/* ============================================
   VITESSE PRIVÉ — Shared Stylesheet
   ============================================ */

:root {
  --ink: #0B0B0C;
  --ink-soft: #131316;
  --ink-deep: #050506;
  --ink-line: #1F1F22;
  --ivory: #ECE7DC;
  --ivory-soft: #B9B3A6;
  --ivory-dim: #6E6A60;
  --brass: #B08A4A;
  --brass-soft: #8A6C39;
  --serif: 'Cormorant Garamond', 'Garamond', 'Times New Roman', serif;
  --sans: 'Manrope', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ===== NAVIGATION ===== */
nav.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 28px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.4s ease, padding 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
nav.site-nav.scrolled,
nav.site-nav.inner {
  background: rgba(11, 11, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 18px 48px;
  border-bottom-color: var(--ink-line);
}
.wordmark {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.3em;
  font-weight: 400;
  color: var(--ivory);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.wordmark sup {
  font-size: 10px;
  letter-spacing: 0;
  vertical-align: super;
  margin-left: 2px;
  color: var(--brass);
}
.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--ivory-soft);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--brass); }
.nav-cta {
  border: 1px solid var(--ivory-dim);
  padding: 10px 22px;
  color: var(--ivory) !important;
  transition: all 0.3s !important;
}
.nav-cta:hover {
  background: var(--ivory);
  color: var(--ink) !important;
  border-color: var(--ivory);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ivory);
  font-size: 22px;
  cursor: pointer;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 0.4s ease;
  cursor: pointer;
  border: none;
  font-family: var(--sans);
}
.btn-primary { background: var(--ivory); color: var(--ink); }
.btn-primary:hover { background: var(--brass); color: var(--ink); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ivory); border: 1px solid var(--ink-line); }
.btn-ghost:hover { border-color: var(--brass); color: var(--brass); }
.btn .arrow { display: inline-block; transition: transform 0.3s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ===== SHARED LAYOUT ===== */
.container { max-width: 1400px; margin: 0 auto; }

section { padding: 120px 48px; position: relative; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 32px;
}
.section-label::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--brass);
}
.section-label .num {
  color: var(--ivory-dim);
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: none;
}
h2.section-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin-bottom: 24px;
  max-width: 14ch;
}
h2.section-title em { font-style: italic; color: var(--brass); }

/* ===== PAGE HEADER (sub-pages) ===== */
.page-header {
  padding: 200px 48px 100px;
  border-bottom: 1px solid var(--ink-line);
  background:
    radial-gradient(ellipse at 70% 30%, rgba(176, 138, 74, 0.08) 0%, transparent 60%),
    var(--ink);
}
.page-header .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
}
.page-header h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(56px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.page-header h1 em { font-style: italic; color: var(--brass); }
.page-header .page-intro {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ivory-soft);
  max-width: 50ch;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--ink-line);
  padding: 80px 48px 48px;
  background: var(--ink-deep);
}
.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--ink-line);
}
.footer-brand .wordmark {
  font-size: 18px;
  margin-bottom: 20px;
}
.footer-brand p {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ivory-soft);
  font-size: 16px;
  max-width: 36ch;
}
.footer-col h4 {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: var(--ivory-soft);
  font-size: 13px;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--brass); }
.footer-bottom {
  max-width: 1400px;
  margin: 32px auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ivory-dim);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes rise {
  from { transform: translateY(110%); }
  to { transform: translateY(0); }
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(1.3); opacity: 1; }
}
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  nav.site-nav { padding: 20px 24px; }
  nav.site-nav.scrolled, nav.site-nav.inner { padding: 14px 24px; }
  .nav-links {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 80%; max-width: 360px;
    background: var(--ink);
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    gap: 28px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    border-left: 1px solid var(--ink-line);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: block; z-index: 60; position: relative; }
  section { padding: 96px 24px; }
  .page-header { padding: 140px 24px 72px; }
  .page-header .container { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
