:root{--ink:#162536;--muted:#5c6b78;--brand:#174a7e;--brand2:#0e6b67;--paper:#f5f7f9;--white:#fff;--line:#dce3e8;--shadow:0 12px 30px rgba(17,35,52,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}a{color:inherit}.wrap{max-width:1180px;margin:auto;padding:0 24px}.top{background:#0d2235;color:white}.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}.brand{font-weight:700;font-size:1.25rem;text-decoration:none}.brand small{display:block;font-weight:400;opacity:.72;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.nav{display:flex;gap:6px;flex-wrap:wrap}.nav a{text-decoration:none;padding:10px 12px;border-radius:8px;font-size:.93rem}.nav a:hover{background:rgba(255,255,255,.1)}.hero{background:linear-gradient(120deg,#edf4f8,#f7f8f4);border-bottom:1px solid var(--line)}.hero .wrap{display:grid;grid-template-columns:1.5fr .7fr;gap:60px;align-items:center;padding-top:68px;padding-bottom:68px}.eyebrow{color:var(--brand2);font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem}h1{font-family:Georgia,serif;font-size:clamp(2.3rem,5vw,4.7rem);line-height:1.03;margin:.18em 0}.lead{font-size:1.16rem;color:var(--muted);max-width:720px}.portrait{background:white;padding:12px;border-radius:22px;box-shadow:var(--shadow)}.portrait img{display:block;width:100%;border-radius:14px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;text-decoration:none;background:var(--brand);color:white;padding:12px 18px;border-radius:9px;font-weight:650}.btn.alt{background:white;color:var(--brand);border:1px solid var(--line)}section{padding:58px 0}h2{font-family:Georgia,serif;font-size:2.1rem;margin:0 0 10px}.section-intro{color:var(--muted);max-width:760px;margin:0 0 28px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:white;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 4px 16px rgba(17,35,52,.04)}.card h3{margin:0 0 8px}.card p{color:var(--muted);font-size:.94rem}.card a{color:var(--brand);font-weight:650;text-decoration:none}.notice{background:#e9f3f2;border-left:4px solid var(--brand2);padding:18px 20px;border-radius:8px}.profile{display:grid;grid-template-columns:1fr 1fr;gap:32px}.clean{padding-left:20px}.footer{background:#0d2235;color:#d9e2e8;padding:34px 0;margin-top:30px}.footer p{margin:4px 0}.tag{display:inline-block;background:#edf2f6;padding:5px 9px;border-radius:999px;margin:3px;font-size:.82rem;color:#425568}@media(max-width:900px){.hero .wrap,.profile{grid-template-columns:1fr}.portrait{max-width:340px}.grid{grid-template-columns:1fr 1fr}.top .wrap{align-items:flex-start;flex-direction:column;padding-top:16px;padding-bottom:16px}}@media(max-width:560px){.grid{grid-template-columns:1fr}.wrap{padding:0 18px}.hero .wrap{padding-top:44px;padding-bottom:44px}.nav{display:none}}

.page-title{font-family:Georgia,serif;font-size:clamp(2.2rem,5vw,4rem);margin:.15em 0 .3em}.catalog-section{padding:34px 0 8px}.catalog-section h2{border-bottom:1px solid var(--line);padding-bottom:10px}.catalog-section h2 span{font-family:Segoe UI,Arial,sans-serif;font-size:.85rem;background:#e8eef3;padding:4px 9px;border-radius:999px}.catalog{list-style:none;padding:0;margin:18px 0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 18px}.catalog li{background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px 12px}.catalog small{display:block;color:var(--muted);font-family:Consolas,monospace;margin-top:2px}@media(max-width:700px){.catalog{grid-template-columns:1fr}}

.menu-btn{display:none;background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:8px;padding:8px 11px;font-size:1rem}.meta{color:var(--muted);font-size:.9rem}.legal{max-width:850px}.legal h2{margin-top:32px}.contact-box{max-width:760px}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;color:#111;padding:10px;z-index:100}.footer-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:12px}.footer-links a{color:#fff}.search-note{font-size:.9rem;color:var(--muted)}@media(max-width:560px){.menu-btn{display:block}.top .wrap{flex-direction:row;align-items:center;flex-wrap:wrap}.nav{display:none;width:100%;flex-direction:column}.nav.open{display:flex}.nav a{width:100%}}

.searchbar{display:flex;gap:10px;max-width:760px;margin:20px 0}.searchbar input{flex:1;padding:13px 14px;border:1px solid var(--line);border-radius:9px;font-size:1rem;background:#fff}.searchbar button{border:0;cursor:pointer}.result-count{color:var(--muted);font-size:.9rem;margin-bottom:14px}.archive-card[hidden]{display:none}.status-pill{display:inline-block;padding:4px 9px;border-radius:999px;background:#e9f3f2;color:#0e6b67;font-size:.78rem;font-weight:700}.warning{background:#fff6df;border-left:4px solid #b67b00;padding:16px 18px;border-radius:8px}.archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.archive-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.archive-card h3{font-size:1rem;margin:0 0 6px}.archive-card p{font-size:.88rem;color:var(--muted);margin:4px 0 10px}@media(max-width:850px){.archive-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.archive-grid{grid-template-columns:1fr}.searchbar{flex-direction:column}}

/* Visualizador interno - V9 */
.viewer-section{padding:1.25rem 0 2rem}.viewer-wrap{max-width:1400px}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.viewer-title{margin:.2rem 0;font-size:clamp(1.25rem,2vw,2rem)}.material-frame{display:block;width:100%;height:calc(100vh - 210px);min-height:620px;border:1px solid #d9e0e7;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.08)}@media(max-width:760px){.viewer-head{align-items:flex-start;flex-direction:column}.material-frame{height:calc(100vh - 245px);min-height:500px}}

/* V17: persistent navigation and accessible viewer */
.top{position:sticky;top:0;z-index:20}.viewer-actions{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}[hidden]{display:none!important}.archive-card a{color:var(--brand);font-weight:650}.material-frame{min-height:320px;height:65vh}.viewer-wrap{min-width:0}.nav a:focus-visible,.btn:focus-visible{outline:3px solid #f2be48;outline-offset:3px}@media(max-width:560px){.brand{font-size:1rem}.brand small{font-size:.6rem}.menu-btn{white-space:nowrap}.material-frame{height:60vh}.viewer-actions .btn{max-width:100%;overflow-wrap:anywhere}}

/* V18: reduzir apenas o espaco inicial de Sobre em celular */
@media(max-width:560px){.page-about #conteudo>section:first-child{padding-top:24px}}