/* ============================================
   Variables y Configuración Base
   ============================================ */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;

    --bg-color: #e0e5ec;
    --surface-color: #e0e5ec;
    --text-primary: #2d3748;
    --text-secondary: #718096;

    /* Sombras Neumorphism Mejoradas */
    --shadow-light: -8px -8px 15px rgba(255, 255, 255, 0.4);
    --shadow-dark: 10px 10px 20px rgba(163, 177, 198, 0.6);
    --shadow-inset-light: inset -6px -6px 12px rgba(255, 255, 255, 0.5);
    --shadow-inset-dark: inset 6px 6px 12px rgba(163, 177, 198, 0.4);
    --shadow-hover-light: -10px -10px 20px rgba(255, 255, 255, 0.2);
    --shadow-hover-dark: 10px 10px 20px rgba(163, 177, 198, 0.2);
    --shadow-active: inset -3px -3px 8px rgba(255, 255, 255, 0.7),
        inset 3px 3px 8px rgba(163, 177, 198, 0.5);

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transiciones */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Bordes */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-xl: 40px;
}

/* Dark Mode */
.dark-mode {
    --bg-color: #0f1115;
    --surface-color: #1a1c22;
    --text-primary: #f5f7fa;
    --text-secondary: #a8b0c0;
    --shadow-light: -6px -6px 10px rgba(255, 255, 255, 0.05);
    --shadow-dark: 6px 6px 14px rgba(0, 0, 0, 0.65);
    --shadow-inset-light: inset -3px -3px 6px rgba(255, 255, 255, 0.05);
    --shadow-inset-dark: inset 3px 3px 6px rgba(0, 0, 0, 0.55);
    --accent: #4c8aff;
}
/* ============================================
   Reset y Estilos Base
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ============================================
   Utilidades y Componentes Comunes
   ============================================ */
section {
    padding: var(--spacing-md) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    border-radius: 50px;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -1px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Botones */
.btn {
    padding: 1.1rem 2.2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    background: var(--surface-color);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    box-shadow: var(--shadow-light), var(--shadow-dark);
    color: var(--primary-color);
}

.btn-primary:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-3px);
}

.btn-primary:active {
    box-shadow: var(--shadow-active);
    transform: translateY(0);
}

.btn-secondary {
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    color: var(--secondary-color);
}

.btn svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
}

/* ============================================
   Partículas de Fondo
   ============================================ */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* ============================================
   Loader Neumorphic
   ============================================ */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.7s ease, visibility 0.7s ease;
}



.loader-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    position: relative;
    margin-bottom: 2rem;
    margin-left: 3rem;
}

.loader-spinner::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--primary-color);
    border-right-color: var(--secondary-color);
    animation: spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loader-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
    animation: pulse 1.5s ease-in-out infinite;
}

/* ============================================
   Navegación
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--bg-color);
    z-index: 1000;
    padding: 1.5rem 0;
    transition: padding 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.navbar.hidden {
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.navbar.scrolled {
    padding: 0.75rem 0;
    box-shadow: 0 8px 32px rgba(163, 177, 198, 0.3);
    background: rgba(224, 229, 236, 0.98);
}

.dark-mode .navbar.scrolled {
    background: rgba(26, 28, 34, 0.98);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 0rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.75rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    background: var(--surface-color);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    box-shadow: var(--shadow-active);
    color: var(--primary-color);
    transform: scale(0.97);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--surface-color);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition);
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger:active {
    box-shadow: var(--shadow-active);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   Hero Section - Grid Asimétrico
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
}

.hero-subtitle {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero-role-wrapper {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.hero-role {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 600;
    color: var(--text-secondary);
}

.hero-role-animated {
    position: relative;
    height: 2.5rem;
    overflow: hidden;
    min-width: 200px;
}

.hero-role-animated span {
    position: absolute;
    display: block;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: text-slide 8s infinite;
    animation-fill-mode: both;
    opacity: 0;
}

.hero-role-animated span:nth-child(1) {
    animation-delay: 0s;
}

.hero-role-animated span:nth-child(2) {
    animation-delay: 2s;
}

.hero-role-animated span:nth-child(3) {
    animation-delay: 4s;
}

.hero-role-animated span:nth-child(4) {
    animation-delay: 6s;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 550px;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat-mini {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.5rem;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
}

.stat-mini-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.stat-mini-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    width: 100%;
    max-width: 500px;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    overflow: hidden;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

.code-window {
    background: var(--surface-color);
}

.code-window-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    box-shadow: var(--shadow-light), var(--shadow-dark);
}

.code-dots span:nth-child(1) {
    background: #ff5f56;
}

.code-dots span:nth-child(2) {
    background: #ffbd2e;
}

.code-dots span:nth-child(3) {
    background: #27c93f;
}

.code-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.code-content {
    padding: 2rem 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.code-content pre {
    margin: 0;
}

.code-keyword {
    color: var(--primary-color);
    font-weight: 600;
}

.code-class {
    color: var(--secondary-color);
    font-weight: 600;
}

.code-function {
    color: var(--accent-color);
}

.code-string {
    color: var(--success-color);
}

/* Elementos Flotantes */
.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float-gentle 4s ease-in-out infinite;
}

.floating-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary-color);
}

.floating-icon:nth-child(2) {
    animation-delay: 1s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 32px;
    height: 52px;
    border-radius: 20px;
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    position: relative;
}

.wheel {
    width: 4px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 3px;
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
    box-shadow: 0 0 10px var(--primary-color);
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ============================================
   About Section - Grid Masonry
   ============================================ */
.about {
    background: var(--bg-color);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    grid-auto-rows: minmax(200px, auto);
}

.about-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    padding: 2.5rem;
    transition: var(--transition);
}

.about-card:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-5px);
}

.about-main {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3.5rem;
    align-items: center;
}

.about-image {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition-slow);
}

.image-decoration-blob {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.15;
    filter: blur(40px);
    z-index: -1;
    animation: rotate 20s linear infinite;
}

.border-accent {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    opacity: 0.4;
    transition: var(--transition);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(15%);
    transition: var(--transition-slow);
}

.image-wrapper:hover .about-img {
    transform: scale(1.08);
    filter: grayscale(0%);
}

.image-wrapper:hover .border-accent {
    opacity: 1;
    transform: scale(0.97);
}

.image-wrapper:hover {
    box-shadow: 0 30px 60px rgba(99, 102, 241, 0.25);
    transform: translateY(-5px);
}

.image-badge {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--success-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 2;
}

.dark-mode .image-badge {
    background: rgba(26, 28, 34, 0.85);
    color: #10b981;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.image-badge svg {
    width: 18px;
    height: 18px;
}

.about-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.about-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-item-detailed {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    transition: var(--transition);
}

.stat-item-detailed:hover {
    box-shadow: var(--shadow-light), var(--shadow-dark);
}

.stat-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-light), var(--shadow-dark);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.stat-info h5 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.specialty-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    transition: var(--transition);
    text-align: center;
}

.specialty-item:hover {
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transform: translateY(-3px);
}

.specialty-item svg {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
}

.specialty-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   Skills Section - Grid Dinámico
   ============================================ */
.skills {
    background: var(--bg-color);
}

.skills-grid-advanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.skill-category {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition);
}

.skill-category:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-5px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-icon {
    width: 70px;
    height: 70px;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
}

.category-icon svg {
    width: 35px;
    height: 35px;
    color: var(--primary-color);
}

.category-header h3 {
    font-size: 1.6rem;
    color: var(--text-primary);
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.skill-item {
    width: 100%;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.skill-percentage {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1rem;
}

.skill-bar-modern {
    width: 100%;
    height: 14px;
    background: var(--surface-color);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    position: relative;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 50px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.skill-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.3),
            transparent);
    animation: shimmer 2s infinite;
}

/* Skills con logos */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.skills-grid-logos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.skill-logo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 16px;
    border-radius: 12px;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    transition: var(--transition);
    padding: 1.5rem 1rem;
}

.skill-logo-card:hover {
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transform: translateY(-3px);
}

.skill-logo {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.skill-logo svg {
    width: 100%;
    height: 100%;
}

.skill-logo-name {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.skill-level {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.level-bar {
    width: 100%;
    height: 8px;
    background: var(--surface-color);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    position: relative;
    margin-bottom: 6px;
}

.level-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 50px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.level-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.4),
            transparent);
    animation: shimmer 2s infinite;
}

.level-text {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ============================================
   Portfolio - Bento Grid
   ============================================ */
.portfolio {
    padding: 80px 0;
    background: var(--bg-color);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    padding: 0 1rem;
}

.filter-btn {
    padding: 1rem 2rem;
    background: var(--surface-color);
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: var(--shadow-light), var(--shadow-dark);
    position: relative;
    overflow: hidden;
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.filter-btn.active::after,
.filter-btn:hover::after {
    width: 100%;
}

.filter-btn.active {
    background: var(--surface-color);
    box-shadow: var(--shadow-active);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
}

.filter-btn:active,
.filter-btn.active {
    box-shadow: var(--shadow-active);
    color: var(--primary-color);
    transform: scale(0.98);
}

/* Bento Grid Layout */
.portfolio-grid-improved {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    transform: translateY(20px);
    animation: fadeIn 0.8s forwards;
}

.portfolio-item {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    /*display: flex;*/
    flex-direction: column;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.portfolio-item.hidden {
    display: none !important;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.portfolio-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.portfolio-item.regular {
    height: 100%;
}

.portfolio-item:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-8px);
}

.portfolio-item:not(.hidden):hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-8px) scale(1.02);
}

.project-visual {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.project-image {
    width: 100%;
    height: 250px;
    position: relative;
    transition: transform 0.3s ease;
}

.portfolio-item.featured .project-image {
    height: 100%;
    min-height: 400px;
}

@keyframes itemAppear {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.image-overlay {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.image-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0) 0%,
            rgba(0, 0, 0, 0.4) 30%,
            rgba(0, 0, 0, 0.6) 60%,
            rgba(0, 0, 0, 0.8) 100%);
    opacity: 0.9;
    transition: opacity 0.3s ease;
}


.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(var(--secondary-color), 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .project-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: white;
}

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

.overlay-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.overlay-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.overlay-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-overlay {
    display: inline-block;
    padding: 1rem 2rem;
    background: white;
    color: var(--primary-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
}

.btn-overlay:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.project-info {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    flex: 1;
}

.project-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    align-self: flex-start;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.project-info h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0;
}

.project-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
}

.meta-item svg {
    width: 16px;
    height: 16px;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

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

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.feature-icon {
    width: 20px;
    height: 20px;
    background: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

.tech-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--surface-color);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
}

.portfolio-cta {
    text-align: center;
    margin-top: 3rem;
}

.portfolio-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.portfolio-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    background: var(--surface-color);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    font-weight: 600;
}

.portfolio-link svg {
    width: 18px;
    height: 18px;
}

.portfolio-link:hover {
    color: var(--primary-color);
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-2px);
}

.portfolio-link:active {
    box-shadow: var(--shadow-active);
    transform: translateY(0);
}

/* ============================================
   Sección Experiencia
   ============================================ */
.experience {
    background: var(--bg-color);
}

.experience-timeline {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: relative;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    border-radius: 2px;
}

.experience-item {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition);
    position: relative;
    margin-left: 80px;
}

.experience-item:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-5px);
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    box-shadow: 0 0 0 8px var(--bg-color), 0 0 20px var(--primary-color);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.experience-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin: 0;
}

.experience-date {
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.experience-company {
    font-size: 1.1rem;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.experience-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.experience-description ul {
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.experience-description li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* ============================================
   Sección Contacto - Versión Optimizada
   ============================================ */
.contact {
    background: var(--bg-color);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

/* CTA Principal */
.contact-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.btn-large svg {
    width: 24px;
    height: 24px;
}



/* Tarjetas de Información */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.contact-card {
    padding: 2rem;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition);
    text-align: center;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
}

.contact-card svg {
    width: 40px;
    height: 40px;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.contact-card p,
.contact-card a {
    color: var(--text-secondary);
    margin: 0;
    text-decoration: none;
    transition: var(--transition);
}

.contact-card a:hover {
    color: var(--primary-color);
}

/* Redes Sociales */
.social-section {
    margin: 4rem 0;
}

.social-section h3 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
}

.social-link:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-3px);
}

.social-link svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

/* Footer de Contacto */
.contact-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.response-time {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}



/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--surface-color);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(163, 177, 198, 0.2);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   Theme Toggle
   ============================================ */
.theme-toggle {
    background: var(--surface-color);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Versión en nav */
.theme-toggle.nav-theme {
    width: 50px;
    height: 50px;
    box-shadow: var(--shadow-light), var(--shadow-dark);
}

.theme-toggle.nav-theme:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: translateY(-2px);
}

.theme-toggle.nav-theme:active {
    box-shadow: var(--shadow-active);
    transform: translateY(0);
}

/* Versión flotante */
.theme-toggle.floating-theme {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: var(--shadow-light), var(--shadow-dark);
    z-index: 1000;
}

.theme-toggle.floating-theme:hover {
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: scale(1.1);
}

.theme-toggle.floating-theme:active {
    box-shadow: var(--shadow-active);
    transform: scale(0.95);
}

/* Iconos del tema */
.theme-icon {
    width: 24px;
    height: 24px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary-color);
}

.theme-toggle.floating-theme .theme-icon {
    width: 28px;
    height: 28px;
}

/* Estados de los iconos */
.theme-icon.sun {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

.theme-icon.moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-90deg);
}

/* Estado oscuro */
.dark-mode .theme-icon.sun {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(90deg);
}

.dark-mode .theme-icon.moon {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg);
}

/* Efecto de pulso al cambiar */
.theme-toggle.changing .theme-icon {
    animation: themeChange 0.6s ease-in-out;
}

/* ============================================
   Animaciones
   ============================================ */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

@keyframes pulse-dot {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

@keyframes text-slide {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }

    5%,
    20% {
        transform: translateY(0);
        opacity: 1;
    }

    25%,
    100% {
        transform: translateY(-100%);
        opacity: 0;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(1deg);
    }
}

@keyframes float-gentle {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

@keyframes themeChange {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -50%) scale(0.8);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes float-particle {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }

    50% {
        transform: translate(-20px, -60px) rotate(180deg);
    }

    75% {
        transform: translate(-40px, -30px) rotate(270deg);
    }
}

.portfolio-item {
    animation: fadeIn 0.6s ease-out;
}

/* Animaciones de Scroll */
.animate-on-scroll {
    opacity: 0;
    transition: var(--transition-slow);
}

.animate-on-scroll.animated {
    opacity: 1;
}

/* Animación Fade In Up */
.animate-on-scroll[data-animation="fade-in-up"] {
    transform: translateY(50px);
}

.animate-on-scroll[data-animation="fade-in-up"].animated {
    transform: translateY(0);
}

/* Animación Fade In Left */
.animate-on-scroll[data-animation="fade-in-left"] {
    transform: translateX(-50px);
}

.animate-on-scroll[data-animation="fade-in-left"].animated {
    transform: translateX(0);
}

/* Animación Fade In Right */
.animate-on-scroll[data-animation="fade-in-right"] {
    transform: translateX(50px);
}

.animate-on-scroll[data-animation="fade-in-right"].animated {
    transform: translateX(0);
}

/* Animación Scale */
.animate-on-scroll[data-animation="scale"] {
    transform: scale(0.9);
}

.animate-on-scroll[data-animation="scale"].animated {
    transform: scale(1);
}

/* Delays para animaciones escalonadas */
.animate-on-scroll[style*="--delay"] {
    transition-delay: var(--delay);
}

/* ============================================
   Media Queries - Responsive Design
   ============================================ */

/* Large Desktop: 1400px and above */
@media (min-width: 1400px) {
    .container-wide {
        max-width: 1600px;
        padding: 0 4rem;
    }

    .hero-grid {
        gap: 6rem;
    }

    .portfolio-grid-improved {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
}

/* Desktop: 1200px - 1399px */
@media (max-width: 1399px) and (min-width: 1200px) {
    .container-wide {
        max-width: 1300px;
    }

    .hero-grid {
        gap: 3rem;
    }
}

/* Small Desktop: 1024px - 1199px */
@media (max-width: 1199px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .about-main {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .portfolio-grid-improved {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }

    .portfolio-item.featured {
        grid-template-columns: 1fr;
    }

    .portfolio-item.featured .project-image {
        min-height: 300px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* Tablet Landscape: 992px - 1023px */
@media (max-width: 1023px) and (min-width: 992px) {
    .container {
        max-width: 960px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .skills-grid-advanced {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet Portrait: 768px - 991px */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        max-width: 720px;
        padding: 0 1.5rem;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-role-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

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

    .skills-grid-advanced {
        grid-template-columns: 1fr;
    }

    .portfolio-grid-improved {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-item.featured {
        grid-column: 1 / -1;
    }
}

/* Mobile Landscape: 576px - 767px */
@media (max-width: 767px) {
    .container {
        padding: 0 1rem;
    }

    .container-wide {
        padding: 0 1rem;
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--bg-color);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 10px 30px rgba(163, 177, 198, 0.3);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .navbar {
        transition: padding 0.2s ease, transform 0.3s ease;
    }

    /* Hero Section */
    .hero {
        padding: 6rem 1rem 3rem;
        min-height: 90vh;
    }

    .hero-title {
        font-size: 2.8rem;
        letter-spacing: -1px;
    }

    .hero-role-wrapper {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 0.5rem;
    }

    .hero-role-animated {
        height: auto;
        min-height: 2.5rem;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .stat-mini {
        width: 100%;
        max-width: 200px;
        text-align: center;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    /* About Section */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-card {
        padding: 2rem 1.5rem;
    }

    .about-main {
        gap: 2rem;
    }

    .stats-list {
        gap: 1rem;
    }

    .stat-item-detailed {
        padding: 1.25rem;
        gap: 1rem;
    }

    .specialties-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    /* Skills Section */
    .skills-grid-advanced,
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .skill-category {
        padding: 2rem 1.5rem;
    }

    .skills-grid-logos {
        grid-template-columns: 1fr;
    }

    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    /* Portfolio Section */
    .portfolio-grid-improved {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .portfolio-filters {
        gap: 0.5rem;
        margin-bottom: 3rem;
    }

    .filter-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
    }

    .project-info {
        padding: 1.5rem;
    }

    .project-info h3 {
        font-size: 1.3rem;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .project-meta {
        width: 100%;
        justify-content: flex-start;
    }

    .project-features {
        flex-direction: column;
        gap: 0.75rem;
    }

    .overlay-links {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    /* Experience Section */
    .experience-timeline::before {
        left: 20px;
    }

    .experience-item {
        margin-left: 60px;
        padding: 2rem 1.5rem;
    }

    .experience-item::before {
        left: -50px;
        width: 16px;
        height: 16px;
    }

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    /* Contact Section */
    .contact-grid {
        gap: 2rem;
    }

    .contact-cta {
        align-items: stretch;
    }

    .btn-large {
        width: 100%;
        justify-content: center;
    }

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-item {
        padding: 1.25rem;
        gap: 1rem;
    }

    .social-links {
        justify-content: center;
        align-items: center;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }

    /* Theme Toggle */
    .theme-toggle.nav-theme {
        width: 45px;
        height: 45px;
    }

    .theme-toggle.floating-theme {
        width: 50px;
        height: 50px;
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .theme-toggle.floating-theme .theme-icon {
        width: 24px;
        height: 24px;
    }

    /* General Section Styles */
    section {
        padding: var(--spacing-lg) 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

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

/* Small Mobile: 480px - 575px */
@media (max-width: 575px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-role,
    .hero-role-animated span {
        font-size: 1.3rem;
    }

    .code-content {
        padding: 1.5rem 1rem;
        font-size: 0.8rem;
    }

    .about-content h3 {
        font-size: 1.5rem;
    }

    .stat-info h5 {
        font-size: 1.7rem;
    }

    .category-header h3 {
        font-size: 1.4rem;
    }

    .portfolio-filters {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .filter-btn {
        white-space: nowrap;
    }

    .skills-grid-logos {
        grid-template-columns: 1fr;
    }

    .skill-logo-card {
        padding: 1rem;
    }
}

/* Extra Small Mobile: 320px - 479px */
@media (max-width: 479px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
    }

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

    .section-tag {
        font-size: 0.75rem;
        padding: 0.4rem 1.25rem;
    }

    .about-card {
        padding: 1.5rem 1rem;
    }

    .skill-category {
        padding: 1.5rem 1rem;
    }

    .project-info {
        padding: 1.25rem;
    }

    .project-info h3 {
        font-size: 1.2rem;
    }

    .meta-item {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }

    .tag {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }

    .contact-form {
        padding: 1.5rem 1rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.875rem 1.25rem;
    }

    .theme-toggle.floating-theme {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
    }

    /* Floating icons hidden on very small screens */
    .floating-icon {
        display: none;
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
    .hero-card {
        transform: translateZ(0);
    }
}

/* Print Styles */
@media print {

    .navbar,
    .hero-buttons,
    .portfolio-filters,
    .social-links,
    .contact-form,
    .footer {
        display: none;
    }

    .hero {
        padding: 2rem 0;
        min-height: auto;
    }

    section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }

    .container {
        max-width: 100%;
    }

    body {
        background: white;
        color: black;
        font-size: 12pt;
        line-height: 1.4;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero-role-animated span {
        animation: none;
        position: static;
        display: inline;
    }

    .hero-role-animated {
        height: auto;
        overflow: visible;
    }

    .floating,
    .floating-icon {
        animation: none;
    }

    .scroll-indicator {
        animation: none;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .portfolio-item:hover {
        transform: none;
        box-shadow: var(--shadow-light), var(--shadow-dark);
    }

    .skill-category:hover,
    .about-card:hover,
    .contact-item:hover {
        transform: none;
        box-shadow: var(--shadow-light), var(--shadow-dark);
    }

    .nav-link:hover {
        transform: none;
        box-shadow: var(--shadow-light), var(--shadow-dark);
    }

    .btn:hover::before {
        width: 0;
        height: 0;
    }

    .btn:hover {
        transform: none;
        box-shadow: var(--shadow-light), var(--shadow-dark);
    }
}

/* Orientation Specific */
@media (max-width: 767px) and (orientation: landscape) {
    .hero {
        min-height: 120vh;
        padding: 6rem 1rem 2rem;
    }

    .hero-grid {
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }
}

/* Very Large Screens */
@media (min-width: 1920px) {
    .container-wide {
        max-width: 1800px;
    }

    .hero-grid {
        max-width: 1600px;
    }

    .section-title {
        font-size: 4rem;
    }
}





/* ============================================
   Scrollbar Personalizado - Estilo Neumórfico
   ============================================ */

/* Scrollbar para navegadores WebKit (Chrome, Safari, Edge) */
::-webkit-scrollbar {
    width: 14px;
    background: transparent;
}

::-webkit-scrollbar-track {
    background: var(--surface-color);
    border-radius: var(--radius-sm);
    margin: 4px 0;
    box-shadow: var(--shadow-inset-light), var(--shadow-inset-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    border: 2px solid transparent;
    background-clip: padding-box;
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--surface-color);
    box-shadow: var(--shadow-hover-light), var(--shadow-hover-dark);
    transform: scale(1.05);
}

::-webkit-scrollbar-thumb:active {
    box-shadow: var(--shadow-active);
    background: var(--surface-color);
}

::-webkit-scrollbar-corner {
    background: var(--bg-color);
}

/* Scrollbar para Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--surface-color) var(--bg-color);
}

/* Scrollbar específico para elementos con overflow */
.scroll-container {
    scrollbar-width: thin;
    scrollbar-color: var(--surface-color) var(--bg-color);
}

.scroll-container::-webkit-scrollbar {
    width: 10px;
}

.scroll-container::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    margin: 2px;
}

.scroll-container::-webkit-scrollbar-thumb {
    background: var(--surface-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-light), var(--shadow-dark);
    border: 2px solid var(--bg-color);
}

/* Scrollbar para modo oscuro */
.dark-mode ::-webkit-scrollbar-track {
    background: var(--surface-color);
    box-shadow: var(--shadow-inset-dark), var(--shadow-inset-light);
}

.dark-mode ::-webkit-scrollbar-thumb {
    background: var(--surface-color);
    box-shadow: var(--shadow-dark), var(--shadow-light);
}

.dark-mode ::-webkit-scrollbar-thumb:hover {
    box-shadow: var(--shadow-hover-dark), var(--shadow-hover-light);
}

.dark-mode * {
    scrollbar-color: var(--surface-color) var(--bg-color);
}

/* Scrollbar con acento de color */
.scroll-primary::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    box-shadow:
        0 0 0 2px var(--primary-color),
        var(--shadow-light),
        var(--shadow-dark);
}

.scroll-primary::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
    box-shadow:
        0 0 0 2px var(--secondary-color),
        var(--shadow-hover-light),
        var(--shadow-hover-dark);
}

/* Animación suave para el scroll */
html {
    scroll-behavior: smooth;
}

/* Estilos para navegadores que soportan scrollbar-color */
@supports (scrollbar-color: auto) {
    :root {
        scrollbar-color: var(--surface-color) var(--bg-color);
        scrollbar-width: thin;
    }

    .dark-mode {
        scrollbar-color: var(--surface-color) var(--bg-color);
    }
}

/* Mejoras de rendimiento para scroll */
* {
    scroll-behavior: smooth;
}

/* Scroll personalizado para elementos específicos */
.code-block::-webkit-scrollbar {
    height: 8px;
}

.code-block::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: var(--radius-sm);
}

.code-block::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: var(--radius-sm);
    opacity: 0.6;
}

/* Estados de foco para accesibilidad */
::-webkit-scrollbar-thumb:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}