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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    color: white;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Section */
.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.links-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    width: 100%;
    max-width: 800px;
}

/* Link Cards */
.link-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.link-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.link-card:hover::before {
    left: 100%;
}

/* Icons */
.icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
}

.linkedin-icon {
    background: linear-gradient(45deg, #0077b5, #00a0dc);
}

.ai-icon {
    background: linear-gradient(45deg, #ff6b6b, #ee5a52);
}

/* Typography */
.link-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
}

.link-card p {
    font-size: 1rem;
    color: #7f8c8d;
    margin-bottom: 30px;
    line-height: 1.5;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-linkedin {
    background: linear-gradient(45deg, #0077b5, #00a0dc);
    color: white;
}

.btn-formation {
    background: linear-gradient(45deg, #ff6b6b, #ee5a52);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    color: white;
    opacity: 0.8;
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .links-section {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .link-card {
        padding: 30px 20px;
    }
    
    .container {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 10px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .link-card h3 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}