ca8538b331
Previous SVG illustrations and emojis were dropped per user feedback.
The new intro is a single fixed viewport (no scroll) where every
layer reacts to mouse movement only:
Layer 1 — Real photo: Earth at night from space (NASA / Unsplash),
slow parallax (-18px max).
Layer 2 — Navy gradient tint to anchor the brand palette and
ensure central card legibility.
Layer 3 — Real photo: aerial sunset clouds (Unsplash), 28%
opacity with mix-blend-mode soft-light, faster
parallax (-32px max).
Layer 4 — Gold radial glow that follows the cursor (mix-blend
screen), giving an interactive "spotlight" feel.
Layer 5 — 12 floating gold particles with continuous CSS
animation, fastest parallax (-55px max).
Center card (glassmorphism, navy + gold border, blur 24px) tilts in
the OPPOSITE direction (+12px) for a 3D depth illusion. The CTA
button has a continuous pulse ring, hover lift + shine sweep, and
routes to accueil.html.
Mobile: device-orientation events drive the parallax instead of
mouse. prefers-reduced-motion kills all animations.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
383 lines
14 KiB
CSS
383 lines
14 KiB
CSS
/* =========================================================================
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PARALLAX INTRO — MVA Global Fret
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Page unique fixe. Parallaxe pilotée à la souris uniquement.
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Photos professionnelles Unsplash, aucun dessin maison.
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========================================================================= */
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:root {
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--navy: #1a1a3e;
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--navy-deep: #050518;
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--navy-light: #2a2a5e;
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--gold: #c5a55a;
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--gold-light: #e0c98a;
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--white: #ffffff;
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--mx: 0;
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--my: 0;
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}
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* { box-sizing: border-box; margin: 0; padding: 0; }
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html, body {
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height: 100%;
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overflow: hidden;
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}
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.parallax-body {
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font-family: 'Inter', sans-serif;
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color: var(--white);
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background: var(--navy-deep);
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}
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/* ── HEADER MINIMAL ─────────────────────────────────────────────────────── */
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.parallax-header {
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position: fixed;
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top: 0; left: 0; right: 0;
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 20px 36px;
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z-index: 50;
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}
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.parallax-logo {
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display: inline-flex;
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align-items: center;
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gap: 12px;
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color: var(--white);
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font-family: 'Poppins', sans-serif;
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font-weight: 700;
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letter-spacing: 1px;
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font-size: 0.95rem;
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text-transform: uppercase;
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user-select: none;
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}
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.parallax-logo img {
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height: 44px;
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width: auto;
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filter: drop-shadow(0 4px 12px rgba(0,0,0,0.5));
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}
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.lang-switcher {
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display: inline-flex;
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background: rgba(255,255,255,0.08);
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border: 1px solid rgba(255,255,255,0.18);
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border-radius: 50px;
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padding: 4px;
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backdrop-filter: blur(10px);
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-webkit-backdrop-filter: blur(10px);
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}
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.lang-switcher button {
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background: transparent;
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border: none;
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color: rgba(255,255,255,0.7);
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padding: 6px 14px;
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cursor: pointer;
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border-radius: 50px;
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font-weight: 600;
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font-size: 0.78rem;
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font-family: inherit;
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transition: all 0.2s;
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}
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.lang-switcher button.active {
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background: var(--gold);
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color: var(--navy);
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}
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.lang-switcher button:hover:not(.active) { color: var(--white); }
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/* ── STAGE ──────────────────────────────────────────────────────────────── */
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.stage {
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position: relative;
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width: 100vw;
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height: 100vh;
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overflow: hidden;
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perspective: 1000px;
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}
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.layer {
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position: absolute;
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inset: -8% -8%; /* Marge pour que la parallaxe ne révèle pas les bords */
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pointer-events: none;
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will-change: transform;
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}
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/* ──────────────────────────────────────────────────────────────────────────
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COUCHE 1 — Terre depuis l'espace (background le plus profond)
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Photo : NASA / Unsplash @nasa
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────────────────────────────────────────────────────────────────────────── */
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.layer-earth {
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background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=2400&q=85');
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background-size: cover;
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background-position: center;
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/* Bouge légèrement à la souris */
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transform: translate(calc(var(--mx) * -18px), calc(var(--my) * -18px)) scale(1.04);
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}
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/* ──────────────────────────────────────────────────────────────────────────
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COUCHE 2 — Voile bleu nuit pour assombrir et amener la palette de marque
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────────────────────────────────────────────────────────────────────────── */
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.layer-tint {
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background:
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radial-gradient(ellipse at center, rgba(26, 26, 62, 0.4) 0%, rgba(5, 5, 24, 0.85) 100%),
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linear-gradient(180deg, rgba(26, 26, 62, 0.5) 0%, rgba(5, 5, 24, 0.7) 100%);
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inset: 0;
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}
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/* ──────────────────────────────────────────────────────────────────────────
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COUCHE 3 — Nuages au coucher de soleil (vue aérienne)
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Mode soft-light pour fusionner avec la Terre
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Photo : Unsplash
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────────────────────────────────────────────────────────────────────────── */
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.layer-clouds {
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background-image: url('https://images.unsplash.com/photo-1530908295418-a12e326966ba?w=2400&q=85');
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background-size: cover;
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background-position: center;
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opacity: 0.28;
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mix-blend-mode: soft-light;
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transform: translate(calc(var(--mx) * -32px), calc(var(--my) * -32px)) scale(1.06);
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}
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/* ──────────────────────────────────────────────────────────────────────────
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COUCHE 4 — Halo doré central qui suit la souris
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────────────────────────────────────────────────────────────────────────── */
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.layer-glow {
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background: radial-gradient(circle at calc(50% + var(--mx) * 8%) calc(50% + var(--my) * 8%),
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rgba(197, 165, 90, 0.22) 0%,
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rgba(197, 165, 90, 0.10) 25%,
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transparent 55%);
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inset: 0;
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mix-blend-mode: screen;
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}
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/* ──────────────────────────────────────────────────────────────────────────
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COUCHE 5 — Particules dorées flottantes (parallaxe la plus rapide)
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────────────────────────────────────────────────────────────────────────── */
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.layer-particles {
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inset: 0;
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transform: translate(calc(var(--mx) * -55px), calc(var(--my) * -55px));
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}
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.particle {
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position: absolute;
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border-radius: 50%;
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background: radial-gradient(circle, #fff 0%, var(--gold) 50%, transparent 100%);
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pointer-events: none;
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filter: blur(0.5px);
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animation: float 14s ease-in-out infinite;
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}
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.particle::after {
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content: '';
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position: absolute;
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inset: -4px;
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border-radius: 50%;
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background: radial-gradient(circle, rgba(197, 165, 90, 0.5) 0%, transparent 70%);
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filter: blur(4px);
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}
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.p1 { top: 12%; left: 8%; width: 4px; height: 4px; animation-delay: 0s; animation-duration: 12s; }
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.p2 { top: 22%; left: 78%; width: 3px; height: 3px; animation-delay: -2s; animation-duration: 16s; }
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.p3 { top: 35%; left: 18%; width: 5px; height: 5px; animation-delay: -5s; animation-duration: 14s; }
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.p4 { top: 48%; left: 88%; width: 2px; height: 2px; animation-delay: -8s; animation-duration: 18s; }
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.p5 { top: 60%; left: 14%; width: 4px; height: 4px; animation-delay: -3s; animation-duration: 13s; }
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.p6 { top: 72%; left: 72%; width: 3px; height: 3px; animation-delay: -6s; animation-duration: 17s; }
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.p7 { top: 82%; left: 30%; width: 5px; height: 5px; animation-delay: -1s; animation-duration: 15s; }
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.p8 { top: 18%; left: 48%; width: 2px; height: 2px; animation-delay: -7s; animation-duration: 19s; }
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.p9 { top: 40%; left: 56%; width: 3px; height: 3px; animation-delay: -4s; animation-duration: 14s; }
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.p10 { top: 88%; left: 92%; width: 4px; height: 4px; animation-delay: -9s; animation-duration: 16s; }
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.p11 { top: 6%; left: 35%; width: 3px; height: 3px; animation-delay: -10s; animation-duration: 13s; }
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.p12 { top: 92%; left: 56%; width: 2px; height: 2px; animation-delay: -11s; animation-duration: 17s; }
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@keyframes float {
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0%, 100% { transform: translate(0, 0); opacity: 0.4; }
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25% { transform: translate(20px, -30px); opacity: 1; }
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50% { transform: translate(-15px, -50px); opacity: 0.6; }
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75% { transform: translate(-25px, -20px); opacity: 1; }
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}
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/* ──────────────────────────────────────────────────────────────────────────
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CARTE CENTRALE — CTA
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────────────────────────────────────────────────────────────────────────── */
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.center-card {
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position: absolute;
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top: 50%;
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left: 50%;
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z-index: 10;
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text-align: center;
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width: min(560px, calc(100vw - 40px));
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padding: 50px 50px 44px;
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background: rgba(13, 13, 36, 0.45);
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border: 1px solid rgba(197, 165, 90, 0.25);
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border-radius: 28px;
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backdrop-filter: blur(24px) saturate(140%);
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-webkit-backdrop-filter: blur(24px) saturate(140%);
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box-shadow:
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0 30px 80px rgba(0, 0, 0, 0.55),
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inset 0 1px 0 rgba(255, 255, 255, 0.08);
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/* La carte bouge en sens INVERSE des autres couches (effet de tilt 3D) */
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transform: translate(
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calc(-50% + var(--mx) * 12px),
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calc(-50% + var(--my) * 12px)
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);
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transition: transform 0.05s linear;
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}
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/* Halo doré derrière la carte */
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.center-card::before {
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content: '';
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position: absolute;
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inset: -2px;
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border-radius: 28px;
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background: linear-gradient(135deg, rgba(197, 165, 90, 0.6), transparent 40%, transparent 60%, rgba(197, 165, 90, 0.4));
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z-index: -1;
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opacity: 0.5;
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filter: blur(8px);
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}
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.card-pretitle {
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font-family: 'Poppins', sans-serif;
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font-weight: 500;
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letter-spacing: 8px;
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text-transform: uppercase;
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color: var(--gold);
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font-size: 0.78rem;
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margin-bottom: 14px;
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opacity: 0.92;
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}
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.card-title {
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font-family: 'Poppins', sans-serif;
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font-size: clamp(2rem, 4.6vw, 3.4rem);
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font-weight: 800;
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letter-spacing: -1px;
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line-height: 1;
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background: linear-gradient(135deg, #fff 0%, #c5a55a 55%, #fff 100%);
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-webkit-background-clip: text;
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background-clip: text;
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-webkit-text-fill-color: transparent;
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color: transparent;
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text-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
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}
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.card-line {
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width: 64px;
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height: 2px;
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background: var(--gold);
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margin: 22px auto 18px;
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border-radius: 1px;
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position: relative;
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}
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.card-line::after {
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content: '';
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position: absolute;
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inset: 0;
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background: var(--gold);
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filter: blur(4px);
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opacity: 0.6;
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}
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.card-subtitle {
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font-size: clamp(0.95rem, 1.5vw, 1.1rem);
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font-weight: 300;
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color: rgba(255, 255, 255, 0.8);
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line-height: 1.55;
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letter-spacing: 0.3px;
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max-width: 420px;
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margin: 0 auto 36px;
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}
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/* ── BOUTON CTA ─────────────────────────────────────────────────────────── */
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.cta-btn {
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position: relative;
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display: inline-flex;
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align-items: center;
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gap: 14px;
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padding: 18px 44px;
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background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
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color: var(--navy);
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text-decoration: none;
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border-radius: 50px;
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font-family: 'Poppins', sans-serif;
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font-weight: 700;
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font-size: 1.02rem;
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letter-spacing: 0.5px;
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overflow: hidden;
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box-shadow:
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0 14px 40px rgba(197, 165, 90, 0.5),
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0 0 0 0 rgba(197, 165, 90, 0.4),
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inset 0 1px 0 rgba(255, 255, 255, 0.4);
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transition: all 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
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z-index: 1;
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}
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.cta-btn-shine {
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position: absolute;
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top: 0; left: -120%;
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width: 50%; height: 100%;
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background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
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transform: skewX(-20deg);
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transition: left 0.7s ease;
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}
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.cta-btn:hover {
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transform: translateY(-4px) scale(1.02);
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box-shadow:
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0 22px 55px rgba(197, 165, 90, 0.65),
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0 0 0 10px rgba(197, 165, 90, 0.12),
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inset 0 1px 0 rgba(255, 255, 255, 0.5);
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}
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.cta-btn:hover .cta-btn-shine { left: 130%; }
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.cta-btn i {
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font-size: 0.95rem;
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transition: transform 0.32s ease;
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}
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.cta-btn:hover i { transform: translateX(6px); }
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/* Pulse autour du bouton (continu) */
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.cta-btn::after {
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content: '';
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position: absolute;
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inset: -3px;
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border-radius: 50px;
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border: 2px solid rgba(197, 165, 90, 0.5);
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animation: ctaPulse 2.5s ease-out infinite;
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pointer-events: none;
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}
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@keyframes ctaPulse {
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0% { transform: scale(1); opacity: 0.6; }
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100% { transform: scale(1.18); opacity: 0; }
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}
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/* ── META INFOS SOUS LE BOUTON ──────────────────────────────────────────── */
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.card-meta {
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margin-top: 32px;
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display: flex;
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justify-content: center;
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gap: 14px;
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flex-wrap: wrap;
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color: rgba(255, 255, 255, 0.6);
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font-size: 0.82rem;
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}
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.card-meta span { display: inline-flex; align-items: center; gap: 8px; }
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.card-meta i { color: var(--gold); font-size: 0.85rem; }
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.meta-sep { color: rgba(197, 165, 90, 0.4); padding: 0 4px; }
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/* ── RESPONSIVE ─────────────────────────────────────────────────────────── */
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@media (max-width: 768px) {
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.parallax-header { padding: 14px 18px; }
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.parallax-logo span { display: none; }
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.parallax-logo img { height: 40px; }
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.lang-switcher button { padding: 5px 10px; font-size: 0.74rem; }
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.center-card {
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width: calc(100vw - 28px);
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padding: 36px 28px 32px;
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border-radius: 22px;
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}
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.card-pretitle { letter-spacing: 5px; font-size: 0.72rem; }
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.card-subtitle { font-size: 0.92rem; margin-bottom: 28px; }
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.cta-btn { padding: 14px 30px; font-size: 0.95rem; }
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.card-meta { gap: 10px; font-size: 0.76rem; }
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.meta-sep { display: none; }
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}
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@media (prefers-reduced-motion: reduce) {
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.particle, .cta-btn::after { animation: none; }
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.layer-earth, .layer-clouds, .layer-particles, .center-card { transition: none; }
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}
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