/* ===== Schriften (SIL Open Font License, siehe assets/fonts/LIZENZ.txt) ===== */
@font-face {
  font-family: "Big Shoulders";
  font-style: normal;
  font-weight: 600 900;
  font-display: swap;
  src: url("../assets/fonts/BigShoulders-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Big Shoulders";
  font-style: normal;
  font-weight: 600 900;
  font-display: swap;
  src: url("../assets/fonts/BigShoulders-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Schibsted Grotesk";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/SchibstedGrotesk-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Schibsted Grotesk";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../assets/fonts/SchibstedGrotesk-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Bodoni Moda";
  font-style: italic;
  font-weight: 400 900;
  font-display: swap;
  src: url("../assets/fonts/BodoniModa-italic-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Bodoni Moda";
  font-style: italic;
  font-weight: 400 900;
  font-display: swap;
  src: url("../assets/fonts/BodoniModa-italic-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url("../assets/fonts/BodoniModa-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url("../assets/fonts/BodoniModa-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/IBMPlexMono-400-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/IBMPlexMono-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/IBMPlexMono-500-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/IBMPlexMono-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===== Farben aus den Materialien der Lampe ===== */
:root {
  color-scheme: dark;
  --raum: #050403;
  --glas: #f2ebe2;
  --glas-leise: #a0968c;
  --chrom: #c8ccd2;
  --wachs: #ff2b12;
  --glut: #ffad5c;
  --linie: rgba(242, 235, 226, 0.14);
  --leuchtlinie: linear-gradient(90deg, rgba(255, 173, 92, 0), rgba(255, 173, 92, 0.9) 50%, rgba(255, 173, 92, 0));
  --serif: "Bodoni Moda", "Bodoni 72", Didot, Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --text: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --rand: clamp(16px, 4vw, 56px);
  --vh: 1vh;
}
@supports (height: 1svh) { :root { --vh: 1svh; } }
:root {
  /* Die Lampe ist höher als der Bildschirm: oben stehen Kappe und Glas, der Fuß kommt beim Scrollen. */
  --lampe-h: min(calc(142 * var(--vh)), calc((100vw - 32px) / 0.38));
  --oben: calc(7 * var(--vh));
  --boden: calc(16 * var(--vh));
}

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

html {
  background: var(--raum);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--raum);
  color: var(--glas);
  font: 400 1.0625rem/1.6 var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
@supports (overflow: clip) { body { overflow-x: clip; } }

a { color: inherit; }
:focus-visible { outline: 2px solid var(--glut); outline-offset: 4px; border-radius: 2px; }

.sprung {
  position: absolute;
  left: var(--rand);
  top: -100px;
  z-index: 30;
  padding: 8px 12px;
  background: var(--raum);
}
.sprung:focus { top: 12px; }

/* Versalien in Monospace: Navigation, Listen, Hinweise. */
.kopf nav, .bereiche a, .im-wachs, .scroll-hinweis, .seit, .kapitel a, .boden, .gruppe-titel, .ziel, .status {
  font-family: var(--mono);
  font-weight: 400;
  text-transform: uppercase;
}

/* ===== Kopfzeile ===== */
.kopf {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: calc(24px + env(safe-area-inset-top, 0px)) var(--rand) 24px;
  transition: background 0.3s;
}
.kopf.unterwegs { background: linear-gradient(rgba(5, 4, 3, 0.94) 55%, rgba(5, 4, 3, 0)); }

/* Schriftzug in Chrom: harte Lichtkante in der Mitte wie auf der Kappe. */
.logo {
  font: 700 1.45rem/1 var(--serif);
  font-variation-settings: "opsz" 11;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  background: linear-gradient(180deg, #ffffff 0%, #d4d8de 34%, #5f646b 50%, #eceef1 64%, #8d9299 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.kopf nav { display: flex; gap: 0.9em; font-size: 0.76rem; letter-spacing: 0.22em; }
.kopf nav a { text-decoration: none; transition: color 0.2s; }
.kopf nav a:hover { color: var(--glut); }
.kopf nav span { color: var(--glas-leise); }

/* ===== Start: Bühne mit Lampe und Chrombändern ===== */
.start {
  position: relative;
  height: calc(var(--oben) + var(--lampe-h) + var(--boden));
  overflow: hidden;
}
@supports (overflow: clip) { .start { overflow: clip; } }

.buehne {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Leerer Rahmen: legt Größe und Lage der Lampe fest, gezeichnet wird sie auf der Bühne. */
.lampe {
  position: absolute;
  top: var(--oben);
  left: 50%;
  height: var(--lampe-h);
  aspect-ratio: 0.38;
  translate: -50% 0;
}
.lampe.zeigt { cursor: pointer; }

/* Warmer Schein auf dem Boden unter dem Fuß. */
.start::after {
  content: "";
  position: absolute;
  left: 50%;
  top: calc(var(--oben) + var(--lampe-h));
  width: calc(var(--lampe-h) * 0.75);
  height: calc(var(--boden) * 0.9);
  translate: -50% -50%;
  background: radial-gradient(closest-side, rgba(255, 130, 50, 0.26), rgba(255, 130, 50, 0));
  pointer-events: none;
}

.start-links, .start-rechts, .scroll-hinweis, .seit, .experimente, .kapitel, .boden { position: absolute; z-index: 2; }

.start-links {
  left: var(--rand);
  top: calc(33 * var(--vh));
  width: min(36vw, 36rem);
}

.schlagzeile {
  margin: 0;
  font: 400 clamp(2.6rem, 4.8vw, 5.8rem)/1.04 var(--serif);
  font-variation-settings: "opsz" 96;
  text-transform: uppercase;
  letter-spacing: -0.005em;
}
.schlagzeile span, .schlagzeile em { display: block; }
.schlagzeile em { font-style: italic; }

.lead {
  max-width: 31ch;
  margin: 1.8rem 0 0;
  color: var(--glas-leise);
  font-size: 1.02rem;
  line-height: 1.55;
}

.start-rechts {
  right: var(--rand);
  top: calc(44 * var(--vh));
  width: min(22rem, 26vw);
}

.bereiche {
  display: grid;
  justify-items: end;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bereiche a {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-decoration: none;
}
.kreis {
  flex: none;
  width: 15px;
  height: 15px;
  border: 1px solid currentColor;
  border-radius: 50%;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.bereiche a:hover .kreis, .bereiche a:focus-visible .kreis {
  background: var(--wachs);
  border-color: var(--wachs);
  box-shadow: 0 0 12px 2px rgba(255, 60, 20, 0.6);
}

/* Was gerade im Wachs zu sehen ist: Titel als Link, darunter der Text. */
.im-wachs {
  min-height: 4.8em;
  margin: 2.4rem 0 0;
  color: var(--glas-leise);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  line-height: 1.6;
  text-align: right;
}
.im-wachs .etikett { display: block; color: var(--glut); letter-spacing: 0.24em; }
.im-wachs a { color: var(--glas); text-decoration-thickness: 1px; text-underline-offset: 0.3em; }
.im-wachs .text { display: block; }

.scroll-hinweis, .seit {
  top: calc(100 * var(--vh) - 58px);
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
}
.scroll-hinweis { left: var(--rand); }
.seit { right: var(--rand); }

/* Zweiter Bildschirm: der Fuß der Lampe. */
.experimente {
  left: var(--rand);
  top: calc(var(--oben) + var(--lampe-h) * 0.68);
  width: min(32vw, 30rem);
}
.experimente .schlagzeile { font-size: clamp(2.2rem, 4vw, 4.6rem); }

.kapitel {
  right: var(--rand);
  top: calc(var(--oben) + var(--lampe-h) * 0.70);
  width: min(24rem, 28vw);
  margin: 0;
  padding: 0;
  list-style: none;
}
.kapitel a {
  display: block;
  padding: 1.2rem 0;
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-decoration: none;
  transition: color 0.2s;
}
.kapitel a:hover { color: var(--glut); }
.kapitel li:not(:last-child)::after, .gruppe-titel::after {
  content: "";
  display: block;
  height: 1px;
  background: var(--leuchtlinie);
  box-shadow: 0 0 10px rgba(255, 140, 60, 0.5);
}

.boden {
  left: 0;
  right: 0;
  bottom: calc(var(--boden) * 0.4);
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin: 0;
  padding: 0 var(--rand);
  font-size: 0.74rem;
  letter-spacing: 0.3em;
}
.boden::before, .boden::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 173, 92, 0), rgba(255, 173, 92, 0.8));
  box-shadow: 0 0 10px rgba(255, 140, 60, 0.45);
}
.boden::after { background: linear-gradient(90deg, rgba(255, 173, 92, 0.8), rgba(255, 173, 92, 0)); }
.boden span { white-space: nowrap; }

/* Ohne WebGL oder nach einem Grafikabsturz: Standbild der Bühne, am Lampenrahmen ausgerichtet.
   Aufgenommen bei 2560×900; die Werte geben die Lage der Bühne relativ zur Lampe bei der Aufnahme an. */
.kein-webgl .buehne { display: none; }
.kein-webgl .lampe::before {
  content: "";
  position: absolute;
  left: -212.03%;
  top: -4.93%;
  width: 524.07%;
  height: 116.2%;
  background: url("../assets/buehne-standbild.webp") 0 0 / 100% 100% no-repeat;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  pointer-events: none;
}
.kein-webgl .im-wachs { display: none; }

/* ===== Abschnitte ===== */
.abschnitt {
  max-width: 76rem;
  margin: 0 auto;
  padding: clamp(80px, 13vh, 150px) var(--rand) 0;
}

.abschnitt h2 {
  margin: 0 0 2.8rem;
  font: 400 clamp(2.6rem, 5.4vw, 5rem)/0.95 var(--serif);
  font-variation-settings: "opsz" 96;
  text-transform: uppercase;
}

.gruppe + .gruppe { margin-top: clamp(64px, 10vh, 120px); }
.gruppe-titel {
  margin: 0 0 2rem;
  color: var(--glut);
  font-size: 0.8rem;
  letter-spacing: 0.24em;
}
.gruppe-titel::after { margin-top: 1.1rem; }

.projekte {
  display: grid;
  gap: 2.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.projekt {
  display: grid;
  grid-template-columns: minmax(12rem, 20rem) minmax(0, 1fr) auto;
  column-gap: clamp(16px, 3vw, 48px);
  align-items: baseline;
}
.projekt h4 { margin: 0; font: 400 clamp(1.6rem, 2.5vw, 2.2rem)/1.05 var(--serif); }
.projekt p { max-width: 52ch; margin: 0; color: var(--glas-leise); }

.ziel, .status { font-size: 0.74rem; letter-spacing: 0.12em; white-space: nowrap; }
.ziel {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.4em;
  text-decoration-color: var(--chrom);
  transition: color 0.2s, text-decoration-color 0.2s;
}
.ziel:hover { color: #fff; text-decoration-color: var(--wachs); }
.status { color: var(--glas-leise); }

.platzhalter { opacity: 0.6; }
.vermerk { color: var(--glas-leise); font-size: 0.9rem; }

.stationen {
  display: grid;
  gap: 0.9rem;
  max-width: 46rem;
  margin: 0 0 0.75rem;
  padding: 1.25rem 1.5rem;
  border: 1px dashed var(--linie);
  border-radius: 6px;
  list-style: none;
}
.stationen li { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 1.5rem; }
.zeit { color: var(--glas-leise); font-variant-numeric: tabular-nums; }

.pdf { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; margin-top: 2rem; }
.knopf {
  display: inline-block;
  padding: 0.8rem 1.3rem;
  border: 1px solid var(--chrom);
  border-radius: 999px;
  text-decoration: none;
}
.knopf[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }

.mail {
  font: 400 clamp(2rem, 5.4vw, 4rem)/1.05 var(--serif);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: var(--chrom);
}
.mail:hover { color: #fff; text-decoration-color: var(--wachs); }
.kanaele { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }

.fuss {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(80px, 14vh, 160px) var(--rand) 40px;
  color: var(--glas-leise);
  font-size: 0.9rem;
}

/* ===== Schmale Bildschirme: Text oben, Lampe darunter, Fuß und Kapitel unter der Lampe ===== */
@media (max-width: 760px) {
  :root {
    --lampe-h: min(calc(96 * var(--vh)), calc((100vw - 32px) / 0.38));
    --oben: calc(47 * var(--vh));
    --boden: calc(60 * var(--vh));
  }
  .kopf { padding-top: calc(18px + env(safe-area-inset-top, 0px)); padding-bottom: 18px; }
  .logo { font-size: 1.1rem; letter-spacing: 0.12em; }
  .kopf nav { gap: 0.9em; font-size: 0.62rem; letter-spacing: 0.08em; }
  .kopf nav span { display: none; }

  .start-links { top: calc(11 * var(--vh)); right: var(--rand); width: auto; }
  .schlagzeile { font-size: clamp(2.2rem, 10.5vw, 3.4rem); }
  .lead { max-width: none; margin-top: 0.9rem; font-size: 0.95rem; }

  .start-rechts { top: calc(36 * var(--vh)); left: var(--rand); width: auto; }
  .bereiche { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; }
  .bereiche a { gap: 0.45rem; font-size: 0.6rem; letter-spacing: 0.08em; }
  .kreis { width: 12px; height: 12px; }
  .im-wachs { min-height: 3.2em; margin-top: 0.9rem; font-size: 0.64rem; text-align: left; }
  .im-wachs .etikett { display: inline; margin-right: 0.8em; }

  .scroll-hinweis, .seit { display: none; }

  .experimente { top: calc(var(--oben) + var(--lampe-h) + 5 * var(--vh)); right: var(--rand); width: auto; }
  .experimente .schlagzeile { font-size: clamp(2.1rem, 10vw, 3.2rem); }
  .kapitel { top: calc(var(--oben) + var(--lampe-h) + 30 * var(--vh)); left: var(--rand); width: auto; }
  .boden { bottom: calc(4 * var(--vh)); gap: 0.9rem; font-size: 0.62rem; letter-spacing: 0.2em; }

  .projekt { grid-template-columns: minmax(0, 1fr); row-gap: 0.35rem; }
  .stationen li { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kopf, .kreis, .kapitel a, .ziel { transition: none; }
}