/* Ralf Silberkuhl – Fotografie. Schwarz, Weiß, ein Grau. */

@font-face { font-family: "Inter"; src: url("../fonts/inter-var.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("../fonts/cormorant-300-normal.woff2") format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("../fonts/cormorant-300-italic.woff2") format("woff2"); font-weight: 300; font-style: italic; font-display: swap; }
@font-face { font-family: "Cormorant"; src: url("../fonts/cormorant-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }

:root {
    --paper: #ffffff;
    --ink: #0b0b0b;
    --muted: #7a7a7a;
    --line: rgba(11, 11, 11, .12);
    --gutter: clamp(1.25rem, 4vw, 3.5rem);
    --header: 4.5rem;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --serif: "Cormorant", "Cormorant Garamond", Georgia, serif;
    --ease: cubic-bezier(.2, .7, .2, 1);
}

.is-dark {
    --paper: #0b0b0b;
    --ink: #f2f2f2;
    --muted: #8c8c8c;
    --line: rgba(242, 242, 242, .14);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 400 1rem/1.6 var(--sans);
    letter-spacing: .005em;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main { flex: 1; }
img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 1rem; z-index: 100; background: var(--ink); color: var(--paper); padding: .5rem 1rem; }
:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

/* Typografie */
.display {
    font: 300 clamp(2.5rem, 7vw, 6.5rem)/1 var(--serif);
    letter-spacing: -.015em;
    margin: 0 0 .35em;
}
.title-lg { display: block; font: 300 clamp(1.75rem, 4vw, 3.25rem)/1.1 var(--serif); }
.eyebrow, .meta, .site-nav a, .brand, .more, .pager a {
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
}
.eyebrow { color: var(--muted); margin: 0 0 1.25rem; font-weight: 400; }
.eyebrow a:hover { color: var(--ink); }
.meta { color: var(--muted); display: block; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); line-height: 1.55; max-width: 38rem; margin: 0 0 1.5rem; }
.more { border-bottom: 1px solid currentColor; padding-bottom: .15rem; }
.empty { color: var(--muted); padding: 0 var(--gutter); }

.prose { max-width: 40rem; }
.prose p { margin: 0 0 1.1em; }
.prose h2, .prose h3 { font: 300 1.9rem/1.2 var(--serif); margin: 2em 0 .6em; }
.prose a { border-bottom: 1px solid var(--line); }
.prose a:hover { border-color: currentColor; }
.prose blockquote { font: italic 300 1.6rem/1.35 var(--serif); margin: 2em 0; padding: 0; }

/* Kopf und Navigation */
.site-header {
    position: sticky; top: 0; z-index: 20;
    height: var(--header);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 var(--gutter);
}
/* Unschärfe auf einer eigenen Ebene: backdrop-filter direkt am Kopf würde das
   mobile Menü (position: fixed) auf die Höhe des Kopfs einsperren. */
.site-header::before {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.brand { font-weight: 500; letter-spacing: .28em; }
.site-nav { display: flex; gap: clamp(1.25rem, 2.5vw, 2.5rem); }
.site-nav a { color: var(--muted); transition: color .3s; }
.site-nav a:hover, .site-nav a.is-active { color: var(--ink); }
.menu-toggle { display: none; width: 2rem; height: 2rem; position: relative; }
.menu-toggle span:not(.sr-only) { position: absolute; left: 4px; right: 4px; height: 1px; background: currentColor; transition: transform .3s var(--ease); }
.menu-toggle span:nth-of-type(2) { top: 12px; }
.menu-toggle span:nth-of-type(3) { top: 19px; }
.menu-open .menu-toggle span:nth-of-type(2) { transform: translateY(3.5px) rotate(45deg); }
.menu-open .menu-toggle span:nth-of-type(3) { transform: translateY(-3.5px) rotate(-45deg); }

@media (max-width: 760px) {
    .menu-toggle { display: block; z-index: 30; }
    .brand { position: relative; z-index: 30; }
    .menu-open { overflow: hidden; }
    .site-nav {
        position: fixed; inset: 0; z-index: 25;
        flex-direction: column; justify-content: center; align-items: flex-start;
        gap: 1.25rem; padding: calc(var(--header) + 1rem) var(--gutter) var(--gutter);
        overflow-y: auto;
        background: var(--paper);
        opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s;
    }
    .site-nav a { font: 300 2.5rem/1.1 var(--serif); letter-spacing: 0; text-transform: none; color: var(--ink); }
    .menu-open .site-nav { opacity: 1; visibility: visible; }
}

/* Startseite */
.hero {
    position: relative;
    height: calc(100svh - var(--header));
    min-height: 26rem;
    margin: 0 var(--gutter);
    overflow: hidden;
    background: #000;
}
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.8s var(--ease); }
.hero-slide.is-active { opacity: 1; }
.hero-slide picture, .tile-image picture, .card-image picture { height: 100%; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-text {
    position: absolute; left: clamp(1.25rem, 3vw, 2.5rem); bottom: clamp(1.25rem, 3vw, 2.5rem);
    color: #fff; text-shadow: 0 0 40px rgba(0, 0, 0, .35);
}
.hero-text .display { margin: 0 0 .25em; }
.hero-text .eyebrow { color: rgba(255, 255, 255, .8); margin: 0; }

.band { padding: clamp(4rem, 10vw, 8rem) var(--gutter); border-bottom: 1px solid var(--line); }
.band-link { display: inline-block; transition: opacity .3s; }
.band-link:hover { opacity: .65; }
.band-link .meta { margin-top: 1rem; }

/* Abschnitte, Raster, Karten */
.page-head { padding: clamp(3rem, 8vw, 7rem) var(--gutter) clamp(2rem, 5vw, 4rem); }
.section { padding: clamp(3rem, 7vw, 6rem) var(--gutter); }
.section-head { display: flex; justify-content: space-between; align-items: baseline; }

.grid {
    display: grid; gap: clamp(2rem, 4vw, 4rem) var(--gutter);
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 26rem), 1fr));
    padding: 0 var(--gutter) clamp(4rem, 8vw, 7rem);
}
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr)); padding: 0; }
.tile, .card { display: block; }
.tile-image, .card-image { overflow: hidden; background: var(--line); aspect-ratio: 4 / 3; margin-bottom: 1rem; }
.card-image { aspect-ratio: 3 / 2; }
.tile-image img, .card-image img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.15); transition: transform 1.2s var(--ease), filter .6s; }
.tile:hover img, .card:hover img { transform: scale(1.025); filter: none; }
.tile-title, .card-title { display: block; font: 300 1.65rem/1.2 var(--serif); margin: .2rem 0; }
.card .meta { margin-bottom: .35rem; }
.cards {
    display: grid; gap: clamp(2rem, 4vw, 3.5rem) var(--gutter);
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
    padding: 0 var(--gutter) clamp(3rem, 6vw, 5rem);
}
.section .cards { padding: 2rem 0 0; }

/* Galerie */
.gallery { display: flex; flex-direction: column; align-items: center; gap: clamp(3rem, 9vw, 9rem); padding: 0 var(--gutter) clamp(4rem, 8vw, 7rem); }
.gallery-item { margin: 0; width: min(100%, 78rem); display: flex; flex-direction: column; align-items: center; }
.gallery-item a { display: block; max-width: 100%; }
.gallery-item.is-portrait { width: min(100%, 44rem); }
.gallery-item img { width: auto; max-width: 100%; max-height: calc(100svh - var(--header) - 4rem); cursor: zoom-in; }
.gallery-item figcaption { align-self: stretch; text-align: center; margin-top: .9rem; font-size: .85rem; color: var(--muted); }
.gallery-item figcaption strong { color: var(--ink); font-weight: 500; margin-right: .5rem; }

/* Fremdes Copyright, rechts unter dem Bild */
.credit { display: block; align-self: stretch; text-align: right; margin-top: .5rem; font-size: .7rem; letter-spacing: .04em; color: var(--muted); }
.gallery-item .credit + figcaption { margin-top: .35rem; }
.hero-credit { position: absolute; right: clamp(1.25rem, 3vw, 2.5rem); bottom: clamp(1.25rem, 3vw, 2.5rem); margin: 0; color: rgba(255, 255, 255, .75); text-shadow: 0 0 20px rgba(0, 0, 0, .4); }
@media (max-width: 760px) { .hero-credit { top: 1rem; bottom: auto; } }

/* Listen */
.list { list-style: none; margin: 1rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.list-row {
    display: grid; grid-template-columns: 14rem 1fr auto; gap: 1.5rem; align-items: baseline;
    padding: 1.5rem 0; border-bottom: 1px solid var(--line); transition: padding .4s var(--ease);
}
.list-row:hover { padding-left: .75rem; }
.list-date { font-size: .9rem; color: var(--muted); }
.list-title { font: 300 1.75rem/1.2 var(--serif); }
@media (max-width: 760px) { .list-row { grid-template-columns: 1fr; gap: .25rem; } }

/* Feste Seiten */
.page { padding: clamp(3rem, 8vw, 7rem) var(--gutter); max-width: 90rem; }
.page-with-image { display: grid; gap: var(--gutter); grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: start; }
.page-image { position: sticky; top: calc(var(--header) + 1rem); }
.page-image img { filter: grayscale(1); }
@media (max-width: 900px) { .page-with-image { grid-template-columns: 1fr; } .page-image { position: static; } }
.contact { display: grid; grid-template-columns: max-content 1fr; gap: .5rem 2rem; margin-top: 2.5rem; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; }

.pager { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem var(--gutter) 5rem; }
.pager a { color: var(--muted); }
.pager a:hover { color: var(--ink); }

.site-footer {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
    padding: 2.5rem var(--gutter); font-size: .78rem; color: var(--muted);
    border-top: 1px solid var(--line);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a:hover { color: var(--ink); }

/* Lightbox */
.lightbox {
    position: fixed; inset: 0; z-index: 50; background: #050505; color: #f2f2f2;
    display: grid; grid-template-columns: 4rem 1fr 4rem; align-items: center;
    opacity: 0; transition: opacity .35s var(--ease);
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }
.lightbox figure { margin: 0; height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3rem 0; }
.lightbox img { max-height: calc(100svh - 7rem); width: auto; object-fit: contain; }
.lightbox figcaption small { display: block; margin-top: .3rem; font-size: .7rem; }
.lightbox figcaption { margin-top: 1rem; font-size: .8rem; color: #8c8c8c; min-height: 1.2em; }
.lightbox button { font: 200 2.5rem/1 var(--sans); opacity: .55; transition: opacity .2s; height: 100%; }
.lightbox button:hover { opacity: 1; }
.lightbox-close { position: absolute; top: 1rem; right: 1.25rem; height: auto !important; font-size: 2rem !important; }
@media (max-width: 760px) { .lightbox { grid-template-columns: 2.5rem 1fr 2.5rem; } }

/* Weiche Einblendung beim Scrollen */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
    .js [data-reveal] { opacity: 1; transform: none; }
}