:root {
  --bg: #0d1117;
  --bg-warm: #161b22;
  --fg: #e6edf3;
  --fg-muted: #8b949e;
  --accent: #f0a500;
  --accent-glow: rgba(240, 165, 0, 0.15);
  --accent-soft: #ffd166;
  --card-bg: #1c2128;
  --card-border: rgba(240, 165, 0, 0.12);
  --radius: 16px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 80px 24px;
  background: radial-gradient(ellipse at 30% 40%, var(--accent-glow) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(255, 209, 102, 0.06) 0%, transparent 50%),
              var(--bg);
}

.hero-inner {
  max-width: 680px;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--card-border);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0d1117;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  padding: 16px 32px;
  border-radius: 12px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: -0.01em;
}

.cta-btn:hover { opacity: 0.9; transform: translateY(-2px); }

.cta-hint {
  font-size: 13px;
  color: var(--fg-muted);
}

.hero-visual {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 340px;
  height: 340px;
}

.orbit-ring {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  position: relative;
  animation: spin 30s linear infinite;
}

.orbit-item {
  position: absolute;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: counter-spin 30s linear infinite;
}

.orbit-item span {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-soft);
}

.orbit-1 { top: -36px; left: 50%; transform: translateX(-50%); }
.orbit-2 { right: -36px; top: 50%; transform: translateY(-50%); }
.orbit-3 { bottom: -36px; left: 50%; transform: translateX(-50%); }
.orbit-4 { left: -36px; top: 50%; transform: translateY(-50%); }

@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }
@keyframes counter-spin { to { transform: rotate(-360deg); } }

/* === PROBLEM === */
.problem {
  padding: 120px 24px;
  background: var(--bg-warm);
  text-align: center;
}

.problem-inner {
  max-width: 700px;
  margin: 0 auto;
}

.problem-stat {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 24px;
}

.problem-desc {
  font-size: 1.15rem;
  color: var(--fg-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.problem-punchline {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fg);
}

/* === FEATURES === */
.features {
  padding: 120px 24px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--fg);
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === HOW === */
.how {
  padding: 120px 24px;
  background: var(--bg-warm);
}

.how-grid {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.how-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  min-width: 80px;
  line-height: 1;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 80%, var(--accent-glow) 0%, transparent 50%),
              var(--bg);
}

.closing-inner {
  max-width: 600px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing p {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === FOOTER === */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--card-border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 60px 20px;
  }

  .hero-inner {
    text-align: center;
  }

  .lede {
    margin: 0 auto;
  }

  .hero-visual {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 260px;
    height: 260px;
    margin: 48px auto 0;
  }

  .orbit-ring {
    animation-name: spin-mobile;
  }

  @keyframes spin-mobile { to { transform: rotate(360deg); } }

  .orbit-item {
    width: 56px;
    height: 56px;
  }

  .orbit-item span {
    font-size: 9px;
  }

  .orbit-1 { top: -28px; }
  .orbit-2 { right: -28px; }
  .orbit-3 { bottom: -28px; }
  .orbit-4 { left: -28px; }

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

  .how-step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    font-size: 2rem;
    min-width: auto;
  }

  .problem { padding: 80px 20px; }
  .features { padding: 80px 20px; }
  .how { padding: 80px 20px; }
  .closing { padding: 100px 20px; }
}