/* ==========================================================================
   Nürnberger Autorentreff — Stylesheet
   "Manuskript"-Designsystem: Tintenblau, Stempel-Motiv, geometrische Grotesk
   1. Fonts
   2. Custom Properties
   3. Reset & Basis
   4. Hilfsklassen (Label, Eyebrow-Tabs, Stempel)
   5. Kopfzeile & Navigation
   6. Startseite: Masthead
   7. Startseite: Zielgruppe
   8. Startseite: Tagesablauf & Rahmenprogramm
   9. Startseite: Vorträge
  10. Startseite: FAQ
  11. Startseite: Veranstalter
  12. Startseite: Kontaktformular
  13. Rechtstexte (Impressum, Datenschutz)
  14. Fußzeile
  15. Bildplatzhalter
  16. Media Queries
   ========================================================================== */

/* 1. Fonts ------------------------------------------------------------------ */

@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/SpaceGrotesk-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/SpaceGrotesk-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/SourceSans3-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/SourceSans3-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/SourceSans3-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* 2. Custom Properties ---------------------------------------------------- */

:root {
  --color-paper: #F6F4EF;
  --color-paper-shade: #ECE8DD;
  --color-ink: #14151A;
  --color-ink-soft: #2B2D36;
  --color-muted: #5B5D68;
  --color-rule: #D9D4C6;
  --color-rule-soft: #E1DCCE;

  --color-blue: #146B3D;
  --color-blue-deep: #0C2318;
  --color-blue-tint: #D7ECD9;
  --color-red: #C23A1B;
  --color-gold: #D9A02E;
  --color-gold-tint: #F5E6C1;

  --color-placeholder-a: #E4DDD0;
  --color-placeholder-b: #DED6C7;
  --color-placeholder-text: #4F473C;
  --color-placeholder-text-on-blue: #D9ECDD;

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 1240px;
  --measure-text: 860px;
  --space-page: 32px;
  --space-section: 96px;

  --border-w: 3px;
  --shadow-hard: 7px 7px 0 var(--color-ink);
  --shadow-hard-blue: 7px 7px 0 var(--color-blue);
}

/* 3. Reset & Basis ---------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 20px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

p {
  margin: 0 0 20px;
}

p:last-child {
  margin-bottom: 0;
}

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

a {
  color: var(--color-blue);
  text-underline-offset: 4px;
}

a:hover {
  color: var(--color-red);
}

:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 3px;
}

summary {
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary::marker {
  display: none;
}

/* 4. Hilfsklassen ------------------------------------------------------------ */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
}

.wrap--narrow {
  max-width: var(--measure-text);
}

.section {
  padding: 0 var(--space-page) var(--space-section);
}

.label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.label--accent {
  color: var(--color-blue);
}

.section__title {
  margin: 0 0 20px;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.15;
}

.section__intro {
  margin: 0 0 48px;
  max-width: 58ch;
  color: var(--color-ink-soft);
}

.skip-link {
  position: absolute;
  top: 0;
  left: -9999px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--color-ink);
  color: var(--color-paper);
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
  color: var(--color-paper);
}

/* Eyebrow-Tab — nummerierte Registerkarte statt Fließtext-Label */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
}

.eyebrow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 6px 10px;
  background: var(--color-blue);
  color: var(--color-paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0;
}

.eyebrow__text {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.organiser .eyebrow__num {
  background: var(--color-gold);
  color: var(--color-ink);
}

.organiser .eyebrow__text {
  color: var(--color-blue-tint);
}

/* Stempel — das wiederkehrende Signature-Element: rotiertes Rundsiegel,
   wie ein Eingangsstempel eines Lektorats. Rein dekorativ (aria-hidden). */

.stamp {
  position: absolute;
  top: 4px;
  right: var(--space-page);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 128px;
  height: 128px;
  border: 2px dashed var(--color-gold-tint);
  border-radius: 50%;
  transform: rotate(-9deg);
  text-align: center;
}

.stamp::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid var(--color-gold-tint);
  border-radius: 50%;
}

.stamp__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--color-gold-tint);
  text-transform: uppercase;
}

/* 5. Kopfzeile & Navigation --------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-paper);
  border-bottom: var(--border-w) solid var(--color-ink);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  padding: 14px var(--space-page);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand {
  margin-right: auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--color-ink);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 26px;
}

.nav__link {
  padding-bottom: 2px;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav__link:hover {
  color: var(--color-blue);
  border-color: var(--color-blue);
}

.nav__link--cta {
  padding: 8px 14px;
  background: var(--color-blue);
  color: var(--color-paper) !important;
  border: 2px solid var(--color-ink);
}

.nav__link--cta:hover {
  background: var(--color-red);
  border-color: var(--color-ink);
  color: var(--color-paper) !important;
}

/* 6. Startseite: Masthead ----------------------------------------------------- */

.masthead {
  padding: 0 var(--space-page);
}

#top.masthead {
  position: relative;
  background: var(--color-blue);
  color: var(--color-paper);
  padding-top: 4px;
  padding-bottom: 8px;
}

#top.masthead .wrap {
  position: relative;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  padding: 20px 0;
  border-bottom: 1px solid rgba(246, 244, 239, 0.25);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-tint);
}

.meta-line__dot {
  color: var(--color-gold-tint);
}

.masthead__title {
  margin: 0;
  padding: 44px 0 36px;
  max-width: 16ch;
  font-size: clamp(42px, 8.4vw, 104px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  -webkit-hyphens: manual;
  hyphens: manual;
}

.masthead__title em {
  font-style: normal;
  color: var(--color-gold-tint);
}

.masthead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
  padding-bottom: 52px;
  border-bottom: var(--border-w) solid var(--color-gold-tint);
}

.lede {
  margin: 0 0 28px;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.55;
  color: var(--color-paper);
  opacity: 0.92;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button {
  padding: 16px 26px;
  background: var(--color-gold);
  color: var(--color-ink);
  border: var(--border-w) solid var(--color-ink);
  border-radius: 0;
  box-shadow: var(--shadow-hard);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.button:hover {
  background: var(--color-red);
  color: var(--color-paper);
}

.button:active {
  transform: translate(4px, 4px);
  box-shadow: 3px 3px 0 var(--color-ink);
}

.button--quiet {
  padding: 14px 24px;
  background: transparent;
  color: var(--color-paper);
  border: var(--border-w) solid var(--color-paper);
  box-shadow: none;
}

.button--quiet:hover {
  background: var(--color-paper);
  color: var(--color-blue-deep);
}

.button--quiet:active {
  transform: translate(2px, 2px);
}

.facts {
  margin: 0;
  padding: 20px;
  background: rgba(246, 244, 239, 0.06);
  border: 1px solid rgba(246, 244, 239, 0.3);
}

.facts__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px dashed rgba(246, 244, 239, 0.3);
}

.facts__row:first-child {
  border-top: 0;
}

.facts dt {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-tint);
}

.facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  text-align: right;
}

.hero-image {
  margin: var(--space-section) 0;
  border: var(--border-w) solid var(--color-ink);
  box-shadow: var(--shadow-hard-blue);
}

/* 7. Startseite: Zielgruppe --------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
  gap: 64px;
  align-items: start;
}

.split--even {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
}

.split--wide-left {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.split--faq {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 72px;
}

.audience {
  margin: 0;
  padding: 0;
  list-style: none;
}

.audience__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--color-rule);
}

.audience__item:last-child {
  border-bottom: 1px solid var(--color-rule);
}

.audience__marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-paper);
  border: 2px solid var(--color-blue);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--color-blue);
}

.audience__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 25px;
  letter-spacing: -0.005em;
}

.audience__text,
.card__text {
  margin: 0;
  font-size: 19px;
  color: var(--color-ink-soft);
}

/* 8. Startseite: Tagesablauf & Rahmenprogramm --------------------------------- */

.schedule {
  margin: 0 0 80px;
  padding: 0;
  list-style: none;
}

.schedule__item {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 32px;
  padding: 22px 0;
  border-top: 2px dashed var(--color-rule);
}

.schedule__item:first-child {
  border-top: var(--border-w) solid var(--color-ink);
}

.schedule__item:last-child {
  border-bottom: var(--border-w) solid var(--color-ink);
}

.schedule__time {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.schedule__text {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 22px;
  color: var(--color-ink);
}

.frame-heading {
  margin: 0 0 32px;
  font-size: clamp(26px, 3vw, 34px);
}

.card-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.card {
  padding: 24px;
  background: var(--color-paper);
  border: var(--border-w) solid var(--color-ink);
  box-shadow: var(--shadow-hard-blue);
}

.card__label {
  margin: 0 0 10px;
  color: var(--color-blue);
}

.card__title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 25px;
}

/* 9. Startseite: Vorträge ------------------------------------------------------ */

.talk {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding: 48px 0;
  border-top: 2px solid var(--color-rule);
}

.talk:first-of-type {
  border-top: var(--border-w) solid var(--color-ink);
}

.talk:last-of-type {
  border-bottom: var(--border-w) solid var(--color-ink);
}

.talk__figure {
  margin: 0;
  position: relative;
}

.talk__figure img {
  border: var(--border-w) solid var(--color-ink);
}

.talk__caption {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  background: var(--color-blue);
  color: var(--color-paper);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.talk__name {
  margin: 0 0 6px;
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.1;
}

.talk__topic {
  margin: 0 0 24px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.005em;
  color: var(--color-blue);
}

.talk__text {
  margin: 0 0 18px;
  color: var(--color-ink-soft);
}

.talk__text:last-of-type {
  margin-bottom: 24px;
}

.disclosure {
  padding-top: 16px;
  border-top: 1px solid var(--color-rule);
}

.disclosure summary {
  display: block;
  list-style: none;
}

.disclosure__summary {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.disclosure__summary::before {
  content: "+ ";
}

.disclosure[open] .disclosure__summary::before {
  content: "– ";
}

.disclosure__text {
  margin: 16px 0 0;
  font-size: 19px;
  color: var(--color-ink-soft);
}

/* 10. Startseite: FAQ ----------------------------------------------------------- */

.price-card {
  padding: 28px;
  background: var(--color-paper);
  border: var(--border-w) solid var(--color-ink);
  box-shadow: var(--shadow-hard-blue);
}

.price__label {
  margin-bottom: 12px;
}

.price__value {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.2;
}

.price__note {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-muted);
}

.included {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 18px;
}

.included li {
  padding: 11px 0;
  border-top: 1px solid var(--color-rule);
}

.included li:last-child {
  padding-bottom: 0;
}

.faq__title {
  margin: 0 0 26px;
  font-size: clamp(32px, 4vw, 46px);
}

.faq__item {
  padding: 18px 0;
  border-top: 1px solid var(--color-rule);
}

.faq__item:first-of-type {
  border-top: var(--border-w) solid var(--color-ink);
}

.faq__item:last-of-type {
  border-bottom: var(--border-w) solid var(--color-ink);
}

.faq__question {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 21px;
  list-style: none;
}

.faq__question::after {
  content: "+";
  flex: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--color-blue);
}

.faq__item[open] .faq__question::after {
  content: "–";
}

.faq__answer {
  margin: 14px 0 0;
  font-size: 18px;
  color: var(--color-ink-soft);
}

/* 11. Startseite: Veranstalter ---------------------------------------------------- */

.organiser {
  padding: var(--space-section) var(--space-page);
  background: var(--color-blue);
  color: var(--color-paper);
}

.organiser p {
  color: var(--color-blue-tint);
}

.organiser__grid {
  align-items: center;
}

.organiser img {
  border: var(--border-w) solid var(--color-gold-tint);
}

/* 12. Startseite: Kontaktformular --------------------------------------------- */

.contact {
  padding: var(--space-section) var(--space-page);
}

.contact__title {
  margin: 0 0 24px;
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.05;
}

.contact__intro {
  margin: 0;
  font-size: 20px;
  color: var(--color-ink-soft);
}

.form {
  display: grid;
  gap: 26px;
  padding: 32px;
  background: var(--color-paper);
  border: var(--border-w) solid var(--color-ink);
  box-shadow: var(--shadow-hard);
}

.form__group {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  border: 0;
}

.form__legend {
  width: 100%;
  padding: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form__field {
  display: grid;
  gap: 8px;
}

.form__label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form__input {
  padding: 12px 10px;
  font: inherit;
  font-size: 19px;
  color: var(--color-ink);
  background: var(--color-paper-shade);
  border: 2px solid var(--color-ink);
  border-radius: 0;
}

.form__input:focus-visible {
  background: var(--color-paper);
}

textarea.form__input {
  resize: vertical;
}

.form__choice {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
  cursor: pointer;
}

.form__radio {
  width: 20px;
  height: 20px;
  margin-top: 6px;
  accent-color: var(--color-blue);
}

.form__submit {
  justify-self: start;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form__hint {
  margin: 0;
  font-size: 16px;
  color: var(--color-muted);
}

.link-button {
  padding: 0;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-blue);
  background: none;
  border: 0;
  text-decoration: underline;
  cursor: pointer;
}

.link-button:hover {
  color: var(--color-red);
}

.mail-address {
  font-weight: 600;
  color: var(--color-ink);
}

/* 13. Rechtstexte -------------------------------------------------------------- */

.legal {
  max-width: var(--measure-text);
  margin: 0 auto;
  padding: 72px var(--space-page) var(--space-section);
}

.legal__title {
  margin: 0 0 48px;
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.1;
}

.legal__title--with-intro {
  margin-bottom: 24px;
}

.legal__intro {
  margin: 0 0 48px;
  max-width: 60ch;
  color: var(--color-ink-soft);
}

.legal__block {
  padding: 28px 0;
  border-top: 1px solid var(--color-rule);
}

.legal__block:first-of-type {
  border-top: var(--border-w) solid var(--color-ink);
}

.legal__block:last-of-type {
  border-bottom: var(--border-w) solid var(--color-ink);
}

.legal__heading {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 24px;
}

/* 14. Fußzeile ------------------------------------------------------------------ */

.site-footer {
  padding: 64px var(--space-page) 40px;
  background: #123D28;
  color: var(--color-paper);
  border-top: var(--border-w) solid var(--color-ink);
}

.site-footer__claim {
  margin: 0 0 48px;
  font-size: clamp(26px, 4vw, 46px);
  line-height: 1.2;
}

.site-footer__claim em {
  font-style: normal;
  color: var(--color-gold);
}

.site-footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(246, 244, 239, 0.25);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer__bar p {
  margin: 0;
  color: var(--color-blue-tint);
}

.site-footer__links {
  display: flex;
  gap: 28px;
}

.site-footer__links a {
  color: var(--color-paper);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gold);
}

.site-footer__links a:hover {
  color: var(--color-gold);
}

.legal-footer {
  padding: 40px var(--space-page);
  background: var(--color-paper-shade);
  border-top: var(--border-w) solid var(--color-ink);
}

.legal-footer__nav {
  display: flex;
  gap: 28px;
  max-width: var(--measure-text);
  margin: 0 auto;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.legal-footer__nav a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-blue);
}

.legal-footer__nav a:hover {
  color: var(--color-blue);
}

/* 15. Bildplatzhalter -------------------------------------------------------------
   Bleiben sichtbar, solange die Bilddatei fehlt; main.js blendet sie aus,
   sobald das Bild geladen ist.
   ------------------------------------------------------------------------ */

.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  background: repeating-linear-gradient(135deg,
      var(--color-placeholder-a) 0 14px,
      var(--color-placeholder-b) 14px 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--color-placeholder-text);
  border: var(--border-w) solid var(--color-ink);
}

.placeholder[hidden] {
  display: none;
}

.placeholder--hero {
  aspect-ratio: 16 / 6;
  margin: var(--space-section) 0;
}

.placeholder--portrait {
  aspect-ratio: 4 / 5;
}

.placeholder--landscape {
  aspect-ratio: 3 / 2;
}

.placeholder--on-blue {
  background: repeating-linear-gradient(135deg, #123322 0 14px, #0F2B1D 14px 28px);
  color: var(--color-placeholder-text-on-blue);
  border-color: var(--color-gold);
}

/* 16. Media Queries --------------------------------------------------------------- */

@media (max-width: 900px) {
  :root {
    --space-section: 72px;
    --space-page: 24px;
    --shadow-hard: 5px 5px 0 var(--color-ink);
    --shadow-hard-blue: 5px 5px 0 var(--color-blue);
  }

  .masthead__grid,
  .split,
  .split--even,
  .split--wide-left,
  .split--faq,
  .talk,
  .audience__item,
  .schedule__item {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .audience__item,
  .schedule__item {
    gap: 10px;
  }

  .talk {
    gap: 36px;
  }

  .talk__figure {
    max-width: 220px;
  }

  .facts dd {
    text-align: left;
  }

  .stamp {
    width: 96px;
    height: 96px;
    font-size: 12px;
    top: -8px;
  }

  .stamp__text {
    font-size: 11px;
  }
}

@media (max-width: 640px) {
  :root {
    --space-section: 56px;
    --space-page: 20px;
  }

  body {
    font-size: 19px;
  }

  .site-header__inner {
    gap: 12px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 14px;
  }

  .talk__figure {
    max-width: 100%;
  }

  .site-footer__bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .stamp {
    display: none;
  }

  .masthead__title {
    font-size: clamp(30px, 9vw, 42px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}