/* Variables de couleurs CER Réseau */
:root {
    --cer-blue: #2c3e50;
    --cer-red: #e74c3c;
    --cer-dark-blue: #1a252f;
    --cer-light-blue: #3498db;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --background: #f8f9fa;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--background) 0%, #e8eef2 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease-out;
}

.logo-container {
    margin-bottom: 30px;
    animation: fadeIn 1s ease-out;
}

.logo {
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.main-title {
    font-size: 2.5rem;
    color: var(--cer-dark-blue);
    margin-bottom: 15px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.main-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--cer-blue), var(--cer-red));
    border-radius: 2px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 20px;
}

/* Dashboard Section */
.dashboard {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    width: 100%;
    max-width: 1100px;
    padding: 0 20px;
}

/* Platform Cards */
.platform-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 400px;
    animation: fadeInUp 0.8s ease-out;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--cer-blue), var(--cer-red));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--card-shadow-hover);
}

.platform-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2.5rem;
    transition: all 0.4s ease;
}

.rapido-card .card-icon {
    background: linear-gradient(135deg, var(--cer-blue), var(--cer-light-blue));
    color: white;
}

.code-card .card-icon {
    background: linear-gradient(135deg, var(--cer-red), #ff6b6b);
    color: white;
}

.platform-card:hover .card-icon {
    transform: rotate(360deg) scale(1.1);
}

.card-title {
    font-size: 2rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.rapido-card .card-title {
    color: var(--cer-blue);
}

.code-card .card-title {
    color: var(--cer-red);
}

.card-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    flex: 1;
}

.feature-tag {
    background: var(--background);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-dark);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.rapido-card:hover .feature-tag {
    background: var(--cer-blue);
    color: white;
}

.code-card:hover .feature-tag {
    background: var(--cer-red);
    color: white;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 2px solid var(--background);
    margin-top: auto;
}

.access-text {
    font-weight: 600;
    font-size: 1.1rem;
}

.rapido-card .access-text {
    color: var(--cer-blue);
}

.code-card .access-text {
    color: var(--cer-red);
}

.arrow-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.rapido-card .arrow-icon {
    color: var(--cer-blue);
}

.code-card .arrow-icon {
    color: var(--cer-red);
}

.platform-card:hover .arrow-icon {
    transform: translateX(10px);
}

/* Footer Styles */
.footer {
    background: var(--cer-dark-blue);
    color: white;
    padding: 40px 20px 20px;
    margin-top: 60px;
    border-radius: 20px 20px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 30px;
}

.footer-section h3 {
    color: var(--cer-red);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 10px;
    color: #ecf0f1;
    font-size: 0.95rem;
}

.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-section i {
    margin-right: 8px;
    color: var(--cer-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #95a5a6;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@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);
    }
}

.rapido-card {
    animation-delay: 0.2s;
}

.code-card {
    animation-delay: 0.4s;
}

/* Responsive Design */
@media (max-width: 968px) {
    .cards-container {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 30px 15px;
    }
    
    .logo {
        max-width: 200px;
    }
    
    .main-title {
        font-size: 1.5rem;
    }
    
    .platform-card {
        padding: 30px 20px;
        min-height: 350px;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Amélioration de l'accessibilité */
.platform-card:focus {
    outline: 3px solid var(--cer-red);
    outline-offset: 3px;
}

/* Effet de pulse pour attirer l'attention */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.card-icon:hover {
    animation: pulse 0.6s ease-in-out;
}