/* ============================================
   MEJORAS DE DISEÑO MODERNO 2026
   Consultoría Integral TI MX
   ============================================ */

/* Variables CSS Mejoradas 2026 */
:root {
    /* Paleta de colores expandida y moderna */
    --primary-50: #e6f2ff;
    --primary-100: #b3d9ff;
    --primary-200: #80bfff;
    --primary-300: #4da6ff;
    --primary-400: #1a8cff;
    --primary-500: #0066cc;
    --primary-600: #0052a3;
    --primary-700: #003d7a;
    --primary-800: #002952;
    --primary-900: #001429;
    
    /* Gradientes modernos 2026 */
    --gradient-primary: linear-gradient(
        135deg,
        #0066cc 0%,
        #0052a3 25%,
        #004d99 50%,
        #003d7a 75%,
        #002d5c 100%
    );
    
    --gradient-primary-light: linear-gradient(
        135deg,
        rgba(0, 102, 204, 0.1) 0%,
        rgba(0, 77, 153, 0.05) 100%
    );
    
    --gradient-glow: radial-gradient(
        circle at 20% 50%,
        rgba(255, 255, 255, 0.15) 0%,
        transparent 50%
    );
    
    /* Sombras multicapa modernas */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12),
                 0 1px 2px rgba(0, 0, 0, 0.24);
    
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12),
                 0 2px 4px rgba(0, 0, 0, 0.08);
    
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12),
                 0 4px 8px rgba(0, 0, 0, 0.08),
                 0 2px 4px rgba(0, 0, 0, 0.06);
    
    --shadow-xl: 0 20px 60px rgba(0, 102, 204, 0.25),
                 0 8px 24px rgba(0, 0, 0, 0.1),
                 0 4px 12px rgba(0, 0, 0, 0.08);
    
    /* Espaciado mejorado */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Border radius modernos */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ============================================
   GLASSMORPHISM MEJORADO 2026
   ============================================ */

.glass-enhanced {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px 0 rgba(0, 0, 0, 0.37),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 8px 32px 0 rgba(0, 0, 0, 0.5),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

/* ============================================
   CARDS MODERNAS CON EFECTOS 3D
   ============================================ */

.card-modern-2026 {
    border-radius: var(--radius-xl);
    background: white;
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    box-shadow: var(--shadow-md);
}

.card-modern-2026::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
}

.card-modern-2026:hover::before {
    left: 100%;
}

.card-modern-2026:hover {
    transform: perspective(1000px) translateY(-12px) scale(1.02) rotateY(2deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* Efecto de brillo en hover */
.card-modern-2026::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.card-modern-2026:hover::after {
    opacity: 1;
}

/* ============================================
   BOTONES MODERNOS CON RIPPLE EFFECT
   ============================================ */

.btn-modern-2026 {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: white;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
    transform: translateZ(0);
}

.btn-modern-2026::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-modern-2026:active::before {
    width: 300px;
    height: 300px;
}

.btn-modern-2026:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-modern-2026:active {
    transform: translateY(-1px) scale(1.02);
}

/* ============================================
   GRADIENTES MODERNOS MEJORADOS
   ============================================ */

.gradient-modern-primary {
    background: var(--gradient-primary);
    position: relative;
}

.gradient-modern-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

/* Gradiente con efecto de luz */
.gradient-glow-effect {
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        var(--gradient-primary);
}

/* ============================================
   ANIMACIONES FLUIDAS 2026
   ============================================ */

@keyframes fadeInUpModern {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-fade-in-up {
    animation: fadeInUpModern 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.animate-scale-in {
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Shimmer effect para loading */
.shimmer {
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #e0e0e0 50%,
        #f0f0f0 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ============================================
   EFECTOS 3D SUTILES
   ============================================ */

.perspective-3d {
    perspective: 1000px;
    transform-style: preserve-3d;
}

.card-3d-hover {
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
}

.card-3d-hover:hover {
    transform: perspective(1000px) rotateY(5deg) rotateX(-2deg) translateY(-10px);
}

/* ============================================
   SOMBRAS MULTICAPA MEJORADAS
   ============================================ */

.shadow-modern-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-modern-md {
    box-shadow: var(--shadow-md);
}

.shadow-modern-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-modern-xl {
    box-shadow: var(--shadow-xl);
}

/* Sombra con color primario */
.shadow-primary {
    box-shadow: 
        0 8px 16px rgba(0, 102, 204, 0.15),
        0 4px 8px rgba(0, 102, 204, 0.1),
        0 2px 4px rgba(0, 102, 204, 0.05);
}

.shadow-primary-lg {
    box-shadow: 
        0 20px 60px rgba(0, 102, 204, 0.25),
        0 8px 24px rgba(0, 102, 204, 0.15),
        0 4px 12px rgba(0, 102, 204, 0.1);
}

/* ============================================
   MEJORAS EN SERVICE CARDS
   ============================================ */

.service-card-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.service-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card-modern:hover::before {
    transform: scaleX(1);
}

.service-card-modern:hover {
    transform: perspective(1000px) translateY(-15px) scale(1.02) rotateY(2deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* ============================================
   HEADER MEJORADO CON GLASSMORPHISM
   ============================================ */

.header-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 102, 204, 0.1);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.header-modern.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ============================================
   SLIDER MEJORADO
   ============================================ */

.slider-content-modern {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 8px 32px 0 rgba(0, 0, 0, 0.5),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
}

/* ============================================
   STATS SECTION MEJORADA
   ============================================ */

.stat-item-modern {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-xl);
    padding: 30px 20px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-item-modern:hover::before {
    opacity: 1;
}

.stat-item-modern:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.3);
}

/* ============================================
   OPTIMIZACIONES DE PERFORMANCE
   ============================================ */

/* GPU acceleration para elementos animados */
.will-animate {
    will-change: transform, opacity;
    transform: translateZ(0);
}

/* Content visibility para lazy loading */
.lazy-section {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}

/* ============================================
   MEJORAS RESPONSIVE 2026
   ============================================ */

@media (max-width: 768px) {
    /* Touch targets optimizados */
    .btn-modern-2026,
    .card-modern-2026,
    a {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Reducir animaciones en móvil */
    * {
        animation-duration: 0.3s !important;
        transition-duration: 0.3s !important;
    }
    
    /* Reducir efectos 3D en móvil */
    .card-3d-hover:hover {
        transform: translateY(-5px) scale(1.01);
    }
}

/* ============================================
   UTILIDADES MODERNAS
   ============================================ */

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

.border-gradient {
    border: 2px solid transparent;
    background: 
        linear-gradient(white, white) padding-box,
        var(--gradient-primary) border-box;
}

/* ============================================
   SCROLL PROGRESS MEJORADO
   ============================================ */

.scroll-progress-modern {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 
        0 2px 10px rgba(0, 102, 204, 0.5),
        0 0 20px rgba(0, 102, 204, 0.3);
}

/* ============================================
   LOADING STATES MODERNOS
   ============================================ */

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 102, 204, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   FIN MEJORAS 2026
   ============================================ */