/* Glixo Code — landing page
   Dark, glassy, brand gradient (blue -> purple). Zero external deps. */

:root {
  --bg: #0a0c11;
  --bg-2: #0d1017;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.24);
  --text: #f2f5fa;
  --muted: #97a3b6;
  --blue: #3b82f6;
  --blue-bright: #2563eb;
  --purple: #a855f7;
  --radius: 16px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- Background decoration ---------- */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60rem 40rem at 18% -10%, rgba(59, 130, 246, 0.16), transparent 60%),
    radial-gradient(50rem 40rem at 92% 8%, rgba(168, 85, 247, 0.16), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(70% 55% at 50% 0%, #000 0%, transparent 75%);
  mask-image: radial-gradient(70% 55% at 50% 0%, #000 0%, transparent 75%);
}

/* ---------- Shared ---------- */
.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #b9a7f0;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 18px;
}
.grad {
  background: linear-gradient(120deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 750; }
p { color: var(--muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 11px;
  border: 1px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--blue-bright), var(--purple));
  box-shadow: 0 8px 30px rgba(99, 91, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 38px rgba(99, 91, 255, 0.5); transform: translateY(-1px); }
.btn-ghost {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--surface-2); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  backdrop-filter: blur(10px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: #11141b;
  border: 1px solid var(--border);
}
.brand-mark.big { width: 84px; height: 84px; border-radius: 20px; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -0.01em; }
.brand-sub { color: var(--muted); font-weight: 700; }
.nav-links { margin-left: auto; display: flex; gap: 26px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 550; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { padding: 9px 16px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.lede { font-size: 18px; max-width: 40ch; margin: 22px 0 28px; }
.lede strong { color: #d7deea; font-weight: 650; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-trust { display: flex; align-items: center; gap: 10px; margin-top: 30px; color: var(--muted); font-size: 13.5px; flex-wrap: wrap; }
.chip {
  font-size: 13px;
  font-weight: 600;
  color: #d7deea;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
}

/* Hero window mockup */
.hero-visual { perspective: 1400px; }
.window {
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  background: linear-gradient(180deg, #12151d, #0e1016);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255,255,255,0.02) inset;
  overflow: hidden;
  transform: rotateY(-9deg) rotateX(4deg);
  transition: transform 0.4s ease;
}
.hero-visual:hover .window { transform: rotateY(-3deg) rotateX(1deg); }
.window-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f57; } .dot.amber { background: #febc2e; } .dot.green { background: #28c840; }
.window-title { margin-left: 10px; font-size: 12.5px; color: var(--muted); }
.window-body { padding: 18px; display: flex; flex-direction: column; gap: 16px; }
.msg { display: flex; gap: 11px; align-items: flex-start; }
.avatar {
  flex: none; width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
  border: 1px solid var(--border);
}
.avatar.yo { background: #1d222b; color: #cbd5e1; }
.avatar.ai { background: #11141b; }
.bubble {
  font-size: 13.5px; color: #dbe2ee;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 13px; max-width: 100%;
}
.msg.user .bubble { background: rgba(59,130,246,0.10); border-color: rgba(59,130,246,0.22); }
.bubble .line { color: var(--muted); }
.bubble .line + .line { margin-top: 5px; }
.bubble code { color: #b9c6ff; background: rgba(99,91,255,0.12); padding: 1px 5px; border-radius: 5px; font-size: 12px; }
.bubble .typing { color: #dbe2ee; }
.caret {
  display: inline-block; width: 7px; height: 14px; margin-left: 3px;
  background: linear-gradient(var(--blue), var(--purple));
  border-radius: 2px; vertical-align: -2px;
  animation: blink 1s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: 64px 24px; }
.section-head { max-width: 60ch; margin: 0 auto 44px; text-align: center; }
.section-head p { font-size: 16.5px; margin-top: 14px; }

/* Features grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.16s ease, border-color 0.2s ease, background 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.card-ico {
  width: 44px; height: 44px; border-radius: 11px;
  display: grid; place-items: center; font-size: 21px;
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(168,85,247,0.18));
  border: 1px solid var(--border);
  margin-bottom: 16px;
}
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14.5px; margin: 0; }

/* Band (models) */
.band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.015);
}
.band-inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}
.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 11px; }
.ticks li { position: relative; padding-left: 28px; color: #cdd5e2; font-size: 15px; }
.ticks li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 6px; font-size: 12px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--blue-bright), var(--purple));
}
.band-models { display: grid; gap: 16px; }
.model-card {
  border: 1px solid var(--border-strong); border-radius: 14px; padding: 18px 20px;
  background: linear-gradient(180deg, #12151d, #0e1016);
}
.model-name { font-weight: 750; font-size: 17px; }
.model-meta { color: var(--muted); font-size: 13px; margin: 2px 0 12px; }
.bar { height: 8px; border-radius: 99px; background: rgba(148,163,184,0.14); overflow: hidden; }
.bar span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--purple)); }

/* Platforms */
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 760px; margin: 0 auto; }
.platform {
  border: 1px solid var(--border); background: var(--surface); border-radius: 14px;
  padding: 26px 14px; text-align: center; font-weight: 650; color: #d7deea;
  transition: transform 0.16s ease, border-color 0.2s;
}
.platform:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.p-ico { display: block; font-size: 28px; margin-bottom: 10px; }

/* CTA */
.cta { text-align: center; }
.cta-box {
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 56px 28px;
  background:
    radial-gradient(40rem 20rem at 50% -30%, rgba(99,91,255,0.22), transparent 60%),
    linear-gradient(180deg, #12151d, #0c0e14);
  max-width: 760px; margin: 0 auto;
}
.cta-box h2 { margin: 18px 0 10px; }
.cta-box p { font-size: 16.5px; margin: 0 0 26px; }
.cta-box .hero-actions { justify-content: center; }

/* Footer */
.footer {
  max-width: var(--maxw); margin: 0 auto;
  padding: 34px 24px 56px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  border-top: 1px solid var(--border);
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-brand strong { color: var(--muted); }
.footer-links { margin-left: auto; display: flex; gap: 22px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.copy { color: var(--muted); font-size: 13.5px; width: 100%; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .hero-visual { order: 2; }
  .window { transform: none; }
  .grid { grid-template-columns: 1fr 1fr; }
  .band-inner { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr 1fr; }
  .nav-cta { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .caret { animation: none; }
}