:root {
  --bg: #0a0a0c;
  --bg-surface: #111114;
  --bg-card: #18181c;
  --fg: #e8e6e1;
  --fg-muted: #8a8880;
  --accent: #d4a745;
  --accent-dim: #b8922e;
  --accent-glow: rgba(212, 167, 69, 0.12);
  --border: #2a2a30;
  --green: #3dd68c;
  --blue: #5b9bf5;
  --orange: #e8943a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

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

/* === HERO === */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(212, 167, 69, 0.25);
  padding: 0.4rem 1rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--accent);
}

/* Hero Visual - Data Stream */
.hero-visual {
  display: flex;
  justify-content: center;
}

.data-stream {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  width: 100%;
  max-width: 380px;
}

.stream-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 0.85rem;
}

.stream-line:last-child {
  border-bottom: none;
}

.stream-line .label {
  color: var(--fg-muted);
}

.stream-line .status {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
}

.status.done {
  color: var(--green);
  background: rgba(61, 214, 140, 0.1);
}

.status.working {
  color: var(--orange);
  background: rgba(232, 148, 58, 0.1);
}

.status.queue {
  color: var(--fg-muted);
  background: rgba(138, 136, 128, 0.1);
}

.stream-line.active {
  background: rgba(232, 148, 58, 0.04);
  border-radius: 4px;
}

/* === STATS === */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 3rem 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 0.4rem;
}

/* === FEATURES === */
.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.features-header {
  margin-bottom: 4rem;
}

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

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.features-intro {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 600px;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* === HOW === */
.how {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6rem 2rem;
}

.how-content {
  max-width: 800px;
  margin: 0 auto;
}

.how-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.5;
  min-width: 50px;
  line-height: 1;
  padding-top: 0.2rem;
}

.step-text h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-text p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* === CLOSING === */
.closing {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.closing-accent {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--accent);
  opacity: 0.8;
}

/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.footer-loc {
  color: var(--fg-muted);
  font-size: 0.8rem;
  opacity: 0.6;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 4rem 1.5rem 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .data-stream {
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .features {
    padding: 4rem 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .how {
    padding: 4rem 1.5rem;
  }

  .step {
    flex-direction: column;
    gap: 0.5rem;
  }

  .step-num {
    font-size: 1.5rem;
  }

  .closing {
    padding: 4rem 1.5rem;
  }
}