/* ============================================================
   [KÜNSTLERNAME] — Alter Ego / "alte Kunst"
   Gallery Show: heller, klarer Weißraum statt Pergamentton,
   endloser minimalistischer Scroll durch gerahmte Werke,
   Pop-out-Menü statt fester Sidebar. Garamond-Serife +
   Oxblood-Akzent bleiben als ruhige "alte Kunst"-Handschrift.
   ============================================================ */

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

:root {
  --bg:          #ffffff;
  --text:        #1a1712;
  --muted:       #9b9186;
  --border:      #eae7e0;
  --hover-bg:    #f7f6f3;
  --accent:      #7a2e22;
  --img-bg:      #f1efe9;
  --font:        "EB Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --header-h:    54px;
  --gutter:      36px;
}

html { font-size: 14px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; }

/* ── Header ─────────────────────────────────────────────── */
header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 200;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; padding: 0 var(--gutter);
}
.site-title { font-size: 14px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; }
.header-right { display: flex; align-items: center; gap: 22px; }

.main-nav { display: flex; gap: 24px; }
.main-nav a { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); transition: color 0.12s; }
.main-nav a:hover, .main-nav a.active { color: var(--text); }

/* ── Language switcher ──────────────────────────────────── */
.lang-switcher { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.lang-btn {
  background: none; border: none; padding: 3px 5px;
  font-family: var(--font); font-size: 10px; letter-spacing: 0.1em;
  color: var(--muted); cursor: pointer; transition: color 0.12s;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 3px;
  line-height: 1;
}
.lang-btn .lang-flag { font-size: 12px; line-height: 1; }
.lang-btn .lang-label { font-size: 10px; }
.lang-btn:hover { color: var(--text); }
.lang-btn.active { color: var(--text); font-weight: 500; }

/* ── Hamburger / menu button ────────────────────────────── */
.menu-btn {
  position: relative;
  width: 24px; height: 16px;
  background: none; border: none; padding: 0;
}
.menu-btn span {
  position: absolute; left: 0; width: 100%; height: 1px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
}
.menu-btn span:nth-child(1) { top: 0; }
.menu-btn span:nth-child(2) { top: 50%; margin-top: -0.5px; }
.menu-btn span:nth-child(3) { bottom: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { top: 50%; margin-top: -0.5px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { top: 50%; margin-top: -0.5px; transform: rotate(-45deg); }

/* ── Pop-out menu (Filter + Navigation) ─────────────────────
   Ersetzt die frühere feste Sidebar durch ein Flyout, das
   erst auf Klick erscheint — die Show-Fläche bleibt frei.
   ─────────────────────────────────────────────────────────── */
.menu-overlay {
  position: fixed; inset: 0;
  background: rgba(20,18,14,0.35);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 340;
}
.menu-overlay.open { opacity: 1; pointer-events: all; }

.menu-flyout {
  position: fixed; top: 0; right: 0;
  height: 100vh; width: min(360px, 88vw);
  background: var(--bg);
  border-left: 1px solid var(--border);
  padding: 92px 32px 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 350;
}
.menu-flyout.open { transform: translateX(0); }

.menu-close {
  position: absolute; top: 20px; right: 24px;
  background: none; border: none;
  font-size: 26px; line-height: 1; color: var(--muted);
  transition: color 0.12s;
}
.menu-close:hover { color: var(--text); }

.menu-divider { height: 1px; background: var(--border); margin: 34px 0; }
.menu-nav-section { margin-bottom: 28px; }
.menu-copyright { font-size: 10px; color: var(--muted); letter-spacing: 0.06em; margin-top: 24px; }

/* Filter-Bausteine (im Flyout) — gleiche Klassen wie zuvor in der Sidebar */
.filter-label { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 32px; }
.filter-group { margin-bottom: 26px; }
.filter-group-title { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.filter-list { display: flex; flex-direction: column; gap: 1px; }
.tag { background: none; border: none; padding: 4px 0; font-size: 12px; text-align: left; color: var(--muted); letter-spacing: 0.01em; transition: color 0.12s; line-height: 1.5; }
.tag:hover { color: var(--text); }
.tag.active { color: var(--accent); font-weight: 600; }
.reset-btn { margin-top: 18px; background: none; border: 1px solid var(--border); padding: 6px 14px; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); transition: border-color 0.12s, color 0.12s; }
.reset-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ═══════════════════════════════════════════════════════════
   GALLERY SHOW — endloses Mosaik ("Shower"-Effekt)
   Bilder liegen nebeneinander in einem lockeren Raster, in
   zufällig wechselnden Formaten (siehe pickSize() in main.js) —
   luftig statt dicht, aber lebendig statt gleichförmig.
═══════════════════════════════════════════════════════════ */
.show { padding-top: var(--header-h); }

.show-feed {
  max-width: 1440px;
  margin: 0 auto;
  padding: 90px var(--gutter) 240px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 8px;
  grid-auto-flow: dense;
  gap: 20px;
}

.show-item {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.show-frame {
  flex: 1;
  min-height: 0;
  width: 100%;
  cursor: zoom-in;
  overflow: hidden;
  background: var(--img-bg);
  border: 1px solid var(--border);
}

.show-frame img,
.show-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.show-frame:hover img,
.show-frame:hover video { transform: scale(1.03); }

.show-caption { margin-top: 12px; flex-shrink: 0; }
.show-caption-title { font-size: 13px; font-style: italic; letter-spacing: 0.01em; color: var(--text); }
.show-caption-meta  { margin-top: 3px; font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

.show-sentinel { grid-column: 1 / -1; height: 1px; }

/* Formate: unterschiedliche Spalten-/Zeilen-Spannweiten im 12er-Raster
   — bewusst klein gehalten, damit mindestens 2 Reihen gleichzeitig
   sichtbar sind, nicht nur 1-2 Bilder pro Bildschirm. */
.sz-sm   { grid-column: span 2; grid-row: span 17; }
.sz-md   { grid-column: span 3; grid-row: span 20; }
.sz-lg   { grid-column: span 4; grid-row: span 24; }
.sz-wide { grid-column: span 5; grid-row: span 15; }
.sz-tall { grid-column: span 2; grid-row: span 27; }

@media (max-width: 900px) {
  .show-feed { grid-template-columns: repeat(6, 1fr); gap: 14px; padding-top: 70px; }
  .sz-sm, .sz-md, .sz-tall { grid-column: span 2; }
  .sz-lg, .sz-wide         { grid-column: span 3; }
  .sz-sm   { grid-row: span 15; }
  .sz-md   { grid-row: span 17; }
  .sz-lg   { grid-row: span 19; }
  .sz-wide { grid-row: span 14; }
  .sz-tall { grid-row: span 21; }
}

@media (max-width: 560px) {
  .show-feed { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .sz-sm, .sz-md, .sz-lg, .sz-wide, .sz-tall { grid-column: span 1; grid-row: span 15; }
  .show-caption-title { font-size: 12px; }
}

/* ═══════════════════════════════════════════════════════════
   LIGHTBOX
═══════════════════════════════════════════════════════════ */
.lightbox {
  position: fixed; inset: 0;
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s;
}
.lightbox.open { opacity: 1; pointer-events: all; }

.lb-backdrop {
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(4px);
}

.lb-inner {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  max-width: min(84vw, 1000px);
  width: 100%;
}

.lb-image-wrap {
  max-height: 78vh;
  display: flex; align-items: center; justify-content: center;
}
.lb-image-wrap img {
  max-width: 100%; max-height: 78vh;
  object-fit: contain; display: block;
  box-shadow: 0 8px 48px rgba(0,0,0,0.1);
}

.lb-meta { margin-top: 18px; display: flex; flex-direction: column; align-items: center; gap: 4px; }
#lb-title { font-size: 16px; font-weight: 400; font-style: italic; letter-spacing: 0.02em; }
#lb-info  { font-size: 11px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }

.lb-close {
  position: fixed; top: 22px; right: 28px;
  background: none; border: none; font-size: 30px;
  color: var(--muted); line-height: 1;
  transition: color 0.12s; z-index: 10;
}
.lb-close:hover { color: var(--text); }

.lb-prev, .lb-next {
  position: fixed; top: 50%; transform: translateY(-50%);
  background: none; border: none; font-size: 22px;
  color: var(--muted); padding: 14px 22px;
  transition: color 0.12s; z-index: 10;
}
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-prev:hover, .lb-next:hover { color: var(--text); }

.lb-counter {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-size: 11px; color: var(--muted); letter-spacing: 0.1em;
  z-index: 10;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER (weiterhin genutzt von artist/contact/impressum/datenschutz —
   die Startseite selbst hat wegen des endlosen Scrolls keinen Footer,
   die gleichen Links liegen dort im Pop-out-Menü)
═══════════════════════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px var(--gutter) 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.footer-heading {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  transition: color 0.12s;
}

.footer-links a:hover { color: var(--text); }

.footer-newsletter {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--border);
  max-width: 240px;
}

.footer-newsletter input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font);
  font-size: 12px;
  color: var(--text);
  background: transparent;
  padding: 8px 0;
  letter-spacing: 0.02em;
}

.footer-newsletter input::placeholder { color: var(--muted); }

.footer-newsletter button {
  background: none;
  border: none;
  font-size: 16px;
  color: var(--muted);
  padding: 8px 0 8px 10px;
  transition: color 0.12s;
}

.footer-newsletter button:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  transition: color 0.12s;
}

.footer-legal a:hover { color: var(--text); }

/* ═══════════════════════════════════════════════════════════
   SUB-PAGES  (artist, contact, impressum, datenschutz)
═══════════════════════════════════════════════════════════ */
.page-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 64px) var(--gutter) 80px;
}

.page-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.page-title {
  font-size: 26px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.02em;
  margin-bottom: 48px;
  line-height: 1.2;
}

.page-section {
  margin-bottom: 40px;
}

.page-section-title {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.page-section p,
.page-section address {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text);
  font-style: normal;
}

.page-section a {
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.12s;
}

.page-section a:hover { border-color: var(--text); }

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-row {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.form-row:first-child { border-top: 1px solid var(--border); }

.form-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.form-row input,
.form-row textarea {
  border: none;
  outline: none;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background: transparent;
  resize: none;
  letter-spacing: 0.01em;
  line-height: 1.5;
}

.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--muted); }

.form-row textarea { min-height: 120px; }

.form-submit {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 32px;
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.15s;
}

.submit-btn:hover { opacity: 0.75; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 860px) {
  :root { --gutter: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --gutter: 14px; }
  .show-feed { gap: 90px; padding-top: 70px; }
  .lb-prev { left: 4px; } .lb-next { right: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}