@font-face {
  font-family: Calibre;
  src: url('/pulse-circle/fonts/Calibre-Regular.woff2') format('woff2');
  font-display: swap;
  font-weight: 400;
}
@font-face {
  font-family: Calibre;
  src: url('/pulse-circle/fonts/Calibre-Semibold.woff2') format('woff2');
  font-display: swap;
  font-weight: 600;
}
:root {
  color-scheme: dark;
  --bg: #101511;
  --panel: #19201b;
  --ink: #f2f4eb;
  --muted: #b7c3b9;
  --accent: #d2f889;
  --line: #354237;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Calibre, sans-serif;
  font-size: 21px;
  line-height: 1.5;
}
a {
  color: var(--accent);
  text-underline-offset: 5px;
}
a:hover {
  color: white;
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}
.wrap {
  max-width: 1160px;
  margin: auto;
  padding: 0 40px;
}
.skip {
  position: absolute;
  left: 20px;
  top: -100px;
  background: var(--accent);
  color: var(--bg);
  padding: 8px 16px;
  z-index: 2;
}
.skip:focus {
  top: 12px;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.brand {
  color: var(--ink);
  font-size: 26px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.mark {
  width: 24px;
  height: 24px;
  border: 6px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px #d2f88915;
}
.back {
  color: var(--muted);
  font-size: 17px;
}
.eyebrow {
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
  font-family: monospace;
}
.hero {
  padding: 82px 0 54px;
  max-width: 880px;
}
h1 {
  font-size: clamp(46px, 7vw, 88px);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 600;
  margin: 0 0 26px;
}
.lead {
  font-size: 26px;
  max-width: 700px;
  color: var(--muted);
  line-height: 1.4;
}
.meta {
  color: var(--muted);
  font-size: 17px;
}
.layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 70px;
  padding: 0 0 80px;
}
.contents {
  align-self: start;
  position: sticky;
  top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.contents strong {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.contents ol {
  padding-left: 22px;
  margin: 14px 0;
  font-size: 17px;
}
.contents li {
  padding: 5px 0;
  color: var(--muted);
}
.contents a {
  color: var(--muted);
  text-decoration: none;
}
.contents a:hover {
  color: var(--accent);
}
article {
  min-width: 0;
}
article section {
  border-top: 1px solid var(--line);
  padding: 25px 0 22px;
}
h2 {
  font-size: 31px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
h3 {
  font-size: 23px;
  line-height: 1.2;
  margin: 24px 0 10px;
}
p {
  margin: 0 0 16px;
}
li {
  margin-bottom: 8px;
}
article p,
article li {
  color: var(--muted);
}
strong {
  color: var(--ink);
  font-weight: 600;
}
.note {
  background: var(--panel);
  border-left: 3px solid var(--accent);
  padding: 24px 28px;
  margin: 0 0 30px;
}
.note p:last-child {
  margin: 0;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 16px 0 54px;
}
.card {
  border-top: 1px solid var(--line);
  padding: 26px 0;
}
.number {
  font-family: monospace;
  font-size: 14px;
  color: var(--accent);
  display: block;
  margin-bottom: 30px;
}
.card p {
  color: var(--muted);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}
.button {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 5px;
  text-decoration: none;
  font-size: 19px;
}
.button.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.intro {
  max-width: 780px;
  margin-bottom: 60px;
}
.intro p {
  color: var(--muted);
}
footer {
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 17px;
  color: var(--muted);
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
footer a {
  color: var(--muted);
}
.email {
  overflow-wrap: anywhere;
}
@media (max-width: 760px) {
  .wrap {
    padding: 0 22px;
  }
  header {
    padding: 24px 0;
  }
  .back {
    font-size: 15px;
  }
  .brand {
    font-size: 23px;
  }
  .hero {
    padding: 56px 0 32px;
  }
  .lead {
    font-size: 23px;
  }
  .layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .contents {
    position: static;
  }
  .contents ol {
    columns: 2;
    column-gap: 24px;
  }
  .contents li {
    break-inside: avoid;
  }
  .cards {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .number {
    margin-bottom: 18px;
  }
  footer {
    flex-direction: column;
  }
  .note {
    padding: 20px;
  }
  h2 {
    font-size: 29px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}