/* Candidus Data Lab — shared UX, accessibility & polish layer.
   Loaded after each page's inline <style> so these rules win on ties.
   Palette tokens stay in the existing brand family; only contrast is tightened. */

:root{
  /* Contrast-tightened variants of the existing brand greys/teal (both AA on --bg and --bg-alt) */
  --text-dim:#5F6570;
  --accent-text:#0A6E65;
  --shadow-lg:0 18px 44px rgba(32,36,43,0.09);
}

/* ---------- Base robustness ---------- */
html{overflow-x:clip;}
body{text-rendering:optimizeLegibility;}
img,svg,video,canvas,table{max-width:100%;}
h1,h2,h3,h4,p,li,td,th,summary,figcaption{overflow-wrap:break-word;}
.wrap{width:100%;}

/* Visually hidden but available to assistive tech */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;top:0;left:-9999px;z-index:200;
  background:var(--surface);color:var(--accent-text);
  padding:12px 20px;font-size:14px;font-weight:600;text-decoration:none;
  border:1px solid var(--accent);border-radius:0 0 10px 0;box-shadow:var(--shadow-md);
}
.skip-link:focus{left:0;}

/* ---------- Focus visibility ---------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
details:focus-visible,
[tabindex]:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
:target{scroll-margin-top:88px;}

/* ---------- Header / navigation ---------- */
header{padding-bottom:0;}
.nav-actions{display:flex;align-items:center;gap:10px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  color:var(--text);cursor:pointer;padding:0;
  transition:border-color .15s ease,background .15s ease;
}
.nav-toggle:hover{border-color:var(--accent);}
.nav-toggle-icon{position:relative;display:block;width:18px;height:12px;}
.nav-toggle-icon span{
  position:absolute;left:0;height:2px;width:100%;border-radius:2px;
  background:currentColor;transition:transform .2s ease,opacity .15s ease,top .2s ease;
}
.nav-toggle-icon span:nth-child(1){top:0;}
.nav-toggle-icon span:nth-child(2){top:5px;}
.nav-toggle-icon span:nth-child(3){top:10px;}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1){top:5px;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3){top:5px;transform:rotate(-45deg);}

/* Mobile menu panel — lives inside <header>, below the nav row */
.mobile-menu{
  display:none;
  border-top:1px solid var(--border);
  background:var(--bg);
  max-height:calc(100dvh - 72px);
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.mobile-menu[hidden]{display:none;}
.mobile-menu-inner{max-width:1080px;margin:0 auto;padding:14px 24px 22px;}
.mobile-menu-links{display:flex;flex-direction:column;margin:0 0 16px;list-style:none;padding:0;}
.mobile-menu-links li{margin:0;}
.mobile-menu-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:8px 2px;
  font-size:17px;font-weight:500;color:var(--text);text-decoration:none;
  border-bottom:1px solid var(--border);
}
.mobile-menu-links a::after{
  content:"";width:7px;height:7px;flex-shrink:0;
  border-right:2px solid var(--accent-dim);border-bottom:2px solid var(--accent-dim);
  transform:rotate(-45deg);
}
.mobile-menu-links a:hover,.mobile-menu-links a:active{color:var(--accent-text);}
.mobile-menu .btn{display:flex;width:100%;min-height:50px;align-items:center;justify-content:center;font-size:15px;}
.mobile-menu-note{font-size:13px;color:var(--text-dim);margin:12px 0 0;text-align:center;}

html.menu-open,body.menu-open{overflow:hidden;}

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(251,250,248,0.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
  transform:translateY(115%);
  transition:transform .24s ease;
}
.mobile-cta.is-visible{transform:none;}
body.menu-open .mobile-cta{transform:translateY(115%);}
.mobile-cta .btn{display:flex;width:100%;min-height:48px;align-items:center;justify-content:center;font-size:15px;}
.mobile-cta-note{display:block;font-size:11.5px;color:var(--text-dim);text-align:center;margin-top:6px;}

/* ---------- Rhythm & scanability ---------- */
h1{line-height:1.14;}
h2,h3{text-wrap:balance;}
h2{line-height:1.25;}

.page-home section{padding-block:clamp(58px,7vw,90px);}
.page-home h2{font-size:clamp(26px,3.4vw,34px);}
.page-home .section-lead{margin-bottom:clamp(32px,4.5vw,52px);line-height:1.6;}
.page-home section.cta-band{padding-block:clamp(64px,8vw,100px);}
.page-home .hero{padding-block:clamp(56px,8vw,96px) clamp(48px,6vw,80px);}

.page-blog .hero{padding-block:clamp(56px,7vw,80px) clamp(34px,4vw,50px);}
.page-blog h1{font-size:clamp(29px,4.4vw,40px);}
.page-blog .post-card h2{font-size:clamp(19px,2.2vw,22px);}

.page-article h2{font-size:clamp(22px,2.6vw,26px);margin-top:clamp(38px,5vw,48px);}
.page-article .lead{line-height:1.6;}

.lead{line-height:1.6;}
.card-grid,.why-grid,.eng-grid,.proof-grid,.process-grid{gap:clamp(18px,2.2vw,26px);}
.card{padding:clamp(24px,2.4vw,32px);}

/* Hero */
.hero-ctas .btn{padding:14px 24px;font-size:15px;}
.hero-note{font-size:13.5px;color:var(--text-dim);margin:22px auto 0;max-width:620px;line-height:1.6;}
.hero-note + .hero-note{margin-top:10px;}
.eyebrow{max-width:100%;}

/* Closing CTA proof row */
.cta-proof{max-width:780px;gap:20px 32px;}
.cta-proof .num{line-height:1.3;}

/* ---------- Proof bar ---------- */
.proof-bar{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:var(--bg-alt);
}
.proof-bar-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px 28px;padding:26px 0;
}
.proof-item{position:relative;padding-left:16px;}
.proof-item::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:2px;
  background:var(--accent);opacity:.55;border-radius:2px;
}
.proof-num{
  font-family:'JetBrains Mono',monospace;font-size:clamp(19px,2.1vw,23px);
  font-weight:700;letter-spacing:-0.5px;line-height:1.25;
}
.proof-label{font-size:12.5px;color:var(--text-dim);line-height:1.45;margin-top:2px;}
@media (max-width:760px){
  .proof-bar-inner{grid-template-columns:1fr 1fr;gap:18px 18px;padding:24px 0;}
}

/* ---------- Qualification ("Who I help") ---------- */
.fit-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.fit-card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:clamp(24px,2.4vw,32px);box-shadow:var(--shadow-sm);
}
.fit-card.is-primary{border-color:var(--accent-dim);box-shadow:var(--shadow-md);}
.fit-card h3{font-size:18px;font-weight:600;margin-bottom:4px;}
.fit-card .fit-sub{font-size:13px;color:var(--text-dim);margin-bottom:18px;}
.fit-list{list-style:none;margin:0;padding:0;}
.fit-list li{
  position:relative;padding:9px 0 9px 20px;font-size:14.5px;color:var(--text-dim);
  line-height:1.55;border-top:1px solid var(--border);
}
.fit-list li:first-child{border-top:none;padding-top:0;}
.fit-list li::before{
  content:"";position:absolute;left:0;top:16px;width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}
.fit-list li:first-child::before{top:7px;}
.fit-card.is-muted .fit-list li::before{background:var(--border);}
@media (max-width:820px){.fit-grid{grid-template-columns:1fr;}}

/* ---------- Founder credibility ---------- */
.founder{border-top:1px solid var(--border);background:var(--bg-alt);}
.founder-card{
  display:grid;grid-template-columns:auto 1fr;gap:26px;
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:clamp(24px,3vw,36px);box-shadow:var(--shadow-md);
}
.founder-avatar{
  width:76px;height:76px;border-radius:20px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);border:1px solid var(--accent-dim);
  color:var(--accent-text);font-family:'JetBrains Mono',monospace;
  font-size:24px;font-weight:700;letter-spacing:0.5px;
}
.founder-name{font-size:clamp(21px,2.4vw,25px);font-weight:700;letter-spacing:-0.4px;margin-bottom:4px;}
.founder-role{
  font-size:12.5px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--accent-text);margin-bottom:16px;
}
.founder-body p{font-size:15.5px;color:var(--text-dim);margin-bottom:14px;line-height:1.65;}
.founder-body p:last-of-type{margin-bottom:0;}
.cred-list{
  display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;
  list-style:none;margin:22px 0 0;padding:20px 0 0;border-top:1px solid var(--border);
}
.cred-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-dim);line-height:1.5;}
.cred-list li::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.cred-list li strong{color:var(--text);font-weight:600;}
@media (max-width:720px){
  .founder-card{grid-template-columns:1fr;gap:18px;}
  .founder-avatar{width:60px;height:60px;border-radius:16px;font-size:20px;}
  .cred-list{grid-template-columns:1fr;}
}

/* ---------- Trust strip / cards ---------- */
.trust-inner{padding-block:clamp(30px,3.6vw,40px);}
.trust-item h3{font-size:15px;font-weight:600;}
.trust-item p{font-size:13.5px;color:var(--text-dim);line-height:1.5;}
.why-item h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.why-item p{font-size:14.5px;color:var(--text-dim);}
.eng-card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.eng-card p{font-size:14.5px;color:var(--text-dim);}
.process-item h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.process-item p{font-size:14.5px;color:var(--text-dim);}
.proof-card{transition:box-shadow .15s ease,border-color .15s ease,transform .15s ease;}
.proof-card:hover{border-color:var(--accent-dim);box-shadow:var(--shadow-md);transform:translateY(-2px);}

/* ---------- FAQ ---------- */
.faq-item{padding-block:6px;}
.faq-item summary{min-height:44px;padding:14px 2px;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex-shrink:0;margin-right:5px;
  border-right:2px solid var(--accent-text);border-bottom:2px solid var(--accent-text);
  transform:rotate(45deg);transform-origin:60% 60%;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item p{font-size:14.5px;padding-bottom:12px;}

/* ---------- Footer ---------- */
footer{padding-block:clamp(32px,4vw,44px);}
.footer-links a:hover,.social-icons a:hover{color:var(--accent-text);}

/* ---------- Article typography ---------- */
.byline{line-height:1.6;}
.byline a{color:var(--accent-text);}
.byline-sep{opacity:.5;padding:0 2px;}
code{overflow-wrap:anywhere;}
.checklist li,.signal-card p{overflow-wrap:break-word;}
@media (max-width:560px){
  table{font-size:12.5px;}
  th,td{padding:8px 10px;}
  .byline{font-size:12.5px;}
}

/* ---------- Breakpoints ---------- */
@media (max-width:860px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-menu{display:block;}
  .mobile-menu[hidden]{display:none;}
  .mobile-cta{display:block;}
  body.has-mobile-cta{padding-bottom:78px;}
  .btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;}
  .footer-links a,.social-icons a{min-height:44px;display:inline-flex;align-items:center;}
  .social-icons a{min-width:44px;justify-content:center;}
  .hero-ctas{flex-direction:column;align-items:stretch;gap:12px;}
  .hero-ctas .btn{width:100%;}
}
@media (max-width:700px){
  .footer-row{flex-direction:column;align-items:flex-start;gap:18px;}
  .footer-links{flex-direction:column;gap:2px;}
}
@media (max-width:560px){
  .nav-cta{display:none;}
  h1{letter-spacing:-0.8px;}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .card:hover,.post-card:hover,.proof-card:hover{transform:none;}
}