:root {
    --fuente-h1-cel: 1.2rem;
    --fuente-h1-web: 2rem;
    --fuente-h2-cel: 3rem;
    --fuente-h2-web: 4.5rem;
    --fuente-h3-cel: 3rem;
    --fuente-h3-web: 3rem;
    --fuente-h4-cel: 1.6rem;
    --fuente-h4-web: 2.2rem;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    min-height: 100vh;
    margin: 0;
    background: radial-gradient(ellipse at center, #46464a 0%, #050505 100%);
    font-size: 16px;
}

h1, h2, h3, h4, p, a {
    color: #fff;
}

p, a {
    font-family: AvenirNext, Arial, Helvetica, sans-serif;
}

a {
    text-decoration: none;
}

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

.seleccion-fotos {
    width: 95%;
    margin: 0 auto 4rem;
}

.encabezado-fotos {
    max-width: 90rem;
    margin: 0 auto 3rem;
    text-align: center;
}

.encabezado-fotos h2,
.seleccion-fotos h3 {
    font-family: 'Teko', sans-serif;
    letter-spacing: .1rem;
}

.encabezado-fotos h2 {
    margin: 4rem 0 1rem;
    font-size: var(--fuente-h2-cel);
    text-transform: uppercase;
}

.encabezado-fotos p {
    margin: 0;
    font-size: 1.5rem;
    line-height: 1.6;
}

.seleccion-fotos h3 {
    margin: 4rem 0 1.5rem;
    font-size: var(--fuente-h3-cel);
    text-transform: capitalize;
}

.galerias {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 2rem;
}

.acceso-foto {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: center;
    padding: 1.2rem;
    border: .1rem solid rgba(255,255,255,.15);
    border-radius: 1rem;
    background: rgba(0,0,0,.22);
    text-align: center;
    transition: transform .25s ease, background .25s ease, border-color .25s ease;
}

.acceso-foto:hover {
    transform: translateY(-.3rem);
    border-color: rgba(255,255,255,.38);
    background: rgba(0,0,0,.34);
}

.acceso-foto h4 {
    min-height: 4rem;
    margin: .5rem auto 1rem;
    font-family: 'Roboto', sans-serif;
    font-size: var(--fuente-h4-cel);
    line-height: 1.25;
    text-transform: capitalize;
}

.acceso-foto > a:first-of-type {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: .7rem;
    background: #111;
}

.acceso-foto img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
}

.acceso-foto:hover img {
    transform: scale(1.035);
}

.boton-ver-fotos {
    display: inline-flex;
    justify-content: center;
    margin-top: 1.2rem;
    padding: .8rem 1.5rem;
    border: .1rem solid #000;
    border-radius: 2rem;
    background-image: linear-gradient(30deg, #1e1e20, #697e81);
    font-size: 1.3rem;
    text-transform: uppercase;
}

.boton-ver-fotos:hover,
.boton-ver-fotos:focus-visible {
    background-size: 200% auto;
    outline: .2rem solid rgba(255,255,255,.7);
    outline-offset: .2rem;
}

@media (min-width: 720px) {
    .seleccion-fotos {
        width: min(95%, 121rem);
    }

    .encabezado-fotos h2 {
        font-size: var(--fuente-h2-web);
    }

    .encabezado-fotos p {
        font-size: 1.8rem;
    }

    .galerias {
        grid-template-columns: repeat(4, minmax(0, 23rem));
        justify-content: flex-start;
    }

    .acceso-foto h4 {
        font-size: var(--fuente-h4-web);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}