/* =========================================================
   CONFIGURACIÓN
========================================================= */

:root {
    --background: #0d0f14;
    --background-secondary: #151821;
    --background-card: #1b1f2a;
    --background-hover: #232836;

    --primary: #ff3d71;
    --primary-hover: #ff1957;
    --secondary: #6c63ff;

    --text: #f5f7fa;
    --text-secondary: #a8afbd;
    --border: rgba(255, 255, 255, 0.08);

    --container-width: 1400px;

    --radius-small: 6px;
    --radius-medium: 12px;
    --radius-large: 18px;

    --shadow-small: 0 4px 12px rgba(0, 0, 0, 0.20);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.30);
    --shadow-large: 0 18px 50px rgba(0, 0, 0, 0.45);

    --transition: 0.25s ease;
}


/* =========================================================
   RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;

    background:
        radial-gradient(
            circle at top left,
            rgba(108, 99, 255, 0.08),
            transparent 28%
        ),
        var(--background);

    color: var(--text);

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 16px;
    line-height: 1.5;
}

img {
    display: block;
    max-width: 100%;
}

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

button,
input {
    font: inherit;
}

button {
    border: 0;
    cursor: pointer;
}


/* =========================================================
   SCROLLBAR
========================================================= */

body::-webkit-scrollbar {
    width: 10px;
}

body::-webkit-scrollbar-track {
    background: var(--background);
}

body::-webkit-scrollbar-thumb {
    border: 2px solid var(--background);
    border-radius: 10px;
    background: var(--background-hover);
}

body::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}


/* =========================================================
   CONTENEDOR
========================================================= */

.container {
    width: min(100% - 40px, var(--container-width));
    margin-inline: auto;
    padding: 42px 0 70px;
}

.container h2,
.categories h2 {
    position: relative;

    margin-bottom: 26px;
    padding-left: 17px;

    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.2;
}

.container h2::before,
.categories h2::before {
    position: absolute;

    top: 3px;
    bottom: 3px;
    left: 0;

    width: 5px;

    border-radius: 10px;

    background:
        linear-gradient(
            180deg,
            var(--primary),
            var(--secondary)
        );

    content: "";
}


/* =========================================================
   HEADER
========================================================= */

.header {
    position: sticky;

    z-index: 1000;

    top: 0;

    display: grid;

    grid-template-columns:
        auto
        1fr
        minmax(260px, 400px);

    align-items: center;

    gap: 32px;

    min-height: 72px;

    padding:
        12px
        max(
            20px,
            calc((100vw - var(--container-width)) / 2)
        );

    border-bottom: 1px solid var(--border);

    background: rgba(13, 15, 20, 0.92);

    box-shadow:
        0 8px 25px
        rgba(0, 0, 0, 0.20);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}


/* =========================================================
   LOGO
========================================================= */

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo img {
    width: auto;
    max-width: 170px;
    height: 44px;

    object-fit: contain;
}


/* =========================================================
   MENÚ
========================================================= */

.menu {
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu a {
    display: inline-flex;
    align-items: center;

    min-height: 42px;

    padding: 0 14px;

    border-radius: var(--radius-small);

    color: var(--text-secondary);

    font-size: 0.95rem;
    font-weight: 600;

    transition:
        background var(--transition),
        color var(--transition),
        transform var(--transition);
}

.menu a:hover {
    background: rgba(255, 255, 255, 0.06);

    color: var(--text);

    transform: translateY(-1px);
}

.menu a:first-child {
    background: rgba(255, 61, 113, 0.12);

    color: var(--primary);
}


/* =========================================================
   BUSCADOR
========================================================= */

.search {
    display: flex;

    min-width: 0;

    overflow: hidden;

    border: 1px solid var(--border);

    border-radius: 999px;

    background: var(--background-secondary);

    transition:
        border-color var(--transition),
        box-shadow var(--transition);
}

.search:focus-within {
    border-color:
        rgba(255, 61, 113, 0.65);

    box-shadow:
        0 0 0 4px
        rgba(255, 61, 113, 0.10);
}

.search input {
    width: 100%;
    min-width: 0;

    height: 44px;

    padding: 0 18px;

    border: 0;
    outline: 0;

    background: transparent;

    color: var(--text);
}

.search input::placeholder {
    color: #747b89;
}

.search button {
    padding: 0 22px;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-hover)
        );

    color: #ffffff;

    font-weight: 700;

    transition:
        filter var(--transition),
        transform var(--transition);
}

.search button:hover {
    filter: brightness(1.12);
}

.search button:active {
    transform: scale(0.97);
}


/* =========================================================
   BANNERS PUBLICITARIOS
========================================================= */

.hero.ads-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;

    gap: 20px;

    width: 100%;
    height: auto;
    min-height: 0;

    padding: 20px;
    box-sizing: border-box;
}

.ad-box {
    display: flex;
    justify-content: center;
    align-items: center;
}


/* =========================================================
   CATEGORÍAS
========================================================= */

.categories {
    width:
        min(
            100% - 40px,
            var(--container-width)
        );

    margin: 50px auto 0;
}

.category-list {
    display: flex;
    flex-wrap: wrap;

    gap: 12px;
}

.category-list a {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-height: 42px;

    padding: 9px 18px;

    border: 1px solid var(--border);

    border-radius: 999px;

    background: var(--background-secondary);

    color: var(--text-secondary);

    font-size: 0.92rem;
    font-weight: 600;

    transition:
        transform var(--transition),
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.category-list a:hover,
.category-list a.active {
    border-color:
        rgba(255, 61, 113, 0.55);

    background:
        rgba(255, 61, 113, 0.14);

    color: #ffffff;

    transform: translateY(-2px);
}


/* =========================================================
   GRID
========================================================= */

.videos {
    display: grid;

    grid-template-columns:
        repeat(
            4,
            minmax(0, 1fr)
        );

    gap: 26px 20px;
}


/* =========================================================
   TARJETAS
========================================================= */

.card {
    min-width: 0;

    overflow: hidden;

    border: 1px solid var(--border);

    border-radius: var(--radius-medium);

    background: var(--background-card);

    box-shadow: var(--shadow-small);

    transition:
        transform var(--transition),
        border-color var(--transition),
        background var(--transition),
        box-shadow var(--transition);
}

.card:hover {
    border-color:
        rgba(255, 61, 113, 0.40);

    background: var(--background-hover);

    box-shadow: var(--shadow-medium);

    transform: translateY(-7px);
}


/* Toda la tarjeta funciona como enlace */

.card-link {
    display: block;

    width: 100%;
    height: 100%;

    color: inherit;

    text-decoration: none;
}


/* =========================================================
   MINIATURAS
========================================================= */

.thumb {
    position: relative;

    overflow: hidden;

    aspect-ratio: 16 / 9;

    background: #090b0f;
}

.thumb img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition:
        transform 0.45s ease,
        filter 0.45s ease;
}

.card:hover .thumb img {
    filter: brightness(0.82);

    transform: scale(1.07);
}


/* Oscurecimiento */

.thumb::after {
    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            180deg,
            transparent 40%,
            rgba(0, 0, 0, 0.70)
        );

    content: "";

    opacity: 0.65;

    pointer-events: none;

    transition:
        opacity var(--transition);
}

.card:hover .thumb::after {
    opacity: 1;
}


/* =========================================================
   BOTÓN PLAY
========================================================= */

.thumb::before {
    position: absolute;

    z-index: 3;

    top: 50%;
    left: 50%;

    width: 52px;
    height: 52px;

    border:
        2px solid
        rgba(255, 255, 255, 0.75);

    border-radius: 50%;

    background:
        linear-gradient(
            135deg,
            rgba(255, 61, 113, 0.94),
            rgba(108, 99, 255, 0.94)
        );

    box-shadow:
        0 10px 30px
        rgba(0, 0, 0, 0.45);

    content: "▶";

    color: #ffffff;

    font-size: 18px;

    line-height: 48px;

    text-align: center;

    text-indent: 3px;

    opacity: 0;

    transform:
        translate(-50%, -45%)
        scale(0.70);

    transition:
        opacity var(--transition),
        transform var(--transition);
}

.card:hover .thumb::before {
    opacity: 1;

    transform:
        translate(-50%, -50%)
        scale(1);
}


/* =========================================================
   CALIDAD Y DURACIÓN
========================================================= */

.quality,
.time {
    position: absolute;

    z-index: 4;

    bottom: 10px;

    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-height: 26px;

    padding: 4px 8px;

    border-radius: 5px;

    color: #ffffff;

    font-size: 0.73rem;
    font-weight: 800;

    letter-spacing: 0.04em;
}

.quality {
    left: 10px;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-hover)
        );

    box-shadow:
        0 4px 12px
        rgba(255, 61, 113, 0.35);
}

.time {
    right: 10px;

    background:
        rgba(0, 0, 0, 0.82);

    backdrop-filter: blur(5px);
}


/* =========================================================
   INFORMACIÓN
========================================================= */

.info {
    padding: 16px;
}

.info h3 {
    display: -webkit-box;

    min-height: 44px;

    overflow: hidden;

    color: var(--text);

    font-size: 1rem;
    font-weight: 700;

    line-height: 1.35;

    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;

    transition:
        color var(--transition);
}

.card:hover .info h3 {
    color: var(--primary);
}

.info p {
    margin-top: 9px;

    overflow: hidden;

    color: var(--text-secondary);

    font-size: 0.84rem;

    text-overflow: ellipsis;

    white-space: nowrap;
}


/* =========================================================
   MENSAJE DE ERROR DEL FEED
========================================================= */

.feed-error {
    grid-column: 1 / -1;

    padding: 45px 20px;

    border: 1px solid var(--border);

    border-radius: var(--radius-medium);

    background: var(--background-secondary);

    color: var(--text-secondary);

    text-align: center;
}


/* =========================================================
   PAGINACIÓN
========================================================= */

.pagination {
    display: flex;

    flex-wrap: wrap;

    justify-content: center;

    gap: 9px;

    margin-top: 52px;
}

.pagination a {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-width: 42px;
    height: 42px;

    padding: 0 12px;

    border: 1px solid var(--border);

    border-radius: var(--radius-small);

    background: var(--background-secondary);

    color: var(--text-secondary);

    font-size: 0.92rem;
    font-weight: 700;

    transition:
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.pagination a:hover {
    border-color:
        rgba(255, 61, 113, 0.50);

    background:
        rgba(255, 61, 113, 0.12);

    color: #ffffff;

    transform: translateY(-2px);
}

.pagination a.active {
    border-color: transparent;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--primary-hover)
        );

    color: #ffffff;
}


/* =========================================================
   FOOTER
========================================================= */

footer {
    margin-top: 30px;

    border-top: 1px solid var(--border);

    background: #090b0f;
}

.footer-content {
    display: flex;

    align-items: center;
    justify-content: space-between;

    gap: 30px;

    width:
        min(
            100% - 40px,
            var(--container-width)
        );

    min-height: 110px;

    margin-inline: auto;

    padding: 25px 0;
}

.footer-content p,
.footer-content nav a {
    color: var(--text-secondary);

    font-size: 0.88rem;
}

.footer-content nav {
    display: flex;

    flex-wrap: wrap;

    gap: 22px;
}

.footer-content nav a {
    transition:
        color var(--transition);
}

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


/* =========================================================
   BOTÓN VOLVER ARRIBA
========================================================= */

.back-to-top {
    position: fixed;

    z-index: 1200;

    right: 22px;
    bottom: 22px;

    width: 46px;
    height: 46px;

    border-radius: 50%;

    background:
        linear-gradient(
            135deg,
            var(--primary),
            var(--secondary)
        );

    color: #ffffff;

    font-size: 22px;
    font-weight: bold;

    box-shadow:
        0 10px 28px
        rgba(0, 0, 0, 0.35);

    opacity: 0;
    visibility: hidden;

    transform: translateY(15px);

    transition:
        opacity 0.25s ease,
        transform 0.25s ease,
        visibility 0.25s ease;
}

.back-to-top.show {
    opacity: 1;

    visibility: visible;

    transform: translateY(0);
}


/* =========================================================
   ANIMACIÓN DE TARJETAS
========================================================= */

.reveal {
    opacity: 0;

    transform: translateY(20px);

    transition:
        opacity 0.50s ease,
        transform 0.50s ease;
}

.reveal.visible {
    opacity: 1;

    transform: translateY(0);
}


/* =========================================================
   RESULTADO VACÍO
========================================================= */

.no-results {
    display: none;

    grid-column: 1 / -1;

    padding: 45px 20px;

    border: 1px solid var(--border);

    border-radius: var(--radius-medium);

    background: var(--background-secondary);

    color: var(--text-secondary);

    text-align: center;
}

.no-results.show {
    display: block;
}


/* =========================================================
   ACCESIBILIDAD
========================================================= */

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline:
        3px solid
        rgba(255, 61, 113, 0.45);

    outline-offset: 3px;
}


/* =========================================================
   PANTALLAS MUY GRANDES
========================================================= */

@media (min-width: 1500px) {

    .videos {
        grid-template-columns:
            repeat(
                5,
                minmax(0, 1fr)
            );
    }

}


/* =========================================================
   LAPTOP
========================================================= */

@media (max-width: 1150px) {

    .header {
        grid-template-columns:
            auto 1fr;

        gap: 14px 24px;
    }

    .menu {
        justify-content: flex-end;
    }

    .search {
        grid-column: 1 / -1;

        width: 100%;
        max-width: 650px;

        margin-inline: auto;
    }

    .videos {
        grid-template-columns:
            repeat(
                3,
                minmax(0, 1fr)
            );
    }

}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 850px) {

    .header {
        position: relative;

        grid-template-columns: 1fr;

        justify-items: center;

        padding: 18px 20px;
    }

    .menu {
        justify-content: center;

        flex-wrap: wrap;
    }

    .search {
        grid-column: auto;
    }

    .hero {
        min-height: 230px;
    }

    .hero img {
        min-height: 230px;
    }

    .videos {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .footer-content {
        flex-direction: column;

        justify-content: center;

        text-align: center;
    }

    .footer-content nav {
        justify-content: center;
    }

}


/* =========================================================
   MÓVIL
========================================================= */

@media (max-width: 560px) {

    .container,
    .categories,
    .hero,
    .footer-content {
        width:
            min(
                100% - 24px,
                var(--container-width)
            );
    }

    .header {
        padding-inline: 12px;
    }

    .logo img {
        max-width: 145px;
        height: 40px;
    }

    .menu {
        width: 100%;

        gap: 4px;
    }

    .menu a {
        min-height: 38px;

        padding: 0 10px;

        font-size: 0.82rem;
    }

    .search {
        border-radius: var(--radius-small);
    }

    .search input {
        height: 42px;

        padding-inline: 13px;

        font-size: 0.88rem;
    }

    .search button {
        padding-inline: 14px;

        font-size: 0.86rem;
    }

    .hero {
        min-height: 190px;

        margin-top: 20px;

        border-radius: var(--radius-medium);
    }

    .hero img {
        min-height: 190px;
    }

    .categories {
        margin-top: 34px;
    }

    .category-list {
        gap: 8px;
    }

    .category-list a {
        min-height: 38px;

        padding: 7px 13px;

        font-size: 0.82rem;
    }

    .container {
        padding:
            35px 0
            55px;
    }

    .videos {
        grid-template-columns: 1fr;

        gap: 18px;
    }

    .info {
        padding: 14px;
    }

    .info h3 {
        min-height: auto;

        font-size: 0.98rem;
    }

    .pagination {
        gap: 6px;

        margin-top: 38px;
    }

    .pagination a {
        min-width: 38px;
        height: 38px;

        padding-inline: 10px;

        font-size: 0.84rem;
    }

    .footer-content {
        min-height: 130px;
    }

}


/* =========================================================
   MÓVILES PEQUEÑOS
========================================================= */

@media (max-width: 370px) {

    .menu a {
        padding-inline: 7px;

        font-size: 0.77rem;
    }

    .search button {
        padding-inline: 10px;
    }

    .category-list a {
        flex-grow: 1;
    }

}


/* =========================================================
   REDUCIR MOVIMIENTO
========================================================= */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;

        animation-duration: 0.01ms !important;

        animation-iteration-count: 1 !important;

        transition-duration: 0.01ms !important;
    }

}