:root {
  --paper: #f6f2ea;
  --ink: #17161d;
  --ink-2: #4b4757;
  --ink-3: #7d7889;
  --line: rgba(23, 22, 29, 0.09);
  --violet: #5b4ee6;
  --violet-2: #7c6cf7;
  --violet-deep: #2b2477;
  --card: rgba(255, 255, 255, 0.78);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: ui-sans-serif, -apple-system, "SF Pro Text", "Segoe UI", Inter, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background: var(--paper);
}
a { color: inherit; }
::selection { background: rgba(91, 78, 230, 0.22); }
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(124, 108, 247, 0.28), transparent 60%),
    radial-gradient(760px 520px at 96% 4%, rgba(26, 163, 143, 0.16), transparent 58%),
    var(--paper);
}
.wrap { width: min(760px, calc(100% - 40px)); margin: 0 auto; }
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 14px 0;
}
.nav::before {
  content: "";
  position: absolute;
  inset: 0 -40px;
  z-index: -1;
  background: linear-gradient(180deg, rgba(246, 242, 234, 0.92), rgba(246, 242, 234, 0.6) 70%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: block;
}
.brand-name { display: block; font-family: var(--serif); font-size: 19px; letter-spacing: -0.02em; }
.brand-hint { display: block; margin-top: 1px; font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14.5px; }
.nav-links a { text-decoration: none; color: var(--ink-2); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, var(--violet-2), var(--violet));
  box-shadow: 0 12px 28px -8px rgba(91, 78, 230, 0.6);
}
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; white-space: nowrap; }
.btn .short { display: none; }
.label {
  display: block;
  margin-bottom: 12px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet);
  font-weight: 600;
}
h1 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: clamp(32px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 600;
}
.meta { margin: 0 0 28px; color: var(--ink-3); font-size: 14px; }
.card {
  display: block;
  padding: 24px;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px -22px rgba(43, 36, 119, 0.4);
  text-decoration: none;
}
.card h2 {
  margin: 8px 0 8px;
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: -0.02em;
  font-weight: 600;
}
.card p { margin: 0; color: var(--ink-2); line-height: 1.55; }
article {
  padding-bottom: 12px;
}
article p, article li { color: var(--ink-2); font-size: 17px; line-height: 1.65; }
article h2 {
  margin: 36px 0 12px;
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.02em;
  font-weight: 600;
}
article h3 {
  margin: 24px 0 8px;
  font-size: 18px;
  letter-spacing: -0.01em;
}
article ul { margin: 8px 0 16px; padding-left: 1.2em; }
article a { color: var(--violet-deep); }
.cta {
  margin-top: 28px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(160deg, #6e5ff0, var(--violet) 60%, var(--violet-deep));
  color: #fff;
}
.cta p { margin: 0 0 16px; color: rgba(255, 255, 255, 0.92); }
.cta .btn { color: var(--violet-deep); background: #fff; box-shadow: none; }
.sources { font-size: 14px; color: var(--ink-3); }
footer {
  width: min(1120px, calc(100% - 40px));
  margin: 48px auto 0;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  font-size: 13.5px;
  color: var(--ink-3);
}
footer a { text-decoration: none; }
.footer-links { display: flex; gap: 18px; }
@media (max-width: 640px) {
  .nav-links a:not(.btn) { display: none; }
  .btn .full { display: none; }
  .btn .short { display: inline; }
}