/* Mobile First Styling */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-overlay: rgba(0, 0, 0, 0.55);
  --text-main: #ffffff;
  --text-muted: #e0e0e0;
  --accent: #f5f5f5;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-main);
  color: var(--text-main);
  background-image: url("../images/LandingLogo.jpg");
  /* Bildhoehe folgt immer der Hoehe des Browserfensters; Breite proportional */
  background-size: auto 100vh;
  background-size: auto 100dvh;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  position: relative;
}

/* Mobile-First Typografie: bewusst kompakt fuer sehr schmale Viewports. */
h1,
h2,
h3,
h4,
h5 {
  margin-top: 0;
  line-height: 1.15;
}

h1 { font-size: 1.55rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 1rem; }

/* Dunkle Overlay-Schicht über dem Bild */
.overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 0;
}

/* Inhalt zentrieren */
.content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2.5rem 0.4rem 9rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Headlines */
.headline {
  width: 100%;
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.subline {
  margin: 0 0 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Footer dauerhaft am unteren Fensterrand */
.site-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: 100%;
  padding: 0 0.25rem 0.6rem;
  text-align: center;
}

/* Countdown: auch auf sehr kleinen Displays immer eine Zeile. */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.2rem;
  width: 100%;
  max-width: 420px;
  margin: 0 auto 0.5rem;
}

.time-box {
  min-width: 0;
  padding: 0.5rem 0.1rem;
  border-radius: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  white-space: nowrap;
}

.time-number {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
}

.time-label {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.46rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  color: var(--accent);
  white-space: nowrap;
}

/* Info-Text unter dem Countdown */
.info-message {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Sehr kleine Smartphones ab 240 px */
@media (min-width: 240px) {
  h1 { font-size: 1.65rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.3rem; }
  h4 { font-size: 1.15rem; }
  h5 { font-size: 1rem; }

  .headline {
    font-size: 1.25rem;
    letter-spacing: 0.025em;
  }

  .countdown {
    gap: 0.25rem;
  }

  .time-box {
    padding: 0.55rem 0.12rem;
  }

  .time-number {
    font-size: 1.2rem;
  }

  .time-label {
    font-size: 0.48rem;
    letter-spacing: 0.02em;
  }
}

/* Smartphones ab 320 px */
@media (min-width: 320px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.7rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.3rem; }
  h5 { font-size: 1.1rem; }

  .content {
    padding-inline: 0.75rem;
    padding-bottom: 10rem;
  }

  .headline {
    font-size: 1.5rem;
    letter-spacing: 0.04em;
  }

  .subline {
    font-size: 0.9rem;
  }

  .site-footer {
    padding: 0 0.5rem 0.8rem;
  }

  .countdown {
    gap: 0.4rem;
  }

  .time-box {
    padding: 0.65rem 0.2rem;
    border-radius: 0.7rem;
  }

  .time-number {
    font-size: 1.4rem;
  }

  .time-label {
    font-size: 0.58rem;
    letter-spacing: 0.04em;
  }

  .info-message {
    font-size: 0.78rem;
  }
}

/* Groessere Smartphones */
@media (min-width: 480px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.95rem; }
  h3 { font-size: 1.7rem; }
  h4 { font-size: 1.45rem; }
  h5 { font-size: 1.2rem; }

  .content {
    padding-inline: 1.5rem;
  }

  .headline {
    font-size: 2rem;
    letter-spacing: 0.06em;
  }

  .site-footer {
    padding-inline: 1rem;
    padding-bottom: 1rem;
  }

  .countdown {
    gap: 0.7rem;
  }

  .time-box {
    padding: 0.8rem 0.4rem;
  }

  .time-number {
    font-size: 1.7rem;
  }

  .time-label {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }
}

/* Tablet + Desktop Anpassungen */
@media (min-width: 768px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2.35rem; }
  h3 { font-size: 2rem; }
  h4 { font-size: 1.7rem; }
  h5 { font-size: 1.4rem; }

  .content {
    padding: 3rem 2rem 9rem;
  }

  .site-footer {
    padding: 0 2rem 1.5rem;
  }

  .headline {
    font-size: clamp(2.6rem, 4vw, 3.4rem);
    letter-spacing: 0.08em;
  }

  .subline {
    font-size: 1.05rem;
  }

  .countdown {
    gap: 1.2rem;
  }

  .time-box {
    padding: 1.1rem 0.9rem;
    border-radius: 0.9rem;
  }

  .time-number {
    font-size: 2.1rem;
  }

  .time-label {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
  }

  .info-message {
    font-size: 0.85rem;
  }
}