@import url("/assets/tokens.css");

/* FAST-VID shared styles for legal pages, the blog index and articles. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::selection { background: var(--brand-soft); }
a { color: var(--brand); text-underline-offset: 0.18em; }
a:hover { color: var(--brand-strong); }
button, input { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 100;
  transform: translateY(-160%);
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: min(1160px, calc(100% - 2rem)); margin-inline: auto; }
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  border-block-end: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 24px rgba(23, 43, 58, 0.04);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 1rem 1.5rem;
}
.header-actions {
  margin-inline-start: auto;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.035em;
  white-space: nowrap;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  box-shadow: 0 6px 16px rgba(23, 43, 58, 0.18);
}
.brand-monogram { font-size: 1.08rem; font-weight: 800; line-height: 1; letter-spacing: -0.08em; }
.brand-name { font-size: 1.14rem; }
.site-nav {
  margin-inline-start: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.35rem;
  font-size: 0.86rem;
  font-weight: 650;
}
.site-nav a {
  padding: 0.48rem 0.65rem;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--brand); background: var(--brand-soft); }
.header-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(53, 99, 233, 0.18);
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.header-download:hover,
.header-download:focus-visible {
  border-color: var(--brand-strong);
  background: var(--brand-strong);
  color: #fff;
  box-shadow: 0 10px 22px rgba(53, 99, 233, 0.24);
}
.menu-toggle {
  display: none;
  flex: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.menu-toggle:hover,
.menu-toggle[aria-expanded="true"] {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand);
}
.menu-toggle-lines {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
}
.menu-toggle-lines span {
  position: absolute;
  inset-inline: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.menu-toggle-lines span:nth-child(1) { inset-block-start: 0; }
.menu-toggle-lines span:nth-child(2) { inset-block-start: 6px; }
.menu-toggle-lines span:nth-child(3) { inset-block-start: 12px; }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-lines span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.site-main { padding-block: clamp(2rem, 4vw, 3.5rem) clamp(2.5rem, 5vw, 4.5rem); }
.breadcrumbs {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li + li::before { content: "/"; margin-inline-end: 0.35rem; color: var(--line-strong); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--brand); text-decoration: underline; }
.page-header { max-width: 54rem; }
.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.15rem);
  line-height: 1.07;
  letter-spacing: -0.05em;
}
.page-header .lead { max-width: 48rem; margin: 0.9rem 0 0; color: var(--muted); font-size: 1.02rem; }
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}
.draft-notice {
  margin: 1.4rem 0 0;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(169, 45, 34, 0.18);
  border-radius: var(--radius-sm);
  background: #fdf5f3;
  color: #743e36;
  font-size: 0.82rem;
  line-height: 1.5;
}
.draft-notice strong { color: var(--error); }
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  margin-block-start: clamp(2rem, 4vw, 3rem);
}
.content-grid > *,
.article-layout > * { min-width: 0; }
.content-card {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2.2rem);
  border: 1px solid rgba(23, 43, 58, 0.12);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(23, 43, 58, 0.07);
}
.content-card > :first-child { margin-block-start: 0; }
.content-card > :last-child { margin-block-end: 0; }
.legal-body h2,
.article-body h2 {
  margin: 2rem 0 0.65rem;
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.legal-body h3,
.article-body h3 {
  margin: 1.4rem 0 0.45rem;
  font-size: 1.05rem;
  line-height: 1.3;
}
.legal-body p,
.article-body p { margin: 0.8rem 0 0; color: var(--muted); }
.legal-body ul,
.legal-body ol,
.article-body ul,
.article-body ol { margin: 0.8rem 0 0; padding-inline-start: 1.35rem; color: var(--muted); }
.legal-body li + li,
.article-body li + li { margin-block-start: 0.35rem; }
.legal-body strong,
.article-body strong { color: var(--ink); }
.legal-body code,
.article-body code {
  padding: 0.1rem 0.3rem;
  border-radius: 5px;
  background: var(--surface-soft);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.86em;
}
.table-wrap { margin: 1rem 0 0; max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; min-width: 36rem; border-collapse: collapse; font-size: 0.82rem; }
th, td { padding: 0.7rem 0.8rem; border-block-end: 1px solid var(--line); text-align: start; vertical-align: top; }
th { background: var(--surface-soft); color: var(--ink); font-weight: 700; }
tr:last-child td { border-block-end: 0; }
.policy-sidebar { position: sticky; inset-block-start: 6rem; }
.sidebar-card {
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 28px rgba(23, 43, 58, 0.04);
}
.sidebar-card + .sidebar-card { margin-block-start: 1rem; }
.sidebar-card h2 { margin: 0 0 0.6rem; font-size: 0.96rem; letter-spacing: -0.02em; }
.sidebar-card p { margin: 0; color: var(--muted); font-size: 0.82rem; }
.sidebar-links { display: grid; gap: 0.35rem; margin: 0; padding: 0; list-style: none; }
.sidebar-links a { display: block; padding: 0.32rem 0; color: var(--muted); text-decoration: none; font-size: 0.82rem; }
.sidebar-links a:hover { color: var(--brand); text-decoration: underline; }
.contact-panel {
  margin-block-start: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(23, 43, 58, 0.14);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
}
.contact-panel p { margin: 0.25rem 0 0; }
.contact-panel a { font-weight: 700; overflow-wrap: anywhere; }
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border: 1px solid var(--brand);
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}
.button:hover { background: var(--brand-strong); color: #fff; }
.button-secondary { background: var(--surface); color: var(--brand); }
.button-secondary:hover { background: var(--brand-soft); color: var(--brand); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 2rem; align-items: start; margin-block-start: 2rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin: 1rem 0 0; color: var(--muted); font-family: var(--font-mono); font-size: 0.7rem; }
.article-hero { margin: 1.5rem 0 0; overflow: hidden; border-radius: var(--radius-md); background: var(--surface-soft); }
.article-hero img { display: block; width: 100%; height: auto; }
.article-body h2 { scroll-margin-block-start: 6rem; }
.article-body h3 { scroll-margin-block-start: 6rem; }
.article-body img { max-width: 100%; height: auto; border-radius: 12px; }
.article-body blockquote {
  margin: 1.2rem 0;
  padding: 0.8rem 1rem;
  border-inline-start: 4px solid var(--brand);
  background: var(--accent-soft);
  color: var(--muted);
}
.article-body .callout {
  margin: 1.2rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(23, 43, 58, 0.14);
  border-radius: 12px;
  background: var(--accent-soft);
}
.toc {
  position: sticky;
  inset-block-start: 6rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
}
.toc h2 { margin: 0 0 0.55rem; font-family: var(--font-mono); font-size: 0.63rem; letter-spacing: 0.1em; text-transform: uppercase; }
.toc ol { margin: 0; padding-inline-start: 1.1rem; color: var(--muted); font-size: 0.8rem; }
.toc li + li { margin-block-start: 0.35rem; }
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--brand); text-decoration: underline; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.8rem; margin-block-start: 1rem; }
.related-card { padding: 0.9rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.related-card h3 { margin: 0; font-size: 0.92rem; }
.related-card p { margin: 0.35rem 0 0; font-size: 0.78rem; }
.sources { margin-block-start: 1rem; padding-inline-start: 1.2rem; color: var(--muted); font-size: 0.82rem; }
.blog-list { display: grid; gap: 1rem; margin-block-start: 1.5rem; }
.blog-list-card {
  display: block;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.blog-list-card:hover { border-color: rgba(23, 43, 58, 0.3); transform: translateY(-1px); box-shadow: 0 10px 28px rgba(23, 43, 58, 0.06); }
.blog-list-card h2 { margin: 0; font-size: 1.12rem; letter-spacing: -0.025em; }
.blog-list-card p { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.86rem; }
.blog-list-card .meta { margin-block-start: 0.6rem; color: var(--muted); font-family: var(--font-mono); font-size: 0.65rem; }
.empty-state { margin-block-start: 1.5rem; padding: 1.2rem; border: 1px dashed var(--line-strong); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.55); }
.empty-state p { margin: 0.4rem 0 0; color: var(--muted); }
/* Policy, sponsorship and disclosure pages. */
.policy-callout {
  margin: 1.2rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(53, 99, 233, 0.18);
  border-radius: var(--radius-md);
  background: var(--brand-soft);
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.65;
}
.policy-callout p { margin: 0.35rem 0 0; color: var(--ink); }
.policy-callout p:first-child { margin-block-start: 0; }
.policy-callout strong { color: var(--ink); }
.policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}
.policy-links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}
.policy-links a:hover,
.policy-links a:focus-visible { border-color: var(--brand); background: var(--brand-soft); }
.split-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.4rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.split-list li {
  position: relative;
  min-width: 0;
  padding-inline-start: 1.3rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}
.split-list li::before {
  content: "";
  position: absolute;
  inset-block-start: 0.55rem;
  inset-inline-start: 0.15rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
}
.split-list--prohibited li::before {
  border-radius: 2px;
  background: var(--secondary);
}
.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 0;
}
.sponsor-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(23, 43, 58, 0.04);
}
.sponsor-card h3 { margin: 0.55rem 0 0.4rem; font-size: 1.02rem; }
.sponsor-card p { margin: 0.35rem 0 0; font-size: 0.85rem; }
.sponsor-card ul { margin: 0.5rem 0 0; padding-inline-start: 1.1rem; font-size: 0.83rem; }
.sponsor-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0.15rem 0.45rem;
  border: 1px solid rgba(53, 99, 233, 0.24);
  border-radius: var(--radius-pill);
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.policy-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.9rem 0 0;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}
.site-footer {
  border-block-start: 1px solid rgba(23, 43, 58, 0.12);
  background: linear-gradient(180deg, rgba(232, 238, 255, 0.3), rgba(255, 255, 255, 0.68));
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr) minmax(0, 1.05fr) minmax(0, 0.8fr);
  gap: clamp(1.5rem, 3vw, 2.75rem);
  padding-block: 2.5rem 2rem;
  align-items: start;
}
.footer-brand p { max-width: 24rem; margin: 0.7rem 0 0; color: var(--muted); font-size: 0.8rem; line-height: 1.6; }
.footer-grid p { margin: 0.7rem 0 0; color: var(--muted); font-size: 0.8rem; line-height: 1.6; }
.footer-heading { margin: 0 0 0.6rem; color: var(--muted); font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.footer-links { display: grid; gap: 0.35rem; margin: 0; padding: 0; list-style: none; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.8rem; }
.footer-links a:hover { color: var(--brand); text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.6rem; padding-block: 1rem 1.3rem; border-block-start: 1px solid var(--line); color: var(--muted); font-family: var(--font-mono); font-size: 0.65rem; }
@media (max-width: 900px) {
  .content-grid, .article-layout { grid-template-columns: 1fr; }
  .policy-sidebar, .toc { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .sponsor-grid { grid-template-columns: 1fr; }
  .split-list { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .header-inner {
    min-height: 68px;
    flex-wrap: nowrap;
    padding-block: 0.4rem;
    gap: 0.6rem;
  }
  .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
  .brand-name { font-size: 1rem; }
  .header-actions { margin-inline-start: auto; width: auto; }
  .site-nav {
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    z-index: 1;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 0.65rem clamp(0.75rem, 4vw, 1.25rem) 0.85rem;
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    overscroll-behavior: contain;
    border-block-end: 1px solid var(--line);
    background: var(--surface);
    box-shadow: 0 18px 35px rgba(23, 43, 58, 0.14);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    font-size: 0.95rem;
  }
  .site-nav a:hover,
  .site-nav a:focus-visible {
    background: var(--brand-soft);
    color: var(--brand);
  }
  .menu-toggle { display: inline-flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 1.5rem, 1040px); }
  .site-main { padding-block: 1.5rem 2.5rem; }
  .content-card { padding: 1rem; border-radius: 18px; }
  .page-header h1 { font-size: 2rem; }
  .page-header .lead { font-size: 0.96rem; }
  .breadcrumbs { font-size: 0.75rem; }
  .site-nav { font-size: 0.82rem; }
  .site-nav a { min-height: 42px; }
  .header-download { min-height: 42px; padding: 0.45rem 0.72rem; font-size: 0.78rem; }
  .table-wrap { margin-inline: -0.15rem; }
  .article-layout { gap: 1rem; }
  .toc { padding: 0.85rem; }
}
/* Keep the logo, Download action and menu inside the viewport at very narrow widths. */
@media (max-width: 300px) {
  .shell { width: min(100% - 1rem, 1040px); }
  .site-header .header-inner { gap: 0.25rem; }
  .site-header .brand { gap: 0.35rem; }
  .site-header .brand-mark { width: 30px; height: 30px; border-radius: 8px; }
  .site-header .brand-monogram { font-size: 0.9rem; }
  .site-header .brand-name { font-size: 0.84rem; letter-spacing: -0.04em; }
  .site-header .header-actions { gap: 0.25rem; }
  .site-header .header-download { min-height: 42px; padding: 0.35rem; font-size: 0.75rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}