/* HealthSave Observatory section. Same tokens and type as the homepage; no new palette. */
:root{
--paper:#EEF2F8;--paper2:#F6F9FD;--card:#FFFFFF;
--ink:#121A26;--ink2:#39434F;--muted:#6B7585;
--accent:#2D6BE0;--accentD:#1E50B8;--accentSoft:#DCE8FB;
--line:#DEE6F0;--line2:#C8D4E6;
--darkBg:#0B1220;--darkInk:#E9EFF7;--darkMuted:#94A1B5;--darkAccent:#5A9CF5;
--display:"Gabarito",-apple-system,sans-serif;--body:"Hanken Grotesk",-apple-system,sans-serif;
--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--maxw:1180px;
--shadow:0 34px 70px -38px rgba(18,38,74,.55),0 8px 22px -14px rgba(18,38,74,.28)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
a{color:var(--accent);text-decoration:none}a:hover{color:var(--accentD)}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.08;letter-spacing:-.012em;margin:0;text-wrap:balance}
h2{font-size:clamp(30px,3.8vw,46px)}
p,dd,li{text-wrap:pretty}
main [id]{scroll-margin-top:84px}
code{font-family:var(--mono);font-size:.88em;background:var(--paper2);border:1px solid var(--line);padding:.06em .36em;border-radius:6px;overflow-wrap:anywhere}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* Header */
header.site{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 86%,transparent);-webkit-backdrop-filter:saturate(160%) blur(10px);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:600;font-size:22px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand:hover{color:var(--ink)}
.mark-img{width:27px;height:27px;border-radius:8px;flex:none;object-fit:cover}
nav.top{display:flex;align-items:center;gap:24px}
nav.top a{color:var(--ink2);font-size:14.5px;font-weight:500;white-space:nowrap}
nav.top a:hover{color:var(--ink)}
nav.top a[aria-current="page"]{color:var(--ink);font-weight:700}
.hbtn{display:inline-flex;align-items:center;font-weight:600;font-size:13.5px;color:var(--paper2);background:var(--ink);padding:8px 16px;border-radius:999px;white-space:nowrap}
.hbtn:hover{color:var(--paper2);filter:brightness(1.12)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15.5px;padding:14px 24px;border-radius:12px;border:1px solid transparent;white-space:nowrap;transition:transform .15s ease,background-color .15s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:var(--paper2);box-shadow:0 10px 24px -12px rgba(18,26,38,.6)}
.btn-primary:hover{color:var(--paper2);transform:translateY(-1px)}
.btn-ghost{color:var(--ink);padding-inline:4px}.btn-ghost:hover{color:var(--accent)}
.btn-ghost::after{content:"\2192";margin-left:2px;transition:margin .15s ease}.btn-ghost:hover::after{margin-left:7px}
.cta-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px 22px;margin-top:30px}

/* Hero */
.hero{padding:clamp(44px,6vw,76px) 0 clamp(34px,4vw,56px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(34px,5vw,64px);align-items:center}
.eyebrow{display:block;font-weight:600;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.hero h1{font-size:clamp(36px,3.9vw,50px);line-height:1.06;font-weight:700;letter-spacing:-.018em;margin-top:16px}
.hero .sub{font-size:clamp(17.5px,1.5vw,19.5px);color:var(--ink2);margin:20px 0 0;max-width:46ch;line-height:1.5}
.hero-shot{position:relative}
.hero-shot img{display:block;width:124%;max-width:none;height:auto;border-radius:16px;border:1px solid var(--line2);box-shadow:var(--shadow)}
.shot-note{margin:14px 0 0;font-size:13px;color:var(--muted)}

/* Facts */
.facts{border-block:1px solid var(--line);background:var(--paper2)}
.facts dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0}
.facts dl>div{padding:24px 22px 24px 0}
.facts dl>div+div{padding-left:22px;border-left:1px solid var(--line)}
.facts dt{font-family:var(--display);font-weight:600;font-size:19px;color:var(--ink)}
.facts dd{margin:4px 0 0;font-size:14.5px;color:var(--ink2);line-height:1.45}

section.block{padding:clamp(60px,8vw,96px) 0}
.lede{font-size:clamp(17.5px,1.5vw,19px);color:var(--ink2);margin:16px 0 0;line-height:1.55;max-width:60ch}

/* Path diagram */
.path{display:grid;grid-template-columns:minmax(0,4fr) 44px minmax(0,5fr) 44px minmax(0,4fr);align-items:stretch;margin-top:44px}
.node{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}
.node.home{background:var(--ink);border-color:var(--ink);color:var(--darkInk);box-shadow:var(--shadow)}
.node h3{font-size:21px}
.node p{margin:8px 0 0;font-size:15px;color:var(--ink2);line-height:1.5}
.node.home p{color:var(--darkMuted)}
.node ul{list-style:none;margin:12px 0 0;padding:0;font-size:15px;color:var(--ink2)}
.node li{padding:4px 0}
.node.home li{color:var(--darkInk)}
.link{position:relative;align-self:center;height:2px;background:#8FA3BF}
.link::after{content:"";position:absolute;right:0;top:-4px;border-left:8px solid #8FA3BF;border-block:5px solid transparent}
.path-note{margin:24px 0 0;font-size:15px;color:var(--muted);max-width:70ch}

/* Tour */
.tour{background:var(--card);border-block:1px solid var(--line)}
.tablist{display:flex;gap:6px;flex-wrap:wrap;margin-top:32px}
.tablist button{font:inherit;font-weight:600;font-size:15px;color:var(--ink2);background:transparent;border:1px solid transparent;padding:9px 16px;border-radius:999px;cursor:pointer;transition:background-color .15s ease,color .15s ease}
.tablist button:hover{background:var(--paper)}
.tablist button[aria-selected="true"]{background:var(--ink);color:var(--paper2)}
.panel{margin-top:22px}
.panel[hidden]{display:none}
.panel p{margin:0 0 20px;font-size:17px;color:var(--ink2);max-width:64ch}
.panel img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line2);box-shadow:var(--shadow)}
@media(prefers-reduced-motion:no-preference){.panel:not([hidden]){animation:fadein .28s ease}}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Two brains */
.brains{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(34px,6vw,84px);align-items:start}
.rules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 34px;margin:0}
.rules dt{font-weight:700;font-size:17px;color:var(--ink)}
.rules dd{margin:6px 0 0;font-size:15.5px;color:var(--ink2);line-height:1.5}

/* Install band */
.band{background:var(--darkBg);color:var(--darkInk)}
.band h2{color:var(--darkInk)}
.band .lede{color:var(--darkMuted)}
.band a:not(.btn){color:var(--darkAccent)}
.term{position:relative;margin-top:32px;background:#050A14;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px 86px 18px 20px;font-family:var(--mono);font-size:14.5px;line-height:1.55;color:var(--darkInk);white-space:pre-wrap;overflow-wrap:anywhere}
.copy{position:absolute;top:12px;right:12px;font:600 12.5px var(--body);color:var(--darkInk);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:6px 11px;cursor:pointer}
.copy:hover{background:rgba(255,255,255,.18)}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin:38px 0 0;padding:0;list-style:none}
.steps strong{display:block;font-family:var(--display);font-weight:600;font-size:20px;color:var(--darkInk)}
.steps span{display:block;margin-top:6px;font-size:15px;color:var(--darkMuted);line-height:1.5}
.steps code,.band .lede code{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:var(--darkInk)}
.band .btn-primary{background:var(--paper2);color:var(--ink)}
.band .btn-primary:hover{color:var(--ink)}

/* Compare */
.table-scroll{overflow-x:auto;margin-top:36px;border:1px solid var(--line);border-radius:18px;background:var(--card)}
table.compare{border-collapse:collapse;width:100%;min-width:680px;font-size:15.5px}
table.compare th,table.compare td{text-align:left;padding:15px 20px;vertical-align:top}
table.compare thead th{font-family:var(--display);font-weight:600;font-size:18px;color:var(--ink);border-bottom:1px solid var(--line)}
table.compare tbody th{font-weight:600;color:var(--ink);width:30%}
table.compare td{color:var(--ink2)}
table.compare tbody tr+tr>*{border-top:1px solid var(--paper)}
table.compare .pick{background:var(--accentSoft)}
table.compare thead .pick{border-radius:0 18px 0 0}

/* Sources */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;padding:0;list-style:none}
.chips li{font-weight:600;font-size:15px;color:var(--ink2);background:var(--paper2);border:1px solid var(--line);padding:10px 18px;border-radius:999px}
.chips li span{font-weight:500;color:var(--muted)}

/* Limits */
.limits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;margin:36px 0 0;padding:0;list-style:none}
.limits li{padding:18px 0;border-top:1px solid var(--line2);font-size:15.5px;color:var(--ink2);line-height:1.5}
.limits strong{display:block;color:var(--ink);font-size:17px;margin-bottom:3px}

/* FAQ */
.faqwrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.faq dl{margin:0}
.faq dt{font-weight:700;font-size:17.5px;color:var(--ink);padding-top:22px;border-top:1px solid var(--line2)}
.faq dt:first-child{border-top:0;padding-top:0}
.faq dd{margin:7px 0 22px;color:var(--ink2);font-size:16px}

/* Final */
.final{text-align:center;background:var(--card);border-top:1px solid var(--line)}
.final p{color:var(--ink2);font-size:18px;margin:14px auto 0;max-width:52ch}
.final .cta-row{justify-content:center}

/* Article pages */
.doc-hero{padding:clamp(44px,6vw,72px) 0 8px}
.doc-hero h1{font-size:clamp(36px,4.6vw,56px);font-weight:700;line-height:1.05;letter-spacing:-.018em;margin-top:14px;max-width:20ch}
.doc-hero .sub{font-size:clamp(17.5px,1.5vw,19.5px);color:var(--ink2);margin:18px 0 0;max-width:62ch;line-height:1.5}
.doc{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:64px;padding:clamp(28px,4vw,44px) 0 clamp(50px,7vw,84px);align-items:start}
.doc article{min-width:0;max-width:760px}
.doc article>:first-child{margin-top:0}
.doc h2{font-size:clamp(25px,2.5vw,31px);margin:2.6em 0 .55em;line-height:1.14}
.doc h3{font-size:19px;margin:1.8em 0 .4em}
.doc p,.doc li{color:var(--ink2)}
.doc li{margin:.35em 0}
.doc ul,.doc ol{padding-left:1.25em}
.doc strong{color:var(--ink)}
.doc pre{margin:1.1em 0;background:var(--darkBg);color:var(--darkInk);border-radius:12px;padding:15px 18px;white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--mono);font-size:14px;line-height:1.6}
.doc pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit;overflow-wrap:normal}
.doc table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15.5px;background:var(--card);border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.doc th,.doc td{text-align:left;padding:12px 15px;vertical-align:top;border-top:1px solid var(--paper)}
.doc thead th{background:var(--paper2);border-top:0;font-weight:700;color:var(--ink)}
.doc td{color:var(--ink2)}
.toc{position:sticky;top:92px;font-size:14.5px}
.toc strong{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:10px}
.toc ol{list-style:none;margin:0;padding:0 0 0 14px;border-left:1px solid var(--line2)}
.toc li{margin:0 0 9px}
.toc a{color:var(--ink2)}.toc a:hover{color:var(--accent)}
.figure-split{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:32px;align-items:start;margin:1.4em 0}
.figure-split img{display:block;width:100%;height:auto;border-radius:26px;border:1px solid var(--line2);box-shadow:var(--shadow)}
.figure-split figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
figure{margin:0}
.wide-shot{margin:1.5em 0}
.wide-shot img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line2);box-shadow:var(--shadow)}
.wide-shot figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.callout{margin:1.4em 0;padding:15px 18px;background:var(--accentSoft);border-radius:12px;color:var(--ink2);font-size:15.5px}
.callout strong{color:var(--ink)}
.next-page{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;margin-top:44px;padding-top:26px;border-top:1px solid var(--line2)}

/* Footer */
footer.site{padding:64px 0 36px;background:var(--darkBg);color:var(--darkMuted);font-size:14px}
.fgrid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}
footer .brand{color:var(--darkInk)}
footer .tagline{margin:14px 0 0;max-width:32ch;color:var(--darkMuted)}
footer h4{font-weight:700;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--darkMuted);margin:4px 0 14px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:0 0 .65em;line-height:1.4}
footer a{color:var(--darkMuted)}footer a:hover{color:var(--darkInk)}
footer .legal{margin:44px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;line-height:1.55}

/* Entry */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}.btn,.btn-ghost::after{transition:none}}

@media(max-width:980px){
.hero-grid{grid-template-columns:1fr}
.hero-shot img{width:100%}
.brains,.faqwrap{grid-template-columns:1fr}
.doc{grid-template-columns:1fr;gap:0}
.toc{display:none}
.facts dl{grid-template-columns:repeat(2,minmax(0,1fr))}
.facts dl>div:nth-child(3){padding-left:0;border-left:0}
.facts dl>div:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(max-width:820px){
.path{grid-template-columns:1fr}
.link{justify-self:center;width:2px;height:30px}
.link::after{right:-4px;top:auto;bottom:0;border-top:8px solid #8FA3BF;border-inline:5px solid transparent;border-bottom:0}
.steps{grid-template-columns:1fr;gap:22px}
.rules,.limits{grid-template-columns:1fr}
.fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
.figure-split{grid-template-columns:1fr}
.figure-split figure{max-width:280px}
}
@media(max-width:640px){
.wrap{padding:0 20px}
.bar{height:60px;gap:12px}
.hbtn{display:none}
nav.top{gap:16px}
nav.top a{font-size:14px}
.brand{font-size:19px}
.mark-img{width:24px;height:24px}
.tablist{flex-wrap:nowrap;overflow-x:auto;margin-inline:-20px;padding:2px 20px 8px;scrollbar-width:none}
.tablist button{flex:none}
.term{font-size:13px}
}