:root{--cyan-text:#006f9f;--ink:#122d4f;--text:#1d3658;--cyan:#12a3e1;--line:#cbd9e4;--soft:#eff8fc;--deep:#0a2944;--muted:#526b85;--white:#fff;--max:1122px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Arial,Helvetica,sans-serif;margin:0;background:#fff;color:var(--ink);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,textarea,select{outline-offset:4px}a:focus-visible,button:focus-visible{outline:2px solid var(--cyan)}.site{max-width:var(--max);margin:0 auto;box-shadow:0 0 30px #0f345408}.header{height:98px;display:flex;align-items:center;justify-content:space-between;padding:0 60px;border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:20}.brand{width:235px;height:64px;display:flex;align-items:center}.brand img{display:block;max-width:100%;height:auto;max-height:58px}.nav{display:flex;align-items:center;gap:25px;font-size:12px;color:#193352}.nav a{padding:14px 0}.nav a[aria-current=page]{border-bottom:2px solid var(--cyan);color:var(--cyan)}.language{border-left:1px solid var(--line);padding-left:24px;margin-left:7px;white-space:nowrap;letter-spacing:1px;font-size:11px;color:var(--muted)}.language strong{color:var(--cyan)}.mobile-toggle{display:none}.hero{min-height:456px;position:relative;display:grid;grid-template-columns:51% 28% 21%;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(90deg,#fff 0%,#fff 46%,#ecf8fd 100%)}.hero.hero-home{min-height:580px}.hero-main{grid-column:1/3;grid-row:1;z-index:2;padding:42px 0 48px 60px;pointer-events:none}.hero-main>*{pointer-events:auto}.eyebrow{color:var(--cyan);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;margin:0 0 50px}.eyebrow::before,.section-tag::before{content:"";display:inline-block;background:var(--cyan);width:32px;height:2px;margin:0 17px 3px 0;vertical-align:middle}.hero h1{font-size:clamp(50px,7.1vw,83px);line-height:.98;letter-spacing:-.065em;margin:0 0 34px;font-weight:700;max-width:560px;color:#0d2849}.hero:not(.hero-home) h1{font-size:clamp(56px,7vw,88px);max-width:600px}.hero h1 .accent,h2 .accent{color:var(--cyan)}.lead{font-size:18px;line-height:1.43;letter-spacing:-.012em;max-width:440px;margin:0 0 32px;color:#385577}.hero-home .lead{max-width:430px}.buttons{display:flex;gap:30px;align-items:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 24px;background:#082a49;color:#fff;min-height:46px;font-size:12px}.btn .arrow,.text-link .arrow,.out-link .arrow{font-size:20px;font-weight:300;color:var(--cyan)}.text-link{display:inline-flex;gap:14px;align-items:center;color:var(--ink);border-bottom:2px solid var(--cyan);font-size:12px;padding-bottom:6px;white-space:nowrap}.hero-art{grid-column:2/4;grid-row:1;z-index:1;position:relative;overflow:hidden;pointer-events:none}.hero-art img{position:absolute;left:3%;top:0;height:100%;width:80%;object-fit:cover;object-position:center;opacity:.92}.hero-art:before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(90deg,#fff 0%,#ffffff00 30%,#ffffff00 65%,#eef9ff 95%)}.hero-art.eye img,.hero-art.eeg img{left:0;width:96%;object-position:center}.hero-aside{grid-column:3/4;grid-row:1;position:relative;z-index:3;padding:43px 38px 36px 5px;align-self:stretch;background:linear-gradient(90deg,#f1fafe00,#f4fbfe99)}.hero-aside .section-tag{margin-bottom:30px}.hero-aside .mark{width:155px;height:125px;object-fit:contain;display:block;margin:14px 0 18px}.side-words{font-size:32px;line-height:1.08;letter-spacing:-.045em;font-weight:400;margin:0 0 25px}.side-words + p{border-top:1px solid #8398aa;padding-top:21px;color:#4f6383;font-size:14px;line-height:1.45}.section-tag{font-size:10px;letter-spacing:1.1px;text-transform:uppercase;font-weight:700;color:#45627f;line-height:1.7}.section-tag.blue{color:var(--cyan)}.section{padding:35px 60px 44px;position:relative;background:#fff;overflow:hidden;border-bottom:1px solid #e2e9ef}.section-grid{display:grid;grid-template-columns:35% 1fr;column-gap:18px}.section-title{font-size:49px;line-height:1.01;letter-spacing:-.055em;margin:30px 0 20px;font-weight:500}.section-copy{font-size:17px;line-height:1.43;max-width:330px;color:#425b77}.section-title.small{font-size:40px}.rule{height:2px;width:40px;background:#99aabc;margin:20px 0}.topic-list{list-style:none;margin:0;padding:0}.topic-list li{display:grid;grid-template-columns:45px 1fr 20px;align-items:start;gap:25px;padding:19px 0;border-bottom:1px solid var(--line)}.topic-list li:last-child{border-bottom:0}.topic-list .num{color:var(--cyan);font-size:23px}.topic-list .label{font-size:10px;text-transform:uppercase;letter-spacing:1.1px;font-weight:700;color:#4d6682;display:block;margin-bottom:9px}.topic-list .question{font-size:20px;line-height:1.25;letter-spacing:-.018em}.topic-list a.out-link{color:var(--cyan);font-size:24px;line-height:1}.dark{background:linear-gradient(110deg,#082641eb,#0c304be8),url('dark-texture.webp') center/cover;color:#fff;padding:48px 60px}.dark .section-tag{color:#44c1fc}.dark .section-title{color:#fff;font-size:45px;margin:20px 0 17px}.dark .section-copy{color:#bdd4e0}.dark .text-link{color:#fff}.dark .topic-list li{border-color:#5e7a8e}.dark .topic-list a,.dark .topic-list .num{color:var(--cyan)}.method-list{list-style:none;padding:15px 0 0;margin:0}.method-list a{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid #86a0af;color:#fff;font-size:18px}.method-list .method-meta{font-size:9px;letter-spacing:1.1px;color:#9bcde9;text-transform:uppercase}.split-3{display:grid;grid-template-columns:repeat(3,1fr);margin-top:27px}.split-3 article{padding:0 27px;border-right:1px solid #88a1b660;min-width:0}.split-3 article:first-child{padding-left:0}.split-3 article:last-child{border:none}.split-3 .line-icon{display:block;color:var(--cyan);font-size:34px;line-height:1.5;margin-bottom:9px}.split-3 h3{font-size:23px;line-height:1.18;letter-spacing:-.035em;font-weight:500;margin:12px 0}.split-3 p{font-size:15px;line-height:1.42;color:inherit;opacity:.85;margin:7px 0 15px}.split-3 small{color:#7093a9}.section.soft{background:linear-gradient(90deg,#f5fbff,#eaf7fb)}.section-text{max-width:540px;font-size:17px;line-height:1.45;color:#425c78}.section-text p{margin:0 0 16px}.subtle-list{padding:10px 0 0;list-style:none;margin:0;color:#3e5772}.subtle-list li{padding:12px 0;border-bottom:1px solid #b5c7d6;font-size:14px}.feature-grid{display:grid;grid-template-columns:28% 1fr 18%;gap:36px}.inline-mark{width:132px;max-width:100%}.body-block{padding:25px 0;border-bottom:1px solid #cbd9e4}.body-block:last-child{border:0}.section-link{display:inline-flex;align-items:center;gap:28px;border-bottom:2px solid var(--cyan);font-size:14px;padding-bottom:4px;color:#1e3c5a}.section-link span{color:var(--cyan);font-size:24px}.person-rows{padding-top:10px}.people-group{display:grid;grid-template-columns:31% 1fr;gap:38px;align-items:start;padding:25px 0 32px;border-bottom:1px solid var(--line)}.people-group:last-child{border:0}.people-group h2{font-size:35px;line-height:1.1;letter-spacing:-.045em;margin:14px 0}.people-group p{max-width:265px;line-height:1.45;color:#47617d}.people-items{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:17px;padding:0;margin:0;list-style:none}.people-items li{text-align:center;font-size:13px;min-width:0}.people-items img{width:106px;height:106px;object-fit:cover;border-radius:50%;display:block;margin:0 auto 10px;background:#e9f3fa}.people-items strong{display:block;line-height:1.25;font-size:12px;font-weight:500;word-wrap:break-word}.people-items small{display:block;text-transform:uppercase;letter-spacing:1px;font-size:9px;margin-top:7px;color:#607893}.people-items a:hover strong{color:var(--cyan)}.people-items .img-placeholder{width:106px;height:106px;border-radius:50%;background:linear-gradient(135deg,#e5f6fd,#a6c2d4);display:block;margin:auto auto 10px}.filter-row{display:flex;gap:48px;border-bottom:1px solid var(--line);padding:0 0 18px;flex-wrap:wrap}.filter-row button{background:transparent;border:0;color:#274467;cursor:pointer;padding:12px 0}.filter-row button.active{color:var(--cyan);border-bottom:2px solid var(--cyan)}.filter-row .count{display:inline-flex;color:var(--cyan);background:#e5f7ff;border-radius:50%;padding:5px 8px;margin-left:10px}.pub-tool{display:flex;gap:16px;justify-content:flex-end;align-items:center;margin:20px 0}.pub-tool input,.pub-tool select{border:1px solid #b4cbdc;padding:12px;color:var(--ink);background:#fff}.pub-tool input{width:min(65%,450px)}.pub-list li{grid-template-columns:63px 1fr 23px;gap:23px}.pub-list .question{font-size:17px}.pub-list .pub-details{color:#5e7492;font-size:13px;margin-top:5px;line-height:1.4}.pub-list .num{font-size:18px}.pub-list .pub-item[hidden]{display:none}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}.field{display:flex;flex-direction:column;gap:7px;font-size:13px}.field-wide{grid-column:1/-1}.field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid #c1cedc;color:#1e3956;border-radius:3px;background:#fff}.field textarea{min-height:95px;resize:vertical}.contact-form .btn{border:0;cursor:pointer;justify-self:start}/* Mapa verdadeiro, com link externo caso o navegador bloqueie conteúdo de terceiros. */
.contact-map{width:100%;min-width:0;display:flex;flex-direction:column;gap:12px}
.contact-map-frame{display:block;width:100%;height:270px;min-height:220px;border:1px solid var(--line);border-radius:6px;background:#eaf4fa}
.contact-map-fallback{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;color:#075c8d;text-decoration:none;font-size:12px;line-height:1.4;border-bottom:1px solid var(--cyan);padding-bottom:4px}
.contact-map-fallback .link-arrow{flex:none;color:var(--cyan-text);width:14px;height:14px}
@media(max-width:600px){.contact-map{margin-top:18px}.contact-map-frame{height:300px}}.method-hero .hero-main{grid-column:1/3}.method-hero .hero-aside{padding-top:136px}.method-hero .hero-art:before{background:linear-gradient(90deg,#fff 0%,#fff0 30%,#ffffff00 70%,#eaf6fc 100%)}.three-steps{display:grid;grid-template-columns:25% 1fr 1fr 1fr;gap:27px}.three-steps .section-title{font-size:40px;margin-top:22px}.mini-card h3{font-size:16px;line-height:1.25;font-weight:600;margin:12px 0 8px}.mini-card p{font-size:14px;line-height:1.45;color:#59708c;margin:0}.mini-icon{display:flex;align-items:center;justify-content:center;width:64px;height:64px;background:#eff8fc;border-radius:50%;font-size:31px;color:#133f6f;margin:0 0 12px}.examples{display:grid;grid-template-columns:25% repeat(4,1fr);gap:16px}.example img{width:100%;aspect-ratio:1.8/1;object-fit:cover;display:block;background:#e1f0fa}.example h3{font-size:13px;margin:10px 0 7px;line-height:1.2}.example p{color:#6a7f98;font-size:12px;line-height:1.35;margin:0}.footer{padding:28px 60px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #d0dce7;font-size:11px;color:#71849b;gap:15px}.footer a{text-decoration:underline}.display-none{display:none!important}
@media(max-width:850px){.header{padding:0 28px;height:80px}.brand{width:185px}.nav{gap:12px;font-size:11px}.language{margin:0;padding-left:10px}.hero{grid-template-columns:65% 35%}.hero-main{grid-column:1/-1;padding-left:30px}.hero h1,.hero:not(.hero-home) h1{font-size:clamp(50px,7.2vw,72px)}.hero-art{grid-column:1/-1;left:35%;opacity:.55}.hero-aside{grid-column:2;position:relative}.hero-aside{display:none}.section,.dark{padding:36px 30px}.footer{padding:22px 30px}.people-items{grid-template-columns:repeat(4,1fr)}.people-group{grid-template-columns:26% 1fr;gap:20px}}
@media(max-width:600px){.header{height:76px;padding:0 20px}.brand{width:185px}.mobile-toggle{display:block;background:none;border:1px solid #dae7f0;padding:8px 10px;font-size:22px;color:#143958;cursor:pointer}.nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:20px;box-shadow:0 20px 35px #0e2a4530;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:11px 0;border-bottom:1px solid #e8f0f5}.language{border:0;padding:14px 0}.hero,.hero.hero-home{display:block;min-height:0}.hero-main{padding:35px 22px 48px;position:relative;z-index:2}.hero .eyebrow{font-size:9px;letter-spacing:.6px;margin-bottom:36px}.eyebrow:before,.section-tag:before{width:20px;margin-right:9px}.hero h1,.hero:not(.hero-home) h1{font-size:clamp(46px,12vw,67px);max-width:490px;margin-bottom:24px}.hero h1 br{display:none}.hero-home h1 br{display:block}.hero .lead{font-size:16px;max-width:340px}.hero .lead:last-child{margin-bottom:0}.hero-art{position:absolute;inset:0 0 0 22%;opacity:.34}.hero-art img{width:100%;height:100%;left:0;top:0;object-fit:cover}.hero-aside{display:none}.buttons{gap:16px}.btn{font-size:11px;padding:12px 15px}.text-link{font-size:11px}.section,.dark{padding:30px 22px}.section-grid,.feature-grid,.people-group,.three-steps,.examples{display:block}.section-title,.dark .section-title{font-size:39px}.section-copy{font-size:15px}.topic-list{margin-top:23px}.topic-list li{grid-template-columns:30px 1fr 15px;gap:10px}.topic-list .question{font-size:17px}.topic-list .num{font-size:18px}.dark .method-list a{font-size:16px}.split-3{display:block}.split-3 article{padding:13px 0;border-right:0;border-bottom:1px solid #7998ab60}.people-items{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}.people-group h2{font-size:31px;margin-top:8px}.people-group{padding:15px 0}.people-group>div:first-child{margin-bottom:18px}.pub-tool{justify-content:stretch}.pub-tool input{flex:1;width:auto;min-width:0}.pub-tool select{max-width:130px}.contact-form{grid-template-columns:1fr}.contact-form .field{grid-column:1}.mini-card{margin:22px 0}.examples .example{margin:18px 0}.examples .example img{width:65%}.footer{flex-direction:column;padding:20px;align-items:flex-start}.filter-row{gap:12px}.filter-row button{font-size:12px}}
/* Ajustes de proporção em relação às composições aprovadas. */
@media(min-width:851px){.dark .section-grid{grid-template-columns:57% 43%;column-gap:0}.dark .section-title{max-width:605px}.dark .section-grid>div:nth-child(2){padding-left:0}.dark{min-height:300px}}
.hero-art img{opacity:.76}.hero-aside{background:linear-gradient(90deg,#f4fbfef1,#f4fbfefb)}
@media(max-width:850px){.hero-aside{display:none}}
@media(max-width:600px){.dark .section-grid{display:block}}
/* Dissolução suave da arte nas colunas laterais. */
.hero-aside{background:linear-gradient(90deg,#eff9fd66,#f4fbfeee 45%,#f4fbfefa)}
.hero-art img{opacity:.67}

/* Página Pessoas: retratos em P&B com tonalização azul da paleta. */
.person-rows .people-items .portrait{display:block;position:relative;width:106px;height:106px;margin:0 auto 10px;border-radius:50%;overflow:hidden;background:var(--soft)}
.person-rows .people-items .portrait img{margin:0;filter:grayscale(1) contrast(1.05)}
.person-rows .people-items .portrait::after{content:"";position:absolute;inset:0;background:var(--cyan);opacity:.25;mix-blend-mode:multiply;pointer-events:none}

/* Acessibilidade e navegação estrutural. */
/* Skip navigation remains outside the viewport unless the keyboard focuses it. */
.skip-link{position:fixed;left:16px;top:12px;z-index:1000;transform:translateY(calc(-100% - 28px));background:#082a49;color:#fff;padding:12px 16px;font-size:14px}
.skip-link:focus-visible{transform:translateY(0)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--cyan-text);outline-offset:3px}
.eyebrow,.section-tag.blue,.language strong,.topic-list .num,.pub-list .num,.filter-row button.active,.filter-row .count{color:var(--cyan-text)}
.hero h1 .accent,.section-title .accent{color:var(--cyan-text)}
.dark .section-title .accent,.dark .topic-list .num,.dark .section-tag,.dark .method-list .method-meta{color:#72d0ff}
.footer{color:#50657b}
.footer a{color:#314d67}
.mail-fallback{font-size:13px;color:#4b6078;line-height:1.5;margin:15px 0 0}
.mail-fallback a{text-decoration:underline;text-underline-offset:3px;color:#006f9f}
.pub-status{min-height:1.3em;font-size:12px;color:#526b85;margin:0 0 5px}
.hero-art img[src$="-clean.svg"]{top:0;left:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:.70}
/* Manter a arte até a borda inferior, inclusive na versão móvel. */
@media(max-width:600px){.hero-art img[src$="-clean.svg"]{height:100%;width:100%;object-fit:cover;object-position:center}}
/* A palavra Eletroencefalografia não pode ser separada dentro de uma linha. */
.hero-eeg h1,.hero-eeg:not(.hero-home) h1{font-size:clamp(40px,4.7vw,56px);max-width:720px;letter-spacing:-.055em;overflow-wrap:normal}
@media(max-width:600px){.hero-eeg h1,.hero-eeg:not(.hero-home) h1{font-size:clamp(30px,7.6vw,43px);letter-spacing:-.06em}}
/* Quatro ou três retratos onde cinco colunas sobreporiam as fotografias. */
@media(min-width:731px) and (max-width:1080px){.people-items{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(min-width:601px) and (max-width:730px){.people-items{grid-template-columns:repeat(3,minmax(0,1fr))}}
/* Navegação recolhível também para tablets e notebooks estreitos. */
@media(min-width:601px) and (max-width:1050px){
 .header{padding-left:28px;padding-right:28px}
 .mobile-toggle{display:block;background:none;border:1px solid #dae7f0;padding:8px 10px;font-size:22px;line-height:1;color:#143958;cursor:pointer}
 .nav{display:none;position:absolute;top:100%;left:0;right:0;z-index:40;background:#fff;padding:16px 28px 22px;box-shadow:0 20px 35px #0e2a4530;flex-direction:column;align-items:stretch;gap:0;max-height:calc(100dvh - 80px);overflow-y:auto;font-size:13px}
 .nav.open{display:flex}
 .nav a{padding:12px 0;border-bottom:1px solid #e8f0f5}
 .language{border:0;padding:13px 0;margin:0}
}
@media(max-width:600px){.nav{max-height:calc(100dvh - 76px);overflow-y:auto;z-index:40}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Setas editoriais: SVG monocromático, sem dependência da fonte emoji de Safari. */
.link-arrow{display:inline-block;width:1em;height:1em;flex:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;fill:none;vertical-align:-.15em}
.btn .arrow,.text-link .arrow{display:inline-flex;align-items:center;justify-content:center}
.btn .arrow .link-arrow,.text-link .arrow .link-arrow{width:1em;height:1em}
.topic-list .out-link{display:inline-flex;align-items:flex-start;justify-content:center}
.topic-list .out-link .link-arrow{width:1em;height:1em}
.method-list a{align-items:center;gap:16px;min-height:64px;padding:16px 0}
.method-list .method-meta{display:inline-flex;align-items:center;justify-content:flex-end;gap:12px;white-space:nowrap;line-height:1.4}
.method-list .method-meta .link-arrow{display:block;width:17px;height:17px;min-width:17px;max-width:17px;max-height:17px;margin:0;vertical-align:middle;flex:0 0 17px;stroke:#72d0ff;fill:none}
@media(max-width:600px){.method-list a{gap:10px;min-height:56px;padding:13px 0}.method-list .method-meta{font-size:9px;gap:6px}.method-list .method-meta .link-arrow{width:15px;height:15px;min-width:15px;max-width:15px;max-height:15px;flex-basis:15px}}
.section-link span .link-arrow,.infra-register-arrow .link-arrow{width:1em;height:1em}
.infra-device-links a span .link-arrow{width:1.1em;height:1.1em}
.location .link-arrow{width:1em;height:1em;vertical-align:-.1em;color:var(--cyan-text)}

/* Language navigation: both states are keyboard-accessible on desktop and mobile. */
.language{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.language a{color:#075c8d;text-decoration:none;border-bottom:1px solid #2d93c3;padding:3px 2px;line-height:1.2}
.language a:hover,.language a:focus-visible{color:#002d4c;border-color:#002d4c}
.language strong{font-weight:700}
@media(max-width:600px){.language{padding:14px 0}.language a{display:inline-block}}
/* English headings are longer than their Portuguese equivalents; maintain readable wrapping. */
html[lang="en"] .hero h1{overflow-wrap:normal;word-break:normal}
@media(max-width:600px){html[lang="en"] .hero h1{font-size:clamp(37px,10.2vw,62px)}html[lang="en"] .method-hero h1{font-size:clamp(28px,7.4vw,42px)}html[lang="en"] .section-title{overflow-wrap:normal;word-break:normal}}