:root {
  color-scheme: light dark;
  --page: #f7f5f1;
  --card: #ffffff;
  --text: #19243c;
  --muted: #5b6579;
  --accent: #4e4b9d;
  --accent-soft: #f0effb;
  --border: #e3e2eb;
  --shadow: 0 18px 54px rgba(25, 36, 60, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); background: var(--page);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
.topbar { border-bottom: 1px solid var(--border); background: var(--card); }
.topbar-inner {
  max-width: 880px; margin: 0 auto; padding: 0 20px; min-height: 66px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { color: var(--text); text-decoration: none; font-weight: 780; letter-spacing: -.025em; font-size: 1.1rem; white-space: nowrap; }
.topnav { display: flex; align-items: center; gap: 20px; font-size: .93rem; }
.topnav a { text-decoration: none; white-space: nowrap; }
.topnav a:hover { text-decoration: underline; }
.topnav [aria-current="page"] { color: var(--text); font-weight: 700; }
main {
  max-width: 880px; margin: 42px auto 30px; padding: clamp(26px, 5vw, 54px);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 24px; box-shadow: var(--shadow);
}
.eyebrow { margin: 0 0 10px; font-size: .81rem; letter-spacing: .11em; text-transform: uppercase; font-weight: 750; color: var(--accent); }
h1 { margin: 0; font-size: clamp(2.1rem, 6vw, 3.7rem); line-height: 1.08; letter-spacing: -.045em; }
h2 { font-size: 1.28rem; line-height: 1.3; letter-spacing: -.012em; margin: 34px 0 10px; }
p { margin: 0 0 15px; }
ul { margin: 8px 0 16px; padding-left: 1.35rem; }
li { margin: 8px 0; }
.updated, .intro { margin-top: 15px; color: var(--muted); }
.intro { max-width: 670px; font-size: 1.05rem; }
.summary, .email-card {
  margin: 28px 0 34px; padding: 20px 22px; background: var(--accent-soft);
  border: 1px solid var(--border); border-radius: 16px;
}
.summary p, .email-card p { margin: 0; }
.email-button {
  display: inline-flex; padding: 11px 19px; min-height: 48px; align-items: center;
  margin-top: 15px; border-radius: 12px; background: var(--accent);
  color: white; text-decoration: none; font-weight: 720;
}
.email-button:hover { filter: brightness(.93); }
.email-address { margin-top: 12px !important; color: var(--muted); overflow-wrap: anywhere; }
.divider { margin-top: 34px; padding-top: 25px; border-top: 1px solid var(--border); }
.footer {
  max-width: 880px; margin: 0 auto 42px; padding: 0 20px;
  color: var(--muted); text-align: center; font-size: .88rem;
}
.footer a { margin-left: 12px; }
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0e111a; --card: #171d2a; --text: #f4f2f9;
    --muted: #b1bad0; --accent: #c6baff;
    --accent-soft: #232443; --border: #33364b;
    --shadow: 0 18px 54px rgba(0, 0, 0, .25);
  }
  .email-button { color: #17142a; }
}
@media (max-width: 550px) {
  .topnav { gap: 12px; font-size: .88rem; }
  .topnav .site-link { display: none; }
  main { margin: 20px 12px 24px; border-radius: 18px; }
  .footer { margin-bottom: 26px; }
}