:root {
  --bg: #0d0b08;
  --bg-soft: #16130d;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.10);
  --border: rgba(255, 255, 255, 0.14);
  --gold: #d4af37;
  --gold-light: #e9c767;
  --text: #f5f0e6;
  --text-muted: #b9ad95;
  --serif: "Georgia", "Times New Roman", serif;
  --sans: "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, .serif { font-family: var(--serif); font-weight: 400; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- Barre de navigation transparente ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: background .4s ease, padding .4s ease, box-shadow .4s ease;
}
.nav.scrolled {
  background: rgba(13, 11, 8, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 12px 0;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.nav-inner {
  width: min(1180px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  gap: 34px;
  align-items: center;
  list-style: none;
}
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .35s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--gold); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none; border: none;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--gold);
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 120px 20px 80px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,11,8,0.55) 0%, rgba(13,11,8,0.65) 60%, var(--bg) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero .eyebrow {
  font-size: 0.8rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.1;
  margin-bottom: 24px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.hero p {
  font-size: 1.15rem;
  color: #e8dfcd;
  max-width: 540px;
  margin: 0 auto 34px;
}
.btn {
  display: inline-block;
  padding: 15px 38px;
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all .35s ease;
  cursor: pointer;
  border: none;
}
.btn-gold {
  background: var(--gold);
  color: #14100a;
  font-weight: 700;
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(212,175,55,0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-3px);
}

/* ---------- Sections ---------- */
.section { padding: 110px 0; }
.section-head { text-align: center; margin-bottom: 60px; }
.section-head .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}
.section-head .rule {
  width: 60px; height: 2px;
  background: var(--gold);
  margin: 0 auto;
}

/* ---------- Glassmorphism cards ---------- */
.glass {
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 14px;
}

/* ---------- Services / cartes 3D ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 44px 34px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .45s ease, border-color .45s ease;
  transform-style: preserve-3d;
  perspective: 900px;
}
.service-card:hover {
  transform: translateY(-12px) rotateX(4deg) rotateY(-3deg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(212,175,55,0.4);
  border-color: rgba(212,175,55,0.5);
}
.service-icon {
  width: 70px; height: 70px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(212,175,55,0.12);
  border: 1px solid rgba(212,175,55,0.35);
  color: var(--gold);
  transition: transform .45s ease;
}
.service-card:hover .service-icon { transform: translateZ(30px) scale(1.08); }
.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
  color: var(--gold-light);
}
.service-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ---------- Galerie ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.gallery-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(13,11,8,0.75));
  opacity: 0; transition: opacity .4s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover::after { opacity: 1; }
.gallery-item .cap {
  position: absolute;
  bottom: 16px; left: 18px;
  z-index: 2;
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 1px;
  opacity: 0;
  transform: translateY(10px);
  transition: all .4s ease;
}
.gallery-item:hover .cap { opacity: 1; transform: translateY(0); }

/* ---------- Témoignages ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.testimonial-card {
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 30px;
  transition: transform .4s ease, box-shadow .4s ease;
}
.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 50px rgba(0,0,0,0.45);
}
.testimonial-card .quote {
  font-size: 1.1rem;
  font-style: italic;
  color: #e6dcc6;
  margin-bottom: 22px;
}
.testimonial-card .stars { color: var(--gold); letter-spacing: 3px; margin-bottom: 14px; font-size: 0.95rem; }
.testimonial-card .author { color: var(--gold-light); font-family: var(--serif); font-size: 1.05rem; }
.testimonial-card .role { color: var(--text-muted); font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- CTA ---------- */
.cta {
  background-size: cover;
  background-position: center;
  position: relative;
  text-align: center;
  padding: 120px 20px;
}
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(13,11,8,0.78);
}
.cta-inner { position: relative; z-index: 2; }
.cta h2 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 18px; }
.cta p { color: var(--text-muted); max-width: 480px; margin: 0 auto 30px; }

/* ---------- Formulaire ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info .info-block {
  margin-bottom: 26px;
}
.contact-info .info-block .label {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.contact-info .info-block .value { font-size: 1.05rem; color: var(--text); }

.form-card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--sans);
  transition: border-color .3s ease, background .3s ease;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255,255,255,0.08);
}
.form-group textarea { min-height: 130px; resize: vertical; }

/* ---------- Page hero interne ---------- */
.page-hero {
  position: relative;
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  padding: 140px 20px 80px;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,11,8,0.6), rgba(13,11,8,0.75));
}
.page-hero .page-hero-content { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin-bottom: 14px; }
.page-hero .eyebrow {
  font-size: 0.75rem; letter-spacing: 4px;
  text-transform: uppercase; color: var(--gold); margin-bottom: 18px;
}

/* ---------- Footer ---------- */
.footer {
  background: #0a0805;
  border-top: 1px solid var(--border);
  padding: 70px 0 30px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer .logo { font-size: 1.8rem; margin-bottom: 16px; display: inline-block; }
.footer p { color: var(--text-muted); font-size: 0.9rem; max-width: 300px; }
.footer h4 {
  font-family: var(--serif);
  color: var(--gold-light);
  font-size: 1rem;
  margin-bottom: 18px;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: var(--text-muted); font-size: 0.9rem; transition: color .3s ease; }
.footer ul a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-fallback {
  animation: revealFallback .8s ease .3s forwards;
}
@keyframes revealFallback {
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Message de confirmation formulaire ---------- */
.form-success {
  display: none;
  background: rgba(60, 160, 90, 0.15);
  border: 1px solid rgba(60, 160, 90, 0.5);
  color: #a8e6c0;
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 22px;
  font-size: 0.95rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 78%; height: 100vh;
    background: rgba(13,11,8,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right .4s ease;
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; z-index: 1100; }
  .services-grid, .testimonial-grid, .gallery-grid { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero { background-attachment: scroll; }
  .section { padding: 70px 0; }
}