/* Base */
:root {
  --bg: #FAF8F5;
  --bg-alt: #F2EFE9;
  --fg: #1A1A1A;
  --fg-muted: #6B6B6B;
  --accent: #C8973B;
  --accent-dark: #1B3A2D;
  --border: #E0DDD6;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--accent-dark);
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  font-weight: 500;
}

/* Hero */
.hero {
  padding: 80px 48px 80px;
  background: var(--bg);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.08;
  color: var(--accent-dark);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}
.hero-right {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-sphere {
  width: 100%;
  max-width: 360px;
  height: auto;
}

/* Problem */
.problem {
  padding: 60px 48px;
  background: var(--accent-dark);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 40px;
  align-items: center;
}
.problem-divider {
  width: 1px;
  height: 80px;
  background: rgba(255,255,255,0.15);
}
.problem-stat {
  text-align: center;
}
.stat-number {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 52px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-unit {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
}
.stat-caption {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}

/* Features */
.features {
  padding: 96px 48px;
  background: var(--bg-alt);
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.section-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(32px, 3.5vw, 48px);
  color: var(--accent-dark);
  line-height: 1.15;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
}
.feature-icon {
  margin-bottom: 24px;
}
.feature-card h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--accent-dark);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 100px 48px;
  background: var(--bg);
}
.closing-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.closing h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(36px, 4vw, 56px);
  color: var(--accent-dark);
  line-height: 1.1;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.closing p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 660px;
  margin: 0 auto;
}

/* Footer */
.footer {
  padding: 32px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: var(--accent-dark);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { order: -1; }
  .hero-sphere { max-width: 200px; }
  .problem-inner { grid-template-columns: 1fr; gap: 32px; }
  .problem-divider { display: none; }
  .problem-stat { text-align: left; }
  .features { padding: 64px 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .closing { padding: 64px 24px; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}