* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* palette taken from the shrike (mozu) logo: rust, umber, cream */
  --ink: #16181d;
  --muted: #4b5058;
  /* all text, including links, stays neutral black; rust is only for buttons, borders and icons */
  --link: #16181d;
  --line: #ecdfd0;
  --soft: #fcf5ec;
  --accent: #b35a2c;
  --accent-dark: #8e4420;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.6;
  font-size: 16px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 12px;
  /* full page width with a modest side margin: 24px on phones, about 58px on a 1440px screen */
  padding: 22px clamp(24px, 4vw, 64px);
}
.brand { display: inline-flex; align-items: center; white-space: pre; font-weight: 700; font-size: 19px; color: var(--ink); text-decoration: none; }
.top-right { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.topnav { display: flex; gap: 26px; }
.topnav a { color: var(--link); text-decoration: none; font-weight: 500; font-size: 15.5px; padding: 4px 0; border-bottom: 2px solid transparent; }
.topnav a:hover { border-bottom-color: var(--line); }
.topnav a[aria-current="page"] { border-bottom-color: var(--accent); }
@media (max-width: 520px) { .top-right { gap: 16px; } .topnav { gap: 16px; } .topnav a { font-size: 14.5px; } }
.brand .logo { height: 45px; width: auto; margin-right: 10px; }
.brand span { color: var(--link); }

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}
.btn:hover { background: var(--accent-dark); }

.wrap { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.wrap.research { max-width: 1025px; }

/* Home */
.hero { padding: 16vh 0 12vh; }
.hero h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; letter-spacing: -.8px; margin-bottom: 22px; }
.hero p { color: var(--muted); font-size: 18px; margin-bottom: 18px; }
.hero .btn { margin-top: 14px; }

/* Research */
.intro {
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--soft);
  padding: 32px 34px;
}
.intro h1 { font-size: 28px; letter-spacing: -.4px; margin-bottom: 10px; }
.intro p { color: var(--muted); }
.center { text-align: center; margin: 44px 0 24px; font-size: 24px; letter-spacing: -.3px; }

.intro .lead { color: var(--ink); font-size: 18px; font-weight: 500; }
.intro p + p { margin-top: 12px; }

.ds-list { list-style: none; border-top: 1px solid var(--line); margin-bottom: 80px; }
.ds-list { display: grid; grid-template-columns: max-content 1fr; column-gap: 32px; }
.ds-list li { display: grid; grid-template-columns: subgrid; grid-column: 1 / -1; gap: 24px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line); }
.ds-list a { white-space: nowrap; font-size: 24px; font-weight: 700; line-height: 1.2; letter-spacing: -.4px; color: var(--link); text-decoration: none; }
.ds-list a:hover { text-decoration: underline; }
.ds-list p { color: var(--muted); font-size: 16px; }
@media (max-width: 600px) { .ds-list { display: block; } .ds-list li { display: block; } .ds-list p { margin-top: 6px; } .ds-list a { white-space: normal; font-size: 21px; } }

/* Dataset placeholder pages */
.page { padding-top: 48px; padding-bottom: 80px; }
.page h1 { font-size: 30px; letter-spacing: -.4px; margin-bottom: 12px; }
.page p { color: var(--muted); }
.page .label { font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink); margin: 26px 0 4px; }
.page .scale { font-size: 28px; font-weight: 700; color: var(--ink); min-height: 1.2em; }
.page .see { margin-top: 30px; }
.back { display: inline-block; margin-bottom: 26px; color: var(--link); text-decoration: none; font-size: 14.5px; }

@media (max-width: 600px) {
  .intro { padding: 24px 20px; }
  .hero { padding: 10vh 0 8vh; }
}