/* ==========================================================================
   easyAIQ — shared design system
   ========================================================================== */

:root{
  --teal-900:#16594A;
  --teal-700:#1C6E5C;
  --teal-600:#12908E;
  --teal-300:#97CECC;
  --teal-mist:#EDF5F5;
  --teal-mist-2:#F4FAFA;
  --amber:#D9A441;
  --amber-mist:#FBF0DC;
  --charcoal:#22302D;
  --muted:#5C6B67;
  --line:#DCE7E5;
  --paper:#FFFFFF;

  --radius-lg:14px;
  --radius-md:10px;
  --radius-sm:6px;

  --font-display:'Manrope', system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:'Inter', system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --shadow-sm:0 1px 2px rgba(22,89,74,.07);
  --shadow-md:0 10px 30px rgba(22,89,74,.10);
  --max:1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--charcoal);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--teal-900);
  margin:0 0 .5em;
  line-height:1.2;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
a{color:var(--teal-600); text-decoration:none;}
a:hover{text-decoration:underline;}
img,svg{display:block;}
.container{max-width:var(--max); margin:0 auto; padding:0 24px;}

:focus-visible{
  outline:2.5px solid var(--teal-600);
  outline-offset:2px;
  border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

/* ---------- utility icon ---------- */
.icon{width:22px; height:22px; stroke:currentColor; stroke-width:1.75; fill:none; stroke-linecap:round; stroke-linejoin:round; flex-shrink:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:14.5px;
  padding:12px 26px; border-radius:var(--radius-md);
  cursor:pointer; border:1.5px solid transparent;
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--teal-600); color:#fff;}
.btn-primary:hover{background:var(--teal-700); box-shadow:var(--shadow-md);}
.btn-secondary{background:transparent; border-color:var(--teal-300); color:var(--teal-900);}
.btn-secondary:hover{background:var(--teal-mist);}
a.btn{text-decoration:none;}

/* ---------- header ---------- */
.site-header{
  padding:18px 0; border-bottom:1px solid var(--line);
  position:sticky; top:0; background:rgba(255,255,255,.92); backdrop-filter:blur(6px);
  z-index:50;
}
.header-inner{display:flex; align-items:center; justify-content:space-between;}
.brand{display:flex; align-items:center; text-decoration:none;}
.brand-wordmark{height:52px; display:block;}
.brand-mark{font-family:var(--font-display); font-weight:800; font-size:21px; color:var(--teal-900); letter-spacing:-0.02em;}
.main-nav{display:flex; align-items:center; gap:28px;}
.main-nav a{font-size:14px; color:var(--charcoal); font-weight:500;}
.main-nav a.btn{color:#fff;}
.main-nav a:hover{color:var(--teal-600); text-decoration:none;}
.main-nav a.active{color:var(--teal-600);}
.nav-links{display:flex; gap:24px; align-items:center;}
.nav-cta{display:flex; align-items:center; gap:14px;}

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:4px;
  width:36px; height:36px; padding:0; border-radius:var(--radius-sm);
  background:transparent; border:1.5px solid var(--teal-300); cursor:pointer;
}
.nav-toggle-bar{width:16px; height:1.75px; background:var(--teal-900); border-radius:2px; margin:0 auto; transition:transform .15s ease, opacity .15s ease;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(5.75px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-5.75px) rotate(-45deg);}

@media (max-width: 820px){
  .nav-toggle{display:flex;}
  .main-nav{position:static;}
  .nav-links{
    display:flex; flex-direction:column; align-items:flex-start; gap:2px;
    position:absolute; top:100%; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    padding:8px 24px 16px;
    max-height:0; overflow:hidden; visibility:hidden;
    transition:max-height .2s ease;
  }
  .nav-links a{padding:10px 0; width:100%;}
  .nav-links.open{max-height:280px; visibility:visible;}
}

/* ---------- hero ---------- */
.hero{padding:64px 0 56px; background:var(--teal-mist);}
.hero-grid{display:grid; grid-template-columns:1.05fr 1fr; gap:56px; align-items:center;}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr; gap:36px;}
}
.eyebrow{
  display:inline-flex; align-items:center; gap:6px;
  background:var(--teal-300); color:var(--teal-900);
  font-size:12px; font-weight:700; letter-spacing:.04em;
  padding:5px 14px; border-radius:20px; margin-bottom:18px;
}
.hero h1{font-size:clamp(28px, 3.4vw, 40px); max-width:560px;}
.hero .lede{font-size:16.5px; color:var(--muted); max-width:480px; margin-bottom:28px;}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}
.cta-hint{font-size:13px; color:var(--muted); margin-top:12px;}

/* ---------- demo widget (signature element) ---------- */
.demo{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md); overflow:hidden;
}
.demo-head{
  display:flex; align-items:center; gap:8px; padding:14px 18px;
  border-bottom:1px solid var(--line); background:var(--teal-mist-2);
}
.demo-dot{width:8px; height:8px; border-radius:50%; background:var(--teal-300);}
.demo-title{font-size:12px; font-weight:600; color:var(--muted); text-transform:uppercase; letter-spacing:.05em;}
.demo-docs{
  display:flex; gap:8px; padding:12px 18px; border-bottom:1px solid var(--line);
  flex-wrap:wrap; background:var(--paper);
}
.doc-chip{
  display:inline-flex; align-items:center; gap:6px;
  font-size:11.5px; color:var(--teal-900); background:var(--teal-mist);
  border:1px solid var(--line); border-radius:20px; padding:4px 10px;
}
.doc-chip .icon{width:13px; height:13px; color:var(--teal-600);}
.demo-body{padding:18px; display:flex; flex-direction:column; gap:12px;}
.bubble{max-width:82%; padding:10px 14px; border-radius:10px; font-size:13.5px; line-height:1.5; opacity:0; transform:translateY(6px); animation:rise .5s ease forwards; animation-play-state:paused;}
.demo.is-visible .bubble{animation-play-state:running;}
.bubble.q{align-self:flex-end; background:var(--teal-mist); color:var(--teal-900);}
.bubble.a{align-self:flex-start; background:var(--amber-mist); border:1px solid var(--amber); color:var(--charcoal);}
.cite{
  display:inline-flex; align-items:center; gap:4px; margin-top:6px;
  font-family:var(--font-mono); font-size:10.5px; color:var(--teal-700);
  background:var(--teal-mist); border:1px solid var(--line); border-radius:4px; padding:2px 6px;
}
@keyframes rise{to{opacity:1; transform:translateY(0);}}
/* .bubble elements are the only children of .demo-body, so nth-child indexes them directly */
.bubble:nth-child(1){animation-delay:.15s;}
.bubble:nth-child(2){animation-delay:.55s;}
.bubble:nth-child(3){animation-delay:.95s;}
.bubble:nth-child(4){animation-delay:1.35s;}

/* ---------- pillars ---------- */
.pillars{padding:56px 0; border-bottom:1px solid var(--line);}
.pillars-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:0;}
@media (max-width: 780px){ .pillars-grid{grid-template-columns:1fr; gap:28px;} }
.pillar{padding:0 28px;}
.pillars-grid .pillar + .pillar{border-left:1px solid var(--line);}
@media (max-width: 780px){ .pillars-grid .pillar + .pillar{border-left:none; padding-top:28px; border-top:1px solid var(--line);} }
.pillar .icon{color:var(--teal-600); width:26px; height:26px; margin-bottom:14px;}
.pillar h3{font-size:16px; margin-bottom:6px;}
.pillar p{font-size:14px; color:var(--muted); margin:0;}

/* ---------- steps ---------- */
.steps{padding:64px 0; background:var(--teal-mist-2); scroll-margin-top:76px;}
.section-head{max-width:560px; margin-bottom:42px;}
.section-head h2{font-size:clamp(22px,2.4vw,28px);}
.section-head p{color:var(--muted); font-size:15px;}
.steps-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:32px; position:relative;}
@media (max-width: 780px){ .steps-grid{grid-template-columns:1fr; gap:24px;} }
.step{position:relative; padding-top:8px;}
.step-num{
  font-family:var(--font-mono); font-size:13px; color:var(--teal-600);
  border:1.5px solid var(--teal-300); border-radius:50%;
  width:32px; height:32px; display:flex; align-items:center; justify-content:center;
  margin-bottom:16px; background:var(--paper);
}
.step h3{font-size:16px; margin-bottom:6px;}
.step p{font-size:14px; color:var(--muted); margin:0;}

/* ---------- use case hub cards (homepage) ---------- */
.hub{padding:64px 0;}
.hub-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
@media (max-width: 900px){ .hub-grid{grid-template-columns:1fr;} }
.hub-card{
  border:1px solid var(--line); border-radius:var(--radius-lg); padding:26px;
  display:flex; flex-direction:column; gap:10px; transition:box-shadow .15s ease, transform .15s ease;
  text-decoration:none; color:inherit;
}
.hub-card:hover{box-shadow:var(--shadow-md); transform:translateY(-2px); text-decoration:none;}
.hub-card .tag{font-size:11px; font-weight:700; letter-spacing:.04em; color:var(--teal-600); text-transform:uppercase;}
.hub-card h3{font-size:17px; margin:2px 0 4px;}
.hub-card p{font-size:13.5px; color:var(--muted); margin:0;}
.hub-card .go{font-size:13px; font-weight:600; color:var(--teal-600); margin-top:auto; display:flex; align-items:center; gap:4px;}

/* ---------- example list (use-case pages) ---------- */
.examples{padding:64px 0; background:var(--teal-mist-2);}
.examples-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
@media (max-width: 780px){ .examples-grid{grid-template-columns:1fr;} }
.example-card{background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-lg); padding:22px;}
.example-card .icon{color:var(--teal-600); margin-bottom:12px;}
.example-card p{font-size:14px; color:var(--charcoal); margin:0;}

/* ---------- final CTA ---------- */
.final-cta{padding:64px 0; text-align:center;}
.final-cta h2{font-size:clamp(22px,2.6vw,30px); max-width:600px; margin:0 auto 10px;}
.final-cta p{color:var(--muted); max-width:480px; margin:0 auto 26px;}
.final-cta .ctas{display:flex; justify-content:center; gap:14px; flex-wrap:wrap;}
.final-cta .cta-hint{text-align:center; margin-top:20px; font-weight:600;}
.disclaimer{max-width:600px; margin:24px auto 0; font-size:12.5px; color:#8FA09C; text-align:center;}

/* ---------- pricing ---------- */
.pricing-hero .container{max-width:640px; text-align:center;}
.pricing-hero .lede{margin:0 auto;}

.pricing{padding:56px 0 72px;}
.pricing .container{display:flex; flex-direction:column; align-items:center;}

.billing-toggle{
  display:inline-flex; gap:2px; margin-bottom:40px;
  padding:4px; background:var(--teal-mist); border:1px solid var(--line); border-radius:999px;
}
.toggle-btn{
  font-family:var(--font-body); font-weight:600; font-size:13.5px;
  padding:8px 18px; border-radius:999px; border:none; background:transparent;
  color:var(--muted); cursor:pointer; transition:background .12s ease, color .12s ease;
}
.toggle-btn.active{background:var(--paper); color:var(--teal-900); box-shadow:var(--shadow-sm);}

/* auto-fit, not repeat(3,1fr) — tier count comes from the API and is not fixed */
.pricing-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:24px; width:100%;}
@media (max-width:560px){ .pricing-grid{grid-template-columns:1fr;} }

.pricing-status{grid-column:1/-1; text-align:center; color:var(--muted); font-size:14.5px; padding:32px 0;}
.pricing-status.is-error{color:var(--charcoal);}

.pricing-card{
  position:relative;
  border:1px solid var(--line); border-radius:var(--radius-lg); padding:28px;
  display:flex; flex-direction:column; gap:14px; background:var(--paper);
  transition:box-shadow .15s ease, transform .15s ease;
}
.pricing-card:hover{box-shadow:var(--shadow-md); transform:translateY(-2px);}
.pricing-card.is-recommended{border-color:var(--teal-600); box-shadow:var(--shadow-md);}
.pricing-card .badge{
  position:absolute; top:0; left:50%; transform:translate(-50%, -50%);
  font-size:11px; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  color:#fff; background:var(--teal-600); border-radius:20px; padding:5px 12px;
  box-shadow:var(--shadow-sm); white-space:nowrap;
}
.pricing-card h3{font-size:19px; margin:0;}
.pricing-card .tier-desc{font-size:13.5px; color:var(--muted); margin:0;}
.pricing-card .tier-price{display:flex; align-items:baseline; gap:6px;}
.pricing-card .amount{font-family:var(--font-display); font-size:32px; color:var(--teal-900); font-weight:800;}
.pricing-card .period{font-size:13px; color:var(--muted);}
.pricing-card .tier-features{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px;}
.pricing-card .tier-features li{font-size:13.5px; color:var(--charcoal); padding-left:22px; position:relative;}
.pricing-card .tier-features li::before{
  content:""; position:absolute; left:0; top:5px; width:14px; height:14px;
  border-radius:50%; background:var(--teal-mist); border:1px solid var(--teal-300);
}
.pricing-card .btn{margin-top:auto;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line); padding:40px 0; background:var(--teal-mist-2);}
.footer-grid{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:24px;}
.footer-brand .brand-wordmark{height:19px;}
.footer-tag{font-size:13px; color:var(--muted); margin-top:6px; max-width:280px;}
.footer-links{display:flex; gap:32px; flex-wrap:wrap;}
.footer-col h4{font-size:12px; text-transform:uppercase; letter-spacing:.05em; color:var(--muted); margin-bottom:10px; font-family:var(--font-body); font-weight:700;}
.footer-col a{display:block; font-size:13.5px; color:var(--charcoal); margin-bottom:8px;}
.footer-bottom{margin-top:32px; padding-top:20px; border-top:1px solid var(--line); font-size:12.5px; color:#8FA09C;}