/**
 * ============================================
 * PRICING PAGE - FROM SCRATCH v4.0
 * Coherente con el sistema CheckToBuild
 * ============================================
 * 
 * Design Philosophy: Vercel/Stripe/Modern SaaS
 * - SIMPLE: Clean pricing cards, clear CTAs
 * - CONTENIDO: Compact spacing, info-dense
 * - ELEGANTE: Subtle shadows, smooth interactions
 * - FUNCIONAL: Modal integration, Stripe payments
 * 
 * @requires solutions-base.css
 * @package CheckToBuild
 * @version 4.0.0
 */

/* ============================================
   GLOBAL PRICING SETTINGS
   ============================================ */
:root {
    --pricing-primary: #0891b2;
    --pricing-success: #10b981;
    --pricing-dark: #0f172a;
    --pricing-gray-50: #f8fafc;
    --pricing-gray-100: #f1f5f9;
    --pricing-gray-200: #e2e8f0;
    --pricing-gray-600: #475569;
    --pricing-gray-900: #0f172a;
    --pricing-radius: 12px;
    --pricing-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --pricing-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --pricing-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --pricing-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

/* ============================================
   1. HERO SECTION - Compact & Clear
   ============================================ */
.pricing-header {
    padding: 6rem 0 3rem;
    text-align: center;
    background: linear-gradient(180deg, var(--pricing-gray-50) 0%, #ffffff 100%);
}

.pricing-header .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.pricing-header h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--pricing-gray-900);
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.pricing-header p {
    font-size: 1.125rem;
    color: var(--pricing-gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================
   2. PRICING SECTION - Main Container
   ============================================ */
.pricing-section {
    padding: 3rem 0;
    background: #ffffff;
}

.pricing-section .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--pricing-gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--pricing-gray-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================
   3. PRICING GRID - 3 Column Layout
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    align-items: start;
}

/* ============================================
   4. PRICING CARD - Core Design
   ============================================ */
.pricing-card {
    position: relative;
    background: #ffffff;
    border: 2px solid var(--pricing-gray-200);
    border-radius: var(--pricing-radius);
    padding: 2rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card:hover {
    border-color: var(--pricing-primary);
    box-shadow: var(--pricing-shadow-lg);
    transform: translateY(-4px);
}

/* Featured Card - Most Popular */
.pricing-card.featured {
    border-color: var(--pricing-primary);
    box-shadow: var(--pricing-shadow-xl);
    background: linear-gradient(180deg, #ffffff 0%, var(--pricing-gray-50) 100%);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

/* ============================================
   5. PRICING BADGE - Most Popular Tag
   ============================================ */
.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--pricing-success) 0%, #059669 100%);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.375rem 1rem;
    border-radius: 50px;
    box-shadow: var(--pricing-shadow-md);
    white-space: nowrap;
}

/* ============================================
   6. PRICING ICON - Visual Identity
   ============================================ */
.pricing-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pricing-primary) 0%, #0e7490 100%);
    border-radius: var(--pricing-radius);
    color: #ffffff;
    font-size: 1.75rem;
    box-shadow: var(--pricing-shadow-md);
}

.pricing-card.featured .pricing-icon {
    background: linear-gradient(135deg, var(--pricing-success) 0%, #059669 100%);
}

/* ============================================
   7. PRICING HEADER - Title & Description
   ============================================ */
.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pricing-gray-900);
    margin-bottom: 0.75rem;
    text-align: center;
    line-height: 1.2;
}

.pricing-description {
    font-size: 0.9375rem;
    color: var(--pricing-gray-600);
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    min-height: 45px;
}

/* ============================================
   8. PRICING PRICE - Main Value Proposition
   ============================================ */
.pricing-price {
    text-align: center;
    margin: 1.5rem 0 0.5rem;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--pricing-primary);
    line-height: 1;
    letter-spacing: -0.02em;
    position: relative;
}

.pricing-card.featured .pricing-price {
    color: var(--pricing-success);
}

.pricing-price .currency {
    font-size: 2rem;
    vertical-align: super;
    margin-right: 0.25rem;
    font-weight: 700;
}

.pricing-price .original {
    position: absolute;
    top: -20px;
    right: 0;
    font-size: 1.125rem;
    color: var(--pricing-gray-600);
    text-decoration: line-through;
    font-weight: 600;
}

/* ============================================
   9. PRICING PERIOD - Billing Info
   ============================================ */
.pricing-period {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--pricing-gray-600);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--pricing-gray-200);
    font-weight: 500;
}

/* ============================================
   10. PRICING FEATURES - What's Included
   ============================================ */
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--pricing-gray-900);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.pricing-features li:last-child {
    margin-bottom: 0;
}

.pricing-features li i {
    color: var(--pricing-success);
    font-size: 1.125rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   11. PRICING BUTTON - Call to Action
   ============================================ */
.btn-pricing {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: auto;
    text-decoration: none;
}

.btn-pricing:hover {
    transform: translateY(-2px);
}

.btn-pricing.btn-primary {
    background: linear-gradient(135deg, var(--pricing-primary) 0%, #0e7490 100%);
    color: #ffffff;
    box-shadow: var(--pricing-shadow-md);
}

.btn-pricing.btn-primary:hover {
    box-shadow: var(--pricing-shadow-lg);
}

.btn-pricing.btn-success {
    background: linear-gradient(135deg, var(--pricing-success) 0%, #059669 100%);
    color: #ffffff;
    box-shadow: var(--pricing-shadow-md);
}

.btn-pricing.btn-success:hover {
    box-shadow: var(--pricing-shadow-lg);
}

.btn-pricing.btn-secondary {
    background: #ffffff;
    color: var(--pricing-primary);
    border: 2px solid var(--pricing-primary);
    box-shadow: var(--pricing-shadow-sm);
}

.btn-pricing.btn-secondary:hover {
    background: var(--pricing-gray-50);
    box-shadow: var(--pricing-shadow-md);
}

/* ============================================
   12. ENTERPRISE SOLUTIONS SECTION
   ============================================ */
.solutions-section {
    padding: 4rem 0;
    background: var(--pricing-gray-50);
}

.solutions-section .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

/* ============================================
   13. SOLUTION CARD - Enterprise Options
   ============================================ */
.solution-card {
    background: #ffffff;
    border: 2px solid var(--pricing-gray-200);
    border-radius: var(--pricing-radius);
    padding: 2.5rem;
    box-shadow: var(--pricing-shadow-sm);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    border-color: var(--pricing-primary);
    box-shadow: var(--pricing-shadow-lg);
    transform: translateY(-4px);
}

/* Solution Header */
.solution-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--pricing-gray-200);
}

.solution-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--pricing-gray-900);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.solution-subtitle {
    font-size: 0.9375rem;
    color: var(--pricing-gray-600);
    font-weight: 500;
}

/* Solution Badge */
.solution-badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.solution-badge.saas {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: #ffffff;
}

.solution-badge.full-service {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    color: #ffffff;
}

/* Solution Content */
.solution-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pricing-primary);
    margin-bottom: 1.5rem;
}

.solution-description {
    font-size: 1rem;
    color: var(--pricing-gray-600);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.solution-card .pricing-features {
    margin-bottom: 2rem;
}

.solution-card .btn-pricing {
    margin-top: auto;
}

/* ============================================
   14. TRUST BAR - Security & Trust
   ============================================ */
.trust-bar {
    padding: 2rem 0;
    background: linear-gradient(135deg, var(--pricing-dark) 0%, #1e293b 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-bar .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.trust-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ffffff;
    font-size: 0.9375rem;
    font-weight: 600;
}

.trust-item i {
    font-size: 1.5rem;
    color: var(--pricing-success);
}

/* ============================================
   15. TRUST STATS - Social Proof
   ============================================ */
.trust-section {
    padding: 4rem 0;
    background: #ffffff;
}

.trust-section .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--pricing-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 1rem;
    color: var(--pricing-gray-600);
    font-weight: 600;
}

/* ============================================
   16. FAQ SECTION - Common Questions
   ============================================ */
.faq-section {
    padding: 4rem 0;
    background: var(--pricing-gray-50);
}

.faq-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.faq-grid {
    display: grid;
    gap: 1.5rem;
}

.faq-item {
    background: #ffffff;
    border: 2px solid var(--pricing-gray-200);
    border-radius: var(--pricing-radius);
    padding: 2rem;
    box-shadow: var(--pricing-shadow-sm);
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: var(--pricing-primary);
    box-shadow: var(--pricing-shadow-md);
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--pricing-gray-900);
    margin-bottom: 0.75rem;
}

.faq-answer {
    font-size: 1rem;
    color: var(--pricing-gray-600);
    line-height: 1.6;
}

/* ============================================
   17. CTA SECTION - Final Call to Action
   ============================================ */
.pricing-cta {
    padding: 5rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--pricing-dark) 0%, #1e293b 100%);
    color: #ffffff;
}

.pricing-cta .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.pricing-cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.pricing-cta p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   18. RESPONSIVE DESIGN
   ============================================ */

/* Desktop Large (>1400px) */
@media (min-width: 1400px) {
    .pricing-grid,
    .solutions-grid,
    .trust-stats {
        max-width: 1600px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Laptop (1024px - 1400px) */
@media (max-width: 1400px) {
    .pricing-header h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pricing-price {
        font-size: 3rem;
    }
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .pricing-header {
        padding: 5rem 0 2.5rem;
    }
    
    .pricing-section {
        padding: 2.5rem 0;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: scale(1);
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .trust-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .pricing-header {
        padding: 4rem 0 2rem;
    }
    
    .pricing-header h1 {
        font-size: 2rem;
    }
    
    .pricing-header p {
        font-size: 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-card {
        padding: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
        max-width: none;
    }
    
    .pricing-price {
        font-size: 2.5rem;
    }
    
    .solution-card {
        padding: 2rem;
    }
    
    .solution-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .trust-items {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

/* ============================================
   19. ANIMATIONS & INTERACTIONS
   ============================================ */

/* Smooth entrance animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pricing-card,
.solution-card,
.faq-item {
    animation: fadeInUp 0.5s ease-out backwards;
}

.pricing-card:nth-child(1) { animation-delay: 0.1s; }
.pricing-card:nth-child(2) { animation-delay: 0.2s; }
.pricing-card:nth-child(3) { animation-delay: 0.3s; }

/* Focus states for accessibility */
.btn-pricing:focus-visible {
    outline: 3px solid var(--pricing-primary);
    outline-offset: 3px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* ============================================
   20. PRINT STYLES
   ============================================ */
@media print {
    .pricing-header,
    .trust-bar,
    .pricing-cta {
        background: none !important;
        color: #000 !important;
    }
    
    .pricing-card,
    .solution-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #e5e7eb;
    }
    
    .btn-pricing {
        display: none;
    }
}