.content-header { position: sticky; }
.content-nav { display: flex; gap: 1.2rem; margin-left: auto; color: var(--muted); font-size: 0.88rem; }
.content-nav a:hover { color: var(--text); }
.content-layout { display: grid; grid-template-columns: 230px minmax(0, 820px); gap: 4rem; width: min(1160px, calc(100% - 40px)); margin: 0 auto; padding: 4rem 0 7rem; }
.toc { position: sticky; top: 112px; align-self: start; max-height: calc(100vh - 140px); overflow: auto; }
.toc strong { display: block; margin-bottom: 0.8rem; font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; }
.toc nav { display: grid; gap: 0.35rem; }
.toc a { padding: 0.35rem 0; color: #8995a8; font-size: 0.86rem; }
.toc a:hover { color: var(--cyan); }
.article-hero { padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.article-hero h1 { margin: 0.5rem 0 1rem; font-size: clamp(2.6rem, 6vw, 5.5rem); line-height: 1; letter-spacing: -0.055em; }
.article-hero > p:not(.eyebrow) { max-width: 680px; color: var(--muted); font-size: 1.1rem; }
.article-hero small { color: #8492a8; }
.content-article { min-width: 0; }
.doc-section { padding: 3.5rem 0; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.doc-section h2, .paper-section h2 { margin: 0 0 0.8rem; font-size: 2rem; letter-spacing: -0.035em; }
.doc-section > p, .paper-section > p { color: var(--muted); }
.doc-section ol { display: grid; gap: 0.8rem; padding: 0; list-style: none; counter-reset: docs; }
.doc-section li { position: relative; padding: 1.2rem 1.2rem 1.2rem 3.5rem; border-radius: 16px; background: var(--surface); counter-increment: docs; }
.doc-section li::before { content: counter(docs); position: absolute; left: 1.1rem; top: 1.05rem; display: grid; place-items: center; width: 1.65rem; height: 1.65rem; border-radius: 50%; color: var(--cyan); background: rgba(83,216,255,.1); font-weight: 800; font-size: .75rem; }
.doc-section li p { margin: 0.3rem 0 0; color: var(--muted); }
.security-callout { margin-top: 3rem; padding: 1.5rem; border-radius: 18px; color: #ffdfaa; background: rgba(255,194,102,.08); border: 1px solid rgba(255,194,102,.18); }
.security-callout p { margin-bottom: 0; }
.paper-layout { width: min(960px, calc(100% - 40px)); margin: 0 auto; padding: 5rem 0 8rem; }
.paper-cover { min-height: 68vh; display: flex; flex-direction: column; justify-content: center; padding-bottom: 5rem; border-bottom: 1px solid var(--line); }
.paper-cover img { width: 90px; height: 90px; border-radius: 24px; object-fit: cover; }
.paper-cover h1 { margin: 1.5rem 0 .5rem; font-size: clamp(3rem, 8vw, 7rem); line-height: .93; letter-spacing: -.065em; }
.paper-cover .version { color: var(--cyan); font-family: ui-monospace, monospace; }
.paper-cover .abstract { max-width: 760px; color: var(--muted); font-size: 1.08rem; }
.paper-section { padding: 3.5rem 0; border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.paper-section h3 { margin-top: 2rem; font-size: 1.25rem; }
.paper-section ul { color: #c4ccda; }
.equation { margin: 1.5rem 0; padding: 1.4rem; overflow-x: auto; border-radius: 16px; color: #e7e9ff; background: linear-gradient(135deg, rgba(124,86,238,.18), rgba(83,216,255,.06)); border: 1px solid rgba(140,103,255,.18); font-family: "Times New Roman", serif; font-size: clamp(1.05rem, 2.5vw, 1.4rem); text-align: center; }
.definition-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; }
.definition-grid div { padding: 1rem; border-radius: 14px; background: var(--surface); }
.definition-grid dt { font-size: .82rem; }.definition-grid dd { margin-top: .3rem; text-align: left; }
.paper-note { padding: 1.2rem; border-left: 3px solid var(--amber); color: #e4cda9; background: rgba(255,194,102,.06); }
.paper-chart { margin: 2rem 0; padding: 1.25rem; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, rgba(17,21,29,.98), rgba(24,29,40,.9)); box-shadow: 0 18px 60px rgba(0,0,0,.16); }
.paper-chart canvas { display: block; width: 100%; border-radius: 14px; }
.paper-chart figcaption { margin-top: 1rem; color: var(--muted); font-size: .9rem; line-height: 1.65; }
.paper-chart figcaption strong { color: var(--text); }
.legal-layout { width: min(920px, calc(100% - 40px)); margin: 0 auto; padding: 5rem 0 8rem; }
.legal-hero { padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.legal-hero h1 { max-width: 850px; margin: .6rem 0 1.2rem; font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.03; letter-spacing: -.055em; word-break: keep-all; }
.legal-hero .lead { max-width: 820px; color: #c1cad8; font-size: 1.05rem; }
.legal-meta { display: block; margin-top: 1.25rem; color: #738095; font-size: .82rem; }
.policy-notice { margin: 1.5rem 0 0; padding: 1rem 1.1rem; border-left: 3px solid var(--cyan); color: #c4cedd; background: rgba(83,216,255,.06); }
.policy-notice[data-status="draft-pending-legal-review"] { border-left-color: var(--amber); color: #f0d7ad; background: rgba(255,194,102,.08); }
.legal-toc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .7rem; margin: 2rem 0 0; }
.legal-toc a { min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 14px; color: #c6cfdd; background: var(--surface); font-size: .88rem; }
.legal-toc a:hover, .legal-toc a:focus-visible { border-color: var(--violet); color: var(--text); outline: none; }
.policy-section { padding: 3.5rem 0; border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
.policy-section h2 { margin: 0 0 1.4rem; font-size: clamp(1.65rem, 4vw, 2.3rem); line-height: 1.2; letter-spacing: -.035em; }
.policy-clause { padding: 1.3rem 1.4rem; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.policy-clause + .policy-clause { margin-top: .8rem; }
.policy-clause strong { display: block; margin-bottom: .4rem; color: var(--cyan); }
.policy-clause p { margin: 0; color: #bcc6d5; }
.policy-clause p + p { margin-top: .8rem; }
.policy-bullets { display: grid; gap: .6rem; margin: .9rem 0 0; padding-left: 1.2rem; color: #bcc6d5; }
.policy-status { margin: 2rem 0; padding: 1.2rem; border: 1px solid var(--line); border-radius: 16px; color: var(--muted); background: var(--surface); }
.policy-status.is-error { border-color: rgba(255,122,138,.35); color: #ffd1d6; background: rgba(255,122,138,.08); }
.policy-alert { margin-top: 3rem; padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid rgba(255, 194, 102, .24); border-radius: 20px; background: linear-gradient(135deg, rgba(255, 194, 102, .1), rgba(255, 122, 138, .05)); }
.policy-alert h2 { margin: 0 0 .8rem; color: var(--amber); font-size: 1.45rem; }
.policy-alert p { margin: 0; color: #d9d0c1; }
.policy-footer { margin: 2rem 0 0; color: var(--muted); font-size: .86rem; }
.legal-back { display: inline-flex; min-height: 44px; align-items: center; margin-top: 2.5rem; color: var(--cyan); font-weight: 700; }
@media (max-width: 850px) { .content-layout { grid-template-columns: minmax(0, 1fr); }.toc { position: static; max-height: none; }.toc nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }.content-nav { display: none; } }
@media (max-width: 580px) {
  .content-layout, .paper-layout, .legal-layout { width: calc(100% - 32px); padding-top: 2.5rem; padding-bottom: 5rem; }
  .content-header .brand small { display:none; }
  .content-header .mobile-menu { margin-left: auto; }
  .content-header .language-picker { margin-left: 0; }
  .article-hero { padding-bottom: 2rem; }
  .article-hero h1 { font-size: clamp(2.35rem, 14vw, 4rem); overflow-wrap: anywhere; }
  .article-hero > p:not(.eyebrow), .paper-cover .abstract { font-size: 1rem; }
  .toc { min-width: 0; overflow: hidden; }
  .toc nav { display: flex; gap: .5rem; overflow-x: auto; padding-bottom: .5rem; scroll-snap-type: x proximity; scrollbar-width: thin; }
  .toc a { flex: 0 0 auto; min-height: 44px; display: flex; align-items: center; padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); scroll-snap-align: start; white-space: nowrap; }
  .doc-section, .paper-section { padding-block: 2.7rem; }
  .doc-section h2, .paper-section h2 { font-size: 1.75rem; overflow-wrap: anywhere; }
  .doc-section li { padding: 1.1rem 1rem 1.1rem 3.2rem; }
  .definition-grid { grid-template-columns: 1fr; }
  .paper-cover { min-height: auto; padding-block: 2rem 3.5rem; }
  .paper-cover img { width: 72px; height: 72px; }
  .paper-cover h1 { font-size: clamp(2.8rem, 17vw, 5rem); }
  .equation { margin-inline: -4px; padding: 1rem; font-size: 1.02rem; text-align: left; }
  .paper-chart { margin-inline: -8px; padding: .7rem; }
  .paper-chart canvas { min-width: 0; }
  .legal-hero { padding-bottom: 2.3rem; }
  .legal-hero h1 { font-size: clamp(2.25rem, 13vw, 3.7rem); overflow-wrap: anywhere; }
  .legal-hero .lead { font-size: 1rem; }
  .legal-toc { grid-template-columns: 1fr; }
  .legal-toc a { min-height: 44px; }
  .policy-section { padding-block: 2.7rem; }
  .policy-section h2 { overflow-wrap: anywhere; }
  .policy-clause { padding: 1.1rem; }
  .policy-notice { margin-top: 1.2rem; }
}
@media print { .site-header, .toc { display:none; }.content-layout { display:block; width:100%; }.paper-layout { width:100%; color:#111; background:#fff; }.paper-section { break-inside:avoid; }.equation { color:#111; background:#f4f2ff; }.paper-chart { break-inside:avoid; box-shadow:none; } body { background:#fff; color:#111; } }