/* ============================================
   VARIABLES CSS & RESET
   ============================================ */
:root {
    --primary-dark: #1a1a1a;
    --primary-gold: #d4af37;
    --accent-red: #d9534f;
    --accent-green: #5cb85c;
    --light-cream: #f5f5dc;
    --warm-beige: #e8d4b8;
    --soft-white: #f5e6d3;
    --text-dark: #333;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: url('images/Planier.jpg') fixed center/cover no-repeat;
}

/* Amélioration de la lisibilité */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER NAVIGATION
   ============================================ */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d2d2d 100%);
    color: var(--primary-gold);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.site-title {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-gold);
    letter-spacing: 2px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    color: var(--light-cream);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 12px;
    border-bottom: 2px solid transparent;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--primary-gold);
    border-bottom-color: var(--primary-gold);
}

.nav a:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 4px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(45, 45, 45, 0.8) 100%), url('images/Planier.jpg') fixed center/cover;
    background-blend-mode: multiply;
    color: var(--light-cream);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.hero-logo-tagline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.hero-logo {
    height: 200px;
    width: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.hero-tagline {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-gold);
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 18px;
    margin-bottom: 40px;
    color: var(--light-cream);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-red) 0%, #c9302c 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(217, 83, 79, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(217, 83, 79, 0.6);
    background: linear-gradient(135deg, #c9302c 0%, var(--accent-red) 100%);
}

.cta-button:focus {
    outline: 3px solid var(--primary-gold);
    outline-offset: 3px;
}

.cta-button:active {
    transform: translateY(-1px);
}

/* ============================================
   FEATURES / PRODUCTS SECTION
   ============================================ */
.features {
    padding: 80px 0;
    background: linear-gradient(to bottom, var(--warm-beige) 0%, var(--soft-white) 100%);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-dark);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--accent-red), var(--primary-gold), var(--accent-green));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff8f0;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--primary-gold);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 22px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

.feature-card .price {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-gold);
}

/* ============================================
   REALIZATIONS GALLERY SECTION
   ============================================ */
.realizations {
    padding: 80px 0;
    background: linear-gradient(to bottom, var(--soft-white) 0%, var(--warm-beige) 100%);
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 16px;
    margin-top: -30px;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-item {
    background: #fff8f0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.gallery-item:focus {
    outline: 3px solid var(--primary-gold);
    outline-offset: 3px;
}

.gallery-placeholder {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

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

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

.gallery-item h3 {
    padding: 20px 20px 10px;
    color: var(--primary-dark);
    font-size: 18px;
}

.gallery-item p {
    padding: 0 20px 20px;
    color: #666;
    font-size: 14px;
}

/* ============================================
   QUOTE SECTION
   ============================================ */
.quote-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--warm-beige) 0%, var(--soft-white) 100%);
}

.quote-content {
    max-width: 700px;
    margin: 0 auto;
}

.quote-form {
    background: #fff8f0;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Formulaire (si réactivé ultérieurement) */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-red) 0%, #c9302c 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(217, 83, 79, 0.6);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: 80px 0 0 0;
    background: linear-gradient(to bottom, var(--warm-beige) 0%, var(--soft-white) 100%);
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
    padding-bottom: 60px;
}

.contact-info {
    text-align: center;
    padding: 30px;
    background: #fff8f0;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.contact-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.contact-info h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 18px;
}

.contact-info p {
    color: #666;
    line-height: 1.8;
}

.contact-info a {
    color: var(--primary-gold);
    font-weight: 500;
    transition: var(--transition);
}

.contact-info a:hover {
    color: var(--accent-red);
}

.contact-info a:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

/* ============================================
   MODAL GALLERY
   ============================================ */
.gallery-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.gallery-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--soft-white);
    border-radius: 10px;
    padding: 40px;
    max-width: 900px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        transform: translateY(30px); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0); 
        opacity: 1; 
    }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-dark);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    color: var(--accent-red);
    transform: scale(1.2);
}

.modal-close:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

.modal-title {
    color: var(--primary-dark);
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    padding-right: 40px;
}

.modal-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.modal-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    cursor: pointer;
}

.modal-image:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2d2d2d 100%);
    color: var(--light-cream);
    padding: 40px 0;
    text-align: center;
    margin-top: 0;
    border-top: 3px solid var(--primary-gold);
}

.social-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    color: var(--primary-gold);
    transition: var(--transition);
    font-weight: 500;
}

.social-link:hover {
    color: var(--accent-red);
    transform: scale(1.1);
}

.social-link:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 3px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .hero {
        background-position: 65% center !important;
    }

    .header-content {
        flex-direction: column;
        gap: 20px;
    }

    .nav ul {
        flex-direction: row;
        gap: 6px;
        width: 100%;
        justify-content: center;
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
    }

    .nav li {
        flex-shrink: 0;
    }

    .nav a {
        display: inline-block;
        padding: 10px;
        font-size: 14px;
    }

    .hero-logo-tagline {
        flex-direction: column;
        gap: 20px;
    }

    .hero-logo {
        height: 150px;
    }

    .hero-tagline {
        font-size: 36px;
    }

    .hero-description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .quote-form {
        padding: 25px;
    }

    .contact-info-grid {
        gap: 25px;
    }

    .modal-content {
        padding: 30px 20px;
    }

    .modal-title {
        font-size: 22px;
    }
}

/* Correction de la media query cassée */
@media (max-width: 480px) {
    .site-title {
        font-size: 22px;
    }

    .submit-button {
        padding: 12px 30px;
        font-size: 14px;
    }

    .gallery-placeholder {
        height: 200px;
    }

    .gallery-item h3 {
        font-size: 16px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-tagline {
        font-size: 28px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 14px;
    }

    .modal-images {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITAIRES & PERFORMANCE
   ============================================ */

/* Réduction des animations pour ceux qui préfèrent */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Optimisation du rendu des polices */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Amélioration des performances de scroll */
* {
    scroll-margin-top: 80px;
}