/* TrainBooster Landing Page - CSS */

/* Variables de colores profesionales */
:root {
    --primary-blue: #ff774c;
    --primary-blue-dark: #e65a2e;
    --primary-blue-light: #ff8f66;
    --secondary-gray: #64748b;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #2c3e50; /*#1e293b;*/
    --neutral-900: #2c3e50;/*#0f172a;*/
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Clase para el color naranja del "Fit" */
.text-orange {
    color: var(--primary-blue);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-logo:hover {
    color: var(--primary-blue-dark);
    transform: translateY(-1px);
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--neutral-600);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.btn-demo {
    background: var(--primary-blue);
    color: var(--white) !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.btn-demo:hover {
    background: var(--primary-blue-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--neutral-600);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    background: var(--neutral-900);
    color: var(--white);
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    color: var(--neutral-400);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--primary-blue-dark);
    color: var(--white);
}

.btn-secondary {
    background: transparent;
    color: var(--neutral-400);
    border: 2px solid var(--neutral-400);
}

.btn-secondary:hover {
    background: var(--neutral-400);
    color: var(--neutral-900);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1a1a1a, #2d2d2d);
    border-radius: 40px;
    padding: 8px;
    box-shadow: 
        0 0 0 2px #333,
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.phone-frame:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(2deg);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 25px;
    background: #000;
    border-radius: 0 0 15px 15px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.phone-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neutral-900);
}

.phone-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 32px;
}

.phone-home-indicator {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: #333;
    border-radius: 2px;
    z-index: 10;
}

/* Stats Section */
.stats-section {
    background: var(--neutral-50);
    padding: 4rem 0;
    border-bottom: 1px solid var(--neutral-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--neutral-600);
    font-weight: 500;
}

/* Features Section */
.features-section {
    padding: 3rem 0;
    background: var(--white);
    color: var(--neutral-800);
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--neutral-600);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--neutral-800);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-700);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-green) 100%);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--neutral-200);
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    padding: 2rem 0;
    background: var(--neutral-50);
}

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

.pricing-single {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--neutral-200);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--white) 0%, var(--neutral-50) 100%);
    border-width: 3px;
    width: 100%;
    padding: 3rem;
}

.pricing-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 3rem;
    width: 100%;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
    flex-shrink: 0;
    min-width: 200px;
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 1rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 1.5rem;
    color: var(--neutral-600);
}

.amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--neutral-600);
}

.pricing-features-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 0;
    text-align:left;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--neutral-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features i {
    color: var(--accent-green);
    font-size: 0.9rem;
}

.btn-pricing {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    text-align: center;
}

.btn-pricing:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Special Offer Styles */
.special-offer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.special-offer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s infinite;
}

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

.offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.offer-badge i {
    color: var(--accent-orange);
    animation: pulse 2s infinite;
}

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

.offer-content h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.offer-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-original {
    display: flex;
    margin-top:15px;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.original-price {
    color: var(--neutral-400);
    font-size: 1rem;
    text-decoration: line-through;
    font-weight: 500;
}

.offer-text {
    background: var(--accent-green);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}

/* Screenshots Section */
.screenshots-section {
    padding: 2rem 0;
    background: var(--neutral-50);
}

/* Grid de imágenes para móvil */
.screenshots-grid {
    display: none;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-grid-item {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-grid-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.screenshot-grid-image {
    width: 100%;
    height: 300px;
    background: var(--neutral-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.screenshot-grid-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.screenshot-grid-caption {
    padding: 1.5rem;
    text-align: center;
}

.screenshot-grid-caption h4 {
    color: var(--neutral-900);
    font-weight: 700;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.screenshot-grid-caption p {
    color: var(--neutral-600);
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.screenshots-carousel {
    margin-top: 3rem;
    position: relative;
}

.carousel-container {
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
    padding-bottom: 4px;
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-overflow-scrolling: touch;
}

.carousel-slide {
    min-width: 100%;
    flex-shrink: 0;
}

.screenshot-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.screenshot-image {
    position: relative;
    overflow: hidden;
    height: 500px;
    background: var(--neutral-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.screenshot-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* En móvil, mostrar las imágenes completas sin recortar */
@media (max-width: 768px) {
    .screenshot-image img {
        object-fit: contain;
        background: var(--neutral-100);
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
    }

    /* Grid responsive para pantallas muy pequeñas */
    .screenshots-grid {
        gap: 1rem;
    }

    .screenshot-grid-image {
        height: 200px;
    }

    .screenshot-grid-caption {
        padding: 0.75rem;
    }

    .screenshot-grid-caption h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .screenshot-grid-caption p {
        font-size: 0.85rem;
        line-height: 1.4;
    }
}

/*.screenshot-card:hover .screenshot-image img {
    transform: scale(1.08);
}*/

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem 1.5rem 1.5rem;
    color: var(--white);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.screenshot-caption {
    padding: 2rem;
    text-align: center;
    background: var(--white);
}

.screenshot-caption h4 {
    color: var(--neutral-900);
    font-weight: 700;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.screenshot-caption p {
    color: var(--neutral-600);
    font-size: 1rem;
    line-height: 1.6;
}

.carousel-container {
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
    touch-action: pan-y pinch-zoom;
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    min-width: 100%;
    flex-shrink: 0;
}

.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    pointer-events: none;
    z-index: 10;
}

.carousel-btn {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-blue);
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.carousel-btn:hover {
    background: var(--white);
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    color: var(--primary-blue-dark);
}

.carousel-btn:disabled {
    background: rgba(255, 255, 255, 0.5);
    color: var(--neutral-400);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.carousel-btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

.carousel-dots {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--neutral-300);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.dot:hover {
    background: var(--primary-blue-light);
    transform: scale(1.2);
}

.dot.active {
    background: var(--primary-blue);
    transform: scale(1.3);
}

.dot.active::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    opacity: 0.3;
}

.carousel-progress {
    position: absolute;
    bottom: -4px;
    left: 0;
    height: 4px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
    border-radius: 0 0 20px 20px;
    z-index: 5;
}

/* Referral System Section */
.referral-section {
    padding: 2rem 0;
    background: var(--white);
    color: var(--neutral-800);
}

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

.referral-simple {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.referral-card-simple {
    background: var(--white);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--neutral-200);
    max-width: 900px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.referral-card-simple::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-green) 100%);
}

.referral-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 3rem;
    width: 100%;
}

.referral-left {
    flex: 1;
    text-align: left;
}

.referral-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.referral-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0 1.5rem 0;
    color: var(--white);
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.referral-card-simple:hover .referral-icon-large {
    transform: scale(1.1) rotate(5deg);
}

.referral-card-simple h3 {
    color: var(--neutral-900);
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.referral-description {
    color: var(--neutral-600);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.referral-benefits-simple {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 0;
}

.benefit-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--neutral-50);
    border-radius: 12px;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.benefit-simple:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.benefit-simple:hover .benefit-icon-simple {
    background: var(--white);
    color: var(--primary-blue);
}

.benefit-icon-simple {
    width: 24px;
    height: 24px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.benefit-simple span {
    font-weight: 500;
    font-size: 1rem;
}

.referral-cta {
    margin-top: 0;
}

.btn-referral-simple {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-blue);
    color: var(--white);
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-referral-simple:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: var(--white);
}

/* Testimonials Section */
.testimonials-section {
    padding: 2rem 0;
    background: var(--neutral-900);
    color: var(--white);
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--neutral-800);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-700);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--neutral-300);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.author-info h4 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-info span {
    color: var(--neutral-400);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
    padding: 2rem 0;
    background: var(--neutral-50);
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--neutral-600);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.contact-item h4 {
    color: var(--neutral-900);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--neutral-600);
    margin: 0;
}

.contact-actions {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
    text-align: center;
}

.contact-actions h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1rem;
}

.contact-actions p {
    color: var(--neutral-600);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    min-width: 200px;
    justify-content: center;
}

.email-btn {
    background: var(--primary-blue);
    color: var(--white);
}

.email-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.whatsapp-btn {
    background: #25D366;
    color: var(--white);
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.contact-info-demo {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.contact-item-demo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align:left;
    padding: 1rem;
    background: var(--neutral-50);
    border-radius: 12px;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.contact-item-demo:hover {
    background: var(--neutral-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-item-demo i {
    font-size: 1.5rem;
    color: var(--primary-blue);
    width: 24px;
    text-align: center;
}

.contact-item-demo h4 {
    color: var(--neutral-900);
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
}

.contact-item-demo p {
    color: var(--neutral-600);
    margin: 0;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--neutral-300);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
    width: 100%;
    background: var(--primary-blue);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-submit:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo .logo-img {
    height: 35px;
    width: auto;
    object-fit: contain;
}

.footer-logo i {
    font-size: 1.8rem;
}

.footer-section p {
    color: var(--neutral-400);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--neutral-800);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--white);
}

.terms-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--neutral-400);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.terms-link:hover {
    color: var(--white);
    transform: translateX(5px);
}

.terms-link i {
    font-size: 1rem;
    color: var(--accent-red);
}

.footer-bottom {
    border-top: 1px solid var(--neutral-800);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--neutral-400);
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-logo .logo-img {
        height: 32px;
    }
    
    .footer-logo .logo-img {
        height: 30px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
        transform: perspective(1000px) rotateY(-10deg) rotateX(2deg);
    }

    .phone-frame:hover {
        transform: perspective(1000px) rotateY(-5deg) rotateX(1deg);
    }

    .section-title {
        font-size: 2rem;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-single {
        margin-top: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
        max-width: 100%;
        padding: 2rem 1.5rem;
    }
    
    .pricing-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .pricing-features {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .pricing-header {
        min-width: auto;
    }
    
    .pricing-features-container {
        gap: 1.5rem;
    }
    
    .amount {
        font-size: 2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .referral-card-simple {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .referral-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .referral-left {
        text-align: center;
    }
    
    .referral-icon-large {
        margin: 0 auto 1.5rem;
    }

    .referral-icon-large {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .referral-card-simple h3 {
        font-size: 1.5rem;
    }

    .referral-description {
        font-size: 1rem;
    }

    .carousel-controls {
        padding: 0 1rem;
    }

    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }

    /* Carrusel responsive para móvil */
    .screenshots-container {
        padding: 0 1rem;
    }

    /* Ocultar carrusel y mostrar grid en móvil */
    .screenshots-carousel {
        display: none;
    }

    .screenshots-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .screenshot-grid-image {
        height: 250px;
    }

    .screenshot-grid-caption {
        padding: 1rem;
    }

    .screenshot-grid-caption h4 {
        font-size: 1.1rem;
    }

    .screenshot-grid-caption p {
        font-size: 0.9rem;
    }

    .screenshot-image {
        height: auto;
        min-height: 300px;
        max-height: 400px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .screenshot-caption {
        padding: 1.5rem;
    }

    .screenshot-caption h4 {
        font-size: 1.1rem;
    }

    .screenshot-caption p {
        font-size: 0.9rem;
    }

    .carousel-container {
        border-radius: 15px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .nav-container {
        padding: 0 1rem;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .phone-frame {
        width: 200px;
        height: 400px;
        transform: none;
    }

    .phone-frame:hover {
        transform: none;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .features-container,
    .pricing-container,
    .testimonials-container,
    .contact-container {
        padding: 0 1rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .contact-actions {
        padding: 2rem;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-contact {
        width: 100%;
        max-width: 300px;
    }

    .carousel-controls {
        padding: 0 0.5rem;
    }

    .carousel-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    /* Carrusel responsive para pantallas muy pequeñas */
    .screenshot-image {
        height: auto;
        min-height: 250px;
        max-height: 350px;
    }

    .screenshot-caption {
        padding: 1rem;
    }

    .screenshot-caption h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .screenshot-caption p {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .carousel-container {
        border-radius: 12px;
    }

    .screenshot-image img {
        object-fit: contain;
        background: var(--neutral-100);
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
    }
}

/* Loading states */
.loading-skeleton {
    background: linear-gradient(90deg, var(--neutral-200) 25%, var(--neutral-100) 50%, var(--neutral-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Efectos de focus para accesibilidad */
.btn-primary:focus,
.btn-secondary:focus,
.btn-pricing:focus,
.btn-submit:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Mejoras en el rendimiento */
.feature-card,
.stat-card,
.pricing-card,
.testimonial-card {
    will-change: transform;
}