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

:root {
    --primary-color: #0066cc;
    --secondary-color: #00d4ff;
    --aws-color: #ff9900;
    --azure-color: #0078d4;
    --ai-color: #9c27b0;
    --code-color: #4caf50;
    --openai-color: #10a37f;
    --github-color: #333333;
    --success-color: #28a745;
    --whatsapp-color: #25d366;
    --youtube-color: #ff0000;
    --dark-color: #1a1a1a;
    --gray-dark: #333333;
    --gray-medium: #666666;
    --gray-light: #f8f9fa;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-aws: linear-gradient(135deg, #ff9900, #ffb84d);
    --gradient-azure: linear-gradient(135deg, #0078d4, #40a9ff);
    --gradient-ai: linear-gradient(135deg, #9c27b0, #e91e63);
    --gradient-code: linear-gradient(135deg, #4caf50, #8bc34a);
    --gradient-openai: linear-gradient(135deg, #10a37f, #1a7f64);
    --gradient-hero: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    --gradient-contact: linear-gradient(135deg, #2d1b69 0%, #11998e 100%);
    --gradient-footer: linear-gradient(135deg, #1a202c 0%, #2d3748 25%, #4a5568 50%, #2d3748 75%, #1a202c 100%);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: var(--font-size-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-dark);
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
}

.github-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--github-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.github-btn:hover {
    background: #24292e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-dark);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(30, 60, 114, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(42, 82, 152, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 102, 204, 0.3) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(30px) rotate(240deg); }
}

.hero-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    animation: badgeGlow 2s ease-in-out infinite alternate;
}

@keyframes badgeGlow {
    0% { box-shadow: 0 0 5px rgba(255, 255, 255, 0.3); }
    100% { box-shadow: 0 0 20px rgba(255, 255, 255, 0.6); }
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.title-line {
    display: block;
    margin-bottom: var(--spacing-sm);
}

.subtitle-line {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
}

.gradient-text {
    background: linear-gradient(135deg, #00d4ff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    animation: textShine 3s ease-in-out infinite;
}

@keyframes textShine {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

/* Hero Features */
.hero-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.feature-item i {
    font-size: var(--font-size-base);
    color: var(--secondary-color);
}

.hero-social {
    display: flex;
    gap: var(--spacing-lg);
}

/* Botones animados mejorados */
.animated-btn {
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: all var(--transition-normal);
}

.animated-btn .btn-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    border-radius: inherit;
    z-index: -1;
    transition: var(--transition-normal);
}

.animated-btn:hover .btn-background {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.btn-particles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-normal);
}

.btn-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
}

.animated-btn:hover .btn-particles {
    opacity: 1;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-normal);
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link.youtube {
    background: rgba(255, 0, 0, 0.6);
    color: var(--white);
}

.social-link.youtube:hover {
    background: var(--youtube-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.4);
}

.social-link.whatsapp {
    background: rgba(37, 211, 102, 0.6);
    color: var(--white);
}

.social-link.whatsapp:hover {
    background: var(--whatsapp-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.mega-btn {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    border-radius: 16px;
    position: relative;
}

.mega-btn:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

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

.cloud-animation {
    position: relative;
    width: 450px;
    height: 450px;
}

.cloud-icon {
    position: absolute;
    width: 85px;
    height: 85px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--white);
    animation: float 8s ease-in-out infinite;
    box-shadow: var(--shadow-xl);
}

.cloud-icon.aws {
    background: var(--gradient-aws);
    top: 30px;
    left: 30px;
    animation-delay: 0s;
}

.cloud-icon.azure {
    background: var(--gradient-azure);
    top: 30px;
    right: 30px;
    animation-delay: 1.6s;
}

.cloud-icon.openai {
    background: var(--gradient-openai);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 3.2s;
    z-index: 2;
}

.cloud-icon.code {
    background: var(--gradient-code);
    bottom: 30px;
    left: 30px;
    animation-delay: 4.8s;
}

.cloud-icon.ai {
    background: var(--gradient-ai);
    bottom: 30px;
    right: 30px;
    animation-delay: 6.4s;
}

/* OpenAI Logo Styling */
.openai-logo {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.openai-logo svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.icon-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: inherit;
    filter: blur(20px);
    opacity: 0.5;
    z-index: -1;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    0% { opacity: 0.5; transform: scale(1); }
    100% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    20% { transform: translateY(-15px) rotate(72deg); }
    40% { transform: translateY(0px) rotate(144deg); }
    60% { transform: translateY(-10px) rotate(216deg); }
    80% { transform: translateY(0px) rotate(288deg); }
}

/* Ajuste especial para el icono central de OpenAI */
.cloud-icon.openai {
    animation: floatCenter 8s ease-in-out infinite;
}

@keyframes floatCenter {
    0%, 100% { transform: translate(-50%, -50%) scale(1) rotate(0deg); }
    25% { transform: translate(-50%, -50%) scale(1.1) rotate(90deg); }
    50% { transform: translate(-50%, -50%) scale(1) rotate(180deg); }
    75% { transform: translate(-50%, -50%) scale(1.1) rotate(270deg); }
}

.connecting-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.animated-path {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    animation: drawPath 6s ease-in-out infinite;
}

.animated-path:nth-child(1) { animation-delay: 0s; }
.animated-path:nth-child(2) { animation-delay: 1.2s; }
.animated-path:nth-child(3) { animation-delay: 2.4s; }
.animated-path:nth-child(4) { animation-delay: 3.6s; }
.animated-path:nth-child(5) { animation-delay: 4.8s; }

@keyframes drawPath {
    0% { stroke-dashoffset: 400; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -400; }
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
    position: relative;
    background: var(--white);
}

.services-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f1f3f4 100%);
    z-index: 0;
}

.geometric-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 212, 255, 0.05));
    animation: shapeFloat 15s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 60%;
    animation-delay: 10s;
}

@keyframes shapeFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(30px) rotate(240deg); }
}

.services .container {
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    z-index: 2;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-medium);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 2;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-2xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.card-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    border-radius: inherit;
    z-index: -1;
    transition: var(--transition-normal);
}

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

.service-card:hover .card-background {
    background: linear-gradient(135deg, rgba(255,255,255,1), rgba(248,249,250,1));
}

.aws-card {
    border-top: 4px solid var(--aws-color);
}

.aws-card:hover {
    box-shadow: 0 20px 40px rgba(255, 153, 0, 0.2);
}

.azure-card {
    border-top: 4px solid var(--azure-color);
}

.azure-card:hover {
    box-shadow: 0 20px 40px rgba(0, 120, 212, 0.2);
}

.ai-card {
    border-top: 4px solid var(--ai-color);
}

.ai-card:hover {
    box-shadow: 0 20px 40px rgba(156, 39, 176, 0.2);
}

.consulting-card {
    border-top: 4px solid var(--primary-color);
}

.consulting-card:hover {
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    box-shadow: var(--shadow-lg);
}

.icon-pulse {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 25px;
    background: inherit;
    filter: blur(15px);
    opacity: 0.4;
    z-index: -1;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.1); opacity: 0.6; }
}

.aws-card .service-icon {
    background: var(--gradient-aws);
}

.azure-card .service-icon {
    background: var(--gradient-azure);
}

.ai-card .service-icon {
    background: var(--gradient-ai);
}

.consulting-card .service-icon {
    background: var(--gradient-primary);
}

.service-card h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-lg);
}

.service-list {
    list-style: none;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--gray-medium);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

.service-list i {
    color: var(--success-color);
    margin-top: 2px;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    position: relative;
    background: var(--white);
}

.contact-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-contact);
    z-index: 0;
}

.contact-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(45, 27, 105, 0.2) 0%, transparent 50%);
    z-index: 1;
}

@keyframes contactPatternOpacity {
    0%, 100% { opacity: 1; }
    25% { opacity: 0.8; }
    50% { opacity: 1; }
    75% { opacity: 0.9; }
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact .section-header {
    color: var(--white);
    position: relative;
    z-index: 2;
}

.contact .section-badge {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact .section-title {
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.95);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
    position: relative;
    z-index: 2;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 25px;
    transition: var(--transition-normal);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.contact-icon {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--white);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    filter: blur(20px);
    opacity: 0.6;
    z-index: -1;
    animation: contactIconGlow 3s ease-in-out infinite alternate;
}

@keyframes contactIconGlow {
    0% { opacity: 0.6; }
    100% { opacity: 0.9; }
}

.contact-icon.whatsapp-icon {
    background: linear-gradient(135deg, var(--whatsapp-color), #1ea952);
    border-color: rgba(37, 211, 102, 0.5);
}

.contact-icon.youtube-icon {
    background: linear-gradient(135deg, var(--youtube-color), #cc0000);
    border-color: rgba(255, 0, 0, 0.5);
}

.contact-details h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.contact-details a {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    font-size: var(--font-size-base);
}

.contact-details a:hover {
    color: var(--white);
    text-decoration: underline;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.contact-cta {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: var(--spacing-2xl);
    border-radius: 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: contactShimmer 4s ease-in-out infinite;
}

@keyframes contactShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.contact-cta h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-cta p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    font-size: var(--font-size-lg);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    position: relative;
}

.footer-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-footer);
    z-index: 0;
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.02) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.02) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.02) 75%),
        radial-gradient(circle at 30% 40%, rgba(0, 102, 204, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%);
    background-size: 30px 30px, 30px 30px, 30px 30px, 30px 30px, 200px 200px, 200px 200px;
    animation: footerPatternFade 30s ease-in-out infinite;
    z-index: 1;
}

@keyframes footerPatternFade {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.footer .container {
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: var(--font-size-2xl);
    background: linear-gradient(135deg, #00d4ff, #0066cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 5px rgba(0, 212, 255, 0.3));
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.footer-social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    transform: scale(0);
    transition: var(--transition-normal);
    z-index: -1;
}

.footer-social-link:hover::before {
    transform: scale(1);
}

.footer-social-link:hover {
    transform: translateY(-5px);
    color: var(--white);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.3);
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    position: relative;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    padding-left: 0;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-sm);
    text-shadow: 0 2px 5px rgba(0, 212, 255, 0.3);
}

.footer-links a::before,
.footer-contact a::before {
    content: '▶';
    position: absolute;
    left: -15px;
    opacity: 0;
    transition: var(--transition-fast);
    color: var(--secondary-color);
    font-size: var(--font-size-xs);
}

.footer-links a:hover::before,
.footer-contact a:hover::before {
    opacity: 1;
    left: -10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    
    margin: 0 calc(-1 * var(--spacing-md));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    backdrop-filter: blur(10px);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Desactivar animaciones en móvil */
    *,
    *::before,
    *::after {
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.2s !important;
    }
    
    .nav-container {
        flex-wrap: wrap;
    }
    
    .nav-actions {
        order: -1;
        margin-left: auto;
        margin-right: var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
        padding-left: 10px;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .hero-badge {

        margin-top: 20px;
    }
    .hero-social {
        flex-direction: column;
        align-items: center;
    }
    
    .cloud-animation {
        width: 350px;
        height: 350px;
    }
    
    .cloud-icon {
        width: 70px;
        height: 70px;
        font-size: var(--font-size-xl);
        animation: none !important;
    }
    
    .cloud-icon.openai {
        transform: translate(-50%, -50%) !important;
        animation: none !important;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .cta-buttons {
        align-items: center;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    /* CRÍTICO: Máxima estabilidad en móviles pequeños */
    * {
        animation: none !important;
        transform: none !important;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero {
        padding-top: 70px;
    }

    /* CRÍTICO: Desactivar TODAS las animaciones en móvil */
    *,
    *::before,
    *::after {
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.2s !important;
    }
    
    .cloud-animation {
        width: 280px;
        height: 280px;
    }
    
    .cloud-icon {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-lg);
        animation: none !important;
        transform: none !important;
    }
    
    .cloud-icon.openai {
        transform: translate(-50%, -50%) !important;
        animation: none !important;
    }
    
    .github-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .github-btn span {
        display: none;
    }
    
    .contact-item {
        padding: var(--spacing-lg);
    }
    
    .contact-icon {
        width: 55px;
        height: 55px;
        font-size: var(--font-size-lg);
    }
    
    .footer-social-link {
        width: 40px;
        height: 40px;
    }
}

/* Animaciones adicionales */
@keyframes fadeInUp {
    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);
    }
}

/* Solo en desktop */
@media (min-width: 769px) {
    .service-card {
        animation: fadeInUp 0.8s ease forwards;
    }
    
    .service-card:nth-child(1) { animation-delay: 0.1s; }
    .service-card:nth-child(2) { animation-delay: 0.3s; }
    .service-card:nth-child(3) { animation-delay: 0.5s; }
    .service-card:nth-child(4) { animation-delay: 0.7s; }
    
    .contact-item {
        animation: fadeInLeft 0.8s ease forwards;
    }
    
    .contact-item:nth-child(1) { animation-delay: 0.2s; }
    .contact-item:nth-child(2) { animation-delay: 0.4s; }
    .contact-item:nth-child(3) { animation-delay: 0.6s; }
    
    .contact-cta {
        animation: fadeInRight 0.8s ease forwards;
        animation-delay: 0.4s;
    }
}

/* Efectos de hover mejorados */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 102, 204, 0.03) 50%, transparent 100%);
    border-radius: inherit;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.service-card:hover::before {
    opacity: 1;
}

/* Scroll suave para navegación */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* 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 focus mejorados */
.btn:focus,
.nav-link:focus,
.social-link:focus,
.github-btn:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Efectos de carga */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

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

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.shadow-glow {
    box-shadow: 0 0 30px rgba(0, 102, 204, 0.3);
}