:root {
    /* Colores espaciales */
    --color-background: #0A0F1C;
    --color-surface: #121E33;
    --color-text: #ffffff;
    --color-text-secondary: #A7C6E9;
    --color-primary: #07fcdb;
    --color-primary-hover: #00ffff;
    --color-primary-active: #00a2ff;
    --color-accent: #00E4FF;
    --color-success: #1BC2D1;
    --color-error: #FF5C8D;
    --color-warning: #FFA34B;
    --color-info: #50B0FF;
    --color-card-border: rgba(0, 228, 255, 0.20);

    --gradient-bg: linear-gradient(
        135deg,
        #050B19 0%,
        #002868 25%,
        #004FAF 50%,
        #0084F4 75%,
        #00E4FF 100%
    );

    --shadow-card: 0 10px 25px rgba(0, 228, 255, 0.12);
    --shadow-hover: 0 20px 40px rgba(0, 228, 255, 0.35);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 14px;
    font-family: "FKGroteskNeue", "Geist", "Inter", -apple-system,
                 BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--gradient-bg);
    position: relative;
    color: var(--color-text);
}

/* Estilos para el nuevo Logotipo */
.logo-link {
    display: flex;
    align-items: left;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.logo-img {
    height: 100px; /* Ajusta el tamaño según necesites */
    width: auto;
    margin-right: 15px;
    filter: drop-shadow(0 0 8px var(--color-primary)); /* Efecto de brillo neón */
    transition: var(--transition-smooth);
}

.logo-link:hover .logo-img {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px var(--color-accent));
}


/* Canvas de partículas */
#particles-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Elementos geométricos decorativos */
.geometric-elements {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.geometric-shape {
    position: absolute;
    border: 2px solid rgba(0, 228, 255, 0.30);
    transition: all 0.3s ease;
    opacity: 0.3;
}

.geometric-shape:hover {
    border-color: rgba(0, 228, 255, 0.80);
    box-shadow: 0 0 20px rgba(0, 228, 255, 0.40);
}

/* Contenedor principal */
.container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 20px;
    position: relative;
    z-index: 2;
}

/* Encabezado */
.header {
    padding: 60px 0 40px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.header__title {
    font-family: 'space_age', sans-serif;
    font-size: 3.5rem;
    font-weight: 400;
    letter-spacing: 2px;
    background: #00ffe5;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 228, 255, 0.30);
    margin-block-end: 10px;
}

.header__subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    letter-spacing: 1px;
}

.hero-accent-line {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 20px auto;
    border-radius: 2px;
    box-shadow: 0 0 20px var(--color-primary);
}

/* Grid de aplicaciones */
.main {
    padding: 40px 0 80px;
    position: relative;
    z-index: 2;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin-inline: auto;
}

/* Tarjetas */
.app-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 228, 255, 0.20);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.app-card:nth-child(1) { animation-delay: 0.1s; }
.app-card:nth-child(2) { animation-delay: 0.2s; }
.app-card:nth-child(3) { animation-delay: 0.3s; }
.app-card:nth-child(4) { animation-delay: 0.4s; }
.app-card:nth-child(5) { animation-delay: 0.5s; }
.app-card:nth-child(6) { animation-delay: 0.6s; }
.app-card:nth-child(7) { animation-delay: 0.7s; }
.app-card:nth-child(8) { animation-delay: 0.8s; }
.app-card:nth-child(9) { animation-delay: 0.9s; }
.app-card:nth-child(10) { animation-delay: 1s; }
.app-card:nth-child(11) { animation-delay: 1.1s; }
.app-card:nth-child(12) { animation-delay: 1.2s; }

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

.app-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 228, 255, 0.10), rgba(0, 148, 255, 0.10));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 228, 255, 0.50);
}

.app-card:hover::before {
    opacity: 1;
}

/* Iconos */
.app-card__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    color: var(--color-primary);
    transition: var(--transition-smooth);
    font-size: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-card:hover .app-card__icon {
    color: var(--color-primary-hover);
    transform: scale(1.15) rotateZ(-5deg);
}

/* Imagen especial Pikachu */
.app-card__image {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    object-fit: contain;
    display: block;
    transition: var(--transition-smooth);
    filter: drop-shadow(0 0 10px rgba(0, 228, 255, 0.3));
}

.app-card:hover .app-card__image {
    transform: scale(1.15) rotateZ(-5deg);
    filter: drop-shadow(0 0 20px rgba(0, 228, 255, 0.6));
}

/* Título */
.app-card__title {
    font-family: 'space_age', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin-block-end: 12px;
    color: #FFFFFF;
    transition: var(--transition-smooth);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.app-card:hover .app-card__title {
    color: var(--color-primary);
}

/* Descripción */
.app-card__description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.70);
    line-height: 1.5;
    transition: var(--transition-smooth);
}

.app-card:hover .app-card__description {
    color: rgba(255, 255, 255, 0.90);
}

/* Efecto hover radial */
.app-card__hover-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(0, 228, 255, 0.30), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.app-card:hover .app-card__hover-effect {
    width: 200px;
    height: 200px;
}

/* Enlace tarjeta */
.app-card-link {
    text-decoration: none;
    color: inherit;
}

/* Badge API */
.pokemon-info {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.75rem;
    background: rgba(0, 228, 255, 0.2);
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--color-accent);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 1024px) {
    .applications-grid { gap: 25px; }
    .header__title { font-size: 3rem; }
}

@media (max-width: 768px) {
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .app-card { padding: 25px; }
    .header__title { font-size: 2.5rem; }
}

@media (max-width: 576px) {
    .applications-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .app-card { padding: 20px; }
    .header__title { font-size: 2rem; letter-spacing: 1px; }
    .header__subtitle { font-size: 1rem; }
    .app-card__icon { width: 50px; height: 50px; font-size: 2rem; }
    .app-card__image { width: 80px; height: 80px; }
}

/* Accesibilidad */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}