/* rad-reader.com public pages (home, pricing, FAQ, connect, terms, privacy). The signed-in app is
   app.html + app.css. Light by default, dark when the visitor's system is dark. */
:root{
  --bg:#ffffff; --bg2:#f3f7f9; --fg:#0f2430; --muted:#52687a; --line:#dde6ec;
  --brand:#0c4f63; --brand2:#127893; --accent:#f5b335; --accentfg:#1b1b1b; --ok:#0f7a4f; --card:#ffffff;
  --shadow:0 1px 2px rgba(15,36,48,.06),0 8px 28px rgba(15,36,48,.08);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#071f28; --bg2:#0b2b37; --fg:#eaf2f4; --muted:#9db3bb; --line:#1c4a59; --brand:#8fd0e3; --brand2:#5fb8d1; --card:#0b2b37; --ok:#7fd8a4;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 28px rgba(0,0,0,.35);
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand2)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 22px;font:600 16px/1 inherit;text-decoration:none;border:1px solid transparent;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--accent);color:var(--accentfg)}
.btn.primary:hover{filter:brightness(.96)}
.btn.ghost{border-color:var(--line);color:var(--fg);background:transparent}
.btn.ghost:hover{border-color:var(--brand2)}
.btn.big{padding:17px 28px;font-size:18px}

/* Header */
header.site{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg);font-weight:800;font-size:19px;letter-spacing:-.01em}
.logo img{width:36px;height:36px;border-radius:9px}
header.site nav{display:flex;gap:22px;margin-left:auto;align-items:center}
header.site nav a{color:var(--muted);text-decoration:none;font-size:15.5px;font-weight:500}
header.site nav a:hover{color:var(--fg)}
header.site nav .btn{padding:10px 16px;font-size:15px}
@media (max-width:760px){header.site nav a.hide-m{display:none}header.site nav{gap:12px}}

/* Hero */
.hero{padding:72px 0 56px;background:radial-gradient(900px 420px at 85% -10%,color-mix(in srgb,var(--brand2) 16%,transparent),transparent 70%)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;font-weight:700;font-size:13.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent);padding:6px 12px;border-radius:999px}
h1{font-size:clamp(34px,5vw,56px);line-height:1.06;letter-spacing:-.025em;margin:18px 0 18px}
h1 em{font-style:normal;color:var(--brand2)}
.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:34em;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.reassure{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:15px}
.reassure span::before{content:"✓";color:var(--ok);font-weight:800;margin-right:7px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding-top:44px}}

/* Report preview card (illustration, no real patient) */
.preview{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:20px;font-size:14px}
.preview .ph{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.preview .ph b{font-size:15px}
.tag{font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px}
.tag.ok{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok)}
.tag.warn{background:color-mix(in srgb,#b54708 14%,transparent);color:#b54708}
@media (prefers-color-scheme:dark){.tag.warn{color:#fec84b}}
.xr{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.xr div{aspect-ratio:4/3;border-radius:10px;background:radial-gradient(60% 45% at 50% 55%,#8a9aa3,#2a3439 70%,#0a0d0f);position:relative;overflow:hidden}
.xr div::after{content:"";position:absolute;left:12%;right:12%;top:30%;height:6%;background:linear-gradient(90deg,transparent,#d5dde1 20%,#d5dde1 80%,transparent);border-radius:6px;opacity:.85}
.xr div:nth-child(2)::after{top:46%;left:30%;right:30%;height:30%;border-radius:50%;background:radial-gradient(#cfd8dc,transparent 70%)}
.preview .row{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-top:1px solid var(--line)}
.preview .row span{color:var(--muted)}
.preview .ans{margin-top:10px;background:color-mix(in srgb,var(--accent) 16%,transparent);border-left:4px solid var(--accent);padding:9px 11px;border-radius:8px}

/* Sections */
section{padding:72px 0}
section.alt{background:var(--bg2)}
h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.02em;line-height:1.15;margin:0 0 14px}
.sub{color:var(--muted);font-size:18.5px;max-width:42em;margin:0 0 36px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:14px}
@media (prefers-color-scheme:dark){.step::before{color:#06232d}}
.step h3{margin:0 0 6px;font-size:19px}
.step p{margin:0;color:var(--muted);font-size:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feat{padding:4px 0}
.feat .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand2) 14%,transparent);color:var(--brand2);margin-bottom:12px}
.feat h3{margin:0 0 6px;font-size:18px}
.feat p{margin:0;color:var(--muted);font-size:16px}
@media (max-width:860px){.steps,.grid3{grid-template-columns:1fr}}

/* Pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:14px}
.plan.main{border:2px solid var(--accent);box-shadow:var(--shadow)}
.plan h3{margin:0;font-size:21px}
.price{font-size:46px;font-weight:800;letter-spacing:-.03em;line-height:1}
.price small{font-size:17px;font-weight:500;color:var(--muted);letter-spacing:0}
.plan ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.plan li{padding-left:26px;position:relative;font-size:16px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.plan .btn{margin-top:auto}
.nosub{display:inline-block;font-weight:700;color:var(--ok);font-size:15px}
@media (max-width:820px){.plans{grid-template-columns:1fr}}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:650;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand2);font-size:24px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:10px 0 0}

/* Banner + footer */
.band{background:var(--brand);color:#fff;border-radius:22px;padding:44px;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
@media (prefers-color-scheme:dark){.band{background:#0f4a5e}}
.band h2{color:#fff;margin:0 0 6px}
.band p{margin:0;color:#d4e8ef}
footer.site{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:14.5px}
footer.site .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between}
footer.site nav{display:flex;gap:18px;flex-wrap:wrap}
footer.site a{color:var(--muted)}

/* Long-form pages (terms, privacy, connect) */
.doc{max-width:760px;margin:0 auto;padding:56px 20px}
.doc h1{font-size:clamp(30px,4vw,42px)}
.doc h2{font-size:23px;margin-top:34px}
.doc p,.doc li{color:var(--fg)}
.doc .muted{color:var(--muted)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:16px}
.kv b{color:var(--muted);font-weight:600}

/* Real sample images */
.xr.real{grid-template-columns:auto auto;justify-content:center;background:#000;border-radius:10px;padding:6px;gap:6px}
.xr.real img{height:230px;width:auto;border-radius:6px;display:block}
.xr.real::after,.xr.real div::after{display:none}
.cases{display:grid;gap:22px}
.case{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:22px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.case .gallery{display:flex;gap:6px;background:#000;border-radius:12px;padding:6px;justify-content:center;align-items:center;min-height:260px}
.case .gallery img{height:340px;width:auto;max-width:33%;object-fit:contain;border-radius:6px}
.case .gallery.one img{max-width:100%;height:auto;width:100%}
.casebody .ph{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}
.casebody p,.casebody li{font-size:16px}
.casebody ul{margin:8px 0;padding-left:20px;color:var(--muted)}
.casebody .small{font-size:15px;background:color-mix(in srgb,var(--accent) 14%,transparent);border-left:4px solid var(--accent);padding:8px 10px;border-radius:8px}
@media (max-width:860px){.case{grid-template-columns:1fr}.case .gallery img{height:240px}.xr.real img{height:180px}}

/* Pricing first: site-wide top bar + hero price block */
.topbar{background:var(--brand);color:#fff;text-align:center;font-size:15px;padding:9px 16px;line-height:1.4}
@media (prefers-color-scheme:dark){.topbar{background:#0f4a5e}}
.topbar b{color:var(--accent);letter-spacing:.01em}
.topbar .dot{margin:0 8px;opacity:.6}
.topbar a{color:#fff;font-weight:700;margin-left:12px;text-decoration:underline;text-underline-offset:3px}
.pricehero{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-bottom:6px}
.nosubbig{display:inline-flex;align-items:center;gap:8px;background:var(--ok);color:#fff;font-weight:800;font-size:16px;letter-spacing:.02em;text-transform:uppercase;padding:9px 16px;border-radius:999px}
.nosubbig::before{content:"✓";font-size:17px}
@media (prefers-color-scheme:dark){.nosubbig{color:#06232d}}
.bigprice{font-size:clamp(40px,5.5vw,58px);font-weight:900;letter-spacing:-.03em;line-height:1;color:var(--fg)}
.bigprice small{display:block;font-size:16px;font-weight:600;letter-spacing:0;color:var(--muted);margin-top:4px}
.hero h1{margin-top:14px}
@media (max-width:560px){.topbar .hide-s{display:none}.topbar a{margin-left:8px}}