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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0a0f1c;
    color: #e2e8f0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0a0f1c 0%, #1e2937 100%);
    padding: 120px 0 80px;
    text-align: center;
    border-bottom: 1px solid #1e40af;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    color: #60a5fa;
}

.hero h2 {
    font-size: 1.8rem;
    color: #94a3b8;
    margin-bottom: 15px;
}

.subtitle {
    font-size: 1.3rem;
    color: #cbd5e1;
    margin-bottom: 30px;
}

.btn {
    padding: 12px 28px;
    margin: 0 10px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #00b4d8;
    color: #0a0f1c;
}

.btn-primary:hover {
    background-color: #22d3ee;
    transform: translateY(-3px);
}

.btn-secondary {
    background-color: transparent;
    color: #e2e8f0;
    border: 2px solid #00b4d8;
}

.btn-secondary:hover {
    background-color: #00b4d8;
    color: #0a0f1c;
}

/* Secciones */
.section {
    padding: 80px 0;
}

.bg-dark {
    background-color: #1e2937;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #60a5fa;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.skill-card {
    background-color: #0f172a;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #334155;
    transition: transform 0.3s;
}

.skill-card:hover {
    transform: translateY(-8px);
}

.skill-card h3 {
    color: #00b4d8;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.skill-card ul {
    list-style: none;
}

.skill-card li {
    padding: 6px 0;
    color: #cbd5e1;
}

/* Experiencia y Proyectos */
.experience-item {
    background-color: #1e2937;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 12px;
    border-left: 5px solid #00b4d8;
}

.company {
    color: #60a5fa;
    font-weight: 600;
}

.date {
    color: #94a3b8;
    font-style: italic;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-card {
    background-color: #1e2937;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #334155;
}

.project-card h3 {
    color: #60a5fa;
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    background-color: #334155;
    color: #cbd5e1;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 15px;
}

/* Contacto y Footer */
.contact-info p {
    margin: 15px 0;
    font-size: 1.1rem;
}

.social-links a {
    font-size: 2rem;
    margin: 0 15px;
    color: #94a3b8;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #00b4d8;
}

footer {
    text-align: center;
    padding: 40px 0;
    background-color: #0a0f1c;
    color: #64748b;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.8rem; }
    .hero h2 { font-size: 1.5rem; }
}