/* ============================================================
   home.css — Styles spécifiques à la page d'accueil ARSTM
   Chargé uniquement sur la page Index via @section Styles
   ============================================================ */

/* ============================================================
   1. HERO SECTION
   ============================================================ */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 860px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Image de fond */
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-image: linear-gradient(135deg, #0D3B6E 0%, #1255A0 50%, #1A7BC4 100%) !important;
    background-position: center 40%;
    background-repeat: no-repeat;
    transform: scale(1.04);
    transition: transform 8s ease;
    will-change: transform;
}

/* Léger zoom au chargement pour effet cinématique */
.hero-section.loaded .hero-bg {
    transform: scale(1);
}

/* Overlay dégradé — bleu marine à transparent */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(13, 59, 110, 0.88) 0%,
        rgba(13, 59, 110, 0.70) 40%,
        rgba(13, 59, 110, 0.45) 70%,
        rgba(10, 47, 90, 0.60) 100%
    );
}

/* Contenu hero */
.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 40px;
}

/* Badge institutionnel */
.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(232, 101, 10, 0.18);
    border: 1px solid rgba(232, 101, 10, 0.45);
    color: #FFB07A;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 7px 18px;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

/* Titre hero */
.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--arstm-white);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.hero-title-accent {
    color: var(--arstm-orange);
    position: relative;
}

/* Sous-titre hero */
.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    margin: 0 auto 2.5rem;
    line-height: 1.75;
}

/* CTA hero */
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

/* Indicateur scroll */
.hero-scroll-hint {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.5);
    font-size: 1.4rem;
    animation: bounceDown 2s ease infinite;
    z-index: 2;
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   2. SECTION STATS
   ============================================================ */
.stats-section {
    padding: 56px 0;
}

.stat-divider {
    border-right: 1px solid rgba(255,255,255,0.12);
}

@media (max-width: 767px) {
    .stat-divider { border-right: none; }
    .stat-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
    .stat-item:last-child { border-bottom: none; }
}

/* ============================================================
   3. SECTION PRÉSENTATION (ABOUT)
   ============================================================ */
.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--arstm-gray-mid);
    font-weight: 600;
}

.about-feature .bi {
    font-size: 1.1rem;
    margin-top: 1px;
    flex-shrink: 0;
}

.text-orange { color: var(--arstm-orange) !important; }

/* Wrapper image with floating badge */
.about-img-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: visible;
}

.about-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 16px 48px rgba(13,59,110,0.20);
}

/* Badge flottant sur l'image */
.about-img-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--arstm-blue-dark);
    color: var(--arstm-white);
    padding: 16px 24px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 24px rgba(13,59,110,0.30);
    text-align: center;
    min-width: 120px;
}

.about-img-badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--arstm-orange);
    line-height: 1;
}

.about-img-badge-number sup {
    font-size: 1rem;
}

.about-img-badge-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================================
   4. SECTION ÉCOLES (Cards)
   ============================================================ */
.ecoles-section .col-lg {
    min-width: 0;
}

.ecole-card {
    background: var(--arstm-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--arstm-gray-border);
    border-top: 4px solid var(--ecole-accent, var(--arstm-blue-light));
    box-shadow: var(--card-shadow);
    padding: 1.75rem 1.5rem 1.25rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-mid);
    position: relative;
    overflow: hidden;
}

.ecole-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--ecole-accent);
    transition: height var(--transition-mid);
}

.ecole-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-6px);
}

/* Icône */
.ecole-card-icon {
    width: 52px;
    height: 52px;
    background: color-mix(in srgb, var(--ecole-accent) 12%, transparent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    color: var(--ecole-accent);
    transition: all var(--transition-mid);
}

.ecole-card:hover .ecole-card-icon {
    background: var(--ecole-accent);
    color: white;
}

.ecole-card-body {
    flex: 1;
}

.ecole-card-sigle {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--ecole-accent);
    display: block;
    margin-bottom: 0.5rem;
}

.ecole-card-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--arstm-blue-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.ecole-card-desc {
    font-size: 0.83rem;
    color: var(--arstm-gray-mid);
    line-height: 1.65;
    margin-bottom: 0;
    /* Troncature à 3 lignes */
    display: -webkit-box;
    -webkit-line-clamp: 4;
    line-clamp: 2; 
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ecole-card-link {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 0.80rem;
    font-weight: 700;
    color: var(--ecole-accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--arstm-gray-border);
    transition: gap var(--transition-fast), color var(--transition-fast);
    gap: 4px;
}

.ecole-card-link:hover {
    gap: 10px;
    color: var(--ecole-accent);
}

/* ============================================================
   5. SECTION CTA ADMISSIONS
   ============================================================ */
.admissions-cta-section {
    position: relative;
    padding: 80px 0;
    background-image: url('/images/hero/arstm-etudiants.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax léger */
    overflow: hidden;
}

.admissions-cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(13,59,110,0.92) 0%,
        rgba(18,85,160,0.85) 100%
    );
}

.admissions-cta-content {
    position: relative;
    z-index: 2;
}

/* ============================================================
   6. SECTION ACTUALITÉS
   ============================================================ */
.news-card {
    background: var(--arstm-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--arstm-gray-border);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-mid);
}

.news-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px);
}

.news-card-img-link {
    display: block;
    overflow: hidden;
}

.news-card-img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-card-img {
    transform: scale(1.05);
}

.news-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-card-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.70rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--arstm-blue-light);
    background: var(--arstm-blue-pale);
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 0.75rem;
}

.news-card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--arstm-blue-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    flex: 1;
}

.news-card-title a {
    color: inherit;
    transition: color var(--transition-fast);
}

.news-card-title a:hover {
    color: var(--arstm-blue-light);
}

.news-card-resume {
    font-size: 0.86rem;
    color: var(--arstm-gray-mid);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2; 
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.news-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--arstm-gray-border);
    margin-top: auto;
}

.news-card-date {
    font-size: 0.78rem;
    color: var(--arstm-gray-mid);
}

.news-card-readmore {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--arstm-orange);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition-fast);
}

.news-card-readmore:hover {
    gap: 8px;
    color: var(--arstm-orange);
}

/* ============================================================
   7. SECTION PARTENAIRES — carousel CSS
   ============================================================ */
.logos-track-wrapper {
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
}

.logos-track {
    display: flex;
    align-items: center;
    gap: 48px;
    width: max-content;
    animation: scrollLogos 28s linear infinite;
}

.logos-track:hover {
    animation-play-state: paused;
}

@keyframes scrollLogos {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

.logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 70px;
    background-color: white;
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.logo-item img {
    max-width: 110px;
    max-height: 50px;
    object-fit: contain;
    filter: opacity(0.85);
    transition: filter var(--transition-mid);
}

.logo-item:hover img {
    filter: opacity(1);
}

/* ============================================================
   8. SECTION ÉVÉNEMENTS
   ============================================================ */
.event-card {
    background: var(--arstm-white);
    border: 1px solid var(--arstm-gray-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: all var(--transition-mid);
}

.event-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}

.event-card-date {
    background: var(--arstm-blue-dark);
    color: var(--arstm-white);
    border-radius: var(--border-radius);
    padding: 10px 14px;
    text-align: center;
    flex-shrink: 0;
    min-width: 56px;
}

.event-day {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--arstm-orange);
    line-height: 1;
}

.event-month {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-top: 2px;
}

.event-card-title {
    font-family: var(--font-heading);
    font-size: 0.96rem;
    font-weight: 700;
    color: var(--arstm-blue-dark);
    margin-bottom: 0.4rem;
    line-height: 1.4;
}

.event-card-lieu {
    font-size: 0.82rem;
    color: var(--arstm-gray-mid);
    margin-bottom: 0.5rem;
}

.event-card-link {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--arstm-orange);
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ============================================================
   9. ANIMATIONS PAGE LOAD HERO
   ============================================================ */
.fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero visible immédiatement (pas d'attente scroll) */
.hero-content .fade-in-up {
    opacity: 0;
    animation: heroFadeIn 0.7s ease forwards;
}

@keyframes heroFadeIn {
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   10. RESPONSIVE
   ============================================================ */
@media (max-width: 991px) {
    .hero-section {
        min-height: 520px;
        max-height: 700px;
    }

    .about-img { height: 320px; }
    .about-img-badge { left: 10px; bottom: -15px; }

    .admissions-cta-section {
        background-attachment: scroll; /* Désactiver parallax mobile */
    }
}

@media (max-width: 767px) {
    .hero-section {
        height: 90vh;
        min-height: 480px;
    }

    .hero-title { font-size: 2rem; }
    .hero-ctas { flex-direction: column; align-items: center; }
    .hero-ctas .btn-arstm-primary,
    .hero-ctas .btn-arstm-secondary { width: 100%; text-align: center; }

    .ecole-card { min-height: auto; }
    .logos-track { gap: 32px; }
}