/* ==================== CSS Variables ==================== */
:root {
    --wine-red: #722F37;
    --wine-dark: #4A1F24;
    --burgundy: #800020;
    --gold: #D4AF37;
    --copper: #B87333;
    --cream: #F5F1E8;
    --paper: #FDFBF7;
    --charcoal: #2C2C2C;
    
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    --container-max: 1200px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--charcoal);
    background-color: var(--paper);
    overflow-x: hidden;
}

section {
    scroll-margin-top: 120px;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
}

/* ==================== Skip Link ==================== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--wine-red);
    color: white;
    padding: var(--spacing-sm);
    z-index: 9999;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* ==================== Health Warning Banner ==================== */
.health-warning-banner {
    background: var(--wine-dark);
    color: white;
    text-align: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
    position: sticky;
    top: 0;
    z-index: 1001;
    border-bottom: 2px solid var(--gold);
}

.health-warning-banner p {
    margin: 0;
    font-weight: 600;
}

/* ==================== Container ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== Header ==================== */
.header {
    position: sticky;
    top: 40px;
    z-index: 1000;
    background: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(114, 47, 55, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--wine-red);
    letter-spacing: 0.5px;
}

.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-icon span {
    width: 28px;
    height: 3px;
    background: var(--wine-red);
    border-radius: 3px;
    transition: var(--transition);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav a {
    font-weight: 500;
    color: var(--charcoal);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav a:hover,
.nav a:focus {
    color: var(--wine-red);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav a:hover::after,
.nav a:focus::after {
    width: 100%;
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(114, 47, 55, 0.7) 0%, rgba(74, 31, 36, 0.8) 100%),
                url('https://source.unsplash.com/1920x1080/?wine-cellar,vineyard') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 0;
}

.hero-content {
    max-width: 900px;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    color: white;
    margin-bottom: var(--spacing-sm);
    text-shadow: 3px 5px 15px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.tagline {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 3vw, 2rem);
    color: var(--gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    font-style: italic;
    text-shadow: 2px 3px 10px rgba(0, 0, 0, 0.4);
}

.subtitle {
    font-size: 1.15rem;
    color: var(--cream);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    padding: 1.1rem 3rem;
    background: transparent;
    color: white;
    font-weight: 600;
    border: 2px solid var(--gold);
    border-radius: 0;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
}

.cta-button:hover,
.cta-button:focus {
    background: var(--gold);
    color: var(--wine-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.3);
}

/* ==================== Terroirs Section ==================== */
.terroirs {
    padding: var(--spacing-xl) 0;
    background: var(--cream);
}

.terroirs h2 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--wine-dark);
}

.intro-text {
    text-align: center;
    max-width: 750px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--charcoal);
    line-height: 1.8;
}

.terroirs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.terroir-card {
    background: white;
    padding: var(--spacing-lg);
    border: 1px solid rgba(114, 47, 55, 0.15);
    position: relative;
    transition: var(--transition);
}

.terroir-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gold);
    transition: height 0.4s ease;
}

.terroir-card:hover::before {
    height: 100%;
}

.terroir-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(114, 47, 55, 0.15);
}

.card-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--gold);
    opacity: 0.3;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.terroir-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
    color: var(--wine-red);
}

.terroir-card p {
    color: var(--charcoal);
    line-height: 1.7;
}

/* ==================== Partenaires Section ==================== */
.partenaires {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--wine-red) 0%, var(--wine-dark) 100%);
    color: white;
    position: relative;
}

.partenaires::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
}

.partenaires h2 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--gold);
}

.partenaires .intro-text {
    color: rgba(255, 255, 255, 0.9);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.partner-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border: 1px solid rgba(212, 175, 55, 0.3);
    transition: var(--transition);
    text-align: center;
}

.partner-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
    border-color: var(--gold);
}

.partner-icon {
    color: var(--gold);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.partner-card h3 {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.partner-card p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    line-height: 1.7;
}

.partner-link {
    display: inline-block;
    padding: 0.9rem 2rem;
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.partner-link:hover,
.partner-link:focus {
    background: var(--gold);
    color: var(--wine-dark);
}

/* ==================== Cépages Section ==================== */
.cepages {
    padding: var(--spacing-xl) 0;
    background: var(--paper);
}

.cepages h2 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--wine-dark);
}

.cepages-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.cepage-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.cepage-item.reverse {
    direction: rtl;
}

.cepage-item.reverse > * {
    direction: ltr;
}

.cepage-content h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--wine-red);
}

.origin {
    font-style: italic;
    color: var(--copper);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.cepage-content > p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.aromas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    list-style: none;
}

.aromas li {
    background: var(--cream);
    padding: 0.4rem 1rem;
    border-left: 3px solid var(--gold);
    font-size: 0.9rem;
    color: var(--charcoal);
}

.cepage-image {
    border: 1px solid rgba(114, 47, 55, 0.2);
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.cepage-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.cepage-item:hover .cepage-image img {
    transform: scale(1.05);
}

/* ==================== Dégustation Section ==================== */
.degustation {
    padding: var(--spacing-xl) 0;
    background: var(--cream);
}

.degustation h2 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--wine-dark);
}

.degustation .intro-text {
    margin-bottom: var(--spacing-xl);
}

.degustation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.step {
    background: white;
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid rgba(114, 47, 55, 0.1);
    transition: var(--transition);
}

.step:hover {
    box-shadow: 0 10px 35px rgba(114, 47, 55, 0.15);
    transform: translateY(-5px);
}

.step-icon {
    color: var(--wine-red);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.step h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
    color: var(--wine-red);
}

.step h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gold);
    font-weight: 400;
    font-style: italic;
}

.step p {
    line-height: 1.7;
    color: var(--charcoal);
    text-align: left;
}

/* ==================== Footer ==================== */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--wine-dark);
    color: var(--cream);
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--gold);
}

.footer-tagline {
    opacity: 0.8;
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.footer-warning {
    background: rgba(212, 175, 55, 0.2);
    padding: var(--spacing-sm);
    border-left: 3px solid var(--gold);
    margin: var(--spacing-md) 0;
    font-weight: 600;
    font-size: 0.95rem;
}

.footer-copyright {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .menu-icon {
        display: flex;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(253, 251, 247, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav a {
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(114, 47, 55, 0.1);
    }
    
    .menu-toggle:checked ~ .nav {
        max-height: 500px;
    }
    
    .menu-toggle:checked ~ .menu-icon span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .menu-toggle:checked ~ .menu-icon span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle:checked ~ .menu-icon span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .cepage-item,
    .cepage-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .cepage-image {
        order: -1;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .health-warning-banner {
        font-size: 0.8rem;
        padding: var(--spacing-xs);
    }
}

/* ==================== Focus States ==================== */
*:focus {
    outline: 2px solid var(--wine-red);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline-offset: 4px;
}