/* ============================================================
   Active Balears — lab subsite
   Palette:  ink #10303A · sea #0E7C9C · pulse #FF5A4E
             sand #EAE3D2 · shell #FBFAF7 · slate #51666E
   Type:     Fraunces (display) · Instrument Sans (body/UI)
   Signature: the pulse line — an ECG trace that draws itself
   ============================================================ */

:root{
  --ink:#10303A;
  --ink-soft:#1C4350;
  --sea:#0E7C9C;
  --sea-deep:#0A5E77;
  --pulse:#FF5A4E;
  --sand:#EAE3D2;
  --sand-soft:#F3EFE4;
  --shell:#FBFAF7;
  --slate:#51666E;
  --line:#D9D4C6;
  --good:#2E8B6A;
  --radius:14px;
  --maxw:1080px;
  --display:"Fraunces", Georgia, serif;
  --body:"Instrument Sans", "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--shell);
  color:var(--ink);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}

::selection{background:var(--pulse);color:#fff}

a{color:var(--sea-deep)}
a:focus-visible,button:focus-visible{outline:3px solid var(--pulse);outline-offset:2px;border-radius:4px}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:72px 0}
section.tight{padding:48px 0}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.brand{
  font-family:var(--display);font-weight:600;font-size:1.05rem;
  color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px;
  letter-spacing:.01em;
}
.brand svg{display:block}
.nav-links{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  text-decoration:none;color:var(--slate);font-size:.86rem;font-weight:500;
  padding:7px 12px;border-radius:999px;transition:background .2s,color .2s;
}
.nav-links a:hover{background:var(--sand-soft);color:var(--ink)}
.nav-links a.active{background:var(--ink);color:var(--shell)}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-soft) 100%);
  color:var(--shell);
  padding:88px 0 0;
  overflow:hidden;
  position:relative;
}
.hero .wrap{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sand);margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--pulse);display:inline-block}
h1{
  font-family:var(--display);font-weight:560;
  font-size:clamp(2.3rem,5.4vw,3.9rem);
  line-height:1.06;letter-spacing:-.015em;max-width:18ch;
}
h1 em{font-style:italic;color:#9FD4E4}
.hero p.lede{
  margin-top:24px;max-width:56ch;font-size:1.12rem;color:#C9D6DB;
}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;text-decoration:none;font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:999px;transition:transform .18s,box-shadow .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn-pulse{background:var(--pulse);color:#fff;box-shadow:0 8px 24px rgba(255,90,78,.35)}
.btn-ghost{background:transparent;color:var(--shell);border:1.5px solid rgba(251,250,247,.4)}
.btn-ghost:hover{border-color:var(--shell)}
.btn-dark{background:var(--ink);color:var(--shell)}

/* the signature: hero pulse line */
.pulseband{margin-top:64px;position:relative;z-index:1}
.pulseband svg{display:block;width:100%;height:120px}
.pulse-path{
  fill:none;stroke:var(--pulse);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:2400;stroke-dashoffset:2400;
  filter:drop-shadow(0 0 6px rgba(255,90,78,.55));
}
.pulse-path.go{animation:draw 3.2s cubic-bezier(.5,0,.2,1) forwards}
.pulse-base{fill:none;stroke:rgba(251,250,247,.14);stroke-width:1.5}
@keyframes draw{to{stroke-dashoffset:0}}

/* small pulse divider used between sections */
.divider{display:flex;justify-content:center;padding:8px 0}
.divider svg{width:200px;height:36px}
.divider .pulse-path{stroke-width:2.5;stroke-dasharray:600;stroke-dashoffset:600}
.divider .pulse-path.go{animation:draw 1.6s ease-out forwards}

/* ---------- headings ---------- */
h2{
  font-family:var(--display);font-weight:560;font-size:clamp(1.7rem,3.4vw,2.4rem);
  line-height:1.12;letter-spacing:-.01em;max-width:24ch;
}
h3{font-family:var(--display);font-weight:560;font-size:1.25rem;line-height:1.25}
.kicker{
  font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--sea);margin-bottom:14px;
}
.sub{color:var(--slate);max-width:62ch;margin-top:14px}

/* ---------- index cards (landing) ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;margin-top:42px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 24px;text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(16,48,58,.12);border-color:var(--sea)}
.card .tag{
  font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--sea);
}
.card h3{font-size:1.18rem}
.card p{font-size:.92rem;color:var(--slate)}
.card .go-link{margin-top:auto;font-weight:600;font-size:.88rem;color:var(--sea-deep)}
.card::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:var(--pulse);transition:width .3s;
}
.card:hover::after{width:100%}

/* ---------- stat strip ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:40px}
.stat{
  background:var(--sand-soft);border-radius:var(--radius);padding:24px 22px;
  border:1px solid var(--line);
}
.stat .num{
  font-family:var(--display);font-weight:600;font-size:2.5rem;line-height:1;
  color:var(--ink);font-variant-numeric:tabular-nums;
}
.stat .num span.unit{font-size:1.3rem;color:var(--sea)}
.stat .lbl{font-size:.84rem;color:var(--slate);margin-top:8px}

/* ---------- generic two-col ---------- */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:840px){.cols{grid-template-columns:1fr}}

/* ---------- chart frames ---------- */
.chart-frame{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;margin-top:34px;
}
.chart-frame h3{margin-bottom:4px}
.chart-frame .src{font-size:.76rem;color:var(--slate);margin-top:12px}
.chart-frame svg{width:100%;height:auto;display:block;margin-top:18px}

/* animated bars */
.bar{transition:none;transform:scaleY(0);transform-origin:bottom;transform-box:fill-box}
.reveal-active .bar{transition:transform 1s cubic-bezier(.2,.7,.2,1);transform:scaleY(1)}
.bar-h{transform:scaleX(0);transform-origin:left;transform-box:fill-box}
.reveal-active .bar-h{transition:transform 1s cubic-bezier(.2,.7,.2,1);transform:scaleX(1)}
.chart-label{font-family:var(--body);font-size:12px;fill:var(--slate)}
.chart-value{font-family:var(--body);font-size:13px;font-weight:700;fill:var(--ink)}
.chart-axis{stroke:var(--line);stroke-width:1}

/* animated line chart */
.trend{fill:none;stroke-width:3;stroke-linecap:round;stroke-dasharray:1200;stroke-dashoffset:1200}
.reveal-active .trend{animation:draw 2.2s ease-out forwards}
.trend.sea{stroke:var(--sea)}
.trend.coral{stroke:var(--pulse)}
.dotpt{opacity:0;transition:opacity .4s 1.8s}
.reveal-active .dotpt{opacity:1}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.reveal-active{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- timeline ---------- */
.timeline{margin-top:44px;position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--sea),var(--pulse));border-radius:2px;
}
.tl-item{position:relative;padding:0 0 34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:5px;width:13px;height:13px;border-radius:50%;
  background:var(--shell);border:3px solid var(--sea);
}
.tl-item.coral::before{border-color:var(--pulse)}
.tl-item .when{font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--sea)}
.tl-item h3{margin:4px 0 6px}
.tl-item p{font-size:.94rem;color:var(--slate);max-width:60ch}

/* ---------- tables / data model ---------- */
.dtable{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.dtable header{
  background:var(--ink);color:var(--shell);padding:13px 18px;
  display:flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem;
}
.dtable header .pill{
  margin-left:auto;font-size:.68rem;font-weight:700;letter-spacing:.08em;
  background:var(--sea);padding:3px 10px;border-radius:999px;text-transform:uppercase;
}
.dtable ul{list-style:none;padding:14px 18px;display:flex;flex-direction:column;gap:8px}
.dtable li{font-size:.88rem;color:var(--ink-soft);display:flex;gap:8px;align-items:baseline}
.dtable li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sand);flex:none;transform:translateY(-2px)}
.dtable li b{font-weight:600}
.dgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:38px}

/* ---------- checklist / lists ---------- */
.checklist{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:.97rem}
.checklist li .tick{
  flex:none;width:22px;height:22px;border-radius:50%;background:var(--sea);
  display:grid;place-items:center;color:#fff;font-size:.7rem;font-weight:800;margin-top:2px;
}
.checklist li.coral .tick{background:var(--pulse)}

/* ---------- callout ---------- */
.callout{
  background:var(--ink);color:var(--shell);border-radius:var(--radius);
  padding:36px 32px;margin-top:44px;position:relative;overflow:hidden;
}
.callout h3{color:var(--shell);font-size:1.4rem;max-width:30ch}
.callout p{color:#BFD2D9;margin-top:10px;max-width:60ch}
.callout .quote-mark{
  position:absolute;right:24px;top:6px;font-family:var(--display);
  font-size:7rem;color:rgba(255,90,78,.25);line-height:1;
}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);padding:40px 0 56px;margin-top:48px;
  color:var(--slate);font-size:.86rem;
}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.foot-nav{display:flex;gap:16px;flex-wrap:wrap}
.foot-nav a{color:var(--slate);text-decoration:none}
.foot-nav a:hover{color:var(--ink)}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:var(--ink);color:var(--shell);padding:64px 0 56px}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.1rem)}
.page-hero p.lede{margin-top:18px;color:#C9D6DB;max-width:58ch;font-size:1.05rem}
.crumb{font-size:.8rem;margin-bottom:18px}
.crumb a{color:#9FD4E4;text-decoration:none}
.crumb span{color:#7A949E}

/* next/prev */
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:56px;flex-wrap:wrap}
.pager a{
  text-decoration:none;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;flex:1;min-width:220px;background:#fff;color:var(--ink);
  transition:border-color .2s,transform .2s;
}
.pager a:hover{border-color:var(--sea);transform:translateY(-3px)}
.pager .dir{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sea)}
.pager .ttl{font-weight:600;margin-top:4px}

/* counters */
.count{font-variant-numeric:tabular-nums}

@media(max-width:640px){
  section{padding:52px 0}
  .hero{padding-top:64px}
  .callout{padding:28px 22px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .bar,.bar-h{transform:none}
  .pulse-path,.trend{stroke-dashoffset:0}
  .dotpt{opacity:1}
  html{scroll-behavior:auto}
}

/* ---------- language switcher ---------- */
.lang{display:flex;gap:2px;margin-left:10px;border:1px solid var(--line);border-radius:999px;padding:2px}
.lang a{text-decoration:none;font-size:.72rem;font-weight:700;letter-spacing:.04em;color:var(--slate);padding:4px 9px;border-radius:999px}
.lang a:hover{color:var(--ink)}
.lang a.on{background:var(--pulse);color:#fff}