:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f5f6fa;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.4;
    color: var(--text-color);
    background-color: var(--light-bg);
}

header {
    background: url('../img/baner_de_fondo.png') center/cover;
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-container {
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.logo {
    width: 72px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.header-content {
    background: rgba(0, 0, 0, 0.6);
    padding: 2rem;
    border-radius: 10px;
    max-width: 800px;
    margin: 0 auto;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

main {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.sidebar {
    flex: 0 0 300px;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.sidebar h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.aplicaciones-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.aplicacion-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid #eee;
}

.aplicacion-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--secondary-color);
}

.aplicacion-imagen {
    width: 100%;
    height: 150px;
    object-fit: contain;
    border-bottom: 3px solid var(--secondary-color);
}

.aplicacion-titulo {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    background: var(--white);
}

.card-container {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    align-content: start;
}

.card {
    background: var(--white);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid #eee;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border-color: var(--secondary-color);
}

.card h2 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.card p {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    line-height: 1.4;
}

.card-content {
    line-height: 1.4;
}

.card-content ul, 
.card-content ol {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.card-content li {
    margin-bottom: 0.25rem;
}

.btn-primary {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-color);
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
    padding-top: 60px;
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 800px;
    border-radius: 10px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 20px;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

/* Carousel styles */
.carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-item {
    min-width: 100%;
    flex: 0 0 auto;
    display: none;
}

.carousel-item.active {
    display: block;
}

.carousel-item img {
    width: 100%;
    max-height: 80vh;
    object-fit: contain;
    display: block;
    border-radius: 8px;
    margin: auto;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0,0,0,0.5);
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    font-size: 24px;
    z-index: 1;
    border-radius: 5px;
}

.carousel-control.prev {
    left: 10px;
}

.carousel-control.next {
    right: 10px;
}

.carousel-control:hover {
    background-color: rgba(0,0,0,0.8);
}

/* Video Container Styles (for local videos in modal) */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* WhatsApp button */
#whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #25D366;
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: var(--transition);
    z-index: 100;
}

#whatsapp-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

#whatsapp-btn img {
    width: 24px;
    height: 24px;
}

/* Responsive design */
@media (max-width: 768px) {
    main {
        flex-direction: column;
        padding: 1rem;
    }

    .sidebar {
        flex: 0 0 auto;
    }

    .card-container {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .logo {
        width: 48px;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    animation: fadeIn 0.5s ease-out;
}

/* Loading state */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Currency selector styles */
.currency-selector {
    background: var(--white);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.currency-selector label {
    font-weight: 600;
    color: var(--primary-color);
}

.currency-selector select {
    padding: 0.5rem;
    border: 1px solid var(--secondary-color);
    border-radius: 5px;
    font-size: 1rem;
    color: var(--text-color);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.currency-selector select:hover {
    border-color: var(--primary-color);
}

/* Pricing styles */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.pricing-option {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.pricing-option:hover {
    transform: translateY(-5px);
}

.pricing-option.featured {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.05);
}

.pricing-option.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-option h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.pricing-option.featured h3 {
    color: #fff;
}

.pricing-option .price {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 1.5rem 0;
    color: var(--primary-color);
}

.pricing-option.featured .price {
    color: #fff;
}

.pricing-option ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.pricing-option li {
    margin: 0.8rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-color);
}

.pricing-option.featured li {
    color: #fff;
}

.pricing-option li i {
    color: var(--primary-color);
}

.pricing-option.featured li i {
    color: #fff;
}

.pricing-option .btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.pricing-option.featured .btn {
    background: #fff;
    color: var(--primary-color);
}

.pricing-option .btn:hover {
    background: var(--secondary-color);
}

.pricing-option.featured .btn:hover {
    background: #f0f0f0;
}

/* Country selector styles */
.country-selector {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.country-selector label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.country-selector select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    background: #fff;
    color: #333;
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.country-selector select:hover,
.country-selector select:focus {
    background: #f5f5f5;
    border-color: #3498db;
    outline: none;
}

.country-selector select option {
    background: #fff;
    color: #333;
    padding: 8px;
}