/* Kongress-Apolda – Designwelt v0.1, gemeinsames CSS fuer alle Seiten.
   Tokens aus Design/kongress-apolda.css. Schrift lokal statt Google Fonts. */

@font-face { font-family: 'Titillium Web'; font-style: normal; font-weight: 400; font-display: swap; src: url(./fonts/titillium-web-400.woff2) format('woff2'); }
@font-face { font-family: 'Titillium Web'; font-style: normal; font-weight: 600; font-display: swap; src: url(./fonts/titillium-web-600.woff2) format('woff2'); }
@font-face { font-family: 'Titillium Web'; font-style: normal; font-weight: 700; font-display: swap; src: url(./fonts/titillium-web-700.woff2) format('woff2'); }

:root {
  --ka-gruen-50:  #F0F4E3;
  --ka-gruen-100: #DDE6C2;
  --ka-gruen-300: #B7C981;
  --ka-gruen-500: #95AD45;
  --ka-gruen-700: #5E7027;
  --ka-magenta-50:  #FDE8F4;
  --ka-magenta-500: #F528A2;
  --ka-magenta-600: #D6158E;
  --ka-magenta-700: #A80E6F;
  --ka-navy-900: #212A55;
  --ka-navy-700: #3A4370;
  --ka-navy-500: #6B7090;
  --ka-grau-50:  #F6F6F6;
  --ka-grau-200: #E3E3E6;
  --ka-weiss: #FFFFFF;

  --ka-font: 'Titillium Web', 'Segoe UI', system-ui, sans-serif;
  --ka-fs-h1: clamp(2.25rem, 5vw, 3.5rem);
  --ka-fs-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --ka-fs-lead: 1.25rem;
  --ka-fs-body: 1.0625rem;

  --ka-radius-xl: 24px;
  --ka-radius-pill: 999px;
  --ka-shadow-1: 0 1px 2px rgba(33,42,85,.06), 0 1px 3px rgba(33,42,85,.08);
  --ka-shadow-3: 0 12px 32px rgba(33,42,85,.12);
  --ka-container: 1200px;
  --ka-gutter: 24px;
  --ka-header-h: 72px;
  --ka-ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--ka-header-h) + 16px); }
body { margin: 0; background: var(--ka-grau-50); color: var(--ka-navy-900); font: 400 var(--ka-fs-body)/1.6 var(--ka-font); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
h1, h2, h3 { font-weight: 700; line-height: 1.2; margin: 0 0 .5em; text-wrap: balance; }
p { margin: 0 0 1em; }
a { color: var(--ka-magenta-600); text-underline-offset: 3px; }
a:hover { color: var(--ka-magenta-700); }
:focus-visible { outline: 3px solid var(--ka-magenta-500); outline-offset: 2px; }
img { max-width: 100%; display: block; }
.ka-container { max-width: var(--ka-container); margin-inline: auto; padding-inline: var(--ka-gutter); }

/* Wortmarke */
.ka-wordmark { font-weight: 700; color: var(--ka-gruen-500); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; white-space: nowrap; }

/* Header */
.ka-header { position: sticky; top: 0; z-index: 10; background: var(--ka-weiss); border-bottom: 1px solid var(--ka-grau-200); }
.ka-header-inner { height: var(--ka-header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ka-header .ka-wordmark { font-size: 22px; }
.ka-header .ka-wordmark:hover { color: var(--ka-gruen-700); }
.ka-nav { display: flex; align-items: center; gap: 24px; font-weight: 600; font-size: 16px; }
.ka-nav a { color: var(--ka-navy-900); text-decoration: none; padding: 6px 0; }
.ka-nav a:hover { color: var(--ka-magenta-600); }
.ka-nav a.ka-btn { color: var(--ka-weiss); padding: 10px 20px; font-size: 14px; }
.ka-nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.ka-nav-button { display: none; width: 44px; height: 44px; border-radius: var(--ka-radius-pill); background: var(--ka-grau-50); align-items: center; justify-content: center; cursor: pointer; }
.ka-nav-button:hover { background: var(--ka-grau-200); }
.ka-nav-button svg { width: 22px; height: 22px; stroke: var(--ka-navy-900); }
.ka-nav-button .ka-icon-x { display: none; }

/* Buttons */
.ka-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border: 0; cursor: pointer; background: var(--ka-magenta-600); color: var(--ka-weiss); font: 700 16px/1 var(--ka-font); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; padding: 14px 28px; border-radius: var(--ka-radius-pill); transition: background 200ms var(--ka-ease), transform 200ms var(--ka-ease); }
.ka-btn:hover { background: var(--ka-magenta-700); color: var(--ka-weiss); transform: translateY(-2px); }
.ka-btn-sekundaer { background: transparent; color: var(--ka-navy-900); border: 2px solid var(--ka-navy-900); padding: 12px 26px; }
.ka-btn-sekundaer:hover { background: var(--ka-navy-900); color: var(--ka-weiss); }
.ka-btn-gruen { background: var(--ka-gruen-500); color: var(--ka-navy-900); }
.ka-btn-gruen:hover { background: var(--ka-gruen-300); color: var(--ka-navy-900); }

/* Hero */
.ka-hero { text-align: center; padding: 72px 0 56px; }
.ka-hero .ka-wordmark { display: block; font-size: clamp(26px, 7vw, 96px); line-height: 1; margin-right: -.08em; }
.ka-hero-sub { display: block; font-weight: 700; font-size: clamp(22px, 3.6vw, 46px); line-height: 1.1; color: var(--ka-magenta-500); margin-top: 12px; }
.ka-hero h1 { font-size: clamp(24px, 3vw, 34px); color: var(--ka-navy-900); margin: 40px 0 8px; }
.ka-hero-lead { font-size: var(--ka-fs-lead); color: var(--ka-navy-700); margin: 0 auto; max-width: 640px; }
.ka-hero-aktionen { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.ka-welle { display: block; width: 100%; height: 56px; }

/* Gruene Flaeche */
.ka-gruen { background: var(--ka-gruen-500); color: var(--ka-navy-900); }
.ka-gruen .ka-container { padding-top: 8px; padding-bottom: 64px; }
.ka-gruppenbild { border-radius: var(--ka-radius-xl); width: 100%; height: auto; box-shadow: var(--ka-shadow-3); }

/* Sektionen */
.ka-section { padding: 96px 0 0; }
.ka-section:last-of-type { padding-bottom: 96px; }
.ka-overline { display: block; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ka-gruen-700); margin-bottom: 8px; }
.ka-section h2 { font-size: var(--ka-fs-h2); }
.ka-schmal { max-width: 760px; }
.ka-lead { font-size: var(--ka-fs-lead); color: var(--ka-navy-700); }

/* Themenkarten */
.ka-karten { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
.ka-karte { background: var(--ka-weiss); border-radius: var(--ka-radius-xl); overflow: hidden; box-shadow: var(--ka-shadow-1); display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); transition: transform 200ms var(--ka-ease), box-shadow 200ms var(--ka-ease); }
.ka-karte:hover { transform: translateY(-2px); box-shadow: var(--ka-shadow-3); }
.ka-karte img { width: 100%; height: 0; min-height: 100%; object-fit: cover; background: var(--ka-gruen-100); }
.ka-karte-text { padding: 32px 36px; align-self: center; }
.ka-karte h3 { font-size: 26px; margin: 0 0 8px; }
.ka-karte p { font-size: 16px; color: var(--ka-navy-700); margin: 0; }

/* Mitmach-Kasten */
.ka-kasten { background: var(--ka-navy-900); color: var(--ka-weiss); border-radius: var(--ka-radius-xl); padding: 40px; display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: center; }
.ka-kasten h2 { color: var(--ka-weiss); }
.ka-kasten .ka-overline { color: var(--ka-gruen-300); }
.ka-kasten p { color: var(--ka-grau-200); }
.ka-kasten a:not(.ka-btn) { color: var(--ka-weiss); }
.ka-kasten-aktionen { display: grid; gap: 12px; }

/* Footer */
.ka-footer { margin-top: 0; }
.ka-footer .ka-gruen .ka-container { padding-top: 24px; padding-bottom: 40px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.ka-footer .ka-wordmark { color: var(--ka-weiss); font-size: 22px; }
.ka-footer nav { display: flex; gap: 24px; flex-wrap: wrap; font-weight: 600; font-size: 15px; }
.ka-footer nav a { color: var(--ka-navy-900); }
.ka-footer small { font-size: 14px; font-weight: 600; }

/* Mobil */
@media (max-width: 767px) {
  :root { --ka-gutter: 16px; --ka-header-h: 64px; }
  .ka-header .ka-wordmark { font-size: 18px; }
  .ka-nav-button { display: inline-flex; }
  .ka-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--ka-weiss); border-bottom: 1px solid var(--ka-grau-200); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 20px; font-size: 18px; }
  .ka-nav a { padding: 12px 20px; border-bottom: 1px solid var(--ka-grau-50); }
  .ka-nav a:hover { background: var(--ka-gruen-50); }
  .ka-nav a.ka-btn { margin: 16px 20px 0; padding: 14px; font-size: 16px; border-bottom: 0; }
  .ka-nav-toggle:checked ~ .ka-nav { display: flex; }
  .ka-nav-toggle:checked ~ .ka-nav-button .ka-icon-menu { display: none; }
  .ka-nav-toggle:checked ~ .ka-nav-button .ka-icon-x { display: block; }
  .ka-nav-toggle:focus-visible ~ .ka-nav-button { outline: 3px solid var(--ka-magenta-500); outline-offset: 2px; }
  .ka-hero { padding: 48px 0 40px; }
  .ka-section { padding-top: 64px; }
  .ka-section:last-of-type { padding-bottom: 64px; }
  .ka-gruen .ka-container { padding-bottom: 40px; }
  .ka-kasten { grid-template-columns: 1fr; padding: 28px 24px; }
  .ka-karte { grid-template-columns: 1fr; }
  .ka-karte img { height: auto; min-height: 0; aspect-ratio: 16/10; }
  .ka-karte-text { padding: 24px; }
}

/* ---------- Unterseiten ---------- */
.ka-nav a[aria-current="page"]:not(.ka-btn) { color: var(--ka-magenta-600); }
.ka-seitenkopf { text-align: center; padding: 48px 0 40px; }
.ka-seitenkopf h1 { font-size: clamp(1.75rem, 8vw, 3.5rem); color: var(--ka-magenta-500); margin: 0; hyphens: auto; }
.ka-inhalt { padding: 64px 0 96px; }
.ka-seitenkopf + .ka-inhalt { padding-top: 8px; }
.ka-inhalt h2 { font-size: var(--ka-fs-h2); margin-top: 1.6em; }
.ka-inhalt h3 { font-size: 22px; margin-top: 1.5em; }
.ka-inhalt > .ka-container > :first-child,
.ka-inhalt section:first-child > :first-child { margin-top: 0; }
.ka-inhalt section + section { margin-top: 56px; }
.ka-inhalt ul { padding-left: 1.25em; margin: 0 0 1em; }
.ka-inhalt li { margin-bottom: .25em; }
.ka-zitat { font-size: var(--ka-fs-lead); font-weight: 700; border-left: 4px solid var(--ka-magenta-500); padding-left: 20px; }
.ka-aktionen { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }

/* Hinweiskasten */
.ka-hinweis { background: var(--ka-magenta-50); border-radius: var(--ka-radius-xl); padding: 28px 32px; }
.ka-hinweis h3 { margin-top: 0; }
.ka-hinweis p { margin: 0; font-weight: 600; }

/* Kacheln (Infrastruktur) */
.ka-kacheln { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 24px; }
.ka-kachel { background: var(--ka-weiss); border-radius: var(--ka-radius-xl); box-shadow: var(--ka-shadow-1); padding: 28px; }
.ka-kachel h3 { margin: 0 0 8px; }
.ka-kachel h3 a { text-decoration: none; }
.ka-kachel p { font-size: 16px; color: var(--ka-navy-700); margin: 0; }

/* Liste der Arbeitsgruppen */
.ka-ag-liste { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 24px; }
.ka-ag { display: block; background: var(--ka-weiss); border-radius: 16px; box-shadow: var(--ka-shadow-1); padding: 18px 22px; color: var(--ka-navy-900); font-weight: 700; text-decoration: none; transition: transform 200ms var(--ka-ease), box-shadow 200ms var(--ka-ease); }
.ka-ag span { display: block; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--ka-gruen-700); margin-bottom: 4px; }
.ka-ag:hover { color: var(--ka-magenta-600); transform: translateY(-2px); box-shadow: var(--ka-shadow-3); }

/* Veranstaltungen */
.ka-termin { background: var(--ka-weiss); border-radius: var(--ka-radius-xl); overflow: hidden; box-shadow: var(--ka-shadow-1); display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); margin-top: 24px; }
/* Plakate mit Text: immer ganz zeigen, nie zuschneiden */
.ka-termin img { width: 100%; height: auto; align-self: center; }
.ka-termin > div { padding: 32px 36px; }
.ka-termin h3 { font-size: 24px; margin: 0 0 12px; }
.ka-termin p { font-size: 16px; color: var(--ka-navy-700); margin: 0 0 .75em; }
.ka-termin-ohne-bild { grid-template-columns: 1fr; }
.ka-termin.vergangen h3 { color: var(--ka-navy-700); }
.ka-termin details { margin-top: 12px; }
.ka-termin summary { cursor: pointer; font-weight: 700; color: var(--ka-magenta-600); }

/* FAQ */
.ka-faq details { background: var(--ka-weiss); border-radius: 16px; box-shadow: var(--ka-shadow-1); margin-bottom: 12px; }
.ka-faq summary { cursor: pointer; list-style: none; font-weight: 700; font-size: 18px; padding: 20px 56px 20px 24px; position: relative; }
.ka-faq summary::-webkit-details-marker { display: none; }
.ka-faq summary::after { content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); font-size: 26px; color: var(--ka-magenta-600); }
.ka-faq details[open] summary::after { content: "–"; }
.ka-faq details p { padding: 0 24px 20px; margin: 0; color: var(--ka-navy-700); }

/* Logos */
.ka-logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; margin-top: 24px; }
.ka-logos a { background: var(--ka-weiss); border-radius: 16px; box-shadow: var(--ka-shadow-1); padding: 16px; display: flex; align-items: center; justify-content: center; transition: transform 200ms var(--ka-ease); }
.ka-logos a:hover { transform: translateY(-2px); }
.ka-logos img { max-height: 90px; width: auto; object-fit: contain; }

/* Mitmachen: zwei Wege zur Verifizierung und Schrittfolge */
.ka-wege { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; margin-top: 24px; }
.ka-weg { position: relative; background: var(--ka-weiss); border-radius: var(--ka-radius-xl); box-shadow: var(--ka-shadow-1); padding: 28px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.ka-weg h3, .ka-weg p { margin: 0; }
.ka-weg .ka-btn { margin-top: auto; }
.ka-weg-empfohlen { border: 3px solid var(--ka-magenta-600); }
.ka-weg-marke { background: var(--ka-magenta-600); color: var(--ka-weiss); font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 12px; border-radius: var(--ka-radius-pill); }
.ka-weg-klein { font-size: 15px; color: var(--ka-navy-700); }
.ka-schritte { padding-left: 1.4em; }
.ka-schritte li { margin-bottom: 12px; }

@media (max-width: 767px) {
  .ka-wege { grid-template-columns: 1fr; }
  .ka-seitenkopf { padding: 32px 0 28px; }
  .ka-inhalt { padding: 40px 0 64px; }
  .ka-hinweis { padding: 22px 20px; }
  .ka-termin { grid-template-columns: 1fr; }
  .ka-termin > div { padding: 24px; }
  .ka-inhalt { hyphens: auto; }
}