/**
 * La Bigoudène - Crêperie Bretonne
 * Design moderne inspiré de la Bretagne
 * Optimisé pour performance et accessibilité
 */

/* ============================================
   CSS Variables - Thème Breton
   ============================================ */
:root {
    /* Couleurs principales */
    --color-primary: #1a1a2e;      /* Bleu nuit breton */
    --color-secondary: #d4a84b;    /* Or/miel des crêpes */
    --color-accent: #c17817;       /* Caramel */
    --color-light: #f8f5f0;        /* Crème */
    --color-dark: #0f0f1a;
    --color-text: #2d2d2d;
    --color-text-light: #6b6b6b;
    --color-white: #ffffff;
    --color-success: #2d7d46;
    --color-error: #c62828;
    
    /* Typographie */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-accent: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Espacements */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    
    /* Bordures */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

.title-display {
    font-family: var(--font-accent);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-secondary);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.title-section {
    font-family: var(--font-accent);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.subtitle {
    font-family: var(--font-accent);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 300;
    font-style: italic;
    color: var(--color-white);
    opacity: 0.95;
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-2xl) 0;
}

.section--dark {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.text-center {
    text-align: center;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: background-color var(--transition-base), padding var(--transition-base);
}

.header--scrolled {
    background-color: rgba(26, 26, 46, 0.98);
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-lg);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__lang {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: 0.875rem;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.lang-switch:hover {
    opacity: 1;
}

.lang-switch img {
    width: 20px;
    height: 15px;
    border-radius: 2px;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    color: var(--color-white);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: currentColor;
    transition: transform var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidenav */
.sidenav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--color-dark);
    z-index: 1001;
    transition: right var(--transition-base);
    padding: var(--space-2xl) var(--space-lg);
}

.sidenav.open {
    right: 0;
}

.sidenav__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 2rem;
    color: var(--color-white);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.sidenav__close:hover {
    opacity: 1;
}

.sidenav__nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.sidenav__link {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    color: var(--color-white);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.sidenav__link:hover {
    color: var(--color-secondary);
    padding-left: var(--space-sm);
}

.overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(15, 15, 26, 0.6), rgba(15, 15, 26, 0.7)),
                url('../img/banner-bg.jpg') center/cover no-repeat fixed;
}

/* WebP support pour le hero */
.webp .hero {
    background: linear-gradient(rgba(15, 15, 26, 0.6), rgba(15, 15, 26, 0.7)),
                url('../img/banner-bg.webp') center/cover no-repeat fixed;
}

.hero__content {
    position: relative;
    z-index: 1;
    padding: var(--space-lg);
}

.hero__tagline {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: var(--color-white);
    letter-spacing: 0.1em;
    margin-top: var(--space-md);
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

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

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

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about__badge {
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.about__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.about__feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
}

.about__image {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-secondary);
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
    height: auto;
}

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

.menu__intro {
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    text-align: center;
    color: var(--color-text-light);
}

/* Filtres catégories */
.menu__filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--color-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    background-color: transparent;
    transition: all var(--transition-fast);
}

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

/* Grille menu */
.menu__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.menu__category {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.menu__category-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-primary);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-secondary);
}

.menu__subcategory {
    margin-top: var(--space-md);
}

.menu__subcategory-title {
    font-size: 1rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: var(--space-sm);
}

/* Items menu */
.menu__item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--space-sm) 0;
    border-bottom: 1px dotted rgba(0,0,0,0.1);
}

.menu__item:last-child {
    border-bottom: none;
}

.menu__item-info {
    flex: 1;
    padding-right: var(--space-md);
}

.menu__item-name {
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
}

.menu__item-desc {
    font-size: 0.8rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 2px;
}

.menu__item-price {
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

.menu__note {
    margin-top: var(--space-xl);
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

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

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr 2fr;
    }
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact__block {
    display: flex;
    gap: var(--space-md);
}

.contact__icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-white);
}

.contact__icon--phone {
    background-color: #fecc17;
}

.contact__icon--hours {
    background-color: #ccdb38;
}

.contact__icon--form {
    background-color: #f04e4e;
}

.contact__block-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.contact__block-content {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.contact__block-content a {
    color: var(--color-secondary);
    font-weight: 600;
}

.contact__block-content a:hover {
    text-decoration: underline;
}

/* Alerte fermeture temporaire */
.hours-alert {
    background-color: #fff3cd;
    color: #856404;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid #ffc107;
    margin-bottom: var(--space-md);
    font-weight: 600;
}

/* Formulaire */
.contact__form {
    background-color: var(--color-light);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

@media (min-width: 480px) {
    .form__row--2 {
        grid-template-columns: 1fr 1fr;
    }
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.form__input,
.form__textarea {
    padding: var(--space-md);
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(212, 168, 75, 0.2);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__note {
    font-size: 0.75rem;
    color: var(--color-error);
    margin-bottom: var(--space-md);
}

.form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-secondary);
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.form__submit:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.form__message {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    display: none;
}

.form__message--success {
    background-color: #d4edda;
    color: var(--color-success);
    border: 1px solid #c3e6cb;
}

.form__message--error {
    background-color: #f8d7da;
    color: var(--color-error);
    border: 1px solid #f5c6cb;
}

.form__message.show {
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__inner {
    text-align: center;
}

.footer__logo {
    font-family: var(--font-accent);
    font-size: 2.5rem;
    font-style: italic;
    color: var(--color-secondary);
    margin-bottom: var(--space-md);
}

.footer__address {
    font-style: normal;
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.footer__map {
    margin: var(--space-lg) auto;
    max-width: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.footer__map iframe {
    width: 100%;
    height: 200px;
    border: none;
}

.footer__social {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    color: var(--color-white);
    font-size: 1.25rem;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-secondary);
    transform: scale(1.1);
}

.footer__copyright {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-fast);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background-color: var(--color-secondary);
}

/* ============================================
   Utilities
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--color-white);
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Media Queries
   ============================================ */
@media (max-width: 767px) {
    .menu__grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        background-attachment: scroll;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    .header, .sidenav, .overlay, .back-to-top, .contact__form {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-lg);
        background: var(--color-light);
    }
    
    .section {
        padding: var(--space-md) 0;
    }
}
.grecaptcha-badge {
    visibility: hidden;
}