/* ================================================================
   SOLUTIONS CARDS MODERN DESIGN SYSTEM
   Inspirado en Porto + Platzi + Mejores prácticas modernas
   OPTIMIZADO PARA SCROLL SUAVE Y PERFORMANCE
   ================================================================ */

/* OPTIMIZACIONES GLOBALES DE PERFORMANCE */
* {
    /* Scroll suave y optimizado */
    scroll-behavior: smooth !important;
}

.solution-item,
.filter-btn,
.solution-item .card,
.solution-item .card * {
    /* Optimización GPU para elementos interactivos */
    transform: translateZ(0) !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

/* Contenedor principal optimizado */
#solutions-catalog {
    /* Optimización para scroll containers */
    transform: translateZ(0) !important;
    -webkit-overflow-scrolling: touch !important;
}

/* OPTIMIZACIÓN CRÍTICA: Deshabilitar hover durante scroll activo */
.scrolling .solution-item .card:hover {
    /* Durante scroll, mantener estado normal para mejor performance */
    transform: translateY(0) scale(1) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08) !important;
    transition: none !important;
}

.scrolling .solution-btn-transformation:hover,
.scrolling .solution-btn-development:hover,
.scrolling .solution-btn-design:hover,
.scrolling .solution-btn-premium:hover {
    /* Deshabilitar hover de botones durante scroll */
    transform: scale(1) !important;
    filter: none !important;
    transition: none !important;
}

/* Variables CSS nativas */
:root {
    --solution-transformation-primary: #5969ff;
    --solution-transformation-secondary: #ff6675;
    --solution-transformation-light: rgba(89, 105, 255, 0.1);

    --solution-development-primary: #00d4aa;
    --solution-development-secondary: #00a8ff;
    --solution-development-light: rgba(0, 212, 170, 0.1);

    --solution-design-primary: #ff6b6b;
    --solution-design-secondary: #ffa726;
    --solution-design-light: rgba(255, 107, 107, 0.1);

    --solution-premium-primary: #ffd700;
    --solution-premium-secondary: #ff9a56;
    --solution-premium-light: rgba(255, 215, 0, 0.1);
}

/* ================================================================
   CARD BASE MODERNA ESTILO PLATZI - OPTIMIZADA PARA SCROLL
   ================================================================ */

.solution-item .card {
    border: none !important;
    border-radius: 20px !important;
    background: #ffffff !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
    overflow: hidden !important;
    transform: translateY(0) scale(1) !important;
    /* Optimización para scroll performance */
    will-change: transform, box-shadow !important;
    backface-visibility: hidden !important;
    transform-style: preserve-3d !important;
}

.solution-item .card:hover {
    /* Efectos hover optimizados para mejor performance durante scroll */
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12) !important;
    /* Escala más sutil para reducir carga computacional */
    transform: scale(1.01) !important;
    /* Transición más rápida para responsividad */
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ================================================================
   BARRAS DE GRADIENTE SUPERIORES - INSPIRADO EN PLATZI
   ================================================================ */

.solution-gradient-bar {
    height: 6px !important;
    width: 100% !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    z-index: 10 !important;
    border-radius: 20px 20px 0 0 !important;
}

.transformation-gradient {
    background: linear-gradient(90deg, var(--solution-transformation-primary) 0%, var(--solution-transformation-secondary) 100%) !important;
}

.development-gradient {
    background: linear-gradient(90deg, var(--solution-development-primary) 0%, var(--solution-development-secondary) 100%) !important;
}

.design-gradient {
    background: linear-gradient(90deg, var(--solution-design-primary) 0%, var(--solution-design-secondary) 100%) !important;
}

.premium-gradient {
    background: linear-gradient(90deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
}

/* ================================================================
   ICONOS MODERNOS CON GRADIENTES
   ================================================================ */

.solution-icon-transformation {
    background: linear-gradient(135deg, var(--solution-transformation-primary) 0%, var(--solution-transformation-secondary) 100%) !important;
    color: white !important;
    box-shadow: 0 8px 32px rgba(89, 105, 255, 0.3) !important;
}

.solution-icon-development {
    background: linear-gradient(135deg, var(--solution-development-primary) 0%, var(--solution-development-secondary) 100%) !important;
    color: white !important;
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.3) !important;
}

.solution-icon-design {
    background: linear-gradient(135deg, var(--solution-design-primary) 0%, var(--solution-design-secondary) 100%) !important;
    color: white !important;
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.3) !important;
}

.solution-icon-premium {
    background: linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
    color: #333 !important;
    box-shadow: 0 8px 32px rgba(255, 215, 0, 0.3) !important;
}

/* ================================================================
   TEXTO GRADIENTE MODERNO
   ================================================================ */

.solution-text-transformation {
    background: linear-gradient(135deg, var(--solution-transformation-primary) 0%, var(--solution-transformation-secondary) 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-weight: 700 !important;
}

.solution-text-development {
    background: linear-gradient(135deg, var(--solution-development-primary) 0%, var(--solution-development-secondary) 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-weight: 700 !important;
}

.solution-text-design {
    background: linear-gradient(135deg, var(--solution-design-primary) 0%, var(--solution-design-secondary) 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-weight: 700 !important;
}

.solution-text-premium {
    background: linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
    font-weight: 700 !important;
}

/* ================================================================
   BADGES TEMÁTICOS ESTILO PLATZI
   ================================================================ */

.solution-badge-transformation-badge {
    background: linear-gradient(135deg, var(--solution-transformation-secondary) 0%, var(--solution-transformation-primary) 100%) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    font-size: 0.75rem !important;
    box-shadow: 0 4px 20px rgba(89, 105, 255, 0.3) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.solution-badge-development-badge {
    background: linear-gradient(135deg, var(--solution-development-secondary) 0%, var(--solution-development-primary) 100%) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    font-size: 0.75rem !important;
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.3) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.solution-badge-design-badge {
    background: linear-gradient(135deg, var(--solution-design-secondary) 0%, var(--solution-design-primary) 100%) !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    font-size: 0.75rem !important;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.solution-badge-premium-badge {
    background: linear-gradient(135deg, var(--solution-premium-secondary) 0%, var(--solution-premium-primary) 100%) !important;
    color: #333 !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    font-size: 0.75rem !important;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3) !important;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.2) !important;
}

/* ================================================================
   BOTONES CTA MODERNOS ESTILO PLATZI
   ================================================================ */

.solution-btn-transformation {
    background: linear-gradient(135deg, var(--solution-transformation-primary) 0%, var(--solution-transformation-secondary) 100%) !important;
    border: none !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 12px 24px !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(89, 105, 255, 0.3) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.solution-btn-transformation:hover {
    /* Efectos optimizados para scroll performance */
    transform: scale(1.02) !important;
    box-shadow: 0 8px 25px rgba(89, 105, 255, 0.4) !important;
    color: white !important;
    filter: brightness(1.05) !important;
    transition: all 0.15s ease !important;
}

.solution-btn-development {
    background: linear-gradient(135deg, var(--solution-development-primary) 0%, var(--solution-development-secondary) 100%) !important;
    border: none !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 12px 24px !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.3) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.solution-btn-development:hover {
    transform: scale(1.02) !important;
    box-shadow: 0 8px 25px rgba(0, 212, 170, 0.4) !important;
    color: white !important;
    filter: brightness(1.05) !important;
    transition: all 0.15s ease !important;
}

.solution-btn-design {
    background: linear-gradient(135deg, var(--solution-design-primary) 0%, var(--solution-design-secondary) 100%) !important;
    border: none !important;
    color: white !important;
    font-weight: 600 !important;
    padding: 12px 24px !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.3) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

.solution-btn-design:hover {
    transform: scale(1.02) !important;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4) !important;
    color: white !important;
    filter: brightness(1.05) !important;
    transition: all 0.15s ease !important;
}

.solution-btn-premium {
    background: linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
    border: none !important;
    color: #333 !important;
    font-weight: 600 !important;
    padding: 12px 24px !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(255, 215, 0, 0.3) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.2) !important;
}

.solution-btn-premium:hover {
    transform: scale(1.02) !important;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4) !important;
    color: #333 !important;
    filter: brightness(1.05) !important;
    transition: all 0.15s ease !important;
}

/* ================================================================
   CARDS CON HOVER EFFECTS TEMÁTICOS
   ================================================================ */

.solution-card-transformation:hover {
    box-shadow: 0 20px 60px rgba(89, 105, 255, 0.2) !important;
}

.solution-card-development:hover {
    box-shadow: 0 20px 60px rgba(0, 212, 170, 0.2) !important;
}

.solution-card-design:hover {
    box-shadow: 0 20px 60px rgba(255, 107, 107, 0.2) !important;
}

.solution-card-premium:hover {
    box-shadow: 0 20px 60px rgba(255, 215, 0, 0.2) !important;
}

/* ================================================================
   FILTROS MODERNOS ESTILO PLATZI
   ================================================================ */

.filter-btn {
    border: 2px solid #e9ecef !important;
    background: white !important;
    color: #6c757d !important;
    border-radius: 30px !important;
    padding: 8px 20px !important;
    font-weight: 600 !important;
    font-size: 0.875rem !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-decoration: none !important;
}

.filter-btn-transformation {
    border-color: var(--solution-transformation-primary) !important;
    color: var(--solution-transformation-primary) !important;
}

.filter-btn-transformation.active,
.filter-btn-transformation:hover {
    background: linear-gradient(135deg, var(--solution-transformation-primary) 0%, var(--solution-transformation-secondary) 100%) !important;
    color: white !important;
    border-color: var(--solution-transformation-primary) !important;
    transform: scale(1.03) !important;
    box-shadow: 0 4px 15px rgba(89, 105, 255, 0.3) !important;
    transition: all 0.15s ease !important;
}

.filter-btn-development {
    border-color: var(--solution-development-primary) !important;
    color: var(--solution-development-primary) !important;
}

.filter-btn-development.active,
.filter-btn-development:hover {
    background: linear-gradient(135deg, var(--solution-development-primary) 0%, var(--solution-development-secondary) 100%) !important;
    color: white !important;
    border-color: var(--solution-development-primary) !important;
    transform: scale(1.03) !important;
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3) !important;
    transition: all 0.15s ease !important;
}

.filter-btn-design {
    border-color: var(--solution-design-primary) !important;
    color: var(--solution-design-primary) !important;
}

.filter-btn-design.active,
.filter-btn-design:hover {
    background: linear-gradient(135deg, var(--solution-design-primary) 0%, var(--solution-design-secondary) 100%) !important;
    color: white !important;
    border-color: var(--solution-design-primary) !important;
    transform: scale(1.03) !important;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3) !important;
    transition: all 0.15s ease !important;
}

.filter-btn-featured {
    border-color: var(--solution-premium-primary) !important;
    color: var(--solution-premium-primary) !important;
}

.filter-btn-featured.active,
.filter-btn-featured:hover {
    background: linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
    color: #333 !important;
    border-color: var(--solution-premium-primary) !important;
    transform: scale(1.03) !important;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3) !important;
    transition: all 0.15s ease !important;
}

/* ================================================================
   FEATURED SOLUTION - ESTRELLA DORADA ESTILO PLATZI
   ================================================================ */

.featured-solution::before {
    content: "⭐";
    position: absolute !important;
    top: -8px !important;
    right: 15px !important;
    background: linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
    color: #333 !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    z-index: 20 !important;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4) !important;
    animation: pulse-star 2s infinite !important;
}

@keyframes pulse-star {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ================================================================
   PREMIUM BORDER ESPECIAL
   ================================================================ */

.premium-border {
    border: 3px solid transparent !important;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) border-box !important;
    position: relative !important;
}

.premium-border::after {
    content: "";
    position: absolute !important;
    top: -3px !important;
    left: -3px !important;
    right: -3px !important;
    bottom: -3px !important;
    background: linear-gradient(135deg, var(--solution-premium-primary) 0%, var(--solution-premium-secondary) 100%) !important;
    border-radius: 20px !important;
    z-index: -1 !important;
    opacity: 0.3 !important;
    filter: blur(6px) !important;
}

/* ================================================================
   HIGHLIGHTS TEMÁTICOS
   ================================================================ */

.solution-highlight-transformation {
    background: linear-gradient(135deg, #f8f9ff 0%, var(--solution-transformation-light) 100%) !important;
    border-left: 4px solid var(--solution-transformation-primary) !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
}

.solution-highlight-transformation:hover {
    /* Efecto más sutil para mejor UX */
    background: linear-gradient(135deg, #f0f4ff 0%, rgba(89, 105, 255, 0.15) 100%) !important;
    border-left-width: 6px !important;
}

.solution-highlight-development {
    background: linear-gradient(135deg, #f0fffe 0%, var(--solution-development-light) 100%) !important;
    border-left: 4px solid var(--solution-development-primary) !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
}

.solution-highlight-development:hover {
    background: linear-gradient(135deg, #f0fffe 0%, rgba(0, 212, 170, 0.15) 100%) !important;
    border-left-width: 6px !important;
}

.solution-highlight-design {
    background: linear-gradient(135deg, #fff5f5 0%, var(--solution-design-light) 100%) !important;
    border-left: 4px solid var(--solution-design-primary) !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
}

.solution-highlight-design:hover {
    background: linear-gradient(135deg, #fff5f5 0%, rgba(255, 107, 107, 0.15) 100%) !important;
    border-left-width: 6px !important;
}

.solution-highlight-premium {
    background: linear-gradient(135deg, #fffdf0 0%, var(--solution-premium-light) 100%) !important;
    border-left: 4px solid var(--solution-premium-primary) !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
}

.solution-highlight-premium:hover {
    background: linear-gradient(135deg, #fffdf0 0%, rgba(255, 215, 0, 0.15) 100%) !important;
    border-left-width: 6px !important;
}

/* ================================================================
   ANIMACIONES ADICIONALES ESTILO PLATZI
   ================================================================ */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-item {
    animation: slideInUp 0.6s ease-out !important;
}

.solution-item:nth-child(1) { animation-delay: 0.1s !important; }
.solution-item:nth-child(2) { animation-delay: 0.2s !important; }
.solution-item:nth-child(3) { animation-delay: 0.3s !important; }
.solution-item:nth-child(4) { animation-delay: 0.4s !important; }
.solution-item:nth-child(5) { animation-delay: 0.5s !important; }
.solution-item:nth-child(6) { animation-delay: 0.6s !important; }

/* ================================================================
   RESPONSIVO
   ================================================================ */

@media (max-width: 768px) {
    .solution-item .card {
        margin-bottom: 2rem !important;
    }

    .filter-btn {
        margin-bottom: 0.5rem !important;
        font-size: 0.8rem !important;
        padding: 6px 16px !important;
    }

    .solution-gradient-bar {
        height: 4px !important;
    }
}