/*
 * Site chrome shared by every public page: skip link, header, mobile menu,
 * footer and header call-to-action buttons. Loaded by both the v2 pages and the
 * legacy templates (via partials/marketing_nav and partials/footer), so every
 * rule is self-contained and uses `site-` names that no legacy sheet defines.
 * Depends on tokens.css.
 */

.site-header, .site-footer, .site-skip { font-family: var(--ff-sans); line-height: 1.5; -webkit-font-smoothing: antialiased; }
.site-header, .site-footer { color: var(--c-text); text-align: left; }
:is(.site-header, .site-footer) *, :is(.site-header, .site-footer) *::before, :is(.site-header, .site-footer) *::after { box-sizing: border-box; }
:is(.site-header, .site-footer) :is(h2, p, ul) { margin: 0; }
/* Legacy sheets style bare elements (h2, summary, nav a…); keep chrome text on the site type. */
:is(.site-header, .site-footer) :is(h2, p, a, span, b, li, summary, nav) { font-family: inherit; text-transform: none; text-shadow: none; }
:is(.site-header, .site-footer) :is(h2, li, summary, nav) { letter-spacing: normal; }
:is(.site-header, .site-footer) svg { display: block; }
:is(.site-header, .site-footer) a { text-decoration: none; }
:is(.site-header, .site-footer) :focus-visible { outline: 2px solid var(--c-focus); outline-offset: 3px; border-radius: 4px; }

.site-skip {
  position: absolute; left: var(--sp-4); top: -100px; z-index: 200;
  padding: var(--sp-2) var(--sp-4); border-radius: var(--r-sm);
  background: var(--c-accent); color: var(--c-accent-ink); font-weight: 600; text-decoration: none;
}
.site-skip:focus { top: var(--sp-3); }

.wrap { width: min(var(--w-page), 100% - 2 * var(--gutter)); margin-inline: auto; }
.wrap--wide { width: min(var(--w-wide), 100% - 2 * var(--gutter)); }

/* ---------- Header call-to-action buttons ---------- */
.site-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 38px; padding: .5rem .95rem; border: 1px solid transparent; border-radius: var(--r-md);
  font: 600 var(--fs-sm)/1.1 var(--ff-sans); letter-spacing: .01em; text-transform: none; white-space: nowrap;
  box-shadow: none; transition: background-color .15s var(--ease-out), border-color .15s var(--ease-out);
}
.site-cta--primary, .site-cta--primary:visited { background: var(--c-accent); color: var(--c-accent-ink); }
.site-cta--primary:hover { background: var(--c-accent-hover); color: var(--c-accent-ink); }
.site-cta--secondary, .site-cta--secondary:visited { background: var(--c-surface-2); border-color: var(--c-line-strong); color: var(--c-text); }
.site-cta--secondary:hover { background: var(--c-surface-3); color: var(--c-text); }
.site-cta--block { min-height: 52px; margin-top: var(--sp-3); font-size: var(--fs-md); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--c-line);
  background: rgba(11, 13, 16, .82);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
}
.site-header__inner { display: flex; align-items: center; gap: var(--sp-5); height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--c-text); text-decoration: none; font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.brand svg { width: 28px; height: 28px; color: var(--c-accent); }
.brand span { font-size: 1.02rem; }
.brand b { color: var(--c-accent); font-weight: 700; }
.site-nav { display: flex; align-items: center; gap: var(--sp-1); margin-left: var(--sp-3); }
.site-nav a {
  padding: .45rem .7rem; border-radius: var(--r-sm); color: var(--c-text-muted);
  font-size: var(--fs-sm); font-weight: 500; text-decoration: none;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--c-text); background: rgba(255, 255, 255, .05); }
.site-header__actions { display: flex; align-items: center; gap: var(--sp-2); margin-left: auto; }
.site-header__signin { color: var(--c-text-muted); font-size: var(--fs-sm); font-weight: 500; text-decoration: none; padding: .45rem .6rem; }
.site-header__signin:hover { color: var(--c-text); }

.mobile-nav { display: none; margin-left: auto; }
.mobile-nav summary {
  display: inline-flex; align-items: center; gap: .45rem; min-height: 40px; padding: .4rem .8rem;
  border: 1px solid var(--c-line-strong); border-radius: var(--r-sm); cursor: pointer; list-style: none;
  font-size: var(--fs-sm); font-weight: 600;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary svg { width: 18px; height: 18px; }
.mobile-nav__panel {
  position: absolute; inset: var(--header-h) 0 auto 0; padding: var(--sp-4) var(--gutter) var(--sp-5);
  border-bottom: 1px solid var(--c-line); background: var(--c-bg-raised); box-shadow: var(--shadow-md);
  display: grid; gap: var(--sp-1);
}
.mobile-nav__panel a:not(.site-cta) { padding: .8rem .25rem; border-bottom: 1px solid var(--c-line); color: var(--c-text); text-decoration: none; font-weight: 500; }

@media (max-width: 1100px) {
  .site-nav a { padding-inline: .5rem; }
  .site-header__signin { display: none; }
}
@media (max-width: 920px) {
  .site-nav, .site-header__actions { display: none; }
  .mobile-nav { display: block; }
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--c-line); background: #080a0c; padding-block: var(--sp-8) var(--sp-6); font-size: var(--fs-sm); }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: var(--sp-6); }
.site-footer__about p { margin-top: var(--sp-3); max-width: 32ch; color: var(--c-text-muted); }
.site-footer h2 { margin-bottom: var(--sp-3); color: var(--c-text); font-size: var(--fs-sm); font-weight: 600; }
.site-footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .55rem; }
.site-footer a { color: var(--c-text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--c-text); text-decoration: underline; }
.site-footer__legal { margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px solid var(--c-line); color: var(--c-text-subtle); font-size: var(--fs-xs); display: grid; gap: var(--sp-2); }
@media (max-width: 860px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__about { grid-column: 1 / -1; }
}