/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
    overflow-y: scroll; /* Force la scrollbar verticale sur toutes les pages */
}

/* Conteneur principal */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Sections de base */
section {
    padding: var(--section-padding) 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-button);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-accent {
    background: var(--accent-color);
    color: var(--white);
}

.btn-accent:hover {
    background: #e08500;
    transform: translateY(-2px);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all var(--transition-fast);
    height: 100%;
}

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

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: center;
}

.card-description {
    color: var(--gray-600);
    text-align: center;
    line-height: 1.6;
}

/* Grille responsive */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in-up {
    animation: fadeInUp var(--transition-slow) ease forwards;
}

.fade-in-left {
    animation: fadeInLeft var(--transition-slow) ease forwards;
}

.fade-in-right {
    animation: fadeInRight var(--transition-slow) ease forwards;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Classes utilitaires */
.text-center {
    text-align: center;
}

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

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

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Margins et Paddings */
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pb-1 { padding-bottom: 1rem; }
.pb-2 { padding-bottom: 2rem; }

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--section-padding-mobile) 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .grid {
        gap: 1.5rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .grid {
        gap: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}