/* ============================================
   SGEN ver-2 — HOME PAGE STYLES
   PDDRCS Design — Hero slideshow + Missions Dark
   ============================================ */

/* Hero slideshow en faible opacité */
.hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.08;
    pointer-events: none;
}
.hero-slideshow div {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0;
    animation: heroFade 18s infinite ease-in-out;
}
.hero-slideshow div:nth-child(1) { animation-delay: 0s;  background-image: url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?auto=format&fit=crop&q=80'); }
.hero-slideshow div:nth-child(2) { animation-delay: 6s;  background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&q=80'); }
.hero-slideshow div:nth-child(3) { animation-delay: 12s; background-image: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&q=80'); }

@keyframes heroFade {
    0%   { opacity: 0; }
    15%  { opacity: 1; }
    33%  { opacity: 1; }
    48%  { opacity: 0; }
    100% { opacity: 0; }
}

/* ============================================================
   POSTCARD SWIPE STACK — Hero
   Design moderne plein-écran : photo + gradient + badge + texte
   ============================================================ */

#polaroid-stack {
    position: relative;
}

/* Carte postcard — full bleed, coins arrondis, pas de cadre */
#polaroid-stack .pcard {
    position: absolute;
    inset: 0;
    border-radius: 24px;
    overflow: hidden;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.55),
        0 6px 18px rgba(0, 0, 0, 0.30);
    transition: transform 0.80s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.80s ease;
    cursor: grab;
    will-change: transform;
}

/* Photo plein fond */
#polaroid-stack .pcard-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Gradient overlay du bas */
#polaroid-stack .pcard-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 10, 40, 0.90) 0%,
        rgba(0, 10, 40, 0.45) 45%,
        rgba(0, 0, 0, 0.08) 100%
    );
}

/* Badge catégorie — haut gauche */
#polaroid-stack .pcard-badge {
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 10;
    padding: 5px 12px;
    border-radius: 99px;
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* Texte contenu — bas gauche */
#polaroid-stack .pcard-body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 24px 22px 26px;
}

#polaroid-stack .pcard-title {
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 8px;
}

#polaroid-stack .pcard-date {
    color: rgba(255, 255, 255, 0.50);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ---- Décalages très prononcés — last child = devant ---- */
#polaroid-stack .pcard:nth-last-child(1) {
    transform: rotate(-2deg) scale(1) translate(0px, 0px);
    z-index: 5;
    box-shadow:
        0 32px 72px rgba(0, 0, 0, 0.60),
        0 10px 28px rgba(0, 0, 0, 0.35);
}
#polaroid-stack .pcard:nth-last-child(2) {
    transform: rotate(10deg) scale(0.94) translate(32px, 16px);
    z-index: 4;
}
#polaroid-stack .pcard:nth-last-child(3) {
    transform: rotate(-15deg) scale(0.88) translate(-36px, 26px);
    z-index: 3;
}
#polaroid-stack .pcard:nth-last-child(4) {
    transform: rotate(20deg) scale(0.82) translate(48px, 36px);
    z-index: 2;
}
#polaroid-stack .pcard:nth-last-child(5) {
    transform: rotate(-25deg) scale(0.76) translate(-56px, 48px);
    z-index: 1;
}

/* Slide-out */
#polaroid-stack .pcard.slide-out {
    transform: translateX(165%) rotate(30deg) scale(0.82) !important;
    opacity: 0 !important;
}

/* ==========================================================
   MISSIONS DARK — Section "4 Piliers" — PDDRCS deep navy
   ========================================================== */

.missions-dark {
    position: relative;
    overflow: hidden;
    background-color: #002366;
    background-image: linear-gradient(180deg, #002366 0%, #001A4D 50%, #002366 100%);
}

/* Grain SVG overlay ~4% opacity texture */
.missions-dark-grain {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.7 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Dark glass cards — PDDRCS style */
.dark-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.dark-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-6px);
}

/* Border-top coloré — PDDRCS palette */
.dark-card[data-pilier="01"] {
    border-top: 4px solid #1A5BC4;
    box-shadow: inset 0 1px 0 rgba(26, 91, 196, 0.22);
}
.dark-card[data-pilier="01"]:hover {
    box-shadow:
        inset 0 1px 0 rgba(26, 91, 196, 0.4),
        0 24px 50px -10px rgba(26, 91, 196, 0.25);
}

.dark-card[data-pilier="02"] {
    border-top: 4px solid #CE1126;
    box-shadow: inset 0 1px 0 rgba(206, 17, 38, 0.22);
}
.dark-card[data-pilier="02"]:hover {
    box-shadow:
        inset 0 1px 0 rgba(206, 17, 38, 0.4),
        0 24px 50px -10px rgba(206, 17, 38, 0.25);
}

.dark-card[data-pilier="03"] {
    border-top: 4px solid #F7D417;
    box-shadow: inset 0 1px 0 rgba(247, 212, 23, 0.28);
}
.dark-card[data-pilier="03"]:hover {
    box-shadow:
        inset 0 1px 0 rgba(247, 212, 23, 0.45),
        0 24px 50px -10px rgba(247, 212, 23, 0.22);
}

.dark-card[data-pilier="04"] {
    border-top: 4px solid #1A5BC4;
    box-shadow: inset 0 1px 0 rgba(26, 91, 196, 0.22);
}
.dark-card[data-pilier="04"]:hover {
    box-shadow:
        inset 0 1px 0 rgba(26, 91, 196, 0.4),
        0 24px 50px -10px rgba(26, 91, 196, 0.25);
}

/* ==========================================================
   PAVÉS HYBRIDES — Section Engagements
   PDDRCS palette (yellow accent principal)
   ========================================================== */

.pave {
    position: relative;
    padding: 2rem 1.75rem 5rem;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-top: 4px solid transparent;
    border-radius: 1.25rem;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 260px;
}

.pave[data-accent="cyan"] { border-top-color: #1A5BC4; }
.pave[data-accent="gold"] { border-top-color: #F7D417; }
.pave[data-accent="red"]  { border-top-color: #CE1126; }
.pave[data-accent="blue"] { border-top-color: #003DA5; }

.pave:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(0, 35, 102, 0.14);
    border-color: #CBD5E1;
}

/* Forme décorative circulaire */
.pave-shape {
    position: absolute;
    top: -2.5rem;
    right: -2.5rem;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    opacity: 0.07;
    pointer-events: none;
    transition: opacity 0.4s, transform 0.4s;
}
.pave[data-accent="cyan"] .pave-shape { background: #1A5BC4; }
.pave[data-accent="gold"] .pave-shape { background: #F7D417; }
.pave[data-accent="red"]  .pave-shape { background: #CE1126; }
.pave[data-accent="blue"] .pave-shape { background: #003DA5; }
.pave:hover .pave-shape {
    opacity: 0.14;
    transform: scale(1.25) translate(-4px, 4px);
}

/* Header : numéro + dot */
.pave-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 2;
}

.pave-number {
    font-family: 'Poppins', system-ui, sans-serif;
    font-weight: 700;
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: #8B95A5;
}
.pave[data-accent="cyan"] .pave-number { color: #1A5BC4; }
.pave[data-accent="gold"] .pave-number { color: #B08E00; }
.pave[data-accent="red"]  .pave-number { color: #9B0D1E; }
.pave[data-accent="blue"] .pave-number { color: #003DA5; }

/* Dot indicator coloré */
.pave-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.pave[data-accent="cyan"] .pave-dot { background: #1A5BC4; box-shadow: 0 0 10px rgba(26, 91, 196, 0.55); }
.pave[data-accent="gold"] .pave-dot { background: #F7D417; box-shadow: 0 0 10px rgba(247, 212, 23, 0.6); }
.pave[data-accent="red"]  .pave-dot { background: #CE1126; box-shadow: 0 0 10px rgba(206, 17, 38, 0.5); }
.pave[data-accent="blue"] .pave-dot { background: #003DA5; box-shadow: 0 0 10px rgba(0, 61, 165, 0.5); }

/* Titre */
.pave-title {
    font-family: 'Poppins', system-ui, sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #003DA5;
    line-height: 1.25;
    margin-bottom: 0.875rem;
    position: relative;
    z-index: 2;
}

/* Description */
.pave-desc {
    font-family: 'Poppins', system-ui, sans-serif;
    font-size: 0.92rem;
    font-weight: 400;
    line-height: 1.6;
    color: #4A5568;
    position: relative;
    z-index: 2;
}

/* Flèche bas-gauche */
.pave-arrow {
    position: absolute;
    bottom: 1.5rem;
    left: 1.75rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8B95A5;
    background: rgba(139, 149, 165, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 3;
}
.pave:hover .pave-arrow {
    transform: translate(4px, -4px) rotate(0deg);
    color: white;
}
.pave[data-accent="cyan"]:hover .pave-arrow { background: #1A5BC4; box-shadow: 0 6px 20px rgba(26, 91, 196, 0.4); }
.pave[data-accent="gold"]:hover .pave-arrow { background: #D4A800; box-shadow: 0 6px 20px rgba(212, 168, 0, 0.4); }
.pave[data-accent="red"]:hover  .pave-arrow { background: #CE1126; box-shadow: 0 6px 20px rgba(206, 17, 38, 0.4); }
.pave[data-accent="blue"]:hover .pave-arrow { background: #003DA5; box-shadow: 0 6px 20px rgba(0, 61, 165, 0.4); }

/* Watermark décoratif bas-droite — Poppins italic fin */
.pave-watermark {
    position: absolute;
    bottom: -1.5rem;
    right: -0.5rem;
    font-family: 'Poppins', system-ui, sans-serif;
    font-style: italic;
    font-weight: 300;
    font-size: 6.5rem;
    line-height: 1;
    letter-spacing: -0.04em;
    opacity: 0.06;
    pointer-events: none;
    z-index: 1;
    transition: opacity 0.4s, transform 0.4s;
}
.pave[data-accent="cyan"] .pave-watermark { color: #1A5BC4; }
.pave[data-accent="gold"] .pave-watermark { color: #F7D417; }
.pave[data-accent="red"]  .pave-watermark { color: #CE1126; }
.pave[data-accent="blue"] .pave-watermark { color: #003DA5; }
.pave:hover .pave-watermark {
    opacity: 0.14;
    transform: translate(-0.3rem, -0.3rem);
}