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

:root {
  --cream: #F5F2ED;
  --cream-dark: #EDE7DF;
  --charcoal: #3A3A3A;
  --dark: #2C2C2C;
  --navy: #1B2A3B;
  --gold: #C9A84C;
  --gold-light: #D4B96A;
  --white: #FFFFFF;
  --gray: #7A7A7A;
  --gray-light: #D8D2CA;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--cream);
  color: var(--dark);
  overflow-x: hidden;
}

.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 101;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  padding: 8px 24px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  font-weight: 300;
  white-space: nowrap;
}

.demo-banner span {
  color: #c8f000;
}

.nav {
  position: fixed;
  top: 33px;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(245, 242, 237, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-light);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 60px;
}

.nav-logo {
  font-family: 'Libre Baskerville', serif;
  font-size: 18px;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--charcoal);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gold);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  padding: 0 60px;
}

.hero-content {
  max-width: 720px;
}

.hero-tag {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}

.hero-content h1 {
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-content h1 em {
  font-style: italic;
  color: var(--charcoal);
  font-size: 0.9em;
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  padding: 14px 36px;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: #243B52;
}

.btn-ghost {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--navy);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--gold);
  border-color: var(--gold);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.section-tag {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}

.presentation {
  padding: 120px 0;
  background: var(--white);
}

.presentation-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}

.presentation-text h2 {
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 24px;
}

.presentation-text p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray);
  font-weight: 300;
  margin-bottom: 20px;
}

.info-card {
  background: var(--cream);
  border: 1px solid var(--gray-light);
}

.info-card-item {
  padding: 20px 28px;
  border-bottom: 1px solid var(--gray-light);
}

.info-card-item:last-child {
  border-bottom: none;
}

.info-label {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.info-card-item span:last-child {
  font-size: 14px;
  color: var(--charcoal);
  font-weight: 300;
}

.domaines {
  padding: 120px 0;
  background: var(--cream);
}

.section-header {
  margin-bottom: 60px;
}

.section-header h2 {
  font-family: 'Libre Baskerville', serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.2;
}

.domaines-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--gray-light);
}

.domaine-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 32px;
  background: var(--cream);
  padding: 36px 40px;
  align-items: start;
}

.domaine-num {
  font-family: 'Libre Baskerville', serif;
  font-size: 28px;
  color: var(--gold);
  font-weight: 400;
}

.domaine-item h3 {
  font-family: 'Libre Baskerville', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 8px;
}

.domaine-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  font-weight: 300;
}

.footer {
  background: var(--navy);
  padding: 80px 60px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-cols {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  font-weight: 300;
  margin-bottom: 4px;
}

.footer-logo {
  font-family: 'Libre Baskerville', serif;
  font-size: 18px;
  color: var(--white) !important;
  margin-bottom: 16px !important;
}

.footer-cta h3 {
  font-family: 'Libre Baskerville', serif;
  font-size: 20px;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 16px;
}

.footer .btn-primary {
  background: var(--gold);
  color: var(--navy);
}

.footer .btn-primary:hover {
  background: var(--gold-light);
}

.footer-legal {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 1024px) {
  .presentation-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 16px 24px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 0 24px;
  }

  .section-inner {
    padding: 0 24px;
  }

  .presentation,
  .domaines {
    padding: 80px 0;
  }

  .domaine-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 24px;
  }

  .footer {
    padding: 60px 24px;
  }

  .footer-cols {
    flex-direction: column;
  }
}