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

:root {
    --primary: #00d9ff;
    --secondary: #ff006e;
    --dark: #0a0e27;
    --darker: #050a1a;
    --gray: #8892b0;
    --light: #e6f7ff;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: #ccc;
    overflow-x: hidden;
    position: relative;
}

/* Fondo animado */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 110, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
}

/* Header */
header {
    padding: 2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    animation: slideDown 0.8s ease-out;
}

.logo {
    font-family: 'Space Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--gray);
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--primary);
}

nav a:hover::after {
    width: 100%;
}

/* Hero */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    animation: fadeIn 1s ease-out 0.2s both;
}

.hero-content {
    max-width: 900px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: slideUp 0.8s ease-out 0.4s both;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: slideUp 0.8s ease-out 0.6s both;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: slideUp 0.8s ease-out 0.8s both;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #00b8d4 100%);
    color: var(--dark);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

/* Sección de skills */
.skills-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn 1s ease-out 1s both;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: rgba(10, 14, 39, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.skill-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.15);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.skill-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.skill-description {
    color: var(--gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Sección de experiencia */
.experience-section {
    padding: 6rem 2rem;
    background: rgba(5, 10, 26, 0.5);
    animation: fadeIn 1s ease-out 1.2s both;
}

.experience-content {
    max-width: 900px;
    margin: 0 auto;
}

.experience-item {
    padding: 2rem;
    border-left: 3px solid var(--primary);
    margin-bottom: 2rem;
    background: rgba(10, 14, 39, 0.4);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.experience-item:hover {
    background: rgba(10, 14, 39, 0.7);
    border-left-color: var(--secondary);
    transform: translateX(10px);
}

.experience-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.experience-subtitle {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.experience-description {
    color: #aaa;
    line-height: 1.6;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    color: var(--gray);
    background: rgba(5, 10, 26, 0.8);
}

.contact-info {
    max-width: 900px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    background: rgba(10, 14, 39, 0.6);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.contact-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item p {
    color: #ccc;
    font-size: 1rem;
    margin: 0;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
    font-size: 0.95rem;
}

.social-links a:hover {
    color: var(--secondary);
    transform: scale(1.2);
}

/* WhatsApp Flotante */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #1da851 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-btn:hover {
    transform: scale(1.15) translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0;
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    nav {
        gap: 1rem;
    }

    nav a {
        font-size: 0.8rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    header {
        padding: 1.5rem;
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
        border-radius: 10px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-image {
        height: 200px;
    }

    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 1rem;
        right: 1rem;
    }
}

/* Modal de Proyectos */
.projects-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    backdrop-filter: blur(5px);
}

.projects-modal.active {
    display: flex;
}

.modal-content {
    background: var(--darker);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 15px;
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.modal-close:hover {
    transform: rotate(90deg) scale(1.1);
}

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

.project-item {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(0, 217, 255, 0.2);
    transition: all 0.3s ease;
}

.project-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.2);
}

.project-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.project-info {
    padding: 1.5rem;
    background: rgba(10, 14, 39, 0.6);
}

.project-title {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.project-description {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
}