/*
 * GOGO NOGO
 * Eigen CSS zonder framework. Volgorde: basis, layout, componenten, hulpklassen.
 */

@font-face {
    font-family: 'Ultra';
    src: url('../fonts/ultra-latin-400.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    --color-background: #c000ff;
    --color-text: #fff;
    --color-text-muted: rgb(255 255 255 / 0.8);
    --color-line: rgb(255 255 255 / 0.6);
    --color-tag-border: rgb(255 255 255 / 0.4);
    --color-ink: #000;

    --font-display: 'Ultra', 'Rockwell Extra Bold', 'Rockwell', Georgia, serif;
    --font-text: 'Roboto', system-ui, -apple-system, 'Segoe UI', sans-serif;

    --page-gutter: clamp(1rem, 3vw, 3rem);
    --page-width: 100rem;
    --text-width: 46rem;
}

/* Basis */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-background);
    color: var(--color-text);
    font: 400 1rem/1.5 var(--font-text);
}

img,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
}

a:hover {
    text-decoration-thickness: 2px;
}

:focus-visible {
    outline: 3px solid var(--color-text);
    outline-offset: 3px;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.1;
    text-transform: uppercase;
}

/* Header */

.site-header {
    position: relative;
    padding: 1.5rem var(--page-gutter) 0;
    text-align: center;
}

.logo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
}

.logo__name {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 3.25rem);
    line-height: 0.85;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.logo__name span {
    display: block;
}

.logo__tagline {
    max-width: 11rem;
    margin-top: 0.35rem;
    font-size: 0.625rem;
    font-weight: 700;
    line-height: 1.15;
}

.site-header__instagram {
    position: absolute;
    top: 2.25rem;
    left: var(--page-gutter);
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
}

/* Hamburger voor filters en zoeken op smalle schermen, gespiegeld aan het Instagram-icoon. */
.menu-toggle {
    display: none;
    position: absolute;
    top: 2.25rem;
    right: var(--page-gutter);
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
}

.menu-toggle__close,
.menu-toggle[aria-expanded='true'] .menu-toggle__bars {
    display: none;
}

.menu-toggle[aria-expanded='true'] .menu-toggle__close {
    display: inline;
}

.menu-toggle__count {
    position: absolute;
    top: 0.1rem;
    right: 0.1rem;
    min-width: 1.15rem;
    height: 1.15rem;
    padding: 0 0.3rem;
    border-radius: 999px;
    background: var(--color-text);
    color: var(--color-background);
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.15rem;
}

@media (max-width: 48rem) {
    .js .menu-toggle {
        display: grid;
    }

    .js .menu-toggle[aria-expanded='false'] ~ .menu {
        display: none;
    }
}

.categories {
    display: grid;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.categories ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

/* Elke keuze is een tag met een kader; een gekozen tag is vol wit met paarse tekst. */
.categories a,
.categories__empty {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    border: 1px solid var(--color-tag-border);
    border-radius: 999px;
    font-size: 0.8125rem;
    line-height: 1.2;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

/* Snijdt de ruimte boven de hoofdletterhoogte en onder de basislijn weg, zodat de tekst optisch
   in het midden staat. De padding compenseert de weggesneden ruimte. */
@supports (text-box: trim-both cap alphabetic) {
    .categories a,
    .categories__empty {
        padding-block: 0.5rem;
        text-box: trim-both cap alphabetic;
    }
}

.categories a:hover {
    border-color: var(--color-text);
    background: rgb(255 255 255 / 0.15);
}

.categories a[aria-current='true'] {
    border-color: var(--color-text);
    background: var(--color-text);
    color: var(--color-background);
}

.categories__empty {
    opacity: 0.35;
    cursor: default;
}

/* Zoeken, paginatitel en aantal resultaten */

.search {
    margin-top: 1.5rem;
}

.search__input {
    width: min(100%, 20rem);
    padding: 0.45rem 1rem 0.45rem 2.3rem;
    border: 1px solid var(--color-text);
    border-radius: 999px;
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Ccircle cx='10' cy='10' r='6.5'/%3E%3Cpath d='m15 15 6 6'/%3E%3C/svg%3E") no-repeat 0.95rem center / 0.85rem;
    color: var(--color-text);
    font: inherit;
    /* Niet kleiner dan 16px, anders zoomt iOS in bij focus. */
    font-size: 1rem;
    appearance: none;
}

/* Met een muis mag de tekst kleiner, dan past de balk bij de tags. */
@media (pointer: fine) {
    .search__input {
        width: min(100%, 18rem);
        padding: 0.35rem 1rem 0.35rem 2.1rem;
        background-position: 0.85rem center;
        background-size: 0.8rem;
        font-size: 0.875rem;
    }
}

.search__input::placeholder {
    color: var(--color-text-muted);
}

.page-title {
    padding: 3.5rem var(--page-gutter) 0;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    text-align: center;
}

.results {
    margin: 1rem 0 0;
    padding: 0 var(--page-gutter);
    font-size: 0.875rem;
    text-align: center;
}

/* Overzicht van posts */

.posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
    gap: 3rem 2rem;
    max-width: var(--page-width);
    margin: 3.5rem auto 0;
    padding: 0 var(--page-gutter);
    list-style: none;
}

.posts > li {
    /* Kaarten buiten beeld worden pas opgebouwd als je ernaartoe scrolt. */
    content-visibility: auto;
    contain-intrinsic-size: auto 32rem;
}

.post-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    text-align: center;
}

.post-card__image {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    margin-bottom: 1.75rem;
    overflow: hidden;
    background: rgb(0 0 0 / 0.15);
}

.post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card__image:hover img {
    transform: scale(1.03);
}

.post-card__title {
    margin-top: 1.25rem;
    font-size: 1.25rem;
}

.post-card__excerpt {
    margin: 1rem 0 0;
    font-size: 0.875rem;
}

.post-card__more {
    margin-top: 0.5rem;
    font-size: 0.6875rem;
}

.meta {
    margin: 0;
    font-size: 0.6875rem;
    color: var(--color-text-muted);
}

.meta a {
    text-decoration: none;
}

.meta a:hover {
    text-decoration: underline;
}

.empty {
    padding: 2rem var(--page-gutter);
    text-align: center;
}

/* Detailpagina */

.post {
    max-width: var(--text-width);
    margin: 0 auto;
    padding: 4rem var(--page-gutter) 0;
}

.post__header {
    text-align: center;
}

.post__title {
    margin-top: 0.75rem;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
}

.post__media {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min(85%, 28rem);
    gap: 1rem;
    margin: 2.5rem calc(var(--page-gutter) * -1) 0;
    padding: 0 var(--page-gutter) 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-color: var(--color-text) transparent;
}

.post__media:has(> :only-child) {
    grid-auto-columns: min(100%, 28rem);
    justify-content: center;
}

.post__figure {
    margin: 0;
    scroll-snap-align: center;
}

.post__figure img,
.post__figure video {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    background: var(--color-ink);
}

.post__body {
    margin-top: 2rem;
    font-size: 1.125rem;
    line-height: 1.6;
}

.post__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2.5rem;
    font-weight: 700;
}

/* Footer */

.site-footer {
    margin-top: 6rem;
    padding: 2rem var(--page-gutter);
    border-top: 1px solid var(--color-line);
    font-size: 0.75rem;
    text-align: center;
}

.site-footer p {
    margin: 0;
}

/* Hulpklassen */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    top: -10rem;
    left: 1rem;
    z-index: 10;
    padding: 0.5rem 1rem;
    background: var(--color-text);
    color: var(--color-background);
}

.skip-link:focus {
    top: 1rem;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .post-card__image img,
    .categories a {
        transition: none;
    }
}