:root {
  --bg: #FAF8F5;
  --sage: #2D4A3E;
  --sage-light: #3D6453;
  --sage-mid: #4A7A63;
  --terracotta: #C4714A;
  --charcoal: #2A2A28;
  --warm-grey: #8C8884;
  --border: rgba(45, 74, 62, 0.12);
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* =====================
   HERO
   ===================== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  overflow: hidden;
}

.hero-left {
  background: var(--sage);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  gap: 32px;
  position: relative;
}

.hero-eyebrow {
  position: absolute;
  top: 32px;
  left: 40px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  font-weight: 500;
}

.product-illustration {
  width: 100%;
  max-width: 300px;
}

.product-illustration svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 24px 48px rgba(45,74,62,0.35));
}

.hero-spec-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.pill {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 100px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px 80px 72px;
  max-width: 580px;
}

.hero-headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--sage);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 17px;
  color: #6B6560;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 460px;
}

.hero-tagline {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 32px;
  color: var(--sage);
}

.tagline-accent {
  color: var(--terracotta);
  font-style: italic;
}

/* =====================
   PROBLEM
   ===================== */
.problem {
  background: var(--charcoal);
  padding: 100px 64px;
}

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

.problem-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 600;
  margin-bottom: 24px;
}

.problem-headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(26px, 3vw, 42px);
  color: #F5F3EE;
  line-height: 1.2;
  max-width: 720px;
  margin-bottom: 64px;
  font-weight: 400;
}

.problem-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.stat {
  flex: 1;
  padding: 0 40px;
}

.stat-num {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 52px;
  color: var(--terracotta);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

.stat-divider {
  width: 1px;
  height: 80px;
  background: rgba(255,255,255,0.12);
}

/* =====================
   FEATURES
   ===================== */
.features {
  padding: 100px 64px;
  background: var(--bg);
}

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

.features-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm-grey);
  font-weight: 600;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-icon {
  width: 48px;
  height: 48px;
}

.feature-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 22px;
  color: var(--sage);
  font-weight: 400;
  line-height: 1.3;
}

.feature-body {
  font-size: 15px;
  color: #6B6560;
  line-height: 1.65;
}

/* =====================
   MATERIALS
   ===================== */
.materials {
  padding: 100px 64px;
  background: #F2EDE6;
  border-top: 1px solid var(--border);
}

.materials-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.materials-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm-grey);
  font-weight: 600;
  margin-bottom: 20px;
}

.materials-headline {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(24px, 2.5vw, 36px);
  color: var(--sage);
  line-height: 1.2;
  margin-bottom: 40px;
  font-weight: 400;
}

.materials-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.material-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.material-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.material-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--charcoal);
  margin-bottom: 4px;
}

.material-desc {
  font-size: 14px;
  color: #7A7570;
  line-height: 1.55;
}

.mat-card {
  background: var(--sage);
  border-radius: 16px;
  padding: 40px;
  color: white;
  position: relative;
}

.mat-badge {
  display: inline-block;
  background: var(--terracotta);
  color: white;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.mat-product-name {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 28px;
  margin-bottom: 6px;
  font-weight: 400;
}

.mat-meta {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 28px;
}

.mat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mat-tags span {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 6px;
}

/* =====================
   CLOSING
   ===================== */
.closing {
  padding: 120px 64px;
  background: var(--bg);
}

.closing-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.closing-rule {
  width: 48px;
  height: 3px;
  background: var(--terracotta);
  margin: 0 auto 56px;
  border-radius: 2px;
}

.closing-statement {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: clamp(28px, 3.5vw, 48px);
  color: var(--sage);
  line-height: 1.2;
  font-weight: 400;
  margin-bottom: 28px;
}

.closing-statement em {
  color: var(--terracotta);
  font-style: italic;
}

.closing-sub {
  font-size: 17px;
  color: #8C8884;
  line-height: 1.65;
}

.closing-cta {
  display: inline-block;
  margin-top: 40px;
  background: var(--sage);
  color: white;
  text-decoration: none;
  padding: 16px 36px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  transition: background 0.2s;
}

.closing-cta:hover {
  background: var(--sage-light);
}

/* =====================
   FOOTER
   ===================== */
.site-footer {
  background: var(--charcoal);
  padding: 48px 64px;
}

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

.footer-brand {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 22px;
  color: #F5F3EE;
  font-weight: 400;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-left {
    padding: 60px 32px 48px;
  }

  .hero-right {
    padding: 48px 32px 64px;
  }

  .hero-tagline {
    font-size: 26px;
  }

  .problem {
    padding: 64px 32px;
  }

  .problem-stats {
    flex-direction: column;
    gap: 40px;
  }

  .stat {
    padding: 0;
  }

  .stat-divider {
    display: none;
  }

  .features {
    padding: 64px 32px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .materials {
    padding: 64px 32px;
  }

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

  .closing {
    padding: 80px 32px;
  }

  .site-footer {
    padding: 40px 32px;
  }

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

@media (max-width: 480px) {
  .hero-headline {
    font-size: 26px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .stat-num {
    font-size: 40px;
  }
}