/* ─── DEFAULTS FOR OPTIONAL THEME VARS ─── */
:root {
  --border: rgba(255,255,255,0.07);
  --radius: 10px;
  --eyebrow-text: var(--accent2);
  --badge-dot: var(--accent);
  --toast-accent: var(--accent);
  --term-win-bg: var(--surface);
  --api-mono-color: var(--accent2);
  --api-type-color: var(--accent);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── NOISE OVERLAY ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ─── HERO GLOW ─── */
.hero-glow {
  position: absolute;
  width: 800px;
  height: 500px;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at 50% 40%, rgba(var(--accent-rgb), 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ─── NAV ─── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 48px;
  background: rgba(var(--bg-rgb), 0.8);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'DM Mono', monospace;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .logo-badge {
  background: var(--accent);
  color: var(--btn-primary-text);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }

.btn-github {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text) !important;
  padding: 7px 14px !important;
  border-radius: 7px !important;
  font-size: 13px !important;
  transition: background 0.15s !important;
}

.btn-github:hover { background: rgba(255,255,255,0.1) !important; }

/* ─── HERO ─── */
.hero {
  position: relative;
  text-align: center;
  padding: 100px 24px 80px;
  overflow: hidden;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  color: var(--eyebrow-text);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

h1 {
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

h1 .accent { color: var(--accent); }
h1 .accent2 { color: var(--accent2); }

.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.65;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-primary-text);
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover { background: var(--btn-primary-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14.5px;
  font-weight: 400;
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  transition: background 0.15s, border-color 0.15s;
}

.btn-secondary:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.15); }

/* ─── BADGES ─── */
.badges {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--badge-dot);
}

/* ─── DIVIDER ─── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0 48px;
}

/* ─── SECTION ─── */
section {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 40px;
}

h2 span { color: var(--muted); }

/* ─── FEATURES GRID ─── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(var(--accent-rgb), 0.3);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 22px;
  margin-bottom: 12px;
  display: block;
}

.feature-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ─── CODE BLOCKS ─── */
.install-box {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.install-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 4px;
}

.tab {
  padding: 10px 14px;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.tab-content { display: none; }
.tab-content.active { display: block; }

pre {
  padding: 20px 24px;
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #c9d1d9;
  overflow-x: auto;
}

.token-comment { color: #6e7681; font-style: italic; }
.token-keyword { color: #ff7b72; }
.token-string { color: #a5d6ff; }
.token-func { color: #d2a8ff; }
.token-prop { color: #79c0ff; }
.token-num { color: #f2cc60; }
.token-obj { color: #ffa657; }

/* ─── DEMO AREA ─── */
.demo-area {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.demo-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), 0.06), transparent 60%);
  pointer-events: none;
}

.demo-area h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  text-align: center;
}

.demo-area > p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
  text-align: center;
}

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--toast-accent);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text);
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 10000;
  max-width: 300px;
}

.toast.show { transform: translateY(0); opacity: 1; }

/* ─── API TABLE ─── */
.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.api-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}

.api-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}

.api-table tr:last-child td { border-bottom: none; }
.api-table tr:hover td { background: rgba(255,255,255,0.02); }

.api-table .mono {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--api-mono-color);
}

.api-table .type {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--api-type-color);
}

.api-table .default {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--accent3);
}

.api-table td:last-child { color: var(--muted); }

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 32px;
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }

/* ─── BACK TERMINAL WIDGET ─── */
.back-terminal {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9998;
  text-decoration: none;
  animation: term-enter 0.5s ease 0.8s both;
}

.term-win {
  background: var(--term-win-bg);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.back-terminal:hover .term-win {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(0,0,0,0.55);
  border-color: rgba(var(--accent-rgb), 0.35);
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.term-bar i { width: 7px; height: 7px; border-radius: 50%; display: block; }
.term-bar i:nth-child(1) { background: #ff5f57; }
.term-bar i:nth-child(2) { background: #ffbd2e; }
.term-bar i:nth-child(3) { background: #28c840; }

.term-bar span {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: rgba(255,255,255,0.25);
  margin-left: auto;
}

.term-body {
  padding: 8px 14px 10px;
  font-family: 'DM Mono', monospace;
  font-size: 11.5px;
  line-height: 1.6;
  white-space: nowrap;
}

.term-body .path { color: #79c0ff; }
.term-body .prompt { color: #28c840; }
.term-body .cmd { color: rgba(255,255,255,0.85); }

.term-body .cursor-blink {
  display: inline-block;
  width: 6px;
  height: 13px;
  background: rgba(255,255,255,0.65);
  vertical-align: middle;
  margin-left: 1px;
  animation: term-blink 1s step-end infinite;
}

@keyframes term-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes term-enter {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 640px) {
  nav { padding: 14px 20px; }
  .nav-links a:not(.btn-github) { display: none; }
  section { padding: 60px 20px; }
  .demo-area { padding: 28px 20px; }
  h2 { font-size: 26px; }
  .back-terminal { bottom: 16px; left: 16px; }
  .term-body { font-size: 10px; }
}