:root {
  color-scheme: light;
  --paper: #f4f2ed;
  --surface: #ebe9e3;
  --ink: #191918;
  --muted: #77746d;
  --line: #c7c3ba;
  --soft-green: #e2e7df;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(25, 25, 24, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25, 25, 24, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 38px 38px;
  font-family: "Sora", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  width: min(100% - 40px, 720px);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid rgba(199, 195, 186, 0.7);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.08em;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(25, 25, 24, 0.1);
  border-radius: 10px;
}

.back {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.back:hover {
  color: var(--ink);
}

main {
  padding-block: 72px 96px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 4.75rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.intro {
  max-width: 600px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.updated {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.content {
  display: grid;
  gap: 12px;
  margin-top: 48px;
}

section {
  padding: 26px;
  border: 1px solid rgba(199, 195, 186, 0.72);
  border-radius: 20px;
  background: rgba(244, 242, 237, 0.78);
  backdrop-filter: blur(12px);
}

section h2 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

section p,
section li {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

section p {
  margin: 0;
}

section p + p {
  margin-top: 10px;
}

section ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.contact-card {
  border-color: #c8cec4;
  background: var(--soft-green);
}

.contact-card a,
.content a {
  color: var(--ink);
  text-underline-offset: 3px;
}

footer {
  border-top: 1px solid rgba(199, 195, 186, 0.7);
}

footer .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.1em;
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 28px, 720px);
  }

  .topbar {
    min-height: 74px;
  }

  main {
    padding-block: 52px 72px;
  }

  section {
    padding: 20px;
    border-radius: 16px;
  }

  footer .shell {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
  }
}
