/* ============================================================
   Erich Gruber — Entwurf B: Cuaderno arquitectónico
   Editoriale Hierarchie, Spreads, Jahres-Marginalien.
   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:  #6b6b6b;
  --ink-soft:   #9a9a9a;
  --line:       #e6e6e6;
  --line-soft:  #f0f0f0;
  --year-mark:  #d6d6d6;

  --gutter:     clamp(1.5rem, 5vw, 5rem);
  --max-page:   1180px;
  --max-text:   34rem;
}


/* ---------- 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: 1.6;
  -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;
}
a:hover { border-bottom-color: var(--ink); }

h1, h2, h3, p, ol, ul, dl, 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 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding: 2.25rem var(--gutter) 1.75rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
}

.site-nav {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  font-size: 0.9rem;
}
.site-nav a { display: inline-flex; align-items: baseline; gap: 0.45rem; }
.site-nav .nav-no {
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  font-weight: 500;
}

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .site-nav { gap: 1.5rem; }
}


/* ---------- Section-Head: 01 / Titel / Untertitel ---------- */

.section-head {
  display: grid;
  grid-template-columns: minmax(6rem, 10%) 1fr;
  align-items: baseline;
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-bottom: clamp(3rem, 6vh, 5rem);
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.section-no {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--ink);
  line-height: 1.1;
}

.section-sub {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}


/* ---------- Section / Inner ---------- */

section { padding: clamp(4rem, 10vh, 8rem) var(--gutter); }
section + section { border-top: 1px solid var(--line); }

.section-inner { max-width: var(--max-page); margin: 0 auto; }


/* ---------- Cover / Hero ---------- */

.cover {
  display: grid;
  grid-template-columns: minmax(12rem, 18%) minmax(0, 560px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
  padding-top: clamp(4rem, 10vh, 8rem);
  padding-bottom: clamp(4rem, 10vh, 8rem);
  max-width: 1280px;
  margin: 0 auto;
}

.cover__year {
  justify-self: end;
  font-size: clamp(3rem, 6vw, 6.5rem);
  font-weight: 300;
  line-height: 0.9;
  color: var(--year-mark);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.cover .work--hero { width: 100%; max-width: 560px; }

@media (max-width: 880px) {
  .cover {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .cover__year {
    justify-self: start;
    margin-bottom: 0.5rem;
  }
}


/* ---------- Werk ---------- */

.work { display: block; }

.work__image { background: var(--line-soft); }
.work__image img {
  width: 100%; height: auto; display: block;
}

.work figcaption {
  margin-top: 0.85rem;
  display: grid;
  gap: 0.1rem;
}
.work__title {
  font-size: 0.95rem;
  color: var(--ink);
}
.work__title i { font-style: italic; font-weight: 300; }
.work__detail {
  font-size: 0.82rem;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}


/* ---------- Year-Block ---------- */

.year-blocks > .year-block + .year-block {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 6vh, 5rem);
  padding-top: clamp(3rem, 6vh, 5rem);
}

.year-block {
  display: grid;
  grid-template-columns: minmax(5rem, 9%) 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.year-label {
  position: sticky;
  top: 1.5rem;
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  font-weight: 300;
  line-height: 1;
  color: var(--year-mark);
  letter-spacing: -0.02em;
  align-self: start;
}

.year-works {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 4rem);
}

@media (max-width: 720px) {
  .year-block { grid-template-columns: 1fr; gap: 1rem; }
  .year-label { position: static; font-size: 1.6rem; }
  .year-works { grid-template-columns: 1fr; }
}


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

.bio__layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.bio__text {
  font-size: 1rem;
  line-height: 1.7;
  max-width: var(--max-text);
}
.bio__text p + p { margin-top: 1rem; }

.chronik {
  display: grid;
  grid-template-columns: minmax(7rem, auto) 1fr;
  gap: 0.6rem 1.5rem;
  font-size: 0.9rem;
}
.chronik dt {
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-top: 0.15rem;
}
.chronik dd {
  margin: 0;
  color: var(--ink);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-soft);
}
.chronik dt + dd { /* nada extra */ }

@media (max-width: 720px) {
  .bio__layout { grid-template-columns: 1fr; }
  .chronik { grid-template-columns: 6rem 1fr; }
}

.bio__downloads {
  margin-top: clamp(2.5rem, 5vh, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  max-width: var(--max-text);
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.bio__downloads a {
  font-size: 0.88rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}


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

.contact__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
}
@media (max-width: 640px) { .contact__cols { grid-template-columns: 1fr; } }

.contact__col h3 {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.contact__col address {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ink);
}

.galleries { display: grid; gap: 0; }
.galleries li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.gallery__name {
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
}
.gallery__place {
  font-size: 0.82rem;
  color: var(--ink-muted);
}


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

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 2rem var(--gutter);
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-muted);
}
.site-footer a { color: var(--ink-muted); }
.site-footer a:hover { color: var(--ink); }

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