/*
* Archivo: custom.css
* Autor: Joel Chala
* Versión: 1.0
* Descripción: Estilos personalizados avanzados para KAGG Chala
* Ruta: Directorio_Raiz/assets/css/custom.css
*/

/* Variables CSS personalizadas */
:root {
    --kagg-primary: #2563eb;
    --kagg-primary-dark: #1d4ed8;
    --kagg-secondary: #64748b;
    --kagg-accent: #3b82f6;
    --kagg-success: #10b981;
    --kagg-warning: #f59e0b;
    --kagg-error: #ef4444;
    --kagg-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --kagg-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --kagg-border-radius: 1rem;
    --kagg-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #334155;
    background-color: #f8fafc;
}

/* Utilidades de animación */
@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);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -468px 0;
    }
    100% {
        background-position: 468px 0;
    }
}

/* Clases de animación */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.4s ease-out;
}

.animate-pulse-slow {
    animation: pulse 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Efectos glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradientes personalizados */
.gradient-primary {
    background: var(--kagg-gradient);
}

.gradient-text {
    background: var(--kagg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Sombras personalizadas */
.shadow-kagg {
    box-shadow: var(--kagg-shadow);
}

.shadow-glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.shadow-glow-lg {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.4);
}

/* Botones mejorados */
.btn-primary {
    background: var(--kagg-gradient);
    color: white;
    padding: 12px 24px;
    border-radius: var(--kagg-border-radius);
    font-weight: 600;
    transition: var(--kagg-transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: var(--kagg-border-radius);
    font-weight: 500;
    transition: var(--kagg-transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Cards mejoradas */
.card {
    background: white;
    border-radius: calc(var(--kagg-border-radius) * 1.5);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: var(--kagg-transition);
    border: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--kagg-shadow);
}

.card-product {
    position: relative;
    overflow: hidden;
}

.card-product::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent
    );
    transition: left 0.5s;
}

.card-product:hover::before {
    left: 100%;
}

/* Loading states */
.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Hero section improvements */
.hero-bg {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #1f2937 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.03"/><circle cx="10" cy="50" r="0.5" fill="%23ffffff" opacity="0.03"/><circle cx="90" cy="50" r="0.5" fill="%23ffffff" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

/* Improved navigation */
.nav-link {
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--kagg-transition);
}

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

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

/* Form improvements */
.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: var(--kagg-border-radius);
    font-size: 16px;
    transition: var(--kagg-transition);
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--kagg-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Product pricing highlight */
.price-highlight {
    position: relative;
    display: inline-block;
}

.price-highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--kagg-gradient);
    border-radius: 2px;
}

/* Statistics counters */
.stat-counter {
    font-size: 3rem;
    font-weight: 800;
    background: var(--kagg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive improvements */
@media (max-width: 768px) {
    .card {
        margin-bottom: 16px;
    }
    
    .hero-bg {
        min-height: 70vh;
    }
    
    .stat-counter {
        font-size: 2rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
    }
}

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

/* Focus states */
.focus-ring {
    transition: var(--kagg-transition);
}

.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

/* Utility classes */
.text-balance {
    text-wrap: balance;
}

.container-narrow {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section-padding {
    padding: 5rem 0;
}

@media (min-width: 768px) {
    .section-padding {
        padding: 8rem 0;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        color: black !important;
        background: white !important;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--kagg-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--kagg-primary-dark);
}