/* Boram Park — Portfolio
   Eine Datei fuer alle Seiten. Regeln und Werte nach design.md:
   keine Farbe ausser Schwarz/Weiss/Grau, flache Bilder ohne Rahmen, Schatten
   oder Rundungen. Fett (900) tragen nur Wortmarke und Navigation; alle
   uebrigen Texte stehen in 400 und ordnen sich ueber Groesse und Grau. */

:root {
  --bp-font-family: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --bp-font-weight-normal: 400;
  --bp-font-weight-bold: 900;

  --bp-bg: #FFFFFF;
  --bp-fg: #0F0F0F;
  --bp-fg-muted: #6B6B6B;
  --bp-hairline: #E5E5E5;

  --bp-space-xs: 8px;
  --bp-space-sm: 16px;
  --bp-space-md: 32px;
  --bp-space-lg: 64px;
  --bp-space-xl: 96px;

  --bp-nav-width: 240px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bp-bg);
  color: var(--bp-fg);
  font-family: var(--bp-font-family);
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  display: grid;
  grid-template-columns: var(--bp-nav-width) 1fr;
  align-content: start;   /* sonst dehnen sich kurze Seiten auf 100vh auseinander */
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Masthead: Wortmarke + Navigation (links) ---------- */
.masthead {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: var(--bp-space-xl) var(--bp-space-md);
  display: flex;
  flex-direction: column;
}

.masthead-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bp-space-sm);
}

/* Menuknopf: nur auf dem Telefon sichtbar, und nur wenn JavaScript laeuft */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: none;
  border: none;
  color: var(--bp-fg);
  cursor: pointer;
}

.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.nav-logo {
  font-weight: var(--bp-font-weight-bold);
  font-size: 26px;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 var(--bp-space-lg);
  width: fit-content;
  transition: opacity 0.15s ease;
}

.nav-logo:hover { opacity: 0.55; }

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 0;                 /* Abstand kommt aus dem Padding der Eintraege,
                             damit die zugeklappte Werkliste keine Luecke macht */
}

.nav-link {
  font-weight: var(--bp-font-weight-bold);
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--bp-fg);
  width: fit-content;
  padding: 7px 0;
  transition: opacity 0.15s ease;
}

/* "Work" ist ein Knopf: er klappt die Werkliste auf, statt zu verlinken */
.nav-branch {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: inherit;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
}

/* Werkliste unter "Work".
   Die Zeile waechst von 0fr auf 1fr, also genau auf die Hoehe des Inhalts -
   anders als bei max-height laeuft die Bewegung in beide Richtungen gleich
   ruhig und haengt nicht von einem geratenen Maximalwert ab. */
.nav-sub {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.4s cubic-bezier(0.22, 0.61, 0.36, 1),
              opacity 0.3s ease;
}

.nav-sub > .nav-sub-list {
  overflow: hidden;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1px;
  min-height: 0;
}

.nav-sub[data-open="true"] {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-bottom: var(--bp-space-xs);
}

.nav-sub-link {
  display: block;
  font-size: 14px;
  font-weight: var(--bp-font-weight-normal);
  line-height: 1.35;
  color: var(--bp-fg-muted);
  padding: 5px 0;
  transition: color 0.15s ease;
}

.nav-sub-link:hover,
.nav-sub-link[data-active="true"] { color: var(--bp-fg); }

.nav-link:hover { opacity: 0.55; }

body[data-section] .nav-link:not([data-active="true"]) { opacity: 0.35; }
.nav-link[data-active="true"] { opacity: 1; }

/* ---------- Sprachumschalter (oben rechts) ---------- */
.lang-toggle {
  position: fixed;
  top: var(--bp-space-md);
  right: var(--bp-space-md);
  display: flex;
  align-items: center;      /* sonst haengt der Trenner an der Oberkante,
                               weil nur die Knoepfe Padding haben */
  gap: 6px;
  font-size: 13px;
  z-index: 10;
}

.lang-sep {
  color: var(--bp-hairline);
  line-height: 1;
  transform: translateY(-1px);
}

.lang-toggle button {
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  color: var(--bp-fg-muted);
  font-weight: var(--bp-font-weight-normal);
  cursor: pointer;
  padding: 4px;
}

.lang-toggle button[aria-pressed="true"] {
  color: var(--bp-fg);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- Hauptspalte ---------- */
main {
  padding: var(--bp-space-xl) var(--bp-space-lg);
  min-width: 0;
}

.page-head { margin: 0 0 var(--bp-space-lg); }

.page-head h1 {
  font-size: 40px;
  font-weight: var(--bp-font-weight-normal);
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------- Startseite ---------- */
.home-tagline {
  font-size: 18px;
  font-weight: var(--bp-font-weight-normal);
  color: var(--bp-fg-muted);
  margin: 0 0 var(--bp-space-lg);
}

.hero-work {
  display: block;
  margin: 0 0 var(--bp-space-md);
  opacity: 0;
  animation: reveal 0.6s ease forwards;
}

.hero-thumb {
  display: block;
  width: 100%;
  max-height: 72vh;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--bp-hairline);
}

.hero-caption {
  display: flex;
  align-items: baseline;
  gap: var(--bp-space-sm);
  margin-top: var(--bp-space-sm);
}

.hero-year {
  color: var(--bp-fg-muted);
  font-weight: var(--bp-font-weight-normal);
  font-size: 16px;
}

.hero-title {
  color: var(--bp-fg);
  font-weight: var(--bp-font-weight-normal);
  font-size: clamp(20px, 2vw, 32px);
  letter-spacing: -0.01em;
  transition: opacity 0.15s ease;
}

.hero-work:hover .hero-title { opacity: 0.55; }

.home-enter {
  display: inline-block;
  font-size: 16px;
  font-weight: var(--bp-font-weight-normal);
  border-bottom: 2px solid var(--bp-fg);
  padding-bottom: 2px;
  opacity: 0;
  animation: reveal 0.6s ease forwards;
  animation-delay: 0.12s;
  transition: opacity 0.15s ease;
}

.home-enter:hover { opacity: 0.55; }

/* ---------- Work: Detailseite ---------- */
.work-meta {
  font-size: 14px;
  color: var(--bp-fg-muted);
  margin: var(--bp-space-sm) 0 0;
}

.work-text {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.6;
  margin: var(--bp-space-md) 0 var(--bp-space-xl);
  text-wrap: pretty;
}

.work-figures {
  display: flex;
  flex-direction: column;
  gap: var(--bp-space-sm);
  max-width: 1400px;
}

.work-figures figure { margin: 0; }

.work-figures img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 84vh;
  object-fit: contain;
  object-position: left center;
}

.work-figures figcaption {
  font-size: 14px;
  color: var(--bp-fg-muted);
  margin-top: var(--bp-space-xs);
}

.back-link {
  display: inline-block;
  margin-top: var(--bp-space-xl);
  font-size: 14px;
  color: var(--bp-fg-muted);
}

.back-link:hover { color: var(--bp-fg); }

/* ---------- Biografie ---------- */
.bio-statement {
  max-width: 640px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--bp-fg);
  margin: 0 0 var(--bp-space-xl);
  text-wrap: pretty;
}

.section-label {
  font-size: 15px;
  font-weight: var(--bp-font-weight-normal);
  letter-spacing: 0.02em;
  color: var(--bp-fg-muted);
  margin: 0 0 var(--bp-space-xs);
}

.exhibition-list {
  max-width: 900px;
  margin: 0 0 var(--bp-space-xl);
}

.exhibition-row {
  display: grid;
  grid-template-columns: 120px 1fr 240px;
  gap: var(--bp-space-sm);
  padding: var(--bp-space-sm) 0;
  border-bottom: 1px solid var(--bp-hairline);
  font-size: 14px;
}

.ex-date, .ex-location { color: var(--bp-fg-muted); font-weight: var(--bp-font-weight-normal); }
.ex-title { color: var(--bp-fg); font-weight: var(--bp-font-weight-normal); }

/* ---------- Kontakt ---------- */
.contact-block { max-width: 640px; }

.contact-email {
  display: inline-block;
  font-size: 26px;
  font-weight: var(--bp-font-weight-normal);
  letter-spacing: -0.01em;
  border-bottom: 2px solid var(--bp-fg);
  padding-bottom: 2px;
  word-break: break-word;
  transition: opacity 0.15s ease;
}

.contact-email:hover { opacity: 0.55; }

.contact-note {
  font-size: 16px;
  line-height: 1.6;
  color: var(--bp-fg-muted);
  margin: var(--bp-space-sm) 0 0;
}

/* ---------- Bewegung ---------- */
@keyframes reveal {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}


@media (prefers-reduced-motion: reduce) {
  .hero-work {
    animation: none;
    opacity: 1;
  }

  .nav-panel,
  .nav-panel .nav-links,
  .nav-panel .lang-toggle,
  .nav-panel .nav-link,
  .nav-sub {
    transition-duration: 0.01ms;
    transform: none;
  }
}

/* ---------- Tablet ---------- */
@media (max-width: 1100px) {
  :root { --bp-nav-width: 200px; }
  .nav-logo { font-size: 22px; margin-bottom: var(--bp-space-md); }
  main { padding: var(--bp-space-lg) var(--bp-space-md); }
  .masthead { padding: var(--bp-space-lg) var(--bp-space-md); }
  .page-head h1 { font-size: 34px; }
}

/* ---------- Telefon ---------- */
@media (max-width: 780px) {
  body { grid-template-columns: 1fr; }

  .masthead {
    position: static;
    height: auto;
    padding: var(--bp-space-md) var(--bp-space-md) var(--bp-space-sm);
  }

  .nav-logo {
    font-size: 22px;
    margin-bottom: 0;
  }

  .masthead[data-js="true"] .nav-toggle { display: flex; }

  /* Geoeffnet legt sich das Menu als ganze Flaeche ueber die Seite.
     Die Leiste mit Wortmarke und Kreuz bleibt darueber sichtbar. */
  .masthead[data-open="true"] {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 30;
    background: var(--bp-bg);
  }

  .masthead[data-open="true"] .masthead-bar {
    position: relative;
    z-index: 40;          /* sonst deckt das Panel Wortmarke und Kreuz zu */
    background: var(--bp-bg);
  }

  html.nav-open, html.nav-open body { overflow: hidden; }

  .nav-panel {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: var(--bp-bg);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: var(--bp-space-xl) var(--bp-space-md) var(--bp-space-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity 0.26s ease, transform 0.26s ease, visibility 0.26s;
  }

  .nav-panel[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  /* ohne JavaScript bleibt das Menu als normale Liste stehen */
  .masthead:not([data-js="true"]) .nav-panel {
    position: static;
    padding: var(--bp-space-sm) 0 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  /* oben ausgerichtet: die Liste waechst nach unten, statt den ganzen
     Inhalt bei jedem Aufklappen neu zu zentrieren */
  .nav-panel .nav-links { margin-top: 0; }

  .nav-links,
  .nav-panel .lang-toggle {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .nav-panel[data-open="true"] .nav-links { opacity: 1; transform: none; transition-delay: 0.06s; }
  .nav-panel[data-open="true"] .lang-toggle { opacity: 1; transform: none; transition-delay: 0.16s; }

  .nav-links {
    flex-direction: column;
    gap: 0;
  }

  .nav-sub-link {
    font-size: 18px;
    padding: 9px 0;
  }

  .nav-sub[data-open="true"] { margin-bottom: var(--bp-space-sm); }

  .nav-link {
    font-size: 32px;
    padding: 10px 0;          /* Tippfläche mindestens 44px hoch */
    transform: translateY(14px);
    transition: transform 0.34s ease, opacity 0.15s ease;
  }

  .nav-panel[data-open="true"] .nav-link { transform: none; }
  .nav-panel[data-open="true"] .nav-link:nth-child(1) { transition-delay: 0.08s; }
  .nav-panel[data-open="true"] .nav-link:nth-child(2) { transition-delay: 0.14s; }
  .nav-panel[data-open="true"] .nav-link:nth-child(3) { transition-delay: 0.20s; }

  .lang-toggle {
    position: static;
    margin-top: var(--bp-space-md);
    font-size: 16px;
  }

  .lang-toggle button { padding: 12px 14px 12px 0; }

  main { padding: var(--bp-space-md) var(--bp-space-md) var(--bp-space-lg); }

  .page-head { margin-bottom: var(--bp-space-md); }
  .page-head h1 { font-size: 28px; }

  .home-tagline { font-size: 16px; margin-bottom: var(--bp-space-md); }
  .hero-thumb { aspect-ratio: 4 / 3; max-height: none; }

  .work-text { margin: var(--bp-space-md) 0 var(--bp-space-lg); }
  .work-figures { gap: var(--bp-space-md); }
  .work-figures img { max-height: 70vh; }
  .back-link { margin-top: var(--bp-space-lg); padding: 8px 0; }

  .section-label { font-size: 14px; }
  .exhibition-row { grid-template-columns: 1fr; gap: 2px; padding: 14px 0; }
  .exhibition-list { margin-bottom: var(--bp-space-lg); }
  .bio-statement { margin-bottom: var(--bp-space-lg); }

  .contact-email { font-size: 22px; }
}

/* ---------- Kleines Telefon ---------- */
@media (max-width: 400px) {
  .masthead { padding: var(--bp-space-sm) var(--bp-space-sm) var(--bp-space-xs); }
  main { padding: var(--bp-space-sm) var(--bp-space-sm) var(--bp-space-md); }
  .nav-link { font-size: 28px; }
  .nav-panel { padding: var(--bp-space-lg) var(--bp-space-sm) var(--bp-space-md); }
  .page-head h1 { font-size: 26px; }
}