/* Variables CSS */
:root {
    /* Colores principales */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Colores principales del tema */
    --color-cyan-400: #22d3ee;
    --color-cyan-500: #06b6d4;
    --color-cyan-600: #0891b2;
    --color-purple-400: #a78bfa;
    --color-purple-500: #8b5cf6;
    --color-purple-600: #7c3aed;
    --color-emerald-400: #34d399;
    --color-emerald-500: #10b981;
    --color-emerald-600: #059669;
    --color-yellow-400: #fbbf24;
    --color-orange-500: #f97316;
    --color-pink-500: #ec4899;
    --color-red-500: #ef4444;
    --color-blue-500: #3b82f6;
    --color-green-400: #4ade80;
    --color-green-500: #22c55e;
    --color-teal-500: #14b8a6;
    --color-indigo-500: #6366f1;

    /* Fuentes */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;

    /* Espaciado */
    --container-max-width: 1280px;
    --section-padding: 5rem 0;
    --element-padding: 1rem;

    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-very-slow: 1s ease;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
}

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

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

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

body {
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--color-black);
    color: var(--color-white);
    overflow-x: hidden;
    line-height: 1.5;
}

body.loading {
    overflow: hidden;
}

body.loading .hero-section {
    visibility: hidden;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(6, 182, 212, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(6, 182, 212, 0.5);
}

/* Ocultar scrollbar en móvil */
@media (max-width: 640px) {
    ::-webkit-scrollbar {
        width: 0px;
        background: transparent;
    }
    
    ::-webkit-scrollbar-track {
        background: transparent;
    }
    
    ::-webkit-scrollbar-thumb {
        background: transparent;
    }
    
    /* Firefox */
    html {
        scrollbar-width: none;
    }
    
    /* IE/Edge */
    body {
        -ms-overflow-style: none;
    }
}

/* Utilidades base */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Contenedor principal */
.main-content {
    overflow-x: hidden;
    max-width: 100%;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

.section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Prevenir overflow en animaciones en móvil */
@media (max-width: 640px) {
    @keyframes fadeInLeft {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes fadeInRight {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(6, 182, 212, 0.6);
    }
}

@keyframes gradient-animation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes float-particles {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
        animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
    }
    50% {
        transform: translateY(-25%);
        animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
    }
}

@keyframes twinkle {
    0%, 100% { 
        opacity: 0.3; 
        transform: scale(1); 
    }
    50% { 
        opacity: 1; 
        transform: scale(1.2); 
    }
}

@keyframes gridMove {
    0% { 
        transform: translate(0, 0); 
    }
    100% { 
        transform: translate(100px, 100px); 
    }
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) scale(1); 
        opacity: 0.6; 
    }
    50% { 
        transform: translateY(-10px) scale(1.1); 
        opacity: 1; 
    }
}

@keyframes star-twinkle {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1) rotate(0deg);
    }
    50% {
        opacity: 0.3;
        transform: scale(0.8) rotate(180deg);
    }
}

@keyframes star-drift {
    0% {
        transform: translateX(-10px) translateY(-10px);
    }
    50% {
        transform: translateX(10px) translateY(5px);
    }
    100% {
        transform: translateX(-5px) translateY(-5px);
    }
}

/* Clases de utilidad para gradientes */
.gradient-text {
    background: linear-gradient(to right, var(--color-white), var(--color-cyan-400), var(--color-purple-400));
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-animation 3s ease infinite;
}

.gradient-text-multi {
    background: linear-gradient(to right, var(--color-cyan-400), var(--color-purple-400), var(--color-emerald-400));
    background-size: 200% 200%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-animation 3s ease infinite;
}

.highlight-cyan {
    color: var(--color-cyan-400);
    font-weight: 600;
}

.highlight-purple {
    color: var(--color-purple-400);
    font-weight: 600;
}

/* Efectos glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* LOADER */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    margin: 0;
    padding: 0;
}

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

.loader-content {
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 20rem;
    padding: 0 1rem;
    margin: 0;
}

.loader-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    position: relative;
}

.loader-ring-outer {
    position: absolute;
    inset: 0;
    border: 4px solid rgba(6, 182, 212, 0.3);
    border-radius: 50%;
}

.loader-ring-inner {
    position: absolute;
    inset: 0;
    border: 4px solid transparent;
    border-top-color: var(--color-cyan-500);
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

.loader-ring-inner-reverse {
    position: absolute;
    inset: 8px;
    border: 4px solid transparent;
    border-top-color: var(--color-purple-500);
    border-radius: 50%;
    animation: spin 1.5s linear infinite reverse;
}

.loader-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
}

.loader-subtitle {
    color: var(--color-cyan-400);
    margin-bottom: 2rem;
}

.progress-bar {
    width: 16rem;
    height: 0.5rem;
    background: var(--color-gray-800);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    transition: width var(--transition-normal);
    border-radius: var(--radius-full);
}

.progress-text {
    color: var(--color-gray-400);
    margin-top: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.loader-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

/* NAVEGACIÓN */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: transform var(--transition-slow);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.navbar.visible {
    transform: translateY(0);
}

.navbar-content {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.875rem;
}

.logo-text {
    color: var(--color-white);
    font-weight: 700;
    display: none;
}

@media (min-width: 640px) {
    .logo-text {
        display: block;
    }
}

.navbar-desktop {
    display: none;
    align-items: center;
    gap: 0.25rem;
}

@media (min-width: 768px) {
    .navbar-desktop {
        display: flex;
    }
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-300);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-item:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    color: var(--color-white);
}

.nav-icon {
    margin-right: 0.5rem;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 1.5rem;
    height: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-lg);
    color: var(--color-gray-300);
    transition: all var(--transition-normal);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.hamburger-line {
    display: block;
    height: 2px;
    width: 1.5rem;
    background: currentColor;
    transition: all var(--transition-normal);
}

.hamburger-line + .hamburger-line {
    margin-top: 3px;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-menu {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    transition: all var(--transition-normal);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none;
    }
}

.mobile-menu.open {
    max-height: 100vh;
    opacity: 1;
}

.mobile-menu-content {
    padding: 0.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    text-align: left;
    color: var(--color-gray-300);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.mobile-nav-item:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.mobile-nav-item.active {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    color: var(--color-white);
}

/* Indicador de progreso de scroll */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
}

.scroll-progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    transition: width var(--transition-fast);
}

/* Navegación flotante lateral */
.floating-nav {
    position: fixed;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 40;
    display: none;
}

@media (min-width: 1024px) {
    .floating-nav {
        display: block;
    }
}

.floating-nav-content {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-full);
    padding: 0.5rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.floating-nav-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--color-gray-600);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.floating-nav-dot:hover {
    background: var(--color-gray-400);
}

.floating-nav-dot.active {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    transform: scale(1.25);
}

/* HERO SECTION */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-black);
}

.hero-background {
    position: absolute;
    inset: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, var(--color-gray-900), var(--color-black), var(--color-gray-900));
}

.hero-parallax {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background: radial-gradient(circle at 50% 50%, cyan 0%, transparent 50%), radial-gradient(circle at 30% 70%, purple 0%, transparent 50%);
}

/* Paralaje para todas las secciones */
.section-parallax {
    position: absolute;
    inset: 0;
    opacity: 0;
    background: radial-gradient(circle at 50% 50%, cyan 0%, transparent 50%), radial-gradient(circle at 30% 70%, purple 0%, transparent 50%);
    transition: opacity var(--transition-slow);
    pointer-events: none;
    z-index: 1;
}

.section-parallax.active {
    opacity: 0.05;
}

/* Estrellas animadas para secciones */
.section-stars {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.section-star {
    position: absolute;
    background: #ffffff;
    border-radius: 50%;
    opacity: 0.8;
    box-shadow: 0 0 6px currentColor;
}

.section-star.small {
    width: 2px;
    height: 2px;
}

.section-star.medium {
    width: 3px;
    height: 3px;
}

.section-star.large {
    width: 4px;
    height: 4px;
}

/* Animaciones de movimiento para las estrellas */
@keyframes star-drift-vertical {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-16px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes star-drift-horizontal {
    0% {
        transform: translateX(0px);
    }
    50% {
        transform: translateX(14px);
    }
    100% {
        transform: translateX(0px);
    }
}

@keyframes star-drift-diagonal {
    0% {
        transform: translate(0px, 0px);
    }
    25% {
        transform: translate(8px, -8px);
    }
    50% {
        transform: translate(-6px, -12px);
    }
    75% {
        transform: translate(-8px, 8px);
    }
    100% {
        transform: translate(0px, 0px);
    }
}

@keyframes star-twinkle {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.1;
}

.grid-background {
    background-image: 
        linear-gradient(cyan 1px, transparent 1px),
        linear-gradient(90deg, cyan 1px, transparent 1px);
    background-size: 100px 100px;
    animation: gridMove 20s linear infinite;
    width: 100%;
    height: 100%;
}

.hero-particles {
    position: absolute;
    inset: 0;
}

/* Partículas estrella que siguen el mouse */
.star-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.star-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    pointer-events: none;
    animation: star-twinkle 3s ease-in-out infinite;
    box-shadow: 0 0 10px currentColor;
}

.star-particle::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: radial-gradient(circle, var(--color-cyan-400) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.6;
}

.star-particle::after {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    background: radial-gradient(circle, currentColor 0%, transparent 50%);
    border-radius: 50%;
    opacity: 0.3;
}

.star-particle.type-1 {
    background: var(--color-cyan-400);
    animation-duration: 2.5s;
}

.star-particle.type-2 {
    background: var(--color-purple-400);
    animation-duration: 3.5s;
}

.star-particle.type-3 {
    background: var(--color-emerald-400);
    animation-duration: 4s;
}



.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 1rem;
    max-width: 96rem;
    margin: 0 auto;
}

.hero-avatar {
    margin-bottom: 2rem;
    margin-top: 3rem;
}

.avatar-container {
    width: 10rem;
    height: 10rem;
    margin: 0 auto;
    position: relative;
    cursor: pointer;
}

.avatar-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: 50%;
    padding: 4px;
    animation: pulse 2s ease-in-out infinite;
}

.avatar-inner {
    width: 100%;
    height: 100%;
    background: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0.5rem;
}

.avatar-holographic {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent, rgba(6, 182, 212, 0.2), transparent);
    transform: skewX(-12deg) translateX(-100%);
    transition: transform var(--transition-very-slow);
}

.avatar-container:hover .avatar-holographic {
    transform: skewX(-12deg) translateX(100%);
}

.avatar-text {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
}

.avatar-text img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 50%;
}

.hero-name {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-name {
        font-size: 4.5rem;
    }
}

.hero-title-container {
    margin-bottom: 2rem;
}

.hero-title-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(to right, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--radius-full);
    border: 1px solid rgba(6, 182, 212, 0.3);
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: 1.25rem;
    color: var(--color-cyan-400);
    font-weight: 500;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 1.5rem;
    }
}

.hero-description {
    color: var(--color-gray-300);
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.25rem;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.btn-primary, .btn-secondary, .btn-primary-multi {
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    transform: scale(1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    color: var(--color-white);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.25);
}

.btn-secondary {
    border: 1px solid rgba(6, 182, 212, 0.5);
    color: var(--color-cyan-400);
    background: transparent;
}

.btn-secondary:hover {
    background: rgba(6, 182, 212, 0.1);
    transform: scale(1.05);
}

.btn-primary-multi {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500), var(--color-emerald-500));
    color: var(--color-white);
    font-size: 1.125rem;
}

.btn-primary-multi:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.25);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    transition: transform var(--transition-normal);
}

.btn-primary:hover .btn-icon,
.btn-primary-multi:hover .btn-icon {
    transform: translateX(4px);
}

.btn-secondary:hover .btn-icon {
    transform: rotate(12deg);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 32rem;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-number.cyan {
    color: var(--color-cyan-400);
}

.stat-number.purple {
    color: var(--color-purple-400);
}

.stat-number.emerald {
    color: var(--color-emerald-400);
}

.stat-number.yellow {
    color: var(--color-yellow-400);
}

.stat-label {
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-cyan-400);
}

/* EFECTOS DE FONDO GENERALES */
.bg-effect {
    position: absolute;
    border-radius: 50%;
    blur: 3rem;
    opacity: 0.1;
}

.bg-effect-1 {
    top: 25%;
    left: 2.5rem;
    width: 18rem;
    height: 18rem;
    background: var(--color-cyan-500);
}

.bg-effect-2 {
    bottom: 25%;
    right: 2.5rem;
    width: 24rem;
    height: 24rem;
    background: var(--color-purple-500);
}

.bg-effect-3 {
    top: 20%;
    left: 25%;
    width: 24rem;
    height: 24rem;
    background: var(--color-cyan-500);
    animation: pulse 3s ease-in-out infinite;
}

.bg-effect-4 {
    bottom: 20%;
    right: 25%;
    width: 24rem;
    height: 24rem;
    background: var(--color-purple-500);
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 1s;
}

.bg-effect-5 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 37.5rem;
    height: 37.5rem;
    background: var(--color-emerald-500);
    opacity: 0.03;
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 2s;
}

.bg-effect-6 {
    top: 25%;
    left: 2.5rem;
    width: 20rem;
    height: 20rem;
    background: var(--color-cyan-500);
    animation: pulse 3s ease-in-out infinite;
}

.bg-effect-7 {
    bottom: 25%;
    right: 2.5rem;
    width: 20rem;
    height: 20rem;
    background: var(--color-purple-500);
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 1s;
}

.bg-effect-8 {
    top: 33.333333%;
    left: 25%;
    width: 24rem;
    height: 24rem;
    background: var(--color-cyan-500);
}

.bg-effect-9 {
    bottom: 33.333333%;
    right: 25%;
    width: 24rem;
    height: 24rem;
    background: var(--color-purple-500);
}

.bg-effect-10 {
    top: 25%;
    left: 2.5rem;
    width: 24rem;
    height: 24rem;
    background: var(--color-cyan-500);
    animation: pulse 3s ease-in-out infinite;
}

.bg-effect-11 {
    bottom: 25%;
    right: 2.5rem;
    width: 24rem;
    height: 24rem;
    background: var(--color-purple-500);
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 1s;
}

.bg-effect-12 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50rem;
    height: 50rem;
    background: var(--color-emerald-500);
    opacity: 0.05;
    animation: pulse 3s ease-in-out infinite;
    animation-delay: 2s;
}

/* SECCIONES GENERALES */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3.75rem;
    }
}

.section-subtitle {
    color: var(--color-gray-300);
    font-size: 1.25rem;
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.6;
}

.section-divider {
    width: 6rem;
    height: 4px;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    margin: 2rem auto 0;
    border-radius: var(--radius-full);
}

.section-divider-multi {
    width: 8rem;
    height: 4px;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500), var(--color-emerald-500));
    margin: 2rem auto 0;
    border-radius: var(--radius-full);
}

/* ABOUT SECTION */
.about-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900), var(--color-black));
    padding: var(--section-padding);
}

.about-content {
    display: grid;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    opacity: 0;
    transform: translateX(-40px);
    transition: all var(--transition-very-slow);
    transition-delay: 300ms;
}

.about-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-story {
    position: relative;
}

.story-line {
    position: absolute;
    left: -1rem;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-cyan-500), var(--color-purple-500));
    border-radius: var(--radius-full);
}

.story-content {
    padding-left: 2rem;
}

.story-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.story-text {
    color: var(--color-gray-300);
    font-size: 1.125rem;
    line-height: 1.6;
}

.personal-info {
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .personal-info {
        grid-template-columns: 1fr 1fr;
    }
}

.info-card {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.5), rgba(17, 24, 39, 0.5));
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(4px);
}

.location-card {
    border-color: rgba(6, 182, 212, 0.2);
}

.languages-card {
    border-color: rgba(139, 92, 246, 0.2);
}

.license-card {
    border-color: rgba(34, 197, 94, 0.2);
}

.info-card .info-icon {
    width: 2rem;
    height: 2rem;
    background: rgba(6, 182, 212, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.languages-card .info-icon {
    background: rgba(139, 92, 246, 0.2);
}

.license-card .info-icon {
    background: rgba(34, 197, 94, 0.2);
}

.specialization-card {
    border-color: rgba(251, 191, 36, 0.2);
}

.specialization-card .info-icon {
    background: rgba(251, 191, 36, 0.2);
}

.info-title {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.info-text {
    color: var(--color-gray-300);
}

.personality-traits {
    margin-top: 1rem;
}

.traits-title {
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.traits-grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .traits-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.trait-item {
    padding: 1rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(55, 65, 81, 0.5);
    background: rgba(31, 41, 55, 0.3);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.trait-item:hover {
    background: linear-gradient(to bottom right, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
    border-color: rgba(6, 182, 212, 0.5);
    transform: scale(1.05);
}

.trait-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.trait-title {
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.trait-desc {
    color: var(--color-gray-400);
    font-size: 0.75rem;
    line-height: 1.5;
}

.about-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 500ms;
}

.about-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 2rem;
    text-align: center;
}

.education-timeline {
    position: relative;
}

.timeline-line {
    position: absolute;
    left: 1.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-cyan-500), var(--color-purple-500));
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: start;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10;
}

.timeline-dot-inner {
    width: 1.5rem;
    height: 1.5rem;
    background: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-dot-center {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-white);
    border-radius: 50%;
}

.education-timeline .timeline-content {
    margin-left: 1.5rem;
    flex: 1;
}

.timeline-card {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.8), rgba(17, 24, 39, 0.8));
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(55, 65, 81, 0.5);
    backdrop-filter: blur(4px);
    position: relative;
    transition: all var(--transition-normal);
}

.timeline-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
}

.timeline-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(to right, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--color-cyan-400);
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.timeline-degree {
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.timeline-institution {
    color: var(--color-gray-400);
}

.timeline-present {
    position: relative;
    display: flex;
    align-items: center;
}

.present-dot {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(to right, var(--color-green-500), var(--color-cyan-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

.present-dot-inner {
    width: 1.5rem;
    height: 1.5rem;
    background: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.present-dot-ping {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-green-400);
    border-radius: 50%;
    animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes blink {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.present-text {
    margin-left: 1.5rem;
    color: var(--color-green-400);
    font-weight: 600;
}

.about-cta {
    text-align: center;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 700ms;
}

.about-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

.cta-card {
    display: inline-block;
    padding: 2rem;
    background: linear-gradient(to right, rgba(31, 41, 55, 0.5), rgba(17, 24, 39, 0.5));
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(4px);
}

.cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
}

/* PORTFOLIO SECTION */
.portfolio-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900), var(--color-black));
    padding: var(--section-padding);
}

.portfolio-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.portfolio-card {
    position: relative;
    height: 28rem;
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.8), rgba(17, 24, 39, 0.8));
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(6, 182, 212, 0.3);
    backdrop-filter: blur(4px);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-slow);
    opacity: 0;
    transform: translateY(40px);
}

@media (max-width: 768px) {
    .portfolio-card {
        height: auto;
        min-height: 22rem;
    }
    
    .portfolio-card-content {
        padding: 1.5rem;
    }
    
    .portfolio-features {
        margin-bottom: 1rem;
    }
    
    .features-list {
        gap: 0.375rem;
    }
    
    .feature-tag {
        padding: 0.125rem 0.5rem;
        font-size: 0.625rem;
    }
}

.portfolio-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-card:hover {
    transform: scale(1.05);
    z-index: 10;
}

.portfolio-card.cyan {
    border-color: rgba(6, 182, 212, 0.3);
}

.portfolio-card.purple {
    border-color: rgba(139, 92, 246, 0.3);
}

.portfolio-card.emerald {
    border-color: rgba(16, 185, 129, 0.3);
}

.portfolio-card:hover.cyan {
    border-color: rgba(6, 182, 212, 0.6);
}

.portfolio-card:hover.purple {
    border-color: rgba(139, 92, 246, 0.6);
}

.portfolio-card:hover.emerald {
    border-color: rgba(16, 185, 129, 0.6);
}

.portfolio-card-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.portfolio-card.cyan .portfolio-card-hover {
    background: linear-gradient(to bottom right, rgba(6, 182, 212, 0.1), rgba(59, 130, 246, 0.1));
}

.portfolio-card.purple .portfolio-card-hover {
    background: linear-gradient(to bottom right, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
}

.portfolio-card.emerald .portfolio-card-hover {
    background: linear-gradient(to bottom right, rgba(16, 185, 129, 0.1), rgba(20, 184, 166, 0.1));
}

.portfolio-card:hover .portfolio-card-hover {
    opacity: 1;
}

.portfolio-card-content {
    position: relative;
    z-index: 10;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(to bottom right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
    margin-bottom: 1rem;
    transition: transform var(--transition-slow);
}

.portfolio-card.purple .portfolio-icon {
    background: linear-gradient(to bottom right, var(--color-purple-500), var(--color-pink-500));
}

.portfolio-card.emerald .portfolio-icon {
    background: linear-gradient(to bottom right, var(--color-emerald-500), var(--color-teal-500));
}

.portfolio-card:hover .portfolio-icon {
    transform: rotate(12deg);
}

.portfolio-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.portfolio-card-subtitle {
    font-size: 0.875rem;
    font-weight: 500;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.portfolio-card.purple .portfolio-card-subtitle {
    background: linear-gradient(to right, var(--color-purple-500), var(--color-pink-500));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.portfolio-card.emerald .portfolio-card-subtitle {
    background: linear-gradient(to right, var(--color-emerald-500), var(--color-teal-500));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.portfolio-card-desc {
    color: var(--color-gray-300);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    max-height: 4.5rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.portfolio-features {
    margin-bottom: 1.5rem;
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border-radius: var(--radius-full);
    background: linear-gradient(to right, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.portfolio-card.purple .feature-tag {
    background: linear-gradient(to right, rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.2));
}

.portfolio-card.emerald .feature-tag {
    background: linear-gradient(to right, rgba(16, 185, 129, 0.2), rgba(20, 184, 166, 0.2));
}

.portfolio-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.portfolio-link {
    display: flex;
    align-items: center;
    color: var(--color-white);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-normal);
}

.portfolio-link:hover {
    color: var(--color-cyan-400);
}

.portfolio-card.purple .portfolio-link:hover {
    color: var(--color-purple-400);
}

.portfolio-card.emerald .portfolio-link:hover {
    color: var(--color-emerald-400);
}

.portfolio-link-icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.5rem;
    transition: transform var(--transition-normal);
}

.portfolio-link:hover .portfolio-link-icon {
    transform: translateX(4px);
}

.portfolio-action {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-slow);
}

.portfolio-card.purple .portfolio-action {
    background: linear-gradient(to right, var(--color-purple-500), var(--color-pink-500));
}

.portfolio-card.emerald .portfolio-action {
    background: linear-gradient(to right, var(--color-emerald-500), var(--color-teal-500));
}

.portfolio-card:hover .portfolio-action {
    opacity: 1;
    transform: scale(1);
}

.portfolio-action-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-white);
}

.portfolio-bg-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    opacity: 0.05;
}

.portfolio-bg-shape {
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, var(--color-cyan-500), var(--color-blue-500));
    border-bottom-left-radius: 50%;
}

.portfolio-card.purple .portfolio-bg-shape {
    background: linear-gradient(to bottom right, var(--color-purple-500), var(--color-pink-500));
}

.portfolio-card.emerald .portfolio-bg-shape {
    background: linear-gradient(to bottom right, var(--color-emerald-500), var(--color-teal-500));
}

.portfolio-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: var(--radius-2xl);
    blur: 1rem;
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
}

.portfolio-card.purple .portfolio-glow {
    background: linear-gradient(to right, var(--color-purple-500), var(--color-pink-500));
}

.portfolio-card.emerald .portfolio-glow {
    background: linear-gradient(to right, var(--color-emerald-500), var(--color-teal-500));
}

.portfolio-card:hover .portfolio-glow {
    opacity: 0.2;
}

.portfolio-stats {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 700ms;
}

.portfolio-stats.visible {
    opacity: 1;
    transform: translateY(0);
}

.stats-container {
    background: linear-gradient(to right, rgba(31, 41, 55, 0.5), rgba(17, 24, 39, 0.5));
    border-radius: var(--radius-3xl);
    padding: 2rem;
    border: 1px solid rgba(55, 65, 81, 0.5);
    backdrop-filter: blur(4px);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: center;
}

@media (min-width: 768px) {
    .stats-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

.portfolio-cta {
    text-align: center;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 900ms;
}

.portfolio-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

.cta-subtitle {
    color: var(--color-gray-300);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* SKILLS SECTION */
.skills-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900), var(--color-black));
    padding: var(--section-padding);
}

.tech-particles {
    position: absolute;
    inset: 0;
}

.skills-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 300ms;
}

.skills-categories.visible {
    opacity: 1;
    transform: translateY(0);
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    background: rgba(31, 41, 55, 0.5);
    color: var(--color-gray-300);
    border: 1px solid rgba(55, 65, 81, 0.5);
    cursor: pointer;
    transition: all var(--transition-normal);
    transform: scale(1);
}

.category-btn:hover {
    color: var(--color-white);
    background: rgba(55, 65, 81, 0.5);
    transform: scale(1.05);
}

.category-btn.active {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 1.125rem;
}

.skills-content {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.3), rgba(17, 24, 39, 0.3));
    border-radius: var(--radius-3xl);
    padding: 2rem;
    border: 1px solid rgba(55, 65, 81, 0.3);
    backdrop-filter: blur(4px);
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 500ms;
}

.skills-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.category-header {
    text-align: center;
    margin-bottom: 3rem;
}

.category-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: var(--radius-3xl);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.category-header-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.category-header-desc {
    color: var(--color-gray-400);
    font-size: 1.125rem;
}

.skills-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.skill-item {
    position: relative;
    background: rgba(31, 41, 55, 0.5);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid rgba(55, 65, 81, 0.5);
    transition: all var(--transition-normal);
    transform: scale(1);
    opacity: 1;
}

.skill-item:hover {
    border-color: rgba(55, 65, 81, 1);
    transform: scale(1.05);
}

.skill-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.skill-name {
    color: var(--color-white);
    font-weight: 600;
    font-size: 1.125rem;
}

.skill-level {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-cyan-400);
}

.skill-progress {
    position: relative;
    margin-bottom: 0.75rem;
}

.skill-progress-bg {
    width: 100%;
    height: 0.75rem;
    background: var(--color-gray-700);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    transition: width var(--transition-very-slow);
    border-radius: var(--radius-full);
}

.skill-progress-glow {
    position: absolute;
    top: 0;
    height: 0.75rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: var(--radius-full);
    blur: 4px;
    opacity: 0.5;
    transition: width var(--transition-very-slow);
}

.skill-badge {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    background: linear-gradient(to right, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    color: var(--color-cyan-400);
}

.skill-item-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(6, 182, 212, 0.05), rgba(59, 130, 246, 0.05));
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.skill-item:hover .skill-item-hover {
    opacity: 1;
}

.certifications {
    display: grid;
    gap: 2rem;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 700ms;
}

.certifications.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 768px) {
    .certifications {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cert-item {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(to bottom right, rgba(6, 182, 212, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.cert-item:nth-child(2) {
    background: linear-gradient(to bottom right, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
    border-color: rgba(139, 92, 246, 0.2);
}

.cert-item:nth-child(3) {
    background: linear-gradient(to bottom right, rgba(16, 185, 129, 0.1), rgba(20, 184, 166, 0.1));
    border-color: rgba(16, 185, 129, 0.2);
}

.cert-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
    margin: 0 auto 1rem;
}

.cert-icon.purple {
    background: linear-gradient(to right, var(--color-purple-500), var(--color-pink-500));
}

.cert-icon.emerald {
    background: linear-gradient(to right, var(--color-emerald-500), var(--color-teal-500));
}

.cert-title {
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.cert-desc {
    color: var(--color-gray-400);
}

/* EXPERIENCE SECTION */
.experience-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900), var(--color-black));
    padding: var(--section-padding);
}

.grid-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        linear-gradient(rgba(6, 182, 212, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
}

.experience-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 300ms;
}

.experience-tabs.visible {
    opacity: 1;
    transform: translateY(0);
}

.tabs-container {
    background: rgba(31, 41, 55, 0.5);
    padding: 0.5rem;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(55, 65, 81, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    background: none;
    color: var(--color-gray-300);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.875rem;
}

.tab-btn:hover {
    color: var(--color-white);
    background: rgba(55, 65, 81, 0.5);
}

.tab-btn.active {
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.tab-icon {
    font-size: 1.125rem;
}

.timeline-container {
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 500ms;
    max-width: 100%;
    width: 100%;
}

.timeline-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-line-vertical {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--color-cyan-500), var(--color-purple-500), var(--color-cyan-500));
    transform: translateX(-50%);
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    max-width: 100%;
    width: 100%;
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .timeline-content {
        padding: 0 2rem;
    }
}

@media (min-width: 1024px) {
    .timeline-content {
        padding: 0 3rem;
    }
}

@media (max-width: 767px) {
    .timeline-content {
        padding: 0 !important;
    }
}

.timeline-item-exp {
    position: relative;
    display: flex;
    align-items: center;
    transition: all var(--transition-slow);
}

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

.timeline-item-exp:hover {
    transform: scale(1.02);
}

.timeline-exp-content {
    width: 41.666667%;
    text-align: right;
    padding-right: 2rem;
}

.timeline-item-exp:nth-child(even) .timeline-exp-content {
    text-align: left;
    padding-left: 2rem;
    padding-right: 0;
}

.timeline-exp-card {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.8), rgba(17, 24, 39, 0.8));
    padding: 2rem;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(55, 65, 81, 0.5);
    backdrop-filter: blur(4px);
    transition: all var(--transition-slow);
    position: relative;
}

.timeline-exp-card:hover {
    border-color: rgba(6, 182, 212, 0.5);
}

.timeline-exp-type {
    display: inline-block;
    padding: 0.25rem 1rem;
    background: linear-gradient(to right, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2));
    color: var(--color-cyan-400);
    font-size: 0.875rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(6, 182, 212, 0.3);
    margin-bottom: 1rem;
}

.timeline-exp-period {
    color: var(--color-purple-400);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.timeline-exp-position {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.timeline-exp-company {
    color: var(--color-cyan-400);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.timeline-exp-responsibilities {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.timeline-exp-resp {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.timeline-item-exp:nth-child(even) .timeline-exp-resp {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-item-exp:nth-child(even) .timeline-exp-resp-text {
    text-align: right;
}

.timeline-exp-dot-small {
    width: 0.5rem;
    height: 0.5rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.timeline-exp-resp-text {
    color: var(--color-gray-300);
    font-size: 0.875rem;
    line-height: 1.5;
    text-align: left;
}

.timeline-exp-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4rem;
    height: 4rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border: 4px solid var(--color-black);
}

.timeline-exp-center-inner {
    width: 2rem;
    height: 2rem;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.timeline-item-exp:hover .timeline-exp-center-inner {
    animation: pulse 1s ease-in-out infinite;
}

.timeline-exp-center-dot {
    width: 0.75rem;
    height: 0.75rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: 50%;
}

.timeline-exp-space {
    width: 41.666667%;
}

.timeline-exp-card-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(6, 182, 212, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: var(--radius-2xl);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.timeline-exp-card:hover .timeline-exp-card-hover {
    opacity: 1;
}

.timeline-present-item {
    position: relative;
    display: flex;
    align-items: center;
    padding: 2rem 0;
    max-width: 100%;
    width: 100%;
}

.timeline-present-dot {
    position: absolute;
    left: 0;
    width: 5rem;
    height: 5rem;
    background: linear-gradient(to right, var(--color-green-500), var(--color-cyan-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border: 4px solid var(--color-black);
    animation: blink 2s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.5);
}

.timeline-present-inner {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.timeline-present-card {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.8), rgba(17, 24, 39, 0.8));
    padding: 2rem;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(34, 197, 94, 0.3);
    backdrop-filter: blur(4px);
    margin-left: 7rem;
    flex: 1;
    max-width: calc(100% - 8rem);
}

.timeline-present-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.timeline-present-text {
    color: var(--color-green-400);
    font-weight: 600;
    font-size: 1.125rem;
    line-height: 1.6;
}

/* Responsive design para timeline-present */
@media (max-width: 768px) {
    .timeline-present-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem 0;
    }
    
    .timeline-present-dot {
        position: relative;
        left: auto;
        margin-bottom: 1rem;
        align-self: center;
    }
    
    .timeline-present-card {
        margin-left: 0;
        max-width: 100%;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .timeline-present-dot {
        width: 4rem;
        height: 4rem;
    }
    
    .timeline-present-inner {
        width: 2rem;
        height: 2rem;
        font-size: 1.25rem;
    }
    
    .timeline-present-card {
        padding: 1.5rem;
    }
    
    .timeline-present-title {
        font-size: 1.25rem;
    }
    
    .timeline-present-text {
        font-size: 1rem;
    }
}

.experience-cta {
    text-align: center;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 700ms;
}

.experience-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

/* CONTACT SECTION */
.contact-section {
    background: linear-gradient(to bottom, var(--color-black), var(--color-gray-900), var(--color-black));
    padding: var(--section-padding);
}

.connected-particles {
    position: absolute;
    inset: 0;
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

.contact-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 32rem;
    width: 100%;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 300ms;
}

.contact-grid.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-headline {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.8), rgba(17, 24, 39, 0.8));
    padding: 2rem;
    border-radius: var(--radius-3xl);
    border: 1px solid rgba(55, 65, 81, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.headline-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-purple-500));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
}

.headline-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

.headline-title {
    color: var(--color-cyan-400);
    font-weight: 600;
}

.headline-description {
    color: var(--color-gray-300);
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    background: linear-gradient(to bottom right, rgba(31, 41, 55, 0.6), rgba(17, 24, 39, 0.6));
    padding: 1.5rem;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(55, 65, 81, 0.5);
    backdrop-filter: blur(4px);
    cursor: pointer;
    transition: all var(--transition-normal);
    transform: scale(1);
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.contact-method:hover {
    transform: scale(1.05);
    border-color: rgba(6, 182, 212, 0.5);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.1);
}

.contact-method-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(to right, var(--color-cyan-500), var(--color-blue-500));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.contact-method.purple .contact-method-icon {
    background: linear-gradient(to right, var(--color-purple-500), var(--color-pink-500));
}

.contact-method.emerald .contact-method-icon {
    background: linear-gradient(to right, var(--color-emerald-500), var(--color-teal-500));
}

.contact-method:hover .contact-method-icon {
    transform: rotate(12deg);
}

.contact-method-content {
    flex: 1;
}

.contact-method-title {
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.125rem;
}

.contact-method-value {
    color: var(--color-gray-300);
    margin: 0.25rem 0;
}

.contact-method-desc {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.contact-method-arrow {
    color: var(--color-gray-400);
    transition: color var(--transition-normal);
}

.contact-method:hover .contact-method-arrow {
    color: var(--color-white);
}

.contact-method-arrow svg {
    width: 1.5rem;
    height: 1.5rem;
}

.availability-container {
    display: flex;
    justify-content: center;
    width: 100%;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 500ms;
}

.availability-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.availability {
    background: linear-gradient(to right, rgba(34, 197, 94, 0.1), rgba(16, 185, 129, 0.1));
    padding: 1.5rem;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(34, 197, 94, 0.3);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 32rem;
    width: 100%;
}

.availability-indicator {
    width: 0.75rem;
    height: 0.75rem;
    background: var(--color-green-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.availability-status {
    color: var(--color-green-400);
    font-weight: 600;
}

.availability-desc {
    color: var(--color-gray-300);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}



.footer {
    text-align: center;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-very-slow);
    transition-delay: 700ms;
}

.footer.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-content {
    border-top: 1px solid var(--color-gray-800);
    padding-top: 2rem;
}

.footer-text {
    color: var(--color-gray-400);
    margin-bottom: 1rem;
}

.footer-copyright {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-copyright span {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* RESPONSIVE DESIGN */
@media (max-width: 640px) {
    /* Ajustes para loader en móvil */
    .loader {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        transform: none;
        margin: 0;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .loader-content {
        padding: 0 1.5rem;
        max-width: 18rem;
        margin: 0;
        text-align: center;
    }
    
    .loader-logo {
        width: 60px;
        height: 60px;
        margin: 0 auto 1.5rem;
    }
    
    .loader-title {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }
    
    .loader-subtitle {
        margin-bottom: 1.5rem;
    }
    
    .progress-bar {
        width: 12rem;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .section-subtitle {
        margin: 0 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .timeline-exp-content {
        width: 100%;
        text-align: center !important;
        padding: 0 1rem !important;
    }
    
    .timeline-exp-center {
        position: relative;
        left: auto;
        transform: none;
        margin: 1rem auto;
    }
    
    .timeline-exp-space {
        display: none;
    }
    
    .timeline-item-exp {
        flex-direction: column !important;
    }
    
    .timeline-line-vertical {
        display: none;
    }
    
    /* Ajustes adicionales para tarjetas de portfolio en móvil */
    .portfolio-card {
        min-height: 20rem;
    }
    
    .portfolio-card-content {
        padding: 1rem;
    }
    
    .portfolio-card-title {
        font-size: 1.25rem;
    }
    
    .portfolio-card-desc {
        font-size: 0.75rem;
        margin-bottom: 1rem;
        max-height: 3.5rem;
        -webkit-line-clamp: 3;
    }
    
    .features-list {
        gap: 0.25rem;
    }
    
    .feature-tag {
        padding: 0.125rem 0.375rem;
        font-size: 0.5rem;
        white-space: nowrap;
    }
    
    /* Ajustes para footer en móvil */
    .footer {
        margin: 4rem 1rem 0;
    }
    
    /* Ocultar efecto de trail del mouse en móvil */
    .star-particles {
        display: none;
    }
    
    /* Prevenir overflow horizontal en elementos específicos */
    .hero-section,
    .about-section,
    .portfolio-section,
    .skills-section,
    .experience-section,
    .contact-section {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    /* Asegurar que los contenedores no se desborden */
    .container,
    .hero-content,
    .about-content,
    .portfolio-grid,
    .skills-content,
    .timeline-container,
    .contact-content {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    /* Prevenir transformaciones que causen overflow */
    .fade-in-left,
    .fade-in-right,
    .materialize-hologram {
        transform: none !important;
    }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Estados de visibilidad para animaciones mejoradas */

/* Animación de materialización principal */
.fade-in-up {
    opacity: 0;
    transform: translateY(60px) scale(0.8);
    filter: blur(10px);
    transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
}

/* Materialización desde la izquierda */
.fade-in-left {
    opacity: 0;
    transform: translateX(-80px) scale(0.7) rotateY(-25deg);
    filter: blur(8px);
    transition: all 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0) scale(1) rotateY(0deg);
    filter: blur(0);
}

/* Materialización desde la derecha */
.fade-in-right {
    opacity: 0;
    transform: translateX(80px) scale(0.7) rotateY(25deg);
    filter: blur(8px);
    transition: all 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0) scale(1) rotateY(0deg);
    filter: blur(0);
}

/* Nuevas animaciones de materialización */

/* Efecto de construcción digital */
.materialize-build {
    opacity: 0;
    transform: scale(0.5) rotateX(45deg);
    filter: blur(15px) brightness(0.3);
    transition: all 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.materialize-build.visible {
    opacity: 1;
    transform: scale(1) rotateX(0deg);
    filter: blur(0) brightness(1);
}

/* Efecto holográfico */
.materialize-hologram {
    opacity: 0;
    transform: scale(0.3) translateY(100px);
    filter: blur(20px) hue-rotate(180deg);
    transition: all 1.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.materialize-hologram.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0) hue-rotate(0deg);
}

/* Efecto de aparición desde el centro */
.materialize-center {
    opacity: 0;
    transform: scale(0.1);
    filter: blur(25px);
    transition: all 1.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.materialize-center.visible {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
}

/* Efecto de cristalización */
.materialize-crystal {
    opacity: 0;
    transform: scale(1.5) rotate(180deg);
    filter: blur(12px) saturate(0);
    transition: all 2s cubic-bezier(0.16, 1, 0.3, 1);
}

.materialize-crystal.visible {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    filter: blur(0) saturate(1);
}

/* Efecto de aparición flotante */
.materialize-float {
    opacity: 0;
    transform: translateY(-100px) scale(0.6) rotateZ(-10deg);
    filter: blur(8px);
    transition: all 1.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.materialize-float.visible {
    opacity: 1;
    transform: translateY(0) scale(1) rotateZ(0deg);
    filter: blur(0);
}

/* Clases para delays escalonados más dramáticos */
.stagger-delay-1 { transition-delay: 0.1s; }
.stagger-delay-2 { transition-delay: 0.2s; }
.stagger-delay-3 { transition-delay: 0.3s; }
.stagger-delay-4 { transition-delay: 0.4s; }
.stagger-delay-5 { transition-delay: 0.5s; }
.stagger-delay-6 { transition-delay: 0.6s; }
.stagger-delay-7 { transition-delay: 0.7s; }
.stagger-delay-8 { transition-delay: 0.8s; }

/* ========================================
   MODAL DE GALERÍA PORTFOLIO
   ======================================== */

.portfolio-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.95));
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* Header del modal */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.8));
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-title h3 {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 5px 0;
    background: linear-gradient(135deg, #06b6d4, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-title p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin: 0;
}

.modal-close {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    transform: scale(1.1);
}

/* Contenido principal */
.modal-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 30px;
    gap: 20px;
    overflow: hidden;
}

/* Contenedor de media */
.media-container {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    overflow: hidden;
}

.media-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.current-media {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Estilos para imágenes */
.current-media img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Estilos para videos */
.current-media video {
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Estilos para imágenes */
.image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.image-fullscreen-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
    color: #ffffff;
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-size: 0.9rem;
    font-weight: 500;
}

.image-fullscreen-btn:hover {
    background: rgba(15, 23, 42, 1);
    border-color: rgba(148, 163, 184, 0.6);
    transform: scale(1.05);
}

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

/* Botones de navegación */
.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10;
}

.nav-btn:hover {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.4);
    transform: translateY(-50%) scale(1.1);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: translateY(-50%) scale(1);
}

.nav-prev {
    left: 20px;
}

.nav-next {
    right: 20px;
}

/* Información del archivo */
.media-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.file-name {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9rem;
}

.file-size {
    color: #94a3b8;
    font-size: 0.8rem;
}

.media-counter {
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contenedor de miniaturas */
.thumbnails-container {
    height: 120px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.thumbnails-wrapper {
    display: flex;
    gap: 10px;
    padding: 15px;
    height: 100%;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.3) transparent;
}

.thumbnails-wrapper::-webkit-scrollbar {
    height: 6px;
}

.thumbnails-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.thumbnails-wrapper::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.3);
    border-radius: 3px;
}

.thumbnails-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.5);
}

.thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.thumbnail:hover {
    border-color: rgba(148, 163, 184, 0.5);
    transform: scale(1.05);
}

.thumbnail.active {
    border-color: #06b6d4;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.5);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.thumbnail:hover .thumbnail-overlay {
    opacity: 1;
}

.thumbnail-icon {
    color: #ffffff;
    font-size: 1.2rem;
}

/* Loading indicator */
.modal-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: #94a3b8;
    z-index: 5;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(148, 163, 184, 0.2);
    border-top: 3px solid #06b6d4;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.modal-loading p {
    margin: 0;
    font-size: 0.9rem;
}

/* Estados de carga */
.portfolio-modal.loading .modal-content {
    opacity: 0.3;
    pointer-events: none;
}

.portfolio-modal.loading .modal-loading {
    opacity: 1;
}

/* Estado normal (sin loading) */
.portfolio-modal:not(.loading) .modal-loading {
    opacity: 0;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    .modal-container {
        margin: 10px;
        border-radius: 15px;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-title h3 {
        font-size: 1.2rem;
    }
    
    .modal-content {
        padding: 15px 20px;
    }
    
    .media-container {
        min-height: 300px;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .nav-prev {
        left: 10px;
    }
    
    .nav-next {
        right: 10px;
    }
    
    .thumbnails-container {
        height: 100px;
    }
    
    .thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .media-info {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .modal-container {
        margin: 5px;
        border-radius: 10px;
    }
    
    .modal-header {
        padding: 10px 15px;
    }
    
    .modal-content {
        padding: 10px 15px;
    }
    
    .media-container {
        min-height: 250px;
    }
    
    .nav-btn {
        width: 35px;
        height: 35px;
    }
    
    .thumbnails-container {
        height: 80px;
    }
    
    .thumbnail {
        width: 50px;
        height: 50px;
    }
}

/* ========================================
   MODAL DE PANTALLA COMPLETA PARA IMÁGENES
   ======================================== */

.fullscreen-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.fullscreen-modal.active {
    opacity: 1;
    visibility: visible;
}

.fullscreen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.fullscreen-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: rgba(15, 23, 42, 0.9);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10;
}

.fullscreen-header h3 {
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.fullscreen-close {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.fullscreen-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    transform: scale(1.1);
}

.fullscreen-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: hidden;
}

.fullscreen-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Responsive para pantalla completa */
@media (max-width: 768px) {
    .fullscreen-header {
        padding: 15px 20px;
    }
    
    .fullscreen-header h3 {
        font-size: 1rem;
    }
    
    .fullscreen-content {
        padding: 15px;
    }
    
    .image-fullscreen-btn {
        bottom: 15px;
        right: 15px;
        padding: 10px 12px;
        font-size: 0.8rem;
    }
    
    .image-fullscreen-btn svg {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .fullscreen-header {
        padding: 10px 15px;
    }
    
    .fullscreen-content {
        padding: 10px;
    }
    
    .image-fullscreen-btn {
        bottom: 10px;
        right: 10px;
        padding: 8px 10px;
        font-size: 0.75rem;
    }
    
    .image-fullscreen-btn svg {
        width: 14px;
        height: 14px;
    }
}