/* ============================================
   FICHIER: style.css
   DESCRIPTION: Styles CSS personnalisés pour Le Descartes
   Auteur: Développeur Web Senior
   Date: 2024
   ============================================ */

/* ============================================
   TABLE DES MATIÈRES:
   1. Variables CSS (Custom Properties)
   2. Reset & Base Styles
   3. Typography
   4. Layout (Navbar, Sections, Footer)
   5. Components (Cards, Buttons, Forms)
   6. Animations & Transitions
   7. Utilities & Helpers
   8. Media Queries (Responsive)
   ============================================ */

/* ============================================
   1. VARIABLES CSS (CUSTOM PROPERTIES)
   ============================================ */
:root {
    /* Palette de couleurs - Moderne-Vintage */
    --color-primary: #8B2635;        /* Bordeaux/Grenat */
    --color-secondary: #D4AF37;      /* Or ancien */
    --color-accent: #F5F5DC;         /* Crème/Beige */
    --color-text: #2C2C2C;           /* Charbon */
    --color-text-light: #6C6C6C;     /* Gris moyen */
    --color-bg: #FAFAFA;              /* Blanc cassé */
    --color-bg-light: #E8E8E8;       /* Gris clair */
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-cubic: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(139, 38, 53, 0.15);
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6B1D2A;
}

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

a:hover {
    color: var(--color-secondary);
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-text);
}

/* ============================================
   4. LAYOUT
   ============================================ */

/* Navbar */
.navbar {
    background-color: var(--color-primary);
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.navbar.scrolled {
    padding: var(--spacing-xs) 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    display: flex;
    flex-direction: column;
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--color-white);
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.navbar-brand:hover {
    color: var(--color-secondary);
    transform: scale(1.05);
}

.brand-name {
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.75rem;
    font-weight: 400;
    font-family: var(--font-sans);
    opacity: 0.9;
    letter-spacing: 1px;
}

.navbar-nav .nav-link {
    color: var(--color-white);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: 0 var(--spacing-xs);
    position: relative;
    transition: color var(--transition-normal);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-normal);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-secondary);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

.navbar-toggler {
    border: 2px solid var(--color-white);
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background-image: url('img/ledescartes.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(139, 38, 53, 0.7);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-family: var(--font-serif);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.hero-scroll-indicator a {
    color: var(--color-white);
    font-size: 2rem;
    opacity: 0.8;
    transition: opacity var(--transition-normal);
}

.hero-scroll-indicator a:hover {
    opacity: 1;
    color: var(--color-secondary);
}

/* Sections générales */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--color-secondary);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

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

.about-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.about-image-wrapper img {
    transition: transform var(--transition-slow);
}

.about-image-wrapper:hover img {
    transform: scale(1.05);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    background-color: var(--color-accent);
    transform: translateX(5px);
}

.feature-item i {
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.feature-item span {
    font-weight: 500;
    color: var(--color-text);
}

/* Section Menu */
.section-menu {
    background-color: var(--color-bg);
}

.menu-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-sans);
}

.filter-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.category-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-secondary);
}

.menu-card {
    border: 2px solid transparent;
    transition: all var(--transition-cubic);
    background: var(--color-white);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    height: 100%;
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transition: left 0.5s;
}

.menu-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-xl);
}

.menu-card:hover::before {
    left: 100%;
}

.menu-card .card-title {
    color: var(--color-primary);
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.menu-card .card-text {
    font-size: 0.9rem;
    line-height: 1.6;
}

.menu-card .badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    font-weight: 600;
}

.menu-item {
    animation: fadeIn 0.5s ease-out;
}

.menu-category {
    animation: fadeIn 0.5s ease-out;
}

/* Section Gallery */
.section-gallery {
    background-color: var(--color-white);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(139, 38, 53, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

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

.gallery-overlay i {
    color: var(--color-white);
    font-size: 2.5rem;
    transform: scale(0);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

/* Section Contact */
.section-contact {
    background-color: var(--color-bg);
}

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    height: 100%;
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.contact-details h5 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.contact-details p {
    margin-bottom: 0;
    color: var(--color-text-light);
}

.contact-details a {
    color: var(--color-text-light);
    transition: color var(--transition-normal);
}

.contact-details a:hover {
    color: var(--color-primary);
}

.map-wrapper {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-wrapper iframe {
    width: 100%;
    border: none;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.footer-subtitle {
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-normal);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
    padding: 0;
}

.footer-contact li {
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-normal);
    text-decoration: none;
}

.footer-contact a:hover {
    color: var(--color-secondary);
}

.footer-contact i {
    color: var(--color-secondary);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-hours {
    color: rgba(255, 255, 255, 0.8);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-legal {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-legal:hover {
    color: var(--color-secondary);
}

/* ============================================
   5. COMPONENTS (CARDS, BUTTONS, FORMS)
   ============================================ */

/* Buttons */
.btn {
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: #6B1D2A;
    border-color: #6B1D2A;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
}

/* Forms */
.form-label {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-sans);
}

.form-control,
.form-select {
    border: 2px solid var(--color-bg-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    transition: all var(--transition-normal);
    font-family: var(--font-sans);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(139, 38, 53, 0.25);
    outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: none;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
    display: block;
}

/* Alerts */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* ============================================
   6. ANIMATIONS & TRANSITIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Classes d'animation pour scroll */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

/* ============================================
   7. UTILITIES & HELPERS
   ============================================ */
.text-primary {
    color: var(--color-primary) !important;
}

.text-secondary {
    color: var(--color-secondary) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

.bg-secondary {
    background-color: var(--color-secondary) !important;
}

.shadow-custom {
    box-shadow: var(--shadow-xl);
}

/* ============================================
   8. MEDIA QUERIES (RESPONSIVE)
   ============================================ */

/* Tablettes */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .menu-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        width: 100%;
    }
}

/* Mobiles */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .brand-subtitle {
        font-size: 0.65rem;
    }
    
    .contact-form-wrapper,
    .contact-info {
        padding: var(--spacing-md);
    }
    
    .hero-section {
        background-attachment: scroll;
        min-height: 500px;
    }
    
    .gallery-item {
        margin-bottom: var(--spacing-sm);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer-links,
    .footer-contact {
        text-align: left;
    }
}

/* Petits mobiles */
@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .category-title {
        font-size: 1.5rem;
    }
    
    .menu-card .card-title {
        font-size: 1.1rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin: 0 auto;
    }
}

/* Impression */
@media print {
    .navbar,
    .hero-scroll-indicator,
    .hero-buttons,
    .contact-form-wrapper,
    .footer {
        display: none;
    }
    
    .hero-section {
        height: auto;
        min-height: auto;
        padding: 2rem 0;
    }
    
    section {
        page-break-inside: avoid;
    }
}