:root {
  --accent: #FF6A00;
  --accent-dim: rgba(255,106,0,0.12);
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #181818;
  --border: rgba(255,255,255,0.06);
  --text: #e8e8e8;
  --muted: #666666;
  --faint: #2a2a2a;
  --font: 'JetBrains Mono', 'Consolas', monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }

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

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

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(16px);
  transition: border-color 0.3s;
}

.nav-brand {
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em;
  display: flex; align-items: center; gap: 10px;
  transition: opacity 0.2s var(--ease);
}
.nav-brand:hover { opacity: 0.7; }

.nav-brand .mark {
  width: 20px; height: 20px;
  border: 1.5px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: var(--accent);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.nav-brand:hover .mark {
  background: rgba(255,106,0,0.08);
  box-shadow: 0 0 12px rgba(255,106,0,0.3);
}

.nav-links { display: flex; gap: 2rem; align-items: center; }

.nav-links a {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  color: var(--accent) !important;
  border: 1px solid rgba(255,106,0,0.4);
  padding: 7px 16px;
  transition: border-color 0.2s, background 0.2s, color 0.2s !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  border-color: var(--accent) !important;
  background: var(--accent-dim);
  color: var(--accent) !important;
}

/* ── HERO ── */
.hero {
  min-height: 100dvh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(6rem, 12vw, 10rem) clamp(1.5rem, 5vw, 3rem) clamp(4rem, 8vw, 6rem);
  position: relative; overflow: hidden;
}

.hero-noise {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.025;
  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)'/%3E%3C/svg%3E");
  background-size: 180px;
}

.hero-line {
  position: absolute; top: 0; left: clamp(1.5rem, 5vw, 3rem);
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,106,0,0.15) 30%, rgba(255,106,0,0.08) 70%, transparent);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(12px);
  animation: reveal 0.6s var(--ease) 0.1s forwards;
}

.hero h1 {
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  font-weight: 700; line-height: 1.0;
  letter-spacing: -0.025em; max-width: 14ch; margin-bottom: 2rem;
  opacity: 0; transform: translateY(16px);
  animation: reveal 0.7s var(--ease) 0.2s forwards;
}
.hero h1 em { font-style: normal; color: var(--accent); }

.hero-sub {
  font-size: clamp(0.85rem, 1.5vw, 0.95rem);
  color: var(--muted); max-width: 48ch; line-height: 1.8; margin-bottom: 3rem;
  opacity: 0; transform: translateY(12px);
  animation: reveal 0.7s var(--ease) 0.35s forwards;
}

.hero-actions {
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
  opacity: 0; transform: translateY(10px);
  animation: reveal 0.6s var(--ease) 0.5s forwards;
}

.hero-meta {
  position: absolute; bottom: clamp(2rem, 4vw, 3rem); left: clamp(1.5rem, 5vw, 3rem);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted);
  opacity: 0; animation: reveal 0.6s var(--ease) 0.8s forwards;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block; padding: 12px 28px;
  font-family: var(--font); font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: white; background: var(--accent); border: none; cursor: pointer;
  position: relative; overflow: hidden;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn-primary::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.08);
  transform: translateX(-100%);
  transition: transform 0.3s var(--ease);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover {
  background: #FF8C00;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,106,0,0.35);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }

.btn-secondary {
  display: inline-block; padding: 12px 28px;
  font-family: var(--font); font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.btn-secondary:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.03);
}

/* ── SPECS BAR ── */
.specs-bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}
.spec {
  padding: 2rem clamp(1.5rem, 3vw, 2.5rem);
  border-right: 1px solid var(--border);
  transition: background 0.25s var(--ease);
  cursor: default;
}
.spec:last-child { border-right: none; }
.spec:hover { background: rgba(255,255,255,0.02); }
.spec:hover .spec-value { color: var(--accent); }
.spec-label {
  font-size: 10px; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 0.4rem;
}
.spec-value {
  font-size: clamp(1.2rem, 2vw, 1.6rem); font-weight: 700;
  color: var(--text); letter-spacing: -0.01em;
  transition: color 0.2s var(--ease);
}

/* ── SECTIONS ── */
.section-divider { height: 1px; background: var(--border); }

.features {
  padding: clamp(5rem, 10vw, 8rem) clamp(1.5rem, 5vw, 3rem);
  max-width: 1200px; margin: 0 auto;
}

.requirements {
  padding: clamp(5rem, 10vw, 8rem) clamp(1.5rem, 5vw, 3rem);
  max-width: 1200px; margin: 0 auto;
}

.section-header { display: flex; align-items: baseline; gap: 1.5rem; margin-bottom: 4rem; }
.section-num { font-size: 11px; color: var(--accent); letter-spacing: 0.1em; font-weight: 500; }
.section-title { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 700; letter-spacing: -0.01em; }

/* ── FEATURES GRID ── */
.features-list {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; border: 1px solid var(--border);
}

.feature {
  padding: 2.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: background 0.3s var(--ease);
}

.feature::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.feature:nth-child(2n) { border-right: none; }
.feature:nth-last-child(-n+2) { border-bottom: none; }

.feature:hover { background: var(--surface); }
.feature:hover::before { transform: scaleX(1); }
.feature:hover .feature-index { color: var(--text); }
.feature:hover h3 { color: var(--accent); }

.feature-index {
  font-size: 10px; color: var(--accent); letter-spacing: 0.1em;
  margin-bottom: 1.2rem; font-weight: 500;
  transition: color 0.2s var(--ease);
}
.feature h3 {
  font-size: 14px; font-weight: 700; margin-bottom: 0.6rem; letter-spacing: 0.01em;
  transition: color 0.2s var(--ease);
}
.feature p { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* ── REQUIREMENTS ── */
.req-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
}
.req-col { padding: 2.5rem; border-right: 1px solid var(--border); }
.req-col:last-child { border-right: none; }
.req-col h3 {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--muted); margin-bottom: 1.5rem;
}
.req-item {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 0; border-bottom: 1px solid var(--faint);
  font-size: 13px; color: var(--muted);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}
.req-item:hover { color: var(--text); padding-left: 4px; }
.req-item:last-child { border-bottom: none; }
.req-item::before {
  content: ''; width: 4px; height: 4px; background: var(--accent); flex-shrink: 0;
  transition: transform 0.2s var(--ease);
}
.req-item:hover::before { transform: scale(1.5); }

/* ── DOCS BANNER ── */
.docs-banner {
  margin: 0 clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--border); padding: 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.docs-banner:hover {
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.01);
}
.docs-banner-left h2 { font-size: 16px; font-weight: 700; margin-bottom: 0.4rem; }
.docs-banner-left p { font-size: 13px; color: var(--muted); }
.wip-badge {
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(255,106,0,0.3);
  padding: 4px 10px; display: inline-block; margin-bottom: 0.8rem;
}

/* ── FOOTER ── */
footer {
  padding: 2.5rem clamp(1.5rem, 5vw, 3rem);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  font-size: 11px; color: #444444;
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-top: clamp(3rem, 6vw, 5rem);
}
footer a {
  color: #555555;
  transition: color 0.2s var(--ease);
  position: relative;
}
footer a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease);
}
footer a:hover { color: var(--text); }
footer a:hover::after { transform: scaleX(1); }

/* ── ANIMATIONS ── */
@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hide-sm { display: none; }
  .specs-bar { grid-template-columns: 1fr 1fr; }
  .spec:nth-child(2) { border-right: none; }
  .spec:nth-child(3) { border-right: 1px solid var(--border); }
  .spec:nth-child(3), .spec:nth-child(4) { border-top: 1px solid var(--border); }
  .features-list { grid-template-columns: 1fr; }
  .feature { border-right: none !important; }
  .feature:last-child { border-bottom: none; }
  .req-grid { grid-template-columns: 1fr; }
  .req-col { border-right: none !important; border-bottom: 1px solid var(--border); }
  .req-col:last-child { border-bottom: none; }
  .docs-banner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-eyebrow, .hero h1, .hero-sub, .hero-actions, .hero-meta {
    animation: none !important; opacity: 1 !important; transform: none !important;
  }
  .reveal { opacity: 1; transform: none; transition: none; }
  .feature::before,
  .nav-links a::after,
  .footer a::after,
  .btn-primary::before { display: none; }
}