:root {
    --primary: #FFD700;
    /* Jaune Soleil */
    --secondary: #D32F2F;
    /* Rouge Piment */
    --accent: #388E3C;
    /* Vert Nature */
    --dark: #212121;
    --light: #FAFAFA;
}

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

body {
    font-family: 'Lato', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    /* Watermark Logo */
    background-image: url('../img/logo.png');
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    background-size: 50% auto; /* Large watermark */
}

/* Ensure content on top is readable - subtle overlay */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(250, 250, 250, 0.92); /* High opacity to fade the watermark significantly */
    z-index: -1;
}

h1,
h2,
h3 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
}

/* HEADER & NAV */
header {
    background: var(--dark);
    color: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
}

.logo span {
    color: var(--secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: white;
    font-weight: 700;
    transition: 0.3s;
}

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

/* BURGER MENU (Mobile) */
.burger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: white;
}

/* HERO SECTION (Index) */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1555939594-58d7cb561ad1?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 60px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    padding: 0 20px;
}

.hero p {
    font-size: 1.5rem;
    color: #eee;
    margin-bottom: 40px;
    padding: 0 20px;
}

/* HERO MINI (Carte) */
.hero-mini {
    height: 40vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('../img/hero-volcan.png');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding-top: 60px;
}

.hero-mini h1 {
    font-size: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

/* BUTTONS */
.btn {
    padding: 15px 40px;
    border: none;
    font-size: 1.2rem;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: #ffca28;
    transform: scale(1.05);
}

/* CONCEPT SECTION */
.concept {
    padding: 60px 10%;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: var(--secondary);
    margin-bottom: 15px;
}

/* CARTE SECTION */
.carte-section {
    padding: 40px 10%;
    text-align: center;
}

/* FILTERS */
#menu-filters {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--secondary);
    color: var(--secondary);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: 0.3s;
}

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

/* MENU ITEMS CARD */
.menu-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s;
}

.menu-item:hover {
    transform: translateY(-5px);
}

.menu-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.menu-content {
    padding: 20px;
}

.menu-cat {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #999;
    font-weight: bold;
    margin-bottom: 5px;
}

.menu-title {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu-price {
    color: var(--secondary);
    font-size: 1.2rem;
}

.menu-desc {
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* FOOTER */
footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}

/* --- MEDIA QUERIES (RESPONSIVE) --- */
@media (max-width: 768px) {
    /* Header & Nav */
    header {
        padding: 1rem;
    }

    .burger {
        display: block; /* Show burger on mobile */
    }

    nav ul {
        display: none; /* Hide default menu */
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px; /* Below header */
        left: 0;
        background: var(--dark);
        padding: 20px 0;
        text-align: center;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    nav ul.show {
        display: flex; /* Show when toggled */
    }

    nav ul li {
        margin: 10px 0;
    }
    
    /* Hero Index */
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 1rem;
    }

    /* Hero Mini */
    .hero-mini h1 {
        font-size: 2rem;
    }

    /* Concept & Sections */
    .concept, .carte-section {
        padding: 40px 5%;
    }
    
    /* Filters */
    .filter-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}