/* ==================== VARIABLES Y RESET ==================== */
:root {
    --primary-color: #007bff;
    --secondary-color: #343a40;
    --accent-color: #6c757d;
    --text-color: #212529;
    --light-text: #6c757d;
    --light-bg: #f8f9fa;
    --border-color: #dee2e6;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ==================== UTILIDADES ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    font-weight: 700;
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 123, 255, 0.4);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ==================== NAVEGACIÓN ==================== */
.navbar {
    background-color: white;
    color: var(--text-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-bottom: 3px solid var(--primary-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    flex: 1;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #000000;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    transition: var(--transition);
    position: relative;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    padding: 120px 20px;
    text-align: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease;
    opacity: 0.95;
}

.hero-content .btn {
    animation: fadeInUp 1.4s ease;
}

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

.placeholder-image {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

/* ==================== SECCIONES ==================== */
section {
    padding: 80px 20px;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.section-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== ACERCA DE ==================== */
.about {
    background-color: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.15);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.feature-card p {
    color: var(--light-text);
    line-height: 1.8;
}

/* ==================== GALERÍA ==================== */
.features {
    background-color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 300px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.gallery-item:hover {
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.2);
}

.gallery-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 123, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item h3 {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    color: white;
    font-size: 1.2rem;
    z-index: 2;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover h3 {
    opacity: 1;
}

.gallery-item p {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 1rem;
    margin: 0;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover p {
    opacity: 1;
}

/* ==================== DESCARGAR ==================== */
.download {
    background: linear-gradient(135deg, var(--light-bg) 0%, white 100%);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.system-info {
    text-align: center;
    color: var(--light-text);
    font-size: 0.95rem;
}

/* ==================== VIDEO CONTAINER ==================== */
.video-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.video-container video {
    width: 100%;
    max-width: 800px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* ==================== REDES SOCIALES ==================== */
.social {
    background-color: var(--secondary-color);
    color: white;
}

.social h2 {
    color: white;
    margin-bottom: 1rem;
}

.social .section-intro {
    color: #adb5bd;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-btn {
    background: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.social-btn:hover {
    background: #0056b3;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 60px 20px 20px;
    border-top: 3px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: white;
}

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

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

.footer-section a {
    color: #adb5bd;
    transition: var(--transition);
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: #adb5bd;
    margin-bottom: 0.5rem;
}

/* ==================== PÁGINA LEGAL ==================== */
.legal-page {
    padding: 60px 20px;
    background-color: var(--light-bg);
    min-height: 600px;
    border-top: 3px solid var(--primary-color);
}

.legal-page h1 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.legal-page .updated {
    text-align: center;
    color: var(--light-text);
    margin-bottom: 3rem;
    font-size: 0.95rem;
}

.legal-content {
    background-color: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    line-height: 1.8;
    border-left: 4px solid var(--primary-color);
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-color);
}

.legal-content h2 {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.legal-content p {
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: justify;
}

.legal-content ul,
.legal-content ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-content ul li,
.legal-content ol li {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.back-link {
    text-align: center;
    margin-top: 2rem;
}

.back-link a {
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.back-link a:hover {
    color: #0056b3;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        gap: 0;
        padding: 1rem;
        display: none;
        z-index: 999;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

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

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-image {
        display: none;
    }

    section {
        padding: 40px 20px;
    }

    section h2 {
        font-size: 2rem;
    }

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

    .legal-content {
        padding: 1.5rem;
    }

    .legal-content h2 {
        font-size: 1.1rem;
        margin-top: 1.5rem;
    }

    .legal-content p {
        text-align: left;
        font-size: 0.95rem;
    }

    .download-buttons {
        flex-direction: column;
    }

    .download-buttons .btn {
        width: 100%;
    }

    .social-links {
        gap: 0.5rem;
    }

    .social-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

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

    .video-container video {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.4rem;
    }

    .nav-menu {
        gap: 0.5rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .gallery-item {
        height: 250px;
    }

    .legal-page h1 {
        font-size: 1.8rem;
    }

    .legal-content {
        padding: 1rem;
    }
}

/* ==================== MODAL PARA IMÁGENES ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    font-size: 40px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}

.modal-close:hover {
    color: var(--primary-color);
    transform: scale(1.2);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .modal-close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }

    .modal-content {
        max-width: 95%;
        max-height: 95%;
    }
}