@font-face {
  font-family: "Hallmann";
  src: url("assets/jakarta-800.woff2") format("woff2");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}
:root {
  color-scheme: light;
  --paper: #f7f7f4;
  --pink: #e52369;
  --frame-width: min(1080px, calc(100vw - 48px), calc((100svh - 206px) * 16 / 9));
  font-family: Arial, Helvetica, sans-serif;
  background: var(--paper);
  color: #171717;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
a, button { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { font: inherit; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, .presentation:focus-visible { outline: 3px solid var(--pink); outline-offset: 5px; }
.masthead { padding: 22px 22px 15px; display: flex; justify-content: center; }
.brands { display: flex; align-items: center; justify-content: center; gap: 26px; }
.brands a { display: flex; text-decoration: none; }
.heating-brand img { display: block; width: 280px; height: auto; }
.brand-cross { color: #9b9b95; font-size: 27px; font-weight: 300; }
.hallmann-brand { gap: 5px; align-items: center; }
.hallmann-brand img { width: 41px; height: 41px; }
.hallmann-brand span { font-family: "Hallmann", Arial, sans-serif; font-size: 17px; font-weight: 800; letter-spacing: -.04em; color: #111214; }
main { width: 100%; padding: 0 0 30px; text-align: center; }
.preview-label { display: block; margin: 0 auto 6px; padding: 7px 16px; color: #85857f; font-size: 10px; line-height: 1.2; letter-spacing: .13em; }
.presentation { width: var(--frame-width); margin: 18px auto 0; outline: none; }
.video-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; background: #1f2325; box-shadow: 0 14px 28px -12px #00000024, 0 0 0 1px #00000004; }
video { display: block; width: 100%; height: 100%; object-fit: contain; cursor: pointer; }
.music-button { position: absolute; left: 50%; bottom: 25px; transform: translateX(-50%); z-index: 2; display: flex; align-items: center; justify-content: center; gap: 12px; width: min(340px, calc(100% - 28px)); min-height: 60px; padding: 15px 12px; border: 2px solid #ffffffb3; border-radius: 14px; background: #d91e60; color: #fff; font-size: clamp(13px, 4vw, 17px); font-weight: 700; line-height: 1.2; box-shadow: 0 10px 30px #b9145452, 0 0 0 5px #ffffff66; cursor: pointer; }
.music-button:hover { background: #cb1a5b; }
.music-button:active { transform: translateX(-50%) scale(.98); }
.music-button svg { width: 23px; height: 23px; flex: 0 0 auto; fill: currentColor; }
.music-button .sound-waves { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 700px) {
  :root { --frame-width: min(calc(100vw - 32px), calc((100svh - 164px) * 16 / 9)); }
  .masthead { padding: 18px 14px 10px; }
  .brands { gap: 10px; }
  .heating-brand img { width: clamp(136px, 43vw, 220px); }
  .hallmann-brand img { width: 30px; height: 30px; }
  .hallmann-brand span { font-size: 13px; }
  .brand-cross { font-size: 22px; }
  main { padding-bottom: 22px; }
  .presentation { margin-top: 15px; }
  .video-frame { border-radius: 10px; }
  .music-button { bottom: 14px; min-height: 54px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}