/* Fonts */
:root {
  --slate: #1B2A4A;
  --slate-mid: #2E4066;
  --amber: #D4882A;
  --amber-light: #F0A854;
  --cream: #F7F5F0;
  --cream-dark: #EDEBE4;
  --ink: #0F1A2E;
  --muted: #6B7A99;
  --border: #D8D4CA;
}

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

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

/* Nav */
.nav {
  background: var(--slate);
  padding: 16px 40px;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Bitter', serif;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  text-decoration: none;
}
.nav-tagline {
  font-size: 13px;
  color: var(--amber-light);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-link-active { color: var(--amber-light) !important; font-weight: 600; }

/* Hero */
.hero {
  background: var(--slate);
  color: #fff;
  padding: 80px 40px 100px;
  position: relative;
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 50%;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 20px,
      rgba(255,255,255,0.03) 20px,
      rgba(255,255,255,0.03) 21px
    );
  pointer-events: none;
}
.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-overline {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--amber-light);
  margin-bottom: 20px;
  font-weight: 500;
}
.hero-headline {
  font-family: 'Bitter', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  color: #fff;
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
  max-width: 480px;
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid var(--amber);
  padding-left: 40px;
}
.hero-stat {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.hero-stat:last-child { border-bottom: none; }
.hero-stat-value {
  display: block;
  font-family: 'Bitter', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--amber-light);
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

/* Section base */
.section-overline {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--amber);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Bitter', serif;
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--slate);
  margin-bottom: 48px;
}

/* Model */
.model { padding: 100px 40px; background: var(--cream); }
.model-inner { max-width: 1100px; margin: 0 auto; }
.model-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.model-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px;
  border-top: 3px solid var(--amber);
}
.model-icon {
  color: var(--amber);
  margin-bottom: 16px;
}
.model-card h3 {
  font-family: 'Bitter', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 10px;
}
.model-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

/* Difference */
.difference { padding: 100px 40px; background: var(--cream-dark); }
.difference-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.diff-body {
  font-size: 16px;
  color: var(--slate-mid);
  line-height: 1.75;
  margin-bottom: 20px;
}
.diff-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.tag {
  background: var(--amber);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}
.diff-number-block {
  background: var(--slate);
  border-radius: 12px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.diff-number {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.diff-number:last-child { border-bottom: none; }
.diff-number-val {
  display: block;
  font-family: 'Bitter', serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--amber-light);
  line-height: 1;
  margin-bottom: 6px;
}
.diff-number-label {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.4;
}

/* Mission */
.mission {
  padding: 100px 40px;
  background: var(--slate);
  color: #fff;
}
.mission-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.mission-quote blockquote {
  font-family: 'Bitter', serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  font-style: normal;
  border-left: 4px solid var(--amber);
  padding-left: 28px;
}
.mission-attribution {
  margin-top: 16px;
  padding-left: 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.mission-body p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  line-height: 1.75;
  margin-bottom: 20px;
}
.mission-body p:last-child { margin-bottom: 0; }

/* Closing */
.closing {
  padding: 100px 40px;
  background: var(--cream);
  text-align: center;
}
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-headline {
  font-family: 'Bitter', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--slate);
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--slate);
  color: #fff;
  padding: 48px 40px;
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-logo {
  font-family: 'Bitter', serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer-address {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}
.footer-note {
  font-size: 14px;
  color: rgba(255,255,255,0.35);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content,
  .difference-inner,
  .mission-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero { padding: 60px 24px 80px; }
  .hero-right { border-left: none; padding-left: 0; border-top: 2px solid var(--amber); padding-top: 32px; }
  .model-grid { grid-template-columns: 1fr; }
  .model { padding: 60px 24px; }
  .difference { padding: 60px 24px; }
  .mission { padding: 60px 24px; }
  .closing { padding: 60px 24px; }
  .nav { padding: 14px 24px; }
  .diff-number-block { margin-top: 0; }
}