/* ==============================================
   L'OR ÉBÈNE - FEUILLE DE STYLE
   Arts, Culture & Bien-être
   ============================================== */

/* Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --noir-ebene: #2c2c2c;
    --or-lumineux: #f4c430;
    --violet-profond: #6b4c8a;
    --turquoise: #40b5ad;
    --beige-naturel: #e8dcc4;
    --blanc: #ffffff;
}

/* Style global */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--noir-ebene);
    background-color: var(--beige-naturel);
}

/* Header */
header {
    background-color: var(--noir-ebene);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.header-left {
    flex-shrink: 0;
}

.header-logo {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    filter: drop-shadow(0 2px 8px rgba(244, 196, 48, 0.3));
}

.header-center {
    flex-grow: 1;
    text-align: center;
}

.header-title {
    font-size: 2.5rem;
    color: var(--or-lumineux);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.header-tagline {
    font-size: 1rem;
    color: var(--beige-naturel);
    font-style: italic;
    margin: 0;
}

/* Navigation */
nav {
    background-color: rgba(44, 44, 44, 0.95);
    padding: 0.75rem 0;
    border-top: 1px solid rgba(244, 196, 48, 0.2);
}

nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

nav a {
    color: var(--beige-naturel);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 1rem;
    font-weight: 500;
}

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

/* Menu mobile */
.menu-toggle {
    display: none;
    background: none;
    border: 2px solid var(--or-lumineux);
    color: var(--or-lumineux);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 5px;
    transition: all 0.3s;
    flex-shrink: 0;
}

.menu-toggle:hover {
    background-color: var(--or-lumineux);
    color: var(--noir-ebene);
}

/* Hero Section */
.hero {
    position: relative;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--blanc);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('hero-instruments.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(0.6);
    z-index: -1;
}

.hero-content {
    z-index: 1;
    max-width: 900px;
    padding: 2rem;
}

.hero-logo {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--or-lumineux);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--or-lumineux);
    color: var(--noir-ebene);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(244, 196, 48, 0.3);
}

.btn:hover {
    background-color: var(--turquoise);
    color: var(--blanc);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(64, 181, 173, 0.4);
}

/* Sections générales */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--noir-ebene);
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--or-lumineux), var(--turquoise));
}

/* About Section */
.about {
    background-color: var(--blanc);
}

.about-content {
    max-width: 800px;
    margin: 2rem auto;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--noir-ebene);
}

/* Pillars Section */
.pillars {
    background-color: var(--beige-naturel);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pillar-card {
    background-color: var(--blanc);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--or-lumineux), var(--turquoise));
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.pillar-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pillar-card h3 {
    color: var(--violet-profond);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.pillar-card p {
    color: var(--noir-ebene);
    line-height: 1.8;
}

/* Gallery Preview */
.gallery-preview {
    background-color: var(--noir-ebene);
    color: var(--blanc);
}

.gallery-preview .section-title {
    color: var(--or-lumineux);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--violet-profond), var(--turquoise));
    color: var(--blanc);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-secondary {
    background-color: var(--blanc);
    color: var(--violet-profond);
}

.btn-secondary:hover {
    background-color: var(--or-lumineux);
    color: var(--noir-ebene);
}

/* Footer */
footer {
    background-color: var(--noir-ebene);
    color: var(--beige-naturel);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--or-lumineux);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--beige-naturel);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--or-lumineux);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(232, 220, 196, 0.2);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-title {
        font-size: 1.5rem;
    }

    .header-tagline {
        font-size: 0.85rem;
    }

    .header-logo {
        width: 60px;
        height: 60px;
    }

    .header-container {
        padding: 0 1rem;
    }

    .menu-toggle {
        display: block;
    }

    nav {
        position: relative;
    }

    nav ul {
        display: none;
        flex-direction: column;
        gap: 0;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--noir-ebene);
        padding: 1rem 0;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        padding: 0.75rem 2rem;
        border-bottom: 1px solid rgba(244, 196, 48, 0.1);
    }

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

    .hero {
        height: 50vh;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}