/* ============================================================
   Erich Gruber — Entwurf C: Schweizer Stille
   Typografie als Bauteil. Eine Tafel pro Bildschirm.
   Große Jahreszahlen, nummerierte Kapitel.
   Schrift: Ubuntu.
   ============================================================ */


/* ---------- Schriften ---------- */

@font-face { font-family: 'Ubuntu'; src: url('fonts/Ubuntu-Light.ttf')        format('truetype'); font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: 'Ubuntu'; src: url('fonts/Ubuntu-LightItalic.ttf')  format('truetype'); font-weight: 300; font-style: italic; font-display: swap; }
@font-face { font-family: 'Ubuntu'; src: url('fonts/Ubuntu-Regular.ttf')      format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Ubuntu'; src: url('fonts/Ubuntu-Medium.ttf')       format('truetype'); font-weight: 500; font-style: normal; font-display: swap; }


/* ---------- Variablen ---------- */

:root {
  --bg:          #ffffff;
  --ink:         #1a1a1a;
  --ink-muted:   #5a5a5a;
  --ink-soft:    #9a9a9a;
  --line:        #e6e6e6;
  --line-strong: #1a1a1a;
  --year-mark:   #ededed;

  --gutter:      clamp(1.5rem, 5vw, 5rem);
  --max-page:    1280px;
}


/* ---------- Reset ---------- */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Ubuntu', system-ui, sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 150ms linear, color 150ms linear;
}
a:hover { border-bottom-color: currentColor; }

h1, h2, h3, p, ol, ul, dl, dt, dd, figure, address { margin: 0; padding: 0; }
ul, ol { list-style: none; }
address { font-style: normal; }


/* ---------- Versions-Auswahl ---------- */

.version-switcher {
  position: fixed;
  top: 1rem; right: 1rem;
  z-index: 100;
  display: flex; align-items: baseline; gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  background: #ffffff;
  border: 1px solid #d4d4d4;
  font-family: 'Ubuntu', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.version-switcher__label { color: #999; font-size: 0.7rem; margin-right: 0.2rem; }
.version-switcher a {
  color: #999; text-decoration: none;
  padding: 0.1rem 0.35rem; border: none;
  transition: color 120ms linear, background 120ms linear;
}
.version-switcher a:hover { color: #1a1a1a; background: #f0f0f0; }
.version-switcher a.is-active { color: #1a1a1a; background: #ebebeb; }


/* ---------- Site-Header ---------- */

.site-header {
  padding: 1.75rem var(--gutter) 0;
}

.wordmark {
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: none;
}


/* ---------- Banner (Titelblatt) ---------- */

.banner {
  min-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(3rem, 8vh, 6rem) var(--gutter) clamp(2rem, 5vh, 4rem);
}

.banner__inner {
  max-width: var(--max-page);
  margin: 0 auto;
  width: 100%;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 2vh;
}

.banner__name {
  font-size: clamp(4.5rem, 14vw, 14rem);
  font-weight: 300;
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
}
.banner__name span {
  display: block;
}

.banner__sub {
  margin-top: clamp(1.5rem, 3vh, 2.5rem);
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  font-style: italic;
  font-weight: 300;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}
.banner__sub span {
  display: inline-block;
  margin-right: 0.3rem;
}

.chapters {
  margin-top: clamp(3rem, 8vh, 6rem);
  border-top: 1px solid var(--line-strong);
}
.chapters a {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: baseline;
  padding: clamp(1rem, 2vh, 1.5rem) 0;
  border-bottom: 1px solid var(--line);
  border-top: none;
  font-size: 1rem;
  transition: padding-left 200ms ease;
}
.chapters a:hover {
  padding-left: 0.5rem;
  border-bottom-color: var(--line-strong);
}

.chapter__no {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.chapter__title {
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  font-weight: 300;
  color: var(--ink);
}
.chapter__sub {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  text-align: right;
}

@media (max-width: 640px) {
  .chapter__sub { display: none; }
  .chapters a { grid-template-columns: 2.5rem 1fr; }
}


/* ---------- Chapter Head (zwischen Sektionen) ---------- */

.chapter-head {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: baseline;
  gap: clamp(1.5rem, 3vw, 3rem);
  max-width: var(--max-page);
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) var(--gutter) clamp(3rem, 6vh, 5rem);
  border-bottom: 1px solid var(--line-strong);
}

.chapter-head__no {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.chapter-head__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.chapter-head__count {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}


/* ---------- Plates (Werke) ---------- */

.werke {
  /* container */
}

.plate {
  min-height: 84vh;
  display: grid;
  grid-template-columns: minmax(12rem, 1.4fr) minmax(0, 3fr) minmax(8rem, 1.4fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  padding: clamp(4rem, 8vh, 7rem) var(--gutter);
  max-width: var(--max-page);
  margin: 0 auto;
}

.plate + .plate {
  border-top: 1px solid var(--line);
}

.plate__meta {
  display: grid;
  gap: 0.35rem;
  align-content: center;
}

.plate__count {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  margin-bottom: 0.75rem;
}

.plate__title {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.005em;
}

.plate__detail {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-top: 0.1rem;
}
.plate__detail:first-of-type { margin-top: 0.8rem; }

.plate__image {
  align-self: center;
  justify-self: center;
}
.plate__image img {
  width: 100%;
  height: auto;
  max-height: 75vh;
  object-fit: contain;
  display: block;
}

.plate__year {
  font-size: clamp(4rem, 11vw, 11rem);
  font-weight: 300;
  line-height: 0.85;
  color: var(--year-mark);
  letter-spacing: -0.04em;
  justify-self: end;
  align-self: end;
  text-align: right;
}

@media (max-width: 880px) {
  .plate {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    min-height: 0;
  }
  .plate__year {
    font-size: 4rem;
    justify-self: start;
    align-self: start;
    order: 3;
    color: var(--ink-soft);
  }
}


/* ---------- Biografie ---------- */

.biografie {
  padding-bottom: clamp(4rem, 8vh, 6rem);
}

.bio-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  max-width: var(--max-page);
  margin: 0 auto;
  padding: clamp(3rem, 6vh, 5rem) var(--gutter) 0;
  align-items: start;
}

.bio-text {
  font-size: 1.05rem;
  line-height: 1.7;
}

.bio-lead {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 300;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 2rem;
  letter-spacing: -0.005em;
}
.bio-lead em {
  font-style: italic;
  font-weight: 300;
  color: var(--ink-muted);
}

.bio-text p + p { margin-top: 1.2rem; }
.bio-text p:not(.bio-lead) { color: var(--ink-muted); font-size: 0.98rem; }

.chronik {
  display: grid;
  grid-template-columns: minmax(7rem, auto) 1fr;
  gap: 0.5rem 1.5rem;
  font-size: 0.92rem;
  align-content: start;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-strong);
}
.chronik dt {
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-top: 0.2rem;
}
.chronik dd {
  color: var(--ink);
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 720px) {
  .bio-layout { grid-template-columns: 1fr; }
}


/* ---------- Downloads ---------- */

.downloads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: var(--max-page);
  margin: clamp(3rem, 6vh, 5rem) auto 0;
  padding: 0 var(--gutter);
  border-top: 1px solid var(--line-strong);
}
.downloads a {
  display: grid;
  gap: 0.4rem;
  padding: clamp(1.5rem, 3vh, 2.5rem) 0 clamp(1.5rem, 3vh, 2.5rem);
  border-bottom: none;
  border-right: 1px solid var(--line);
}
.downloads a:last-child { border-right: none; padding-left: clamp(1.5rem, 3vw, 3rem); }
.downloads a:first-child { padding-right: clamp(1.5rem, 3vw, 3rem); }

.downloads__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.downloads__file {
  font-size: 1rem;
  color: var(--ink);
}

@media (max-width: 640px) {
  .downloads { grid-template-columns: 1fr; }
  .downloads a { border-right: none; border-bottom: 1px solid var(--line); padding-left: 0 !important; padding-right: 0 !important; }
}


/* ---------- Kontakt ---------- */

.kontakt__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  max-width: var(--max-page);
  margin: 0 auto;
  padding: clamp(3rem, 6vh, 5rem) var(--gutter) clamp(5rem, 10vh, 8rem);
}

@media (max-width: 640px) {
  .kontakt__grid { grid-template-columns: 1fr; }
}

.kontakt__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-strong);
}

.kontakt__block address {
  font-size: 1rem;
  line-height: 1.75;
}

.kontakt__email {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 1rem;
  border-bottom: 1px solid var(--line);
}

.galleries { display: grid; gap: 1.2rem; }
.galleries li {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.gallery__name {
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
}
.gallery__detail {
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}


/* ---------- Footer ---------- */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 2rem var(--gutter);
  border-top: 1px solid var(--line-strong);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.site-footer > div { display: flex; gap: 1.5rem; }
.footer__name { color: var(--ink); }
.site-footer a { color: var(--ink-soft); border: none; }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 640px) {
  .site-footer { flex-direction: column; align-items: flex-start; }
}