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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header y Navegación */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2563eb;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.highlight {
    color: #fbbf24;
}

.hero-text h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #e5e7eb;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #d1d5db;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #fbbf24;
    color: #1f2937;
}

.btn-primary:hover {
    background: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #1f2937;
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

/* Profile Image Section */
.profile-image {
    width: 250px;         /* ajusta el tamaño a gusto */
    height: 250px;
    object-fit: cover;    /* recorta sin deformar */
    border-radius: 50%;   /* círculo */
    border: 3px solid #fff; /* borde blanco */
    box-shadow: 0 4px 12px rgba(0,0,0,0.3); /* sombra sutil */
}
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border: 3px dashed rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 300px;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.profile-placeholder:hover {
    border-color: #fbbf24;
    transform: scale(1.05);
}

.profile-placeholder i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.profile-placeholder p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.file-input {
    display: none;
}

.upload-btn {
    background: #fbbf24;
    color: #1f2937;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.upload-btn:hover {
    background: #f59e0b;
    transform: translateY(-2px);
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #fbbf24);
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: #f8fafc;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4b5563;
    text-align: center;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.detail-item:hover {
    transform: translateY(-5px);
}

.detail-item i {
    font-size: 2rem;
    color: #2563eb;
    margin-top: 0.5rem;
}

.detail-item h4 {
    color: #1f2937;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.detail-item p {
    color: #6b7280;
    margin: 0;
    text-align: left;
}

/* Technologies Section */
.technologies {
    padding: 5rem 0;
    background: white;
}

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

.tech-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #2563eb;
}

.tech-card i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.tech-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-weight: 600;
}

.tech-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 5rem 0;
    background: #f8fafc;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 4rem;
    color: white;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-weight: 600;
}

.project-content p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    background: #e5e7eb;
    color: #374151;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    color: #1f2937;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-info p {
    color: #6b7280;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #2563eb;
    width: 40px;
}

.contact-item h4 {
    color: #1f2937;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.contact-item p {
    color: #6b7280;
    margin: 0;
}

/* Contact Form */
.contact-form {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: #fbbf24;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text h2 {
        font-size: 1.5rem;
    }
    
    .profile-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-details {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
}

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

.tech-card,
.project-card,
.detail-item {
    animation: fadeInUp 0.6s ease forwards;
}

.tech-card:nth-child(1) { animation-delay: 0.1s; }
.tech-card:nth-child(2) { animation-delay: 0.2s; }
.tech-card:nth-child(3) { animation-delay: 0.3s; }
.tech-card:nth-child(4) { animation-delay: 0.4s; }
.tech-card:nth-child(5) { animation-delay: 0.5s; }
.tech-card:nth-child(6) { animation-delay: 0.6s; }
.tech-card:nth-child(7) { animation-delay: 0.7s; }
.tech-card:nth-child(8) { animation-delay: 0.8s; }
.tech-card:nth-child(9) { animation-delay: 0.9s; }
.tech-card:nth-child(10) { animation-delay: 1.0s; }
.tech-card:nth-child(11) { animation-delay: 1.1s; }

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}