/* ============================================================
   „Gut ankommen" — Online-Elternkongress
   Stylesheet. Tokens + Komponenten aus dem Claude-Designer-Prototyp
   1:1 übernommen (siehe docs/design-system-extracted.md).
   Layout der Abschnitte: Inline-Styles im HTML (so wie im Hand-off).
   ============================================================ */

/* ---------- LOKALE FONTS (kein Google-CDN zur Laufzeit) ---------- */
/* Bricolage Grotesque + Mulish als variable woff2 (OFL, lokal gehostet). */
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/BricolageGrotesque.woff2") format("woff2");
}
@font-face {
  font-family: "Mulish";
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/Mulish.woff2") format("woff2");
}
@font-face {
  font-family: "Mulish";
  font-style: italic;
  font-weight: 400 800;
  font-display: swap;
  src: url("../fonts/Mulish-Italic.woff2") format("woff2");
}

/* ---------- DESIGN TOKENS (exakt aus dem Design-System) ---------- */
:root {
  /* Farben — Creme */
  --cream-50: #FDFBF6; --cream-100: #FAF5EB; --cream-200: #F3EAD9;
  --cream-300: #EADDC7; --cream-400: #DFCDAF;
  /* Petrol */
  --petrol-50: #E7F0F0; --petrol-100: #C6DDDD; --petrol-200: #97BFC0;
  --petrol-300: #5E9698; --petrol-400: #2E7074; --petrol-500: #14565C;
  --petrol-600: #11484D; --petrol-700: #0D383C; --petrol-800: #0A2B2E;
  /* Amber */
  --amber-50: #FBF1DD; --amber-100: #F6DDB0; --amber-200: #EFC178;
  --amber-300: #E8A648; --amber-400: #DC8B2B; --amber-500: #BE7320; --amber-600: #95591A;
  /* Warme Neutraltöne */
  --ink-900: #221E19; --ink-800: #322C24; --ink-700: #3F3830; --ink-500: #6B6157;
  --ink-400: #8A8073; --ink-300: #B7AD9D; --ink-200: #DBD2C3; --ink-100: #EDE6DA;
  --white: #FFFFFF;
  /* Status */
  --success-500: #4C8B63; --success-50: #E4F0E8;
  --warning-500: #DC8B2B; --warning-50: #FBF1DD;
  --error-500: #C0493C; --error-50: #F8E6E3;
  --info-500: #2E7074; --info-50: #E7F0F0;
  /* Semantische Flächen & Text */
  --surface-page: var(--cream-100); --surface-sunken: var(--cream-200);
  --surface-card: var(--white); --surface-raised: var(--cream-50);
  --surface-inverse: var(--petrol-500); --surface-inverse-deep: var(--petrol-700);
  --text-strong: var(--ink-900); --text-body: var(--ink-700); --text-muted: var(--ink-500);
  --text-faint: var(--ink-400); --text-on-dark: var(--cream-50);
  --text-on-dark-muted: var(--petrol-100); --text-accent: var(--amber-500); --text-link: var(--petrol-500);
  --border-subtle: var(--ink-200); --border-strong: var(--ink-300);
  --border-accent: var(--amber-300); --border-on-dark: rgba(255, 255, 255, 0.16);
  --brand-primary: var(--petrol-500); --brand-primary-hover: var(--petrol-600); --brand-primary-press: var(--petrol-700);
  --brand-accent: var(--amber-400); --brand-accent-hover: var(--amber-500); --brand-accent-press: var(--amber-600);
  --focus-ring: var(--amber-300);

  /* Typografie */
  --font-display: "Bricolage Grotesque", "Mulish", system-ui, sans-serif;
  --font-body: "Mulish", system-ui, -apple-system, sans-serif;
  --text-2xs: 0.75rem; --text-xs: 0.8125rem; --text-sm: 0.9375rem; --text-base: 1.0625rem;
  --text-lg: 1.1875rem; --text-xl: 1.4375rem; --text-2xl: 1.75rem; --text-3xl: 2.1875rem;
  --text-4xl: 2.75rem; --text-5xl: 3.5rem; --text-6xl: 4.5rem;
  --weight-regular: 400; --weight-medium: 500; --weight-semibold: 600; --weight-bold: 700; --weight-extra: 800;
  --leading-tight: 1.08; --leading-snug: 1.22; --leading-normal: 1.5; --leading-relaxed: 1.65;
  --tracking-tight: -0.02em; --tracking-snug: -0.01em; --tracking-normal: 0;
  --tracking-wide: 0.04em; --tracking-caps: 0.08em;
  --font-eyebrow-size: var(--text-2xs); --font-eyebrow-spacing: var(--tracking-caps);

  /* Spacing */
  --space-0: 0; --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.5rem; --space-6: 2rem; --space-7: 2.5rem; --space-8: 3rem; --space-9: 4rem;
  --space-10: 5rem; --space-11: 6.5rem; --space-12: 8rem;
  --gutter: var(--space-5); --section-padding: var(--space-11); --card-padding: var(--space-6);
  --content-max: 1140px; --prose-max: 680px;

  /* Radius / Shadows / Motion */
  --radius-xs: 6px; --radius-sm: 10px; --radius-md: 14px; --radius-lg: 20px;
  --radius-xl: 28px; --radius-2xl: 36px; --radius-pill: 999px;
  --shadow-xs: 0 1px 2px rgba(34, 30, 25, 0.05);
  --shadow-sm: 0 2px 6px -1px rgba(34, 30, 25, 0.07);
  --shadow-md: 0 6px 18px -6px rgba(34, 30, 25, 0.12);
  --shadow-lg: 0 18px 42px -14px rgba(34, 30, 25, 0.16);
  --shadow-xl: 0 32px 64px -20px rgba(34, 30, 25, 0.20);
  --shadow-petrol: 0 14px 34px -12px rgba(20, 86, 92, 0.34);
  --shadow-amber: 0 12px 28px -10px rgba(220, 139, 43, 0.36);
  --focus-ring-width: 3px;
  --focus-ring-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-gentle: cubic-bezier(0.33, 0, 0.2, 1);
  --duration-fast: 140ms; --duration-base: 220ms; --duration-slow: 360ms;
  --transition-base: all var(--duration-base) var(--ease-standard);
}

/* ---------- BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-body);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text-strong);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--weight-bold);
  margin: 0;
}
p { margin: 0; }
a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; }
::selection { background: var(--amber-200); color: var(--ink-900); }

/* ---------- BUTTON ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: var(--weight-bold);
  line-height: 1;
  letter-spacing: var(--tracking-snug);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: background var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard);
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring-shadow); }
.btn:active { transform: scale(0.985); }

.btn-sm { font-size: var(--text-sm); padding: 8px 16px; min-height: 38px; border-radius: var(--radius-sm); gap: 8px; }
.btn-md { font-size: var(--text-base); padding: 12px 22px; min-height: 48px; border-radius: var(--radius-md); gap: 9px; }
.btn-lg { font-size: var(--text-lg); padding: 16px 30px; min-height: 58px; border-radius: var(--radius-md); gap: 11px; }
.btn-full { width: 100%; }

.btn-primary { background: var(--brand-primary); color: var(--text-on-dark); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--brand-primary-hover); transform: translateY(-1px); }
.btn-primary:active { background: var(--brand-primary-press); transform: scale(0.985); }

.btn-accent { background: var(--brand-accent); color: var(--ink-900); box-shadow: var(--shadow-amber); }
.btn-accent:hover { background: var(--brand-accent-hover); transform: translateY(-1px); }
.btn-accent:active { background: var(--brand-accent-press); transform: scale(0.985); }

.btn-secondary { background: var(--surface-card); color: var(--petrol-600); border-color: var(--border-strong); box-shadow: var(--shadow-xs); }
.btn-secondary:hover { background: var(--cream-50); transform: translateY(-1px); }
.btn-secondary:active { transform: scale(0.985); }

/* ---------- FORMULARFELD ---------- */
.field { display: flex; flex-direction: column; gap: 7px; width: 100%; }
.field-label { font-family: var(--font-body); font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--text-body); }
.field-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--text-strong);
  padding: 15px 16px;
  min-height: 56px;
  background: var(--surface-card);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}
.field-input::placeholder { color: var(--text-faint); }
.field-input:focus { border-color: var(--amber-300); box-shadow: var(--focus-ring-shadow); }
.field-input.is-error { border-color: var(--error-500); }
.field-error { font-size: var(--text-sm); color: var(--error-500); display: none; }
.field-error.is-visible { display: block; }

/* ---------- AKKORDEON ---------- */
.accordion { display: flex; flex-direction: column; gap: var(--space-3); }
.accordion-item {
  background: var(--surface-card);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-standard);
}
.accordion-item.is-open { border-color: var(--border-accent); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 18px 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-strong);
  letter-spacing: var(--tracking-snug);
}
.accordion-icon {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--amber-50);
  color: var(--amber-500);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  font-family: var(--font-body);
  transition: transform var(--duration-base) var(--ease-out),
              background var(--duration-fast) var(--ease-standard);
}
.accordion-item.is-open .accordion-icon { transform: rotate(45deg); background: var(--amber-100); }
.accordion-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--duration-base) var(--ease-standard); }
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel > div { overflow: hidden; }
.accordion-answer { padding: 0 20px 20px; font-family: var(--font-body); font-size: var(--text-base); color: var(--text-body); line-height: var(--leading-relaxed); }

/* ---------- HEADER / NAV (Burger auf Mobil) ---------- */
.nav-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  color: var(--ink-800);
  cursor: pointer;
}

/* ---------- ANIMATIONEN (Modal) ---------- */
@keyframes ok-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes ok-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.modal-backdrop { animation: ok-fade 200ms var(--ease-standard); }
.modal-card { animation: ok-rise 280ms var(--ease-out); }
body.modal-open { overflow: hidden; }
[hidden] { display: none !important; }

/* ============================================================
   RESPONSIVE — der Prototyp ist auf ~1140px ausgelegt.
   Auf Mobil: Spalten brechen einspaltig um, Nav wird Burger,
   Überschriften und Abstände werden kleiner.
   ============================================================ */
@media (max-width: 880px) {
  .r-collapse { grid-template-columns: 1fr !important; }
  .r-collapse.r-gap { gap: 32px !important; }
}
@media (max-width: 760px) {
  .site-nav-links {
    display: none !important;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 4px !important;
    background: var(--cream-50);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
    padding: 12px 20px 18px !important;
  }
  .site-nav-links.is-open { display: flex !important; }
  .nav-burger { display: inline-flex; }
  .site-header-inner { position: relative; }
  /* Abschnittsabstände + Innenabstände reduzieren */
  main section > div { padding-left: 20px !important; padding-right: 20px !important; }
  main section > div { padding-top: 56px !important; padding-bottom: 56px !important; }
}
@media (max-width: 600px) {
  h1 { font-size: 31px !important; }
  h2 { font-size: 25px !important; }
  /* Hero-„3 Tage"-Karte nicht über den Rand schieben */
  .hero-badge { left: 0 !important; bottom: -16px !important; }
}

/* Reduzierte Bewegung respektieren */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}