:root {
    --primary: #ff4500;
    --secondary: #f0f0f0;
    --accent: #d4a000;
    --dark: #2d3436;
    --light: #ffffff;
    --border: #e0e0e0;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--secondary); 
    color: var(--dark);
    margin: 0;
    line-height: 1.6;
}

main {
    box-sizing: border-box; 
    margin: 40px auto; 
    max-width: 900px;
    width: 90%; 
    padding: 50px;
    background-color: var(--light);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.05);
    min-height: 50vh;
}

main p {
    font-size: 1.1rem;
    color: #444;
}

/*HEADER*/
header {
    background: linear-gradient(135deg, #fff, var(--secondary));
    padding: 3rem 2rem;
    text-align: center;
    border-bottom: 4px solid var(--primary);
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    letter-spacing: 5px;
    color: var(--primary);
    text-shadow: 2px 2px 5px rgba(255, 69, 0, 0.2);
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: bold;
    text-transform: uppercase;
    transition: 0.3s;
}

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

/*ACCUEIL*/
blockquote {
    font-size: 1.5rem;
    color: var(--primary);
    border-left: 5px solid var(--accent);
    padding-left: 20px;
    margin: 40px 0;
    font-style: italic;
    background: #fff9f0;
    padding: 20px;
}

/*GRILLE DES VOLCANS*/
.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    color: var(--dark);
}

.volcan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.volcan-card {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.volcan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(255, 69, 0, 0.1);
    border-color: var(--primary);
}

.card-image {
    position: relative;
    height: 200px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tag-type {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    margin-top: 0;
    color: var(--primary);
}

.specs {
    list-style: none;
    padding: 0;
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
    padding-top: 10px;
    color: #666;
}

.location {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 10px;
    display: block;
}

.search-box {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 30px auto;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border);
    border-radius: 30px;
    outline: none;
    font-size: 1rem;
}

.search-box input:focus {
    border-color: var(--primary);
}

.search-box button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.search-box button:hover {
    background: #e63e00;
    transform: scale(1.05);
}

/*FOOTER*/
footer {
    background: var(--secondary);
    text-align: center;
    padding: 40px 20px;
    margin-top: 50px;
    border-top: 1px solid var(--border);
    color: #666;
}

/*VERSION MOBILE (Écrans < 576px)*/
@media (max-width: 576px){
    
    header h1 {
        font-size: 1.8rem;
        letter-spacing: 2px;
    }

    nav ul {
        flex-direction: column;
        gap: 10px;
    }

    .volcan-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%; 
    }

    .volcan-card{
        border-radius: 8px;
    }

    .card-image{
        height: 180px;
    }

    main {
        margin: 20px auto;
        width: 95%;
        padding: 25px 15px;
        border-radius: 12px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); 
    }

    blockquote {
        font-size: 1.1rem;
        padding: 15px;
        margin: 20px 0;
    }
}

/*VERSION ORDINATEUR (Écrans >= 576px)*/
@media (min-width: 577px) {
    .volcan-grid{
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    header h1{
        font-size: 3rem;
    }
}