@charset "UTF-8";
/* ==========================================================================
   Kalk & Tinte — Grundlagen
   Abdurrahim Özer · Mediengestaltung · Brilon
   ========================================================================== */

/* --- 1. Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { min-height: 100svh; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
img, video { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul[class], ol[class] { list-style: none; padding: 0; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }
:target { scroll-margin-top: 6rem; }

/* --- 2. Tokens ---------------------------------------------------------- */
:root {
  /* Farbe: Kalkstein, Tinte, Signalorange */
  --kalk:        #dedfd6;
  --kalk-2:      #d2d4c9;
  --kalk-3:      #eceded;
  --weiss:       #fbfbf6;
  --tinte:       #10150f;
  --tinte-2:     #212a21;
  --moos:        #2c3d33;
  --signal:      #e83f0d;
  --signal-hell: #ff5a24;
  --gold:        #b8873a;

  --line:        rgba(16, 21, 15, .16);
  --line-2:      rgba(16, 21, 15, .34);
  --line-stark:  rgba(16, 21, 15, .68);
  --schatten:    0 24px 60px -32px rgba(16, 21, 15, .55);

  /* Typografie */
  --display: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --fs-mega: clamp(3.6rem, 13.5vw, 13.5rem);
  --fs-h1:   clamp(2.5rem, 6.2vw, 5.4rem);
  --fs-h2:   clamp(2rem, 4.4vw, 3.6rem);
  --fs-h3:   clamp(1.35rem, 2.1vw, 1.9rem);
  --fs-lead: clamp(1.05rem, 1.5vw, 1.32rem);
  --fs-body: clamp(1rem, 1.05vw, 1.06rem);
  --fs-mono: .72rem;

  /* Raum */
  --pad: clamp(1.1rem, 4.2vw, 4.5rem);
  --sec: clamp(4.5rem, 9vw, 9rem);
  --shell: 1640px;
  --r-s: 2px;
  --r-m: 4px;
  --ease: cubic-bezier(.22, .61, .24, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* Dunkle Sektion: überschreibt nur die Flächen-Token */
.is-dark {
  --kalk:   #10150f;
  --kalk-2: #191f18;
  --kalk-3: #1f2620;
  --weiss:  #10150f;
  --tinte:  #eced e4;
  --tinte:  #ecede4;
  --line:   rgba(236, 237, 228, .18);
  --line-2: rgba(236, 237, 228, .34);
  --line-stark: rgba(236, 237, 228, .7);
  --schatten: 0 30px 70px -40px rgba(0, 0, 0, .9);
}

/* --- 3. Grundtypografie ------------------------------------------------- */
html { background: var(--kalk); }
body {
  font-family: var(--body);
  font-size: var(--fs-body);
  line-height: 1.62;
  color: var(--tinte);
  background: var(--kalk);
  font-variation-settings: "wdth" 100, "wght" 400;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--display);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.028em;
  text-wrap: balance;
  font-variation-settings: "wdth" 84, "wght" 800;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.02; font-variation-settings: "wdth" 90, "wght" 750; }
h4 { font-size: 1.05rem; font-variation-settings: "wdth" 100, "wght" 700; letter-spacing: 0; }

p { text-wrap: pretty; }
p + p { margin-top: .85em; }
strong, b { font-weight: 650; }
em, i { font-style: italic; }
small { font-size: .8rem; }

a { text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { text-decoration-color: var(--signal); }

/* Auszeichnungsschrift: schmale, gesperrte Kleinbuchstaben-Zeile */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--tinte);
  display: inline-flex;
  align-items: center;
  gap: .7em;
  line-height: 1;
}
.eyebrow::before {
  content: "";
  width: .55em; height: .55em;
  background: var(--signal);
  flex: none;
}
.eyebrow--plain::before { display: none; }

/* Weite Zeile: aus der Breite geholt (wdth-Achse) */
.wide {
  font-family: var(--display);
  font-variation-settings: "wdth" 125, "wght" 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
/* Enge Zeile: Poster-Schrift */
.tight { font-variation-settings: "wdth" 62, "wght" 800; letter-spacing: -.035em; }
.accent { color: var(--signal); }
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: 0; }
.mono { font-family: var(--mono); font-size: .8rem; letter-spacing: .02em; }

/* --- 4. Layout ---------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.section { padding-block: var(--sec); position: relative; }
.section--tight { padding-block: clamp(3rem, 6vw, 6rem); }
.section--line { border-top: 1px solid var(--line); }

/* Registerkante: technische Beschriftung links neben dem Inhalt */
.reg {
  display: grid;
  grid-template-columns: minmax(0, 7.5rem) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
}
@media (max-width: 860px) {
  .reg { grid-template-columns: 1fr; gap: 1.35rem; }
  .reg__label { position: static !important; }
}
.reg__label {
  position: sticky;
  top: 6.2rem;
  font-family: var(--mono);
  font-size: var(--fs-mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--tinte);
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding-top: .45rem;
  border-top: 1px solid var(--line-stark);
}
.reg__label b { color: var(--signal); font-weight: 600; }

.stack > * + * { margin-top: 1.1rem; }
.grid { display: grid; gap: clamp(1rem, 2vw, 2rem); }

/* --- 5. Kopfzeile ------------------------------------------------------- */
.skip {
  position: absolute;
  left: 1rem; top: -100%;
  z-index: 200;
  background: var(--tinte);
  color: var(--kalk-3);
  padding: .8rem 1.2rem;
  font-family: var(--mono);
  font-size: .8rem;
  text-decoration: none;
  transition: top .18s var(--ease);
}
.skip:focus { top: 1rem; }

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem var(--pad);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--kalk) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  color: var(--tinte);
}
.topbar a { text-decoration: none; }
.topbar__dot { color: var(--signal); }
@media (max-width: 700px) { .topbar__hide { display: none; } }

/* --- 6. Navigation ------------------------------------------------------ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--kalk) 78%, transparent);
  backdrop-filter: blur(18px) saturate(1.5);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.4rem;
  padding-inline: var(--pad);
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  text-decoration: none;
  white-space: nowrap;
}
.brand__mark {
  font-family: var(--display);
  font-variation-settings: "wdth" 62, "wght" 800;
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: -.04em;
  text-transform: uppercase;
}
.brand__mark span { color: var(--signal); }
.brand__sub {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  line-height: 1.3;
  color: var(--tinte);
  opacity: .72;
}

.nav__list { display: flex; align-items: center; gap: clamp(.7rem, 1.6vw, 1.7rem); }
.nav__link {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  padding-block: .35rem;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.nav__link:hover { border-bottom-color: var(--signal); }
.nav__link[aria-current="page"] { color: var(--signal); border-bottom-color: var(--signal); }

.nav__toggle {
  display: none;
  align-items: center;
  gap: .6rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .6rem .9rem;
  border: 1px solid var(--line-2);
}
.nav__bars { display: inline-block; width: 18px; height: 9px; position: relative; }
.nav__bars::before, .nav__bars::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor;
  transition: transform .25s var(--ease), top .25s var(--ease);
}
.nav__bars::before { top: 0; }
.nav__bars::after { top: 7px; }
.nav__toggle[aria-expanded="true"] .nav__bars::before { top: 3.5px; transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__bars::after { top: 3.5px; transform: rotate(-45deg); }

@media (max-width: 1080px) {
  .nav__toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: 0;
    z-index: 95;
    background: var(--kalk);
    padding: 6rem var(--pad) 3rem;
    display: grid;
    align-content: start;
    gap: .1rem;
    transform: translateY(-101%);
    transition: transform .42s var(--ease-out);
    overflow-y: auto;
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link {
    font-family: var(--display);
    font-variation-settings: "wdth" 70, "wght" 750;
    font-size: clamp(1.9rem, 8vw, 2.9rem);
    letter-spacing: -.03em;
    text-transform: uppercase;
    padding: .55rem 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
  }
  .nav__link[aria-current="page"] { border-bottom-color: var(--line); color: var(--tinte); }
  .nav__link::after {
    content: "↗";
    font-size: .9rem;
    color: var(--signal);
  }
  .nav__label-num { display: none; }
}

/* --- 7. Knöpfe ---------------------------------------------------------- */
.btn {
  --btn-bg: var(--tinte);
  --btn-fg: var(--kalk-3);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.5rem;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  overflow: hidden;
  transition: color .3s var(--ease), border-color .3s var(--ease);
  isolation: isolate;
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--signal);
  transform: translateY(101%);
  transition: transform .38s var(--ease-out);
  z-index: -1;
}
.btn:hover, .btn:focus-visible { color: #fff; border-color: var(--signal); }
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn__arrow { transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translate(3px, -3px); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--tinte); border-color: var(--line-2); }
.btn--ghost:hover { color: #fff; }
.btn--signal { --btn-bg: var(--signal); --btn-fg: #fff; border-color: var(--signal); }
.btn--signal::before { background: var(--tinte); }
.btn--sm { padding: .65rem 1rem; font-size: .68rem; }

/* Textlink mit Unterstrich-Wipe */
.tlink {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: .2rem;
  background-image: linear-gradient(var(--signal), var(--signal));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 1px;
  transition: background-size .35s var(--ease-out);
}
.tlink:hover { background-size: 0 1px; background-position: 100% 100%; }

/* --- 8. Bewegung -------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .85s var(--ease-out), transform .85s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

[data-reveal="mask"] {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
[data-reveal="mask"].is-in { clip-path: inset(0 0 0 0); }

/* Zeilenweise Textauflösung im Hero */
.rise { display: block; overflow: hidden; }
.rise > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1.05s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
.is-loaded .rise > span, .rise.is-in > span { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal="mask"] { opacity: 1 !important; transform: none !important; clip-path: none !important; transition: none !important; }
  .rise > span { transform: none !important; transition: none !important; }
  .marquee__track { animation: none !important; }
}

/* --- 9. Fokus & Lesbarkeit ---------------------------------------------- */
:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
  border-radius: var(--r-s);
}
.is-dark :where(a, button, input, textarea, select, [tabindex]):focus-visible { outline-color: var(--signal-hell); }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap; border: 0;
}
.focus-ring:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }

/* Papierkorn */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .3;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E");
}
.is-dark + body::after, .is-dark::after { mix-blend-mode: screen; }
main, .footer, .topbar, .header { position: relative; z-index: 2; }

/* --- 10. Fußzeile ------------------------------------------------------- */
.footer {
  background: var(--tinte);
  color: #ecede4;
  padding-block: clamp(3rem, 6vw, 5.5rem) 2rem;
  overflow: hidden;
}
.footer a { color: #ecede4; text-decoration: none; }
.footer a:hover { color: var(--signal-hell); }
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(236, 237, 228, .18);
}
@media (max-width: 860px) { .footer__top { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer__top { grid-template-columns: 1fr; } }
.footer__h {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(236, 237, 228, .55);
  margin-bottom: 1rem;
}
.footer__list { display: grid; gap: .45rem; }
.footer__list a, .footer__list span { font-size: .95rem; }
.footer__claim {
  font-family: var(--display);
  font-variation-settings: "wdth" 66, "wght" 800;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: .9;
  letter-spacing: -.035em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.6rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.6rem;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(236, 237, 228, .55);
}
.footer__bottom nav { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; }

/* --- 11. Hilfsklassen --------------------------------------------------- */
.rule { height: 1px; background: var(--line); border: 0; }
.no-wrap { white-space: nowrap; }
.center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.hidden { display: none !important; }