/* CSS Variables */
:root {
  --cream: #FAF6F0;
  --cream-dark: #F0EBE3;
  --terracotta: #C8541A;
  --terracotta-light: #E06A30;
  --forest: #2A3D2E;
  --forest-mid: #3D5240;
  --ink: #1A1714;
  --ink-mid: #3D3830;
  --ink-light: #6B6058;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(26,23,20,0.08), 0 1px 2px rgba(26,23,20,0.06);
  --shadow-md: 0 4px 16px rgba(26,23,20,0.1), 0 2px 6px rgba(26,23,20,0.06);
  --shadow-lg: 0 12px 40px rgba(26,23,20,0.12), 0 4px 12px rgba(26,23,20,0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; line-height: 1.2; }
a { color: inherit; text-decoration: none; }

/* Nav */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--cream-dark);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}
.nav-logo {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-headline {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-mid);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-stat-row {
  display: flex;
  gap: 40px;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stat-number {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2rem;
  color: var(--terracotta);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--ink-light);
  line-height: 1.4;
  max-width: 160px;
}
.hero-visual {
  display: flex;
  justify-content: center;
}
.hero-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--cream-dark);
  width: 100%;
  max-width: 340px;
}
.hero-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 20px;
}
.hero-card-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-card-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-card-icon {
  width: 32px;
  height: 32px;
  background: var(--cream);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terracotta);
  flex-shrink: 0;
}
.hero-card-metric {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.1rem;
  color: var(--ink);
}
.hero-card-desc {
  font-size: 0.75rem;
  color: var(--ink-light);
}
.hero-card-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.topic-chip {
  background: var(--forest);
  color: var(--white);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 100px;
  font-weight: 500;
}

/* Problem */
.problem {
  padding: 80px 0;
  background: var(--cream-dark);
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}
.problem-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 20px;
}
.problem-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--ink);
  margin-bottom: 60px;
  max-width: 680px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.problem-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.problem-icon {
  width: 48px;
  height: 48px;
  background: var(--cream);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--terracotta);
  margin-bottom: 20px;
}
.problem-item-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 12px;
}
.problem-item-desc {
  font-size: 0.9rem;
  color: var(--ink-light);
  line-height: 1.6;
}

/* Solution */
.solution {
  padding: 80px 0;
}
.solution-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}
.solution-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 20px;
}
.solution-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--ink);
  margin-bottom: 20px;
  max-width: 680px;
}
.solution-body {
  font-size: 1rem;
  color: var(--ink-mid);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 60px;
}
.solution-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--cream-dark);
}
.solution-card-num {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2.5rem;
  color: var(--terracotta);
  opacity: 0.3;
  margin-bottom: 16px;
}
.solution-card-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.2rem;
  color: var(--ink);
  margin-bottom: 12px;
}
.solution-card-desc {
  font-size: 0.88rem;
  color: var(--ink-light);
  line-height: 1.6;
}

/* How */
.how {
  padding: 80px 0;
  background: var(--forest);
  color: var(--white);
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}
.how-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta-light);
  margin-bottom: 40px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.how-step {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.how-step:last-child {
  border-bottom: none;
}
.how-step-num {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 2.5rem;
  color: var(--terracotta-light);
  min-width: 60px;
  line-height: 1;
}
.how-step-content {
  padding-top: 4px;
}
.how-step-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 8px;
}
.how-step-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  max-width: 480px;
}

/* Closing */
.closing {
  padding: 100px 0;
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.closing-headline {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.closing-body {
  font-size: 1.1rem;
  color: var(--ink-mid);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto;
}

/* Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--cream-dark);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.footer-brand {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.25rem;
  color: var(--ink);
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--ink-light);
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--ink-light);
  margin-top: 8px;
}

/* Mobile */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-text {
    order: 2;
  }
  .hero-visual {
    order: 1;
  }
  .hero-stat-row {
    flex-direction: column;
    gap: 20px;
  }
  .hero-stat-label {
    max-width: 100%;
  }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .solution-cards {
    grid-template-columns: 1fr;
  }
  .how-step {
    gap: 20px;
  }
  .how-step-num {
    font-size: 2rem;
    min-width: 40px;
  }
  .nav-inner, .hero-inner, .problem-inner, .solution-inner, .how-inner, .closing-inner, .footer-inner {
    padding: 0 24px;
  }
  .hero, .problem, .solution, .how, .closing {
    padding: 60px 0;
  }
}