/* =====================================================================
   marcoweber.eu – Stylesheet
   1  Schrift
   2  Tokens (hell / dunkel)
   3  Grundlagen
   4  Layout-Hüllen
   5  Typografie
   6  Kopfbereich und Navigation
   7  Schaltflächen
   8  Hero: Porträt, Grundsätze, Kontaktdaten
   9  QR-Code
   10 Offlineschalter
   11 Formular
   12 Textseiten, 404, Offline
   13 Fußbereich
   14 Bewegung und Seitenübergänge
   15 Systemkontrast (forced-colors)
   16 Druck
   17 Easter Egg
   ===================================================================== */

/* -- 1  Schrift ------------------------------------------------------ */

@font-face {
  font-family: 'Inter var';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  /* Pfad relativ zum Stylesheet – funktioniert unabhängig von der Seitenadresse. */
  src: url('../fonts/inter-var-latin.woff2') format('woff2-variations');
  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;
}

/* -- 2  Tokens ------------------------------------------------------- */

:root {
  --bg:          #FFFFFF;
  --bg-sunken:   #F5F8FA;
  --surface:     #FFFFFF;
  --ink:         #0A1B36;
  --text:        #33455C;
  --muted:       #5C6E85;
  --hairline:    #E1E8EF;
  --rule:        #0A1B36;
  --border:      #8595A8;
  --accent:      #0B6E8F;
  --accent-hi:   #0E8AB2;
  --accent-wash: #EAF4F8;
  --ok:          #1F6A3C;
  --ok-wash:     #ECF6F0;
  --err:         #98221F;
  --err-wash:    #FBEEEE;

  --shadow-sm: 0 1px 2px rgba(10, 27, 54, .05);
  --shadow-md: 0 4px 16px -4px rgba(10, 27, 54, .10);
  --shadow-lg: 0 30px 60px -26px rgba(10, 27, 54, .30);

  --brand-line: linear-gradient(90deg, #0A1B36 0%, #0E8AB2 36%, #58A45B 70%, #EFB92E 100%);

  --shell:      1180px;
  --shell-pad:  clamp(1.25rem, 5vw, 2.75rem);
  --radius:     3px;

  --font: 'Inter var', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --root-size: 100%;

  --ease: cubic-bezier(.22, .68, .24, 1);
  color-scheme: light;
}

:root[data-font="large"]  { --root-size: 112.5%; }
:root[data-font="larger"] { --root-size: 125%; }

/* Eine Definition, zweimal angewandt: über die Systemeinstellung und über
   den Umschalter. So bleiben die Werte an einer Stelle pflegbar. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:          #0A1220;
    --bg-sunken:   #0E1728;
    --surface:     #111C2E;
    --ink:         #EEF4FA;
    --text:        #BCCBDB;
    --muted:       #8CA0B6;
    --hairline:    #1E2C42;
    --rule:        #5CC8EC;
    --border:      #5A7096;
    --accent:      #5CC8EC;
    --accent-hi:   #7FD8F5;
    --accent-wash: #14273A;
    --ok:          #6EDB9C;
    --ok-wash:     #10251A;
    --err:         #FF9F98;
    --err-wash:    #2A1414;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .34);
    --shadow-md: 0 4px 16px -4px rgba(0, 0, 0, .48);
    --shadow-lg: 0 30px 60px -26px rgba(0, 0, 0, .74);
    --brand-line: linear-gradient(90deg, #5CC8EC 0%, #7FD8F5 34%, #8FD48F 70%, #F7D473 100%);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg:          #0A1220;
  --bg-sunken:   #0E1728;
  --surface:     #111C2E;
  --ink:         #EEF4FA;
  --text:        #BCCBDB;
  --muted:       #8CA0B6;
  --hairline:    #1E2C42;
  --rule:        #5CC8EC;
  --border:      #5A7096;
  --accent:      #5CC8EC;
  --accent-hi:   #7FD8F5;
  --accent-wash: #14273A;
  --ok:          #6EDB9C;
  --ok-wash:     #10251A;
  --err:         #FF9F98;
  --err-wash:    #2A1414;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .34);
  --shadow-md: 0 4px 16px -4px rgba(0, 0, 0, .48);
  --shadow-lg: 0 30px 60px -26px rgba(0, 0, 0, .74);
  --brand-line: linear-gradient(90deg, #5CC8EC 0%, #7FD8F5 34%, #8FD48F 70%, #F7D473 100%);
  color-scheme: dark;
}

/* -- 3  Grundlagen --------------------------------------------------- */

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

html {
  font-size: var(--root-size);
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  font-feature-settings: 'cv05' 1, 'cv08' 1, 'ss03' 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }

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

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

::selection { background: var(--accent); color: var(--bg); }

.icon { width: 1.25em; height: 1.25em; flex: none; }
.icon--tiny { width: .85em; height: .85em; opacity: .55; }
.icon--eyebrow { width: 1.05em; height: 1.05em; vertical-align: -.18em; margin-right: .45rem; }

.skip-link {
  position: fixed;
  top: .75rem; left: .75rem;
  z-index: 200;
  transform: translateY(-200%);
  background: var(--ink);
  color: var(--bg);
  padding: .7rem 1.1rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
}
.skip-link:focus { transform: translateY(0); }

/* -- 4  Layout-Hüllen ------------------------------------------------ */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}
.shell--narrow { max-width: 820px; }

.band {
  border-top: 1px solid var(--hairline);
  padding-block: clamp(3rem, 6vw, 5.5rem);
}
.band--form { background: var(--bg-sunken); }
.band--offline { background: var(--bg-sunken); }

.band__head { max-width: 48ch; margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem); }
.band__lead { margin: .75rem 0 0; color: var(--muted); font-size: 1.0625rem; max-width: 54ch; }

/* -- 5  Typografie --------------------------------------------------- */

h1, h2, h3 {
  color: var(--ink);
  font-weight: 620;
  line-height: 1.12;
  letter-spacing: -.022em;
  margin: 0;
  text-wrap: balance;
}

.band__title { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
.band__title--small { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }

.eyebrow {
  margin: 0 0 .9rem;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.4;
}

p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--ink); }

/* -- 6  Kopfbereich -------------------------------------------------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  border-bottom: 1px solid var(--hairline);
  transition: box-shadow .3s var(--ease);
  view-transition-name: masthead;
}
@supports (backdrop-filter: blur(1px)) {
  .masthead { backdrop-filter: saturate(150%) blur(14px); }
}
.masthead[data-scrolled="true"] { box-shadow: var(--shadow-sm); }

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.brand { display: inline-flex; flex: none; border-radius: var(--radius); }
.brand img { width: clamp(146px, 19vw, 180px); height: auto; transition: opacity .2s var(--ease); }
.brand:hover img { opacity: .82; }

/* Die Wortmarke ist dunkelblau auf transparent. In der dunklen Darstellung
   bekommt sie deshalb eine helle Trägerfläche statt einer Farbumkehr. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand {
    padding: .35rem .6rem; background: #FFFFFF;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .14);
  }
}
:root[data-theme="dark"] .brand {
  padding: .35rem .6rem; background: #FFFFFF;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .14);
}
:root[data-theme="light"] .brand { padding: 0; background: none; box-shadow: none; }

.masthead__toggle { display: none; }

.masthead__menu { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 1.75rem); }

.mainnav { display: flex; gap: clamp(.9rem, 1.8vw, 1.6rem); }
.mainnav a {
  color: var(--text);
  font-size: .9375rem;
  font-weight: 500;
  text-decoration: none;
  padding: .3rem 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.mainnav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.mainnav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.prefs {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-left: clamp(.75rem, 2vw, 1.4rem);
  border-left: 1px solid var(--hairline);
}

.langswitch__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.langswitch ul {
  display: flex; gap: .1rem;
  margin: 0; padding: .2rem;
  list-style: none;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--surface);
}
.langswitch a {
  display: block;
  padding: .28rem .58rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: .75rem; font-weight: 600; letter-spacing: .04em;
  text-decoration: none; line-height: 1.35;
}
.langswitch a:hover { color: var(--ink); background: var(--bg-sunken); }
.langswitch a[aria-current="true"] { background: var(--ink); color: var(--bg); }

.iconbtn {
  display: inline-flex; align-items: center; gap: .45rem;
  min-height: 2.25rem; padding: .35rem .7rem;
  border: 1px solid var(--hairline); border-radius: 999px;
  background: var(--surface); color: var(--muted);
  font: inherit; font-size: .78rem; font-weight: 550;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.iconbtn:hover { color: var(--ink); border-color: var(--border); }
.iconbtn--square { padding: .35rem; width: 2.25rem; justify-content: center; }
.iconbtn .icon { width: 1.05rem; height: 1.05rem; }

.icon--moon { display: none; }
:root[data-theme="dark"] .icon--sun  { display: none; }
:root[data-theme="dark"] .icon--moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon--sun  { display: none; }
  :root:not([data-theme="light"]) .icon--moon { display: block; }
}

@media (max-width: 980px) {
  .masthead__inner { min-height: 4rem; }
  .masthead__toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 2.75rem; height: 2.75rem; margin-right: -.5rem;
    border: 1px solid var(--hairline); border-radius: var(--radius);
    background: var(--surface); color: var(--ink); cursor: pointer;
  }
  .masthead__toggle .icon--close { display: none; }
  .masthead__toggle[aria-expanded="true"] .icon--menu  { display: none; }
  .masthead__toggle[aria-expanded="true"] .icon--close { display: block; }

  .masthead__menu {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: .5rem var(--shell-pad) 1.25rem;
    background: var(--bg); border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-lg);
    visibility: hidden; opacity: 0; transform: translateY(-.5rem);
    transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
  }
  .masthead__menu[data-open="true"] { visibility: visible; opacity: 1; transform: none; }

  .mainnav { flex-direction: column; gap: 0; }
  .mainnav a { padding: .85rem 0; border-bottom: 1px solid var(--hairline); font-size: 1.0625rem; }
  .mainnav a:hover, .mainnav a[aria-current="page"] { border-bottom-color: var(--hairline); }

  .prefs { justify-content: space-between; padding: 1.1rem 0 0; border-left: 0; }
}

/* -- 7  Schaltflächen ------------------------------------------------ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 3rem; padding: .8rem 1.35rem;
  border: 1px solid transparent; border-radius: var(--radius);
  font: inherit; font-size: .9375rem; font-weight: 550; letter-spacing: -.003em;
  text-decoration: none; cursor: pointer;
  transition: background .22s var(--ease), border-color .22s var(--ease),
              color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--solid {
  background: var(--ink); border-color: var(--ink); color: var(--bg);
  box-shadow: var(--shadow-md);
}
.btn--solid:hover { background: var(--accent); border-color: var(--accent); color: var(--surface); }
:root[data-theme="dark"] .btn--solid:hover { color: #06121F; }

.btn--ghost { background: var(--surface); border-color: var(--border); color: var(--ink); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn__arrow { transition: transform .28s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }

.chip {
  display: inline-flex; align-items: center; gap: .5rem;
  min-height: 2.75rem; padding: .55rem 1rem;
  border: 1px solid var(--hairline); border-radius: 999px;
  background: var(--surface); color: var(--ink);
  font: inherit; font-size: .875rem; font-weight: 500;
  text-decoration: none; cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: border-color .22s var(--ease), transform .22s var(--ease), color .22s var(--ease);
}
.chip:hover { border-color: var(--border); transform: translateY(-1px); color: var(--accent); }
.chip .icon { width: 1.05rem; height: 1.05rem; color: var(--accent); }

/* -- 8  Hero --------------------------------------------------------- */

.hero { padding-block: clamp(2.5rem, 5vw, 4.25rem) clamp(3rem, 6vw, 5rem); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(300px, .88fr) minmax(430px, 1.12fr);
  align-items: center;
  gap: 0;
}

.hero__figure {
  display: flex; flex-direction: column; justify-content: center;
  align-self: stretch;
  border-right: 2px solid var(--rule);
  padding-right: clamp(2rem, 5vw, 4.25rem);
  view-transition-name: portrait;
}

.portrait {
  position: relative;
  width: min(340px, 74vw);
  aspect-ratio: 1;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
}
.portrait img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 18%;
  border-radius: 50%;
  /* clip-path setzt die Kante hart, auch wenn der Rahmen mitskaliert. */
  clip-path: circle(50% at 50% 50%);
  background: var(--bg-sunken);
}
.portrait__arc {
  position: absolute; inset: -14px;
  border: 3px solid transparent;
  border-left-color: var(--accent-hi);
  border-bottom-color: var(--accent-hi);
  border-radius: 50%;
  transform: rotate(12deg);
}

.markpanel { display: flex; align-items: center; justify-content: center; gap: 1rem; }
.markpanel img { width: 62px; height: auto; }
.markpanel__title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 620;
  line-height: 1.08;
  letter-spacing: -.02em;
}
.markpanel__title span { display: block; color: var(--accent); }

.hero__body { padding-left: clamp(2rem, 5vw, 4.5rem); }

.hero__name {
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 680;
  line-height: .95;
  letter-spacing: -.034em;
  margin: 0;
}
.hero__role {
  margin: .5rem 0 0;
  color: var(--accent);
  font-size: clamp(1.35rem, 2.9vw, 2.05rem);
  font-weight: 560;
  letter-spacing: -.018em;
  line-height: 1.2;
}

.principles {
  display: grid; gap: .7rem;
  margin: clamp(1.75rem, 3vw, 2.25rem) 0 0;
  padding: 0; list-style: none;
  counter-reset: none;
}
.principles li {
  display: grid; grid-template-columns: 1.75rem 1fr; gap: .85rem;
  align-items: center;
  color: var(--ink);
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
  font-weight: 540;
  letter-spacing: -.011em;
}
.principles__check {
  display: grid; place-items: center;
  width: 1.75rem; height: 1.75rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
}
.principles__check .icon { width: .85rem; height: .85rem; stroke-width: 2.6; }

.brandline {
  height: 3px;
  margin: clamp(1.75rem, 3vw, 2.25rem) 0 clamp(1.5rem, 2.5vw, 2rem);
  border-radius: 3px;
  background: var(--brand-line);
}

.facts {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem 1.75rem;
  margin: 0; padding: 0; list-style: none;
}
.fact {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  grid-template-areas: 'icon key' 'icon val';
  gap: .1rem .8rem;
  align-content: start;
}
.fact__icon {
  grid-area: icon;
  display: grid; place-items: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: 50%;
  background: var(--ink); color: var(--bg);
  align-self: start;
}
.fact__icon .icon { width: 1.1rem; height: 1.1rem; }
.fact__key {
  grid-area: key;
  color: var(--muted);
  font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  line-height: 1.6;
}
.fact__val { grid-area: val; color: var(--ink); font-size: 1rem; line-height: 1.5; }
.fact__val a { color: var(--ink); text-decoration-color: var(--border); overflow-wrap: normal; word-break: break-word; }
.fact__val a:hover { color: var(--accent); text-decoration-color: currentColor; }

.hero__actions {
  display: flex; flex-wrap: wrap; gap: .6rem;
  margin-top: clamp(1.75rem, 3vw, 2.25rem);
}

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__figure {
    order: -1;
    border-right: 0; border-bottom: 1px solid var(--hairline);
    padding: 0 0 clamp(2rem, 5vw, 2.75rem);
  }
  .hero__body { padding-left: 0; padding-top: clamp(2rem, 5vw, 2.75rem); }
  .portrait { width: min(300px, 68vw); }
}
@media (max-width: 620px) {
  .facts { grid-template-columns: 1fr; }
  .portrait { width: min(250px, 62vw); }
  .hero__actions .btn { flex: 1 1 100%; }
}

/* -- 9  QR-Code ------------------------------------------------------ */

.qr__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.qr {
  margin: 0;
  padding: 1.25rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.qr__img {
  width: clamp(160px, 22vw, 200px);
  height: auto;
  margin-inline: auto;
  /* Das SVG zeichnet mit currentColor – der Code folgt damit der Darstellung. */
  color: var(--ink);
}
.qr__cap {
  margin-top: .85rem; padding-top: .8rem;
  border-top: 1px solid var(--hairline);
  color: var(--muted); font-size: .78rem; letter-spacing: .01em;
}
.quickrow { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: clamp(1.5rem, 3vw, 2rem); }

@media (max-width: 760px) {
  .qr__grid { grid-template-columns: 1fr; }
  .qr { justify-self: start; }
}

/* -- 10  Offlineschalter --------------------------------------------- */

.offline__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.offline__control { display: grid; gap: .75rem; justify-items: start; }
.offline__status { margin: 0; color: var(--muted); font-size: .875rem; min-height: 1.2em; }
.offline__status[data-state="ok"]   { color: var(--ok); }
.offline__status[data-state="fail"] { color: var(--err); }

@media (max-width: 760px) { .offline__grid { grid-template-columns: 1fr; } }

/* -- 11  Formular ---------------------------------------------------- */

.form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem clamp(1rem, 2.5vw, 1.75rem);
}
.field { display: grid; gap: .4rem; margin: 0; align-content: start; }
.field--full, .form__foot { grid-column: 1 / -1; }

.field label { color: var(--ink); font-size: .875rem; font-weight: 550; letter-spacing: -.004em; }
.req { color: var(--accent); }
.opt { color: var(--muted); font-weight: 400; }
.hint { color: var(--muted); font-size: .8125rem; line-height: 1.5; }

input[type="text"], input[type="email"], input[type="tel"], textarea {
  width: 100%;
  padding: .8rem .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: inherit; font-size: 1rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
textarea { resize: vertical; min-height: 9rem; line-height: 1.6; }

input:hover, textarea:hover { border-color: var(--ink); }

/* Reihenfolge ist wichtig: Fehlerzustand schlägt den Grundzustand,
   der Fokus schlägt beides. Die Auswahl muss dabei mindestens so
   spezifisch sein wie input[type="text"], sonst greift sie nicht. */
input[aria-invalid="true"], textarea[aria-invalid="true"] {
  border-color: var(--err); background: var(--err-wash);
}
input:focus, textarea:focus,
input[aria-invalid="true"]:focus, textarea[aria-invalid="true"]:focus {
  outline: none; border-color: var(--accent);
  background: var(--surface); box-shadow: 0 0 0 3px var(--accent-wash);
}
input:focus-visible, textarea:focus-visible { outline: none; }

.consent {
  display: grid; grid-template-columns: 1.15rem 1fr; gap: .75rem;
  align-items: start; margin-top: .25rem;
}
.consent input { width: 1.15rem; height: 1.15rem; margin: .3rem 0 0; accent-color: var(--accent); }
.consent label { color: var(--muted); font-size: .9375rem; font-weight: 400; line-height: 1.6; }

.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__foot {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem; margin-top: .5rem; padding-top: 1.4rem;
  border-top: 1px solid var(--hairline);
}
.form__alt { margin: 0; color: var(--muted); font-size: .9375rem; }

.notice {
  display: flex; gap: .8rem; align-items: flex-start;
  margin-bottom: 1.6rem; padding: 1.1rem 1.25rem;
  border: 1px solid; border-radius: var(--radius);
  font-size: .9375rem; line-height: 1.6;
}
.notice:focus { outline: 2px solid var(--accent-hi); outline-offset: 3px; }
.notice__icon { flex: none; display: grid; place-items: center; width: 1.4rem; height: 1.4rem; margin-top: .1rem; font-weight: 600; }
.notice__icon .icon { width: 1.15rem; height: 1.15rem; }
.notice--ok  { border-color: color-mix(in srgb, var(--ok) 40%, transparent);  background: var(--ok-wash);  color: var(--ok); }
.notice--err { border-color: color-mix(in srgb, var(--err) 40%, transparent); background: var(--err-wash); color: var(--err); }
.notice strong { color: inherit; }

@media (max-width: 620px) {
  .form { grid-template-columns: 1fr; }
  .form__foot { flex-direction: column; align-items: stretch; }
  .form__foot .btn { width: 100%; }
}

/* -- 12  Textseiten, 404, Offline ------------------------------------ */

.prose-page { padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5.5rem); }
.prose-page__head { padding-bottom: clamp(1.6rem, 3vw, 2.25rem); border-bottom: 1px solid var(--hairline); }
.prose-page h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.03em; }
.prose-page__meta { margin: .9rem 0 0; color: var(--muted); font-size: .875rem; }
.prose-page__note {
  margin: 1.25rem 0 0; padding: .85rem 1.1rem;
  border-left: 2px solid var(--accent); background: var(--accent-wash);
  color: var(--text); font-size: .9375rem;
}
.prose-page__back { margin-top: clamp(2.25rem, 4vw, 3.25rem); }

.prose > section { padding-top: clamp(1.9rem, 3.5vw, 2.6rem); }
.prose h2 {
  display: flex; gap: .9rem; align-items: baseline;
  font-size: clamp(1.1rem, 2.1vw, 1.35rem); font-weight: 600; margin-bottom: .8rem;
}
.prose__num { flex: none; color: var(--accent); font-size: .8125rem; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: .08em; }
.prose p { max-width: 70ch; }
@media (min-width: 700px) { .prose p { margin-left: 2.6rem; } }

.errpage { padding-block: clamp(3rem, 9vw, 6.5rem); }
.errpage__inner { text-align: center; }
.errpage__code {
  margin: 0 0 1rem; color: var(--accent);
  font-size: clamp(3.5rem, 12vw, 6rem); font-weight: 650; letter-spacing: -.05em; line-height: 1;
  /* Zurückhaltend, aber weiterhin über 3:1 Kontrast (WCAG 1.4.3, großer Text). */
  opacity: .72;
}
.errpage__mark {
  display: inline-grid; place-items: center;
  width: 3.5rem; height: 3.5rem; margin-bottom: 1.25rem;
  border: 2px solid var(--accent); border-radius: 50%; color: var(--accent);
}
.errpage__mark .icon { width: 1.6rem; height: 1.6rem; }
.errpage h1 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); }
.errpage__lead { margin: 1rem auto 2rem; max-width: 44ch; color: var(--muted); }
.errpage__actions { margin-top: 2.25rem; }
.facts--offline {
  max-width: 34rem; margin-inline: auto; text-align: left;
  padding-top: 1.75rem; border-top: 1px solid var(--hairline);
}

/* -- 13  Fußbereich -------------------------------------------------- */

.sitefoot { border-top: 1px solid var(--hairline); padding-block: 1.75rem 2.25rem; }
.sitefoot__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.sitefoot__copy { margin: 0; color: var(--muted); font-size: .875rem; }
.sitefoot__nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.sitefoot__nav a { color: var(--muted); font-size: .875rem; text-decoration: none; }
.sitefoot__nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: .22em; }

/* -- 14  Bewegung und Seitenübergänge -------------------------------- */

/* Grundzustand ist sichtbar. Erst wenn JavaScript läuft, wird versteckt und
   eingeblendet – ohne JavaScript bleibt der Inhalt dadurch immer lesbar. */
.reveal {
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
:root.js .reveal { opacity: 0; transform: translateY(14px); }
:root.js .reveal.is-in { opacity: 1; transform: none; }

/* Weiche Überblendung beim Seitenwechsel. Browser ohne Unterstützung
   wechseln wie gewohnt hart – ohne Nachteil. */
@view-transition { navigation: auto; }

::view-transition-old(root),
::view-transition-new(root) { animation-duration: .32s; animation-timing-function: cubic-bezier(.22,.68,.24,1); }
::view-transition-group(masthead) { animation-duration: .32s; }
::view-transition-group(portrait) { animation-duration: .38s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) { animation: none !important; }
}

/* -- 15  Systemkontrast (Windows-Kontrastmodus) ---------------------- */

@media (forced-colors: active) {
  .btn--solid, .btn--ghost, .chip, .iconbtn, .masthead__toggle {
    border: 1px solid ButtonBorder;
    background: ButtonFace;
    color: ButtonText;
  }
  .fact__icon, .principles__check, .errpage__mark {
    border: 1px solid CanvasText;
    background: Canvas;
    color: CanvasText;
    forced-color-adjust: none;
  }
  .brandline, .portrait__arc { border-color: CanvasText; background: CanvasText; }
  .qr__img { forced-color-adjust: none; background: #fff; }
  .langswitch a[aria-current="true"] { background: Highlight; color: HighlightText; }
  :focus-visible { outline: 2px solid Highlight; }
}

/* -- 16  Druck ------------------------------------------------------- */

/* Ziel: eine einzige Seite, die als echte Visitenkarte taugt –
   Porträt, Angaben und der scanbare Code zusammen auf einem Blatt. */
@media print {
  @page { margin: 14mm; size: A4 portrait; }
  :root {
    --bg: #fff; --bg-sunken: #fff; --surface: #fff;
    --ink: #000; --text: #1a1a1a; --muted: #3a3a3a; --hairline: #bbb;
    --rule: #000; --accent: #000; --accent-hi: #000; --border: #999;
    --shadow-sm: none; --shadow-md: none; --shadow-lg: none;
  }
  .masthead, .sitefoot__nav, .band--offline, .band--form, .skip-link,
  .prose-page__back, .quickrow, .hero__actions, .errpage__actions,
  .qr__text { display: none !important; }

  body { font-size: 10pt; line-height: 1.45; }
  .shell { max-width: none; padding-inline: 0; }

  /* Zweispaltig bleiben, sonst wird die Seite unnötig lang. */
  .hero { padding-block: 0 6mm; }
  .hero__grid { display: grid !important; grid-template-columns: 42mm 1fr !important; gap: 0; align-items: start; }
  .hero__figure { order: 0 !important; border-right: 1.2pt solid #000 !important; border-bottom: 0 !important; padding: 0 8mm 0 0 !important; }
  .hero__body { padding: 0 0 0 8mm !important; }
  .portrait { width: 34mm; margin-bottom: 5mm; }
  .portrait__arc { display: none; }
  .markpanel img { width: 12mm; }
  .markpanel__title { font-size: 11pt; }

  .hero__name { font-size: 26pt; }
  .hero__role { font-size: 13pt; margin-top: 1mm; }
  .principles { gap: 1.6mm; margin-top: 5mm; }
  .principles li { font-size: 10.5pt; grid-template-columns: 5mm 1fr; gap: 3mm; }
  .principles__check { width: 5mm; height: 5mm; border-width: 1pt; }
  .brandline { height: 1.2pt; margin: 5mm 0 4mm; background: #000; }
  .facts { gap: 3.5mm 6mm; }
  .fact { grid-template-columns: 6.5mm 1fr; gap: 0 3mm; }
  .fact__icon { width: 6.5mm; height: 6.5mm; background: #000; color: #fff; }
  .fact__icon .icon { width: 3.4mm; height: 3.4mm; }
  .fact__key { font-size: 6.5pt; }
  .fact__val { font-size: 9.5pt; }

  .band { border-top: 0.6pt solid #bbb; padding-block: 5mm; page-break-inside: avoid; break-inside: avoid; }
  .qr__grid { display: flex; justify-content: flex-end; }
  .qr { border: 0.6pt solid #999; padding: 3mm; }
  .qr__img { width: 32mm; color: #000; }
  .qr__cap { font-size: 6.5pt; margin-top: 2mm; padding-top: 2mm; }

  .sitefoot { border-top: 0.6pt solid #bbb; padding-block: 4mm 0; }
  .reveal { opacity: 1 !important; transform: none !important; }
  a { text-decoration: none; }
  a[href^="http"]::after { content: ''; }
}

/* -- 17  Easter Egg -------------------------------------------------- */

.egg {
  position: fixed;
  left: 50%; bottom: 1.5rem;
  z-index: 300;
  display: flex; align-items: center; gap: .9rem;
  max-width: min(30rem, calc(100vw - 2rem));
  padding: .9rem 1.15rem;
  border: 1px solid var(--hairline); border-radius: var(--radius);
  background: var(--surface); color: var(--ink);
  box-shadow: var(--shadow-lg);
  font-size: .9rem; line-height: 1.5;
  transform: translate(-50%, 140%);
  transition: transform .5s var(--ease), opacity .5s var(--ease);
  opacity: 0;
}
.egg[data-open="true"] { transform: translate(-50%, 0); opacity: 1; }
.egg img { width: 2.6rem; height: auto; flex: none; }
.egg strong { display: block; font-size: .95rem; }
.egg span { color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .egg { transition: opacity .01ms; transform: translate(-50%, 0); }
}