:root{
  --navy:#0d1b3d; --blue:#1e4fa3; --teal:#00aeb3; --sky:#eaf5ff; --ice:#f7fbff; --line:#dfe8f3; --text:#22314a; --muted:#60708a; --white:#fff;
  --radius:22px; --shadow:0 16px 40px rgba(13,27,61,.08); --container:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Poppins,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:#fff;line-height:1.65} img{max-width:100%;display:block} a{color:inherit;text-decoration:none} button,input,textarea{font:inherit}.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}.narrow{width:min(820px,calc(100% - 40px))}.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:16px;top:16px;z-index:9999;background:#fff;padding:10px 16px;border-radius:10px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(223,232,243,.8)}.header-inner{min-height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:275px}.brand-mark{width:42px;height:46px;position:relative;display:block}.brand-mark:before,.brand-mark:after,.brand-mark span{content:"";position:absolute;background:linear-gradient(180deg,var(--blue),var(--teal));border-radius:20px}.brand-mark:before{width:7px;height:36px;left:16px;top:4px;transform:rotate(0)}.brand-mark:after{width:7px;height:24px;left:8px;top:1px;transform:rotate(-42deg);transform-origin:bottom}.brand-mark span:first-child{width:7px;height:24px;right:7px;top:1px;transform:rotate(42deg);transform-origin:bottom}.brand-copy{display:flex;flex-direction:column}.brand-copy strong{font-size:22px;line-height:1;color:var(--navy);letter-spacing:-.5px}.brand-copy strong span{color:var(--teal)}.brand-copy small{font-size:8px;color:#667790;margin-top:6px;letter-spacing:.03em}.main-nav{display:flex;gap:22px;margin-left:auto}.main-nav a{font-size:14px;font-weight:600;color:#34445e;position:relative}.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--blue)}.main-nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:2px;background:var(--teal)}.nav-toggle{display:none;border:0;background:none;font-size:26px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:999px;font-weight:700;border:1px solid transparent;transition:.2s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--teal),#0874b9);color:#fff;box-shadow:0 10px 26px rgba(0,174,179,.2)}.btn-outline{border-color:#9ccbe5;color:var(--blue);background:#fff}.header-cta{white-space:nowrap;padding:12px 18px;font-size:14px}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:.18em;font-weight:800;color:var(--blue)}h1,h2,h3{color:var(--navy);line-height:1.15;letter-spacing:-.025em;margin-top:0}.hero{background:linear-gradient(110deg,#f3fbff 0,#eef8ff 45%,#dff3ff 100%);overflow:hidden}.hero-grid{min-height:560px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:30px}.hero-copy{padding:70px 0}.hero h1{font-size:clamp(44px,6vw,72px);max-width:700px;margin:14px 0 20px}.hero h1 span{color:var(--teal)}.hero .lead{font-size:18px;max-width:660px;color:#4e607a}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0}.trust-row{display:flex;gap:34px;flex-wrap:wrap;margin-top:34px}.trust-item{font-size:13px;font-weight:600;color:#51627b}.hero-media{position:relative;align-self:stretch;min-height:520px}.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center;border-bottom-left-radius:48px}.floating-card{position:absolute;background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow);border-radius:16px;padding:16px 18px;font-size:13px;font-weight:700;color:var(--navy)}.floating-card.one{top:95px;left:16px}.floating-card.two{right:22px;bottom:80px}.quick-links{margin-top:-30px;position:relative;z-index:3}.quick-grid{display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.quick-card{padding:28px 18px;text-align:center;border-right:1px solid var(--line)}.quick-card:last-child{border-right:0}.quick-icon{width:48px;height:48px;margin:0 auto 12px;border-radius:14px;background:var(--sky);display:grid;place-items:center;color:var(--blue);font-weight:800;font-size:22px}.quick-card strong{display:block;color:var(--navy);font-size:15px}.section{padding:82px 0}.section-soft{background:linear-gradient(180deg,#fbfdff,#f5fbff)}.section-title{max-width:760px;margin-bottom:34px}.section-title h2{font-size:clamp(32px,4vw,48px);margin:8px 0 14px}.section-title p{color:var(--muted);font-size:17px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.feature-media{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.feature-media img{width:100%;min-height:360px;object-fit:cover}.feature-panel{padding:20px}.feature-panel h2{font-size:42px}.pill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}.pill{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fff}.pill i{width:34px;height:34px;border-radius:10px;background:var(--sky);color:var(--blue);display:grid;place-items:center;font-style:normal;font-weight:800}.pill strong{display:block;color:var(--navy);font-size:14px}.pill span{font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.article-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 8px 20px rgba(13,27,61,.04)}.article-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.article-body{padding:18px}.article-card h3{font-size:18px;margin:6px 0 10px}.article-card p{font-size:14px;color:var(--muted)}.article-card .tag{font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--teal)}.article-card .readmore{display:inline-block;margin-top:8px;color:var(--blue);font-weight:700;font-size:14px}.trust-band{background:linear-gradient(135deg,#082f59,#07558b 60%,#0b7997);color:#fff}.trust-band h2,.trust-band h3{color:#fff}.trust-band .container{padding:46px 0}.trust-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:24px;align-items:start}.trust-grid p{color:#d7ebf7;font-size:13px}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 18px}.faq-list summary{cursor:pointer;padding:18px 0;font-weight:700;color:var(--navy)}.faq-list p{color:var(--muted);margin-top:0}.cta-section{background:linear-gradient(110deg,#06325e,#075c91 60%,#0a7c9c);color:#fff;padding:58px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-section h2{color:#fff;font-size:38px;margin-bottom:8px}.cta-section p{margin:0;color:#d7edf8}.site-footer{background:#f8fbff;border-top:1px solid var(--line);padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px}.footer-grid h2{font-size:15px;margin-bottom:14px}.footer-grid a,.footer-grid span{display:block;font-size:13px;color:#51627b;margin:7px 0}.footer-grid p{font-size:13px;color:#65748c}.footer-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#718098;font-size:12px}.footer-bottom div{display:flex;gap:18px}.page-hero{padding:80px 0 58px;background:linear-gradient(135deg,#eef9ff,#f8fcff)}.page-hero h1{font-size:52px;margin:10px 0 12px}.page-hero p{font-size:18px;color:var(--muted);max-width:760px}.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:34px}.content-card{border:1px solid var(--line);border-radius:20px;background:#fff;padding:28px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff}.service-card h2,.service-card h3{font-size:21px}.service-card p{color:var(--muted);font-size:14px}.article-page{padding:54px 0 90px}.breadcrumbs{display:flex;gap:8px;font-size:12px;color:#73839c;margin-bottom:28px}.article-header h1{font-size:clamp(38px,6vw,62px);margin:10px 0}.article-header .lead{font-size:19px;color:var(--muted)}.article-meta{display:flex;gap:20px;flex-wrap:wrap;color:#73839c;font-size:12px;margin:18px 0 28px}.article-hero{border-radius:22px;width:100%;aspect-ratio:16/9;object-fit:cover}.medical-note{background:#eef8ff;border-left:4px solid var(--teal);padding:16px 18px;border-radius:10px;margin:28px 0}.prose{font-size:17px}.prose h2{font-size:32px;margin-top:42px}.prose h3{font-size:24px;margin-top:30px}.prose p,.prose li{color:#3f5068}.prose a{color:var(--blue);text-decoration:underline}.article-cta{margin-top:50px;padding:30px;border-radius:22px;background:var(--ice);border:1px solid var(--line)}.article-cta h2{font-size:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-field{display:flex;flex-direction:column;gap:8px}.form-field.full{grid-column:1/-1}.form-field label{font-size:13px;font-weight:700;color:var(--navy)}.form-field input,.form-field textarea{border:1px solid #cad8e7;border-radius:12px;padding:13px 14px;background:#fff}.form-field textarea{min-height:140px;resize:vertical}.notice{font-size:12px;color:#6d7b91}
@media (max-width:1000px){.header-cta{display:none}.main-nav{gap:15px}.hero-grid,.two-col,.content-grid{grid-template-columns:1fr}.hero-media{min-height:400px}.quick-grid{grid-template-columns:repeat(3,1fr)}.quick-card{border-bottom:1px solid var(--line)}.cards{grid-template-columns:repeat(2,1fr)}.service-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.container,.narrow{width:min(100% - 28px,var(--container))}.header-inner{min-height:68px}.brand{min-width:auto}.brand-copy small{display:none}.brand-copy strong{font-size:19px}.main-nav{position:absolute;left:14px;right:14px;top:72px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px;display:none;flex-direction:column}.main-nav.is-open{display:flex}.main-nav a[aria-current="page"]:after{display:none}.nav-toggle{display:block;margin-left:auto}.hero-grid{min-height:auto}.hero-copy{padding:54px 0 34px}.hero h1{font-size:46px}.hero-media{min-height:340px}.hero-media img{border-radius:24px}.floating-card{display:none}.trust-row{gap:14px}.quick-links{margin-top:18px}.quick-grid{grid-template-columns:1fr 1fr}.quick-card{border-right:1px solid var(--line)}.section{padding:60px 0}.feature-panel{padding:0}.feature-panel h2{font-size:34px}.pill-grid{grid-template-columns:1fr}.cards,.service-grid{grid-template-columns:1fr}.trust-grid{grid-template-columns:1fr}.cta-inner{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.page-hero h1{font-size:40px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}}

/* Refinamento visual e navegação */
.hero{position:relative;isolation:isolate;background:#092d4e;color:#fff;min-height:600px}.hero:before{content:"";position:absolute;inset:0;z-index:-2;background:url('/assets/images/hero-imunologia.webp') center 44%/cover no-repeat}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,28,53,.94) 0%,rgba(4,39,68,.82) 47%,rgba(4,35,61,.24) 100%)}.hero-grid{display:flex;align-items:center}.hero-copy{max-width:700px;padding:96px 0}.hero h1,.hero .lead,.hero .eyebrow,.hero .trust-item{color:#fff}.hero h1 span{color:#7de7e2}.hero .btn-outline{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.65);color:#fff}.hero-media{display:none}.quick-icon svg{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.service-card a,.listing-intro a{color:var(--blue);font-weight:700;text-decoration:underline}.service-card{box-shadow:0 10px 26px rgba(13,44,76,.05)}.category-nav{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 30px}.category-nav a,.pagination a{border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--navy);font-size:13px}.category-nav a[aria-current],.pagination a[aria-current]{background:var(--blue);color:#fff;border-color:var(--blue)}.pagination{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:38px 0}.listing-intro{max-width:800px;padding:25px 0}.article-card h2{font-size:18px;margin:6px 0 10px}.whatsapp-float{position:fixed;right:20px;bottom:20px;z-index:90;width:58px;height:58px;border-radius:50%;background:#1ea65a;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}.whatsapp-float svg{width:35px;height:35px}.whatsapp-float:hover{background:#158449}.whatsapp-float:focus-visible,.pagination a:focus-visible,.category-nav a:focus-visible{outline:3px solid #ffca60;outline-offset:3px}@media(max-width:760px){.hero{min-height:520px}.hero:after{background:linear-gradient(90deg,rgba(3,28,53,.94),rgba(4,39,68,.65))}.hero-copy{padding:72px 0 92px}.hero .lead{font-size:16px}.whatsapp-float{right:14px;bottom:14px}}
/* Identidade toxicologistas.com.br baseada na referência visual */
:root{--navy:#172942;--blue:#076447;--teal:#008453;--sky:#e8f7f0;--ice:#f1faf6;--line:#dfebe6;--text:#19304a;--muted:#536780;--shadow:0 12px 32px rgba(0,62,46,.1)}
body{background:#fff}.site-header{background:rgba(255,255,255,.98)}.brand{min-width:312px}.logo-flask{width:43px;height:50px;color:#006f4c;display:block}.logo-flask svg{width:100%;height:100%}.brand-copy strong{font-size:21px}.brand-copy strong span{color:#09834e}.brand-copy small{letter-spacing:.09em;font-size:7px}.main-nav{gap:19px}.main-nav a{font-size:13px}.btn-primary{background:linear-gradient(120deg,#00804d,#005d48);box-shadow:0 10px 24px rgba(0,104,75,.16)}.btn-outline{border-color:#0a7557;color:#07533f}.eyebrow{color:#067447}.hero{background:#edf5f8;min-height:490px;color:var(--navy)}.hero:before{background:url('/assets/images/hero-imunologia.webp') center/cover no-repeat}.hero:after{background:linear-gradient(90deg,rgba(248,252,255,.99) 0%,rgba(245,251,255,.93) 34%,rgba(247,250,255,.22) 75%,rgba(245,249,255,.32) 100%)}.hero-grid{display:flex;justify-content:space-between;align-items:center;min-height:490px}.hero-copy{max-width:565px;padding:55px 0 65px}.hero h1{color:#172942;font-size:clamp(42px,5.2vw,68px);line-height:1.02}.hero h1 span{color:#006746}.hero .lead{color:#263b54;max-width:550px;font-size:16px}.hero .eyebrow{color:#16344a}.hero .trust-item{color:#233a51}.hero .btn-outline{background:rgba(255,255,255,.94);color:#065640}.trust-row{gap:16px}.hero-side{display:grid;gap:3px;min-width:195px;align-self:flex-end;margin-bottom:58px}.hero-side span{background:rgba(255,255,255,.93);padding:11px 15px;border-radius:8px;font-size:12px;color:#17394a;box-shadow:0 8px 25px rgba(9,48,71,.09)}.quick-links{margin-top:-23px}.quick-grid{grid-template-columns:repeat(6,1fr);border-radius:12px}.quick-card{padding:20px 9px;min-height:140px}.quick-icon{background:none;color:#00714b;font-size:31px;margin:0 auto 7px;height:40px}.quick-card strong{font-size:13px;line-height:1.25}.quick-card small{display:block;color:#53647c;font-size:11px;line-height:1.35;margin-top:7px}.feature-visual{min-height:355px;border-radius:12px;background:linear-gradient(90deg,rgba(3,42,40,.93),rgba(2,66,57,.54)),url('/assets/images/immune-cells.webp') center/cover;display:flex;align-items:center;padding:34px;color:#fff}.feature-visual-content{max-width:355px}.feature-visual h2{font-size:36px;color:#fff}.feature-visual em{font-style:normal;color:#86d1a7}.feature-visual p{line-height:1.5}.feature-visual .eyebrow{color:#bcebd3}.feature-visual .btn-outline{color:#fff;border-color:#fff;background:none}.feature-panel{padding:15px}.feature-panel h2{font-size:37px}.service-card a{color:#05784c}.articles-head{display:flex;align-items:end;justify-content:space-between;max-width:none;gap:16px}.articles-head a{font-size:13px;color:#076a49;font-weight:700;white-space:nowrap}.section-title h2{font-size:clamp(30px,3.5vw,42px)}.cta-section{background:linear-gradient(110deg,#063d36,#006c4a);padding:46px 0}.cta-section .eyebrow{color:#b7e2cc}.btn-cta{background:#fff;color:#035c44;min-width:185px}.page-hero{background:linear-gradient(120deg,#eaf7f0,#f9fcff)}.pagination a[aria-current],.category-nav a[aria-current]{background:#076447}.site-footer{background:#f8fbf9}
@media(max-width:1100px){.quick-grid{grid-template-columns:repeat(3,1fr)}.hero-side{display:none}.brand{min-width:280px}}@media(max-width:760px){.brand{min-width:auto}.brand-copy strong{font-size:16px}.logo-flask{width:32px;height:38px}.hero{min-height:500px}.hero:after{background:linear-gradient(90deg,rgba(249,252,255,.97),rgba(248,252,255,.78))}.hero-copy{padding:60px 0 70px}.hero h1{font-size:44px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick-card{border-bottom:1px solid var(--line)}.articles-head{align-items:flex-start;flex-direction:column}.feature-visual{min-height:330px}.feature-visual h2{font-size:31px}}
/* Paleta e composição inspiradas na referência azul */
:root{--navy:#172a4d;--blue:#0865ce;--teal:#1378e4;--sky:#e9f2ff;--ice:#eff6ff;--line:#dce9fa;--text:#182e4f;--muted:#546984;--shadow:0 12px 32px rgba(21,75,155,.12)}
.logo-ultra{width:48px;height:48px;color:#0869d6;display:block}.logo-ultra svg{width:100%;height:100%}.brand{min-width:330px}.brand-copy strong{font-size:19px}.brand-copy strong span{color:#0865ce}.brand-copy small{font-size:7px}.btn-primary{background:linear-gradient(120deg,#1378e4,#0754ba);box-shadow:0 10px 25px rgba(7,90,196,.2)}.btn-outline{border-color:#1974d9;color:#0754ba}.eyebrow{color:#0a66c9}.hero{background:#dbeeff;min-height:490px;color:#172a4d}.hero:before{background:url('/assets/images/ultrassom-ilustracao.svg') center/cover no-repeat}.hero:after{background:linear-gradient(90deg,rgba(251,253,255,.98),rgba(248,252,255,.91) 32%,rgba(245,250,255,.2) 75%)}.hero h1{color:#172a4d}.hero h1 span{color:#076bd5}.hero .lead,.hero .trust-item{color:#283f5e}.hero .eyebrow{color:#152e53}.hero .btn-outline{color:#075cc6;border-color:#1479e3}.hero-side{align-self:flex-end;margin-bottom:46px}.hero-side a{display:block;background:rgba(255,255,255,.92);padding:9px 13px;border-radius:8px;color:#193757;font-size:12px;box-shadow:0 8px 24px rgba(28,75,118,.12)}.quick-icon{color:#0c72d9}.feature-visual{background:linear-gradient(90deg,rgba(5,30,70,.96),rgba(8,62,120,.66)),url('/assets/images/ultrassom-ilustracao.svg') center/cover}.feature-visual em{color:#6bb7ff}.feature-visual .eyebrow{color:#aad7ff}.service-card a,.articles-head a{color:#0a62c9}.cta-section{background:linear-gradient(110deg,#e9f4ff,#dcecff);color:#172a4d}.cta-section h2{color:#172a4d}.cta-section p{color:#3d5b7b}.cta-section .eyebrow{color:#0968d0}.btn-cta{background:#0d6bd3;color:#fff}.page-hero{background:linear-gradient(120deg,#e7f2ff,#fafdff)}.pagination a[aria-current],.category-nav a[aria-current]{background:#0865ce}.site-footer{background:#f7faff}@media(max-width:760px){.brand{min-width:auto}.brand-copy strong{font-size:16px}.logo-ultra{width:34px;height:34px}.hero:after{background:linear-gradient(90deg,rgba(250,253,255,.98),rgba(248,252,255,.75))}}