:root {
    --bg-color: #050509;
    --accent: #a418d7;
    --accent-soft: #3b104f;
    --text-main: #f5f5f5;
    --text-muted: #b3b3b3;
    --border-subtle: #262335;
    --danger: #ff4b81;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.65);
    --transition-fast: 0.18s ease-out;
    --transition-med: 0.25s ease-out;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top, #120018 0, #050509 55%, #000000 100%);
    color: var(--text-main);
    font-family: var(--font-main);
    scroll-behavior: smooth;
}

/* Layout global */

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 3rem auto;
    padding: 0 1.5rem;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.82), transparent);
    border-bottom: 1px solid rgba(164, 24, 215, 0.25);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 0, #ffb3ff 0, #a418d7 40%, #3b104f 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.logo-text {
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-main);
}

.main-nav {
    display: flex;
    gap: 1.25rem;
    font-size: 0.9rem;
}

.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    position: relative;
    padding-bottom: 0.2rem;
    transition: color var(--transition-fast);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #ffb3ff, var(--accent));
    transition: width var(--transition-fast);
}

.main-nav a:hover {
    color: var(--text-main);
}

.main-nav a:hover::after {
    width: 100%;
}

/* Hero */

.hero {
    display: flex;
    align-items: center;
    min-height: 60vh;
    padding: 3rem 0 2rem 0;
}

.hero-content {
    max-width: 620px;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    margin: 0 0 1rem 0;
    letter-spacing: 0.04em;
}

.hero p {
    margin: 0 0 1.8rem 0;
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 520px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    border: 1px solid rgba(164, 24, 215, 0.7);
    background: radial-gradient(circle at 0 0, #ffb3ff 0, #a418d7 40%, #3b104f 100%);
    color: #050509;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-1px) scale(1.01);
    filter: brightness(1.05);
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.8);
}

/* Sections */

.section {
    margin-top: 3rem;
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at top left, rgba(164, 24, 215, 0.18), transparent 55%),
                radial-gradient(circle at bottom right, rgba(59, 16, 79, 0.4), transparent 60%),
                rgba(8, 8, 16, 0.96);
    border: 1px solid rgba(38, 35, 53, 0.9);
    box-shadow: var(--shadow-soft);
}

.section h2 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 1.4rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-subtitle {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Filtres */

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.filter-btn {
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: rgba(10, 10, 18, 0.9);
    color: var(--text-muted);
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.filter-btn:hover {
    border-color: rgba(164, 24, 215, 0.7);
    color: var(--text-main);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: radial-gradient(circle at 0 0, #ffb3ff 0, #a418d7 40%, #3b104f 100%);
    color: #050509;
    border-color: transparent;
}

/* Galerie */

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #050509;
    border: 1px solid rgba(38, 35, 53, 0.9);
    cursor: pointer;
    transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-med), filter var(--transition-med);
}

.gallery-item figcaption {
    padding: 0.6rem 0.75rem 0.7rem 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.gallery-item::after {
    content: "Voir";
    position: absolute;
    right: 0.6rem;
    bottom: 0.6rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(5, 5, 9, 0.9);
    border: 1px solid rgba(164, 24, 215, 0.7);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-main);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity var(--transition-med), transform var(--transition-med);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
    border-color: rgba(164, 24, 215, 0.8);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

.gallery-item:hover::after {
    opacity: 1;
    transform: translateY(0);
}

/* Services */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
}

.service-card {
    padding: 1rem;
    border-radius: var(--radius-md);
    background: rgba(10, 10, 18, 0.96);
    border: 1px solid rgba(38, 35, 53, 0.9);
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.service-card h3 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 1rem;
}

.service-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.service-card:hover {
    border-color: rgba(164, 24, 215, 0.8);
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.85);
}

/* À propos */

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr);
    gap: 1.5rem;
}

.about-layout p {
    margin-top: 0;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
}

/* Formulaire de contact */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-field label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    background: rgba(10, 10, 18, 0.96);
    color: var(--text-main);
    padding: 0.55rem 0.7rem;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-field textarea {
    resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: #66637a;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: rgba(164, 24, 215, 0.9);
    box-shadow: 0 0 0 1px rgba(164, 24, 215, 0.4);
    background: rgba(12, 12, 22, 1);
}

/* Footer */

.site-footer {
    margin-top: auto;
    padding: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Lightbox */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(2, 2, 6, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 50;
    padding: 1.5rem;
}

.lightbox.open {
    display: flex;
}

.lightbox-image {
    max-width: min(100%, 960px);
    max-height: 70vh;
    border-radius: var(--radius-md);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.95);
    border: 1px solid rgba(164, 24, 215, 0.7);
    object-fit: contain;
    background: #050509;
}

.lightbox-caption {
    margin-top: 0.8rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 960px;
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid rgba(164, 24, 215, 0.7);
    background: rgba(5, 5, 9, 0.95);
    color: var(--text-main);
    font-size: 1.2rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--danger);
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.9);
}

/* Responsive */

@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .main-nav {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .hero {
        min-height: 50vh;
        padding-top: 2rem;
    }

    .section {
        padding: 1.5rem 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .gallery-item img {
        height: 190px;
    }
}

.lang-switcher {
    display: flex;
    gap: 0.4rem;
}

.lang-switcher button {
    background: transparent;
    border: 1px solid #a418d7;
    border-radius: 6px;
    padding: 0.2rem;
    cursor: pointer;
    transition: 0.2s;
}

.lang-switcher button:hover {
    background: #a418d7;
}

.lang-switcher img {
    width: 22px;
    height: 16px;
    display: block;
}

.contact-block {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.contact-photo img {
    width: 220px;
    height: auto;
    border-radius: 12px;
    border: 1px solid rgba(164, 24, 215, 0.6);
    box-shadow: 0 18px 40px rgba(0,0,0,0.7);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-line {
    font-size: 1.1rem;
}

.contact-line a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.contact-line a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .contact-photo img {
        width: 100%;
        max-width: 300px;
    }
}

/* Par défaut : paysage */
.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

/* Portrait : on évite de couper */
.gallery-item.portrait img {
    object-fit: contain;
    background: #000;
    height: 260px;
}

/* Paysage : on garde le cover */
.gallery-item.landscape img {
    object-fit: cover;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(164, 24, 215, 0.7);
    background: rgba(5, 5, 9, 0.85);
    color: var(--text-main);
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--accent);
    color: #050509;
}

.lightbox-prev {
    left: 1rem;
}

.lightbox-next {
    right: 1rem;
}

/* Transition image */
.lightbox-image {
    transition: opacity 0.25s ease-out;
}