/* --- Variables de Design --- */
:root {
    /* Couleurs */
    --primary-color: #28a745;
    --primary-hover-color: #218838;
    --text-color: #222;
    --light-grey: #eee;
    --dark-overlay: rgba(0, 0, 0, 0.5);

    /* Espacements */
    --padding-sm: 15px;
    --padding-md: 20px;
    --padding-lg: 30px;
    --gap-sm: 0.5rem;
    --gap-md: 10px;

    /* Typographie */
    --font-family: Arial, Helvetica, sans-serif;
    --font-size-base: 1.05em;
    --font-size-btn: 1.2em;
    --font-size-heading: 1.5rem;
}

/* --- Styles de Base (global) --- */
body {
    font-family: var(--font-family);
    margin: 0;
    color: var(--text-color);
    background: #fff;
    line-height: 1.6;
    font-size: var(--font-size-base);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--padding-sm);
}

/* --- Composants Génériques --- */

/* Boutons */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: var(--padding-sm) var(--padding-lg);
    border-radius: 5px;
    text-decoration: none;
    font-size: var(--font-size-btn);
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

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

.btn.alt {
    background-color: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn.alt:hover {
    background-color: var(--light-grey);
    color: var(--primary-hover-color);
}

/* Sections */
section.piece {
    margin-bottom: 3rem;
}

section.piece h2 {
    margin-bottom: 0.8rem;
    font-size: var(--font-size-heading);
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
}

section.piece p {
    margin-bottom: 1.2rem;
    max-width: 70ch;
}

/* Galerie d'images */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--gap-md);
}

.gallery img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 6px;
    background: #ddd;
}

/* Carrousel */
.carousel {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.carousel img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* --- Styles spécifiques au formulaire de contact --- */
.contact-form {
    display: flex;
    flex-direction: column;
    text-align: left;
    margin-top: var(--padding-md);
}

.contact-form label {
    margin-bottom: var(--padding-sm);
    font-size: 1.1em;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #007bff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.5);
    outline: none;
}

.contact-form .btn {
    align-self: center;
    margin-top: 10px;
}