:root {
    --primary-color: #0077ff;
    --dark-blue: #203e60;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: #333;
}

.hero-section {
    padding: 80px 0 40px;
    background: white;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

.profile-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #fff;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-cv {
    border-width: 2px;
    transition: all 0.3s ease;
}

.btn-cv:hover {
    background-color: var(--primary-color);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 119, 255, 0.3);
}

.lead {
    margin-bottom: 1.5rem;
}

.header-line {
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 20px auto;
    border-radius: 2px;
}

.project-card {
    text-decoration: none !important;
    color: inherit;
    display: block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card .card {
    border-radius: 12px;
    transition: background 0.3s ease;
}

.project-card:hover .card {
    background-color: #f8fbff;
    box-shadow: 0 15px 30px rgba(0,119,255,0.1) !important;
}

.project-icon {
    font-size: 1.5rem;
    margin-right: 15px;
    background: #eef5ff;
    padding: 10px;
    border-radius: 10px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-blue);
}

.social-links a {
    font-size: 1.6rem;
    color: #6c757d;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.social-links a:hover .bi-github { color: #24292e; }
.social-links a:hover .bi-linkedin { color: #0077b5; }
.social-links a:hover .bi-whatsapp { color: #126c00; }
.social-links a:hover .bi-telegram { color: #0088cc; }

footer .social-links a {
    font-size: 1.2rem;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 40px 0 20px;
    }
    .display-4 {
        font-size: 2rem;
    }
}