/* Comunidad MauroAds
   Misma identidad visual que mauroads.com: la paleta, las tipografias
   (Jost display + Outfit body), los radios, los espaciados y el estilo de
   botones salen de Pagina-web/styles.css.
   Este sitio no usa fotografias, solo color y tipografia. */

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

:root {
    --blue: #0047FF;
    --blue-glow: rgba(0, 71, 255, 0.18);
    --blue-mid: rgba(0, 71, 255, 0.08);
    --bg: #07070d;
    --bg2: #0d0d18;
    --surface: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.07);
    --text: #f0f0f5;
    --text-soft: #f5f5f5;
    --muted: rgba(240, 240, 245, 0.45);
    --font-display: 'Jost', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.65;
    overflow-x: hidden;
    /* El footer queda pegado abajo aunque la categoria este vacia y la
       pagina sea mas corta que la pantalla */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 12px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(7, 7, 13, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: border-color 0.3s;
}

.nav-inner {
    width: 100%;
    max-width: 1100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
    z-index: 2;
}

.nav-brand span {
    color: var(--blue);
}

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

/* Marca en que categoria esta parado el visitante */
.nav-links a.active {
    color: var(--text);
}

.nav-cta {
    background: var(--blue) !important;
    color: #fff !important;
    padding: 7px 18px;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: opacity 0.2s;
}

.nav-cta:hover {
    opacity: 0.85;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    /* Icono chico (14px de alto visible) pero area de toque de 40x28 */
    padding: 7px 11px;
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
}

.nav-hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

/* HERO */
.hero-wrapper {
    position: relative;
    overflow: hidden;
}

/* Resplandor azul detras del titulo, el mismo recurso que usa el hero
   del sitio principal para dar profundidad sin imagenes */
.hero-glow {
    position: absolute;
    top: -180px;
    left: 50%;
    transform: translateX(-50%);
    width: 1100px;
    height: 620px;
    background: radial-gradient(ellipse at center, rgba(0, 71, 255, 0.22), transparent 68%);
    pointer-events: none;
}

#hero {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 150px 40px 64px;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 3.2vw, 3.4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.accent {
    color: var(--blue);
}

.hero-subtitle {
    color: var(--text-soft);
    font-size: 1.05rem;
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.75;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 16px;
}

/* CATEGORIAS */
#categorias {
    position: relative;
    z-index: 1;
    padding: 8px 0 88px;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cat-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px 28px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.3s, transform 0.3s;
}

.cat-card:hover {
    border-color: rgba(0, 71, 255, 0.3);
    transform: translateY(-4px);
}

.cat-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    background: rgba(0, 71, 255, 0.1);
    border: 1px solid rgba(0, 71, 255, 0.3);
    border-radius: 14px;
    flex-shrink: 0;
}

.cat-icon svg {
    width: 24px;
    height: 24px;
}

.cat-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.cat-desc {
    color: var(--text-soft);
    font-size: 0.92rem;
    line-height: 1.7;
    /* Empuja el "Entrar" al pie asi las cuatro tarjetas quedan alineadas */
    flex: 1 0 auto;
    margin-bottom: 20px;
}

.cat-link {
    color: var(--blue);
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}

.cat-card:hover .cat-link {
    gap: 11px;
}

/* CABECERA DE CATEGORIA */
#cat-header {
    position: relative;
    z-index: 1;
    padding: 142px 0 40px;
}

.breadcrumb {
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 18px;
}

.breadcrumb a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--blue);
}

.breadcrumb .sep {
    margin: 0 8px;
}

.cat-header-title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.cat-header-sub {
    color: var(--text-soft);
    font-size: 1rem;
    line-height: 1.75;
    max-width: 640px;
}

/* ESTADO VACIO
   Cuando la categoria tenga contenido, este bloque se reemplaza por el
   listado de recursos y el resto de la pagina queda igual */
#listado {
    position: relative;
    z-index: 1;
    padding: 0 0 96px;
}

.empty-state {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 64px 32px;
    text-align: center;
}

.empty-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    background: rgba(0, 71, 255, 0.1);
    border: 1px solid rgba(0, 71, 255, 0.3);
    border-radius: 14px;
}

.empty-icon svg {
    width: 24px;
    height: 24px;
}

.empty-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    max-width: 480px;
    margin: 0 auto 26px;
    line-height: 1.6;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--blue);
    color: #fff;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 30px rgba(0, 71, 255, 0.3);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(0, 71, 255, 0.5);
}

/* FOOTER */
footer {
    flex-shrink: 0;
    padding: 72px 40px 40px;
    text-align: center;
    /* Sin border-top: el glow integra el footer con el fondo en vez de
       que se lea como una franja aparte */
    position: relative;
    /* Imprescindible: el resplandor es mas ancho que el viewport en mobile
       y sin esto expandiria la pagina a lo ancho */
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -150px;
    transform: translateX(-50%);
    width: 1000px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(0, 71, 255, 0.32), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* El contenido queda por encima del resplandor */
footer>* {
    position: relative;
    z-index: 1;
}

footer p {
    color: var(--text-soft);
    font-size: 0.82rem;
    margin-bottom: 14px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.8rem;
}

.footer-links a {
    color: var(--text-soft);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--blue);
}

.footer-dot {
    color: var(--text-soft);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    nav {
        padding: 14px 18px;
        justify-content: flex-start;
        background: rgba(7, 7, 13, 0.97);
        /* backdrop-filter crea un containing block para hijos position:fixed,
           lo que romperia el overlay de pantalla completa del menu */
        backdrop-filter: none;
    }

    .nav-inner {
        gap: 0;
    }

    /* Menu mobile: capa fija a pantalla completa, oculta por defecto */
    .nav-links {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--bg);
        padding: 96px 24px 48px;
        z-index: 1;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-24px);
        transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s;
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-links li {
        width: 100%;
        max-width: 320px;
    }

    .nav-links a {
        display: block;
        text-align: center;
        padding: 18px 16px;
        font-size: 1.05rem;
        color: var(--text-soft);
    }

    .nav-links .nav-cta {
        margin-top: 14px;
        padding: 16px 22px;
    }

    .nav-hamburger {
        display: flex;
        z-index: 2;
    }

    /* El icono de hamburguesa se convierte en una X mientras el menu esta abierto */
    .nav-hamburger span {
        transition: transform 0.28s ease, opacity 0.2s ease;
    }

    .nav-hamburger.open span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-hamburger.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-hamburger.open span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    body.menu-open {
        overflow: hidden;
    }

    .container {
        padding: 0 20px;
    }

    #hero {
        padding: 118px 20px 48px;
    }

    #categorias {
        padding: 8px 0 64px;
    }

    .cat-grid {
        grid-template-columns: 1fr;
    }

    #cat-header {
        padding: 112px 0 32px;
    }

    #listado {
        padding: 0 0 72px;
    }

    .empty-state {
        padding: 48px 22px;
    }
}