/* Masthead, sticky rubric, mobile menu, footer, page scaffolding — from a-marquee.html. */

/* ---------- masthead ---------- */
.mast { position: relative; padding: 14px 0 22px; background: radial-gradient(60% 120% at 50% 0%, color-mix(in srgb, var(--color-brand) 13%, transparent), transparent 70%), var(--color-bg); }
.mast--compact { padding-bottom: 14px; }
.mast-issue { display: flex; justify-content: space-between; gap: 16px; font: 600 11px/1 var(--font-body); letter-spacing: .18em; text-transform: uppercase; color: var(--color-muted); padding-bottom: 12px; border-bottom: 1px solid var(--color-border); }
.mast-issue span:nth-child(2) { color: var(--color-brand); }
.mast-sign-row { display: flex; justify-content: center; padding-top: 20px; }
.sign { display: block; line-height: 0; border-radius: 20px; transition: transform .3s var(--ease-spring), filter .3s; }
.sign:hover { transform: translateY(-2px); filter: brightness(1.08); }
.sign-logo { display: block; width: clamp(260px, 32vw, 460px); height: auto; }
.mast--compact .sign-logo { width: clamp(220px, 22vw, 320px); }
.brand-mark { display: block; height: 20px; width: auto; max-width: none; }

/* ---------- rubric (sticky compact bar) ---------- */
.rubric { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in srgb, var(--color-bg) 78%, transparent); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid var(--color-border); transition: box-shadow .25s, background-color .25s; }
.rubric.is-stuck { box-shadow: 0 12px 30px -16px rgba(0,0,0,.8); background: color-mix(in srgb, var(--color-bg) 86%, transparent); }
.rubric-in { display: flex; align-items: center; gap: 20px; min-height: 60px; }
.mini { display: flex; align-items: center; gap: 10px; font: 800 15px/1 var(--font-head); letter-spacing: .2em; white-space: nowrap; max-width: 0; opacity: 0; overflow: hidden; transition: max-width .35s var(--ease-out), opacity .25s; }
.rubric.is-stuck .mini { max-width: 240px; opacity: 1; }
.mini .brand-mark { height: 18px; }
.nav { display: flex; align-items: center; margin-inline: auto; }
.nav a { position: relative; padding: 10px 16px; font: 600 12.5px/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); transition: color .2s; }
.nav a + a::before { content: ""; position: absolute; left: 0; top: 50%; height: 12px; width: 1px; margin-top: -6px; background: var(--color-border); }
.nav a::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; border-radius: 2px; background: var(--color-brand); transform: scaleX(0); transition: transform .25s var(--ease-out); }
.nav a:hover, .nav a[aria-current] { color: var(--color-text); }
.nav a:hover::after, .nav a[aria-current]::after { transform: scaleX(1); }
.auth { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav + .auth { margin-left: 0; }
.auth-user { display: inline-flex; align-items: center; gap: 8px; max-width: 200px; font: 600 14px/1 var(--font-body); }
.auth-user .icon { width: 18px; height: 18px; color: var(--color-brand); }
.auth-user span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.burger { display: none; }

/* ---------- full-screen mobile menu ---------- */
.menu { position: fixed; inset: 0; z-index: var(--z-menu); display: flex; flex-direction: column; padding: 20px var(--gutter) 28px; overflow-y: auto; background: color-mix(in srgb, var(--color-bg) 94%, transparent); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .25s, transform .3s var(--ease-out), visibility 0s .3s; }
.menu.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .25s, transform .3s var(--ease-out); }
.menu-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; font: 800 16px/1 var(--font-head); letter-spacing: .2em; }
.menu nav { display: flex; flex-direction: column; border-top: 1px solid var(--color-border); }
.menu nav a { display: flex; justify-content: space-between; align-items: center; padding: 16px 4px; font: 700 22px/1.1 var(--font-head); border-bottom: 1px solid var(--color-border); transition: color .2s, padding .2s; }
.menu nav a .icon { width: 20px; height: 20px; color: var(--color-brand); }
.menu nav a:hover, .menu nav a[aria-current] { color: var(--color-brand-hi); padding-left: 10px; }
.menu-auth { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: auto; padding-top: 24px; }
.menu-note { margin-top: 14px; font-size: 13px; color: var(--color-muted); text-align: center; }

/* ---------- sections ---------- */
main { display: block; }
.sec { padding-top: var(--sec-pad); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 16px 32px; margin-bottom: 22px; }
.sec-head h2 { font-size: var(--fs-h2); margin-top: 10px; }
.sec-head p { margin-top: 10px; color: var(--color-muted); max-width: 64ch; }
.eyebrow { font: 600 12px/1.2 var(--font-body); letter-spacing: .2em; text-transform: uppercase; color: var(--color-brand); }

/* ---------- inner page hero ---------- */
.page-hero { padding: clamp(24px, 4vw, 40px) 0 0; }
.page-board { position: relative; isolation: isolate; overflow: hidden; border-radius: var(--radius-lg); padding: clamp(36px, 5vw, 64px) clamp(24px, 5vw, 64px); background: var(--color-surface-1); box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-brand) 40%, var(--color-border)) inset, var(--shadow-3); }
.page-board > picture, .page-board > .page-board-bg { position: absolute; inset: 0; z-index: -2; }
.page-board > picture img, .page-board-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-board::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(16,16,27,.95) 0%, rgba(16,16,27,.84) 50%, rgba(16,16,27,.55) 100%); }
.page-board h1 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem); max-width: 20ch; margin-top: 14px; }
.page-board .lead { margin-top: 14px; max-width: 62ch; font-size: var(--fs-lead); color: var(--color-muted); }
.page-board .bulbs { inset: 9px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--color-muted); }
.crumbs a { transition: color .2s; } .crumbs a:hover { color: var(--color-brand-hi); }
.crumbs span[aria-hidden] { color: var(--color-border); }

/* ---------- footer ---------- */
.foot { margin-top: clamp(64px, 8vw, 104px); border-top: 1px solid var(--color-border); background: var(--color-surface-1); }
.foot-top { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr); gap: 32px 56px; padding-block: 48px 32px; }
.foot-brand { display: inline-flex; align-items: center; }
.foot-brand .brand-mark { height: 24px; }
.foot-about p { margin-top: 12px; font-size: 14px; color: var(--color-muted); max-width: 46ch; }
.foot-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.foot-col h2 { font: 700 13px/1 var(--font-body); letter-spacing: .16em; text-transform: uppercase; color: var(--color-brand); margin-bottom: 14px; }
.foot-col ul { list-style: none; display: grid; gap: 4px; }
.foot-col a { display: inline-flex; min-height: 32px; align-items: center; font-size: 14.5px; color: var(--color-muted); transition: color .2s, transform .2s var(--ease-out); }
.foot-col a:hover { color: var(--color-text); transform: translateX(3px); }
.foot-band { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 16px; padding: 24px 0; border-top: 1px solid var(--color-border); }
.foot-card { padding: 18px; border-radius: var(--radius-md); background: var(--color-surface-2); box-shadow: 0 0 0 1px var(--color-border) inset; font-size: 13.5px; color: var(--color-muted); }
.foot-card strong { display: flex; align-items: center; gap: 8px; color: var(--color-text); font: 700 14px/1.3 var(--font-head); margin-bottom: 8px; }
.foot-card strong .icon { width: 18px; height: 18px; color: var(--color-brand); }
.foot-card dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; margin: 0; }
.foot-card dt { color: var(--color-dim); } .foot-card dd { margin: 0; color: var(--color-muted); overflow-wrap: anywhere; }
.foot-card a { color: var(--color-brand-hi); text-decoration: underline; text-underline-offset: 3px; }
.foot-rg-links { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 10px; }
.foot-rg-links a { white-space: nowrap; }
.foot-logos { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 0 0 24px; }
.foot-logos span { display: grid; place-items: center; height: 44px; padding: 0 12px; border-radius: var(--radius-sm); background: #F3F2F7; transition: transform .2s var(--ease-spring); }
.foot-logos span:hover { transform: translateY(-2px); }
.foot-logos img { width: 72px; height: 24px; object-fit: contain; }
.foot-logos .age-badge { background: var(--color-ink); box-shadow: 0 0 0 1.5px var(--color-live) inset; color: #fff; font: 800 15px/1 var(--font-head); padding: 0 14px; }
.foot-bottom { border-top: 1px solid var(--color-border); padding-block: 16px; font-size: 12.5px; color: var(--color-dim); }
.foot-bottom .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

.to-top { position: fixed; right: 16px; bottom: 16px; z-index: 40; }

@media (max-width: 1180px) { .nav a { padding: 10px 11px; letter-spacing: .1em; } .nav a::after { left: 11px; right: 11px; } }
@media (max-width: 1024px) {
  .nav, .auth .btn--ghost, .auth-user span { display: none; }
  .burger { display: inline-grid; }
  .auth { margin-left: auto; }
  .foot-top { grid-template-columns: 1fr; }
  .foot-logos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .foot-logos span { padding: 0 6px; }
  .foot-logos img { width: 100%; }
}
@media (max-width: 640px) {
  .mast { padding: 10px 0 16px; }
  .mast-issue span:nth-child(3) { display: none; }
  .mast-sign-row { padding-top: 14px; }
  .rubric-in { min-height: 56px; gap: 10px; }
  .mini { font-size: 13px; letter-spacing: .14em; }
  .mini .brand-mark { height: 15px; }
  .sec-head { grid-template-columns: 1fr; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
  .foot-col:last-child { grid-column: 1 / -1; }
}
@media (max-width: 389px) { .auth .btn--sm { padding: 0 12px; } .mini { letter-spacing: .08em; font-size: 12px; } .mini .brand-mark { height: 13px; } }