/* ========================================
   VARIABLES Y CONFIGURACIÓN GLOBAL
   ======================================== */
:root {
    /* Colores principales - Tema Verde Tecnológico */
    --primary-color: #00ff41;
    --primary-dark: #00cc33;
    --primary-light: #39ff14;
    --secondary-color: #00ff88;
    --accent-color: #0dff92;
    
    /* Colores de fondo */
    --bg-primary: #000000;
    --bg-secondary: #0a0e0a;
    --bg-card: #0d1b0d;
    --bg-card-hover: #132613;
    
    /* Colores de texto */
    --text-primary: #00ff41;
    --text-secondary: #00cc33;
    --text-muted: #00aa2b;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #00ff41 0%, #00ff88 100%);
    --gradient-secondary: linear-gradient(135deg, #0dff92 0%, #00ff41 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 255, 65, 0.1);
    --shadow-md: 0 4px 15px rgba(0, 255, 65, 0.2);
    --shadow-lg: 0 8px 25px rgba(0, 255, 65, 0.25);
    --shadow-xl: 0 15px 40px rgba(0, 255, 65, 0.3);
    
    /* Tipografía */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-code: 'Fira Code', 'Courier New', monospace;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Bordes */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   MATRIX RAIN EFFECT BACKGROUND
   ======================================== */
#matrixCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.25; /* Aumentado para ser más visible */
}

/* ========================================
   RESET Y ESTILOS BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(0deg, transparent 24%, rgba(0, 255, 65, 0.02) 25%, rgba(0, 255, 65, 0.02) 26%, transparent 27%, transparent 74%, rgba(0, 255, 65, 0.02) 75%, rgba(0, 255, 65, 0.02) 76%, transparent 77%, transparent),
        linear-gradient(90deg, transparent 24%, rgba(0, 255, 65, 0.02) 25%, rgba(0, 255, 65, 0.02) 26%, transparent 27%, transparent 74%, rgba(0, 255, 65, 0.02) 75%, rgba(0, 255, 65, 0.02) 76%, transparent 77%, transparent);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
    opacity: 0.4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-scroll {
    scroll-margin-top: 80px;
}

/* ========================================
   HEADER Y NAVEGACIÓN
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.logo img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
    filter: brightness(1.2);
    transition: var(--transition-normal);
}

.logo img:hover {
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.5);
    transform: scale(1.05);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    font-family: var(--font-primary);
    padding: 0.5rem 0;
    display: block;
    font-size: 0.95rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
    z-index: 2;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 65, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 204, 51, 0.05) 0%, transparent 40%);
    z-index: -1;
}

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

.greeting {
    display: inline-block;
    font-size: 1.125rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease 0.2s backwards;
    letter-spacing: -1px;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease 0.4s backwards;
    font-weight: 600;
}

.typing-text {
    border-right: 2px solid var(--primary-color);
    padding-right: 0.5rem;
    animation: blink 1s step-end infinite;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
    animation: fadeInUp 0.6s ease 0.6s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.6s ease 0.8s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: #000000;
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 255, 65, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #000000;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeIn 0.8s ease 1s backwards;
}

.profile-card {
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 255, 65, 0.2);
    border: 1px solid var(--primary-color);
}

.profile-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.3;
    filter: blur(10px);
}

/* Profile Card Glow Effect */
.profile-card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    background: radial-gradient(
        circle,
        rgba(0, 255, 65, 0.4) 0%,
        rgba(0, 255, 136, 0.2) 30%,
        transparent 70%
    );
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    z-index: -2;
    filter: blur(40px);
}

.profile-img-wrapper:hover .profile-card-glow {
    opacity: 1;
}

.profile-img-wrapper {
    width: 300px;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 3px solid var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 255, 65, 0.3);
    padding: 0;
    margin-bottom: 1.5rem;
    position: relative;
    transition: transform 0.1s ease-out;
    transform-style: preserve-3d;
    perspective: 1000px;
    will-change: transform;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-img-wrapper:hover {
    box-shadow: 0 15px 50px rgba(0, 255, 65, 0.4);
}

/* Profile Image Shine Effect */
.profile-img-shine {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(255, 255, 255, 0.2) 0%,
        transparent 60%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.profile-img-wrapper:hover .profile-img-shine {
    opacity: 1;
}

.profile-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    mix-blend-mode: overlay;
}

.profile-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.tech-icons {
    display: flex;
    justify-content: space-around;
    font-size: 2rem;
}

.tech-icons i {
    color: var(--primary-light);
    transition: var(--transition-normal);
}

.tech-icons i:hover {
    color: var(--secondary-color);
    transform: scale(1.2);
}

/* ========================================
   SECTIONS COMUNES
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 1rem;
}

.title-underline {
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    background: var(--bg-secondary);
}

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

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.interests {
    margin-top: 2rem;
}

.interests h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    border: 1px solid rgba(0, 255, 65, 0.2);
    transition: var(--transition-normal);
    font-size: 0.95rem;
}

.tag:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
}

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills-categories {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.skill-category {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.15);
    position: relative;
    transition: var(--transition-normal);
}

.skill-category:hover {
    box-shadow: 0 8px 30px rgba(0, 255, 65, 0.25);
    transform: translateY(-5px);
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-light);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 255, 65, 0.3);
    transition: var(--transition-normal);
    text-align: center;
}

.skill-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 255, 65, 0.3);
    border-color: var(--primary-color);
}

.skill-icon {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    filter: drop-shadow(0 0 8px rgba(0, 255, 65, 0.4));
    transition: var(--transition-normal);
}

.skill-card:hover .skill-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px rgba(0, 255, 65, 0.6));
}

.skill-card h4 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.skill-description {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.2;
}

.skill-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    white-space: nowrap;
}

/* ========================================
   SKILLS CAROUSEL
   ======================================== */
.skills-carousel-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    width: 100%;
}

.skills-carousel {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    transition: min-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    will-change: transform;
    align-items: flex-start;
}

.carousel-item {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: stretch;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.carousel-item.active {
    opacity: 1;
    animation: fadeInCarousel 0.4s ease forwards;
}

@keyframes fadeInCarousel {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
        transform: none;
    }
}

/* Skill Category Container */
.skill-category-container {
    width: 82.3%;
    min-height: 300px;
    padding: 2rem 2rem 2.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.15);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.skill-category-container .category-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 600;
}

/* Skills Grid inside Carousel */
.skills-grid-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, 150px);
    gap: 1rem;
    align-content: start;
    justify-content: center;
    padding-bottom: 0.5rem;
}

.carousel-item .skill-card {
    width: 150px;
    min-height: 140px;
    max-height: 140px;
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    box-shadow: none;
    transition: all var(--transition-normal);
}

.carousel-item .skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 255, 65, 0.3);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

/* Carousel Buttons Container */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
    padding: 0.5rem 0;
    position: relative;
}

.carousel-controls::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 60px;
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.1);
    border-radius: var(--radius-full);
    z-index: -1;
}

/* Carousel Buttons */
.carousel-button {
    background: rgba(0, 255, 65, 0.15);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-normal);
    z-index: 10;
    flex-shrink: 0;
}

.carousel-button:hover {
    background: rgba(0, 255, 65, 0.3);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
    transform: scale(1.1);
}

.carousel-button:active {
    transform: scale(0.95);
}

.carousel-button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-button:disabled:hover {
    background: rgba(0, 255, 65, 0.15);
    box-shadow: none;
    transform: scale(1);
}

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    width: 100%;
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 255, 65, 0.2);
    border: 1px solid rgba(0, 255, 65, 0.4);
    cursor: pointer;
    transition: all var(--transition-fast);
    will-change: transform;
}

.carousel-indicator:hover {
    background: rgba(0, 255, 65, 0.4);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
    transform: scale(1.3);
}

/* Responsive Carousel */
@media (max-width: 768px) {
    .carousel-button {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .carousel-controls {
        gap: 1.25rem;
    }
    
    .carousel-controls::before {
        width: 160px;
        height: 56px;
    }
    
    .skills-carousel {
        max-width: 100%;
    }

    .skill-category-container {
        min-height: 320px;
        padding: 1.5rem 1.25rem 2rem;
    }

    .skill-category-container .category-title {
        font-size: 1.35rem;
        margin-bottom: 1.25rem;
    }

    .skills-grid-carousel {
        grid-template-columns: repeat(auto-fit, 140px);
        gap: 0.85rem;
        justify-content: center;
    }
    
    .carousel-item .skill-card {
        width: 140px;
        min-height: 130px;
        max-height: 130px;
        padding: 1rem 0.75rem;
    }
    
    .skill-icon {
        font-size: 1.85rem;
    }
}

@media (max-width: 480px) {
    .carousel-button {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }
    
    .carousel-controls {
        gap: 1rem;
    }
    
    .carousel-controls::before {
        width: 140px;
        height: 52px;
    }
    
    .carousel-button:hover,
    .carousel-button:active {
        transform: scale(1.05);
    }
    
    .skills-carousel {
        padding: 0;
        max-width: 100%;
    }

    .skill-category-container {
        min-height: 320px;
        padding: 1.25rem 0.85rem 1.75rem;
    }

    .skill-category-container .category-title {
        font-size: 1.15rem;
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .skills-grid-carousel {
        grid-template-columns: repeat(auto-fit, 130px);
        gap: 0.75rem;
        justify-content: center;
    }
    
    .carousel-item .skill-card {
        width: 130px;
        min-height: 120px;
        max-height: 120px;
        padding: 1rem 0.75rem;
    }

    .skill-icon {
        font-size: 1.65rem;
        margin-bottom: 0.35rem;
    }

    .skill-card h4 {
        font-size: 0.85rem;
    }

    .skill-description {
        font-size: 0.65rem;
    }
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */
.portfolio {
    background: var(--bg-secondary);
}

/* Portfolio Carousel */
.portfolio-carousel-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.portfolio-carousel {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
}

.portfolio-carousel .carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    will-change: transform;
}

.portfolio-carousel .carousel-item {
    min-width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    opacity: 0.25;
    transition: opacity 0.5s ease, transform 0.5s ease;
    transform: scale(0.92);
    pointer-events: none;
}

.portfolio-carousel .carousel-item.active {
    opacity: 1;
    transform: scale(1);
    animation: fadeInCarousel 0.5s ease forwards;
    pointer-events: auto;
}

.portfolio-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(0, 255, 65, 0.3);
    transition: var(--transition-normal);
    cursor: pointer;
    width: 100%;
    display: block;
    text-decoration: none;
    color: inherit;
}

.portfolio-card-no-link {
    cursor: default;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 255, 65, 0.3);
    border-color: var(--primary-color);
}

.portfolio-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: #000000;
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.portfolio-image i {
    position: relative;
    z-index: 1;
}

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-tags span {
    padding: 0.375rem 0.875rem;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid rgba(0, 255, 65, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--primary-color);
    transition: var(--transition-fast);
}

.portfolio-tags span:hover {
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--primary-color);
}

/* ========================================
   EXPERIENCE SECTION
   ======================================== */
.experience {
    background: transparent; /* Removido el gradiente para que se vea el Matrix */
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, 
        transparent 0%, 
        var(--primary-color) 10%, 
        var(--primary-color) 90%, 
        transparent 100%
    );
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-dot {
    display: none;
}

@keyframes pulse-dot {
    0%, 100% {
        box-shadow: 0 0 0 4px var(--primary-color), 0 0 20px rgba(0, 255, 65, 0.6);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(0, 255, 65, 0.3), 0 0 30px rgba(0, 255, 65, 0.8);
    }
}

.timeline-date {
    position: absolute;
    top: 0;
    left: -150px;
    width: 120px;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-date {
    order: 2;
}

.date-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: #000000;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
    border: 2px solid var(--bg-primary);
    white-space: nowrap;
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(0, 255, 65, 0.3);
    box-shadow: 0 4px 20px rgba(0, 255, 65, 0.15);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    margin-left: 0;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.timeline-content:hover::before {
    transform: scaleX(1);
}

.timeline-content:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 255, 65, 0.3);
    border-color: var(--primary-color);
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 1.75rem;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
    border: 3px solid var(--bg-primary);
    margin-bottom: 1.25rem;
    transition: var(--transition-normal);
}

.timeline-content:hover .timeline-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.6);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
}

.timeline-content h4 {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-content h4 i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.experience-description {
    margin: 1.5rem 0;
}

.experience-description p {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.6;
}

.experience-description p i {
    color: var(--primary-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.timeline-tags span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 255, 65, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    border: 1px solid rgba(0, 255, 65, 0.3);
    transition: var(--transition-fast);
}

.timeline-tags span i {
    font-size: 0.75rem;
}

.timeline-tags span:hover {
    background: rgba(0, 255, 65, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    background: var(--bg-secondary);
}

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

.contact-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(0, 255, 65, 0.3);
    transition: var(--transition-normal);
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 35px rgba(0, 255, 65, 0.3);
    border-color: var(--primary-color);
}

.contact-card i {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    color: var(--primary-color);
    filter: drop-shadow(0 0 10px rgba(0, 255, 65, 0.4));
    transition: var(--transition-normal);
}

.contact-card:hover i {
    transform: scale(1.1);
    filter: drop-shadow(0 0 20px rgba(0, 255, 65, 0.6));
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-muted);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-primary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--primary-color);
    box-shadow: 0 -5px 20px rgba(0, 255, 65, 0.1);
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
    text-align: left;
}

.footer-section h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.footer-contact,
.footer-social {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link,
.footer-social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.footer-link:hover,
.footer-social-link:hover {
    color: var(--primary-color);
    background: rgba(0, 255, 65, 0.05);
    transform: translateX(5px);
}

.footer-link i,
.footer-social-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 255, 65, 0.2);
}

.footer-bottom p {
    color: var(--text-muted);
    margin: 0;
}

/* ========================================
   WHATSAPP BUTTON
   ======================================== */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(0, 255, 65, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    border: 3px solid #000000;
    animation: pulse-glow 3s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 10px 40px rgba(0, 255, 65, 0.5);
}

.whatsapp-button i {
    animation: none;
}

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

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

@keyframes blink {
    50% {
        opacity: 0;
    }
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(0, 255, 65, 0.4);
    }
    50% {
        box-shadow: 0 8px 35px rgba(0, 255, 65, 0.6);
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablets y dispositivos medianos (1024px - 768px) */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .container {
        max-width: 960px;
        padding: 0 1.5rem;
    }
    
    .hero-content {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    /* Ajuste de skill cards en carrusel */
    .skill-category-container {
        width: 85%;
        min-height: 300px;
    }
    
    .skills-grid-carousel {
        grid-template-columns: repeat(auto-fit, 145px);
        gap: 0.95rem;
    }
    
    .carousel-item .skill-card {
        width: 145px;
        min-height: 135px;
        max-height: 135px;
    }
    
    /* Contact cards */
    .contact-info {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 1.5rem;
    }
}

/* Tablets pequeñas y móviles grandes (768px - 640px) */
@media (max-width: 968px) {
    html {
        font-size: 14px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Imagen de perfil ajustada */
    .profile-img-wrapper {
        width: 280px;
        height: 280px;
    }
    
    .profile-card {
        padding: 1.5rem;
    }
    
    .tech-icons {
        font-size: 1.75rem;
    }
    
    /* Navegación móvil */
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(10px);
        transition: var(--transition-normal);
        border-right: 1px solid var(--primary-color);
        z-index: 999;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav ul {
        flex-direction: column;
        padding: 2rem;
        gap: 0;
    }
    
    .nav ul li {
        border-bottom: 1px solid rgba(0, 255, 65, 0.2);
        width: 100%;
    }
    
    .nav-link {
        padding: 1rem;
        font-size: 1.25rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* Logo ajustado */
    .logo img {
        width: 45px;
        height: 45px;
    }
    
    .logo {
        font-size: 1.35rem;
    }
    
    /* Skills */
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
    
    .skill-category {
        padding: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }

    /* Timeline responsive */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 60px;
        margin-bottom: 3rem;
    }

    .timeline-date {
        position: static;
        width: auto;
        text-align: left;
        margin-bottom: 1rem;
    }

    .timeline-content {
        width: 100%;
        padding: 1.5rem;
    }
    
    .timeline-icon {
        width: 55px;
        height: 55px;
        font-size: 1.6rem;
    }

    /* Footer responsive */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-link,
    .footer-social-link {
        justify-content: center;
    }
}

/* Móviles medianos (640px - 480px) */
@media (max-width: 640px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    /* Hero section */
    .hero {
        padding-top: 70px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .greeting {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Imagen de perfil */
    .profile-img-wrapper {
        width: 250px;
        height: 250px;
    }
    
    .profile-card {
        padding: 1.25rem;
    }
    
    .tech-icons {
        font-size: 1.5rem;
    }

    /* WhatsApp button */
    .whatsapp-button {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
    
    /* Logo */
    .logo img {
        width: 42px;
        height: 42px;
    }
    
    .logo {
        font-size: 1.25rem;
    }

    /* Skills */
    .skill-category {
        padding: 1.5rem;
    }
    
    .category-title {
        font-size: 1.35rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .skill-card {
        padding: 1.5rem;
    }
    
    .skill-icon {
        font-size: 2rem;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-carousel {
        max-width: 100%;
    }
    
    .portfolio-card {
        margin: 0 0.5rem;
    }
    
    .portfolio-image {
        height: 180px;
        font-size: 3rem;
    }
    
    .portfolio-content {
        padding: 1.25rem;
    }
    
    .portfolio-content h3 {
        font-size: 1.35rem;
    }

    /* Timeline mobile */
    .timeline {
        padding-left: 40px;
    }

    .timeline-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .timeline-content h3 {
        font-size: 1.25rem;
    }

    .timeline-content h4 {
        font-size: 0.9rem;
    }

    .experience-description p {
        font-size: 0.9rem;
    }

    .timeline-tags {
        gap: 0.5rem;
    }

    .timeline-tags span {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }
    
    /* About */
    .about-text p {
        font-size: 1rem;
    }
    
    .interests h3 {
        font-size: 1.35rem;
    }
    
    .tag {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    /* Footer mobile */
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-content {
        gap: 1.5rem;
    }

    .footer-section h3 {
        font-size: 1.1rem;
    }

    .footer-link,
    .footer-social-link {
        font-size: 0.9rem;
        padding: 0.4rem;
    }

    .footer-link i,
    .footer-social-link i {
        font-size: 1.1rem;
    }
    
    /* Contact cards */
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 2rem;
    }
    
    .contact-card i {
        font-size: 2.5rem;
    }
}

/* Móviles pequeños (menos de 480px) */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    /* Hero section */
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.15rem;
    }
    
    .greeting {
        font-size: 0.95rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    /* Imagen de perfil más pequeña */
    .profile-img-wrapper {
        width: 220px;
        height: 220px;
    }
    
    .profile-card {
        padding: 1rem;
    }
    
    .tech-icons {
        font-size: 1.35rem;
    }
    
    /* Header */
    .header-content {
        padding: 0.75rem 0;
    }
    
    .logo img {
        width: 38px;
        height: 38px;
    }
    
    .logo {
        font-size: 1.15rem;
        gap: 0.75rem;
    }
    
    .menu-toggle {
        font-size: 1.35rem;
    }
    
    /* Botones */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    /* WhatsApp button */
    .whatsapp-button {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
        font-size: 1.35rem;
        border: 2px solid #000000;
    }
    
    /* Skills */
    .skill-category {
        padding: 1.25rem;
    }
    
    .category-title {
        font-size: 1.25rem;
    }
    
    .skill-card {
        padding: 1.25rem;
    }
    
    .skill-icon {
        font-size: 1.85rem;
    }
    
    .skill-card h4 {
        font-size: 0.85rem;
    }
    
    .skill-description {
        font-size: 0.65rem;
    }
    
    /* Portfolio */
    .portfolio-image {
        height: 160px;
        font-size: 2.5rem;
    }
    
    .portfolio-content {
        padding: 1rem;
    }
    
    .portfolio-content h3 {
        font-size: 1.25rem;
    }
    
    .portfolio-content p {
        font-size: 0.85rem;
    }
    
    .portfolio-tags span {
        font-size: 0.75rem;
        padding: 0.3rem 0.7rem;
    }
    
    /* Timeline */
    .timeline {
        padding-left: 35px;
    }
    
    .timeline::before {
        left: 15px;
        width: 3px;
    }
    
    .timeline-item {
        padding-left: 50px;
        margin-bottom: 2.5rem;
    }
    
    .timeline-icon {
        width: 45px;
        height: 45px;
        font-size: 1.35rem;
        margin-bottom: 1rem;
    }
    
    .timeline-content {
        padding: 1.25rem;
    }
    
    .timeline-content h3 {
        font-size: 1.15rem;
    }
    
    .timeline-content h4 {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    
    .experience-description p {
        font-size: 0.85rem;
        gap: 0.5rem;
    }
    
    .timeline-tags span {
        font-size: 0.7rem;
        padding: 0.35rem 0.65rem;
    }
    
    .date-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
    
    /* About */
    .about-text p {
        font-size: 0.95rem;
    }
    
    .interests h3 {
        font-size: 1.25rem;
    }
    
    .tag {
        padding: 0.45rem 0.9rem;
        font-size: 0.8rem;
    }
    
    /* Contact */
    .contact-card {
        padding: 1.75rem;
    }
    
    .contact-card i {
        font-size: 2.25rem;
        margin-bottom: 1rem;
    }
    
    .contact-card h3 {
        font-size: 1.15rem;
    }
    
    .contact-card p {
        font-size: 0.9rem;
    }
    
    /* Footer */
    .footer {
        padding: 1.5rem 0 1rem;
    }
    
    .footer-section h3 {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .footer-link,
    .footer-social-link {
        font-size: 0.85rem;
        padding: 0.35rem;
        gap: 0.6rem;
    }
    
    .footer-link i,
    .footer-social-link i {
        font-size: 1rem;
        width: 20px;
    }
    
    .footer-bottom {
        padding-top: 1.5rem;
    }
    
    .footer-bottom p {
        font-size: 0.8rem;
    }
}

/* Pantallas muy pequeñas (menos de 360px) */
@media (max-width: 360px) {
    html {
        font-size: 12px;
    }
    
    .profile-img-wrapper {
        width: 200px;
        height: 200px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .logo img {
        width: 35px;
        height: 35px;
    }
    
    .whatsapp-button {
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
    
    .timeline-icon {
        width: 40px;
        height: 40px;
        font-size: 1.15rem;
    }
    
    .carousel-button {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }
    
    .carousel-controls {
        gap: 0.75rem;
    }
    
    .carousel-controls::before {
        width: 130px;
        height: 50px;
    }
}


/* ========================================
   ORIENTACIÓN HORIZONTAL (LANDSCAPE)
   ======================================== */

/* Móviles en landscape */
@media (max-height: 600px) and (orientation: landscape) {
    html {
        scroll-padding-top: 60px;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        text-align: left;
    }
    
    .profile-img-wrapper {
        width: 200px;
        height: 200px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .btn {
        width: auto;
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .tech-icons {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .profile-card {
        padding: 1rem;
    }
}

/* Tablets en landscape */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .hero-content {
        gap: 2.5rem;
    }
    
    .profile-img-wrapper {
        width: 260px;
        height: 260px;
    }
    
    .hero {
        padding-top: 80px;
    }
}

/* ========================================
   AJUSTES PARA PANTALLAS ANCHAS
   ======================================== */
@media (min-width: 1440px) {
    html {
        font-size: 17px;
    }
    
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 2.25rem;
    }
    
    .section-title {
        font-size: 2.75rem;
    }
    
    /* Mantener tamaños fijos de elementos específicos */
    .profile-img-wrapper {
        width: 300px;
        height: 300px;
    }
    
    .logo img {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-button {
        width: 65px;
        height: 65px;
    }
}

@media (min-width: 1920px) {
    html {
        font-size: 18px;
    }
    
    .container {
        max-width: 1600px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
}

/* ========================================
   AJUSTES ESPECÍFICOS PARA TOUCH DEVICES
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    /* Aumentar tamaños de botones para mejor touch target */
    .btn {
        min-height: 44px;
        padding: 1rem 2rem;
    }
    
    .menu-toggle {
        min-width: 44px;
        min-height: 44px;
        padding: 0.5rem;
    }
    
    .carousel-button {
        min-width: 44px;
        min-height: 44px;
    }
    
    .carousel-indicator {
        width: 12px;
        height: 12px;
        min-width: 44px;
        min-height: 44px;
        position: relative;
    }
    
    .carousel-indicator::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 44px;
        height: 44px;
    }
    
    /* Eliminar efectos hover en dispositivos táctiles */
    .profile-card-glow,
    .profile-img-shine {
        display: none;
    }
    
    .nav-link::before {
        display: none;
    }
}

/* ========================================
   IMPRESIÓN
   ======================================== */
@media print {
    #matrixCanvas,
    .whatsapp-button,
    .menu-toggle,
    .hero-background,
    body::before {
        display: none !important;
    }
    
    .header {
        position: relative;
        box-shadow: none;
    }
    
    section {
        page-break-inside: avoid;
    }
    
    * {
        color: #000 !important;
        background: #fff !important;
    }
}

/* ========================================
   ACCESSIBILITY - REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .carousel-track,
    .carousel-item,
    .profile-img-wrapper {
        transition: none !important;
    }
}

/* ========================================
   MEJORAS DE CONTRASTE Y ACCESIBILIDAD
   ======================================== */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #00ff00;
        --text-primary: #00ff00;
        --bg-primary: #000000;
    }
    
    .nav-link,
    .btn,
    .portfolio-card,
    .skill-card {
        border-width: 2px;
    }
}

/* ========================================
   NAVEGACIÓN POR TECLADO
   ======================================== */
.keyboard-nav *:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 4px;
    box-shadow: 0 0 0 2px #000000, 0 0 0 5px var(--primary-color);
}

.keyboard-nav button:focus,
.keyboard-nav a:focus {
    z-index: 10;
}

/* ========================================
   UTILIDADES RESPONSIVE
   ======================================== */

/* Ocultar elementos en diferentes tamaños */
.hide-mobile {
    display: block;
}

.hide-desktop {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
    
    .hide-desktop {
        display: block;
    }
}

/* Ajustes de espaciado responsive */
@media (max-width: 968px) {
    :root {
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
}

/* Mejoras de rendimiento para animaciones */
.carousel-track,
.profile-img-wrapper,
.portfolio-card,
.skill-card {
    will-change: transform;
}

/* Deshabilitar will-change después de la animación */
.carousel-item.active {
    will-change: auto;
}

/* Smooth scrolling con fallback */
@supports (scroll-behavior: smooth) {
    html {
        scroll-behavior: smooth;
    }
}

/* Optimización de imágenes */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Prevenir zoom en inputs en iOS */
@media (max-width: 640px) {
    input,
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* Mejoras para pantallas táctiles */
@media (hover: none) {
    .btn:active {
        transform: scale(0.95);
    }
    
    .portfolio-card:active {
        transform: translateY(-5px);
    }
    
    .skill-card:active {
        transform: translateY(-4px);
    }
}

/* Container queries para componentes modernos */
@supports (container-type: inline-size) {
    .skill-category {
        container-type: inline-size;
        container-name: skill-category;
    }
    
    @container skill-category (max-width: 600px) {
        .skills-grid-carousel {
            grid-template-columns: repeat(auto-fit, 120px);
        }
    }
}

/* Ajustes para modo oscuro del sistema (ya está oscuro por defecto) */
@media (prefers-color-scheme: light) {
    /* El portfolio tiene un tema oscuro fijo, pero podríamos añadir esta opción */
    /* Por ahora solo mantenemos el tema oscuro */
}

/* Ajuste de altura dinámica para mobile (usando custom property) */
.hero {
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
}

/* Mejoras de rendimiento: GPU acceleration */
.header,
.whatsapp-button,
.carousel-track,
.profile-img-wrapper {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Safe area insets para dispositivos con notch */
@supports (padding: env(safe-area-inset-left)) {
    .container {
        padding-left: max(2rem, env(safe-area-inset-left));
        padding-right: max(2rem, env(safe-area-inset-right));
    }
    
    @media (max-width: 640px) {
        .container {
            padding-left: max(1rem, env(safe-area-inset-left));
            padding-right: max(1rem, env(safe-area-inset-right));
        }
    }
    
    .header {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        top: env(safe-area-inset-top);
    }
    
    .whatsapp-button {
        right: max(30px, calc(30px + env(safe-area-inset-right)));
        bottom: max(30px, calc(30px + env(safe-area-inset-bottom)));
    }
    
    @media (max-width: 640px) {
        .whatsapp-button {
            right: max(20px, calc(20px + env(safe-area-inset-right)));
            bottom: max(20px, calc(20px + env(safe-area-inset-bottom)));
        }
    }
}

/* Prevenir scroll horizontal en dispositivos pequeños */
body,
html {
    overflow-x: hidden;
    max-width: 100%;
}

/* Mejorar tap highlight en móviles */
a,
button,
.carousel-indicator,
.menu-toggle {
    -webkit-tap-highlight-color: rgba(0, 255, 65, 0.2);
}

/* Reducir animaciones en conexiones lentas */
@media (prefers-reduced-data: reduce) {
    * {
        animation-duration: 0s !important;
        transition-duration: 0s !important;
    }
    
    #matrixCanvas {
        display: none;
    }
}