/* Quiet Horizon: approved public presentation, with original assets and no app styles. */
:root {
  color-scheme: light;
  --paper: #f4f2e9;
  --ink: #244535;
  --muted: #617061;
  --rule: #d7dacd;
  --gold: #e7c880;
  --edge: #b49a60;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #f7f5ee 0%, #f4f2e9 57%, #e9ede2 100%);
}
.page {
  max-width: 1100px;
  min-height: max(800px, 100svh);
  margin: 0 auto;
  padding: 22px 6% 0;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid #ad8a49; outline-offset: 5px; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}
.top > span { letter-spacing: 1.7px; }
.quiet-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 6px 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
}
.stage {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 12px;
}
.identity { max-width: 260px; width: 100%; position: relative; z-index: 1; }
.shield { display: block; width: 132px; height: auto; object-fit: contain; margin: 0 auto; }
h1 {
  margin: 14px 0 0;
  color: var(--muted);
  font: italic 17px/1.5 Georgia, 'Times New Roman', serif;
  letter-spacing: .1px;
}
.introduction { position: relative; z-index: 1; margin-top: 23px; max-width: 500px; }
.description {
  margin: 0 0 21px;
  color: var(--ink);
  font: normal 19px/1.6 Georgia, 'Times New Roman', serif;
}
.signin {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
  min-width: 176px;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--edge);
  border-radius: 5px;
  background: var(--gold);
  color: #203f2f;
  font-size: 13px;
  font-weight: bold;
  line-height: 1.4;
  text-decoration: none;
}
.invitation { margin: 13px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.art-accent {
  width: min(460px, 72%);
  aspect-ratio: 1.9 / 1;
  position: relative;
  margin: 18px 0 0;
  opacity: .38;
  mask-image: linear-gradient(to right, transparent 0%, #000 4%, #000 96%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 4%, #000 96%, transparent 100%);
}
.art-accent img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 58%;
  filter: saturate(.48) sepia(.14);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 13%, #000 86%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 13%, #000 86%, transparent 100%);
}
.footer {
  padding: 17px 0 19px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 1.6px;
  line-height: 1.5;
  position: relative;
  z-index: 1;
  margin-top: auto;
}
.about { max-width: 550px; width: 100%; margin: 26px 0; padding-bottom: 20px; text-align: left; }
.about h2 { margin: 0 0 18px; color: var(--ink); font: normal 26px/1.25 Georgia, serif; }
.about p { margin: 0 0 16px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.back { display: inline-flex; align-items: center; min-height: 44px; padding: 7px 0; color: var(--ink); font-size: 13px; line-height: 1.4; font-weight: bold; text-decoration: none; }
.not-found-page .stage { justify-content: center; gap: 24px; padding-bottom: 60px; }
.error-heading { margin: 0 0 18px; color: var(--ink); font: normal 30px/1.25 Georgia, serif; }
@media (max-width: 740px) {
  .page { padding-left: 5%; padding-right: 5%; }
}
@media (max-width: 560px) {
  .page { min-height: max(860px, 100svh); padding: 18px 7% 0; }
  .stage { padding-top: 25px; }
  .shield { width: 124.08px; }
  h1 { font-size: 16px; margin-top: 14px; }
  .identity { max-width: 255px; }
  .introduction { margin-top: 27px; }
  .description { font-size: 17px; line-height: 1.7; margin-bottom: 22px; }
  .description br { display: none; }
  .art-accent { width: 100%; max-width: 380px; margin-top: 31px; }
  .about { margin-top: 24px; }
  .footer { padding-top: 16px; padding-bottom: 18px; letter-spacing: 1.4px; }
}