d1ea4d696c
Hero animation: a 3D airliner enters from the lower-left climbing, crosses the viewport at near-1:1 scale around 50% of the timeline, then exits top-right and shrinks. CTA stays hidden during the flyby and fades in once the plane has cleared the frame; the gold pulse halo is delayed to start with the reveal. The plane asset is microsoft/fluentui-emoji's Airplane/3D, MIT. Total intro is ~3.9s before the CTA is interactable; reduced-motion short-circuits the whole sequence and shows the button immediately. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
257 lines
7.0 KiB
CSS
257 lines
7.0 KiB
CSS
/* =========================================================================
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PARALLAX INTRO — MVA Global Fret
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Page unique, fixe (pas de scroll). Vidéo Terre rotative + ligne rouge 3D
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Paris ↔ Antananarivo (suit la rotation du globe) + bouton centré.
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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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--gold: #c5a55a;
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--gold-light: #e0c98a;
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--red: #ff2a3d;
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--white: #fff;
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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 ─────────────────────────────────────────────────────────────── */
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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: 22px 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: 1.2px;
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font-size: 0.92rem;
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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 14px rgba(0,0,0,0.65));
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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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}
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.layer {
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position: absolute;
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inset: 0;
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width: 100%;
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height: 100%;
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pointer-events: none;
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will-change: transform;
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}
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/* Parallaxe vidéo : suit la souris avec easing. Sur-dimensionnée pour
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masquer les bords quand elle bouge. */
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.layer-video {
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object-fit: cover;
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object-position: center;
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transform: translate(calc(var(--mx) * -22px), calc(var(--my) * -22px)) scale(1.06);
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}
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.layer-tint {
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background:
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radial-gradient(ellipse at center, transparent 0%, rgba(5, 5, 24, 0.55) 100%),
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linear-gradient(180deg, rgba(5, 5, 24, 0.25) 0%, rgba(5, 5, 24, 0.5) 100%);
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}
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/* ── HERO PLANE — vol traversant qui révèle le CTA ──────────────────────
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L'avion vient du bas-gauche en grimpant (vol décollage), traverse
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l'écran en passant au centre, puis sort en haut-droite. Pendant ce
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temps, le bouton reste caché. À la sortie de l'avion, le bouton
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apparaît en fade. */
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.hero-plane {
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position: absolute;
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top: 50%;
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left: 50%;
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width: 360px;
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height: auto;
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z-index: 20;
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pointer-events: none;
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filter: drop-shadow(0 24px 30px rgba(0, 0, 0, 0.45));
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transform-origin: 50% 50%;
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animation: plane-flyby 3.4s cubic-bezier(0.45, 0.05, 0.55, 0.95) 0.3s forwards;
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}
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@keyframes plane-flyby {
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0% {
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transform: translate(-160vw, 50vh) rotate(-15deg) scale(0.45);
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opacity: 0;
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}
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12% { opacity: 1; }
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50% {
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transform: translate(-50%, -50%) rotate(-8deg) scale(1.0);
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opacity: 1;
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}
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88% { opacity: 1; }
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100% {
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transform: translate(120vw, -120vh) rotate(-22deg) scale(0.65);
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opacity: 0;
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}
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}
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/* ── BOUTON CTA centré ──────────────────────────────────────────────────── */
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.cta-btn {
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position: absolute;
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top: 50%;
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left: 50%;
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/* Bouge légèrement en sens INVERSE des couches → effet de tilt 3D */
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transform: translate(
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calc(-50% + var(--mx) * 8px),
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calc(-50% + var(--my) * 8px)
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);
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z-index: 10;
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/* Caché jusqu'à la sortie de l'avion, puis fade in */
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opacity: 0;
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animation: cta-reveal 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) 3.2s forwards;
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display: inline-flex;
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align-items: center;
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gap: 16px;
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padding: 22px 56px;
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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: 1.1rem;
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letter-spacing: 0.6px;
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overflow: hidden;
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white-space: nowrap;
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box-shadow:
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0 20px 60px rgba(197, 165, 90, 0.55),
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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, 0.45);
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transition: box-shadow 0.32s cubic-bezier(0.2, 0.8, 0.2, 1),
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transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
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}
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.cta-btn:hover {
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transform: translate(
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calc(-50% + var(--mx) * 8px),
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calc(-50% + var(--my) * 8px)
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) scale(1.04);
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box-shadow:
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0 28px 75px rgba(197, 165, 90, 0.7),
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0 0 0 12px rgba(197, 165, 90, 0.12),
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inset 0 1px 0 rgba(255, 255, 255, 0.55);
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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: 60%; height: 100%;
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background: linear-gradient(90deg, transparent, rgba(255,255,255,0.65), transparent);
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transform: skewX(-22deg);
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transition: left 0.7s ease;
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pointer-events: none;
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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(8px); }
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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, 0.55);
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/* Démarre le halo après la révélation du bouton (3.2s + 0.7s) */
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animation: ctaPulse 2.8s ease-out 3.9s 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: 0.7; }
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100% { transform: scale(1.18); opacity: 0; }
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}
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@keyframes cta-reveal {
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from { opacity: 0; }
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to { opacity: 1; }
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}
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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: 38px; }
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.lang-switcher button { padding: 5px 10px; font-size: 0.74rem; }
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.cta-btn {
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padding: 16px 36px;
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font-size: 0.98rem;
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}
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.hero-plane { width: 220px; }
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}
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@media (prefers-reduced-motion: reduce) {
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.cta-btn::after { animation: none; }
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.hero-plane { display: none; }
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.cta-btn { opacity: 1; animation: none; }
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}
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