:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6e3;
  --fg-muted: #8a8894;
  --gold: #d4a853;
  --gold-glow: rgba(212, 168, 83, 0.15);
  --gold-subtle: rgba(212, 168, 83, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

.gold { color: var(--gold); }

/* ── Hero ───────────────────────────── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--gold);
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Problem ────────────────────────── */
.problem {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem-label,
.features-label,
.showcase-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.problem h2,
.features h2,
.showcase h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 60px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
}

.problem-icon {
  font-size: 1.4rem;
  color: #e05252;
  margin-bottom: 16px;
  font-weight: 700;
}

.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

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

/* ── Features ───────────────────────── */
.features {
  padding: 120px 24px;
}

.features-inner {
  max-width: 900px;
  margin: 0 auto;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-row {
  display: flex;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}

.feature-row:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-number {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  min-width: 40px;
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* ── Showcase ───────────────────────── */
.showcase {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.showcase-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.showcase-item {
  text-align: center;
}

.showcase-mock {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: border-color 0.3s;
}

.showcase-mock:hover {
  border-color: var(--gold);
}

.mock-logo {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
}

.mock-a span { color: #7c6aef; }
.mock-b span { color: #3ecf8e; font-size: 3rem; }
.mock-c span { color: #e05252; font-size: 2.8rem; }
.mock-d span { color: var(--gold); font-size: 2.6rem; }

.showcase-item p {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 500;
}

/* ── Closing ────────────────────────── */
.closing {
  padding: 140px 24px;
  text-align: center;
  position: relative;
}

.closing-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Footer ─────────────────────────── */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
}

.footer-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ── Responsive ─────────────────────── */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-row {
    flex-direction: column;
    gap: 12px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero {
    min-height: 70vh;
    padding: 80px 20px 60px;
  }
}