/* ============================================================
   ONLINE ABHEBEN – Haupt-Stylesheet
   Design: Apple-inspiriert, hoher Kontrast, Baskerville-Schrift
   Zielgruppe: Menschen im besten Alter
   ============================================================ */

/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Open+Sans:wght@400;600;700&display=swap');

/* === CSS VARIABLEN === */
:root {
  --farbe-himmel:       #1a1a2e;
  --farbe-cockpit:      #16213e;
  --farbe-gold:         #c9a84c;
  --farbe-gold-hell:    #e8c97a;
  --farbe-weiss:        #f8f8f8;
  --farbe-grau-hell:    #f0f0f0;
  --farbe-grau-mittel:  #888888;
  --farbe-text:         #1c1c1e;
  --farbe-text-hell:    #3a3a3c;
  --farbe-akzent:       #0a84ff;
  --farbe-erfolg:       #30d158;
  --farbe-warnung:      #ff9f0a;

  --schrift-serif:      'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --schrift-sans:       'Open Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;

  --radius-klein:       8px;
  --radius-mittel:      16px;
  --radius-gross:       24px;
  --radius-rund:        50px;

  --schatten-sanft:     0 2px 20px rgba(0,0,0,0.08);
  --schatten-mittel:    0 8px 40px rgba(0,0,0,0.12);
  --schatten-stark:     0 20px 60px rgba(0,0,0,0.20);

  --abstand-xs:         0.5rem;
  --abstand-s:          1rem;
  --abstand-m:          2rem;
  --abstand-l:          4rem;
  --abstand-xl:         8rem;

  --max-breite:         900px;
  --max-breite-weit:    1200px;
}

/* === RESET & BASIS === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 20px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--schrift-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--farbe-text);
  background-color: var(--farbe-weiss);
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHIE === */
h1, h2, h3, h4 {
  font-family: var(--schrift-serif);
  line-height: 1.3;
  color: var(--farbe-text);
  font-weight: 700;
}

h1 { font-size: 2.4rem; margin-bottom: 1.2rem; }
h2 { font-size: 1.9rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.6rem; }

p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--farbe-text-hell);
  margin-bottom: 1.4rem;
  max-width: 72ch;
}

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

a {
  color: var(--farbe-akzent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover { color: var(--farbe-gold); }

strong { color: var(--farbe-text); font-weight: 700; }

blockquote {
  border-left: 4px solid var(--farbe-gold);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--farbe-grau-hell);
  border-radius: 0 var(--radius-klein) var(--radius-klein) 0;
  font-family: var(--schrift-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--farbe-text);
}

/* === LAYOUT === */
.container {
  max-width: var(--max-breite);
  margin: 0 auto;
  padding: 0 var(--abstand-m);
}

.container--weit {
  max-width: var(--max-breite-weit);
  margin: 0 auto;
  padding: 0 var(--abstand-m);
}

.abschnitt {
  padding: var(--abstand-l) 0;
}

.abschnitt--hell { background-color: var(--farbe-weiss); }
.abschnitt--grau { background-color: var(--farbe-grau-hell); }
.abschnitt--dunkel {
  background-color: var(--farbe-himmel);
  color: var(--farbe-weiss);
}
.abschnitt--dunkel h1,
.abschnitt--dunkel h2,
.abschnitt--dunkel h3,
.abschnitt--dunkel p { color: var(--farbe-weiss); }

/* === NAVIGATION === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
  padding: 1rem var(--abstand-m);
}

.nav__inner {
  max-width: var(--max-breite-weit);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--schrift-serif);
  font-size: 1.4rem;
  color: var(--farbe-gold);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav__logo span { color: var(--farbe-weiss); }

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: rgba(248, 248, 248, 0.8);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav__links a:hover { color: var(--farbe-gold); }

.nav__cta {
  background: var(--farbe-gold);
  color: var(--farbe-himmel) !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-rund);
  font-weight: 700 !important;
}

.nav__cta:hover {
  background: var(--farbe-gold-hell) !important;
  color: var(--farbe-himmel) !important;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--farbe-himmel) 0%, var(--farbe-cockpit) 50%, #0d1b2a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem var(--abstand-m) var(--abstand-l);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(201, 168, 76, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero__sterne {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 10%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 60%, rgba(255,255,255,0.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 70%, rgba(255,255,255,0.2) 0%, transparent 100%);
  pointer-events: none;
}

.hero__inhalt {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__badge {
  display: inline-block;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid rgba(201, 168, 76, 0.4);
  color: var(--farbe-gold);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-rund);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 3rem;
  color: var(--farbe-weiss);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero h1 em {
  color: var(--farbe-gold);
  font-style: normal;
}

.hero__untertitel {
  font-size: 1.25rem;
  color: rgba(248, 248, 248, 0.75);
  margin-bottom: 3rem;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.hero__cta-gruppe {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-rund);
  font-family: var(--schrift-sans);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  text-align: center;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.btn--gold {
  background: linear-gradient(135deg, var(--farbe-gold) 0%, var(--farbe-gold-hell) 100%);
  color: var(--farbe-himmel);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.4);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.5);
  color: var(--farbe-himmel);
}

.btn--umriss {
  background: transparent;
  color: var(--farbe-weiss);
  border: 2px solid rgba(248, 248, 248, 0.4);
}

.btn--umriss:hover {
  border-color: var(--farbe-gold);
  color: var(--farbe-gold);
  transform: translateY(-2px);
}

.btn--gross {
  padding: 1.2rem 3rem;
  font-size: 1.15rem;
}

/* === STUFEN / LERNPFAD === */
.lernpfad {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.stufe-karte {
  background: var(--farbe-weiss);
  border-radius: var(--radius-mittel);
  padding: 2rem;
  box-shadow: var(--schatten-sanft);
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stufe-karte:hover {
  border-color: var(--farbe-gold);
  box-shadow: var(--schatten-mittel);
  transform: translateY(-4px);
}

.stufe-karte__nummer {
  font-family: var(--schrift-serif);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(201, 168, 76, 0.2);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stufe-karte__titel {
  font-family: var(--schrift-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--farbe-text);
  margin-bottom: 0.5rem;
}

.stufe-karte__zertifikat {
  display: inline-block;
  background: rgba(201, 168, 76, 0.1);
  color: var(--farbe-gold);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.8rem;
  border-radius: var(--radius-rund);
  margin-bottom: 1rem;
  border: 1px solid rgba(201, 168, 76, 0.3);
}

.stufe-karte p {
  font-size: 0.95rem;
  color: var(--farbe-grau-mittel);
  max-width: none;
}

/* === LEKTIONEN === */
.lektion {
  background: var(--farbe-weiss);
  border-radius: var(--radius-mittel);
  padding: 3rem;
  margin-bottom: 2rem;
  box-shadow: var(--schatten-sanft);
  border-left: 5px solid var(--farbe-gold);
}

.lektion__nummer {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--farbe-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.lektion h2 {
  font-size: 1.7rem;
  margin-bottom: 1.5rem;
}

.lektion__hinweis {
  background: rgba(10, 132, 255, 0.08);
  border: 1px solid rgba(10, 132, 255, 0.2);
  border-radius: var(--radius-klein);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.lektion__hinweis--gold {
  background: rgba(201, 168, 76, 0.08);
  border-color: rgba(201, 168, 76, 0.3);
}

.lektion__hinweis--erfolg {
  background: rgba(48, 209, 88, 0.08);
  border-color: rgba(48, 209, 88, 0.3);
}

/* === SYMBOLE / ICONS === */
.symbol-liste {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.symbol-liste li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--farbe-grau-hell);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--farbe-text-hell);
}

.symbol-liste li:last-child { border-bottom: none; }

.symbol-liste__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* === ZITAT-BOX === */
.zitat-box {
  background: linear-gradient(135deg, var(--farbe-himmel) 0%, var(--farbe-cockpit) 100%);
  border-radius: var(--radius-gross);
  padding: 3rem;
  margin: 3rem 0;
  text-align: center;
  color: var(--farbe-weiss);
}

.zitat-box__text {
  font-family: var(--schrift-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--farbe-weiss);
  margin-bottom: 1rem;
  max-width: none;
}

.zitat-box__quelle {
  font-size: 0.9rem;
  color: var(--farbe-gold);
  font-weight: 600;
  max-width: none;
}

/* === STATISTIK-KARTEN === */
.statistik-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.statistik-karte {
  text-align: center;
  padding: 2rem;
  background: var(--farbe-weiss);
  border-radius: var(--radius-mittel);
  box-shadow: var(--schatten-sanft);
}

.statistik-karte__zahl {
  font-family: var(--schrift-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--farbe-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.statistik-karte__text {
  font-size: 0.95rem;
  color: var(--farbe-grau-mittel);
  max-width: none;
}

/* === NEWSLETTER-FORMULAR === */
.newsletter-box {
  background: linear-gradient(135deg, var(--farbe-himmel) 0%, var(--farbe-cockpit) 100%);
  border-radius: var(--radius-gross);
  padding: 4rem 3rem;
  text-align: center;
  margin: 4rem 0;
}

.newsletter-box h2 {
  color: var(--farbe-weiss);
  margin-bottom: 1rem;
}

.newsletter-box p {
  color: rgba(248, 248, 248, 0.75);
  margin: 0 auto 2rem;
}

.newsletter-formular {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-formular input {
  flex: 1;
  min-width: 250px;
  padding: 1rem 1.5rem;
  border: 2px solid rgba(201, 168, 76, 0.3);
  border-radius: var(--radius-rund);
  background: rgba(255,255,255,0.1);
  color: var(--farbe-weiss);
  font-size: 1rem;
  font-family: var(--schrift-sans);
  outline: none;
  transition: border-color 0.2s ease;
}

.newsletter-formular input::placeholder {
  color: rgba(248, 248, 248, 0.5);
}

.newsletter-formular input:focus {
  border-color: var(--farbe-gold);
}

.newsletter-datenschutz {
  font-size: 0.8rem;
  color: rgba(248, 248, 248, 0.5);
  margin-top: 1rem;
  max-width: none;
}

/* === FUSSZEILE === */
.footer {
  background: var(--farbe-himmel);
  color: rgba(248, 248, 248, 0.6);
  padding: 3rem var(--abstand-m);
  text-align: center;
  border-top: 1px solid rgba(201, 168, 76, 0.15);
}

.footer__logo {
  font-family: var(--schrift-serif);
  font-size: 1.5rem;
  color: var(--farbe-gold);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  list-style: none;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.footer__links a {
  color: rgba(248, 248, 248, 0.5);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer__copyright {
  font-size: 0.85rem;
  color: rgba(248, 248, 248, 0.3);
  max-width: none;
}

/* === BREADCRUMB === */
.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--farbe-grau-mittel);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--farbe-akzent); }
.breadcrumb__trenner { color: var(--farbe-grau-mittel); }

/* === FORTSCHRITTSANZEIGE === */
.fortschritt {
  background: var(--farbe-grau-hell);
  border-radius: var(--radius-rund);
  height: 8px;
  margin: 1rem 0;
  overflow: hidden;
}

.fortschritt__balken {
  height: 100%;
  background: linear-gradient(90deg, var(--farbe-gold) 0%, var(--farbe-gold-hell) 100%);
  border-radius: var(--radius-rund);
  transition: width 0.5s ease;
}

/* === HAMBURGER MENU (MOBIL) === */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--farbe-weiss);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  html { font-size: 18px; }

  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero h1 { font-size: 2rem; }
  .hero__untertitel { font-size: 1.1rem; }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .lektion { padding: 2rem 1.5rem; }
  .newsletter-box { padding: 2.5rem 1.5rem; }
  .zitat-box { padding: 2rem 1.5rem; }

  .lernpfad { grid-template-columns: 1fr; }
  .statistik-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  html { font-size: 17px; }
  .container { padding: 0 1rem; }
  .hero__cta-gruppe { flex-direction: column; align-items: center; }
  .statistik-grid { grid-template-columns: 1fr; }
}

/* === HILFKLASSEN === */
.text-zentriert { text-align: center; }
.text-gold { color: var(--farbe-gold); }
.abstand-oben { margin-top: var(--abstand-m); }
.abstand-unten { margin-bottom: var(--abstand-m); }
.versteckt { display: none; }