:root{--navy:#10233f;--navy-2:#173559;--ink:#142033;--muted:#5d6878;--paper:#f7f8f4;--white:#fff;--accent:#ffb703;--teal:#1e8c86;--line:#dfe4e8;--shadow:0 18px 55px rgba(16,35,63,.12);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit}button,input{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--white);padding:12px 16px;border-radius:10px}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,244,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(16,35,63,.08)}.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-size:1.18rem;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--navy);color:var(--accent);border-radius:13px;font-weight:800}.main-nav{display:flex;align-items:center;gap:30px}.main-nav a{text-decoration:none;color:var(--muted);font-size:.94rem;font-weight:700}.main-nav a:hover,.main-nav a.active{color:var(--navy)}.main-nav a.active::after{content:"";display:block;height:3px;background:var(--accent);border-radius:3px;margin-top:4px}.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);border-radius:10px;padding:9px 13px;font-weight:700;color:var(--navy)}
.hero{background:linear-gradient(120deg,var(--navy),#0c2d48);color:var(--white);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center;min-height:590px;padding-block:78px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);text-transform:uppercase;font-size:.76rem;font-weight:900;letter-spacing:.14em}.hero .eyebrow{color:var(--accent)}.hero h1{max-width:760px;font-size:clamp(2.7rem,5.4vw,5rem);line-height:1.02;letter-spacing:-.055em;margin:18px 0 24px}.hero-copy>p{max-width:650px;color:#cad5e0;font-size:1.12rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:12px;text-decoration:none;font-weight:850}.button.primary{background:var(--accent);color:var(--navy)}.button.secondary{border:1px solid rgba(255,255,255,.35);color:var(--white)}.button:hover{transform:translateY(-2px)}.trust-list{display:flex;gap:22px;flex-wrap:wrap;padding:0;margin:28px 0 0;list-style:none;color:#d8e1e9;font-size:.85rem}.trust-list li::before{content:"✓";color:var(--accent);font-weight:900;margin-right:7px}.hero-panel{background:#fff;color:var(--ink);padding:28px;border-radius:var(--radius);box-shadow:0 26px 80px rgba(0,0,0,.25);transform:rotate(1deg)}.panel-top{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.status{background:#dff4ee;color:#167066;padding:4px 8px;border-radius:99px}.hero-panel h2{font-size:1.8rem;line-height:1.15;margin:22px 0}.lesson-list{list-style:none;padding:0;margin:0}.lesson-list li{display:flex;align-items:center;gap:13px;padding:13px 0;border-top:1px solid var(--line);font-weight:700}.lesson-list span{color:var(--teal);font-size:.78rem}.hero-panel>a{display:inline-flex;margin-top:22px;color:var(--navy);font-weight:900;text-decoration:none}
.stats{background:var(--white);border-bottom:1px solid var(--line)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);padding-block:26px}.stats-grid div{display:flex;align-items:baseline;justify-content:center;gap:10px;border-right:1px solid var(--line)}.stats-grid div:last-child{border:0}.stats strong{font-size:1.65rem;color:var(--navy)}.stats span{font-size:.85rem;color:var(--muted)}.articles-section{padding:100px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-heading h2,.purpose-section h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;letter-spacing:-.04em;margin:10px 0 0}.section-heading p{color:var(--muted);margin:0}.filters{display:grid;gap:17px;margin-bottom:30px;padding:18px;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 24px rgba(16,35,63,.05)}.filter-search-row{display:grid;grid-template-columns:minmax(260px,1fr) auto;align-items:center;gap:16px}.search-box{width:100%;display:flex;align-items:center;gap:10px;background:#fbfcfa;border:1px solid var(--line);border-radius:13px;padding:0 15px}.search-box:focus-within{outline:3px solid rgba(30,140,134,.18);border-color:var(--teal)}.search-box input{border:0;outline:0;background:transparent;width:100%;height:50px;color:var(--ink)}.search-clear{border:0;background:transparent;color:var(--teal);padding:7px 0;font-size:.78rem;font-weight:850;cursor:pointer}.filter-result{margin:0;color:var(--muted);font-size:.82rem;white-space:nowrap}.category-filter{display:grid;gap:9px}.filter-label{color:var(--navy);font-size:.78rem;font-weight:850;letter-spacing:.02em}.filter-buttons{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}.filter-button{width:100%;min-height:44px;border:1px solid var(--line);background:#fff;color:var(--muted);padding:8px 10px;border-radius:11px;cursor:pointer;font-size:.82rem;font-weight:800;line-height:1.2}.filter-button:hover:not(.active){background:#edf2f4;color:var(--navy);border-color:#cbd5dc}.filter-button.active{background:var(--navy);color:var(--white);border-color:var(--navy);box-shadow:0 6px 14px rgba(16,35,63,.16)}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.article-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s ease}.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.article-card[hidden]{display:none}.card-visual{height:180px;display:grid;place-items:center;font-size:2.6rem;font-weight:950;letter-spacing:-.08em}.visual-database{background:#dcecf1;color:#123c55}.visual-code{background:#fff0c7;color:#8a5b00}.visual-network{background:#dff0e9;color:#14695f}.card-content{display:flex;flex:1;flex-direction:column;padding:24px}.card-meta,.card-footer{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:.74rem}.card-meta span{color:var(--teal);font-weight:850}.article-card h3{font-size:1.28rem;line-height:1.25;margin:14px 0}.article-card h3 a{text-decoration:none}.article-card h3 a:hover{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:3px}.article-card p{color:var(--muted);font-size:.92rem;margin:0 0 24px}.card-footer{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}.card-footer a{font-weight:850;color:var(--navy);text-decoration:none}.empty-state{text-align:center;background:var(--white);border:1px dashed var(--line);padding:32px;border-radius:16px;color:var(--muted)}.purpose-section{background:#e9efe8;padding:85px 0}.purpose-grid{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:90px}.purpose-grid p{font-size:1.14rem;color:#465463}
.site-footer{background:#09192e;color:#d6e0e9;padding:70px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:70px}.footer-brand{color:#fff}.footer-brand .brand-mark{background:var(--accent);color:var(--navy)}.footer-grid p{max-width:380px;color:#9eafbf}.footer-grid h2{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.12em}.footer-grid>div>a:not(.brand){display:block;text-decoration:none;color:#aebdca;margin:10px 0;font-size:.9rem}.footer-grid>div>a:hover{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:22px;color:#8092a3;font-size:.78rem}
.page-hero{background:var(--navy);color:#fff;padding:85px 0}.page-hero .container{max-width:850px}.page-hero h1{font-size:clamp(2.5rem,6vw,4.8rem);line-height:1.03;letter-spacing:-.05em;margin:16px 0}.page-hero p{color:#c8d4df;font-size:1.1rem;max-width:720px}.content-page{padding:75px 0}.prose{max-width:780px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,5vw,64px)}.prose h2{font-size:1.65rem;line-height:1.2;margin:40px 0 12px;color:var(--navy)}.prose h2:first-child{margin-top:0}.prose h3{margin-top:30px;color:var(--navy)}.prose p,.prose li{color:#465463}.prose a{color:#087a75;font-weight:750}.article-head{max-width:900px}.article-head .article-meta{display:flex;gap:18px;flex-wrap:wrap;color:#c8d4df;font-size:.86rem}.article-body{max-width:820px}.callout{background:#edf7f5;border-left:5px solid var(--teal);padding:18px 20px;border-radius:0 12px 12px 0;margin:28px 0}.code-block{background:#0b1c32;color:#e7eef5;padding:22px;border-radius:14px;overflow:auto;font:500 .9rem/1.7 ui-monospace,SFMono-Regular,Consolas,monospace}.exercise{background:#fff8df;border:1px solid #edd887;padding:24px;border-radius:15px;margin-top:34px}.table-wrap{overflow:auto}.compare-table{width:100%;border-collapse:collapse;margin:24px 0}.compare-table th,.compare-table td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}.compare-table th{background:#edf2f4;color:var(--navy)}.back-link{display:inline-flex;margin-bottom:22px;color:#c8d4df;text-decoration:none;font-weight:800}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:45px}.hero-panel{max-width:620px;transform:none}.article-grid{grid-template-columns:1fr 1fr}.filter-buttons{grid-template-columns:repeat(3,minmax(0,1fr))}.purpose-grid{grid-template-columns:1fr;gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:680px){.container{width:min(100% - 28px,1160px)}.nav-wrap{min-height:68px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:16px 20px 22px;border-bottom:1px solid var(--line);box-shadow:0 14px 25px rgba(16,35,63,.08);flex-direction:column;align-items:flex-start;gap:15px}.main-nav.open{display:flex}.hero-grid{padding-block:58px;min-height:auto}.hero h1{font-size:2.75rem}.hero-actions{flex-direction:column}.button{width:100%}.trust-list{display:grid;gap:8px}.stats-grid{grid-template-columns:1fr}.stats-grid div{border-right:0;border-bottom:1px solid var(--line);padding:9px}.articles-section{padding:70px 0}.section-heading{align-items:flex-start;flex-direction:column}.article-grid{grid-template-columns:1fr}.filters{padding:14px}.filter-search-row{grid-template-columns:1fr;gap:8px}.filter-result{padding-inline:2px}.filter-buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.filter-button{min-height:46px}.purpose-section{padding:65px 0}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.page-hero{padding:62px 0}.prose{border-radius:16px}.article-head .article-meta{display:grid;gap:5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.card-visual{overflow:hidden}.card-visual img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease}.article-card:hover .card-visual img{transform:scale(1.035)}.article-cover{margin:0 0 38px}.article-cover img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:18px}.article-cover figcaption{margin-top:9px;color:var(--muted);font-size:.78rem;text-align:center}.article-toc{background:#f3f6f7;border:1px solid var(--line);border-radius:15px;padding:22px 24px;margin:28px 0}.article-toc strong{color:var(--navy)}.article-toc ul{margin:10px 0 0;padding-left:20px}.article-toc a{text-decoration:none}.faq{border-top:1px solid var(--line);padding:18px 0}.faq h3{margin:0 0 7px}.related-box{background:var(--navy);color:#fff;border-radius:16px;padding:24px;margin-top:42px}.related-box h2{color:#fff;margin-top:0}.related-box a{color:var(--accent)}
.visual-foundations{background:#dbe8ff;color:#173f7a}.visual-ai{background:#eee2ff;color:#61399a}.visual-security{background:#ffe4e2;color:#932f35}.visual-hardware{background:#e3e8ed;color:#34465a}.visual-cloud{background:#dff3ff;color:#17648c}

/* Recursos editoriais e institucionais */
.reading-progress{position:fixed;top:76px;left:0;right:0;height:4px;z-index:49;background:transparent;pointer-events:none}.reading-progress span{display:block;width:0;height:100%;background:var(--accent);transition:width .1s linear}.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:20px;color:#aebdca;font-size:.78rem}.breadcrumbs a{color:#d9e4ed;text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}.article-tools{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;border-block:1px solid var(--line);padding:18px 0;margin:28px 0}.article-tools>span{color:var(--muted);font-size:.85rem;font-weight:750}.share-buttons{display:flex;gap:8px;flex-wrap:wrap}.share-button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--navy)!important;text-decoration:none!important;font-size:.8rem;font-weight:850;cursor:pointer}.share-button:hover{border-color:var(--teal);background:#edf7f5}.author-card{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;background:#f3f6f7;border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:38px}.author-symbol{display:grid;place-items:center;width:58px;height:58px;border-radius:16px;background:var(--navy);color:var(--accent);font-weight:950}.author-card h2{font-size:1.15rem;margin:0 0 5px}.author-card p{margin:0;font-size:.88rem}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.category-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;text-decoration:none;transition:.2s ease}.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.category-card span{display:block;color:var(--teal);font-size:.75rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.category-card h2{font-size:1.3rem;margin:8px 0}.category-card p{margin:0;color:var(--muted);font-size:.9rem}.policy-note{background:#fff8df;border:1px solid #edd887;border-radius:14px;padding:18px}.cookie-banner{position:fixed;left:20px;right:20px;bottom:20px;z-index:100;display:none;max-width:980px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 22px 70px rgba(9,25,46,.25);padding:20px}.cookie-banner.open{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}.cookie-banner p{margin:0;color:var(--muted);font-size:.88rem}.cookie-banner strong{display:block;color:var(--navy);margin-bottom:4px}.cookie-actions{display:flex;gap:8px;flex-wrap:wrap}.cookie-button{min-height:42px;border-radius:10px;padding:8px 14px;border:1px solid var(--line);background:#fff;color:var(--navy);font-weight:850;cursor:pointer}.cookie-button.primary{background:var(--navy);border-color:var(--navy);color:#fff}.cookie-settings{border:0;background:transparent;color:inherit;text-decoration:underline;cursor:pointer;padding:0;font:inherit}.legal-links{display:flex;gap:15px;flex-wrap:wrap}.legal-links a{color:inherit}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.article-nav a{display:block;border:1px solid var(--line);border-radius:13px;padding:14px;text-decoration:none}.article-nav small{display:block;color:var(--muted);font-weight:600;margin-bottom:3px}
@media(max-width:900px){.category-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.reading-progress{top:68px}.article-tools{align-items:flex-start}.share-buttons{width:100%}.share-button{flex:1}.author-card{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr}.cookie-banner.open{grid-template-columns:1fr}.cookie-actions{width:100%}.cookie-button{flex:1}.article-nav{grid-template-columns:1fr}}
.credits-list{list-style:none;padding:0;margin:30px 0}.credits-list li{padding:16px 0;border-bottom:1px solid var(--line)}.credits-list li:first-child{border-top:1px solid var(--line)}
.bibliography-list{padding-left:1.35rem;margin:30px 0}.bibliography-list li{padding:18px 0 18px 8px;border-bottom:1px solid var(--line)}.bibliography-list li:first-child{border-top:1px solid var(--line)}.bibliography-list cite{color:var(--navy)}.article-references{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}.article-references h2{margin-top:0}.article-references ol{padding-left:1.3rem}.article-references li{margin:10px 0;font-size:.9rem}.article-references .reference-note{font-size:.82rem;color:var(--muted)}
.source-note{margin:26px 0;padding:20px 22px;border:1px solid #cfe1df;border-left:5px solid var(--teal);border-radius:0 14px 14px 0;background:#f1f8f7;color:#40525a;font-size:.9rem}.source-note strong{color:var(--navy)}.source-note a{white-space:normal}