/* Shared styles for ClinicAI document pages (compliance, privacy, terms).
   Tokens match index.html. */
:root{
  --bg:#FAFBFD;
  --card:#FFFFFF;
  --ink:#0A0F1E;
  --ink-2:#2B3245;
  --muted:#566075;
  --line:#E3E7EF;
  --line-2:#D3D9E5;
  --night:#0A0F1E;
  --night-2:#121A30;
  --night-line:rgba(190,205,255,.12);
  --night-muted:#A3ADC6;
  --blue:#3557FF;
  --blue-ink:#2340D8;
  --blue-soft:#E8EDFF;
  --violet:#7A5CFF;
  --cyan:#1FC8DB;
  --mint:#0A7457;
  --mint-soft:#DCF5EB;
  --mint-bright:#5BE0B3;
  --amber:#E69A12;
  --amber-ink:#8A5600;
  --amber-soft:#FFF1D6;
  --display:'Sora', 'Helvetica Neue', Arial, sans-serif;
  --sans:'Albert Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --mono:'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --wrap:1240px;
  --gutter:clamp(20px,4vw,48px);
}
*{margin:0;padding:0;box-sizing:border-box}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
html{scroll-padding-top:110px;scrollbar-color:#C3CBDA var(--bg)}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
svg,canvas{display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2.5px solid var(--blue);outline-offset:3px;border-radius:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* Reading progress */
.progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:90;background:linear-gradient(90deg,var(--blue),var(--violet),var(--cyan));transform:scaleX(0);transform-origin:left}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:15.5px;padding:15px 24px;border-radius:14px;border:0;transition:background-color .45s var(--ease),color .45s var(--ease),transform .45s var(--ease)}
.btn:hover{background-color:var(--blue);color:#fff;transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-sm{padding:11px 18px;font-size:14.5px;border-radius:12px}

/* Nav */
.nav{position:fixed;top:14px;left:0;right:0;z-index:80;padding:0 12px;pointer-events:none;transition:transform .7s var(--ease)}
.nav.hide{transform:translateY(-130%)}
.nav-inner{pointer-events:auto;margin:0 auto;max-width:1160px;height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 18px;border-radius:18px;background:rgba(255,255,255,.66);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.7),0 20px 40px -28px rgba(10,15,30,.45)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.04em}
.brand svg{width:28px;height:28px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a:not(.btn){padding:9px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-2);transition:color .3s,background .3s}
.nav-links a:not(.btn):hover{background:rgba(10,15,30,.06);color:var(--ink)}
.nav-links a[aria-current="page"]{background:rgba(10,15,30,.07);color:var(--ink)}
.nav-links .btn{margin-left:8px}

/* Header band */
.doc-hero{position:relative;padding:170px 0 90px;overflow:hidden}
.doc-field{position:absolute;inset:0;z-index:0;clip-path:polygon(0 0,100% 0,100% 82%,0 100%)}
.doc-field canvas{position:absolute;inset:0;width:100%;height:100%}
.doc-field::after{content:"";position:absolute;inset:0;background:radial-gradient(80% 100% at 10% 40%,rgba(250,251,253,.6),transparent 70%)}
.field-fallback{background:linear-gradient(120deg,#C9D4FF 0%,#D6CCFF 40%,#C4F1F6 72%,#E1F8EE 100%)}
.doc-hero .wrap{position:relative;z-index:2}
.crumb{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--ink-2);margin-bottom:26px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:background .3s}
.crumb:hover{background:#fff}
.doc-hero h1{font-family:var(--display);font-weight:600;font-size:clamp(42px,6vw,80px);line-height:1;letter-spacing:-.045em;max-width:14em;text-wrap:balance}
.doc-hero .intro{color:var(--ink-2);font-size:19px;line-height:1.55;max-width:36em;margin-top:24px;text-wrap:pretty}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.meta span{font-size:13.5px;font-weight:600;padding:7px 12px;border-radius:10px;background:rgba(255,255,255,.7);color:var(--ink-2)}

/* Layout */
.doc-body{padding:40px 0 140px}
.doc-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:72px;align-items:start}
.toc{position:sticky;top:110px;max-height:calc(100vh - 140px);overflow:auto;padding-right:8px}
.toc-title{font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.toc ol{list-style:none;position:relative;border-left:1.5px solid var(--line)}
.toc a{position:relative;display:block;padding:7px 0 7px 16px;margin-left:-1.5px;border-left:1.5px solid transparent;font-size:14.5px;line-height:1.35;color:var(--muted);transition:color .3s,border-color .3s}
.toc a:hover{color:var(--ink)}
.toc a.on{color:var(--ink);font-weight:600;border-left-color:var(--blue)}

/* Article typography */
.article{max-width:72ch;min-width:0}
.article > section + section{margin-top:72px}
.article h2{font-family:var(--display);font-weight:600;font-size:clamp(28px,3vw,38px);letter-spacing:-.035em;line-height:1.1;margin-bottom:18px;text-wrap:balance}
.article h3{font-family:var(--display);font-weight:600;font-size:21px;letter-spacing:-.025em;line-height:1.25;margin:36px 0 12px}
.article p{color:var(--ink-2);margin:0 0 16px;text-wrap:pretty}
.article strong{color:var(--ink);font-weight:600}
.article a{color:var(--blue-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:rgba(35,64,216,.35);transition:text-decoration-color .3s}
.article a:hover{text-decoration-color:currentColor}
.article ul{list-style:none;margin:6px 0 20px}
.article li{position:relative;padding:6px 0 6px 26px;color:var(--ink-2)}
.article li::before{content:"";position:absolute;left:4px;top:15px;width:7px;height:7px;border-radius:2px;background:var(--blue);opacity:.8}
.last-updated{display:none}
.caps{font-size:14.5px;letter-spacing:.01em;line-height:1.65}

/* Callouts */
.callout,.highlight-box,.warning-box{position:relative;margin:26px 0;padding:22px 24px 22px 60px;border-radius:18px;background:var(--blue-soft)}
.callout p,.highlight-box p,.warning-box p{margin:0;color:#1E2B55}
.callout::before,.highlight-box::before,.warning-box::before{content:"";position:absolute;left:22px;top:24px;width:22px;height:22px;border-radius:7px;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 8v.01M12 11v5'/%3E%3C/svg%3E") center/16px no-repeat}
.warning-box{background:var(--amber-soft)}
.warning-box p{color:#4A3000}
.warning-box::before{background-color:var(--amber)}
.highlight-box .caps{color:var(--ink-2)}

/* Tables */
.table-wrap{margin:22px 0 26px;border-radius:18px;background:var(--card);box-shadow:0 1px 0 rgba(10,15,30,.04),0 30px 60px -48px rgba(10,15,30,.5);overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--line);font-size:15.5px;vertical-align:top}
thead th{font-size:13px;font-weight:600;color:var(--muted);background:#FBFCFE}
tbody tr:last-child td{border-bottom:none}
tbody td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
tbody td{color:var(--ink-2)}
tbody tr{transition:background .3s}
tbody tr:hover{background:#FAFBFE}

/* Data-flow diagram (compliance) */
.flow{margin:24px 0 30px;padding:30px;border-radius:22px;background:var(--night);color:#fff;overflow:hidden}
.flow-title{font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--night-muted);margin-bottom:22px}
.flow-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;position:relative}
.node{position:relative;padding:16px;border-radius:14px;background:var(--night-2);box-shadow:inset 0 0 0 1px var(--night-line)}
.node b{display:block;font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:-.02em;color:#fff}
.node span{display:block;font-family:var(--mono);font-size:12px;color:var(--night-muted);margin-top:4px}
.node.ai{box-shadow:inset 0 0 0 1px rgba(125,151,255,.45);background:rgba(53,87,255,.14)}
.node.human{box-shadow:inset 0 0 0 1px rgba(91,224,179,.45);background:rgba(91,224,179,.08)}
.node.reg{box-shadow:inset 0 0 0 1px rgba(255,200,97,.5)}
.node + .node::before{content:"";position:absolute;left:-28px;top:50%;width:28px;height:1.5px;background:linear-gradient(90deg,#7D97FF,#9DB2FF);transform-origin:left;transform:scaleX(var(--draw,1))}
.node + .node::after{content:"";position:absolute;left:-7px;top:50%;margin-top:-4px;width:7px;height:8px;background:#9DB2FF;clip-path:polygon(0 0,100% 50%,0 100%);opacity:var(--draw,1)}
.flow-down{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin-top:0}
.flow-down .stem{grid-column:3;height:30px;width:1.5px;margin-left:50%;background:#9DB2FF;transform-origin:top;transform:scaleY(var(--draw,1))}
.flow-down .node{grid-column:3}
.flow .pkt{position:absolute;top:50%;left:0;width:8px;height:8px;margin-top:-4px;border-radius:2px;background:var(--mint-bright);opacity:0}

/* Contact block */
.contact-card{margin-top:22px;padding:24px;border-radius:18px;background:var(--card);box-shadow:0 1px 0 rgba(10,15,30,.04),0 30px 60px -48px rgba(10,15,30,.5);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.contact-card p{margin:0}

/* Cross-page transitions */
@view-transition{navigation:auto}
.nav-inner{view-transition-name:site-nav}
::view-transition-old(root){animation:vt-out .32s cubic-bezier(.4,0,1,1) both}
::view-transition-new(root){animation:vt-in .7s cubic-bezier(.16,1,.3,1) both}
@keyframes vt-out{to{opacity:0;transform:translateY(-12px);filter:blur(4px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(18px);filter:blur(6px)}}

/* Footer */
footer{padding:36px 0 44px;color:var(--muted);font-size:14.5px;border-top:1px solid var(--line)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot nav{display:flex;gap:26px;flex-wrap:wrap}
.foot a{transition:color .3s}
.foot a:hover,.foot a[aria-current="page"]{color:var(--ink)}

@media (max-width:1020px){
  .doc-grid{grid-template-columns:1fr;gap:0}
  .toc{display:none}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav-links a:not(.btn){display:none}
  .doc-hero{padding:130px 0 70px}
  .doc-field{clip-path:polygon(0 0,100% 0,100% 90%,0 100%)}
  .flow{padding:22px}
  /* Phone: main chain in one column, audit trail branches sideways from the staging view */
  .flow{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);column-gap:18px;row-gap:22px}
  .flow-title{grid-column:1/-1;margin-bottom:0}
  .flow-row,.flow-down{display:contents}
  .flow-row .node{grid-column:1}
  .flow-row .node:nth-child(1){grid-row:2}
  .flow-row .node:nth-child(2){grid-row:3}
  .flow-row .node:nth-child(3){grid-row:4}
  .flow-row .node:nth-child(4){grid-row:5}
  .flow-down .stem{display:none}
  .flow-down .node{grid-column:2;grid-row:4}
  .flow-down .node::before{content:"";position:absolute;left:-18px;top:50%;width:18px;height:1.5px;background:#9DB2FF}
  .node + .node::before{left:50%;top:-22px;width:1.5px;height:22px;transform-origin:top;transform:scaleY(var(--draw,1))}
  .node + .node::after{left:50%;top:-7px;margin:0 0 0 -4px;width:8px;height:7px;clip-path:polygon(0 0,100% 0,50% 100%)}
  .callout,.highlight-box,.warning-box{padding:20px 20px 20px 54px}
  .callout::before,.highlight-box::before,.warning-box::before{left:18px}
  th,td{padding:13px 16px}
  tbody td:first-child{white-space:normal}
  .foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  ::view-transition-old(root),::view-transition-new(root){animation:none}
  *,*::before,*::after{transition-duration:.01ms!important;animation:none!important;scroll-behavior:auto!important}
}

/* ---------- Mobile menu ---------- */
.menu-btn{display:none;position:relative;width:44px;height:44px;border:0;border-radius:12px;background:var(--ink);margin-left:8px}
.menu-btn i{position:absolute;left:14px;right:14px;height:1.8px;border-radius:2px;background:#fff;transition:transform .5s var(--ease),top .5s var(--ease)}
.menu-btn i:nth-of-type(1){top:17px}
.menu-btn i:nth-of-type(2){top:25px}
.vh-menu{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.menu-open .menu-btn i:nth-of-type(1){top:21px;transform:rotate(45deg)}
.menu-open .menu-btn i:nth-of-type(2){top:21px;transform:rotate(-45deg)}
.menu-sheet{position:fixed;inset:0;z-index:70;display:flex;flex-direction:column;justify-content:space-between;padding:110px 24px 36px;background:rgba(250,251,253,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);visibility:hidden;opacity:0;transition:opacity .45s var(--ease),visibility 0s linear .45s}
.menu-sheet nav{display:flex;flex-direction:column}
.menu-sheet nav a{font-family:var(--display);font-weight:600;font-size:40px;letter-spacing:-.04em;line-height:1.1;padding:10px 0;color:var(--ink);border-bottom:1px solid var(--line);opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease),color .3s}
.menu-sheet nav a[aria-current="page"]{color:var(--blue)}
.menu-sheet .menu-cta{display:flex;align-items:center;justify-content:center;padding:17px;border-radius:14px;background:var(--ink);color:#fff;font-weight:600;font-size:16px;opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease) .3s,transform .6s var(--ease) .3s}
.menu-open .menu-sheet{visibility:visible;opacity:1;transition:opacity .45s var(--ease)}
.menu-open .menu-sheet nav a,.menu-open .menu-sheet .menu-cta{opacity:1;transform:none}
.menu-open .menu-sheet nav a:nth-child(2){transition-delay:.05s}
.menu-open .menu-sheet nav a:nth-child(3){transition-delay:.1s}
.menu-open .menu-sheet nav a:nth-child(4){transition-delay:.15s}
.menu-open .menu-sheet nav a:nth-child(5){transition-delay:.2s}
.menu-open body{overflow:hidden}
.menu-open .nav{transform:none!important}
@media (max-width:760px){ .menu-btn{display:block} }
.menu-open .nav-links .btn{opacity:0;pointer-events:none}