:root {
  color-scheme: dark;

  --background: #000000;
  --foreground: #f5f3ed;
  --muted: #999999;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;

  background: var(--background);
  color: var(--foreground);

  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* Main layout */

.landing {
  min-height: 100vh;
  min-height: 100dvh;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  padding: 32px 20px;
}

/* Logo */

/*
 * Das Originalbild ist quadratisch und hat
 * ober- und unterhalb des Schriftzugs Freiraum.
 * Der Rahmen reduziert diesen optischen Abstand.
 */

.logo-frame {
  width: min(90vw, 680px);
  aspect-ratio: 1.5 / 1;
  overflow: hidden;
}

.logo {
  display: block;
  width: 100%;
  height: auto;

  transform: translateY(-10%);
}

/* Instagram link */

.instagram-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  margin-top: 28px;
  padding: 12px 16px;

  color: var(--foreground);
  text-decoration: none;

  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;

  transition:
    color 180ms ease,
    transform 180ms ease;
}

.instagram-icon {
  width: 27px;
  height: 27px;
  flex-shrink: 0;
}

.instagram-link:hover {
  color: var(--muted);
  transform: translateY(-2px);
}

.instagram-link:focus-visible {
  outline: 2px solid var(--foreground);
  outline-offset: 5px;
  border-radius: 6px;
}

/* Mobile */

@media (max-width: 600px) {
  .landing {
    padding: 24px 12px;
  }

  .logo-frame {
    width: 96vw;
  }

  .instagram-link {
    margin-top: 18px;
    font-size: 15px;
  }

  .instagram-icon {
    width: 25px;
    height: 25px;
  }
}

/* Accessibility */

@media (prefers-reduced-motion: reduce) {
  .instagram-link {
    transition: none;
  }
}