/*
Theme Name: Radiodiagnosis
Theme URI: https://radiodiagnosis.ai/
Description: Purpose-built theme for radiodiagnosis.ai. Classic PHP templates, no page builder, no block editor chrome on the front end. The homepage carries the animated ultrasound sector; content pages share the same design system so articles and product pages match without further work.
Version: 1.0
Author: radiodiagnosis.ai
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: radiodiagnosis
*/

:root{
  /* Reading room */
  --void:#07090E; --void2:#0D1119; --edge:#1C2230; --mist:#8E96A6;
  --paper:#F7F6F2; --ink:#14161B; --grey:#63676F; --hair:#E0DED6;

  /* Imaging pseudocolour ramp — the LUT a scanner uses to map intensity.
     Products are coloured along it, so the palette comes from the subject. */
  --lut1:#3B6FF0;  /* cold  */
  --lut2:#17BECF;
  --lut3:#2FCB7E;
  --lut4:#F2A93B;
  --lut5:#F0563C;  /* hot   */

  /* Doppler */
  --dop-toward:#F0563C; --dop-away:#3B8FF0;
  --beam:#5FE3D6;

  --display:"Space Grotesk",system-ui,sans-serif;
  --body:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --gut:clamp(20px,5vw,60px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);margin:0;letter-spacing:-0.028em;font-weight:600}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--beam);outline-offset:3px}
.shell{max-width:1200px;margin:0 auto;padding:0 var(--gut)}

/* ============ masthead ============ */
.masthead{position:absolute;top:0;left:0;right:0;z-index:40}
.masthead .shell{display:flex;align-items:center;gap:24px;padding-top:22px}
.wordmark{font-family:var(--display);font-size:18.5px;font-weight:600;letter-spacing:-0.04em;color:#fff}
.wordmark i{font-style:normal;color:var(--beam)}
.masthead nav{margin-left:auto;display:flex;gap:26px;font-size:14.5px;align-items:center}
.masthead nav a{text-decoration:none;color:var(--mist)}
.masthead nav a:hover{color:#fff}
.masthead nav a.pill{border:1px solid #2C3546;padding:7px 16px;border-radius:100px;color:#fff}
.masthead nav a.pill:hover{background:#fff;color:var(--void);border-color:#fff}
@media(max-width:680px){.masthead nav a.hide-s{display:none}}

/* ============ hero ============ */
.hero{background:var(--void);color:#fff;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 460px at 74% 42%, rgba(95,227,214,.13), transparent 62%),
    radial-gradient(620px 420px at 12% 96%, rgba(59,111,240,.16), transparent 66%);
  pointer-events:none;
}
.hero .shell{
  position:relative;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:clamp(24px,4vw,56px);align-items:center;
  padding-top:clamp(112px,13vw,164px);padding-bottom:clamp(64px,9vw,110px);
}
@media(max-width:940px){.hero .shell{grid-template-columns:1fr;padding-top:104px}}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--beam);margin-bottom:22px}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--beam);box-shadow:0 0 0 0 rgba(95,227,214,.55)}
@media(prefers-reduced-motion:no-preference){.kicker .dot{animation:ping 2.6s ease-out infinite}}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(95,227,214,.5)}70%,100%{box-shadow:0 0 0 11px rgba(95,227,214,0)}}
h1{font-size:clamp(38px,6.3vw,70px);line-height:1.0;max-width:13ch;font-weight:600}
h1 u{text-decoration:none;color:var(--beam)}
.lede{font-size:clamp(16px,1.5vw,18.5px);color:#A9B0BE;margin-top:24px;max-width:50ch;line-height:1.66}
.cta-row{display:flex;gap:14px;align-items:center;margin-top:34px;flex-wrap:wrap}
.cta{display:inline-block;background:var(--beam);color:#04261F;text-decoration:none;
  padding:14px 28px;font-weight:600;font-size:15.5px;border-radius:100px;font-family:var(--display)}
.cta:hover{background:#8CF0E5}
.cta.ghost{background:transparent;color:#fff;border:1px solid #2C3546}
.cta.ghost:hover{background:#151B27}

/* ---- ultrasound sector ---- */
.scanner{position:relative;justify-self:center;width:100%;max-width:430px}
.scanner svg{width:100%;height:auto;display:block}
.spk circle{fill:var(--beam)}
.arcs path{fill:none;stroke:rgba(95,227,214,.16);stroke-width:1}
.sector-edge{fill:none;stroke:rgba(95,227,214,.34);stroke-width:1.2}
.sweep{transform-origin:200px 18px}
@media(prefers-reduced-motion:no-preference){
  .sweep{animation:sweep 4.4s cubic-bezier(.5,0,.5,1) infinite alternate}
  .spk{animation:shimmer 4.4s ease-in-out infinite alternate}
  .les{animation:resolve 8.8s ease-in-out infinite}
  .dop-a{animation:dop 2.2s ease-in-out infinite alternate}
  .dop-b{animation:dop 2.2s .6s ease-in-out infinite alternate}
}
@keyframes sweep{from{transform:rotate(-34deg)}to{transform:rotate(34deg)}}
@keyframes shimmer{from{opacity:.62}to{opacity:.95}}
@keyframes resolve{0%,18%{opacity:0}44%,74%{opacity:1}96%,100%{opacity:0}}
@keyframes dop{from{opacity:.35}to{opacity:.95}}
@media(prefers-reduced-motion:reduce){.les{opacity:1}}
.readout{
  display:flex;gap:18px;margin-top:16px;font-size:11.5px;color:#5F6675;
  font-family:var(--display);letter-spacing:.02em;justify-content:center;flex-wrap:wrap;
}
.readout b{color:#8E96A6;font-weight:500}

/* ============ ramp strip ============ */
.ramp{display:flex;height:5px}
.ramp i{flex:1}

/* ============ light sections ============ */
section{position:relative}
.sec-head{padding-top:clamp(56px,7vw,96px);padding-bottom:8px}
.sec-head h2{font-size:clamp(28px,3.9vw,44px);line-height:1.06;max-width:19ch}
.sec-head p{color:var(--grey);margin-top:16px;max-width:56ch;font-size:16.5px}

/* ---- three places software helps ---- */
.triples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,28px);
  padding-top:clamp(34px,4vw,52px);padding-bottom:clamp(56px,7vw,96px)}
@media(max-width:860px){.triples{grid-template-columns:1fr}}
.tri{padding:26px 24px 28px;border-top:3px solid;background:#fff;
  box-shadow:0 1px 0 var(--hair),0 22px 40px -34px rgba(20,22,27,.5)}
.tri:nth-child(1){border-color:var(--lut1)}
.tri:nth-child(2){border-color:var(--lut3)}
.tri:nth-child(3){border-color:var(--lut4)}
.tri svg{display:block;margin-bottom:18px}
.tri h3{font-size:19px;margin-bottom:8px}
.tri p{color:var(--grey);font-size:15px}

/* ---- products ---- */
.products{background:var(--void);color:#fff}
.products .sec-head h2{color:#fff}
.products .sec-head p{color:#9AA1B0}
.plist{padding-top:clamp(30px,4vw,44px);padding-bottom:clamp(56px,7vw,96px);
  display:grid;gap:14px}
.pcard{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:clamp(14px,2.4vw,28px);
  background:var(--void2);border:1px solid var(--edge);padding:24px clamp(18px,2.6vw,30px);
  text-decoration:none;color:inherit;transition:border-color .18s,background .18s,transform .18s;
}
.pcard.live:hover{border-color:var(--c);background:#111725;transform:translateY(-2px)}
.pcard .chip{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--c) 16%,transparent);border:1px solid color-mix(in srgb,var(--c) 42%,transparent);
}
.pcard .chip svg{display:block}
.pcard h3{font-size:22px;margin-bottom:6px;display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.pcard .state{font-family:var(--body);font-size:11.5px;font-weight:500;letter-spacing:.02em;
  border:1px solid var(--c);color:var(--c);padding:2px 9px;border-radius:100px}
.pcard p{color:#98A0AF;font-size:15.2px;max-width:62ch}
.pcard .go{font-family:var(--display);font-size:14.5px;color:var(--c);white-space:nowrap;font-weight:500}
.pcard.soon{opacity:.62}
.pcard.soon .state{border-color:#39424F;color:#7C8492}
.pcard.soon .go{color:#6B7280}
@media(max-width:760px){
  .pcard{grid-template-columns:44px minmax(0,1fr);row-gap:12px}
  .pcard .chip{width:44px;height:44px;border-radius:11px}
  .pcard .go{grid-column:2}
}

/* ---- principles ---- */
.principles{padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(56px,7vw,96px)}
.prin{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,3vw,44px);margin-top:clamp(30px,4vw,46px)}
@media(max-width:760px){.prin{grid-template-columns:1fr}}
.prin > div{border-top:1px solid var(--ink);padding-top:18px}
.prin h3{font-size:18.5px;margin-bottom:8px}
.prin p{color:var(--grey);font-size:15.2px;max-width:46ch}

/* ---- faq ---- */
.faqwrap{background:#F0EEE8;border-top:1px solid var(--hair)}
.faq{padding-top:clamp(24px,3vw,36px);padding-bottom:clamp(56px,7vw,90px);border-top:1px solid var(--ink);margin-top:8px}
details{border-bottom:1px solid var(--hair)}
details summary{cursor:pointer;list-style:none;padding:18px 0;font-size:17px;font-family:var(--display);
  font-weight:500;display:flex;gap:16px;align-items:baseline}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";margin-left:auto;color:var(--grey);font-family:var(--body);font-size:20px}
details[open] summary::after{content:"\2212"}
details .ans{padding:0 0 20px;color:var(--grey);max-width:66ch;font-size:15.3px}

footer{background:var(--void);color:#8E96A6}
footer .shell{padding-top:44px;padding-bottom:48px;font-size:14px}
footer .frow{display:flex;gap:26px;flex-wrap:wrap;align-items:center}
footer a{color:#8E96A6;text-decoration:none}
footer a:hover{color:#fff}
footer .fine{margin-top:26px;max-width:78ch;line-height:1.62;color:#5F6675;font-size:13px}

/* ============ content pages and posts ============ */
.page-head{background:var(--void);color:#fff;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;
  background:radial-gradient(680px 380px at 78% 30%,rgba(95,227,214,.12),transparent 62%),
             radial-gradient(520px 340px at 8% 100%,rgba(59,111,240,.14),transparent 66%);
  pointer-events:none}
.page-head .shell{position:relative;padding-top:clamp(104px,12vw,150px);padding-bottom:clamp(44px,6vw,74px)}
.page-head h1{font-size:clamp(32px,5vw,56px);line-height:1.04;max-width:19ch;color:#fff}
.page-head .sub{color:#A9B0BE;margin-top:18px;max-width:56ch;font-size:17px}
.page-head .crumb{font-size:13.5px;color:var(--beam);margin-bottom:18px;display:block}
.page-head .crumb a{text-decoration:none}
.page-head .crumb a:hover{text-decoration:underline}

.entry{padding-top:clamp(44px,6vw,72px);padding-bottom:clamp(56px,7vw,96px);max-width:74ch}
.entry h2{font-size:clamp(24px,3vw,32px);margin:44px 0 14px;line-height:1.14}
.entry h3{font-size:20px;margin:32px 0 10px}
.entry h2:first-child,.entry h3:first-child{margin-top:0}
.entry p{margin-bottom:17px;font-size:16.5px;line-height:1.72}
.entry ul,.entry ol{margin:0 0 18px;padding-left:22px}
.entry li{margin-bottom:9px;font-size:16.5px;line-height:1.66}
.entry a{color:#14607A;text-decoration:underline;text-underline-offset:2px}
.entry a:hover{color:var(--ink)}
.entry blockquote{margin:26px 0;padding:2px 0 2px 22px;border-left:3px solid var(--lut4);color:var(--grey)}
.entry img{max-width:100%;height:auto;display:block;margin:26px 0}
.entry table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px}
.entry th,.entry td{border:1px solid var(--hair);padding:9px 12px;text-align:left}
.entry th{background:#F0EEE8;font-weight:600}
.entry code{background:#F0EEE8;padding:1px 5px;font-size:14.5px}
.entry hr{border:none;border-top:1px solid var(--hair);margin:36px 0}
.entry .wp-caption-text,.entry figcaption{font-size:13.5px;color:var(--grey);margin-top:-16px;margin-bottom:26px}

.postmeta{font-size:13.5px;color:var(--grey);margin-bottom:26px}
.postlist{padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(56px,7vw,90px);display:grid;gap:2px}
.postlist a{display:block;text-decoration:none;padding:22px 0;border-bottom:1px solid var(--hair)}
.postlist a:hover h2{color:#14607A}
.postlist h2{font-size:23px;margin-bottom:7px;line-height:1.2}
.postlist p{color:var(--grey);font-size:15.4px;max-width:70ch}
.postlist .postmeta{margin-bottom:6px}

.pager{display:flex;gap:14px;padding-bottom:70px}
.pager a{text-decoration:none;border:1px solid var(--hair);padding:9px 18px;font-size:14.5px}
.pager a:hover{border-color:var(--ink)}

.backhome{padding:0 0 clamp(56px,7vw,90px)}
.backhome a{text-decoration:none;font-family:var(--display);font-size:15px;border-bottom:1px solid var(--hair);padding-bottom:2px}
.backhome a:hover{border-bottom-color:var(--ink)}

/* the admin bar must not sit over the fixed masthead */
body.admin-bar .masthead .shell{padding-top:calc(22px + 32px)}
@media(max-width:782px){body.admin-bar .masthead .shell{padding-top:calc(22px + 46px)}}