/* ============================================
   TOKENS
   ============================================ */
:root {
  --bg: #0B0E13;
  --panel: #12161D;
  --panel-2: #171C25;
  --line: #232935;
  --line-soft: #1B212B;
  --text: #EDEFF3;
  --text-dim: #8890A0;
  --text-faint: #545C6C;
  --teal: #45E6D1;
  --teal-dim: #1F5A52;
  --blue: #4C8DFF;
  --coral: #FF8A65;

  --display: 'Space Grotesk', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --container: 1160px;
  --radius: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
code { font-family: var(--mono); }

.skip-link a {
  position: absolute; left: -999px; top: 0;
  background: var(--teal); color: #05201C;
  padding: 10px 16px; z-index: 200; font-family: var(--mono); font-size: 13px;
}
.skip-link a:focus { left: 12px; top: 12px; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 14, 19, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  max-width: var(--container); margin: 0 auto; padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; white-space: nowrap; }
.brand-icon { font-size: 15px; }
.brand-accent { color: var(--teal); }
.brand-version {
  font-family: var(--mono); font-size: 10.5px; color: var(--text-faint);
  border: 1px solid var(--line); padding: 2px 6px; border-radius: 20px; margin-left: 2px;
}
.nav-links { display: flex; gap: 28px; font-size: 13.5px; color: var(--text-dim); }
.nav-links a { transition: color 0.15s ease; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  font-family: var(--mono); font-size: 12.5px; color: var(--teal);
  border: 1px solid var(--teal-dim); padding: 8px 14px; border-radius: 6px; white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.nav-cta:hover { background: rgba(69, 230, 209, 0.08); border-color: var(--teal); }
@media (max-width: 860px) { .nav-links { display: none; } }

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 76px 28px;
  background: radial-gradient(ellipse 800px 420px at 15% 0%, rgba(69, 230, 209, 0.07), transparent 60%), var(--bg);
}
.hero-inner {
  max-width: var(--container); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.beta-tag {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--coral); border: 1px solid rgba(255,138,101,0.35); padding: 5px 10px; border-radius: 20px;
  margin-bottom: 22px;
}
.hero-title { font-size: clamp(2rem, 4vw, 2.9rem); line-height: 1.14; }
.hero-accent { color: var(--teal); }
.hero-sub { color: var(--text-dim); font-size: 16px; line-height: 1.7; margin-top: 22px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.btn {
  font-family: var(--display); font-weight: 600; font-size: 14.5px;
  padding: 13px 22px; border-radius: 8px; border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  display: inline-block;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: #05201C; }
.btn-primary:hover { background: #62ecdb; }
.btn-ghost { color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--text-dim); }

/* ---- Signature: interactive browser mock ---- */
.browser-mock {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  overflow: hidden; box-shadow: 0 30px 70px -30px rgba(0,0,0,0.6);
}
.browser-chrome {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; background: var(--panel-2); border-bottom: 1px solid var(--line-soft);
}
.chrome-dots { display: flex; gap: 6px; flex-shrink: 0; }
.chrome-dots span { width: 10px; height: 10px; border-radius: 50%; }
.chrome-dots span:nth-child(1) { background: #FF6B6B; }
.chrome-dots span:nth-child(2) { background: #FFD166; }
.chrome-dots span:nth-child(3) { background: #45E6D1; }
.chrome-url {
  flex-grow: 1; display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; color: var(--text-faint);
  background: var(--bg); border: 1px solid var(--line-soft); border-radius: 6px; padding: 6px 10px;
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.chrome-url .lock { font-size: 10px; }
#urlPath { color: var(--teal); }

.browser-body { padding: 22px; }
.browser-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.crumb { font-size: 14px; color: var(--text-dim); }
.crumb strong { color: var(--text); }
.fake-search {
  font-family: var(--mono); font-size: 11.5px; color: var(--text-faint);
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px;
}

.tile-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  min-height: 176px;
}
.tile {
  background: var(--bg); border: 1px solid var(--line-soft); border-radius: 8px;
  padding: 16px 10px; display: flex; flex-direction: column; align-items: center; gap: 8px;
  cursor: pointer; transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
  font-size: 11.5px; color: var(--text-dim); text-align: center;
}
.tile:hover, .tile:focus-visible { border-color: var(--teal-dim); background: rgba(69,230,209,0.05); transform: translateY(-2px); }
.tile.is-active { border-color: var(--teal); color: var(--text); }
.tile-icon { font-size: 26px; }
.tile-name { line-height: 1.3; word-break: break-word; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .tile-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .tile-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   SECTIONS (shared)
   ============================================ */
.section { padding: 96px 28px; }
.section-alt { background: var(--panel); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section-inner { max-width: var(--container); margin: 0 auto; }
.section-inner.narrow { max-width: 700px; }

.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--teal); margin-bottom: 14px; }
.section h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 20px; max-width: 640px; }
.lede { color: var(--text-dim); font-size: 16px; line-height: 1.75; max-width: 620px; }
.lede-small { color: var(--text-faint); font-size: 13px; margin-bottom: 24px; }

/* ============================================
   FEATURES
   ============================================ */
.feature-grid {
  margin-top: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line-soft); border: 1px solid var(--line-soft);
}
.feature-card {
  position: relative; background: var(--bg); padding: 26px 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.feature-icon { font-size: 22px; }
.feature-card h3 { font-size: 15px; }
.feature-card p { color: var(--text-dim); font-size: 13.5px; line-height: 1.55; }
.feature-card code { font-size: 12.5px; color: var(--teal); }
.new-badge {
  position: absolute; top: 14px; right: 16px; font-family: var(--mono); font-size: 9.5px;
  color: var(--coral); border: 1px solid rgba(255,138,101,0.4); padding: 2px 6px; border-radius: 20px;
  letter-spacing: 0.04em;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .feature-grid { grid-template-columns: 1fr; } }

/* ============================================
   STACK
   ============================================ */
.stack-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.stack-chip {
  font-family: var(--mono); font-size: 13px; color: var(--blue);
  border: 1px solid rgba(76,141,255,0.3); background: rgba(76,141,255,0.06);
  padding: 8px 14px; border-radius: 20px;
}

/* ============================================
   TERMINAL
   ============================================ */
.terminal { margin-top: 36px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--panel); }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: var(--panel-2); border-bottom: 1px solid var(--line-soft); }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-r { background: #FF6B6B; }
.dot-y { background: #FFD166; }
.dot-g { background: #45E6D1; }
.terminal-title { margin-left: 8px; font-family: var(--mono); font-size: 11.5px; color: var(--text-faint); }
.terminal-body { margin: 0; padding: 22px; font-family: var(--mono); font-size: 13px; line-height: 1.85; color: var(--text-dim); overflow-x: auto; }
.terminal-body .prompt { color: var(--teal); }
.terminal-body .cmt { color: var(--text-faint); }
.terminal-body .out { color: var(--blue); display: inline-block; margin-top: 4px; }

/* ============================================
   ROADMAP
   ============================================ */
.roadmap-list { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.roadmap-list li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--text-dim); }
.roadmap-tag {
  font-family: var(--mono); font-size: 10px; color: var(--coral);
  border: 1px solid rgba(255,138,101,0.4); padding: 3px 8px; border-radius: 20px; flex-shrink: 0;
}

/* ============================================
   STRUCTURE / TREE
   ============================================ */
.tree-block {
  margin-top: 32px; padding: 22px 24px; background: var(--panel); border: 1px solid var(--line-soft);
  border-radius: 10px; font-family: var(--mono); font-size: 13px; line-height: 1.75; color: var(--text-dim);
  overflow-x: auto;
}
.tree-note { color: var(--teal); font-style: normal; }

/* ============================================
   FOOTER
   ============================================ */
.footer { padding: 40px 28px; border-top: 1px solid var(--line-soft); }
.footer-inner {
  max-width: var(--container); margin: 0 auto; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; font-family: var(--mono); font-size: 12px; color: var(--text-faint);
}
.footer-inner a:hover { color: var(--teal); }