/* 
 * Estilo retro inspirado en cartelería americana de los años 50
 * Colores pastel, tipografías vintage, diseño optimista
 */

:root {
    /* Paleta de colores pastel retro */
    --retro-pink: #FFB6C1;
    --retro-mint: #98FF98;
    --retro-lemon: #FFFACD;
    --retro-blue: #B0E0E6;
    --retro-lavender: #E6E6FA;
    --retro-coral: #FF7F50;
    
    /* Colores base */
    --retro-dark: #2C3E50;
    --retro-light: #F8F9FA;
    --retro-gray: #6C757D;
    
    /* Tipografías retro */
    --font-heading: 'Bebas Neue', 'Rock Salt', cursive;
    --font-body: 'Poppins', -apple-system, sans-serif;
    --font-accent: 'Rock Salt', cursive;
    
    /* Espaciado retro */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* Bordes redondeados suaves */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Sombras vintage */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-retro: 4px 4px 0px rgba(0,0,0,0.2);
    
    /* Transiciones suaves */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--retro-dark);
    background: linear-gradient(135deg, var(--retro-light) 0%, #ffffff 100%);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Tipografía retro */
h1, h2, h3, h4, .retro-font {
    font-family: var(--font-heading);
    font-weight: 400;
    letter-spacing: 1px;
    line-height: 1.2;
}

.retro-logo {
    font-family: var(--font-accent);
    font-size: 2.5rem;
    color: var(--retro-coral);
    text-shadow: var(--shadow-retro);
    margin-bottom: var(--space-xs);
}

.tagline {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--retro-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Header retro */
.retro-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--retro-pink);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
}

.retro-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.retro-nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.retro-nav-link {
    color: var(--retro-dark);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.retro-nav-link:hover {
    color: var(--retro-coral);
}

.retro-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--retro-coral);
    transition: width var(--transition-normal);
}

.retro-nav-link:hover::after {
    width: 100%;
}

/* Botones retro */
.retro-btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.retro-btn-primary {
    background: var(--retro-coral);
    border-color: var(--retro-coral);
    color: white;
}

.retro-btn-primary:hover {
    background: transparent;
    color: var(--retro-coral);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.retro-btn-outline {
    background: transparent;
    border-color: var(--retro-dark);
    color: var(--retro-dark);
}

.retro-btn-outline:hover {
    background: var(--retro-dark);
    color: white;
    transform: translateY(-2px);
}

.retro-btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.2rem;
}

.retro-btn-xl {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.4rem;
}

/* Hero section */
.retro-hero {
    padding: var(--space-xl) 0;
    background: linear-gradient(135deg, var(--retro-blue) 0%, var(--retro-lavender) 100%);
    position: relative;
    overflow: hidden;
}

.retro-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/retro-pattern.png');
    opacity: 0.1;
}

.retro-hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.highlight {
    color: var(--retro-coral);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--retro-lemon);
    z-index: -1;
    opacity: 0.7;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--retro-dark);
    margin-bottom: var(--space-lg);
    max-width: 600px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    border: 2px solid var(--retro-pink);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--retro-coral);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--retro-gray);
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    border: 8px solid white;
    box-shadow: var(--shadow-lg);
    transform: rotate(3deg);
    transition: transform var(--transition-normal);
}

.hero-image img:hover {
    transform: rotate(0deg) scale(1.02);
}

/* Secciones generales */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    color: var(--retro-dark);
    position: relative;
    padding-bottom: var(--space-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--retro-coral);
}

.section-subtitle {
    text-align: center;
    color: var(--retro-gray);
    margin-bottom: var(--space-xl);
    font-size: 1.1rem;
}

/* Features grid */
.features-section {
    padding: var(--space-xl) 0;
    background: var(--retro-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--retro-mint);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--retro-coral);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--retro-dark);
}

/* How it works */
.how-it-works {
    padding: var(--space-xl) 0;
    background: linear-gradient(135deg, var(--retro-lemon) 0%, var(--retro-mint) 100%);
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-xl);
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 70px;
    width: 2px;
    height: calc(100% + var(--space-lg));
    background: var(--retro-coral);
    opacity: 0.3;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--retro-coral);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin-right: var(--space-lg);
    flex-shrink: 0;
    z-index: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
    color: var(--retro-dark);
}

/* Pricing */
.pricing-section {
    padding: var(--space-xl) 0;
    background: var(--retro-light);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.pricing-card {
    background: white;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    border: 3px solid var(--retro-blue);
    text-align: center;
    position: relative;
    transition: transform var(--transition-normal);
}

.pricing-card.featured {
    border-color: var(--retro-coral);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--retro-coral);
    color: white;
    padding: var(--space-xs) var(--space-lg);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.pricing-header {
    margin-bottom: var(--space-lg);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--retro-dark);
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--retro-coral);
}

.price span {
    font-size: 1rem;
    color: var(--retro-gray);
}

.savings {
    color: var(--retro-gray);
    font-size: 0.9rem;
    margin-top: var(--space-xs);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    text-align: left;
}

.pricing-features li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    color: var(--retro-gray);
    font-size: 0.9rem;
}

/* Testimonials */
.testimonials {
    padding: var(--space-xl) 0;
    background: linear-gradient(135deg, var(--retro-lavender) 0%, var(--retro-pink) 100%);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--retro-blue);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 4rem;
    color: var(--retro-coral);
    opacity: 0.3;
    font-family: var(--font-heading);
}

.testimonial-content {
    font-style: italic;
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--retro-dark);
    font-size: 1.1rem;
}

.testimonial-author span {
    color: var(--retro-gray);
    font-size: 0.9rem;
}

/* FAQ */
.faq-section {
    padding: var(--space-xl) 0;
    background: var(--retro-light);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-md);
    border-left: 4px solid var(--retro-mint);
    transition: border-color var(--transition-normal);
}

.faq-item:hover {
    border-left-color: var(--retro-coral);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
    color: var(--retro-dark);
}

/* Final CTA */
.final-cta {
    padding: var(--space-xl) 0;
    background: linear-gradient(135deg, var(--retro-coral) 0%, #FF6347 100%);
    text-align: center;
    color: white;
}

.final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
    opacity: 0.9;
}

.small-text {
    font-size: 0.9rem;
    margin-top: var(--space-md);
    opacity: 0.8;
}

/* Footer */
.retro-footer {
    background: var(--retro-dark);
    color: white;
    padding: var(--space-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    font-family: var(--font-accent);
    font-size: 2rem;
    color: var(--retro-pink);
    margin-bottom: var(--space-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.footer-column h4 {
    color: var(--retro-pink);
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--retro-pink);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    width: 100%;
    height: 3px;
    background: var(--retro-dark);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* Responsive */
@media (max-width: 768px) {
    .retro-hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .retro-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp var(--transition-slow) ease-out;
}

/* Estados especiales */
.expiring-soon {
    border-left: 4px solid #FFA500 !important;
    background: #FFF8E1 !important;
}

.expired {
    border-left: 4px solid #FF4444 !important;
    background: #FFE6E6 !important;
}

.frozen {
    border-left: 4px solid #4FC3F7 !important;
    background: #E1F5FE !important;
}

/* Dashboard específico */
.dashboard-header {
    background: linear-gradient(135deg, var(--retro-blue) 0%, var(--retro-lavender) 100%);
    padding: var(--space-lg) 0;
    margin-bottom: var(--space-xl);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.dashboard-stat-card {
    background: rgba(255, 255, 255, 0.9);
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    text-align: center;
    border: 2px solid var(--retro-pink);
}

.dashboard-stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--retro-coral);
    margin-bottom: var(--space-xs);
}

.dashboard-stat-label {
    color: var(--retro-gray);
    font-size: 0.9rem;
}

/* Tablas en dashboard */
.retro-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.retro-table th {
    background: var(--retro-dark);
    color: white;
    padding: var(--space-md);
    text-align: left;
    font-weight: 600;
}

.retro-table td {
    padding: var(--space-md);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.retro-table tr:hover {
    background: var(--retro-lemon);
}

/* Formularios retro */
.retro-form-group {
    margin-bottom: var(--space-lg);
}

.retro-form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--retro-dark);
}

.retro-form-input {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--retro-gray);
    border-radius: var(--border-radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.retro-form-input:focus {
    outline: none;
    border-color: var(--retro-coral);
}

.retro-form-select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--retro-gray);
    border-radius: var(--border-radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.retro-form-select:focus {
    outline: none;
    border-color: var(--retro-coral);
}

/* Alertas y notificaciones */
.retro-alert {
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.retro-alert-success {
    background: var(--retro-mint);
    border-left: 4px solid #4CAF50;
}

.retro-alert-warning {
    background: var(--retro-lemon);
    border-left: 4px solid #FFA500;
}

.retro-alert-error {
    background: #FFE6E6;
    border-left: 4px solid #FF4444;
}

.retro-alert-info {
    background: var(--retro-blue);
    border-left: 4px solid #2196F3;
}

/* Scanner específico */
.scanner-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.scanner-video {
    width: 100%;
    height: 300px;
    background: var(--retro-dark);
}

.scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--retro-coral);
}

.scanner-result {
    padding: var(--space-lg);
    background: white;
    border-top: 3px solid var(--retro-pink);
}

/* Loading spinner retro */
.retro-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--retro-gray);
    border-top: 4px solid var(--retro-coral);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}