/* ==========================================================================
   ELITE GROUP — Design system « Liquid Glass »
   Charte graphique : Or élégant #D4AF37 · Noir profond #0D0D0D · Gris structure #4A4A4A
                      Gris clair #E5E5E5 · Blanc #FFFFFF
   Typographie : Montserrat (titres & identité) + Lato (texte courant)
   Direction : verre liquide (translucidité, flou, reflets spéculaires) + profondeur 3D.
   ========================================================================== */

:root {
  /* --- Charte --- */
  --gold: #D4AF37;
  --gold-light: #F1DA85;
  --gold-deep: #9A7B1C;
  --black: #0D0D0D;
  --graphite: #4A4A4A;
  --gray-light: #E5E5E5;
  --white: #FFFFFF;

  /* --- Alias (compatibilité templates / admin) --- */
  --brown: var(--gold-deep);
  --brown-dark: #6E560F;
  --brown-light: var(--gold);
  --gray-mid: #DAD8D2;
  --line: rgba(13, 13, 13, 0.10);
  --ink-soft: #55534E;
  --paper: #F3F1EC;

  --font-display: 'Montserrat', 'Segoe UI', sans-serif;
  --font-body: 'Lato', 'Segoe UI', sans-serif;

  --fs-hero: clamp(2.3rem, 2.6vw + 1.5rem, 4.1rem);
  --fs-h1: clamp(2.1rem, 1.7vw + 1.6rem, 3.2rem);
  --fs-h2: clamp(1.6rem, 1vw + 1.3rem, 2.2rem);
  --fs-h3: 1.2rem;
  --fs-lead: clamp(1.05rem, 0.4vw + 1rem, 1.22rem);

  --radius-sm: 12px;
  --radius-md: 22px;
  --radius-lg: 30px;
  --container-w: 1180px;
  --transition: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Liquid glass --- */
  --glass-light-bg: linear-gradient(140deg, rgba(255,255,255,0.72) 0%, rgba(255,255,255,0.34) 55%, rgba(255,255,255,0.5) 100%);
  --glass-dark-bg: linear-gradient(140deg, rgba(255,255,255,0.13) 0%, rgba(255,255,255,0.04) 55%, rgba(212,175,55,0.08) 100%);
  --glass-blur: blur(26px) saturate(180%);
  --glass-shadow-light: inset 0 1px 0 rgba(255,255,255,0.95), inset 0 -1px 0 rgba(255,255,255,0.25), 0 18px 50px -12px rgba(13,13,13,0.18), 0 2px 8px rgba(13,13,13,0.05);
  --glass-shadow-dark: inset 0 1px 0 rgba(255,255,255,0.22), inset 0 -1px 0 rgba(255,255,255,0.04), 0 24px 60px -16px rgba(0,0,0,0.65);
  --gold-gradient: linear-gradient(135deg, #F6E29A 0%, #D4AF37 45%, #9A7B1C 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
  overflow-x: hidden;
}
/* Halos d'ambiance fixes : ce sont eux que le verre vient flouter */
body::before, body::after {
  content: ""; position: fixed; z-index: -1; pointer-events: none; border-radius: 50%; filter: blur(70px);
  will-change: transform;
}
body::before {
  width: 62vmax; height: 62vmax; top: -22vmax; right: -18vmax;
  background: radial-gradient(circle, rgba(212,175,55,0.34) 0%, rgba(212,175,55,0) 68%);
  animation: orb-float 22s ease-in-out infinite alternate;
}
body::after {
  width: 55vmax; height: 55vmax; bottom: -24vmax; left: -20vmax;
  background: radial-gradient(circle, rgba(74,74,74,0.28) 0%, rgba(74,74,74,0) 68%);
  animation: orb-float 28s ease-in-out infinite alternate-reverse;
}
@keyframes orb-float {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-6vmax, 5vmax, 0) scale(1.12); }
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}
p { margin: 0 0 1em; color: var(--ink-soft); }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 28px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--black); color: var(--white);
  padding: 12px 20px; z-index: 999; border-radius: var(--radius-sm);
}
.skip-link:focus { left: 16px; top: 16px; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
::selection { background: var(--gold); color: var(--black); }

/* ==========================================================================
   Verre liquide — brique de base
   ========================================================================== */
.glass,
.service-card, .project-card, .team-card, .testimonial-card, .contact-info-card,
.stat-item, .filter-chip, .flash {
  position: relative;
  background: var(--glass-light-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow-light);
  border: 1px solid rgba(255,255,255,0.55);
}
/* Bord spéculaire : reflet blanc en haut à gauche, liseré or en bas à droite */
.glass::before,
.service-card::before, .project-card::before, .team-card::before, .testimonial-card::before,
.contact-info-card::before, .stat-item::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.2px; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 38%, rgba(255,255,255,0) 62%, rgba(212,175,55,0.65) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
/* Reflet mobile qui suit le curseur (voir main.js -> tilt) */
.glass::after,
.service-card::after, .project-card::after, .team-card::after, .testimonial-card::after,
.contact-info-card::after, .stat-item::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,0.55), rgba(255,255,255,0) 55%);
  transition: opacity var(--transition); mix-blend-mode: soft-light;
}
.is-tilting::after { opacity: 1 !important; }

.service-card, .project-card, .team-card, .testimonial-card, .contact-info-card, .stat-item { border-radius: var(--radius-md); }

/* Contexte sombre : le verre devient fumé */
.section-dark .glass, .section-dark .stat-item, .page-header .glass, .hero .glass, .section-dark .service-card {
  background: var(--glass-dark-bg); border-color: rgba(255,255,255,0.14); box-shadow: var(--glass-shadow-dark);
}
.section-dark .glass::before, .section-dark .stat-item::before, .hero .glass::before {
  background: linear-gradient(135deg, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0) 35%, rgba(255,255,255,0) 60%, rgba(212,175,55,0.8) 100%);
}

/* ---------- Boutons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 15px 32px; border-radius: 999px;
  border: 1.5px solid transparent; transition: var(--transition);
  white-space: nowrap; overflow: hidden; isolation: isolate;
  transform: translateZ(0);
}
.btn::after { /* reflet qui traverse le bouton */
  content: ""; position: absolute; top: 0; bottom: 0; left: -80%; width: 55%; z-index: -1;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg); transition: left 0.8s cubic-bezier(0.16,1,0.3,1);
}
.btn:hover::after { left: 130%; }
.btn-primary {
  background: var(--gold-gradient); color: var(--black); border-color: rgba(255,255,255,0.45);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 10px 26px -8px rgba(212,175,55,0.75), 0 2px 0 var(--gold-deep);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 18px 34px -10px rgba(212,175,55,0.9), 0 4px 0 var(--gold-deep); }
.btn-primary:active { transform: translateY(1px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 4px 10px -4px rgba(212,175,55,0.7), 0 0 0 var(--gold-deep); }
.btn-outline {
  background: rgba(255,255,255,0.35); color: var(--black); border-color: rgba(13,13,13,0.7);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.btn-outline:hover { background: var(--black); color: var(--gold-light); border-color: var(--black); transform: translateY(-3px); box-shadow: 0 16px 30px -12px rgba(13,13,13,0.55); }
.btn-outline-light {
  background: rgba(255,255,255,0.08); color: var(--white); border-color: rgba(255,255,255,0.4);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.btn-outline-light:hover { background: rgba(212,175,55,0.18); color: var(--gold-light); border-color: var(--gold); transform: translateY(-3px); }
.btn-sm { padding: 10px 20px; font-size: 0.74rem; }
.btn-danger { background: transparent; color: #A33; border-color: #C77; }
.btn-danger:hover { background: #A33; color: var(--white); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Navbar : capsule de verre flottante ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0; transition: var(--transition); pointer-events: none;
}
.navbar > .container { pointer-events: auto; }
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 10px 14px 10px 22px; border-radius: 999px;
  background: linear-gradient(140deg, rgba(20,20,20,0.62), rgba(13,13,13,0.42));
  -webkit-backdrop-filter: blur(24px) saturate(190%); backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25), 0 18px 40px -14px rgba(0,0,0,0.6);
  transition: var(--transition);
}
.navbar.is-scrolled { padding: 10px 0; }
.navbar.is-scrolled .navbar-inner { background: linear-gradient(140deg, rgba(16,16,16,0.82), rgba(13,13,13,0.7)); }

.logo { display: flex; align-items: center; gap: 12px; color: var(--white); }
.logo-mark { height: 40px; width: auto; flex-shrink: 0; filter: drop-shadow(0 4px 10px rgba(212,175,55,0.35)); transition: transform var(--transition); }
.logo:hover .logo-mark { transform: rotateY(360deg) scale(1.05); }
.logo-lockup { display: flex; flex-direction: column; line-height: 1; }
.logo-text {
  font-family: var(--font-display); font-weight: 800; letter-spacing: 0.22em;
  font-size: 1rem; text-transform: uppercase;
}
.logo-text-thin { font-weight: 400; margin-left: 0.4em; }
.logo-sub {
  display: flex; align-items: center; gap: 8px; margin-top: 6px;
  font-family: var(--font-display); font-size: 0.56rem; letter-spacing: 0.5em; color: var(--gold); font-weight: 600;
}
.logo-sub::before, .logo-sub::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.logo-sub::after { background: linear-gradient(270deg, transparent, var(--gold)); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-family: var(--font-display); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.86); position: relative; padding: 4px 0; transition: color var(--transition);
}
.nav-links a:hover { color: var(--gold-light); }
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 50%; bottom: -6px; width: 0; height: 2px; border-radius: 2px;
  background: var(--gold); transition: var(--transition); transform: translateX(-50%);
}
.nav-links a:not(.nav-cta):hover::after, .nav-links a.is-active::after { width: 100%; }
.nav-links a.is-active { color: var(--gold-light); }
.nav-cta {
  background: var(--gold-gradient); color: var(--black) !important; padding: 11px 24px !important;
  border-radius: 999px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 8px 20px -8px rgba(212,175,55,0.8);
}
.nav-cta:hover { transform: translateY(-2px); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 10px; z-index: 110;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--white); transition: var(--transition); border-radius: 2px; }

/* ---------- Scène 3D (canvas WebGL) ---------- */
.scene-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 1;
  opacity: 0; transition: opacity 1.4s ease;
}
.scene-canvas.is-ready { opacity: 1; }
.scene-canvas { pointer-events: none; }
.scene-canvas[data-dim="1"].is-ready { opacity: 0.4; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background:
    radial-gradient(120% 90% at 78% 30%, rgba(212,175,55,0.22), rgba(13,13,13,0) 55%),
    radial-gradient(90% 80% at 0% 100%, rgba(74,74,74,0.5), rgba(13,13,13,0) 60%),
    var(--black);
  color: var(--white); overflow: hidden; padding-top: 100px;
  perspective: 1200px;
}
.hero::before { /* grille de plan en perspective au sol */
  content: ""; position: absolute; left: -20%; right: -20%; bottom: -8%; height: 55%; z-index: 0;
  background-image:
    linear-gradient(rgba(212,175,55,0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,175,55,0.22) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: rotateX(68deg); transform-origin: 50% 100%;
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 90%); mask-image: linear-gradient(to top, #000 10%, transparent 90%);
  animation: grid-slide 6s linear infinite;
}
@keyframes grid-slide { to { background-position: 0 64px, 0 0; } }
.hero-inner {
  position: relative; z-index: 2; width: 100%; max-width: var(--container-w); padding-top: 60px; padding-bottom: 90px;
  transform-style: preserve-3d; will-change: transform;
}
.hero-eyebrow {
  display: flex; width: fit-content; align-items: center; gap: 12px; font-family: var(--font-display);
  font-weight: 700; font-size: 0.74rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 26px; padding: 8px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(212,175,55,0.35);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.hero-eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px var(--gold); }
.hero-title, .hero-lead, .hero-actions, .hero-eyebrow { max-width: 660px; }
.hero-title { font-size: var(--fs-hero); color: var(--white); margin-bottom: 24px; font-weight: 800; }
.hero-title em {
  font-style: normal; background: var(--gold-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 6px 22px rgba(212,175,55,0.35));
}
.hero-lead { font-size: var(--fs-lead); color: rgba(255,255,255,0.78); max-width: 500px; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll-cue {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.55); font-family: var(--font-display); font-size: 0.66rem; letter-spacing: 0.3em; z-index: 2;
}
.hero-scroll-cue .line { width: 1px; height: 38px; background: rgba(255,255,255,0.25); overflow: hidden; }
.hero-scroll-cue .line::after {
  content: ""; display: block; width: 100%; height: 14px; background: var(--gold);
  animation: scroll-cue 1.8s ease-in-out infinite;
}
@keyframes scroll-cue { 0% { transform: translateY(-16px);} 100% { transform: translateY(38px);} }

/* ---------- Sections génériques ---------- */
.section { padding: 110px 0; position: relative; }
.section-sm { padding: 80px 0; }
.section-alt { background: linear-gradient(180deg, rgba(13,13,13,0.035), rgba(13,13,13,0.07)); }
.section-dark {
  position: relative; overflow: hidden; color: var(--white);
  background:
    radial-gradient(70% 120% at 85% 0%, rgba(212,175,55,0.2), rgba(13,13,13,0) 60%),
    radial-gradient(60% 100% at 0% 100%, rgba(74,74,74,0.45), rgba(13,13,13,0) 65%),
    var(--black);
}
.section-dark > .container { position: relative; z-index: 2; }
.section-dark p { color: rgba(255,255,255,0.72); }
.section-dark h2 { color: var(--white); }
.section-dark .eyebrow { color: var(--gold); }
.section-dark .eyebrow::before { background: var(--gold); }

.section-head { max-width: 640px; margin-bottom: 60px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px; font-family: var(--font-display);
  font-weight: 700; font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold-deep); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--gold-gradient); border-radius: 2px; }
.section-head.center .eyebrow::before { display: none; }
.section-head h2 { margin-bottom: 14px; }
.section-lead { font-size: var(--fs-lead); color: var(--ink-soft); }

/* ---------- Grilles ---------- */
.grid { display: grid; gap: 30px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-3, .grid-4, .grid-services, .grid-2, .stats-strip, .contact-layout { perspective: 1400px; }

/* ---------- Effet tilt 3D (piloté par main.js) ---------- */
.tilt {
  transform-style: preserve-3d; will-change: transform;
  transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(var(--tz, 0px));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow var(--transition), background var(--transition);
}
.tilt.is-tilting { transition: transform 0.08s linear, box-shadow var(--transition), background var(--transition); }

/* ---------- Cartes services ---------- */
.service-card { padding: 46px 38px; transition: var(--transition); overflow: hidden; }
.service-card:hover { box-shadow: var(--glass-shadow-light), 0 30px 60px -20px rgba(154,123,28,0.45); }
.service-card .service-index {
  display: inline-flex; align-items: center; justify-content: center; width: 62px; height: 62px; margin-bottom: 26px;
  border-radius: 18px; color: var(--black);
  background: var(--gold-gradient); box-shadow: inset 0 1px 0 rgba(255,255,255,0.75), 0 12px 24px -8px rgba(212,175,55,0.8);
  transform: translateZ(50px); transition: transform var(--transition);
}
.service-card:hover .service-index { transform: translateZ(70px) rotateY(360deg); transition-duration: 0.9s; }
.service-card h3 { font-size: 1.3rem; margin-bottom: 14px; transform: translateZ(30px); }
.service-card .service-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; font-family: var(--font-display);
  font-weight: 700; font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-deep);
  transition: gap var(--transition);
}
.service-card:hover .service-link { gap: 14px; }
.section-dark .service-card h3 { color: var(--white); }

/* ---------- Cartes projets ---------- */
.project-card { display: block; overflow: hidden; padding: 10px; }
.project-card .project-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--gray-mid); border-radius: calc(var(--radius-md) - 8px); }
.project-card .project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s cubic-bezier(0.16,1,0.3,1); }
.project-card:hover .project-media img { transform: scale(1.09); }
.project-media { overflow: hidden; border-radius: var(--radius-md); }
.project-media img { width: 100%; }
.project-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--gold-deep);
  background: linear-gradient(135deg, #E9E6DD, #F8F6F0);
}
.project-card .project-tag {
  position: absolute; top: 14px; left: 14px; color: var(--black);
  background: rgba(255,255,255,0.62); border: 1px solid rgba(255,255,255,0.8);
  -webkit-backdrop-filter: blur(12px) saturate(160%); backdrop-filter: blur(12px) saturate(160%);
  font-family: var(--font-display); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.12em;
  padding: 7px 14px; border-radius: 999px; text-transform: uppercase; transform: translateZ(40px);
}
.project-card .project-info { padding: 20px 12px 12px; }
.project-card h3 { font-size: 1.08rem; margin-bottom: 6px; }
.project-meta { font-size: 0.86rem; color: var(--ink-soft); display: flex; gap: 10px; flex-wrap: wrap; }
.project-meta span::after { content: "•"; margin-left: 10px; color: var(--gold); }
.project-meta span:last-child::after { content: none; }

/* ---------- Stats ---------- */
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-item { padding: 44px 24px; text-align: center; overflow: hidden; }
.stat-value {
  font-family: var(--font-display); font-size: clamp(2rem, 2vw + 1.3rem, 3.1rem); font-weight: 800; display: block;
  background: var(--gold-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
  transform: translateZ(50px);
}
.stat-label { font-size: 0.86rem; color: rgba(255,255,255,0.68); margin-top: 8px; display: block; letter-spacing: 0.04em; transform: translateZ(20px); }

/* ---------- Équipe ---------- */
.team-card { text-align: left; padding: 12px 12px 22px; }
.team-photo {
  aspect-ratio: 3/3.6; background: var(--gray-light); border-radius: calc(var(--radius-md) - 8px); overflow: hidden;
  margin-bottom: 18px; position: relative;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s cubic-bezier(0.16,1,0.3,1); }
.team-card:hover .team-photo img { transform: scale(1.07); }
.team-photo-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; color: var(--black);
  background: var(--gold-gradient);
}
.team-card h3, .team-card .team-role, .team-card p, .team-card a { margin-left: 10px; margin-right: 10px; }
.team-card h3 { font-size: 1.05rem; margin-bottom: 2px; }
.team-role { color: var(--gold-deep); font-size: 0.76rem; font-weight: 700; margin-bottom: 10px; display: block; font-family: var(--font-display); letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- Témoignages ---------- */
.testimonial-card { padding: 38px; display: flex; flex-direction: column; gap: 18px; }
.testimonial-stars { color: var(--gold); letter-spacing: 3px; font-size: 0.95rem; text-shadow: 0 2px 8px rgba(212,175,55,0.5); }
.testimonial-quote { font-size: 1.02rem; color: var(--black); font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--gold-gradient); overflow: hidden;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; color: var(--black); flex-shrink: 0;
}
.testimonial-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-author strong { display: block; font-size: 0.92rem; font-family: var(--font-display); }
.testimonial-author span { font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- Formulaires ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-group { margin-bottom: 22px; display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-family: var(--font-display); font-weight: 700; font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; }
.form-group .hint { font-size: 0.78rem; color: var(--ink-soft); }
input[type=text], input[type=email], input[type=tel], input[type=password], input[type=number], input[type=url], input[type=file], select, textarea {
  font-family: var(--font-body); font-size: 0.98rem; padding: 14px 18px; border: 1px solid rgba(13,13,13,0.12);
  border-radius: 16px; color: var(--black); width: 100%;
  background: linear-gradient(140deg, rgba(255,255,255,0.75), rgba(255,255,255,0.4));
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  box-shadow: inset 0 2px 6px rgba(13,13,13,0.05), inset 0 1px 0 rgba(255,255,255,0.9);
  transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--gold); background: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 4px rgba(212,175,55,0.22), inset 0 1px 0 #fff; transform: translateY(-2px);
}
textarea { resize: vertical; min-height: 150px; }
.field-error { color: #B03A2E; font-size: 0.8rem; }
.checkbox-row { display: flex; flex-direction: row; align-items: center; gap: 10px; }
.checkbox-row input { width: auto; accent-color: var(--gold-deep); }

/* ---------- Footer ---------- */
.site-footer {
  position: relative; color: rgba(255,255,255,0.75); padding: 90px 0 0; overflow: hidden;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(212,175,55,0.16), rgba(13,13,13,0) 60%),
    var(--black);
}
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .footer-logo-img { width: 210px; height: auto; margin-bottom: 8px; filter: drop-shadow(0 8px 24px rgba(212,175,55,0.25)); }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.92rem; margin-top: 14px; max-width: 300px; }
.footer-slogan { font-family: var(--font-display); font-size: 0.64rem; letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase; }
.footer-col h3 { color: var(--white); font-size: 0.74rem; letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col a, .footer-col .footer-text { display: block; color: rgba(255,255,255,0.6); font-size: 0.92rem; margin-bottom: 12px; transition: var(--transition); }
.footer-col a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 26px 0; font-size: 0.82rem; color: rgba(255,255,255,0.45); }
.footer-admin-link { color: rgba(255,255,255,0.45); }
.footer-admin-link:hover { color: var(--gold-light); }

/* ---------- Flash messages ---------- */
.flash-stack { padding-top: 110px; display: flex; flex-direction: column; gap: 10px; }
.flash {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 22px; border-radius: 18px; font-size: 0.92rem;
}
.flash-success { border-left: 4px solid #4C9A3B; color: #26471D; }
.flash-danger { border-left: 4px solid #C0392B; color: #7A2A21; }
.flash-info { border-left: 4px solid var(--gold); color: var(--black); }
.flash-close { background: none; border: none; font-size: 1.2rem; color: inherit; opacity: 0.6; }

/* ---------- Apparition 3D au scroll ---------- */
.reveal {
  opacity: 0; transform: perspective(1000px) translate3d(0, 40px, -90px) rotateX(14deg);
  transform-origin: 50% 100%;
  transition: opacity 0.9s ease, transform 1s cubic-bezier(0.16,1,0.3,1), box-shadow var(--transition), background var(--transition);
}
.reveal.is-visible { opacity: 1; transform: perspective(1000px) translate3d(0, 0, 0) rotateX(0); }
.reveal.tilt.is-visible { transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(var(--tz, 0px)); }

/* ---------- Pages intérieures (bandeau titre) ---------- */
.page-header {
  color: var(--white); padding: 190px 0 90px; position: relative; overflow: hidden;
  background:
    radial-gradient(80% 140% at 90% 0%, rgba(212,175,55,0.24), rgba(13,13,13,0) 60%),
    radial-gradient(60% 100% at 0% 100%, rgba(74,74,74,0.5), rgba(13,13,13,0) 60%),
    var(--black);
}
.page-header::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); z-index: 2; }
.page-header > .container { position: relative; z-index: 2; }
.page-header h1 { color: var(--white); font-size: var(--fs-h1); margin-bottom: 14px; font-weight: 800; }
.page-header p { color: rgba(255,255,255,0.7); max-width: 560px; }
.breadcrumb { font-size: 0.72rem; color: var(--gold); margin-bottom: 20px; font-family: var(--font-display); font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.breadcrumb a { color: rgba(255,255,255,0.55); }
.breadcrumb a:hover { color: var(--gold-light); }

/* ---------- Filtres réalisations ---------- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 50px; }
.filter-chip {
  padding: 10px 22px; border-radius: 999px; font-family: var(--font-display);
  font-weight: 700; font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; transition: var(--transition);
}
.filter-chip:hover { transform: translateY(-3px); }
.filter-chip.is-active { background: var(--gold-gradient); border-color: rgba(255,255,255,0.5); color: var(--black); box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 10px 22px -8px rgba(212,175,55,0.8); }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 70px; align-items: start; }
.contact-info-card { padding: 40px; }
.contact-info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icon { color: var(--gold-deep); flex-shrink: 0; }
.contact-info-item h4 { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 3px; }
.contact-info-item span, .contact-info-item a { font-size: 0.92rem; color: var(--ink-soft); }
.contact-info-item a:hover { color: var(--gold-deep); }

/* ---------- Blocs utilitaires de contenu ---------- */
.icon-plate { padding: 60px; text-align: center; color: var(--gold); display: block; border-radius: var(--radius-md); }
.service-card.plate-dark {
  background: linear-gradient(140deg, rgba(13,13,13,0.94), rgba(40,40,40,0.9)); border-color: rgba(212,175,55,0.35);
  box-shadow: var(--glass-shadow-dark), 0 30px 70px -24px rgba(212,175,55,0.5);
}
.service-list-row { align-items: center; gap: 60px; padding: 50px 0; border-bottom: 1px solid var(--line); }

/* ---------- Empty states ---------- */
.empty-state { text-align: center; padding: 70px 20px; color: var(--ink-soft); grid-column: 1 / -1; }

/* ---------- Cube 3D décoratif (CSS pur) ---------- */
.cube-scene { position: absolute; right: 8%; top: 50%; width: 160px; height: 160px; perspective: 900px; z-index: 1; margin-top: -80px; opacity: 0.9; }
.cube { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; animation: cube-spin 18s linear infinite; }
.cube span {
  position: absolute; inset: 0; border: 1.5px solid rgba(212,175,55,0.75);
  background: linear-gradient(140deg, rgba(212,175,55,0.22), rgba(255,255,255,0.03));
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  box-shadow: inset 0 0 30px rgba(212,175,55,0.2), 0 0 24px rgba(212,175,55,0.15);
}
.cube span:nth-child(1) { transform: translateZ(80px); }
.cube span:nth-child(2) { transform: rotateY(180deg) translateZ(80px); }
.cube span:nth-child(3) { transform: rotateY(90deg) translateZ(80px); }
.cube span:nth-child(4) { transform: rotateY(-90deg) translateZ(80px); }
.cube span:nth-child(5) { transform: rotateX(90deg) translateZ(80px); }
.cube span:nth-child(6) { transform: rotateX(-90deg) translateZ(80px); }
@keyframes cube-spin { from { transform: rotateX(-24deg) rotateY(0deg); } to { transform: rotateX(-24deg) rotateY(360deg); } }

/* ---------- Page de connexion ---------- */
.auth-page { background: var(--black); }
.auth-page::before { background: radial-gradient(circle, rgba(212,175,55,0.4) 0%, rgba(212,175,55,0) 68%); }
.auth-page::after { background: radial-gradient(circle, rgba(74,74,74,0.5) 0%, rgba(74,74,74,0) 68%); }
.auth-page .site-footer { background: transparent; }
.auth-card { padding: 44px 40px; border-radius: var(--radius-lg); }
.auth-page .auth-card { background: var(--glass-dark-bg); border-color: rgba(255,255,255,0.16); box-shadow: var(--glass-shadow-dark); color: var(--white); }
.auth-page .auth-card h1, .auth-page .auth-card label { color: var(--white); }
.auth-page .auth-card p { color: rgba(255,255,255,0.7); }
.auth-page .eyebrow { color: var(--gold); }
.auth-page input:not([type=submit]) { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: var(--white); box-shadow: inset 0 2px 8px rgba(0,0,0,0.35); }
.auth-page input:not([type=submit]):focus { background: rgba(255,255,255,0.14); }
.auth-page .field-error { color: #FF8E80; }

/* ---------- Utilitaires ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-services { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .cube-scene { display: none; }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: 0; top: 0; flex-direction: column; justify-content: center; align-items: center; gap: 28px; padding: 40px 32px;
    background: linear-gradient(160deg, rgba(13,13,13,0.94), rgba(30,26,12,0.92));
    -webkit-backdrop-filter: blur(30px); backdrop-filter: blur(30px);
    opacity: 0; visibility: hidden; transform: perspective(900px) rotateX(-8deg) scale(0.96); transition: var(--transition); z-index: 90;
  }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a { font-size: 1rem; }
  .nav-toggle { display: flex; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .navbar-inner { padding-left: 16px; }
  .logo-sub { display: none; }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .section { padding: 70px 0; }
  .hero { min-height: auto; padding: 150px 0 90px; }
  .hero-scroll-cue { display: none; }
  .page-header { padding: 150px 0 70px; }
  .stats-strip { grid-template-columns: 1fr 1fr; gap: 14px; }
  .service-list-row { gap: 30px; }
  .contact-info-card, .testimonial-card, .service-card { padding: 30px 26px; }
}

/* Écrans tactiles : pas de tilt au curseur */
@media (hover: none) {
  .tilt { transform: none !important; }
}