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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--color-text-dark);
  background-color: var(--color-bg);
  line-height: 1.6;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* === CUSTOM PROPERTIES === */
:root {
  --color-primary:      #003f8a;
  --color-primary-dark: #002d63;
  --color-primary-light:#1a5fb4;
  --color-white:        #ffffff;
  --color-text-light:   #ffffff;
  --color-text-dark:    #1a1a2e;
  --color-bg:           #f5f7fa;
  --color-card-bg:      #ffffff;
  --color-border:       #d0dce8;
  --nav-height:         72px;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;

  --radius:    6px;
  --shadow:    0 2px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* === HEADER & NAVIGATION === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-primary);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  box-shadow: var(--shadow-lg);
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  height: 68px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-list > li {
  position: relative;
}

.nav-list > li > a {
  display: block;
  padding: 0.5rem var(--space-sm);
  color: var(--color-text-light);
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background-color 0.2s;
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
  background-color: var(--color-primary-light);
}

/* === DROPDOWN === */
.has-dropdown > a::after {
  content: ' ▾';
  font-size: 0.75em;
  opacity: 0.8;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 8px;
  min-width: 190px;
  background-color: transparent;
  border-radius: var(--radius);
}

.dropdown::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-primary-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: -1;
}

.has-dropdown:hover .dropdown {
  display: block;
}

.dropdown li a {
  display: block;
  padding: 0.65rem var(--space-sm);
  color: var(--color-text-light);
  font-family: 'Open Sans', sans-serif;
  font-size: 0.9rem;
  transition: background-color 0.2s;
}

.dropdown li a:hover {
  background-color: var(--color-primary-light);
}

/* === HERO (Startseite) === */
.hero {
  position: relative;
  width: 100%;
  min-height: 420px;
  background-image: url('../assets/titelbild.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(0, 31, 80, 0.58);
}

.hero-content {
  position: relative;
  text-align: center;
  color: var(--color-text-light);
  padding: var(--space-lg) var(--space-md);
}

.hero-content h1 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2rem, 6vw, 3.8rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  line-height: 1.15;
}

.hero-content p {
  margin-top: var(--space-sm);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: 0.9;
}

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* === ABSCHNITT-ÜBERSCHRIFT === */
.section-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 3px solid var(--color-primary-light);
}

/* === AKTUELLES / KARTEN === */
.aktuelles {
  padding: var(--space-xl) 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.card-date {
  font-size: 0.8rem;
  color: var(--color-primary-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.card-text {
  font-size: 0.92rem;
  color: #4a4a6a;
  flex: 1;
}

.card-link {
  display: inline-block;
  margin-top: var(--space-xs);
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.card-link:hover {
  color: var(--color-primary-dark);
}

/* === FOOTER === */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  margin-top: auto;
}

.footer-insta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  opacity: 0.85;
  transition: opacity 0.2s;
}

.footer-insta:hover {
  opacity: 1;
}

.footer-insta svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.site-footer p {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: var(--space-xs);
}

/* === UNTERSEITEN – PAGE HERO === */
.page-hero {
  background-color: var(--color-primary);
  background-image: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  color: var(--color-text-light);
}

.page-hero h1 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* === UNTERSEITEN – CONTENT === */
.page-content {
  padding: var(--space-xl) var(--space-md);
}

/* Tabellen */
.content-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
  font-size: 0.95rem;
}

.content-table th,
.content-table td {
  text-align: left;
  padding: 0.75rem var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.content-table th {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.content-table tr:hover td {
  background-color: #eef3fa;
}

/* Zeitstrahl (Chronik) */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin-top: var(--space-md);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-md);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.625rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-year {
  font-family: 'Oswald', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.timeline-text {
  font-size: 0.92rem;
  color: var(--color-text-dark);
  margin-top: 0.15rem;
}

/* Sponsoren-Raster */
.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.sponsor-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.sponsor-placeholder {
  width: 100%;
  height: 80px;
  background-color: var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.8rem;
}

/* Vorstandschaft-Karten */
.board-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.board-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
}

.board-name {
  font-family: 'Oswald', sans-serif;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  font-weight: 600;
}

.board-role {
  font-size: 0.9rem;
  color: var(--color-primary-light);
  margin-top: 0.25rem;
  font-weight: 600;
}

/* Download-Links (Anträge) */
.download-list {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.download-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  color: var(--color-primary-dark);
  font-weight: 600;
  transition: background-color 0.2s, transform 0.2s;
}

.download-item:hover {
  background-color: #eef3fa;
  transform: translateX(4px);
}

.download-item svg {
  width: 24px;
  height: 24px;
  fill: var(--color-primary);
  flex-shrink: 0;
}

/* Impressum */
.impressum-block {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  margin-bottom: var(--space-md);
}

.impressum-block h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.impressum-block p,
.impressum-block address {
  font-size: 0.95rem;
  font-style: normal;
  color: var(--color-text-dark);
  line-height: 1.8;
}

/* Info-Box */
.info-box {
  background-color: #eef3fa;
  border-left: 4px solid var(--color-primary-light);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.92rem;
  color: #3a3a5c;
}

/* === HAMBURGER BUTTON === */
.nav-toggle-input {
  display: none;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}

.nav-toggle-label span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* X-Animation wenn offen */
.nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* === RESPONSIVE === */

/* Tablet (iPad) – ab 768px */
@media (min-width: 768px) {
  .board-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-header {
    padding: 0 var(--space-lg);
  }

  .hero {
    min-height: 520px;
  }
}

/* Desktop – ab 1024px */
@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .board-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero {
    min-height: 600px;
  }
}

/* Schmaler werdend (600px–899px): weniger Rand, Aktuelles zentriert */
@media (max-width: 899px) and (min-width: 600px) {
  .container {
    padding-inline: var(--space-sm);
  }

  .section-title {
    text-align: center;
  }

  .nav-list > li > a {
    font-size: 0.85rem;
    padding: 0.45rem 0.6rem;
  }
}

/* iPhone – bis 599px: Hamburger-Menü */
@media (max-width: 599px) {
  .site-header {
    position: sticky;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    height: auto;
    padding: var(--space-sm) var(--space-md);
  }

  /* Hamburger links, Logo rechts */
  .nav-toggle-label {
    display: flex;
    order: 1;
  }

  .logo-link {
    order: 2;
    margin-left: auto;
  }

  .main-nav {
    order: 3;
  }

  /* Nav eingeklappt */
  .main-nav {
    display: none;
    width: 100%;
    background-color: var(--color-primary-dark);
    border-radius: var(--radius);
    margin-top: var(--space-xs);
    padding: var(--space-xs) 0;
  }

  /* Nav ausgeklappt wenn Checkbox aktiv */
  .nav-toggle-input:checked ~ .main-nav {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
  }

  .nav-list > li {
    width: 100%;
  }

  .nav-list > li > a {
    border-radius: 0;
    padding: 0.65rem var(--space-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
  }

  /* Dropdowns im Hamburger-Menü: statisch positioniert, Hover zeigt sie */
  .dropdown {
    position: static;
    display: none;
    padding-top: 0;
    background-color: transparent;
  }

  .has-dropdown:hover .dropdown {
    display: block;
  }

  .dropdown::before {
    display: none;
  }

  .dropdown li a {
    padding-left: calc(var(--space-sm) + 1rem);
    background-color: rgba(0, 0, 0, 0.2);
  }

  /* Weniger Rand, Aktuelles zentriert */
  .container {
    padding-inline: var(--space-sm);
  }

  .section-title {
    text-align: center;
  }

  /* Tabellen scrollbar auf kleinen Screens */
  .content-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}