/* =====================================================================
   Kinderschutzbund Bautzen – Onepager
   Stylesheet: css/style.css
   Verwendet auf allen drei Seiten (index, impressum, datenschutz)
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. CSS Custom Properties
   --------------------------------------------------------------------- */
:root {
  /* Primärfarbe */
  --color-primary: #0066a1;
  --color-primary-dark: #004974;
  --color-primary-light: #e8f1fa;

  /* Akzentfarben – aus dem Handbaum entnommen, sparsam eingesetzt */
  --color-accent-orange: #e8853a;
  --color-accent-green: #3f9142;
  --color-accent-pink: #cf3a72;
  --color-accent-purple: #6c4f9c;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f9fc;
  --color-text: #1a2733;
  --color-text-muted: #4d5c6b;
  --color-border: #dbe4ee;

  /* Schatten */
  --shadow-sm: 0 1px 3px rgba(8, 30, 60, 0.08);
  --shadow-md: 0 6px 20px rgba(8, 30, 60, 0.12);
  --shadow-lg: 0 12px 40px rgba(8, 30, 60, 0.16);

  /* Typografie */
  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --text-xs: clamp(0.8rem, 0.77rem + 0.15vw, 0.875rem);
  --text-sm: clamp(0.9rem, 0.86rem + 0.2vw, 1rem);
  --text-base: clamp(1.05rem, 1rem + 0.25vw, 1.15rem);
  --text-lg: clamp(1.2rem, 1.1rem + 0.5vw, 1.4rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 1.9rem);
  --text-2xl: clamp(1.9rem, 1.5rem + 2vw, 2.6rem);
  --text-hero: clamp(2.1rem, 1.6rem + 2.6vw, 3.2rem);

  /* Abstände */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6.5rem;

  /* Layout */
  --content-width: 46rem;
  --wide-width: 68rem;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Bewegung */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------------------------------------------------------------------
   2. Reset & Grundlagen
   --------------------------------------------------------------------- */
*,
*::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: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-primary);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-md);
}

p {
  margin: 0 0 var(--space-md);
}

ul {
  margin: 0;
  padding: 0;
}

/* Skip-Link für Tastaturnutzer:innen */
.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -3rem;
  background: var(--color-primary-dark);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}

/* Sichtbare, konsistente Fokus-States für alle interaktiven Elemente */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-accent-orange);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Bewegungsreduktion respektieren */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------------------------------------------------------------------
   3. Layout-Hilfsklassen
   --------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--wide-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.prose {
  max-width: var(--content-width);
  margin-inline: auto;
}

section {
  padding-block: var(--space-3xl);
}

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

/* ---------------------------------------------------------------------
   4. Header
   --------------------------------------------------------------------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  flex-wrap: wrap;
}

.site-header__logo-link {
  display: inline-flex;
}

.site-header img {
  height: 5.5rem;
  width: auto;
}

/* ---------------------------------------------------------------------
   5. Hero
   --------------------------------------------------------------------- */
.hero {
  background: var(--color-bg-alt);
  padding-block: var(--space-2xl) var(--space-3xl);
  text-align: center;
}

.hero__image-wrap {
  max-width: 26rem;
  margin: 0 auto var(--space-lg);
  animation: fade-up var(--transition-slow) both;
}

.hero__slogan {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-primary);
  font-size: var(--text-lg);
  max-width: 34rem;
  margin: 0 auto var(--space-lg);
  line-height: 1.5;
}

.hero h1 {
  font-size: var(--text-hero);
  max-width: 40rem;
  margin-inline: auto;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------------------------------------------------------------------
   6. Aufmacher (hervorgehobener Warnhinweis)
   --------------------------------------------------------------------- */
.callout {
  max-width: var(--content-width);
  margin: var(--space-2xl) auto 0;
  padding: var(--space-lg) var(--space-xl);
  background: #fff;
  border-left: 5px solid var(--color-accent-orange);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
}

/* ---------------------------------------------------------------------
   7. Textteil
   --------------------------------------------------------------------- */
.content-text {
  padding-block: var(--space-3xl);
}

.content-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.content-text p:first-of-type::first-letter {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 2.6em;
  float: left;
  line-height: 0.85;
  padding-right: 0.1em;
  padding-top: 0.05em;
}

/* ---------------------------------------------------------------------
   8. Veranstaltungs-Karte
   --------------------------------------------------------------------- */
.event {
  padding-block: 0 var(--space-3xl);
}

.event__card {
  max-width: var(--content-width);
  margin-inline: auto;
  background: var(--color-primary);
  background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.event__card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--color-accent-orange),
    var(--color-accent-pink),
    var(--color-accent-purple),
    var(--color-accent-green)
  );
}

.event__lead {
  margin-bottom: var(--space-md);
  font-size: var(--text-base);
  color: #e8f1fa;
}

.event__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: var(--space-lg);
}

.event__details {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.event__details dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #bcd6ef;
  margin-bottom: 0.2em;
}

.event__details dd {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
}

.event__closing {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: #fff;
}

@media (min-width: 640px) {
  .event__details {
    grid-template-columns: repeat(2, 1fr);
  }
  .event__details .event__location {
    grid-column: span 2;
  }
}

/* ---------------------------------------------------------------------
   9. Kontakt
   --------------------------------------------------------------------- */
.contact {
  background: var(--color-bg-alt);
  text-align: center;
}

.contact h2 {
  font-size: var(--text-2xl);
}

.contact__org {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
}

.contact__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.85em 1.5em;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact__links a:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.contact__links svg {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* ---------------------------------------------------------------------
   10. Footer
   --------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  font-size: var(--text-sm);
}

.site-footer__nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.site-footer__nav a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.site-footer img {
  height: 3.5rem;
  width: auto;
}

/* ---------------------------------------------------------------------
   11. Unterseiten (Impressum & Datenschutz)
   --------------------------------------------------------------------- */
.page-header {
  padding-block: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-alt);
}

.page-header h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 600;
}

.back-link:hover {
  text-decoration: underline;
}

.legal-content {
  padding-block: var(--space-2xl) var(--space-3xl);
}

.legal-content h2 {
  font-size: var(--text-lg);
  margin-top: var(--space-2xl);
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

.legal-content h3 {
  font-size: var(--text-base);
  margin-top: var(--space-lg);
}

.legal-content address {
  font-style: normal;
  line-height: 1.6;
  margin: 0 0 var(--space-md);
}

.legal-placeholder {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  margin-bottom: var(--space-md);
}

.legal-placeholder strong {
  display: block;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

/* ---------------------------------------------------------------------
   12. Responsive Anpassungen
   --------------------------------------------------------------------- */
@media (min-width: 640px) {
  section {
    padding-block: var(--space-4xl);
  }
  .callout {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header img {
    height: 3.75rem;
  }
  .site-footer img {
    height: 2.75rem;
  }
  .event__card {
    padding: var(--space-xl) var(--space-lg);
  }
}