cyan) 8%, transparent); color: var(--cyan); margin-bottom: 18px; }
.problem-icon .icon { width: 21px; height: 21px; }
.problem-card h3 { font-size: 19px; line-height: 1.25; letter-spacing: -.02em; margin: 8px 0 9px; }
.problem-card p { color: var(--muted); font-size: 13.5px; line-height: 1.65; margin: 0; }

/* Model */
.model-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 70px); align-items: center; }
.model-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.model-steps li { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); }
.model-steps li:last-child { border-bottom: 1px solid var(--line); }
.step-num { font: 700 12px var(--mono); color: var(--cyan); padding-top: 4px; }
.model-steps h3 { font-size: 21px; letter-spacing: -.03em; margin: 0 0 4px; }
.model-steps p { color: var(--muted); font-size: 13.5px; line-height: 1.65; margin: 0; }
.policy-visual { position: relative; display: grid; place-items: center; min-height: 440px; }
.policy-orbit { position: absolute; width: 360px; height: 360px; border-radius: 50%; border: 1px dashed var(--line-strong); opacity: .5; }
.policy-orbit::before, .policy-orbit::after { content: ""; position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.policy-orbit::before { top: 18%; left: 12%; }
.policy-orbit::after { bottom: 10%; right: 18%; background: var(--purple); box-shadow: 0 0 16px var(--purple); }
.policy-card { position: relative; z-index: 1; width: min(100%, 360px); border: 1px solid var(--line-strong); border-radius: 18px; padding: 24px; background: linear-gradient(180deg, color-mix(in srgb, var(--cyan) 5%, var(--panel-solid)), var(--panel-solid)); box-shadow: var(--shadow); }
.policy-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.policy-kicker { color: var(--faint); font-size: 9.5px; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.policy-card h3 { margin: 14px 0 3px; font-size: 23px; letter-spacing: -.03em; }
.policy-sub { margin: 0 0 20px; color: var(--muted); font-size: 12px; }
.policy-checks { display: grid; gap: 0; border-top: 1px solid var(--line); }
.policy-checks div { display: grid; grid-template-columns: 16px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.policy-checks b { font: 600 12px var(--mono); color: var(--text); }
.check-dot { width: 13px; height: 13px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--green) 40%, transparent); background: color-mix(in srgb, var(--green) 12%, transparent); position: relative; }
.check-dot::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--green); }
.policy-foot { display: flex; align-items: center; gap: 7px; color: var(--faint); font-size: 10.5px; padding-top: 14px; }

/* Tour */
.tour-shell { min-width: 0; border: 1px solid var(--line); border-radius: 24px; overflow: hidden; background: var(--panel); box-shadow: var(--shadow); }
.tour-tabs { display: flex; gap: 4px; padding: 10px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.tour-tabs::-webkit-scrollbar { display: none; }
.tour-tab { border: 1px solid transparent; background: transparent; color: var(--muted); border-radius: 8px; padding: 9px 13px; font-size: 12px; font-weight: 700; white-space: nowrap; cursor: pointer; transition: color .2s, background .2s, border-color .2s; }
.tour-tab:hover { color: var(--text); background: color-mix(in srgb, var(--text) 4%, transparent); }
.tour-tab.active { color: var(--text); background: color-mix(in srgb, var(--cyan) 10%, transparent); border-color: color-mix(in srgb, var(--cyan) 24%, transparent); }
.tour-panel { min-width: 0; display: none; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); padding: clamp(24px, 4vw, 44px); align-items: center; }
.tour-panel.active { display: grid; }
.tour-copy, .tour-visual { min-width: 0; }
.tour-copy h3 { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.08; letter-spacing: -.04em; margin: 10px 0 12px; }
.tour-copy p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0 0 18px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.ticks li { position: relative; padding-left: 24px; color: var(--muted); font-size: 13px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 6px; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px color-mix(in srgb, var(--green) 60%, transparent); }

/* Terminal */
.terminal { min-width: 0; border: 1px solid var(--line-strong); border-radius: 14px; overflow: hidden; background: var(--app-bg); box-shadow: 0 30px 70px -40px rgba(0,0,0,.9); }
.term-bar { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--faint); font-size: 10px; background: var(--app-head); }
.term-bar > span:nth-child(2) { flex: 1; text-align: center; font-family: var(--mono); }
.term-chip { border: 1px solid var(--line); border-radius: 5px; padding: 2px 6px; font-size: 9px; }
.terminal pre { margin: 0; padding: 18px; overflow: auto; font: 11.5px/1.7 var(--mono); color: var(--muted); }
.terminal pre code { background: none; border: 0; padding: 0; color: inherit; }
.t-muted { color: var(--faint); }
.t-high { color: var(--red); font-weight: 700; }
.t-med { color: var(--amber); font-weight: 700; }
.t-low { color: var(--green); font-weight: 700; }
.t-label { color: var(--cyan); font-weight: 700; }
.t-old { color: var(--red); }
.t-new { color: var(--green); }
.t-bad { color: var(--red); }

/* Signal stack */
.signal-stack { display: grid; gap: 8px; }
.signal-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 11px; padding: 12px; background: var(--app-row); }
.sig-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--line); color: var(--muted); }
.sig-icon.red { color: var(--red); border-color: color-mix(in srgb, var(--red) 30%, transparent); background: color-mix(in srgb, var(--red) 7%, transparent); }
.sig-icon.amber { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 30%, transparent); background: color-mix(in srgb, var(--amber) 7%, transparent); }
.sig-icon.purple { color: var(--purple); border-color: color-mix(in srgb, var(--purple) 30%, transparent); background: color-mix(in srgb, var(--purple) 7%, transparent); }
.sig-icon.green { color: var(--green); border-color: color-mix(in srgb, var(--green) 30%, transparent); background: color-mix(in srgb, var(--green) 7%, transparent); }
.signal-row b { display: block; font-size: 12.5px; color: var(--text); }
.signal-row small { display: block; color: var(--faint); font-size: 10.5px; margin-top: 2px; }
.sev { border-radius: 999px; padding: 3px 8px; font-size: 9.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; border: 1px solid var(--line); color: var(--muted); }
.sev.critical { color: var(--red); border-color: color-mix(in srgb, var(--red) 35%, transparent); background: color-mix(in srgb, var(--red) 9%, transparent); }
.sev.high { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 35%, transparent); background: color-mix(in srgb, var(--amber) 9%, transparent); }
.sev.med { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 28%, transparent); background: color-mix(in srgb, var(--amber) 5%, transparent); }
.sev.low { color: var(--green); border-color: color-mix(in srgb, var(--green) 28%, transparent); background: color-mix(in srgb, var(--green) 5%, transparent); }
.sev.clean { color: var(--green); border-color: color-mix(in srgb, var(--green) 30%, transparent); }

/* Package / security / fleet panels */
.package-panel, .security-panel, .fleet-panel { border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--app-bg); box-shadow: 0 30px 70px -40px rgba(0,0,0,.9); }
.package-head, .fleet-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.package-row { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.package-row b { display: block; font-size: 12.5px; color: var(--text); }
.package-row small { display: block; color: var(--faint); font-size: 10.5px; margin-top: 1px; }
.pkg-badge { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 7px; font: 800 13px var(--mono); border: 1px solid var(--line); }
.pkg-badge.add { color: var(--green); background: color-mix(in srgb, var(--green) 8%, transparent); border-color: color-mix(in srgb, var(--green) 25%, transparent); }
.pkg-badge.up { color: var(--cyan); background: color-mix(in srgb, var(--cyan) 8%, transparent); border-color: color-mix(in srgb, var(--cyan) 25%, transparent); }
.pkg-badge.down { color: var(--red); background: color-mix(in srgb, var(--red) 8%, transparent); border-color: color-mix(in srgb, var(--red) 25%, transparent); }
.integrity-box { display: grid; grid-template-columns: 32px minmax(0, 1fr) auto; gap: 10px; align-items: center; margin-top: 14px; padding: 12px; border: 1px solid color-mix(in srgb, var(--green) 24%, transparent); border-radius: 10px; background: color-mix(in srgb, var(--green) 5%, transparent); }
.integrity-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; color: var(--green); border: 1px solid color-mix(in srgb, var(--green) 28%, transparent); }
.integrity-box b { display: block; font-size: 12px; color: var(--green); }
.integrity-box small { display: block; color: var(--muted); font-size: 10.5px; }
.security-panel { display: grid; gap: 10px; }
.security-card { border: 1px solid var(--line); border-radius: 11px; padding: 12px; background: var(--app-row); }
.security-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.security-card b { display: block; font-size: 14px; }
.security-card p { margin: 2px 0; color: var(--muted); font-size: 11.5px; }
.security-card small { color: var(--faint); font-size: 10px; }
.fleet-bar { display: flex; height: 10px; border-radius: 999px; overflow: hidden; background: color-mix(in srgb, var(--text) 6%, transparent); margin: 14px 0 8px; }
.fleet-bar span { display: block; height: 100%; }
.bar-current { background: var(--green); }
.bar-pending { background: var(--amber); }
.bar-error { background: var(--red); }
.fleet-legend { display: flex; flex-wrap: wrap; gap: 10px 16px; color: var(--muted); font-size: 10.5px; margin-bottom: 14px; }
.fleet-legend span { display: inline-flex; align-items: center; gap: 5px; }
.dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
.dot.green { background: var(--green); }
.dot.yellow { background: var(--amber); }
.dot.red { background: var(--red); }
.fleet-list { display: grid; gap: 6px; }
.fleet-list div { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto auto; gap: 9px; align-items: center; border-top: 1px solid var(--line); padding-top: 8px; font-size: 11px; }
.fleet-list b { color: var(--text); }
.fleet-state { font-size: 9.5px; font-weight: 700; text-transform: uppercase; }
.fleet-state.green { color: var(--green); }
.fleet-state.amber { color: var(--amber); }

/* Split sections */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 76px); align-items: center; }
.split-copy h2 { margin: 14px 0 18px; font-size: clamp(2rem, 3.8vw, 3.4rem); line-height: 1.02; letter-spacing: -.045em; }
.split-copy > p { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 0 0 26px; }
.split-points { display: grid; gap: 16px; }
.split-points > div { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; align-items: start; }
.split-points .icon { width: 20px; height: 20px; color: var(--cyan); margin-top: 2px; }
.split-points b { display: block; font-size: 14px; }
.split-points span { display: block; color: var(--muted); font-size: 12.5px; line-height: 1.55; margin-top: 2px; }
.split-visual { position: relative; display: grid; gap: 10px; }
.change-card { border: 1px solid var(--line-strong); border-radius: 16px; padding: 20px; background: linear-gradient(180deg, color-mix(in srgb, var(--cyan) 5%, var(--panel-solid)), var(--panel-solid)); box-shadow: var(--shadow); }
.change-card.secondary { opacity: .72; transform: translateX(24px) translateY(-2px); }
.change-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; color: var(--faint); font-size: 10px; margin-bottom: 10px; }
.change-card h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -.02em; }
.change-card p { margin: 0 0 12px; color: var(--muted); font-size: 12.5px; line-height: 1.6; }
.change-signals { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.change-signals span { border: 1px solid var(--line); border-radius: 999px; padding: 3px 7px; color: var(--faint); font-size: 9.5px; font-family: var(--mono); }
.change-actions { display: flex; gap: 6px; }
.mini-btn { border: 1px solid var(--line-strong); border-radius: 7px; background: color-mix(in srgb, var(--text) 5%, transparent); color: var(--text); padding: 6px 10px; font-size: 11px; font-weight: 700; cursor: pointer; }
.mini-btn.ghost { background: transparent; color: var(--muted); }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.feature-card { border: 1px solid var(--line); border-radius: 16px; padding: 22px; background: var(--panel); transition: transform .22s, border-color .22s, background .22s; }
.feature-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--cyan) 30%, var(--line)); background: color-mix(in srgb, var(--panel-solid) 90%, var(--cyan) 2%); }
.feature-card .icon { width: 21px; height: 21px; color: var(--cyan); margin-bottom: 14px; }
.feature-card h3 { margin: 0 0 6px; font-size: 16px; letter-spacing: -.02em; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.6; }

/* Install */
.install-card { display: grid; grid-template-columns: 1fr .95fr; gap: clamp(28px, 4vw, 56px); align-items: center; border: 1px solid var(--line-strong); border-radius: 24px; padding: clamp(28px, 4vw, 52px); background:
  radial-gradient(600px 260px at 0% 0%, color-mix(in srgb, var(--cyan) 12%, transparent), transparent 70%),
  linear-gradient(135deg, var(--panel-2), var(--panel-solid));
  box-shadow: var(--shadow);
}
.install-copy h2 { margin: 14px 0 14px; font-size: clamp(2rem, 3.8vw, 3.3rem); line-height: 1.02; letter-spacing: -.045em; }
.install-copy p { color: var(--muted); font-size: 14.5px; line-height: 1.7; margin: 0 0 18px; }
.install-points { display: grid; gap: 8px; margin-bottom: 24px; }
.install-points span { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12.5px; }
.install-points .icon { width: 15px; height: 15px; color: var(--green); }
.install-terminal .term-bar { justify-content: space-between; }
.install-terminal pre { color: var(--muted); }
.copy-btn { border: 1px solid var(--line); border-radius: 5px; background: transparent; color: var(--faint); font-size: 9.5px; padding: 3px 7px; cursor: pointer; }
.copy-btn:hover { color: var(--cyan); border-color: var(--cyan); }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 5vw, 70px); align-items: start; }
.faq-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-list summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 14px; font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--cyan); font-size: 20px; font-weight: 400; line-height: 1; transition: transform .2s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { color: var(--muted); font-size: 13px; line-height: 1.65; margin: 12px 0 0; max-width: 620px; }
.faq-list a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }

/* Final CTA */
.final-cta { padding-top: 40px; padding-bottom: 100px; }
.final-card { position: relative; overflow: hidden; text-align: center; border: 1px solid var(--line-strong); border-radius: 26px; padding: clamp(40px, 7vw, 90px) 24px; background:
  radial-gradient(700px 340px at 50% -10%, color-mix(in srgb, var(--cyan) 18%, transparent), transparent 70%),
  linear-gradient(180deg, var(--panel-2), var(--panel-solid));
  box-shadow: var(--shadow);
}
.final-mark { width: 54px; height: 54px; margin: 0 auto 20px; }
.final-mark svg { width: 100%; height: 100%; }
.final-mark svg rect { fill: var(--panel-solid); stroke: var(--line-strong); stroke-width: 1.5; }
.final-mark .mark-line { stroke: var(--cyan); stroke-width: 4; stroke-linecap: round; }
.final-mark .mark-check { stroke: var(--text); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.final-card h2 { margin: 14px 0 12px; font-size: clamp(2.4rem, 5.5vw, 5rem); line-height: .95; letter-spacing: -.055em; }
.final-card p { max-width: 620px; margin: 0 auto 28px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.final-card .hero-actions { justify-content: center; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand p { color: var(--muted); font-size: 12.5px; line-height: 1.65; max-width: 300px; margin: 14px 0 0; }
.footer-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.footer-links h4 { margin: 0 0 4px; color: var(--faint); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.footer-links a { color: var(--muted); font-size: 12.5px; }
.footer-links a:hover { color: var(--cyan); }
.footer-status { display: inline-flex; align-items: center; gap: 7px; color: var(--green); font-size: 12px; font-weight: 600; }
.footer-note { color: var(--faint); font-size: 11px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); margin-top: 36px; padding-top: 18px; color: var(--faint); font-size: 11px; }

/* Motion */
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--green) 60%, transparent); } 50% { box-shadow: 0 0 0 6px transparent; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes aurora { 0% { transform: translate3d(-2%, 0, 0) scale(1); opacity: .8; } 100% { transform: translate3d(2%, 2%, 0) scale(1.08); opacity: 1; } }
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1040px) {
  .hero-grid, .model-layout, .split, .install-card, .faq-grid { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-top: 48px; }
  .hero-visual { max-width: 780px; margin: 0 auto; width: 100%; }
  .hero-visual .app-window { transform: none; }
  .float-a { right: 0; }
  .float-b { left: 0; }
  .model-steps { max-width: 760px; }
  .policy-visual { min-height: 380px; }
  .split-visual { max-width: 760px; }
  .change-card.secondary { transform: none; }
  .faq-grid .section-head { margin-bottom: 8px; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 16px; right: 16px; padding: 10px; background: var(--panel-solid); border: 1px solid var(--line-strong); border-radius: 12px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 12px; }
  .nav-toggle { display: grid; }
  .nav-ghost span { display: none; }
  .problem-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
  .tour-panel { grid-template-columns: minmax(0, 1fr); }
  .tour-copy { order: -1; }
  .app-body { grid-template-columns: 1fr; }
  .app-side { display: none; }
}
@media (max-width: 620px) {
  .container { width: min(var(--page), calc(100% - 32px)); }
  .hero h1 { font-size: clamp(2.8rem, 13vw, 4.2rem); }
  .hero-actions .btn { width: 100%; }
  .nav-actions .nav-ghost { display: none; }
  .nav-actions .btn-sm { padding: 0 10px; font-size: 12px; }
  .trust-strip { flex-direction: column; align-items: flex-start; gap: 10px; }
  .problem-grid, .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .app-stats { grid-template-columns: 1fr 1fr; }
  .app-row { grid-template-columns: minmax(0, 1.6fr) .7fr .6fr; }
  .app-row > :nth-child(4), .app-row > :nth-child(5) { display: none; }
  .float-card { display: none; }
  .model-steps li { grid-template-columns: 34px minmax(0, 1fr); gap: 12px; }
  .final-card .hero-actions .btn { width: 100%; }
}