/* Visual overlay only: sealed authentication/commerce code is unchanged. */
:root { --bg: #fff; --panel: #faf8f1; --ink: #111311; --muted: #4b5047; --line: #d8d6cf; --accent: #964627; --shadow: #1113110a; }
body { font-family: "Segoe UI", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.dark { --bg: #141713; --panel: #1d211b; --ink: #f1efe8; --muted: #c3c6bb; --line: #4a5044; --accent: #e4ac86; --shadow: #0003; }
header, main, footer { max-width: 1240px; }
header { min-height: 108px; }
header nav > a, footer a { display: inline-flex; align-items: center; min-height: 44px; }
.brand { position: relative; padding-left: 52px; color: var(--ink); font-weight: 700; font-size: 18px; letter-spacing: .02em; }
.brand::before { content: ""; position: absolute; left: 0; top: 7px; width: 37px; height: 37px; background: url('/favicon.svg') center / contain no-repeat; pointer-events: none; }
.brand span { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.intro { position: relative; max-width: none; padding: 52px 28% 44px 0; }
.intro::after { content: ""; position: absolute; width: 23%; right: 0; top: 65px; aspect-ratio: 320 / 260; background: var(--accent); mask: url('/gateway-lines.svg') center / contain no-repeat; opacity: .65; pointer-events: none; }
.eyebrow { font-weight: 700; letter-spacing: .14em; font-size: 11px; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; text-wrap: balance; }
h1 { font-size: clamp(36px, 5.5vw, 70px); line-height: 1.06; letter-spacing: -.045em; margin: 18px 0 24px; }
h2 { font-size: 32px; line-height: 1.2; letter-spacing: -.03em; }
h3 { line-height: 1.4; text-wrap: pretty; }
.intro > p:not(.eyebrow) { font-size: 18px; line-height: 1.8; }
.benefits { gap: 16px 24px; }
.benefits span { padding-top: 12px; border-top: 2px solid var(--accent); }
.card, details { border-radius: 8px; }
.card { transition: border-color 160ms ease, box-shadow 160ms ease; }
.card:focus-within { border-color: var(--accent); box-shadow: 0 8px 24px var(--shadow); }
button, input { border-radius: 6px; }
#notice { border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 6px; }
footer { font-size: 13px; }
@media (hover: hover) { .card:hover { border-color: var(--accent); box-shadow: 0 8px 24px var(--shadow); } }
@media (max-width: 800px) { .intro { padding-right: 0; } .intro::after { display: none; } }
@media (max-width: 600px) { .intro { padding: 28px 0; } h1 { letter-spacing: -.03em; } .benefits { gap: 12px; } }
@media (prefers-reduced-motion: reduce) { .card { transition: none; } }
@media (forced-colors: active) { .intro::after, .brand::before { display: none; } .brand { padding-left: 0; } }
@media print { .intro::after { display: none; } .intro { padding-right: 0; } .card { box-shadow: none; break-inside: avoid; } }