:root {
  --red: #e8000d;
  --red-glow: rgba(232, 0, 13, 0.5);
  --red-dim: rgba(232, 0, 13, 0.15);
  --bg: #060608;
  --surface: rgba(14, 14, 18, 0.92);
  --surface2: rgba(22, 22, 28, 0.9);
  --border: rgba(255, 255, 255, 0.07);
  --border-red: rgba(232, 0, 13, 0.3);
  --text: #f0f0f2;
  --text-muted: #6b6b7a;
  --text-dim: #9999a8;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'DM Sans', sans-serif;
  --display: 'Syne', sans-serif;
  --navbar-h: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── BACKGROUND ── */
.background-video {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: brightness(0.18) saturate(0.6);
}
.bg-overlay {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(232,0,13,0.07) 0%, transparent 70%),
    linear-gradient(180deg, rgba(6,6,8,0.6) 0%, rgba(6,6,8,0.95) 60%);
  z-index: -1;
}

/* ── LOADING ── */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.7s ease;
}
.loading-screen.hidden { opacity: 0; pointer-events: none; }
.loading-content { text-align: center; }
.loading-logo img {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 2px solid var(--red);
  box-shadow: 0 0 30px var(--red-glow);
  margin-bottom: 24px;
  animation: spin 4s linear infinite;
}
.loading-text {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--red);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.loading-bar {
  width: 180px; height: 3px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
  margin: 0 auto;
}
.loading-progress {
  height: 100%;
  width: 0%;
  background: var(--red);
  border-radius: 99px;
  transition: width 0.3s ease;
  box-shadow: 0 0 12px var(--red-glow);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  z-index: 100;
  background: rgba(6,6,8,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}
.navbar.scrolled { border-bottom-color: var(--border-red); }
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.nav-brand img {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--red);
}
.brand-tag {
  font-size: 0.6rem;
  font-family: var(--mono);
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid var(--border-red);
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 2px;
  margin-left: 4px;
  vertical-align: middle;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a:hover { color: var(--text); background: var(--border); }
.nav-links a.muted { color: var(--text-muted); font-size: 0.78rem; }
.nav-links a i { font-size: 0.8rem; }
.nav-status {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.7);
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 8px rgba(34, 197, 94, 0.7); }
  50% { box-shadow: 0 0 16px rgba(34, 197, 94, 1); }
}
.status-label {
  font-size: 0.72rem;
  font-family: var(--mono);
  color: #22c55e;
  letter-spacing: 1px;
}

/* ── PAGE ── */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: calc(var(--navbar-h) + 80px) 24px 80px;
}

/* ── HERO ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 100px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 99px;
  margin-bottom: 28px;
  background: var(--surface2);
}
.hero-badge code {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.72rem;
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 8px var(--red-glow);
}
.hero-title {
  font-family: var(--display);
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-accent {
  color: var(--red);
  text-shadow: 0 0 40px var(--red-glow);
}
.hero-sub {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
  cursor: pointer;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 20px var(--red-glow);
}
.btn-primary:hover {
  background: #ff1a24;
  box-shadow: 0 6px 30px var(--red-glow);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-red);
  color: var(--text);
  background: var(--red-dim);
  transform: translateY(-2px);
}

/* ── CODE SNIPPET ── */
.snippet-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  animation: fadeUp 0.8s 0.2s both;
}
.snippet-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.snippet-dots { display: flex; gap: 6px; }
.snippet-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.snippet-dots span:first-child { background: #e8000d55; }
.snippet-dots span:nth-child(2) { background: #f59e0b55; }
.snippet-dots span:last-child { background: #22c55e55; }
.snippet-title {
  font-size: 0.72rem;
  font-family: var(--mono);
  color: var(--text-muted);
  flex: 1;
}
.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.2s;
  font-size: 0.8rem;
}
.copy-btn:hover { color: var(--text); background: var(--border); }
.snippet-body {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.9;
  padding: 20px;
  overflow-x: auto;
  white-space: pre;
}
.tok-comment { color: #4a4a5a; }
.tok-method { color: var(--red); font-weight: 700; }
.tok-url { color: #7dd3fc; }
.tok-key { color: #c084fc; }
.tok-val { color: #86efac; }
.tok-string { color: #fde68a; }
.tok-brace { color: var(--text-dim); }

/* ── SECTION LABEL ── */
.section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--red);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 120px;
}

/* ── FEATURES ── */
.features { margin-bottom: 100px; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.25s;
  cursor: default;
}
.feat-card:hover {
  border-color: var(--border-red);
  background: var(--surface2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(232,0,13,0.1);
}
.feat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--red-dim);
  border: 1px solid var(--border-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--red);
  margin-bottom: 16px;
}
.feat-card h3 {
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.feat-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.feat-route {
  margin-top: 4px;
}
.feat-route code {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--red);
  background: var(--red-dim);
  border: 1px solid var(--border-red);
  padding: 2px 8px;
  border-radius: 5px;
}

/* ── QUICKSTART ── */
.quickstart { margin-bottom: 80px; }
.qs-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--border);
  padding-left: 28px;
  margin-left: 16px;
}
.qs-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 36px;
  position: relative;
}
.qs-step::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 12px var(--red-glow);
  border: 2px solid var(--bg);
}
.qs-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--red);
  letter-spacing: 2px;
  padding-top: 3px;
  flex-shrink: 0;
  width: 24px;
}
.qs-content h4 {
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.qs-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.qs-content a {
  color: var(--red);
  text-decoration: none;
  font-weight: 500;
}
.qs-content a:hover { text-decoration: underline; }
.qs-content code {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--red);
  background: var(--red-dim);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
}
.footer-brand img {
  width: 24px; height: 24px;
  border-radius: 50%;
  opacity: 0.7;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.82rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--red); }
.footer-copy {
  font-size: 0.72rem;
  color: #333340;
  font-family: var(--mono);
  letter-spacing: 1px;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-inner { animation: fadeUp 0.7s both; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--red); border-radius: 99px; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  :root { --navbar-h: 56px; }

  /* PAGE */
  .page {
    padding-top: calc(var(--navbar-h) + 36px);
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 60px;
  }

  /* NAVBAR */
  .nav-inner { padding: 0 16px; gap: 8px; }
  .nav-brand span { font-size: 0.9rem; }
  .nav-links { gap: 0; flex-shrink: 0; }
  .nav-links a {
    padding: 6px 10px;
    font-size: 0.78rem;
    gap: 0;
  }
  .nav-links a i { font-size: 1rem; }
  .nav-links .nav-text { display: none; }
  .nav-links a.muted { display: none; }
  .status-label { display: none; }

  /* HERO */
  .hero { gap: 32px; margin-bottom: 64px; }
  .hero-badge { font-size: 0.65rem; padding: 4px 10px; }
  .hero-title { font-size: 2rem; letter-spacing: -0.5px; }
  .hero-sub { font-size: 0.88rem; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; padding: 13px 20px; }

  /* SNIPPET */
  .snippet-body { font-size: 0.7rem; padding: 14px; line-height: 1.8; }

  /* FEATURES */
  .features { margin-bottom: 64px; }
  .cards-grid { grid-template-columns: 1fr; gap: 12px; }
  .feat-card { padding: 18px; }
  .feat-icon { width: 36px; height: 36px; font-size: 0.9rem; }
  .feat-card h3 { font-size: 0.88rem; }
  .feat-card p { font-size: 0.78rem; }

  /* QUICKSTART */
  .quickstart { margin-bottom: 56px; }
  .qs-steps { padding-left: 20px; margin-left: 10px; }
  .qs-step::before { left: -26px; width: 10px; height: 10px; }
  .qs-content h4 { font-size: 0.88rem; }
  .qs-content p { font-size: 0.8rem; }

  /* SECTION LABEL */
  .section-label { font-size: 0.68rem; margin-bottom: 24px; }

  /* FOOTER */
  .footer { padding: 28px 0; }
  .footer-inner { gap: 14px; padding: 0 16px; }
  .footer-links { gap: 14px; }
  .footer-links a { font-size: 0.76rem; }
}