:root{
  --bg: oklch(95% 0.013 80);
  --bg-warm: oklch(93% 0.018 78);
  --card: oklch(91% 0.020 78);
  --ink: oklch(18% 0.008 70);
  --ink-soft: oklch(38% 0.012 75);
  --ink-mute: oklch(56% 0.015 75);
  --line: oklch(86% 0.018 78);
  --rose: oklch(67% 0.075 78);
  --rose-deep: oklch(58% 0.075 72);
  --rose-soft: oklch(90% 0.035 80);
  --gold: oklch(67% 0.075 78);
  --gold-grad: oklch(67% 0.075 78);
  --gold-grad-soft: oklch(90% 0.035 80);
  --serif: "DM Serif Display", "Times New Roman", serif;
  --sans: "Inter", system-ui, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}
.container{ max-width: 820px; margin: 0 auto; padding: 0 32px;}

/* NAV */
nav.top{
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
nav.top .inner{
  max-width: 1240px; margin: 0 auto; padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand{ display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit;}
.brand-logo{ display: block; height: 46px; width: auto; }
@media (max-width: 600px){ .brand-logo{ height: 38px; } }
.brand-mark{
  width: 36px; height: 36px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--rose-soft), var(--rose) 130%);
  display: grid; place-items: center;
  color: var(--bg); font-family: var(--serif); font-size: 1.1rem;
}
.brand-name{ font-family: var(--serif); font-size: 1.25rem; line-height: 1; letter-spacing: .01em;}
.brand-name small{
  display: block; font-family: var(--sans); font-size: .7rem;
  color: var(--ink-mute); letter-spacing: .14em; margin-top: 4px; text-transform: uppercase; font-weight: 400;
}
.back-link{
  font-size: .88rem; color: var(--ink-soft); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: color .2s;
}
.back-link:hover{ color: var(--rose-deep); }
.back-link .arr{ transition: transform .2s; }
.back-link:hover .arr{ transform: translateX(-3px); }

/* HEADER */
header.page-head{ padding: 80px 0 56px; border-bottom: 1px solid var(--line);}
.eyebrow{
  font-family: var(--sans); font-size: .78rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--rose-deep); font-weight: 500;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before{ content:""; width: 24px; height: 1px; background: var(--rose); }
header.page-head h1{
  font-family: var(--serif); font-weight: 400; letter-spacing: -.01em;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem); line-height: 1.05;
  margin-top: 20px;
}
header.page-head h1 em{ color: var(--rose-deep); font-style: italic; }
header.page-head .meta{
  margin-top: 24px; font-size: .92rem; color: var(--ink-mute);
  display: flex; gap: 24px; flex-wrap: wrap;
}

/* CONTENT */
main.content{ padding: 56px 0 96px;}
main.content .intro{
  font-family: var(--serif); font-size: 1.3rem; line-height: 1.5; color: var(--ink-soft);
  font-style: italic; font-weight: 400;
  padding: 24px 28px; background: var(--bg-warm); border-left: 3px solid var(--rose);
  border-radius: 6px; margin-bottom: 48px;
}
main.content h2{
  font-family: var(--serif); font-weight: 400; font-size: 1.8rem;
  margin-top: 48px; margin-bottom: 16px; letter-spacing: -.005em;
  display: flex; align-items: baseline; gap: 16px;
}
main.content h2 .num{
  font-family: var(--serif); font-style: italic; color: var(--rose);
  font-size: 1.1rem; letter-spacing: .1em;
}
main.content h3{
  font-family: var(--sans); font-weight: 600; font-size: 1rem;
  margin-top: 24px; margin-bottom: 10px; letter-spacing: .01em;
}
main.content p{ color: var(--ink-soft); margin-bottom: 14px; }
main.content ul{ list-style: none; margin-bottom: 14px; }
main.content ul li{
  color: var(--ink-soft); padding-left: 22px; position: relative; margin-bottom: 8px;
}
main.content ul li::before{
  content:""; position: absolute; left: 0; top: 11px;
  width: 10px; height: 1px; background: var(--rose);
}
main.content a{ color: var(--rose-deep); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px;}
main.content a:hover{ color: var(--ink); }
main.content strong{ color: var(--ink); font-weight: 500; }

/* FOOTER */
footer{
  background: oklch(18% 0.015 40); color: color-mix(in oklab, var(--bg) 80%, transparent);
  padding: 48px 0 32px;
}
footer .container{ max-width: 1240px; }
footer a{ color: color-mix(in oklab, var(--bg) 80%, transparent); text-decoration: none;}
footer a:hover{ color: var(--rose);}
.foot-base{
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px;
  font-size: .82rem; color: color-mix(in oklab, var(--bg) 55%, transparent);
}

@media (max-width: 640px){
  header.page-head{ padding: 56px 0 40px; }
  main.content{ padding: 40px 0 72px; }
  main.content .intro{ font-size: 1.1rem; padding: 20px 22px; }
  main.content h2{ font-size: 1.45rem; gap: 12px; }
  main.content h2 .num{ font-size: .95rem; }
}