/* ===============================================
   PSRKey - Estilos Modernos
   =============================================== */

/* ========== Variables CSS ========== */
:root {
    /* Colores principales */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #ec4899;
    --color-accent: #f59e0b;
    
    /* Colores de fondo */
    --color-bg-dark: #0f172a;
    --color-bg-medium: #1e293b;
    --color-bg-light: #f8fafc;
    --color-bg-card: #ffffff;
    
    /* Colores de texto */
    --color-text-dark: #0f172a;
    --color-text-medium: #475569;
    --color-text-light: #94a3b8;
    --color-text-white: #ffffff;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    
    /* Tipografía */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Bordes */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 2rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--color-bg-light);
}

/* ========== Utilidades ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== Navegación ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-bg-dark);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-white);
}

.nav-brand i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-white);
    background-color: rgba(99, 102, 241, 0.2);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-white);
    cursor: pointer;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(15, 23, 42, 0.3) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-white);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.floating-card {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.floating-card i {
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Hero Slider Styles */
.hero-slider {
    padding: 20px;
}

.hero-slide {
    position: absolute;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    transform: translateX(100%);
}

.hero-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.hero-slide.prev {
    opacity: 0;
    transform: translateX(-100%);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ========== Botones ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-text-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

/* ========== Productos Section ========== */
.productos {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-medium);
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.producto-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.producto-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.producto-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.producto-icon i {
    font-size: 2.5rem;
    color: var(--color-text-white);
}

.producto-titulo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.producto-descripcion {
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.producto-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.producto-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-medium);
    margin-bottom: 0.5rem;
}

.producto-features i {
    color: var(--color-primary);
    font-size: 0.875rem;
}

/* ========== Features Section ========== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-item i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-white);
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    color: var(--color-text-light);
}

/* ========== Contacto Section ========== */
.contacto {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.contacto-content {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.contacto-info {
    display: grid;
    gap: var(--spacing-md);
    max-width: 600px;
    width: 100%;
}

.contacto-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.contacto-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.contacto-item i {
    font-size: 2rem;
    color: var(--color-primary);
}

.contacto-item h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 0.25rem;
}

.contacto-item p {
    color: var(--color-text-medium);
}

/* ========== Footer ========== */
.footer {
    padding: var(--spacing-md) 0;
    background: var(--color-bg-dark);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-white);
}

.footer-brand i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.footer-text {
    color: var(--color-text-light);
    text-align: center;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-text-white);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .floating-card {
        width: 200px;
        height: 200px;
    }
    
    .floating-card i {
        font-size: 5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .productos-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========== Producto Detail Pages ========== */
.producto-hero {
    background: var(--gradient-primary);
    padding: 8rem 0 4rem;
    margin-top: 60px;
}

.producto-hero-content {
    text-align: center;
    color: var(--color-text-white);
}

.producto-hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.producto-hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

.producto-details {
    padding: var(--spacing-xl) 0;
}

.details-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.detail-section {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.detail-section h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
}

.detail-section h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-bg-light);
    border-radius: var(--border-radius-sm);
}

.feature-list i {
    color: var(--color-primary);
    margin-top: 0.25rem;
    font-size: 1.125rem;
}

.specs-list {
    list-style: none;
}

.specs-list li {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-bg-light);
}

.specs-list li:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: var(--color-text-dark);
    display: block;
    margin-bottom: 0.25rem;
}

.spec-value {
    color: var(--color-text-medium);
}

.download-box {
    background: var(--gradient-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    text-align: center;
    color: var(--color-text-white);
}

.download-box h3 {
    color: var(--color-text-white);
    margin-bottom: var(--spacing-sm);
}

.version-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.screenshots img {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshots img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: lightboxZoom 0.3s ease;
}

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

.lightbox-content img {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
    transition: transform 0.2s ease;
}

.lightbox-close:hover {
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .lightbox-content {
        max-width: 95%;
        max-height: 95%;
    }
    
    .lightbox-close {
        top: -35px;
        font-size: 1.5rem;
    }
}

.screenshot-placeholder {
    background: var(--color-bg-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-light);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--color-text-light);
}

.screenshot-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 968px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .producto-hero h1 {
        font-size: 2rem;
    }
}