/* ============================================
   CSS CENTRALISÉ POUR TOUTES LES PAGES VISITOR
   ============================================ */

/* Variables CSS Globales */
:root {
    --primary-color: #2c3e50;
    --primary-light: #34495e;
    --secondary-color: #3498db;
    --accent-color: #27ae60;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #495057;
    --shadow-light: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-medium: 0 8px 25px rgba(0,0,0,0.12);
    --shadow-hover: 0 12px 35px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset et Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Animations Communes */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

/* Classes Utilitaires */
.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slide-up {
    animation: slideInDown 0.5s ease;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Sections Communes */
.hero-section,
.contact-hero,
.about-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 5rem 2rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before,
.contact-hero::before,
.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.hero-content,
.contact-hero-content,
.about-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title,
.contact-hero h1,
.about-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle,
.contact-hero p,
.about-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
    margin-bottom: 0;
}

/* Breadcrumbs */
.breadcrumbs {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumbs ol {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.5rem;
    align-items: center;
}

.breadcrumbs li {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.breadcrumbs li a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumbs li a:hover {
    color: var(--white);
}

.breadcrumbs li.current {
    color: var(--white);
    font-weight: 600;
}

.breadcrumbs li:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: rgba(255,255,255,0.6);
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Form Elements Communs */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-control,
.form-input {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--gray-100);
    font-family: inherit;
}

.form-control:focus,
.form-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.form-control::placeholder,
.form-input::placeholder {
    color: var(--gray-600);
    opacity: 0.7;
}

textarea.form-control,
textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.error-message,
.form-error {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: block;
}

/* Buttons Communs */
.btn-submit,
.btn-login {
    width: 100%;
    padding: 1.2rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.btn-submit:hover,
.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-submit:disabled,
.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Alert Messages */
.alert {
    padding: 1.2rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: none;
    position: relative;
    animation: slideInDown 0.5s ease;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--secondary-color);
}

/* Cards Communes */
.card,
.info-card,
.value-card,
.feature-item {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.card:hover,
.info-card:hover,
.value-card:hover,
.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Responsive Commun */
@media (max-width: 768px) {
    .hero-title,
    .contact-hero h1,
    .about-hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle,
    .contact-hero p,
    .about-hero p {
        font-size: 1rem;
    }

    .section-container {
        padding: 0 1rem;
    }

    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-section,
    .contact-hero,
    .about-hero {
        padding: 4rem 1rem 2rem;
    }

    .hero-title,
    .contact-hero h1,
    .about-hero h1 {
        font-size: 2rem;
    }
}