/* Variables de colores y estilos */
:root {
    --primary-color: #0a0a0a;
    --secondary-color: #1a1a1a;
    --accent-color: #00d9ff;
    --text-color: #ffffff;
    --text-secondary: #b0b0b0;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* Header y Navegación */
.header {
    background-color: var(--secondary-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand h2 {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.nav-link:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* Sección Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    text-align: center;
    margin-top: 60px;
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease 0.4s both;
}

/* Secciones generales */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

/* Sobre Nosotros */
.about {
    background-color: var(--secondary-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Habilidades */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    background-color: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px rgba(0, 217, 255, 0.1);
}

.skill-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Proyectos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0, 217, 255, 0.2);
}

.project-image {
    width: 100%;
    height: 200px;
    background-color: #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-tag {
    background-color: var(--primary-color);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--accent-color);
}

/* Contacto */
.contact {
    background-color: var(--secondary-color);
}

.contact-content {
    text-align: center;
}

.contact-info p {
    font-size: 1.1rem;
    margin: 1rem 0;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--secondary-color);
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* Modal para proyectos */
.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    border: 2px solid var(--accent-color);
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    transform: rotate(90deg);
}

.modal-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

/* Botones de proyecto */
.project-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.project-btn {
    flex: 1;
    min-width: 120px;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

.btn-project {
    background: var(--accent-color);
    color: var(--primary-color);
    font-weight: bold;
}

.btn-info {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    font-weight: bold;
}

.project-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 217, 255, 0.3);
}

/* Modal centrado mejorado */
.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(15px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    max-width: 700px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    border: 3px solid var(--accent-color);
    position: relative;
    animation: modalSlideIn 0.4s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.modal-title {
    color: var(--accent-color);
    font-size: 2rem;
    margin: 0;
    flex: 1;
    margin-right: 2rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: rotate(90deg);
}

.project-features {
    margin: 2rem 0;
}

.project-features h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-features ul {
    list-style: none;
    padding-left: 0;
}

.project-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    padding-left: 1.5rem;
}

.project-features li:before {
    content: "▸";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

/* Mejoras a las tarjetas de proyecto */
.project-image {
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-image:hover {
    transform: scale(1.05);
}

.project-image:after {
    content: "👁️ Ver Proyecto";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 217, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    opacity: 0;
    transition: var(--transition);
}

.project-image:hover:after {
    opacity: 1;
}