/* Shared look for every public page: palette, type scale, header, footer, buttons.
   Loaded after open.css on the scan pages, so it wins there. System fonts only. */
:root {
  --bg: #ffffff; --bg-soft: #f4f7fb; --bg-tint: #eaf1f8;
  --ink: #15304d; --text: #2a3d51; --muted: #4f6275;
  --line: #dfe6ee; --line-strong: #c3cfdc;
  --primary: #1d5fa6; --primary-hover: #174f8c; --on-primary: #fff; --primary-soft: #e7f0fa;
  --accent: #1d5fa6; --accent-hover: #174f8c;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --fs-s: 0.9rem; --fs-m: 1.05rem; --fs-l: 1.25rem;
  --fs-xl: clamp(1.6rem, 4vw + 0.6rem, 2.3rem); --fs-xxl: clamp(2rem, 6vw + 0.5rem, 3.3rem);
  --sp-1: 8px; --sp-2: 16px; --sp-3: 24px; --sp-4: 40px; --sp-5: 72px;
  --radius: 14px; --wrap: 1100px;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: var(--fs-m); line-height: 1.6; color: var(--text); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; letter-spacing: -0.015em; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 20; }
.skip:focus { left: 8px; }

.site-head { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,0.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-head-in { max-width: var(--wrap); margin: 0 auto; padding: 10px clamp(16px, 4vw, 28px); display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); flex-wrap: wrap; }
.site-head .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.15rem; }
.site-head .brand img { width: 34px; height: 34px; display: block; }
.menu-btn { display: none; font: inherit; font-weight: 600; color: var(--ink); background: #fff; border: 1px solid var(--line-strong); border-radius: 10px; padding: 8px 14px; min-height: 44px; cursor: pointer; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { color: var(--ink); text-decoration: none; padding: 10px 12px; border-radius: 10px; font-size: 0.97rem; font-weight: 500; }
.site-nav a:hover { background: var(--bg-soft); }
.site-nav a[aria-current="page"] { background: var(--primary-soft); }
.site-nav .discord { display: inline-flex; align-items: center; padding: 10px; }
.site-nav .discord svg { width: 22px; height: 22px; fill: currentColor; }
.site-nav .discord span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .site-nav { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; padding-bottom: 8px; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 12px; font-size: 1.05rem; }
  .site-nav .discord span { position: static; width: auto; height: auto; clip: auto; margin-left: 10px; }
}

.btn, .cta { display: inline-block; font: inherit; font-weight: 600; text-decoration: none; background: var(--primary); color: var(--on-primary); border: 2px solid var(--primary); border-radius: 12px; padding: 14px 26px; min-height: 48px; cursor: pointer; }
.btn:hover, .cta:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn.quiet { background: transparent; color: var(--primary); border-color: transparent; text-decoration: underline; text-underline-offset: 4px; padding-inline: 8px; }

.start-over-row { max-width: var(--wrap); margin: 8px auto 0; padding: 0 clamp(16px, 4vw, 28px); }

.site-foot { border-top: 1px solid var(--line); background: var(--bg-soft); margin-top: var(--sp-5); }
.site-foot-in { max-width: var(--wrap); margin: 0 auto; padding: var(--sp-4) clamp(16px, 4vw, 28px); display: grid; gap: var(--sp-2); }
.site-foot .disclaim { margin: 0; font-weight: 600; color: var(--ink); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 4px var(--sp-3); }
.site-foot a { color: var(--primary); padding: 6px 0; }
.site-foot .meta { margin: 0; color: var(--muted); font-size: var(--fs-s); }