:root {
    /* Colores Primarios */
    --color-blanco: #FFFFFF;
    --color-fondo-secundario: #F8F9FA;
    --color-texto-principal: #2C3E50;
    --color-texto-secundario: #7F8C8D;
    
    /* Colores Acentos */
    --color-primario: #3498DB;
    --color-primario-hover: #2980B9;
    --color-secundario: #2ECC71;
    --color-secundario-hover: #27AE60;
    
    /* Colores Complementarios */
    --color-naranja: #E67E22;
    --color-rosa: #E85D75;
    --color-purpura: #9B59B6;
    
    /* Sombras y Bordes */
    --shadow-suave: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-media: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-fuerte: 0 8px 24px rgba(0, 0, 0, 0.2);
    --border-color: #E0E0E0;
    
    /* Tipografía */
    --font-principal: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-pequeño: 14px;
    --font-size-grande: 20px;
    --font-size-titulo: 32px;
    --font-size-titulo-grande: 48px;
    
    /* Espaciado */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Border Radius */
    --radius-pequeño: 4px;
    --radius-medio: 8px;
    --radius-grande: 16px;
    
    /* Transiciones */
    --transition-rapida: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-lenta: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-blanco);
    color: var(--color-texto-principal);
    font-family: var(--font-principal);
    font-size: var(--font-size-base);
    line-height: 1.6;
    font-weight: 400;
    overflow-x: hidden;
}

/* Tipografía */
h1 {
    font-size: var(--font-size-titulo-grande);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: var(--font-size-titulo);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: var(--font-size-grande);
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

small {
    font-size: var(--font-size-pequeño);
    line-height: 1.4;
}

/* Enlaces */
a {
    color: var(--color-primario);
    text-decoration: none;
    transition: color var(--transition-normal);
}

a:hover {
    color: var(--color-primario-hover);
}

/* Botones Base */
button, input[type="button"], input[type="submit"] {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

/* Imágenes */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-fondo-secundario);
}

::-webkit-scrollbar-thumb {
    background: var(--color-texto-secundario);
    border-radius: var(--radius-medio);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-texto-principal);
}

/* --- Layout --- */
#app {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

.section {
    padding: var(--spacing-xl) 0;
    width: 100%;
}

.section:nth-child(even) {
    background-color: var(--color-fondo-secundario);
}

/* Flex Utilities */
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

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

/* --- Componentes --- */

/* Botones */
.button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-medio);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
}

.button-primary {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.button-primary:hover {
    background-color: var(--color-primario-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-media);
}

.button-primary:active {
    transform: translateY(0);
}

.button-secondary {
    background-color: var(--color-secundario);
    color: var(--color-blanco);
}

.button-secondary:hover {
    background-color: var(--color-secundario-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-media);
}

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

.button-outline:hover {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.button-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-pequeño);
}

.button-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-grande);
}

/* Cards */
.card {
    background-color: var(--color-blanco);
    border-radius: var(--radius-grande);
    overflow: hidden;
    box-shadow: var(--shadow-suave);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--color-fondo-secundario);
}

.card-content {
    padding: var(--spacing-lg);
}

.card-title {
    font-size: var(--font-size-grande);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-texto-principal);
}

.card-description {
    font-size: var(--font-size-pequeño);
    color: var(--color-texto-secundario);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Tags */
.tag {
    display: inline-block;
    background-color: var(--color-fondo-secundario);
    color: var(--color-texto-secundario);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-pequeño);
    font-size: var(--font-size-pequeño);
    font-weight: 500;
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.tag-blue {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--color-primario);
}

.tag-green {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--color-secundario);
}

.tag-orange {
    background-color: rgba(230, 126, 34, 0.1);
    color: var(--color-naranja);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-medio);
    background-color: var(--color-primario);
    color: var(--color-blanco);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--color-primario-hover);
    transform: scale(1.1);
}

.social-link-text {
    display: inline-block;
    margin-left: var(--spacing-sm);
    font-weight: 600;
}

/* --- Modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    animation: fadeIn var(--transition-normal);
    backdrop-filter: blur(4px);
}

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

.modal {
    background-color: var(--color-blanco);
    border-radius: var(--radius-grande);
    max-width: 90%;
    max-height: 90vh;
    width: 100%;
    overflow-y: auto;
    box-shadow: var(--shadow-fuerte);
    position: relative;
    animation: slideUp var(--transition-normal);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--color-blanco);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-texto-secundario);
    transition: all var(--transition-rapida);
    z-index: 1001;
    box-shadow: var(--shadow-suave);
}

.modal-close:hover {
    color: var(--color-texto-principal);
    background-color: var(--color-fondo-secundario);
    transform: rotate(90deg);
}

.modal-content {
    padding: var(--spacing-xl);
}

/* Modal Enhanced Styles */
.modal-hero-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.modal-hero-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius-medio);
    box-shadow: var(--shadow-media);
}

.modal-screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.modal-screenshot {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-pequeño);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.modal-screenshot:hover {
    transform: scale(1.05);
    border-color: var(--color-primario);
}

.modal-game-title {
    font-size: var(--font-size-titulo);
    font-weight: 700;
    color: var(--color-texto-principal);
    margin-bottom: var(--spacing-sm);
}

.modal-game-desc {
    font-size: var(--font-size-base);
    color: var(--color-texto-secundario);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.modal-details-card {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: var(--color-fondo-secundario);
    border-radius: var(--radius-medio);
    border-left: 4px solid var(--color-primario);
}

.modal-details-title {
    font-size: var(--font-size-grande);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-texto-principal);
}

.modal-details-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.modal-details-item {
    font-size: var(--font-size-pequeño);
    color: var(--color-texto-secundario);
}

.modal-details-item strong {
    color: var(--color-texto-principal);
}

.modal-download-section {
    margin-top: var(--spacing-xl);
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.modal-download-title {
    font-size: var(--font-size-grande);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-texto-principal);
}

.modal-download-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}


/* --- Header & Footer --- */
header {
    background-color: var(--color-blanco);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-suave);
}

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

.logo {
    font-size: var(--font-size-titulo);
    font-weight: 700;
    color: var(--color-texto-principal);
}

footer {
    background-color: var(--color-fondo-secundario);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

footer .container {
    text-align: center;
}

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

.footer-text {
    color: var(--color-texto-secundario);
    font-size: var(--font-size-pequeño);
}

/* --- Secciones Específicas --- */
.hero {
    background: linear-gradient(135deg, var(--color-primario), var(--color-purpura));
    color: var(--color-blanco);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero h1 {
    color: var(--color-blanco);
    margin-bottom: var(--spacing-md);
    animation: slideUp var(--transition-lenta);
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-grande);
    margin-bottom: var(--spacing-lg);
}

.about-section {
    text-align: center;
}

.about-content {
    max-width: 600px;
    margin: 0 auto;
}

.about-text {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-texto-secundario);
    margin-bottom: var(--spacing-lg);
}

.social-section {
    margin-top: var(--spacing-lg);
}

.games-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Grillas Responsivas */
.games-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* --- Animaciones --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--transition-normal);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp var(--transition-normal);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse:hover {
    animation: pulse var(--transition-rapida);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

.shake {
    animation: shake 0.3s ease-in-out;
}

/* --- Responsive Design --- */

/* Tablet */
@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .modal {
        max-width: 600px;
    }

    .container {
        padding: 0 var(--spacing-lg);
    }

    .section {
        padding: var(--spacing-xxl) 0;
    }

    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .modal {
        max-width: 700px;
    }

    .games-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop Grande */
@media (min-width: 1440px) {
    .games-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mobile specific adjustments */
@media (max-width: 767px) {
    header {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 24px;
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: var(--font-size-base);
    }

    .section {
        padding: var(--spacing-lg) 0;
    }
}