/* Reset de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #4a0e1b;
    color: white;
    font-family: 'Poppins', sans-serif;
    padding: 50px 40px 90px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Bouton Retour --- */
header {
    margin-bottom: 40px;
}

.btn-retour {
    display: inline-block;
    border: 1px solid white;
    padding: 8px 25px;
    border-radius: 50px;
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    transition: background 0.3s;
}

.btn-retour:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* --- Hero --- */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 45px;
}

.hero-text {
    flex: 1;
    padding-top: 8px;
}

#projet-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.6rem, 6vw, 4.6rem);
    line-height: 1.05;
    letter-spacing: 0.01em;
}

.hero-preview-card {
    position: relative;
    flex: 0 0 380px;
    width: 380px;
    height: 220px;
    border-radius: 14px;
    overflow: hidden;
    background-color: #2c0309;
    background-size: cover;
    background-position: center;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.25) 55%,
        transparent 100%
    );
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 18px 20px;
}

.card-theme {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 100px;
    color: rgba(255, 255, 255, 0.95);

    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.22) 0%,
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.15) 100%
    );
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.45);
}

/* --- Description principale --- */
.projet-description {
    font-size: 1rem;
    line-height: 1.75;
    max-width: 800px;
    margin-bottom: 55px;
    opacity: 0.92;
}

/* --- Grille principale : carrousel + infos --- */
.grid-section {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 30px;
    align-items: start;
}

/* --- Carte carrousel --- */
.carousel-card {
    background-color: #ffffff;
    color: #1a0408;
    border-radius: 18px;
    padding: 24px 24px 30px;
}

.carousel-viewport {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-media {
    width: 100%;
    aspect-ratio: 4 / 5;
    max-height: 560px;
    border-radius: 10px;
    overflow: hidden;
    background-color: #ececec;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-media img,
.carousel-media video,
.carousel-media iframe {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #ececec;
    border: none;
    display: none;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(26, 4, 8, 0.25);
    background: white;
    color: #1a0408;
    font-size: 1.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 5;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.carousel-arrow:hover {
    background: #1a0408;
    color: white;
    transform: translateY(-50%) scale(1.08);
}

.carousel-arrow.prev { left: 8px; }
.carousel-arrow.next { right: 8px; }

#carousel-caption {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-style: italic;
    font-size: 1.4rem;
    margin-top: 20px;
    text-align: center;
}

/* --- Carte infos (Détails + Outils) --- */
.info-card {
    background-color: #ffffff;
    color: #1a0408;
    border-radius: 18px;
    padding: 32px 28px;
}

.info-block {
    margin-bottom: 36px;
}

.info-block:last-child {
    margin-bottom: 0;
}

.info-block h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-size: 1.2rem;
    padding-bottom: 10px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(26, 4, 8, 0.2);
}

.info-block p {
    font-size: 0.92rem;
    line-height: 1.65;
    opacity: 0.85;
}

.tools-container {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.tool-icon {
    width: 42px;
    height: auto;
    filter: drop-shadow(0 3px 5px rgba(0,0,0,0.25));
}

.project-link {
    display: inline-block;
    margin-top: 18px;
    color: #1a0408;
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
}

.project-link:hover {
    opacity: 0.65;
}

/* --- État d'erreur --- */
.error-msg {
    font-family: 'Poppins', sans-serif;
    padding: 80px 20px;
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

/* ================================================ */
/* RESPONSIVE                                       */
/* ================================================ */

@media (max-width: 1024px) {
    body { padding: 40px 30px 70px; }
    .hero-preview-card { flex: 0 0 320px; width: 320px; height: 190px; }
    .carousel-media { max-height: 480px; }
    .info-card { padding: 28px 24px; }
}

@media (max-width: 900px) {
    .hero { flex-direction: column; align-items: stretch; }
    .hero-preview-card { width: 100%; }
    .grid-section { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    #projet-title { font-size: clamp(2.2rem, 8vw, 3.4rem); }
}

@media (max-width: 600px) {
    body { padding: 25px 18px 55px; }
    .btn-retour { padding: 7px 20px; font-size: 0.85rem; }
    .carousel-card, .info-card { padding: 20px; border-radius: 16px; }
    .carousel-media { aspect-ratio: 3 / 4; max-height: 420px; }
    #carousel-caption { font-size: 1.15rem; margin-top: 16px; }
    .carousel-arrow { width: 36px; height: 36px; font-size: 1.25rem; }
    .projet-description { font-size: 0.92rem; margin-bottom: 40px; }
    .info-block { margin-bottom: 28px; }
}

@media (max-width: 400px) {
    body { padding: 20px 14px 45px; }
    .hero-preview-card { height: 160px; }
    .carousel-card, .info-card { padding: 16px; border-radius: 14px; }
    .tool-icon { width: 36px; }
    .carousel-arrow { width: 32px; height: 32px; font-size: 1.1rem; }
}