/* ============================================================
   Inu-Trust AG — Design System
   Klassisch-vornehm · Schweizer Präzision
   ============================================================ */

:root {
  /* Palette — warm ivory + deep ink navy + brass accent */
  --paper:      #F2EEE4;
  --paper-2:    #E9E2D3;
  --ink:        #15222E;
  --ink-2:      #0F1A24;
  --ink-soft:   rgba(21, 34, 46, 0.66);
  --ink-faint:  rgba(21, 34, 46, 0.42);
  --line:       rgba(21, 34, 46, 0.14);
  --line-strong:rgba(21, 34, 46, 0.26);

  /* On dark sections */
  --paper-on-ink:      #EFE9DC;
  --paper-on-ink-soft: rgba(239, 233, 220, 0.70);
  --paper-on-ink-faint:rgba(239, 233, 220, 0.40);
  --line-on-ink:       rgba(239, 233, 220, 0.16);

  /* Accent — brass / muted gold. Tweakable hue. */
  --brass-h: 74;
  --brass:        oklch(0.66 0.085 var(--brass-h));
  --brass-bright: oklch(0.74 0.095 var(--brass-h));
  --brass-deep:   oklch(0.54 0.075 var(--brass-h));

  /* Type */
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans:  "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Rhythm */
  --gutter: clamp(1.5rem, 5vw, 6rem);
  --maxw: 1320px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Bild-Eckenradius — Standard für alle Bildflächen/Platzhalter */
  --img-radius: 14px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--brass); color: var(--ink-2); }

/* ---------- Accessibility helpers ---------- */
.skip-link {
  position: fixed;
  top: 0; left: 50%;
  transform: translate(-50%, -120%);
  background: var(--ink);
  color: var(--paper-on-ink);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 6px 6px;
  z-index: 2000;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); outline: 2px solid var(--brass-bright); }

:focus-visible {
  outline: 2px solid var(--brass-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ============================================================
   Top bar
   ============================================================ */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1rem, 2.4vw, 1.7rem) var(--gutter);
  pointer-events: none;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
.topbar > * { pointer-events: auto; }
.topbar.is-scrolled {
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.topbar.on-ink.is-scrolled {
  background: color-mix(in oklab, var(--ink) 78%, transparent);
  border-bottom-color: var(--line-on-ink);
}

/* Wordmark logo */
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  transition: color 0.4s var(--ease);
}
.topbar.on-ink .brand,
.topbar.on-ink .nav-link,
.topbar.on-ink .lang-btn,
.topbar.on-ink .menu-toggle { color: var(--paper-on-ink); }

.brand__mark {
  width: 34px; height: 34px;
  flex: none;
  display: grid;
  place-items: center;
}
.brand__mark svg { width: 100%; height: 100%; }
.brand__type { display: flex; flex-direction: column; line-height: 1; }
.brand__name {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand__sub {
  font-size: 0.58rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--brass-deep);
  margin-top: 0.28rem;
  font-weight: 600;
}
.topbar.on-ink .brand__sub { color: var(--brass-bright); }

/* Center nav */
.mainnav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2.2rem); }
.nav-link {
  position: relative;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 0.4rem 0;
  background: none; border: 0; cursor: pointer;
  font-family: var(--sans);
  transition: color 0.25s var(--ease);
}
.topbar.on-ink .nav-link { color: var(--paper-on-ink-soft); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-link:hover, .nav-link[aria-current="true"] { color: var(--ink); }
.topbar.on-ink .nav-link:hover,
.topbar.on-ink .nav-link[aria-current="true"] { color: var(--paper-on-ink); }
.nav-link[aria-current="true"]::after,
.nav-link:hover::after { transform: scaleX(1); }

/* Right cluster: language + menu */
.topbar__right { display: flex; align-items: center; gap: 1rem; }

.langswitch {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.2rem;
}
.topbar.on-ink .langswitch { border-color: var(--line-on-ink); }
.lang-btn {
  background: none; border: 0; cursor: pointer;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  transition: all 0.22s var(--ease);
}
.lang-btn[aria-pressed="true"] {
  background: var(--brass);
  color: var(--ink-2);
}
.topbar.on-ink .lang-btn { color: var(--paper-on-ink-soft); }
.topbar.on-ink .lang-btn[aria-pressed="true"] { color: var(--ink-2); }

.menu-toggle { display: none; }

/* Theme-Umschalter (hell/dunkel) */
.theme-toggle {
  background: none; border: 0; cursor: pointer;
  color: var(--ink);
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.theme-toggle:hover { color: var(--brass-deep); background: color-mix(in oklab, var(--ink) 8%, transparent); }
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle__sun { display: none; }
html.dark .theme-toggle__moon { display: none; }
html.dark .theme-toggle__sun { display: block; }
.topbar.on-ink .theme-toggle { color: var(--paper-on-ink); }
html.dark .theme-toggle:hover { background: color-mix(in oklab, var(--paper-on-ink) 12%, transparent); color: var(--brass-bright); }

/* ============================================================
   Slides / scroll snap
   ============================================================ */
.deck {
  height: 100vh;
  height: 100svh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.deck::-webkit-scrollbar { display: none; }

.slide {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  /* "safe": bei Slides, die höher als der Viewport sind, oben ausrichten statt
     zentrieren — sonst rutscht der Inhalt unter den sichtbaren Bereich. */
  align-items: safe center;
  padding: clamp(6rem, 12vh, 9rem) var(--gutter) clamp(3rem, 7vh, 5rem);
  overflow: hidden;
}
.slide--ink { background: var(--ink); color: var(--paper-on-ink); }
.slide__inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
}

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--brass-deep);
  margin-bottom: 1.6rem;
}
.slide--ink .eyebrow { color: var(--brass-bright); }
.eyebrow::before {
  content: "";
  width: 2.4rem; height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow--num::before { display: none; }
.eyebrow__num {
  font-family: var(--serif);
  font-size: 1rem;
  font-style: italic;
  letter-spacing: 0;
}

/* Display headings */
.display {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.005em;
}
.display--xl { font-size: clamp(2.8rem, 6.4vw, 6rem); }
.display--l  { font-size: clamp(2.6rem, 6vw, 5rem); }
.display--m  { font-size: clamp(2rem, 4vw, 3.2rem); }
.display em { font-style: italic; color: var(--brass-deep); }
.slide--ink .display em { color: var(--brass-bright); }

.lead {
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
}
.slide--ink .lead { color: var(--paper-on-ink-soft); }

.body-copy { color: var(--ink-soft); max-width: 54ch; }
.slide--ink .body-copy { color: var(--paper-on-ink-soft); }

/* ============================================================
   Buttons
   ============================================================ */
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.btn {
  --c: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  border: 1px solid var(--c);
  background: transparent;
  color: var(--c);
  cursor: pointer;
  transition: all 0.28s var(--ease);
}
.btn svg { width: 0.9em; height: 0.9em; }
.btn--solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--solid:hover { background: var(--brass); border-color: var(--brass); color: var(--ink-2); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.slide--ink .btn { --c: var(--paper-on-ink); }
.slide--ink .btn--solid { background: var(--brass); border-color: var(--brass); color: var(--ink-2); }
.slide--ink .btn--solid:hover { background: var(--brass-bright); border-color: var(--brass-bright); }
.slide--ink .btn--ghost:hover { background: var(--paper-on-ink); color: var(--ink); }

/* ============================================================
   Hero
   ============================================================ */
.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
}
.hero__content { max-width: 30rem; }
.hero__lead { max-width: 38ch; }
.hero .display--xl { margin: 0 0 1.8rem; }
.hero__lead { margin-bottom: 2.4rem; }
.hero__meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 3rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.hero__meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--brass); }

.hero__figure {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  border-radius: var(--img-radius);
  overflow: hidden;
}

/* Striped image placeholder */
.img-slot {
  position: relative;
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(
      135deg,
      var(--paper-2) 0 14px,
      transparent 14px 28px
    ),
    var(--paper);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.img-slot__label {
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-align: center;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--paper) 86%, transparent);
}
.slide--ink .img-slot {
  background:
    repeating-linear-gradient(135deg, rgba(239,233,220,0.06) 0 14px, transparent 14px 28px),
    var(--ink-2);
}
.slide--ink .img-slot__label { color: var(--paper-on-ink-faint); border-color: var(--line-on-ink); background: transparent; }

.hero__figure .img-slot::after {
  content: "";
  position: absolute;
  top: 1rem; right: 1rem;
  width: 42px; height: 42px;
  border-top: 1px solid var(--brass);
  border-right: 1px solid var(--brass);
}

/* ============================================================
   About — points
   ============================================================ */
.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); align-items: start; }
.about__lead-col .display--l { margin-bottom: 1.6rem; }
.about__copy p + p { margin-top: 1.1rem; }

.points { list-style: none; margin: 2.4rem 0 0; padding: 0; display: grid; gap: 0; }
.point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.point:last-child { border-bottom: 1px solid var(--line); }
.point__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--brass-deep);
}
.point__title { font-weight: 600; font-size: 1.02rem; margin-bottom: 0.2rem; margin-right: 0.6rem; }
.point__desc { color: var(--ink-soft); font-size: 0.95rem; }

/* ============================================================
   Service slides (two-column with big number)
   ============================================================ */
.service__inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem,5vw,6rem); align-items: center; }
.service__index {
  font-family: var(--serif);
  font-size: clamp(7rem, 16vw, 16rem);
  line-height: 0.8;
  font-weight: 500;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  letter-spacing: -0.02em;
}
.slide--ink .service__index { -webkit-text-stroke-color: var(--line-on-ink); }
.service__index sup { font-size: 0.28em; vertical-align: super; -webkit-text-stroke: 1px var(--brass); }

.service__head .display--l { margin: 0.4rem 0 1.4rem; }
.service__list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 0; }
.service__list li {
  display: flex; align-items: baseline; gap: 0.9rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  font-size: 1rem;
}
.slide--ink .service__list li { border-top-color: var(--line-on-ink); }
.service__list li::before {
  content: "";
  width: 6px; height: 6px;
  flex: none;
  transform: translateY(-2px) rotate(45deg);
  background: var(--brass);
}

.service__figure { position: relative; aspect-ratio: 16/11; border: 1px solid var(--line); border-radius: var(--img-radius); overflow: hidden; }
.slide--ink .service__figure { border-color: var(--line-on-ink); }
.service__figure--photo img,
.hero__figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* Hochformat-Figur: Ausschnitt leicht nach rechts (Fernrohr / Stadtsilhouette) */
.hero__figure img { object-position: 60% 50%; }
figure.hero__figure, figure.service__figure { margin: 0; }

/* KI-Bildhinweis (kleine Unterschrift, auf dem Bild) */
.img-credit {
  position: absolute;
  bottom: 0.6rem; right: 0.6rem;
  font-size: 0.62rem; letter-spacing: 0.03em;
  color: #fff;
  background: rgba(15, 26, 36, 0.55);
  backdrop-filter: blur(4px);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  pointer-events: none;
}

/* ============================================================
   Platforms
   ============================================================ */
.platforms__head { margin-bottom: clamp(2rem,4vw,3.5rem); max-width: 52ch; }
.platforms__head .display--l { margin: 0.4rem 0 1.2rem; }
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.platform {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-on-ink);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  min-height: 300px;
  transition: border-color 0.3s var(--ease), transform 0.4s var(--ease);
}
.platform:hover { border-color: var(--brass); transform: translateY(-4px); }
.platform__tag {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--brass-bright); font-weight: 600;
}
.platform__name {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  font-weight: 500;
  margin: 1.4rem 0 0.4rem;
}
.platform__name .dotcom { color: var(--brass-bright); font-style: italic; }
.platform__desc { color: var(--paper-on-ink-soft); margin-top: 0.6rem; }
.platform__link {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding-top: 1.8rem;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.03em;
  color: var(--paper-on-ink);
}
.platform__link svg { width: 0.85em; transition: transform 0.3s var(--ease); }
.platform:hover .platform__link svg { transform: translate(3px, -3px); }

/* Platform — feature card extras */
.platform__kicker {
  font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--paper-on-ink-soft); font-weight: 600;
  margin-top: 1.3rem;
}
.platform--feature .platform__name { margin: 0.35rem 0 0; }
.platform__tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.18;
  color: var(--brass-bright);
  margin: 0.5rem 0 0.2rem;
}

/* ============================================================
   Werkzeuge, Technologien & Services — dimensions grid
   ============================================================ */
.slide--dimensions .slide__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.2vw, 1.8rem);
}
.slide--dimensions .eyebrow { margin-bottom: 0.8rem; }
.dim-head {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}
.dim-head__title .service__index { font-size: clamp(2.8rem, 5vw, 5rem); margin-bottom: 0; line-height: 0.78; }
.dim-head__title .display--m { margin-top: 0.4rem; }
.dim-head__intro { max-width: 42ch; }
.dim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.dim {
  padding: clamp(1.1rem, 2vw, 1.6rem) clamp(1.5rem, 2.4vw, 2.4rem) clamp(1.3rem, 2.2vw, 1.9rem);
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.dim:nth-child(3n + 1) { padding-left: 0; }   /* erste Spalte bündig mit Überschrift */
.dim:nth-child(3n) { border-right: 0; padding-right: 0; }
.dim__num {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--brass-deep);
  margin-bottom: 0.7rem;
}
.dim__title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.4rem; }
.dim__desc { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.5; max-width: 42ch; }
.dim-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.95rem);
  line-height: 1.3;
  color: var(--ink);
  max-width: 44ch;
}
.dim-tagline::before {
  content: "";
  display: block;
  width: 2.4rem; height: 1px;
  background: var(--brass);
  margin-bottom: 1rem;
}

/* ============================================================
   Contact
   ============================================================ */
.contact__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,5rem); align-items: center; }
.contact .display--l { margin: 0.4rem 0 1.6rem; }
.contact__details { display: grid; gap: 1.5rem; margin-top: 2rem; }
.cdetail { display: grid; gap: 0.3rem; }
.cdetail__label {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--paper-on-ink-faint); font-weight: 600;
}
.cdetail__value { font-size: 1.15rem; }
.cdetail__value a { border-bottom: 1px solid var(--line-on-ink); transition: border-color 0.25s; }
.cdetail__value a:hover { border-color: var(--brass-bright); }
.contact__card {
  border: 1px solid var(--line-on-ink);
  padding: clamp(1.8rem, 3.5vw, 3rem);
  background: color-mix(in oklab, var(--ink-2) 60%, transparent);
}
.contact__card .display--m { margin-bottom: 1.2rem; }

/* Footer strip inside contact */
.footer-strip {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.4rem var(--gutter);
  border-top: 1px solid var(--line-on-ink);
  font-size: 0.8rem;
  color: var(--paper-on-ink-soft);
}
.footer-strip__links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-strip button {
  background: none; border: 0; cursor: pointer; color: inherit;
  font-family: var(--sans); font-size: inherit; letter-spacing: 0.02em;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: border-color 0.25s, color 0.25s;
}
.footer-strip button:hover { color: var(--paper-on-ink); border-bottom-color: var(--brass-bright); }

/* ============================================================
   Side dot navigation
   ============================================================ */
.dotnav {
  position: fixed;
  right: clamp(1rem, 2vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 800;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.dotnav__item {
  position: relative;
  width: 12px; height: 12px;
  display: grid; place-items: center;
  background: none; border: 0; cursor: pointer;
}
.dotnav__item::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid var(--ink-faint);
  transition: all 0.3s var(--ease);
}
.deck.on-ink ~ .dotnav .dotnav__item::before { border-color: var(--paper-on-ink-faint); }
.dotnav__item[aria-current="true"]::before {
  background: var(--brass);
  border-color: var(--brass);
  transform: scale(1.5);
}
.dotnav__label {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  white-space: nowrap;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  background: var(--ink);
  color: var(--paper-on-ink);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}
.dotnav__item:hover .dotnav__label,
.dotnav__item:focus-visible .dotnav__label { opacity: 1; transform: translateY(-50%) translateX(0); }

/* Scroll hint */
.scroll-hint {
  position: fixed;
  bottom: 1.6rem; left: 50%;
  transform: translateX(-50%);
  z-index: 700;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-faint);
  transition: opacity 0.5s var(--ease), color 0.4s var(--ease);
}
.deck.on-ink ~ .scroll-hint { color: var(--paper-on-ink-faint); }
.scroll-hint.is-hidden { opacity: 0; pointer-events: none; }
.scroll-hint__line { width: 1px; height: 34px; background: currentColor; position: relative; overflow: hidden; }
.scroll-hint__line::after {
  content: ""; position: absolute; inset: 0;
  background: var(--brass);
  animation: scrollPulse 2.2s var(--ease) infinite;
}
@keyframes scrollPulse {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}

/* ============================================================
   Entrance animations
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  [data-anim] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
    transition-delay: var(--d, 0s);
  }
  .slide[data-active] [data-anim] { opacity: 1; transform: none; }
}

/* ============================================================
   Legal modal
   ============================================================ */
.modal {
  position: fixed; inset: 0; z-index: 1500;
  display: grid;
  place-items: stretch;
  background: color-mix(in oklab, var(--ink-2) 60%, transparent);
  backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
  padding: clamp(1rem, 4vw, 3rem);
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__dialog {
  background: var(--paper);
  color: var(--ink);
  max-width: 900px;
  width: 100%;
  margin: auto;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  transform: translateY(20px);
  transition: transform 0.45s var(--ease);
}
.modal.is-open .modal__dialog { transform: none; }
.modal__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.6rem clamp(1.6rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
}
.modal__title { font-family: var(--serif); font-size: 1.8rem; font-weight: 500; }
.modal__close {
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: none; cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.25s var(--ease);
}
.modal__close:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.modal__close svg { width: 16px; height: 16px; }
.modal__tabs {
  display: flex; gap: 0.5rem;
  padding: 0 clamp(1.6rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}
.modal__tab {
  background: none; border: 0; cursor: pointer;
  font-family: var(--sans); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.04em;
  padding: 1rem 0.4rem; margin-right: 1.4rem;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
  transition: all 0.25s var(--ease);
}
.modal__tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--brass); }
.modal__body {
  padding: clamp(1.6rem, 4vw, 3rem);
  overflow-y: auto;
}
.legal-panel[hidden] { display: none; }
.legal-panel h3 {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 500;
  margin: 2rem 0 0.7rem;
}
.legal-panel h3:first-child { margin-top: 0; }
.legal-panel p, .legal-panel li { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.7; }
.legal-panel p + p { margin-top: 0.8rem; }
.legal-panel ul { margin: 0.6rem 0; padding-left: 1.2rem; }
.legal-panel li { margin-bottom: 0.3rem; }
.legal-panel strong { color: var(--ink); font-weight: 600; }
.legal-panel .muted { color: var(--ink-faint); font-size: 0.82rem; }
.legal-grid { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1.6rem; margin: 0.6rem 0; }
.legal-grid dt { color: var(--ink-faint); font-size: 0.85rem; }
.legal-grid dd { margin: 0; font-size: 0.95rem; }

/* ============================================================
   Tweaks panel
   ============================================================ */
.tweaks {
  position: fixed;
  bottom: 1.4rem; left: 1.4rem;
  z-index: 1200;
  width: 270px;
  background: var(--ink);
  color: var(--paper-on-ink);
  border: 1px solid var(--line-on-ink);
  border-radius: 10px;
  padding: 1.1rem 1.2rem 1.3rem;
  box-shadow: 0 18px 50px rgba(15,26,36,0.35);
  font-size: 0.85rem;
  transform: translateY(calc(100% + 2rem));
  transition: transform 0.45s var(--ease);
}
.tweaks.is-visible { transform: none; }
.tweaks__title {
  font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--brass-bright); font-weight: 600; margin-bottom: 1rem;
}
.tweaks__row { margin-bottom: 1.1rem; }
.tweaks__row:last-child { margin-bottom: 0; }
.tweaks__label {
  display: block; font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--paper-on-ink-soft); margin-bottom: 0.5rem;
}
.swatches { display: flex; gap: 0.5rem; }
.swatch {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--line-on-ink); cursor: pointer;
  transition: transform 0.2s var(--ease);
}
.swatch[aria-pressed="true"] { outline: 2px solid var(--paper-on-ink); outline-offset: 2px; }
.swatch:hover { transform: scale(1.1); }
.seg { display: flex; border: 1px solid var(--line-on-ink); border-radius: 6px; overflow: hidden; }
.seg button {
  flex: 1; background: none; border: 0; cursor: pointer;
  color: var(--paper-on-ink-soft); font-family: var(--sans);
  font-size: 0.74rem; padding: 0.5rem; transition: all 0.2s;
}
.seg button[aria-pressed="true"] { background: var(--brass); color: var(--ink-2); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .mainnav { display: none; }
  .menu-toggle {
    display: grid; place-items: center;
    width: 44px; height: 44px;
    background: none; border: 1px solid var(--line-strong);
    border-radius: 50%; cursor: pointer; color: var(--ink);
  }
  .hero__inner, .about__inner, .service__inner, .contact__inner { grid-template-columns: 1fr; }
  .hero__figure, .service__figure { display: none; }
  .platform-grid { grid-template-columns: 1fr; }
  .dim-head { grid-template-columns: 1fr; gap: 1rem; align-items: start; }
  .dim-grid { grid-template-columns: repeat(2, 1fr); }
  .dim-grid .dim { border-right: 1px solid var(--line); padding-left: clamp(1.5rem, 3vw, 2.4rem); padding-right: clamp(1.5rem, 3vw, 2.4rem); }
  .dim-grid .dim:nth-child(odd) { padding-left: 0; }
  .dim-grid .dim:nth-child(even) { border-right: 0; padding-right: 0; }
  .dotnav { display: none; }
  .brand__name { font-size: 1.25rem; }

  /* Mobile menu drawer */
  .mobile-menu {
    position: fixed; inset: 0; z-index: 950;
    background: var(--ink); color: var(--paper-on-ink);
    display: flex; flex-direction: column;
    justify-content: center;
    padding: var(--gutter);
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    visibility: hidden;
  }
  .mobile-menu.is-open { transform: none; visibility: visible; }
  .mobile-menu .nav-link {
    font-family: var(--serif); font-size: 2rem; color: var(--paper-on-ink);
    text-align: left;
  }
  .mobile-menu .nav-link::after { display: none; }
  .mobile-menu__close {
    position: absolute; top: 1.4rem; right: var(--gutter);
    width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid var(--line-on-ink); background: none;
    color: var(--paper-on-ink); cursor: pointer;
  }
}
@media (min-width: 981px) { .mobile-menu { display: none; } }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .about__inner, .contact__inner { gap: 2rem; }
  .dim-grid { grid-template-columns: 1fr; }
  .dim-grid .dim { border-right: 0; padding-left: 0; padding-right: 0; }
  .footer-strip { position: static; }
  .slide--contact { padding-bottom: 0; }
  .langswitch { padding: 0.15rem; }
  .lang-btn { padding: 0.3rem 0.45rem; font-size: 0.68rem; }
}

@media (prefers-reduced-motion: reduce) {
  .deck { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; }
}

/* ============================================================
   Scroll-up (Zum Seitenanfang)
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 1.5rem;
  right: calc(1.4rem + 58px + 0.7rem);
  z-index: 1100;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklab, var(--paper) 80%, transparent);
  backdrop-filter: blur(8px);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease),
              background 0.3s, color 0.3s, border-color 0.3s;
}
.scroll-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.scroll-top:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.scroll-top svg { width: 18px; height: 18px; }
.deck.on-ink ~ .scroll-top {
  background: color-mix(in oklab, var(--ink) 70%, transparent);
  color: var(--paper-on-ink);
  border-color: var(--line-on-ink);
}
.deck.on-ink ~ .scroll-top:hover { background: var(--paper-on-ink); color: var(--ink); border-color: var(--paper-on-ink); }

/* ============================================================
   Barrierefreiheit — fix verankertes Panel (WCAG 2.1 AA)
   ============================================================ */
.a11y-panel { position: fixed; bottom: 1.4rem; right: 1.4rem; z-index: 1100; }
.a11y-toggle {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper-on-ink);
  border: 1px solid var(--line-on-ink);
  cursor: pointer;
  display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(15, 26, 36, 0.28);
  transition: background 0.25s var(--ease), transform 0.2s var(--ease);
}
.a11y-toggle svg { width: 30px; height: 30px; }
.a11y-toggle:hover { background: var(--brass); color: var(--ink-2); transform: translateY(-2px); }
.a11y-optionen {
  display: none;
  position: absolute;
  bottom: 70px; right: 0;
  width: min(280px, calc(100vw - 2.8rem));
  background: var(--ink);
  color: var(--paper-on-ink);
  border: 1px solid var(--line-on-ink);
  border-radius: 10px;
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: 0 18px 50px rgba(15, 26, 36, 0.4);
}
.a11y-optionen[data-open="true"] { display: block; }
.a11y-optionen__titel {
  font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--brass-bright); font-weight: 600; margin-bottom: 0.9rem;
}
.a11y-option {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.6rem 0; font-size: 0.9rem;
}
.a11y-option + .a11y-option { border-top: 1px solid var(--line-on-ink); }
.a11y-schalter {
  width: 44px; height: 24px; flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid var(--line-on-ink);
  background: rgba(239, 233, 220, 0.18);
  cursor: pointer; position: relative;
  transition: background 0.2s var(--ease);
}
.a11y-schalter[aria-checked="true"] { background: var(--brass); border-color: var(--brass); }
.a11y-schalter::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--paper-on-ink);
  transition: transform 0.2s var(--ease);
}
.a11y-schalter[aria-checked="true"]::after { transform: translateX(20px); background: var(--ink-2); }
/* Lange Labels (z. B. "Farbenfehlsichtigkeit") umbrechen, Schalter bleibt im Panel */
.a11y-option > span:first-child { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; hyphens: auto; }

/* Zurücksetzen-Button */
.a11y-reset {
  display: inline-flex; align-items: center; gap: 0.5rem;
  width: 100%; margin-top: 0.8rem; padding-top: 0.9rem;
  border: 0; border-top: 1px solid var(--line-on-ink);
  background: none; cursor: pointer; text-align: left;
  color: var(--paper-on-ink-soft);
  font-family: var(--sans); font-size: 0.82rem; letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}
.a11y-reset:hover { color: var(--brass-bright); }
.a11y-reset svg { width: 15px; height: 15px; flex: none; }

/* --- Modus: Grosse Schrift --- */
html.grosse-schrift body { font-size: 20px; }
html.grosse-schrift .lead { font-size: clamp(1.2rem, 1.7vw, 1.5rem); }
html.grosse-schrift .dim__desc,
html.grosse-schrift .point__desc,
html.grosse-schrift .service__list li { font-size: 1.05rem; }

/* --- Modus: Hoher Kontrast --- */
html.hoher-kontrast {
  --paper: #ffffff; --paper-2: #ededed;
  --ink: #000000; --ink-2: #000000;
  --ink-soft: #000000; --ink-faint: #1c1c1c;
  --line: #000000; --line-strong: #000000;
  --paper-on-ink: #ffffff; --paper-on-ink-soft: #ffffff; --paper-on-ink-faint: #dcdcdc;
  --line-on-ink: #ffffff;
  --brass: #7a5e12; --brass-bright: #ffdf6b; --brass-deep: #5e4708;
}
html.hoher-kontrast body { background: #ffffff; }
html.hoher-kontrast .slide--ink { background: #000000; }

/* --- Modus: Dyslexie-Schrift (OpenDyslexic) --- */
html.dyslexie-schrift {
  --serif: "OpenDyslexic", "Cormorant Garamond", serif;
  --sans:  "OpenDyslexic", system-ui, sans-serif;
}
html.dyslexie-schrift body { letter-spacing: 0.02em; line-height: 1.85; word-spacing: 0.06em; }
html.dyslexie-schrift .display { line-height: 1.2; }

/* --- Modus: Farbenfehlsichtigkeit — redundante, nicht nur farbliche Hinweise --- */
html.farbenblind a { text-decoration: underline; text-underline-offset: 0.16em; }
html.farbenblind .nav-link[aria-current="true"]::after,
html.farbenblind .nav-link:hover::after { height: 2px; }
html.farbenblind .lang-btn[aria-pressed="true"],
html.farbenblind .seg button[aria-pressed="true"],
html.farbenblind .swatch[aria-pressed="true"],
html.farbenblind .a11y-schalter[aria-checked="true"],
html.farbenblind .modal__tab[aria-selected="true"] { outline: 2px solid currentColor; outline-offset: 1px; }
html.farbenblind .dotnav__item[aria-current="true"]::before { box-shadow: 0 0 0 2px currentColor; }

/* ============================================================
   Cookie-Hinweis
   ============================================================ */
.cookie-note {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translate(-50%, calc(100% + 2rem));
  z-index: 1300;
  width: min(640px, calc(100vw - 2rem));
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  background: var(--ink);
  color: var(--paper-on-ink);
  border: 1px solid var(--line-on-ink);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  box-shadow: 0 18px 50px rgba(15, 26, 36, 0.4);
  font-size: 0.86rem;
  line-height: 1.55;
  transition: transform 0.5s var(--ease);
}
.cookie-note.is-visible { transform: translate(-50%, 0); }
.cookie-note__text { flex: 1 1 16rem; color: var(--paper-on-ink-soft); }
.cookie-note__text a { color: var(--paper-on-ink); border-bottom: 1px solid var(--brass-bright); }
.cookie-note__actions { display: flex; gap: 0.6rem; flex: 0 0 auto; }
.cookie-note__btn {
  font-family: var(--sans); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 0.6rem 1.2rem; border-radius: 999px; cursor: pointer;
  background: var(--brass); color: var(--ink-2); border: 1px solid var(--brass);
  transition: background 0.25s var(--ease);
}
.cookie-note__btn:hover { background: var(--brass-bright); border-color: var(--brass-bright); }
@media (max-width: 560px) {
  .cookie-note { bottom: 0.8rem; }
  .cookie-note__actions { width: 100%; }
  .cookie-note__btn { flex: 1; }
}

/* ============================================================
   Dunkelmodus
   ============================================================ */
html.dark { color-scheme: dark; }
html.dark body { background: #15222e; color: var(--paper-on-ink); }

/* Flächen: vormals dunkle (ink) Slides noch etwas tiefer */
html.dark .slide--ink { background: #0c1721; }

/* Inhalt auf vormals hellen Slides -> hell */
html.dark .slide { color: var(--paper-on-ink); }
html.dark .eyebrow { color: var(--brass-bright); }
html.dark .lead,
html.dark .body-copy,
html.dark .point__desc,
html.dark .dim__desc { color: var(--paper-on-ink-soft); }
html.dark .display em { color: var(--brass-bright); }
html.dark .point__title { color: var(--paper-on-ink); }
html.dark .point__num,
html.dark .dim__num { color: var(--brass-bright); }
html.dark .point { border-top-color: var(--line-on-ink); }
html.dark .point:last-child { border-bottom-color: var(--line-on-ink); }
html.dark .service__list li { border-top-color: var(--line-on-ink); }
html.dark .dim-grid { border-top-color: var(--line-on-ink); }
html.dark .dim { border-bottom-color: var(--line-on-ink); border-right-color: var(--line-on-ink); }
html.dark .dim-tagline { color: var(--paper-on-ink); }
html.dark .service__index { -webkit-text-stroke-color: var(--line-on-ink); }
html.dark .hero__meta { color: var(--paper-on-ink-faint); }
html.dark .scroll-hint { color: var(--paper-on-ink-faint); }

/* Buttons auf hellen Slides */
html.dark .btn { --c: var(--paper-on-ink); }
html.dark .btn--solid { background: var(--brass); border-color: var(--brass); color: var(--ink-2); }
html.dark .btn--solid:hover { background: var(--brass-bright); border-color: var(--brass-bright); }
html.dark .btn--ghost:hover { background: var(--paper-on-ink); color: var(--ink); }

/* Bild-Rahmen */
html.dark .hero__figure,
html.dark .service__figure { border-color: var(--line-on-ink); }

/* Topbar -> immer helle Schrift */
html.dark .brand,
html.dark .menu-toggle,
html.dark .theme-toggle { color: var(--paper-on-ink); }
html.dark .brand__sub { color: var(--brass-bright); }
html.dark .nav-link { color: var(--paper-on-ink-soft); }
html.dark .nav-link:hover,
html.dark .nav-link[aria-current="true"] { color: var(--paper-on-ink); }
html.dark .langswitch { border-color: var(--line-on-ink); }
html.dark .lang-btn { color: var(--paper-on-ink-soft); }
html.dark .lang-btn[aria-pressed="true"] { color: var(--ink-2); }
html.dark .topbar.is-scrolled {
  background: color-mix(in oklab, #15222e 84%, transparent);
  border-bottom-color: var(--line-on-ink);
}

/* Dot-Nav + Scroll-up */
html.dark .dotnav__item::before { border-color: var(--paper-on-ink-faint); }
html.dark .scroll-top {
  background: color-mix(in oklab, #15222e 72%, transparent);
  color: var(--paper-on-ink);
  border-color: var(--line-on-ink);
}
html.dark .scroll-top:hover { background: var(--paper-on-ink); color: var(--ink); border-color: var(--paper-on-ink); }

/* Legal-Modal dunkel */
html.dark .modal { background: color-mix(in oklab, #000 55%, transparent); }
html.dark .modal__dialog { background: #15222e; color: var(--paper-on-ink); border-color: var(--line-on-ink); }
html.dark .modal__head,
html.dark .modal__tabs { border-bottom-color: var(--line-on-ink); }
html.dark .modal__title { color: var(--paper-on-ink); }
html.dark .modal__tab { color: var(--paper-on-ink-soft); }
html.dark .modal__tab[aria-selected="true"] { color: var(--paper-on-ink); }
html.dark .modal__close { border-color: var(--line-on-ink); color: var(--paper-on-ink); }
html.dark .modal__close:hover { background: var(--paper-on-ink); color: var(--ink); border-color: var(--paper-on-ink); }
html.dark .legal-panel h3,
html.dark .legal-panel strong { color: var(--paper-on-ink); }
html.dark .legal-panel p,
html.dark .legal-panel li { color: var(--paper-on-ink-soft); }
html.dark .legal-grid dt,
html.dark .legal-panel .muted { color: var(--paper-on-ink-faint); }
html.dark .legal-panel a { color: var(--paper-on-ink); }

/* Print */
@media print {
  .topbar, .dotnav, .scroll-hint, .scroll-top, .a11y-panel, .cookie-note, .tweaks, .footer-strip { display: none; }
  .deck { height: auto; overflow: visible; }
  .slide { min-height: auto; page-break-after: always; }
}