/* ============================================
   SIGNATURE EVENTS PLANNER - STYLESHEET
   Organisation d'événements élégants à Dakar
   ============================================ */

/* ===== VARIABLES CSS ===== */
:root {
    /* Palette de couleurs élégantes */
    --primary-color: #D4AF37; /* Or champagne */
    --secondary-color: #F5F5DC; /* Beige/Ivoire */
    --accent-color: #8B9D83; /* Vert sauge */
    --dark-color: #2C3E50;
    --text-color: #333;
    --light-bg: #FAFAFA;
    --white: #FFFFFF;
    --whatsapp-green: #25D366;
    
    /* Typographie */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ===== TYPOGRAPHIE ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* ===== UTILITAIRES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-sm);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

/* Mettre en gras  processus transparent et structuré depuis processus */
strong {
    font-weight: 600;
    font-style: italic;
}
.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.text-center {
    text-align: center;
}

/* ===== BOUTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    background: #C5A028;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-whatsapp {
    background: var(--whatsapp-green);
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #1EBE57;
    transform: translateY(-2px);
}

.btn-whatsapp i {
    font-size: 1.2rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.9), rgba(139, 157, 131, 0.8)),
                url('https://images.unsplash.com/photo-1519225421980-715cb0215aed?w=1600') center/cover no-repeat;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
}

.hero h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.hero-location {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    margin-top: var(--spacing-md);
    font-size: 1rem;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.card p {
    color: #666;
    line-height: 1.8;
}

/* ===== GRILLE RESPONSIVE ===== */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

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

.value-card {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 15px;
    transition: var(--transition);
}

.value-card:hover {
    background: var(--white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.value-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ===== PROCESSUS ===== */
.process-steps {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.step-content {
    flex: 1;
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.step-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ===== SERVICES ===== */
.service-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
    margin-bottom: 2rem;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.service-badge {
    display: inline-block;
    background: var(--whatsapp-green);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.service-body {
    padding: 2rem;
}

.service-body h4 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-body ul {
    list-style: none;
    padding-left: 0;
}

.service-body ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-body ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ===== GALERIE ===== */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background: var(--light-bg);
    border: 2px solid transparent;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

/* ===== FORMULAIRE DE CONTACT ===== */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 15px;
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--accent-color);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
    max-width: 700px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* ===== QUOTE SECTION ===== */
.quote-section {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 15px;
    margin: 3rem 0;
}

.quote-section blockquote {
    font-size: 1.5rem;
    font-style: italic;
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.quote-author {
    font-size: 1.1rem;
    font-weight: 500;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(139, 157, 131, 0.1));
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 15px;
    margin: 3rem 0;
}

.cta-section h2 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

/* ===== BOUTON WHATSAPP FLOTTANT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--whatsapp-green);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 9999;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: #ccc;
    line-height: 2;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: #999;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    /* Typographie mobile */
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
    
    .hero h1 { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    
    /* Navigation mobile */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* Grilles responsives */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    /* Sections */
    .section {
        padding: 3rem 0;
    }
    
    /* Process step */
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    /* Contact form */
    .contact-form {
        padding: 2rem 1rem;
    }
    
    /* WhatsApp float */
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== ACCESSIBILITÉ ===== */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}