:root {
  --bg: #0f0f0f;
  --bg-elevated: #1a1a1a;
  --fg: #e8e4df;
  --fg-muted: #8a8580;
  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.15);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
  position: relative;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 40px;
  padding: 8px 16px;
  border: 1px solid rgba(212, 168, 83, 0.3);
  display: inline-block;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 110px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -2px;
  margin-bottom: 60px;
}

.hero h1 .accent {
  color: var(--accent);
  font-style: italic;
  font-family: var(--font-body);
  font-weight: 400;
}

.hero-split {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  max-width: 700px;
  margin-left: auto;
}

.hero-line {
  width: 60px;
  min-width: 60px;
  height: 1px;
  background: var(--accent);
  margin-top: 14px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.hero-cta {
  margin-top: 32px;
}

.hero-btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent);
  color: #0f0f0f;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  transition: opacity 0.2s;
}

.hero-btn:hover { opacity: 0.88; }

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.scroll-line {
  width: 40px;
  height: 1px;
  background: var(--fg-muted);
}

/* ─── PROBLEM ─── */
.problem {
  padding: 140px 48px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 60px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.problem-statement h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.5px;
  position: sticky;
  top: 120px;
}

.problem-details {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.problem-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.problem-number {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  min-width: 28px;
  margin-top: 4px;
}

.problem-item h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.problem-item p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ─── FEATURES ─── */
.features {
  padding: 140px 48px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 24px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 80px;
}

.features-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--bg);
  padding: 48px 40px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
}

.feature-card-wide {
  grid-column: span 1;
}

.feature-icon {
  font-size: 20px;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0.7;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ─── CLOSING ─── */
.closing {
  padding: 180px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing-accent {
  width: 80px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 48px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 19px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
}

.closing-location {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
  opacity: 0.6;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 40px 48px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
}

.footer-meta {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
  }

  .hero h1 {
    margin-bottom: 40px;
  }

  .hero-split {
    flex-direction: column;
    gap: 0;
    margin-left: 0;
  }

  .hero-line {
    display: none;
  }

  .hero-scroll-hint {
    left: 24px;
    bottom: 24px;
  }

  .problem {
    padding: 80px 24px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .problem-statement h2 {
    position: static;
  }

  .features {
    padding: 80px 24px;
  }

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

  .feature-card {
    padding: 36px 28px;
  }

  .closing {
    padding: 100px 24px;
  }

  .site-footer {
    padding: 32px 24px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    letter-spacing: -1px;
  }

  .problem-item {
    flex-direction: column;
    gap: 8px;
  }
}