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

:root {
  --blau:      #1a5276;
  --blau-hell: #2471a3;
  --akzent:    #f39c12;
  --text:      #1c1c1e;
  --text-hell: #4a4a4a;
  --hell-bg:   #f8f9fa;
  --dunkel-bg: #1a3a5c;
  --dunkel-text: #eaf2fb;
  --radius:    10px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 19px;          /* groß und lesbar */
  line-height: 1.7;
  color: var(--text);
  background: #fff;
}

/* ===== Navigation ===== */
header {
  background: var(--blau);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-name {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

nav ul a {
  color: #d6eaf8;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
  display: block;
}

nav ul a:hover,
nav ul a:focus {
  background: rgba(255,255,255,0.15);
  color: #fff;
  outline: none;
}

nav ul a.nav-cta {
  background: var(--akzent);
  color: #1c1c1e;
}

nav ul a.nav-cta:hover,
nav ul a.nav-cta:focus {
  background: #e67e22;
  color: #fff;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--blau) 0%, var(--blau-hell) 100%);
  color: #fff;
  padding: 80px 24px;
  text-align: center;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.25;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-sub {
  font-size: 1.2rem;
  line-height: 1.65;
  color: #d6eaf8;
  margin-bottom: 36px;
}

/* ===== Großer Button ===== */
.btn-gross {
  display: inline-block;
  background: var(--akzent);
  color: #1c1c1e;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 16px 40px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  letter-spacing: 0.01em;
}

.btn-gross:hover,
.btn-gross:focus {
  background: #e67e22;
  transform: translateY(-2px);
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.btn-gross:active {
  transform: translateY(0);
}

/* ===== Abschnitte ===== */
.abschnitt {
  padding: 72px 24px;
}

.abschnitt.hell {
  background: var(--hell-bg);
}

.abschnitt.dunkel {
  background: var(--dunkel-bg);
  color: var(--dunkel-text);
}

.abschnitt.dunkel h2 {
  color: #fff;
}

.inhalt {
  max-width: 900px;
  margin: 0 auto;
}

h2 {
  font-size: 1.9rem;
  color: var(--blau);
  margin-bottom: 32px;
  font-weight: 800;
}

/* ===== Karten ===== */
.karten {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.karte {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  text-align: center;
  border-top: 4px solid var(--blau-hell);
}

.karte-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.karte h3 {
  font-size: 1.1rem;
  color: var(--blau);
  margin-bottom: 10px;
  font-weight: 700;
}

.karte p {
  font-size: 1rem;
  color: var(--text-hell);
  line-height: 1.55;
}

/* ===== Über mich ===== */
.ueber-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.ueber-foto {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.3);
  flex-shrink: 0;
}

.ueber-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.liste {
  list-style: none;
  margin-top: 16px;
}

.liste li {
  padding: 8px 0;
  font-size: 1.05rem;
  color: var(--dunkel-text);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

/* ===== Kontaktformular ===== */
.kontakt-inhalt {
  max-width: 640px;
}

.kontakt-intro {
  font-size: 1.1rem;
  color: var(--text-hell);
  margin-bottom: 32px;
}

.feld {
  margin-bottom: 24px;
}

.feld label {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.pflicht {
  color: #c0392b;
}

.feld input,
.feld textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 1.05rem;
  font-family: inherit;
  border: 2px solid #b2bec3;
  border-radius: var(--radius);
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feld input:focus,
.feld textarea:focus {
  outline: none;
  border-color: var(--blau-hell);
  box-shadow: 0 0 0 3px rgba(36,113,163,0.2);
}

.feld input.ungueltig,
.feld textarea.ungueltig {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192,57,43,0.15);
}

.hinweis {
  font-size: 0.95rem;
  color: var(--text-hell);
  margin-top: -16px;
  margin-bottom: 24px;
  font-style: italic;
}

.feld textarea {
  resize: vertical;
  min-height: 140px;
}

/* ===== Formular-Meldungen ===== */
.meldung {
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.meldung.versteckt {
  display: none;
}

.meldung.erfolg {
  background: #d5f5e3;
  color: #1e8449;
  border: 2px solid #58d68d;
}

.meldung.fehler {
  background: #fadbd8;
  color: #922b21;
  border: 2px solid #f1948a;
}

/* ===== Senden-Button ===== */
#senden-btn {
  width: 100%;
  font-size: 1.2rem;
  padding: 18px;
}

#senden-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.vhs-link {
  display: inline-block;
  margin-top: 20px;
  color: #aed6f1;
  font-weight: 700;
  text-decoration: underline;
  font-size: 1rem;
  transition: color 0.2s;
}

.vhs-link:hover {
  color: #fff;
}

.karte-neu {
  position: relative;
}

.karte-anmeldung {
  font-size: 0.9rem;
  color: #666;
  margin-top: 10px;
  font-style: italic;
}

.badge {
  display: inline-block;
  margin-top: 14px;
  background: var(--akzent);
  color: #1c1c1e;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

@media (max-width: 600px) {
  .ueber-layout {
    flex-direction: column;
    align-items: center;
  }
  .ueber-foto {
    width: 160px;
    height: 160px;
  }
}

/* ===== Footer ===== */
footer {
  background: var(--blau);
  color: #a9cce3;
  text-align: center;
  padding: 32px 24px;
  font-size: 0.95rem;
  line-height: 2;
}

footer a {
  color: #d6eaf8;
  text-decoration: underline;
}

footer a:hover {
  color: #fff;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  body { font-size: 18px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 1.05rem; }
  h2 { font-size: 1.6rem; }
  nav { flex-direction: column; align-items: flex-start; padding: 12px 16px; }
  nav ul { gap: 4px; }
}