* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2c2c2c;
    --secondary: #8b7355;
    --accent: #d4af37;
    --light: #f8f6f3;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--primary);
    background: var(--white);
    line-height: 1.6;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    z-index: 9999;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.skip-link:focus {
    top: 1rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    padding: 1.5rem 5%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--primary);
    text-transform: uppercase;
}

.logo span {
    color: var(--accent);
    font-weight: 400;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 300;
    letter-spacing: 1px;
    transition: color 0.3s;
    text-transform: uppercase;
    font-size: 0.9rem;
}

nav a:hover {
    color: var(--accent);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--primary);
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--light) 0%, #e8e4df 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 5px;
    margin-bottom: 1rem;
    color: var(--primary);
    text-transform: uppercase;
}

.hero-content h1 span {
    color: var(--accent);
    font-weight: 400;
}

.hero-content p {
    font-size: 1.3rem;
    color: var(--secondary);
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: all 0.3s;
    border: 2px solid var(--primary);
}

.cta-button:hover {
    background: transparent;
    color: var(--primary);
}

/* Section commune */
section {
    padding: 5rem 5%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    margin-bottom: 3rem;
    text-transform: uppercase;
    color: var(--primary);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 2px;
    background: var(--accent);
    margin: 1rem auto;
}

/* Galerie */
#galerie {
    background: var(--light);
}

.filter-buttons {
    text-align: center;
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--secondary);
    padding: 0.7rem 2rem;
    margin: 0.5rem;
    cursor: pointer;
    color: var(--secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    max-height: calc(2 * (280px * 4 / 3) + 2rem);
    overflow-y: auto;
    scrollbar-gutter: stable;
}

.gallery-grid::-webkit-scrollbar {
    width: 6px;
}

.gallery-grid::-webkit-scrollbar-track {
    background: var(--light);
}

.gallery-grid::-webkit-scrollbar-thumb {
    background: var(--secondary);
}

.gallery-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--secondary);
    font-style: italic;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: var(--white);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-item:hover,
.gallery-item:focus-visible {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 1.5rem;
    color: var(--white);
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover .gallery-overlay,
.gallery-item:focus-visible .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 0.3rem;
}

.gallery-overlay p {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--white);
}

/* Touch devices — show overlay permanently */
@media (hover: none) {
    .gallery-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    }

    .gallery-item:active {
        transform: scale(0.97);
    }
}

/* Localisation */
#localisation {
    background: var(--white);
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.location-info h3 {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    color: var(--primary);
    text-transform: uppercase;
}

.info-item {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
}

.info-item::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.2rem;
}

.info-item strong {
    display: block;
    color: var(--secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
}

.map-container {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--light);
    border: 1px solid #e0e0e0;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    display: block;
}

/* Footer */
footer {
    background: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 2rem 5%;
}

footer p {
    letter-spacing: 1px;
    font-weight: 300;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem 1rem;
}

.lightbox-close:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.lightbox-info {
    color: var(--white);
    text-align: center;
    margin-top: 1rem;
}

.lightbox-info h3 {
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.lightbox-info p {
    color: var(--accent);
    font-weight: 300;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    nav {
        padding: 1rem 3%;
    }

    .logo {
        font-size: 1.4rem;
        letter-spacing: 2px;
    }

    .menu-toggle {
        display: block;
    }

    nav ul {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    nav ul.active {
        max-height: 400px;
    }

    nav ul li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
    }

    nav ul li:last-child {
        border-bottom: none;
    }

    nav a {
        display: block;
        padding: 1.2rem;
        font-size: 0.95rem;
    }

    .hero {
        padding: 0 3%;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        letter-spacing: 3px;
    }

    .hero-content p {
        font-size: 1rem;
    }

    section {
        padding: 3rem 3%;
    }

    .section-title {
        font-size: 2rem;
    }

    .filter-buttons {
        padding: 0;
    }

    .filter-btn {
        padding: 0.6rem 1.2rem;
        margin: 0.3rem;
        font-size: 0.8rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
        max-height: calc(2 * (150px * 4 / 3) + 1rem);
    }

    .location-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .map-container {
        aspect-ratio: 4/3;
    }

    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 0.85rem;
    }

    footer {
        padding: 2rem 3%;
    }
}