/* ================================
   SOLUTIONS PAGE SPECIFIC STYLES
   ================================ */

/* Hero Solutions */
.hero-solutions {
    background: linear-gradient(135deg, #0a0a0a 0%, #16213e 100%);
    padding: 140px 0 80px;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
}

/* Hero Metrics with Animated Counters */
.hero-metrics {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin: var(--spacing-2xl) 0;
}

.hero-metrics .metric-item {
    text-align: center;
    min-width: 150px;
}

.hero-metrics .metric-value {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1.2;
    min-height: 4.5rem; /* Prevenir saltos durante animación */
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animación de entrada para los números */
.hero-metrics .metric-value.counter {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.hero-metrics .metric-value.counter.counted {
    opacity: 1;
    transform: translateY(0);
}

.hero-metrics .metric-label {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: var(--spacing-xs);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.3s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-metrics {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .hero-metrics .metric-value {
        font-size: 2.8rem;
        min-height: 3.5rem;
    }
}

/* ================================
   IMPROVED FILTERS SECTION
   ================================ */

.solutions-filters {
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 60px;
    z-index: 100;
    background: var(--dark-bg-soft);
    border-bottom: 2px solid var(--primary-blue);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.filters-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Filter Header - Clear identification */
.filters-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-right: var(--spacing-lg);
    border-right: 2px solid var(--border-light);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.4rem;
    white-space: nowrap;
}

.filters-header i {
    font-size: 1.4rem;
}

/* Filters Container - Horizontal layout */
.filters-container {
    display: flex;
    gap: var(--spacing-md);
    flex: 1;
    align-items: center;
}

.filter-group {
    flex: 1;
    max-width: 300px;
}

/* Modern Select Dropdowns */
.filter-select {
    width: 100%;
    padding: 12px 40px 12px 16px;
    background: var(--dark-bg);
    border: 2px solid var(--border-light);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.filter-select:hover {
    border-color: var(--primary-blue);
    background-color: rgba(0, 212, 255, 0.05);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* Active Filters Display */
.filters-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.active-filters {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.active-filter-tag {
    background: var(--primary-blue);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 1.0rem;
    display: flex;
    align-items: center;
    gap: 6px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.active-filter-tag i {
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.active-filter-tag i:hover {
    opacity: 1;
}

/* Reset Button */
.btn-reset-filters {
    background: transparent;
    border: 2px solid var(--text-muted);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
    font-weight: 500;
    white-space: nowrap;
}

.btn-reset-filters:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    background: rgba(0, 212, 255, 0.05);
}

.btn-reset-filters:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Alternative: Pill Button Style (if you prefer buttons over dropdowns) */
.filter-pills {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--dark-bg);
    padding: 4px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-light);
}

.filter-pill {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--text-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
}

.filter-pill:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-blue);
}

.filter-pill.active {
    background: var(--primary-blue);
    color: white;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .filters-wrapper {
        flex-wrap: wrap;
    }

    .filters-header {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        padding-bottom: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .filters-container {
        width: 100%;
        flex-wrap: wrap;
    }

    .filter-group {
        flex: 1;
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .solutions-filters {
        position: static;
    }

    .filter-group {
        width: 100%;
        max-width: 100%;
    }

    .filters-actions {
        width: 100%;
        justify-content: space-between;
    }
}

/* Results counter */
.results-counter {
    padding: var(--spacing-md) 0;
    color: var(--text-muted);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.results-counter strong {
    color: var(--primary-blue);
    font-size: 1.2rem;
}

/* Solutions Grid */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: var(--spacing-xl);
}

.solution-card {
    background: linear-gradient(135deg, var(--dark-card), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.solution-card-custom {
    background: linear-gradient(135deg, var(--dark-secondary), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.solution-card.hidden {
    display: none;
}

/* Challenge highlight effect */
.solution-card.highlighted {
    animation: pulse-highlight 0.5s ease;
}

@keyframes pulse-highlight {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

/* ================================
   SOLUTION HIGHLIGHT SYSTEM
   ================================ */

/* Solución destacada */
.solution-card.highlighted,
.solution-card-custom.highlighted {
    border: 2px solid var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.05));
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
    transform: translateY(-5px) scale(1.02);
    animation: pulse-highlight 1s ease-in-out;
}

/* Badge especial para solución destacada */
.solution-card.highlighted .solution-badge,
.solution-card-custom.highlighted .solution-badge {
    background: var(--primary-blue);
    color: white;
    box-shadow: 0 2px 10px rgba(0, 212, 255, 0.4);
}

/* Indicador de "Recomendado" */
.solution-card.highlighted::before,
.solution-card-custom.highlighted::before {
    content: "Recommended";
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    color: white;
    padding: 4px 16px;
    border-radius: 0 0 12px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    animation: slideDown 0.5s ease;
}

@keyframes pulse-highlight {
    0% {
        box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 12px 40px rgba(0, 212, 255, 0.5);
    }
    100% {
        box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Efecto suave de transición al quitar highlight */
.solution-card,
.solution-card-custom {
    transition: all 0.4s ease;
}

/* Dimmer effect para soluciones no destacadas */
.solutions-grid.has-highlight .solution-card:not(.highlighted),
.solutions-grid.has-highlight .solution-card-custom:not(.highlighted) {
    opacity: 0.6;
    transform: scale(0.98);
}

.solution-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-predictive {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-blue);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.badge-generative {
    background: rgba(147, 51, 234, 0.2);
    color: #9333ea;
    border: 1px solid rgba(147, 51, 234, 0.3);
}

.badge-hybrid {
    background: rgba(0, 208, 132, 0.2);
    color: var(--success-green);
    border: 1px solid rgba(0, 208, 132, 0.3);
}

.badge-custom {
    background: rgba(255, 153, 0, 0.2);
    color: #ff9900;
    border: 1px solid rgba(255, 153, 0, 0.3);
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.solution-icon i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.solution-card h3 {
    color: var(--text-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.6rem;
}

.solution-card p {
    color: var(--text-light);
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.solution-metrics {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.metric-badge {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-blue);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 1.0rem;
    font-weight: 600;
}

.solution-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.solution-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.solution-time {
    color: var(--text-muted);
    font-size: 0.9rem;
    white-space: nowrap;
}

.solution-link {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.8);
    color: var(--text-white);
    text-align: center;
    text-decoration: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    opacity: 0;
    transform: translateY(100%);
    transition: all var(--transition-normal);
}

.solution-card:hover .solution-link {
    opacity: 1;
    transform: translateY(0);
}

/* ================================
   PREMIUM BUNDLES DESIGN
   ================================ */

.bundles-grid-premium {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.bundle-card-premium {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.02), var(--dark-card));
    border: 2px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.bundle-card-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark));
}

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

/* Bundle Header */
.bundle-header {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    align-items: start;
}

.bundle-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 212, 255, 0.1));
    border: 2px solid var(--primary-blue);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bundle-icon i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.bundle-titles h3 {
    color: var(--text-white);
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
    line-height: 1.2;
}

.bundle-tagline {
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Bundle Description */
.bundle-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    font-size: 1.05rem;
}

/* What's Included */
.bundle-includes {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.bundle-includes h4 {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.bundle-includes ul {
    list-style: none;
}

.bundle-includes li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--text-white);
    font-size: 1rem;
}

.bundle-includes i {
    color: var(--success-green);
    margin-top: 4px;
    flex-shrink: 0;
}

/* Results Badges */
.bundle-results {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.result-badge {
    background: rgba(0, 208, 132, 0.1);
    border: 1px solid rgba(0, 208, 132, 0.3);
    color: var(--success-green);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.result-badge i {
    font-size: 0.8rem;
}

/* Premium Pricing Design */
.bundle-pricing {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), transparent);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: auto 0 var(--spacing-lg) 0;
    position: relative;
}

.pricing-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.original-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.price-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.price-value.struck {
    color: var(--text-muted);
    font-size: 1.2rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.discounted-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.price-value-main {
    color: var(--text-white);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--text-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    color: var(--text-light);
    font-size: 1.2rem;
}

.savings-badge {
    background: var(--success-green);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* CTA Button - Full Width */
.bundle-cta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.bundle-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.bundle-cta i {
    transition: transform var(--transition-normal);
}

.bundle-cta:hover i {
    transform: translateX(5px);
}

/* Responsive */
@media (max-width: 1200px) {
    .bundles-grid-premium {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .bundle-header {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .bundle-titles {
        text-align: center;
    }

    .bundle-card-premium {
        padding: var(--spacing-lg);
    }

    .price-value-main {
        font-size: 2rem;
    }
}

/* Challenges Grid */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.challenge-btn {
    background: var(--dark-card);
    border: 1px solid var(--border-light);
    color: var(--text-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.4rem;
}

.challenge-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateX(5px);
}

.challenge-btn i {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.challenge-btn:hover i {
    opacity: 1;
}

/* ================================
   CHALLENGE NAVIGATOR - MODERN
   ================================ */

.challenge-navigator-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.challenge-navigator-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: float-slow 20s ease-in-out infinite;
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-30px, 30px) rotate(180deg); }
}

/* Category Tabs */
.challenge-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

/* Challenge seleccionado */
.challenge-card.selected {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 212, 255, 0.08));
    border-color: var(--primary-blue);
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.challenge-card.selected .challenge-label {
    color: var(--primary-blue);
    font-weight: 600;
}

.challenge-card.selected .challenge-arrow {
    color: var(--primary-blue);
    opacity: 1;
    transform: translateX(5px);
}

.category-tab {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 500;
}

.category-tab:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.category-tab.active {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.category-tab i {
    font-size: 1.1rem;
}

/* Challenges Container */
.challenges-container {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Challenge Groups */
.challenge-group {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

.challenge-group:nth-child(1) { animation-delay: 0.1s; }
.challenge-group:nth-child(2) { animation-delay: 0.2s; }
.challenge-group:nth-child(3) { animation-delay: 0.3s; }
.challenge-group:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

.challenge-group.hidden {
    display: none;
}

/* Group Header */
.group-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.group-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
}

.group-icon.color-blue {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-blue);
}

.group-icon.color-purple {
    background: rgba(147, 51, 234, 0.2);
    color: #9333ea;
}

.group-icon.color-green {
    background: rgba(0, 208, 132, 0.2);
    color: #00d084;
}

.group-icon.color-orange {
    background: rgba(255, 153, 0, 0.2);
    color: #ff9900;
}

.group-header h3 {
    flex: 1;
    font-size: 1.6rem;
    color: var(--text-white);
    margin: 0;
}

.challenge-count {
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 1.0rem;
    color: var(--text-muted);
}

/* Group Challenges Grid */
.group-challenges {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

/* Challenge Cards */
.challenge-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 212, 255, 0.02));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 16px 20px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(0, 212, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.challenge-card:hover::before {
    opacity: 1;
}

.challenge-card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.25);
}

.challenge-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.challenge-label {
    color: var(--text-white);
    font-size: 1.2rem;
    font-weight: 500;
    flex: 1;
}

.challenge-arrow {
    color: var(--primary-blue);
    transition: transform 0.3s ease;
    opacity: 0.6;
}

.challenge-card:hover .challenge-arrow {
    transform: translateX(5px);
    opacity: 1;
}

/* Group Challenges Grid - ACTUALIZADO */
.group-challenges {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columnas por defecto */
    gap: var(--spacing-md);
}

/* Cuando un grupo está solo (filtrado), usa 1 columna */
.challenge-group:only-child .group-challenges,
.challenge-group.single-view .group-challenges {
    grid-template-columns: 1fr; /* 1 columna cuando está filtrado */
}

/* Challenge Cards - ACTUALIZADO */
.challenge-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 212, 255, 0.02));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 16px 20px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    min-height: 60px; /* Altura mínima para consistencia */
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(0, 212, 255, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.challenge-card:hover::before {
    opacity: 1;
}

.challenge-card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.25);
}

.challenge-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.challenge-label {
    color: var(--text-white);
    font-size: 0.95rem;
    font-weight: 500;
    flex: 1;
    padding-right: 10px;
}

.challenge-arrow {
    color: var(--primary-blue);
    transition: transform 0.3s ease;
    opacity: 0.6;
}

.challenge-card:hover .challenge-arrow {
    transform: translateX(5px);
    opacity: 1;
}

/* Challenge Hover Info - MEJORADO */
.challenge-hover {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(0, 0, 0, 0.7) 100%);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid rgba(0, 212, 255, 0.3);
}

.challenge-card:hover .challenge-hover {
    transform: translateY(0);
}

.solution-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    font-size: 0.85rem;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5); /* Mejora legibilidad */
}

.solution-hint i {
    font-size: 0.9rem;
    color: var(--text-white);
}

/* Responsive para tablets */
@media (max-width: 1024px) {
    .group-challenges {
        grid-template-columns: 1fr; /* 1 columna en tablets */
    }
}

/* Responsive para móvil */
@media (max-width: 768px) {
    .group-challenges {
        grid-template-columns: 1fr;
    }

    .challenge-stats {
        gap: var(--spacing-lg);
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Alternativa: Tooltip para la solución */
.challenge-hover {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(0, 0, 0, 0.95);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 8px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.challenge-hover::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(0, 0, 0, 0.95);
}

.challenge-card:hover .challenge-hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px);
}

/* Highlight Animation */
.challenge-card.highlighted {
    animation: pulse-highlight 0.6s ease 2;
    border-color: var(--primary-blue);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .hero-metrics {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

    .solutions-filters {
        position: static;
    }

    .bundles-grid {
        grid-template-columns: 1fr;
    }
}

/* Challenges Container - GRID DE GRUPOS */
.challenges-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columnas para los grupos */
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Cuando se filtra y queda un solo grupo visible */
.challenges-container.single-group {
    grid-template-columns: 1fr; /* 1 columna cuando está filtrado */
}

/* Challenge Groups */
.challenge-group {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

/* Group Challenges - Por defecto 1 columna */
.group-challenges {
    display: grid;
    grid-template-columns: 1fr; /* Por defecto 1 columna */
    gap: var(--spacing-sm);
}

/* Cuando el grupo está solo (filtrado), mostrar challenges en 2 columnas */
.challenges-container.single-group .group-challenges {
    grid-template-columns: repeat(2, 1fr); /* 2 columnas cuando está filtrado */
    gap: var(--spacing-md);
}

/* Challenge Cards */
.challenge-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 212, 255, 0.02));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 14px 20px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.challenge-card:hover {
    transform: translateX(5px);
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 212, 255, 0.03));
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}

/* En vista de grupo único, ajustar el hover para no desplazar tanto */
.challenges-container.single-group .challenge-card:hover {
    transform: translateY(-2px); /* Movimiento vertical en lugar de horizontal */
}

/* Responsive para tablets */
@media (max-width: 1024px) {
    .challenges-container {
        grid-template-columns: 1fr; /* 1 columna para grupos en tablet */
    }

    /* En tablet, mantener 2 columnas para challenges cuando está filtrado */
    .challenges-container.single-group .group-challenges {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive para móvil */
@media (max-width: 768px) {
    .challenges-container {
        grid-template-columns: 1fr;
    }

    /* En móvil, siempre 1 columna para challenges */
    .challenges-container.single-group .group-challenges {
        grid-template-columns: 1fr;
    }

    .solution-badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}

/* Challenge Cards - SIMPLIFICADO */
.challenge-card {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 212, 255, 0.02));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    padding: 14px 20px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.challenge-card:hover {
    transform: translateX(5px);
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 212, 255, 0.03));
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.2);
}

.challenge-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.challenge-label {
    color: var(--text-white);
    font-size: 1.2rem;
    font-weight: 500;
    flex: 1;
}

/* Solution Badge - NUEVO */
.solution-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--primary-blue);
    font-weight: 600;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.3s ease;
}

.challenge-card:hover .solution-badge {
    opacity: 1;
    transform: translateX(0);
}

.solution-badge i {
    font-size: 0.7rem;
}

.challenge-arrow {
    color: var(--primary-blue);
    opacity: 0.6;
    transition: all 0.3s ease;
    margin-left: 8px;
}

.challenge-card:hover .challenge-arrow {
    opacity: 1;
    transform: translateX(3px);
}

/* Responsive para tablets */
@media (max-width: 1024px) {
    .challenges-container {
        grid-template-columns: 1fr; /* 1 columna para grupos en tablet */
    }
}

/* Responsive para móvil */
@media (max-width: 768px) {
    .challenges-container {
        grid-template-columns: 1fr;
    }

    .solution-badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}

/* Eliminar el hover antiguo */
.challenge-hover {
    display: none;
}