:root {
    --primary: #5A1E2B;
    --primary-light: #7E2A3C;
    --gold: #C5A059;
    --gold-light: #DFB86C;
    --bg-main: #FDFBF8;
    --bg-card: #FFFFFF;
    --text-main: #2C2A29;
    --text-muted: #6B6866;
    --border: #E8E2D9;
    
    --shadow-soft: 0 10px 30px rgba(44, 42, 41, 0.05);
    --shadow-hover: 0 15px 40px rgba(90, 30, 43, 0.1);
    --radius: 4px;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--bg-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { 
    font-family: var(--font-heading); 
    color: var(--primary); 
    font-weight: 600; 
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.mt-3 { margin-top: 1rem; } .mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; } .mx-auto { margin-left: auto; margin-right: auto; }
.text-right { text-align: right; }

.divider-gold {
    width: 60px;
    height: 2px;
    background-color: var(--gold);
    margin: 15px 0 20px 0;
}

/* Force le centrage horizontal quand mx-auto est présent */
.divider-gold.mx-auto, .mx-auto {
    margin-left: auto !important;
    margin-right: auto !important;
}

.gold-link { color: var(--gold); text-decoration: none; font-weight: 700; transition: color 0.3s; }
.gold-link:hover { color: var(--primary); }

/* Flash Info Banner */
.flash-banner {
    width: 100%;
    background-color: var(--primary);
    color: #ffffff;
    font-size: 0.9rem;
    padding: 10px 0;
    position: relative;
    z-index: 1001;
    border-bottom: 2px solid var(--gold);
    box-sizing: border-box;
}

.flash-banner.warning {
    background-color: #7E2A3C;
}

.flash-banner.alert {
    background-color: #8B1E1E;
}

.flash-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.flash-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
}

.flash-icon img {
    display: block;
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.flash-message {
    flex: 1;
    text-align: center;
    font-weight: 400;
    color: #ffffff;
}

.flash-link {
    color: var(--gold-light);
    font-weight: 700;
    text-decoration: underline;
    margin-left: 8px;
    transition: color 0.2s;
}

.flash-link:hover {
    color: #ffffff;
}

/* Header */
.site-header { 
    background: var(--bg-card); 
    border-bottom: 1px solid var(--border);
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.header-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo a { display: flex; align-items: center; gap: 15px; text-decoration: none; color: var(--primary); }
.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain; /* Empêche l'image de se déformer */
}
.logo h1 { font-size: 2rem; margin: 0; line-height: 1; letter-spacing: 1px; }
.logo span { font-size: 0.8rem; color: var(--text-muted); font-family: var(--font-body); text-transform: uppercase; letter-spacing: 1px; }

.main-nav .nav-links { list-style: none; display: flex; gap: 30px; }
.main-nav a { 
    text-decoration: none; 
    color: var(--text-muted); 
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s; 
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary); border-bottom-color: var(--gold); }
.menu-toggle { display: none; }

/* Main Content */
.site-content { flex: 1; }

/* Buttons */
.btn { 
    display: inline-block; padding: 12px 28px; 
    border-radius: var(--radius); text-decoration: none; 
    font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px;
    transition: all 0.3s ease; text-align: center; border: 1px solid transparent; 
}
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--primary); }
.btn-outline-primary { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline-primary:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Hero Section */
.hero {
    position: relative;
    overflow: hidden;
    background: url('../img/hero-vignoble.jpg') no-repeat center center;
    background-color: var(--primary);
    background-size: cover;
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

/*
 * Couche de transition utilisée par l'easter-egg.
 * L'image alternative est placée dans ::before afin de pouvoir
 * faire varier son opacité sans tenter d'animer background-image.
 */
.hero::before,
.page-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    opacity: 0;
    transition: opacity 900ms ease-in-out;
    pointer-events: none;
    z-index: 1;
}

.hero::before {
    background-image: url('../img/hero-vignoble-white.jpg');
}

.hero.easter-egg-active::before,
.page-header.easter-egg-active::before {
    opacity: 1;
}

.hero-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(44, 42, 41, 0.7), rgba(90, 30, 43, 0.85));
    z-index: 2;
}

.hero-content { position: relative; z-index: 10; display: flex; flex-direction: column; align-items: center; }
.hero-subtitle { font-family: var(--font-body); text-transform: uppercase; letter-spacing: 3px; color: var(--gold); font-size: 0.9rem; margin-bottom: 10px; }
.hero h2 { color: #fff; font-size: 3.5rem; margin-bottom: 10px; font-weight: 400; line-height: 1.2; }
.hero p { font-size: 1.1rem; max-width: 600px; color: #f0f0f0; }

/* Home Alerts */
.home-alerts { margin-top: -50px; position: relative; z-index: 20; }
.alert-box { 
    background: var(--bg-card); 
    border-radius: var(--radius); 
    padding: 40px; 
    box-shadow: var(--shadow-soft); 
    border-top: 4px solid var(--gold);
    text-align: center;
}
.alert-label { display: inline-block; background: var(--bg-main); color: var(--primary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; padding: 4px 12px; border: 1px solid var(--border); margin-bottom: 15px; }
.alert-meta { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; }
.dates-wrapper { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; margin: 20px 0; }
.date-badge { 
    border: 1px solid var(--gold); 
    color: var(--primary); 
    padding: 8px 20px; 
    font-weight: 700;
    font-size: 1.1rem;
    background: #fff;
    box-shadow: 0 2px 5px rgba(197, 160, 89, 0.1);
}
.reminder { font-family: var(--font-heading); font-style: italic; color: var(--primary-light); font-size: 1.1rem; border-top: 1px solid var(--border); padding-top: 20px; margin-top: 20px; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

/* Cards */
.quick-links { padding: 80px 20px; }
.elegant-card { 
    background: var(--bg-card); 
    padding: 50px 40px; 
    border: 1px solid var(--border);
    text-align: center; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.elegant-card:hover { 
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--gold-light);
}
.card-icon { font-size: 3rem; margin-bottom: 20px; opacity: 0.8; }
.elegant-card h3 { font-size: 1.6rem; margin-bottom: 15px; }
.elegant-card p { margin-bottom: 30px; color: var(--text-muted); }

/* Style de base des entêtes de page */
.page-header {
    position: relative;
    overflow: hidden;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: var(--primary);
    padding: 60px 20px;
    margin-bottom: 60px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

/* Alignement typographique strict avec la page d'accueil */
.page-header h2 { 
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff; 
    margin-bottom: 10px; 
}

.page-header p { 
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: #e0e0e0; 
    font-weight: 400;
}

/* Image spécifique pour chaque page avec le filtre sombre */
.page-header.header-plans {
    background-image: linear-gradient(rgba(44, 42, 41, 0.75), rgba(90, 30, 43, 0.85)), url('../img/header-plans.jpg');
}

.page-header.header-docs {
    background-image: linear-gradient(rgba(44, 42, 41, 0.75), rgba(90, 30, 43, 0.85)), url('../img/header-docs.jpg');
}

.page-header.header-contact {
    background-image: linear-gradient(rgba(44, 42, 41, 0.75), rgba(90, 30, 43, 0.85)), url('../img/header-contact.jpg');
}

/* Les contenus restent au-dessus de la couche d'image alternative. */
.page-header > .container {
    position: relative;
    z-index: 10;
}

/* Images alternatives utilisées par l'easter-egg, avec le même filtre visuel. */
.page-header.header-plans::before {
    background-image: linear-gradient(rgba(44, 42, 41, 0.75), rgba(90, 30, 43, 0.85)), url('../img/header-plans-white.jpg');
}

.page-header.header-docs::before {
    background-image: linear-gradient(rgba(44, 42, 41, 0.75), rgba(90, 30, 43, 0.85)), url('../img/header-docs-white.jpg');
}

.page-header.header-contact::before {
    background-image: linear-gradient(rgba(44, 42, 41, 0.75), rgba(90, 30, 43, 0.85)), url('../img/header-contact-white.jpg');
}

/* Tables */
.page-section { margin-bottom: 80px; }
.table-container { background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.elegant-table { width: 100%; border-collapse: collapse; }
.elegant-table th, .elegant-table td { padding: 20px; border-bottom: 1px solid var(--border); }
.elegant-table th { background: var(--bg-main); font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600; color: var(--primary); text-align: left; }
.elegant-table tr:hover { background: #faf8f5; }
.appellation-name { font-weight: 700; color: var(--text-main); font-size: 1.05rem; }
.version-badge { background: var(--bg-main); border: 1px solid var(--border); padding: 4px 10px; font-size: 0.85rem; color: var(--text-muted); font-family: monospace; }
.btn-download { color: var(--gold); text-decoration: none; font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px; transition: color 0.3s; }
.btn-download:hover { color: var(--primary); }

/* Document Lists */
.doc-card, .contact-card { background: var(--bg-card); padding: 40px; border: 1px solid var(--border); }
.doc-card.full-width { grid-column: 1 / -1; }
.doc-card h3, .contact-card h3 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 15px; margin-bottom: 25px; }
.note { font-style: italic; color: var(--text-muted); margin-bottom: 20px; }
.note a { color: var(--primary); font-weight: bold; }

.elegant-list { list-style: none; }
.elegant-list li { margin-bottom: 15px; position: relative; padding-left: 20px; }
.elegant-list li::before { content: "•"; color: var(--gold); position: absolute; left: 0; font-size: 1.2rem; top: -2px; }
.elegant-list a { color: var(--text-main); text-decoration: none; transition: color 0.3s; }
.elegant-list a:hover { color: var(--primary); }

.mentions-legales { background: transparent; border-top: 1px solid var(--border); padding-top: 40px; font-size: 0.9rem; color: var(--text-muted); }

/* Footer */
.site-footer { background: var(--text-main); color: #fff; padding-top: 60px; margin-top: auto; border-top: 4px solid var(--primary); }
.footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-col h3 { color: var(--gold); font-size: 1.3rem; margin-bottom: 20px; }
.footer-col p { margin-bottom: 10px; color: #d0d0d0; }

/* Liens standard dans le footer */
.footer-col a:not(.btn-link) { 
    color: #fff; 
    text-decoration: none; 
    transition: color 0.3s; 
    border-bottom: 1px solid transparent; 
}
.footer-col a:not(.btn-link):hover { 
    color: var(--gold); 
    border-bottom-color: var(--gold); 
}

/* Bouton spécifique dans le footer (Fix de la bordure du bas) */
.footer-col a.btn-link, .btn-link { 
    display: inline-block; 
    margin-top: 15px; 
    padding: 10px 18px; 
    border: 1px solid var(--gold) !important; 
    font-size: 0.85rem; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    color: var(--gold) !important; 
    text-decoration: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
}
.footer-col a.btn-link:hover, .btn-link:hover { 
    background: var(--gold); 
    color: var(--text-main) !important; 
    border-color: var(--gold) !important;
}

.footer-bottom { background: #22201f; padding: 20px 0; text-align: center; font-size: 0.85rem; color: #888; }
.footer-bottom a { color: #aaa; text-decoration: none; }

/* Responsive Mobile Toggle Overlay */
@media (max-width: 768px) {
    .flash-banner { padding: 12px 0; }
    .flash-container { padding: 0 15px; }
    .flash-message { font-size: 0.825rem; text-align: left; line-height: 1.35; }
    .header-container { padding: 10px 15px; }
    .logo h1 { font-size: 1.3rem; }
    .logo span { display: none; }

    .menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.6rem;
        color: var(--primary);
        cursor: pointer;
        padding: 5px;
        line-height: 1;
    }

    .main-nav .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        flex-direction: column;
        padding: 0;
        gap: 0;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        border-bottom: 3px solid var(--gold);
        z-index: 999;
    }

    .main-nav .nav-links.active {
        display: flex;
    }

    .main-nav .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    .main-nav .nav-links li:last-child {
        border-bottom: none;
    }

    .main-nav a {
        display: block;
        padding: 12px 20px;
        font-size: 0.9rem;
        border-bottom: none !important;
    }

    .hero { padding: 40px 15px; }
    .hero h2 { font-size: 1.8rem; }
    .page-header { padding: 35px 15px; margin-bottom: 30px; }
    .page-header h2 { font-size: 1.6rem; }
    .page-header p { font-size: 0.95rem; line-height: 1.4; }
    .grid-2 { grid-template-columns: 1fr; gap: 20px; }
    .alert-box { padding: 20px 15px; }
    .elegant-card { padding: 30px 20px; }
    .elegant-table th, .elegant-table td { padding: 10px; font-size: 0.9rem; }
    .hero { padding: 40px 15px 50px 15px; }
    .home-alerts { margin-top: 25px; }
}

/* Accessibilité : respecter la préférence utilisateur pour réduire les animations. */
@media (prefers-reduced-motion: reduce) {
    .hero::before,
    .page-header::before {
        transition: none;
    }
}

@media (max-width: 768px) {
  .date-calendar-trigger {
    appearance:none; -webkit-appearance:none; border:0; cursor:pointer;
    font:inherit; color:inherit;
  }
  .calendar-modal { position:fixed; inset:0; z-index:9999; display:none; }
  .calendar-modal.is-open { display:block; }
  .calendar-modal__backdrop { position:absolute; inset:0; background:rgba(0,0,0,.55); }
  .calendar-modal__panel {
    position:absolute; left:16px; right:16px; bottom:16px;
    background:#fff; border-radius:16px; padding:24px;
    box-shadow:0 12px 40px rgba(0,0,0,.25);
  }
  .calendar-modal__close {
    position:absolute; top:8px; right:12px; border:0; background:transparent;
    font-size:30px; line-height:1; color:#555;
  }
  .calendar-modal__add {
    width:100%; margin-top:18px; padding:13px 16px;
    border:0; border-radius:8px; font:inherit; font-weight:700;
  }
}


@media (min-width: 769px) {
  .date-calendar-trigger {
    cursor: default;
    pointer-events: none;
  }

  .calendar-modal {
    display: none !important;
  }
}