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

:root {
  --bg: #070707;
  --bg-alt: #0d0d0d;
  --surface: #141414;
  --surface-2: #1a1a1a;
  --accent: #FF4500;
  --accent-dim: rgba(255, 69, 0, 0.15);
  --accent-glow: rgba(255, 69, 0, 0.4);
  --text: #F0F0F0;
  --text-muted: #888;
  --text-dim: #555;
  --border: rgba(255,255,255,0.07);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(7,7,7,0.8);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text);
}

.nav-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
}

/* HERO */
.hero {
  min-height: 100vh;
  padding: 100px 2rem 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero-accent {
  color: var(--accent);
  display: block;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

/* HERO VISUAL */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 0 60px rgba(255,69,0,0.06);
}

.card-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

.card-arrow {
  text-align: center;
  margin-bottom: 1.5rem;
}

.card-output {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.output-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  font-family: 'Courier New', monospace;
  transition: all 0.2s;
}

.output-chip:hover {
  border-color: rgba(255,255,255,0.15);
  background: var(--bg-alt);
}

.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--accent-glow);
}

.chip-green { background: #22c55e; box-shadow: 0 0 6px rgba(34,197,94,0.4); }
.chip-orange { background: #f97316; box-shadow: 0 0 6px rgba(249,115,22,0.4); }
.chip-blue { background: #3b82f6; box-shadow: 0 0 6px rgba(59,130,246,0.4); }

/* FEATURES */
.features {
  padding: 80px 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.features-header {
  max-width: 1200px;
  margin: 0 auto 4rem;
}

.section-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}

.features-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg-alt);
  padding: 2rem;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--surface);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* USE CASES */
.usecases {
  padding: 80px 2rem;
  border-top: 1px solid var(--border);
}

.usecases-header {
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.usecases-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
}

.usecases-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.usecase-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  transition: background 0.2s;
}

.usecase-item:last-child { border-bottom: none; }
.usecase-item:hover { background: var(--bg-alt); }

.usecase-eyebrow {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--border);
  line-height: 1;
  padding-top: 0.25rem;
}

.usecase-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.usecase-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 1rem;
}

.usecase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.usecase-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 10px;
  text-transform: uppercase;
}

/* CLOSING */
.closing {
  padding: 80px 2rem;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.closing-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 4rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}

.closing-stat {
  flex: 1;
  padding: 2rem 1.5rem;
  text-align: center;
}

.closing-stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.closing-statement {
  border-top: 1px solid var(--border);
  padding-top: 3rem;
}

.closing-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1rem;
}

.closing-secondary {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 640px;
}

/* FOOTER */
.footer {
  padding: 40px 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--text);
}

.footer-tagline {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-info {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 80px;
  }
  .hero-visual {
    order: -1;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .usecase-item {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }
  .closing-stat-row {
    flex-direction: column;
  }
  .closing-stat-divider {
    width: 80px;
    height: 1px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-brand { align-items: center; }
  .footer-bottom { text-align: center; }
}

@media (max-width: 600px) {
  .hero-headline { font-size: 2.4rem; }
  .stat-number { font-size: 2rem; }
  .usecase-item { grid-template-columns: 40px 1fr; }
}