/* ================================= */
/* VARIABLES CSS */
/* ================================= */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* ================================= */
/* RESET ET STYLES GLOBAUX */
/* ================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background: linear-gradient(180deg, #f3f4f6 0%, #e2e8f0 45%, #c7d2fe 100%);
    background-attachment: fixed;
    line-height: 1.6;
    min-height: 100vh;
}

body .page-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255,255,255,0.75), rgba(255,255,255,0.75)),
        url("image/gateaux carre.jpeg");
    background-size: cover;
    background-position: center;
    opacity: 1;
    filter: saturate(1.1) contrast(0.9);
    pointer-events: none;
}

/* ================================= */
/* HEADER ET NAVIGATION */
/* ================================= */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ================================= */
/* MAIN ET SECTIONS */
/* ================================= */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin: 3rem 0;
    padding: 2rem;
}

section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

section h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

/* ================================= */
/* HERO SECTION */
/* ================================= */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 8px;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* ================================= */
/* BOUTONS */
/* ================================= */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-size: 1rem;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--success-color);
}

.btn-secondary:hover {
    background-color: #059669;
}

/* ================================= */
/* GRILLE DE PRODUITS */
/* ================================= */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 200px;
    background-color: #e0e7ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
}

.product-image-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.product-content {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.product-price {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

.product-description {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* ================================= */
/* SERVICES */
/* ================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    text-align: center;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* ================================= */
/* FORMULAIRE CONTACT */
/* ================================= */
.contact-form {
    max-width: 600px;
    margin: 2rem auto;
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

input,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-dark);
    transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

/* ================================= */
/* FOOTER */
/* ================================= */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: var(--bg-light);
    text-decoration: none;
    margin-bottom: 0.5rem;
    display: block;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

/* ================================= */
/* RESPONSIVE DESIGN */
/* ================================= */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .header-container {
        padding: 1rem;
    }

    section {
        padding: 1rem;
    }

    main {
        padding: 1rem;
    }

    .products-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 1rem;
    }
}