/* ============================================
   KIA ELECTRO - ESTILOS PRINCIPALES
   Diseño Industrial-Futurista con Lujo Tecnológico
   ============================================ */

/* FIX OVERFLOW MÓVIL */
html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
}

html {
    overflow-x: hidden;
}

/* CSS Variables */
:root {
    /* Colores principales */
    --color-bg-primary: #0a0e17;
    --color-bg-secondary: #0d1321;
    --color-bg-tertiary: #111827;
    
    /* Acentos cyan (como el LED de la heladera) */
    --color-accent: #00d4ff;
    --color-accent-light: #67e8f9;
    --color-accent-dark: #0891b2;
    --color-accent-glow: rgba(0, 212, 255, 0.5);
    
    /* Textos */
    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    --gradient-radial: radial-gradient(ellipse at center, var(--color-bg-secondary) 0%, var(--color-bg-primary) 70%);
    
    /* Tipografías */
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Exo 2', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Bordes */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

/* Reset y Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background: var(--gradient-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Glow Effects Background */
.glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    max-width: 100vw;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: glowPulse 8s ease-in-out infinite;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-dark);
    bottom: -100px;
    left: -100px;
    animation-delay: 2s;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: var(--color-accent-light);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
    opacity: 0.15;
}

@keyframes glowPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.4;
    }
}

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
    text-decoration: none;
    font-family: var(--font-display);
}

.logo-kia {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-text-primary);
    letter-spacing: 2px;
}

.logo-electro {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-accent);
    font-style: italic;
    font-family: var(--font-body);
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
    max-width: 100vw;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

/* Hero Text */
.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-family: var(--font-display);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-line {
    display: block;
}

.title-line:first-child {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--color-text-secondary);
}

.title-line.highlight {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px var(--color-accent-glow);
}

.title-line.small {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 300;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-description strong {
    color: var(--color-accent);
    font-weight: 600;
}

/* Hero CTA Buttons */
.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-accent-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

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

.btn-secondary {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   PRODUCTO 3D
   ============================================ */
.hero-product {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.product-3d-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.product-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.1s ease-out;
    filter: drop-shadow(0 0 30px var(--color-accent-glow));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotateY(0deg); }
    50% { transform: translateY(-20px) rotateY(3deg); }
}

.product-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, var(--color-accent-glow) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0.6;
    z-index: -1;
    animation: glowPulse 4s ease-in-out infinite;
}

.product-reflection {
    position: absolute;
    top: 10%;
    left: 10%;
    width: 30%;
    height: 60%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    border-radius: 50%;
    filter: blur(20px);
    pointer-events: none;
    z-index: 2;
}

.product-shadow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 40px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.5) 0%, transparent 70%);
    filter: blur(15px);
}

/* Product Features */
.product-features {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.feature:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.2rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* ============================================
   SECCIONES COMUNES
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-badge {
    display: inline-block;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    backdrop-filter: blur(10px);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* ============================================
   CATEGORÍAS / PRODUCTOS
   ============================================ */
.categories {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-decoration: none;
    overflow: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.category-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
}

.category-card:hover::before {
    opacity: 0.05;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, var(--color-accent-glow) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.category-card:hover .card-glow {
    opacity: 0.3;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.card-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-accent);
}

.category-card:hover .card-icon {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.category-card:hover .card-icon svg {
    stroke: var(--color-bg-primary);
}

.category-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.category-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.card-arrow {
    display: inline-block;
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform var(--transition-fast);
}

.category-card:hover .card-arrow {
    transform: translateX(8px);
}

.category-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, var(--glass-bg) 100%);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-text strong {
    color: var(--color-accent);
}

.about-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.about-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: 1.05rem;
    color: var(--color-text-secondary);
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.frame-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 50%);
    opacity: 0.3;
    pointer-events: none;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: start;
}

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

.info-card {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.info-card:hover {
    border-color: var(--color-accent);
    transform: translateX(8px);
}

.info-icon {
    font-size: 1.5rem;
}

.info-content h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.info-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    padding-top: calc(var(--spacing-sm) + 8px);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group label {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    pointer-events: none;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

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

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
    font-family: var(--font-display);
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

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

/* ============================================
   CHATBOT
   ============================================ */
.chatbot-toggle {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--color-accent-glow);
    transition: all var(--transition-normal);
    z-index: 999;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px var(--color-accent-glow);
}

.chatbot-toggle svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-bg-primary);
}

.chatbot-toggle .close-icon {
    display: none;
}

.chatbot-toggle.active .chat-icon {
    display: none;
}

.chatbot-toggle.active .close-icon {
    display: block;
}

.chatbot-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: #ef4444;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-window {
    position: fixed;
    bottom: 180px;
    right: 24px;
    width: 380px;
    height: 500px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    z-index: 998;
    transition: all var(--transition-normal);
}

.chatbot-window.hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--glass-border);
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.chatbot-title {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-primary);
}

.chatbot-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.chatbot-close {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    transition: color var(--transition-fast);
}

.chatbot-close:hover {
    color: var(--color-text-primary);
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message {
    max-width: 85%;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    line-height: 1.5;
}

.message.bot {
    align-self: flex-start;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text-primary);
}

.message.user {
    align-self: flex-end;
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
}

.chatbot-suggestions {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    overflow-x: auto;
    border-top: 1px solid var(--glass-border);
}

.suggestion-btn {
    flex-shrink: 0;
    padding: 6px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.suggestion-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.chatbot-input {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-top: 1px solid var(--glass-border);
}

.chatbot-input input {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.chatbot-input input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.chatbot-input button {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.chatbot-input button:hover {
    transform: scale(1.05);
}

.chatbot-input button svg {
    stroke: var(--color-bg-primary);
}

/* ============================================
   WHATSAPP BUTTON
   ============================================ */
.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-normal);
    z-index: 997;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* ============================================
   UTILIDADES
   ============================================ */
.hidden {
    display: none !important;
}

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

/* Fix overflow global */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        position: relative !important;
    }
    
    /* Reducir tamaño de glows en móvil */
    .glow-1 {
        width: 300px;
        height: 300px;
        top: -150px;
        right: -150px;
    }
    
    .glow-2 {
        width: 200px;
        height: 200px;
        bottom: -100px;
        left: -100px;
    }
    
    .glow-3 {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-product {
        order: -1;
    }
    
    .product-3d-container {
        max-width: 350px;
    }
    
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-md);
        transition: right var(--transition-normal);
        border-left: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        margin-bottom: var(--spacing-md);
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .chatbot-window {
        width: calc(100% - 48px);
        right: 24px;
        left: 24px;
        bottom: 160px;
        height: calc(100vh - 200px);
        max-height: 500px;
    }
}

@media (max-width: 480px) {
    /* Fix contenedores */
    .container,
    .nav-container,
    .hero-content {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
    }
    
    .hero {
        padding-left: 0;
        padding-right: 0;
    }
    
    .hero-text {
        padding: 0 5px;
    }
    
    /* Títulos más pequeños */
    .title-line:first-child {
        font-size: 1.8rem;
    }
    
    .title-line.highlight {
        font-size: 2.2rem;
    }
    
    .title-line.small {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .btn {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .product-features {
        flex-direction: column;
        align-items: center;
    }
    
    /* Categorías */
    .category-card h3 {
        font-size: 1.2rem;
    }
    
    /* About */
    .about-features li {
        font-size: 0.95rem;
    }
    
    /* Contacto cards */
    .info-card {
        padding: var(--spacing-sm);
    }
}

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .product-image {
        animation: none;
    }
}