:root {
    --bg: #f0f0f0;
    --text: #111111;
    --muted: #6b7280;
    --soft: #f5f5f5;
    --border: #e5e7eb;
    --maxw: 1280px;
}

ul {
    padding-inline-start: 0px;
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5
}

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

.container {
    width: min(var(--maxw), 92%);
    margin-inline: auto
}

.display {
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.05
}

h1, h2, h3 {
    margin: .2em 0 .3em
}

h3 {
    font-size: 1.4rem
}

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

.screen {
    min-height: 100svh;
    position: relative;
    display: flex;
    align-items: center;
    isolation: isolate
}

.bg {
    position: absolute;
    inset: 0;
    background: no-repeat center/cover;
    z-index: -1;
    opacity: 1;
}

    .bg::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(0,0,0,.35), rgba(0,0,0,0) 30%);
    }

.bg {
    background-image: var(--bg)
}

.faint {
    opacity: .12
}
/* Scroll snap (opcional) */
html, body {
    scroll-snap-type: y proximity
}

.screen {
    scroll-snap-align: start
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(160%) blur(10px);
    background: rgba(78 173 252 / 60%);
    border-bottom: 1px solid var(--border)
}

.hdr {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .75rem 0
}

.brand {
    width: 15rem;
}

    .brand span {
        border: 2px solid var(--text);
        padding: 0 .25rem;
        margin: 0 .25rem 0 .15rem
    }

.nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1rem
}

    .nav a {
        font-size: .9rem;
        letter-spacing: .08em;
        text-transform: uppercase;
        opacity: .9
    }

.lang {
    border: 1px solid var(--border);
    padding: .25rem .6rem;
    border-radius: 999px
}

/* S1 hero */
.hero .hero-inner {
    padding-block: 8vh
}

.hero-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-weight: 800;
    color: #fff;
    font-size: clamp(1.6rem, 3.4vw, 3rem)
}

.hero .scroll-tip {
    position: absolute;
    left: 1.25rem;
    bottom: 1.25rem;
    color: #fff;
    font-weight: 700
}

/* S2 programas intro */
.programas-intro .cols-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start
}

.programas-intro .display {
    font-size: clamp(2.4rem, 6vw, 6rem)
}

.programas-intro .lede {
    font-size: clamp(1rem, 1.6vw, 1.3rem);
    color: var(--text);
    font-weight: 700
}

.programas-intro .text-cols {
    columns: 1;
    column-gap: 2rem;
    color: var(--muted)
}

@media (min-width: 900px) {
    .programas-intro .cols-2 {
        grid-template-columns: 1.1fr 1.2fr
    }

    .programas-intro .text-cols {
        columns: 2
    }
}

/* Cards grids (S3, S4) */
.cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-block: 6vh
}

.card {
    display: flex;
    flex-direction: column;
    gap: .6rem
}

    .card .media {
        aspect-ratio: 4/5;
        background: var(--soft);
        overflow: hidden
    }

        .card .media img {
            width: 100%;
            height: 100%;
            object-fit: cover
        }

    .card h3 {
        font-size: clamp(1.1rem, 1.8vw, 1.5rem);
        margin-top: .4rem
    }

    .card .meta {
        font-size: .85rem;
        letter-spacing: .08em;
        text-transform: uppercase;
        color: var(--muted);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        padding: .6rem 0;
    }

    .card .desc {
        color: #3f3f46
    }

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    padding-top: .5rem;
    border-top: 1px solid var(--border);
    margin-top: .5rem
}

    .chips li {
        list-style: none;
        font-size: .9rem;
        color: #555
    }

@media (min-width: 900px) {
    .cards {
        grid-template-columns: repeat(4, 1fr)
    }

    .card .media {
        aspect-ratio: 3/4
    }
}

/* S5 Escuela */
.escuela .escuela-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem
}

.escuela .display {
    font-size: clamp(2.2rem, 6vw, 6rem)
}

.escuela .right > p {
    color: #404040;
    max-width: 60ch
}

.gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem
}

    .gallery figure {
        margin: 0;
        border: 1px solid var(--border);
        background: var(--soft);
        overflow: hidden;
        border-radius: 12px
    }

    .gallery img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 4/3
    }

@media (min-width: 1000px) {
    .escuela .escuela-layout {
        grid-template-columns: 1fr 1.4fr
    }

    .gallery {
        grid-template-columns: repeat(4, 1fr)
    }
}

/* S6 Contacto */
.contacto .display {
    font-size: clamp(2.2rem, 6vw, 6rem)
}

.contacto .contacto-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem
}

.contacto .lead-strong {
    font-size: clamp(1.1rem, 2.2vw, 1.5rem);
    margin: 0 0 1rem;
    font-weight: 700
}

.rows {
    display: grid;
    gap: .75rem;
    border-top: 1px solid var(--border)
}

.row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1rem;
    padding: .75rem 0;
    border-bottom: 1px solid var(--border)
}

.k {
    font-size: .85rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--muted)
}

.v {
    color: #333
}

.site-footer {
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem
}

.brandline {
    font-weight: 700
}

.legal {
    color: var(--muted);
    font-size: .9rem
}

@media (min-width: 900px) {
    .contacto .contacto-layout {
        grid-template-columns: 1fr 1.6fr
    }
}





/* Cada card usa esas mismas filas */
.card {
    display: grid;
    grid-row: span 5;
    grid-template-rows: subgrid; /* <-- magia */
}

    /* Asegura que cada pieza cae en su fila */
    .card .media {
        grid-row: 1
    }

    .card h3 {
        grid-row: 2
    }

    .card .meta {
        grid-row: 3
    }

    .card .desc {
        grid-row: 4
    }

    .card .chips {
        grid-row: 5
    }

/* Tu contenedor existente */
    .card .media {
        position: relative;
        overflow: hidden;
        /* define la relación del contenedor (desktop por defecto) */
        --ratio-w: 3; /* ancho */
        --ratio-h: 4; /* alto  -> 3/4 */
        aspect-ratio: calc(var(--ratio-w) / var(--ratio-h));
    }
        .card .media.video iframe {
            position: absolute;
            top: 0;
            left: 50%;
            height: 100%;
            /* ancho = width_cont * (alto/ancho del contenedor) * (16/9)
     (16/9 = 1.7777777778) -> centra y recorta lados para lograr formato vertical */
            width: calc(100% * (var(--ratio-h) / var(--ratio-w)) * 1.7777777778);
            transform: translateX(-50%);
            border: 0;
            display: block;
        }


.cta-button {
    display: inline-block;
    background-color: #000;
    color: #fff;
    padding: 12px 28px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.3s, transform 0.2s;
}

    .cta-button:hover {
        background-color: #333;
        transform: translateY(-2px);
    }

.nav .nav-link-button {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
    text-decoration: none;
}

    .nav .nav-link-button:hover {
        text-decoration: underline;
    }


.fade-in-list li {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

/* Estilos finales cuando la lista es visible */
.fade-in-list.is-visible li {
    opacity: 1;
    transform: translateY(0);
}


/* Estilo de los enlaces de navegación */
.nav-link {
    font-family: inherit;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--link-color, #000);
    text-decoration: none;
    cursor: pointer;
    margin-left: 1rem;
}
/* Quitar estilo de botón al logout */
button.nav-link {
    background: none;
    border: none;
}



.btn-custom {
    display: inline-block;
    padding: 6px 12px;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: #fff;
    transition: 0.35s ease;
}

    .btn-custom:hover {
        opacity: 0.5;
        color: #fff;
    }

/* variantes de color */
.custom-black {
    background-color: #000;
}

.custom-darkblue {
    background-color: #331b82;
    color: #cabaff;
}

.custom-purple {
    background-color: #78069e;
    color: #f2ccff;
}