/* === Bratonien CI-Farben === */
:root {
  --ci-darkgreen:   #104f3a;
  --ci-gold:        #c8aa49;
  --ci-blue:        #1a3765;
  --ci-beige:       #d9c27f;
  --ci-creamwhite:  #f7f3e8;
}

/* === Reset & Grundstruktur === */
*,
*::before,
*::after {
  box-sizing: border-box; 
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100dvh;
  width: 100%;
  overflow-x: hidden; /* horizontales Scrollen verhindern, vertikal zulassen */
  overflow-y: auto;
  font-family: sans-serif;
  color: var(--ci-creamwhite);
  background: linear-gradient(180deg, var(--ci-darkgreen), var(--ci-blue));
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
}

/* === Hauptbereich === */
main {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

/* === Überschrift === */
main > h1 {
  flex: 0 0 auto;
  font-size: 1.8rem;
  text-align: center;
  margin: 0.5rem 0;
  padding: 0 1rem;
}

/* === Bildcontainer === */
.kalenderbild {
  flex: 1 1 auto;
  position: relative; /* Bezugsrahmen für Overlay */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.5rem;
}

/* === Bild selbst === */
.kalenderbild img {
  display: block;
  max-width: 100%;
  max-height: calc(95dvh - 3rem); /* Platz für h1 */
  height: auto;
  width: auto;
  border: 4px solid var(--ci-gold);
  border-radius: 12px;
}

/* === FOOTER === */
.main-footer {
  background-color: #104f3a; /* CI-Dunkelgrün */
  color: #f7f3e8;           /* CI-Cremeweiß */
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
  margin-top: 4rem;
  border-top: 3px solid #c8aa49; /* Goldene Linie */
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.footer-brand {
  font-weight: 600;
  letter-spacing: 0.03em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
}

.footer-links a {
  color: #c8aa49;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #f7f3e8;
  text-decoration: underline;
}

.footer-links .divider {
  color: rgba(247, 243, 232, 0.4);
}

.legal-note {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: rgba(247, 243, 232, 0.7);
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .footer-links {
    flex-direction: column;
    gap: 0.4rem;
  }

  .footer-links .divider {
    display: none;
  }
}

/* === Grundstruktur Header === */
.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1000;

  padding: 0.75rem 2rem;
  background: rgba(16, 79, 58, 0.85); /* CI-Grün mit Transparenz */
  backdrop-filter: blur(6px);
  color: #f7f3e8;
  border-bottom: 2px solid #c8aa49;
}

/* === Logo === */
.main-header .logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.main-header .logo img {
  display: block;
  height: 42px;
  width: auto;
  max-width: 100%;
  vertical-align: middle;
}

@media (max-width: 600px) {
  .main-header .logo img {
    height: 36px;
  }
}

/* === Titel === */
.main-header .header-title {
  flex: 1;
  text-align: center;
}

.main-header .header-title h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #f7f3e8;
}

@media (max-width: 600px) {
  .main-header .header-title h1 {
    font-size: 1.2rem;
  }
}

/* === Navigation === */
.main-header .main-nav {
  display: flex;
  gap: 1.5rem;
}

.main-header .main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.main-header .main-nav a {
  color: #f7f3e8;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-header .main-nav a:hover {
  color: #c8aa49;
}

/* === Burger-Menü === */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;

  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1200;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #f7f3e8;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* === Burger aktiv === */
.burger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* === Mobile Navigation === */
@media (max-width: 900px) {
  .main-header {
    flex-wrap: wrap;
  }

  .burger {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;

    flex-direction: column;
    align-items: center;
    background: rgba(16, 79, 58, 0.95);
    backdrop-filter: blur(8px);

    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .main-nav.active {
    max-height: 300px; /* oder auto, wenn du willst */
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem 0;
  }

  .main-nav a {
    font-size: 1.1rem;
  }
}

/* === Scrollverhalten === */
.main-header.scrolled {
  background: rgba(16, 79, 58, 0.95);
  border-bottom-color: #a08a36;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}