:root {
  --primary-color: #1e3a8a; /* Dunkelblau */
  --accent-color: #3b82f6;  /* Helles Blau */
  --text-color: #111827;
  --background-color: #f9fafb;
  --footer-bg: #1f2937;
  --footer-text: #f3f4f6;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Roboto', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-body);
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 0;
}

/* ✅ Seite mit Hintergrundvideo */
#bg-picture {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  z-index: -1;
}



/* Spezifische Seitenbilder */
body.bangkok #bg-picture {
  background-image: url('../resources/bangkok.jpg');
}

body.newyork #bg-picture {
  background-image: url('../resources/newyork.jpg');
}

body.zurich #bg-picture {
  background-image: url('../resources/zurich.jpg');
}

body.tokio #bg-picture {
  background-image: url('../resources/tokio.jpg');
}

body.home #bg-picture {
  background-image: url('../resources/home.jpg');
}

body.zeitzonen #bg-picture {
  background-image: url('../resources/zeitzonen.jpg');
}

body.dokumentation #bg-picture {
  background-image: url('../resources/dokumentation.jpg');
}

body.toronto #bg-picture {
  background-image: url('../resources/toronto.jpg');
}

body.sydney #bg-picture {
  background-image: url('../resources/sydney.jpg');
}

body.moscow #bg-picture {
  background-image: url('../resources/moscow.jpg');
}

body.losangeles #bg-picture {
  background-image: url('../resources/losangeles.jpg');
}

body.london #bg-picture {
  background-image: url('../resources/london.jpg');
}

body.dubai #bg-picture {
  background-image: url('../resources/dubai.jpg');
}

body.capetown #bg-picture {
  background-image: url('../resources/capetown.jpg');
}

body.buenosaires #bg-picture {
  background-image: url('../resources/buenosaires.jpg');
}

/* ✅ Hauptinhalt über dem Video */
.page-container {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  background-color: rgba(255, 255, 255, 0.299); /* halbtransparent */
  backdrop-filter: blur(0px);
  min-height: 100vh;
  padding: 2rem;
  box-sizing: border-box;
}

/* Header */
header {
  background: var(--primary-color);
  padding: 1.5rem 2rem;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

/* Hauptinhalt */
main.start-inhalt {
  flex: 1;
  padding: 3rem 2rem;
  max-width: 800px;
  margin: auto;
}

.textbereich h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.start-text {
  font-size: 1.1rem;
  color: #374151;
  line-height: 1.8;
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
  }
}

/* Optional: Textbereich optisch abheben */
.textbereich {
  background-color: rgba(255, 255, 255, 0.8);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Knöpfe-buttons */

.button-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.zone-button {
  background-color: var(--primary-color);
  color: white;
  padding: 1rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  transition: background-color 0.3s, transform 0.2s;
}

.zone-button:hover {
  background-color: var(--accent-color);
  transform: scale(1.05);
}

/*Uhrzeit*/
#zeit {
  display: inline-block;
  font-size: 2.2rem; /* Größerer Text */
  font-family: var(--font-heading); /* Serifenlose, moderne Schrift */
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 0.5rem;
  padding: 0.2rem 0.6rem;
  background-color: rgba(255, 255, 255, 0.6);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease-in-out;
}

#zeit.updating {
  opacity: 0.5;
}