/* ============================================================
   SuperCyber — tech aesthetic design system
   Dark, glassmorphic, gradient. Per-app accent theming.
   ============================================================ */

:root {
  /* base canvas */
  --bg: #070810;
  --bg-2: #0b0d18;
  --ink: #f3f4f8;
  --ink-soft: #a7abbd;
  --ink-faint: #6a6f85;

  /* glass surfaces */
  --glass: rgba(255, 255, 255, 0.035);
  --glass-2: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.06);

  /* brand gradient (Claude-coral → violet → cyan) */
  --brand-1: #ff8a5b;
  --brand-2: #b06bff;
  --brand-3: #54d7e6;
  --brand: linear-gradient(110deg, var(--brand-1), var(--brand-2) 52%, var(--brand-3));

  /* per-page accent — overridden on each app page */
  --accent: #b06bff;
  --accent-2: #54d7e6;
  --accent-glow: rgba(176, 107, 255, 0.35);

  --radius: 20px;
  --radius-sm: 14px;
  --maxw: 1040px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Roboto Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Ambient background layers ---------- */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(176, 107, 255, 0.16), transparent 60%),
    radial-gradient(820px 560px at 12% 8%, rgba(84, 215, 230, 0.12), transparent 60%),
    radial-gradient(700px 700px at 50% 110%, rgba(255, 138, 91, 0.10), transparent 60%),
    var(--bg);
}
.bg-fx::before {
  /* drifting aurora blob */
  content: "";
  position: absolute;
  width: 60vw;
  height: 60vw;
  top: -20%;
  left: 55%;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  filter: blur(40px);
  opacity: 0.5;
  animation: drift 22s ease-in-out infinite alternate;
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 35%, transparent 78%);
}
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-12%, 14%) scale(1.18); }
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: inherit; text-decoration: none; }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(7, 8, 16, 0.55);
  border-bottom: 1px solid var(--line-soft);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand .dot {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--brand);
  box-shadow: 0 0 18px rgba(176, 107, 255, 0.5);
}
.nav-links { display: flex; gap: 26px; font-size: 15px; }
.nav-links a { color: var(--ink-soft); transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }

/* ---------- Eyebrow / mono label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.gradient-text {
  background: var(--brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Homepage hero ---------- */
.hero { text-align: center; padding: 96px 0 40px; }
.hero h1 {
  font-size: clamp(40px, 6.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 26px 0 20px;
}
.hero .sub {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 40px 0 0;
  flex-wrap: wrap;
}
.hero-stats .stat .n {
  font-size: 30px; font-weight: 700; letter-spacing: -0.02em;
  background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats .stat .l { font-size: 13px; color: var(--ink-faint); letter-spacing: 0.04em; }

/* ---------- App grid (homepage) ---------- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 76px 0 22px; }
.section-head h2 { font-size: 15px; font-weight: 500; color: var(--ink-faint); font-family: var(--mono); letter-spacing: 0.14em; text-transform: uppercase; margin: 0; }

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding-bottom: 60px;
}
@media (max-width: 680px) { .app-grid { grid-template-columns: 1fr; } }

.app-card {
  position: relative;
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(.2,.7,.3,1), border-color 0.25s, box-shadow 0.25s;
}
.app-card::after {
  /* accent glow that fades in on hover */
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px 200px at 85% 0%, var(--card-glow, rgba(176,107,255,.18)), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-accent, rgba(255,255,255,0.22));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}
.app-card:hover::after { opacity: 1; }

.app-card .icon-wrap { position: relative; flex-shrink: 0; }
.app-card .icon-wrap::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 22px;
  background: radial-gradient(circle, var(--card-glow, rgba(176,107,255,.4)), transparent 70%);
  opacity: 0.55;
  filter: blur(8px);
}
.app-card img { position: relative; width: 78px; height: 78px; border-radius: 19px; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08); }
.app-card .meta { min-width: 0; position: relative; }
.app-card .name { font-size: 20px; font-weight: 600; margin: 0 0 5px; letter-spacing: -0.01em; }
.app-card .tag { margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.5; }
.app-card .go {
  position: absolute; top: 22px; right: 22px;
  color: var(--ink-faint); font-size: 19px;
  transition: transform 0.25s, color 0.25s;
}
.app-card:hover .go { color: var(--ink); transform: translate(3px, -3px); }

/* ---------- App detail page ---------- */
.app-hero { display: flex; gap: 28px; align-items: center; padding: 70px 0 14px; }
.app-hero .icon-wrap { position: relative; flex-shrink: 0; }
.app-hero .icon-wrap::before {
  content: "";
  position: absolute; inset: -14px;
  border-radius: 30px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  filter: blur(14px);
  opacity: 0.8;
}
.app-hero img { position: relative; width: 116px; height: 116px; border-radius: 26px; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1); }
.app-hero h1 { margin: 14px 0 8px; font-size: clamp(30px, 5vw, 42px); letter-spacing: -0.03em; font-weight: 700; }
.app-hero .tag { margin: 0; color: var(--ink-soft); font-size: clamp(16px, 2vw, 19px); }

.content { padding: 22px 0 70px; max-width: 760px; }
.content h2 {
  font-size: 24px; font-weight: 650; letter-spacing: -0.02em;
  margin: 48px 0 16px;
  display: flex; align-items: center; gap: 12px;
}
.content h2::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: var(--brand);
}
.content > p { color: var(--ink-soft); margin: 0 0 16px; font-size: 17.5px; }
.content strong { color: var(--ink); font-weight: 600; }

/* feature tiles */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 22px 0 8px; }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  position: relative;
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--glass);
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
}
.feature:hover { border-color: var(--accent); transform: translateY(-3px); background: var(--glass-2); }
.feature .ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; margin-bottom: 14px;
  border-radius: 12px;
  font-size: 21px;
  color: #0a0b12;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 20px var(--accent-glow);
}
.feature h3 { margin: 0 0 6px; font-size: 16.5px; font-weight: 600; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }

/* lists in prose */
.content ul.plain { color: var(--ink-soft); padding-left: 20px; margin: 0 0 18px; }
.content ul.plain li { margin: 8px 0; }
.content ul.plain li::marker { color: var(--accent); }

/* callout */
.callout {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px; margin: 22px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--glass), var(--glass)),
    linear-gradient(120deg, var(--accent-glow), transparent);
  background-clip: padding-box;
}
.callout .ic { color: var(--accent); font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.callout div { color: var(--ink); font-size: 15.5px; }

/* buttons */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 550;
  border: 1px solid var(--line);
  background: var(--glass);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #0a0b12;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 8px 26px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 12px 34px var(--accent-glow); }
.btn-ghost:hover { border-color: var(--accent); color: #fff; }

/* meta + privacy prose */
.meta-line { color: var(--ink-faint); font-family: var(--mono); font-size: 13px; margin: 0 0 28px; letter-spacing: 0.03em; }
.content h1.doc-title { font-size: clamp(28px, 5vw, 38px); letter-spacing: -0.03em; margin: 34px 0 8px; font-weight: 700; }
.content h3 { font-size: 17px; margin: 24px 0 8px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 34px 0 48px;
  color: var(--ink-faint);
  font-size: 14px;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; }
.site-footer a { color: var(--ink-soft); transition: color 0.2s; }
.site-footer a:hover { color: var(--ink); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .bg-fx::before { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { scroll-behavior: auto; }
}