/* ═══════════════════════════════════════════════════════════
   ALTHEA LUXURY CONCIERGE — Site Vitrine
   Design System v1.0
   ═══════════════════════════════════════════════════════════ */

:root {
  --navy:       #1A1A2E;
  --navy-mid:   #16213E;
  --navy-dark:  #0D1117;
  --gold:       #C4A265;
  --gold-light: #D4B87A;
  --gold-dark:  #9A7B3E;
  --white:      #FFFFFF;
  --off-white:  #F8F6F1;
  --gray-100:   #F4F4F4;
  --gray-300:   #D4D4D4;
  --gray-500:   #9CA3AF;
  --gray-700:   #4B5563;
  --gray-900:   #1F2937;
  --green:      #2ECC71;

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 6px;
  --radius:    14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,.06);
  --shadow:    0 8px 40px rgba(0,0,0,.10);
  --shadow-lg: 0 20px 80px rgba(0,0,0,.18);
  --transition: all .35s cubic-bezier(.4,0,.2,1);
  --nav-h: 64px;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; zoom: 1.25; overflow-x: hidden; }
body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }

/* ─── Typography ──────────────────────────────────────────── */
.serif    { font-family: var(--font-serif); }
h1,h2,h3 { font-family: var(--font-serif); line-height: 1.15; }

.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--navy);
}
.section-title.light { color: var(--white); }

.section-sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--gray-700);
  max-width: 600px;
}
.section-sub.light { color: rgba(255,255,255,.72); }

/* ─── Layout ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 768px) { .container { padding: 0 20px; } }

.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }
@media (max-width: 768px) { .section { padding: 72px 0; } }

/* ─── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(13, 17, 23, .96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.nav .container { height: 100%; }
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 38px; height: 38px;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--white);
}
.nav-logo-sub {
  font-size: 9px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gold);
  opacity: .8;
  display: block;
  margin-top: -2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .5px;
  color: rgba(255,255,255,.75);
  transition: var(--transition);
  position: relative;
  padding-bottom: 3px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.nav-cta {
  padding: 10px 22px;
  background: var(--gold);
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  border-radius: 4px;
  transition: var(--transition);
}
.nav-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(196,162,101,.35);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--navy-dark);
  padding: 24px 20px;
  z-index: 999;
  border-top: 1px solid rgba(255,255,255,.06);
}
.mobile-nav.open { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  color: rgba(255,255,255,.8);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-nav a:hover { background: rgba(255,255,255,.06); color: var(--white); }
.mobile-nav-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-actions .nav-cta { display: none; }
  .hamburger { display: flex; }
  .lux-hero-actions { display: none; }
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  border-radius: 4px;
  transition: var(--transition);
  cursor: pointer;
}
.btn-gold {
  background: var(--gold);
  color: var(--navy);
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(196,162,101,.35);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.4);
}
.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.08);
}
.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
}
.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--navy);
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover {
  background: var(--navy-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26,26,46,.25);
}
.btn-lg { padding: 18px 42px; font-size: 15px; }
.btn-sm { padding: 10px 22px; font-size: 13px; }

/* ─── Gold Divider ─────────────────────────────────────────── */
.gold-line {
  width: 56px; height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-light));
  border-radius: 2px;
  margin: 20px 0;
}
.gold-line.center { margin: 20px auto; }

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,.06);
  transition: var(--transition);
  overflow: hidden;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

/* ─── Stat Badge ───────────────────────────────────────────── */
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .5px;
  color: var(--gray-500);
  text-transform: uppercase;
  margin-top: 6px;
}

/* ─── Tag ──────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(196,162,101,.12);
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  border-radius: 30px;
  border: 1px solid rgba(196,162,101,.25);
}
.tag.green {
  background: rgba(46,204,113,.1);
  color: #1a8a4a;
  border-color: rgba(46,204,113,.25);
}

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--navy-dark);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.5);
  margin-bottom: 10px;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(255,255,255,.3);
}
.footer-electric {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(46,204,113,.7);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}

/* ─── Reveal Animations ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .5s; }

/* ─── Hero shared ──────────────────────────────────────────── */
.page-hero {
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(160deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-mid) 100%);
  padding-top: var(--nav-h);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='1' cy='1' r='1' fill='rgba(196,162,101,.06)'/%3E%3C/svg%3E");
}
.page-hero-content { position: relative; z-index: 1; }

/* ─── Page active nav link ─────────────────────────────────── */
[data-page="home"]     nav a[href="index.html"],
[data-page="services"] nav a[href="services.html"],
[data-page="hotels"]   nav a[href="hotels.html"],
[data-page="about"]    nav a[href="about.html"],
[data-page="contact"]  nav a[href="contact.html"] {
  color: var(--white) !important;
}
[data-page="home"]     nav a[href="index.html"]::after,
[data-page="services"] nav a[href="services.html"]::after,
[data-page="hotels"]   nav a[href="hotels.html"]::after,
[data-page="about"]    nav a[href="about.html"]::after,
[data-page="contact"]  nav a[href="contact.html"]::after {
  width: 100%;
}

/* ─── Cookie / RGPD banner ─────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy-dark);
  border: 1px solid rgba(196,162,101,.2);
  border-radius: var(--radius);
  padding: 16px 24px;
  max-width: 560px;
  width: calc(100% - 40px);
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.cookie-banner.hidden { opacity: 0; pointer-events: none; transform: translateX(-50%) translateY(20px); }
.cookie-banner p { font-size: 13px; color: rgba(255,255,255,.65); line-height: 1.5; flex: 1; }
.cookie-banner button { white-space: nowrap; }