:root {
  color-scheme: dark;
  font-family: Georgia, "Times New Roman", serif;
  color: #ece3c7;
  background: #000;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: #000;
}
a { color: inherit; }

.blood-logo {
  width: min(1180px, calc(100% - 48px));
  height: clamp(220px, 28vw, 420px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.blood-logo video {
  width: min(1120px, 100%);
  height: 100%;
  display: block;
  object-fit: contain;
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-bottom: 1px solid rgba(215, 183, 104, .18);
}
.access-label {
  color: #908b79;
  font: 500 11px/1.3 Arial, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.hero {
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: 80px 0 88px;
}
.hero-copy { width: 100%; container-type: inline-size; }
.eyebrow {
  margin: 0 0 20px;
  color: #bba15d;
  font: 600 11px/1.3 Arial, sans-serif;
  letter-spacing: .22em;
}
h1 {
  margin: 0;
  max-width: none;
  white-space: nowrap;
  color: #f2ecd9;
  font-size: min(82px, 6.5cqw);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.035em;
}
h1 em { color: #dfbc5e; font-weight: 400; }
.intro {
  width: 100%;
  max-width: none;
  margin: 30px 0 0;
  color: #b7b09d;
  font: 400 17px/1.75 Arial, sans-serif;
}
.download-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 38px;
}
.download-button {
  min-width: 260px;
  display: grid;
  gap: 7px;
  padding: 17px 23px 15px;
  border: 1px solid #e4bd55;
  border-radius: 3px;
  color: #15130c;
  background: linear-gradient(135deg, #efd277, #c99d38);
  box-shadow: 0 12px 40px rgba(178, 129, 34, .13);
  text-decoration: none;
  transition: transform .18s ease, filter .18s ease;
}
.download-button:hover { transform: translateY(-2px); filter: brightness(1.07); }
.download-button:focus-visible { outline: 2px solid #fff0b6; outline-offset: 4px; }
.download-button span { font: 600 15px/1.2 Arial, sans-serif; }
.download-button small { font: 500 10px/1.2 Arial, sans-serif; letter-spacing: .08em; }
.download-row > p { margin: 0; color: #777568; font: 11px/1.55 Arial, sans-serif; }

.story {
  padding: 54px 0;
  border-top: 1px solid rgba(215, 183, 104, .2);
  border-bottom: 1px solid rgba(215, 183, 104, .2);
}
.story h2 { margin: 0 0 28px; color: #e7dec5; font-size: 32px; font-weight: 400; }
.story p { max-width: 820px; margin: 0 0 20px; color: #b7b09d; font-size: 19px; line-height: 1.75; }
.story p:last-child { margin-bottom: 0; }

.install {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 60px;
  padding: 100px 0 94px;
}
.install h2, .requirements h2 { margin: 0; color: #eee5cd; font-size: 38px; font-weight: 400; }
.install ol { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.install li { display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 18px; padding: 20px 0; border-bottom: 1px solid rgba(215, 183, 104, .14); }
.install li:first-child { padding-top: 0; }
.install li > span { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid #78683e; border-radius: 50%; color: #d1b460; font: 12px Arial, sans-serif; }
.install li p { margin: 0; color: #a6a18f; font: 13px/1.55 Arial, sans-serif; }
.install li strong { color: #e1d9c3; font-weight: 600; }

.requirements { padding: 38px 0 46px; border-top: 1px solid rgba(215, 183, 104, .18); }
.requirements h2 { font-size: 24px; }
.requirements > p { max-width: 820px; margin: 15px 0 0; color: #969181; font: 12px/1.65 Arial, sans-serif; }
details { margin-top: 18px; color: #777466; font: 10px/1.5 Arial, sans-serif; }
summary { width: fit-content; cursor: pointer; }
details code { display: block; overflow-wrap: anywhere; margin-top: 8px; color: #a39b81; }

footer {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(215, 183, 104, .18);
}
footer > span { color: #b89c4f; font: 500 13px Arial, sans-serif; letter-spacing: .24em; }
footer p { margin: 0; color: #69675d; font: 10px Arial, sans-serif; }

@media (max-width: 820px) {
  .site-header, main, footer { width: min(100% - 30px, 620px); }
  .blood-logo { width: min(100% - 30px, 620px); }
  .access-label { display: none; }
  .hero { min-height: 0; padding: 66px 0; }
  .install { grid-template-columns: 1fr; gap: 42px; padding: 74px 0; }
}

@media (max-width: 520px) {
  .hero { padding-top: 50px; }
  .intro { font-size: 15px; }
  .download-row { align-items: stretch; flex-direction: column; }
  .download-row > p { padding-left: 3px; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .download-button { transition: none; }
}