:root {
  --bg: #0c0812;
  --panel: #16121f;
  --border: #3d2a5c;
  --brand: #c4b5fd;
  --brand-strong: #8b5cf6;
  --gold: #e8d5a3;
  --text: #f3eefc;
  --dim: #b4a8c2;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(700px 430px at 18% 0%, rgb(139 92 246 / 22%), transparent 55%),
    radial-gradient(540px 330px at 92% 82%, rgb(232 213 163 / 10%), transparent 48%),
    var(--bg);
}

a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--gold); }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; border-radius: 3px; }

.wrap { width: min(100% - 36px, 760px); margin-inline: auto; padding: 32px 0 64px; }
.reading { width: min(100% - 36px, 660px); }

nav { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
nav a { font-size: 0.84rem; }

.badge {
  display: inline-block;
  margin-top: 24px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(196 181 253 / 9%);
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1, h2 { font-family: var(--display); font-weight: 500; }
h1 { margin: 14px 0 10px; font-size: clamp(2rem, 7vw, 3.25rem); line-height: 1.1; }
h2 { margin: 0 0 8px; color: var(--gold); font-size: 1.15rem; }

.brand { color: var(--brand); }
.lead { max-width: 64ch; margin-top: 0; color: var(--dim); font-size: 1.08rem; }
.reading p { color: var(--dim); font-size: 1.02rem; }
.reading em { color: var(--text); }

.card {
  margin: 18px 0;
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(135deg, rgb(22 18 31 / 95%), rgb(17 13 25 / 90%));
}

.card ul { margin: 0; padding-left: 1.2rem; color: var(--dim); }
.card li + li { margin-top: 7px; }

.notice {
  margin: 24px 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  color: var(--dim);
  font-size: 0.88rem;
}

.product-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--brand-strong);
  border-radius: 8px;
  background: rgb(124 58 237 / 18%);
  font-weight: 650;
}

footer { margin-top: 42px; padding-top: 18px; border-top: 1px solid var(--border); color: #82768f; font-size: 0.76rem; }

@media (max-width: 520px) {
  .wrap, .reading { width: min(100% - 28px, 760px); padding-top: 22px; }
  .card { padding: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}