/**
 * main.css - NovaSystems Ultra Premium
 * Versión: 4.1.0 - CORREGIDO (Sin conflictos con chat)
 */

/* ============================================
   1. SISTEMA DE VARIABLES ULTRA PREMIUM
   ============================================ */
:root {
    /* Colores base - Fondo oscuro premium */
    --bg-primary: #05050A;
    --bg-secondary: #0F0F1A;
    --bg-tertiary: #141420;
    --bg-card: #0A0A12;
    --bg-card-hover: #12121E;
    
    /* Textos - Blanco puro y grises claros */
    --text-primary: #FFFFFF;
    --text-secondary: #D0D0E0;
    --text-tertiary: #A0A0B8;
    --text-muted: #707088;
    
    /* Acentos - Naranja vibrante y rojo */
    --accent-primary: #FF6B00;
    --accent-primary-light: #FF8533;
    --accent-primary-dark: #CC5500;
    --accent-secondary: #E63946;
    --accent-secondary-light: #FF5E6E;
    --accent-secondary-dark: #B02A37;
    
    /* Bordes y sombras */
    --border-primary: rgba(255, 107, 0, 0.25);
    --border-secondary: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(255, 107, 0, 0.2);
    --shadow-glow-strong: 0 0 40px rgba(255, 107, 0, 0.35);
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 80px;
    
    /* Bordes */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Tipografía */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Clash Display', var(--font-sans);
    
    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.2, 0.9, 0.4, 1.1);
    --transition-base: 250ms cubic-bezier(0.2, 0.9, 0.4, 1.1);
    --transition-slow: 350ms cubic-bezier(0.2, 0.9, 0.4, 1.1);
    
    /* Z-index */
    --z-negative: -1;
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-toast: 1200;
    
    /* Layout */
    --container-max-width: 1400px;
    --container-padding: 20px;
}

/* ============================================
   2. RESET MODERNO
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    border: none;
    background: none;
}

button {
    cursor: pointer;
}

/* ============================================
   3. ESTILOS BASE ULTRA PREMIUM
   ============================================ */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    line-height: 1.5;
}

::selection {
    background: var(--accent-primary);
    color: var(--text-primary);
}

/* ============================================
   4. FONDO GRADIENTE PREMIUM
   ============================================ */
.fondo-gradiente {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 107, 0, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(230, 57, 70, 0.06) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-primary) 0%, #0A0A15 100%);
    z-index: var(--z-negative);
    pointer-events: none;
}

/* ============================================
   5. CONTENEDOR PRINCIPAL
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: var(--z-base);
}

/* ============================================
   6. NAVEGACIÓN PREMIUM
   ============================================ */
.nav-principal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    margin: var(--spacing-lg) var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-full);
    position: sticky;
    top: var(--spacing-lg);
    z-index: var(--z-sticky);
    background: rgba(5, 5, 10, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-primary);
}

.logo h1 {
    font-family: var(--font-display);
    font-size: clamp(22px, 4vw, 28px);
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.menu {
    display: flex;
    gap: var(--spacing-xl);
}

.menu a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width var(--transition-base);
}

.menu a:hover::after,
.menu a.active::after {
    width: 100%;
}

.menu a:hover {
    color: var(--accent-primary-light);
}

/* ============================================
   7. BOTONES PREMIUM (sin afectar chat)
   ============================================ */
.btn-glass {
    background: rgba(20, 20, 35, 0.9);
    border: 1px solid var(--border-primary);
    padding: 10px 25px;
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-glass:hover {
    background: rgba(255, 107, 0, 0.15);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-principal {
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-dark));
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-block;
    color: var(--text-primary);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.btn-principal:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-secundario {
    padding: 14px 40px;
    background: rgba(20, 20, 35, 0.8);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-base);
    display: inline-block;
    color: var(--text-primary);
    text-align: center;
}

.btn-secundario:hover {
    background: rgba(255, 107, 0, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

/* ============================================
   8. GLASS CARD MODIFICADO (sin afectar chat)
   ============================================ */
.glass-card {
    background: rgba(5, 5, 15, 0.85);
    border: 1px solid var(--border-primary);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s ease;
    transform: translateZ(0);
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 140, 0, 0.4);
    box-shadow: var(--shadow-glow);
}

/* ============================================
   9. HERO SECTION PREMIUM
   ============================================ */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.hero-content {
    padding: var(--spacing-3xl);
    max-width: 900px;
    background: rgba(10, 10, 20, 0.7);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
}

.titulo-principal {
    font-family: var(--font-display);
    font-size: clamp(36px, 8vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin: var(--spacing-lg) 0;
    color: var(--text-primary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subtitulo {
    font-size: clamp(16px, 3vw, 20px);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    background: rgba(255, 107, 0, 0.12);
    color: var(--accent-primary-light);
    border: 1px solid var(--border-primary);
}

/* ============================================
   10. TARJETAS DE SERVICIO PREMIUM
   ============================================ */
.seccion-titulo {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 48px);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
}

.seccion-titulo .text-gradient {
    display: inline-block;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-4xl);
}

.servicio-card {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
}

.servicio-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-primary);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
}

.servicio-card h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.servicio-card .precio {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-primary-light);
    margin-bottom: var(--spacing-md);
}

.servicio-card p {
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.caracteristicas {
    text-align: left;
    margin: var(--spacing-lg) 0;
}

.caracteristicas li {
    margin: var(--spacing-sm) 0;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.caracteristicas li::before {
    content: "✓";
    color: var(--accent-primary-light);
    font-weight: 600;
}

.btn-card {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-card:hover {
    background: rgba(255, 107, 0, 0.25);
    border-color: var(--accent-primary);
}

/* ============================================
   11. COTIZADOR RÁPIDO PREMIUM
   ============================================ */
.cotizador-rapido {
    padding: var(--spacing-3xl);
    margin-bottom: var(--spacing-4xl);
    text-align: center;
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
}

.cotizador-rapido h2 {
    color: var(--text-primary);
}

.checklist-servicios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    text-align: left;
}

.check-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(20, 20, 40, 0.6);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--border-secondary);
}

.check-item:hover {
    background: rgba(255, 107, 0, 0.1);
    border-color: var(--border-primary);
    transform: translateX(5px);
}

.check-item span {
    color: var(--text-secondary);
    font-weight: 500;
}

.check-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.total-cotizacion {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.total-cotizacion h3 {
    font-size: 36px;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.total-cotizacion h3 span {
    color: var(--accent-primary-light);
    font-size: 42px;
}

/* ============================================
   12. CONTACTO PREMIUM
   ============================================ */
.contacto {
    padding: var(--spacing-4xl) var(--spacing-3xl);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-secondary);
}

.contacto h2 {
    font-size: clamp(32px, 5vw, 42px);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contacto p {
    font-size: 18px;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xl);
}

.contacto-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.contacto-form input,
.contacto-form textarea {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(20, 20, 40, 0.8);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

.contacto-form input:focus,
.contacto-form textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(30, 30, 50, 0.9);
    box-shadow: var(--shadow-glow);
}

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

/* ============================================
   13. FOOTER PREMIUM
   ============================================ */
.footer {
    padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-lg);
    margin-top: var(--spacing-4xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo h3 {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-logo p {
    color: var(--text-tertiary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.link-col h4 {
    margin-bottom: var(--spacing-md);
    font-size: 18px;
    color: var(--text-secondary);
}

.link-col li {
    margin: var(--spacing-sm) 0;
}

.link-col a {
    color: var(--text-tertiary);
    transition: color var(--transition-base);
}

.link-col a:hover {
    color: var(--accent-primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-secondary);
    color: var(--text-muted);
    font-size: 14px;
}

/* ============================================
   14. UTILIDADES PREMIUM
   ============================================ */
.text-orange { color: var(--accent-primary-light); }
.text-red { color: var(--accent-secondary-light); }
.text-white { color: var(--text-primary); }
.text-gray { color: var(--text-tertiary); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.bg-orange { background: rgba(255, 107, 0, 0.12); }
.bg-red { background: rgba(230, 57, 70, 0.12); }
.bg-white { background: rgba(255, 255, 255, 0.05); }

.m-0 { margin: 0; }
.p-0 { padding: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.grid { display: grid; }

/* ============================================
   15. RENDIMIENTO
   ============================================ */
.animate-fadeInUp,
.servicio-card,
.btn-card,
.btn-agregar {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Lazy loading */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity var(--transition-base);
}

img.loaded {
    opacity: 1;
}

/* ============================================
   16. ACCESIBILIDAD
   ============================================ */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   17. PROTECCIÓN DEL CHAT - NO SOBRESCRIBIR
   ============================================ */
.chat-section .message.cliente .bubble,
.chat-main .message.cliente .bubble {
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.2), rgba(255, 68, 68, 0.15));
    border: 1px solid rgba(255, 140, 0, 0.4);
    border-bottom-right-radius: 4px;
}

.chat-section .message.admin .bubble,
.chat-main .message.admin .bubble {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom-left-radius: 4px;
}

/* ============================================
   18. RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-principal {
        flex-direction: column;
        gap: var(--spacing-md);
        margin: var(--spacing-md);
    }
    
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .menu.active {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contacto-form {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .servicio-card {
        padding: var(--spacing-lg);
    }
    
    .precio {
        font-size: 28px;
    }
    
    .total-cotizacion h3 {
        font-size: 28px;
    }
}

/* ============================================
   19. PRINT
   ============================================ */
@media print {
    .fondo-gradiente,
    .nav-principal,
    .footer {
        display: none !important;
    }
    
    .container {
        padding: 0;
    }
}