/* Shared styles: self-hosted fonts, colour tokens, header, footer and legal-page layout */
@font-face { font-family: "Inter"; font-style: normal; font-display: swap; font-weight: 100 900; src: url("fonts/inter-latin-wght-normal.woff2") format("woff2"); }
@font-face { font-family: "Source Serif 4"; font-style: normal; font-display: swap; font-weight: 200 900; src: url("fonts/source-serif-4-latin-wght-normal.woff2") format("woff2"); }

:root {
  --bg: #fafaf9; --paper: #ffffff; --ink: #0e1726; --muted: #5a6474; --line: #e2e5ea; --strong: #0e1726;
  --accent: #0f766e; --accent-soft: rgba(15, 118, 110, 0.08);
  --serif: "Source Serif 4", Georgia, serif; --sans: "Inter", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0b111b; --paper: #111a27; --ink: #e8edf4; --muted: #96a1b2; --line: #1f2a3a; --strong: #e8edf4; --accent: #2dd4bf; --accent-soft: rgba(45, 212, 191, 0.1); color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #0b111b; --paper: #111a27; --ink: #e8edf4; --muted: #96a1b2; --line: #1f2a3a; --strong: #e8edf4; --accent: #2dd4bf; --accent-soft: rgba(45, 212, 191, 0.1); color-scheme: dark; }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 24px; }
.label { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.mark { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; text-decoration: none; letter-spacing: -0.01em; }
.mark svg { width: 26px; height: 26px; flex: none; }
.site-header nav { display: flex; gap: 32px; font-size: 14px; font-weight: 500; }
.site-header nav a { text-decoration: none; color: var(--muted); transition: color .2s; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--ink); }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 32px; font-size: 13px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-direction: column; gap: 8px; }
.foot-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.foot-links a { margin-left: 20px; text-decoration: none; }
.foot-links a:first-child { margin-left: 0; }
.foot-links a:hover { color: var(--ink); }

/* legal and help pages */
.doc { max-width: 760px; padding-block: 72px 96px; }
.doc h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(36px, 5.5vw, 56px); line-height: 1.05; letter-spacing: -0.02em; margin: 14px 0 10px; }
.doc .meta { color: var(--muted); font-size: 15px; margin: 0 0 40px; padding-bottom: 32px; border-bottom: 1.5px solid var(--strong); }
.doc h2 { font-family: var(--serif); font-weight: 600; font-size: 24px; letter-spacing: -0.01em; margin: 44px 0 10px; }
.doc h3 { font-size: 17px; font-weight: 600; margin: 28px 0 4px; }
.doc p, .doc li { max-width: 65ch; color: color-mix(in srgb, var(--ink) 86%, var(--bg)); }
.doc ul { padding-left: 1.2rem; }
.doc li { margin-bottom: 8px; }
.doc li::marker { color: var(--accent); }
.doc a { color: var(--accent); text-underline-offset: 3px; }
.card { background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 24px; margin-block: 28px; }
.card p { margin: 0 0 8px; }
.email-line { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.email-line a { font-size: 19px; font-weight: 500; color: var(--ink); text-decoration: none; border-bottom: 1.5px solid var(--accent); word-break: break-all; }
.email-line a:hover { color: var(--accent); }
.copy { font: 600 13px var(--sans); color: var(--muted); background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 5px 10px; cursor: pointer; }
.copy:hover { color: var(--ink); border-color: var(--ink); }

@media (max-width: 820px) {
  .site-header nav { gap: 18px; }
  .doc { padding-block: 48px 72px; }
}
@media (max-width: 420px) { .mark span { display: none; } }