/* ==========================================================================
   Trauma Timer — site.css
   ========================================================================== */

:root{
  --ink:#1a2230;
  --ink-soft:#4a5568;
  --accent:#b4232b;
  --accent-dark:#951c23;
  --rule:#e2e6ec;
  --bg:#fff;
  --bg-alt:#f5f7fa;
  --max:1080px;
  --read:720px;
}

/* --- base --------------------------------------------------------------- */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:2.6rem;letter-spacing:-.02em}
h2{font-size:1.9rem;letter-spacing:-.01em;padding-top:1.5rem}
h3{font-size:1.1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft)}
p{margin:0 0 1.1em}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.read{max-width:var(--read);margin:0 auto;padding:0 24px}

section{padding:64px 0;scroll-margin-top:80px}
.band{
  background:var(--bg-alt);
  border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);
}

/* --- header ------------------------------------------------------------- */

header{
  position:sticky;top:0;z-index:10;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--rule);
  backdrop-filter:saturate(180%) blur(8px);
}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand img{height:34px;width:auto;display:block}
nav a{
  color:var(--ink-soft);text-decoration:none;margin-left:28px;
  font-size:.95rem;text-transform:lowercase;
}
nav a:hover{color:var(--accent)}

/* --- home: hero --------------------------------------------------------- */

.hero{padding:72px 0 48px;text-align:center}
.hero p.lede{font-size:1.25rem;color:var(--ink-soft);max-width:680px;margin:0 auto 2.4em}
.hero img{width:90%;height:auto;border-radius:6px;border:1px solid var(--rule)}

/* --- home: three-column block ------------------------------------------- */

.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-bottom:1.5rem}
.cols p{font-size:.97rem;color:var(--ink-soft);margin:0}

/* --- stat card (both pages) --------------------------------------------- */

.statcard{
  background:#fff;
  border:1px solid var(--rule);
  border-radius:6px;
  padding:28px 24px 22px;
  margin:0;
}
#about .statcard{margin-bottom:24px}
.stat{display:grid;grid-template-columns:repeat(3,1fr);text-align:center}
.stat>div{padding:0 18px;border-left:1px solid var(--rule)}
.stat>div:first-child{border-left:0}
.stat .n{font-size:2.3rem;font-weight:700;color:var(--accent);line-height:1.1;display:block}
.stat .l{font-size:.88rem;color:var(--ink-soft)}
.statcard .src{
  text-align:center;font-size:.8rem;color:var(--ink-soft);
  margin:20px 0 0;padding-top:16px;border-top:1px solid var(--rule);
}

/* --- home: research list ------------------------------------------------ */

.study{border-left:3px solid var(--accent);padding-left:22px;margin-bottom:34px}
.study h3{text-transform:none;letter-spacing:0;font-size:1.05rem;color:var(--ink)}
.study h3 a{text-decoration:none}
.study h3 a:hover{text-decoration:underline}
.study p{font-size:.95rem;color:var(--ink-soft);margin:0}

.tag{
  display:inline-block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;
  color:#fff;background:var(--ink-soft);padding:2px 8px;border-radius:3px;margin-bottom:8px;
}
.tag.ours{background:var(--accent)}

/* --- home: privacy list ------------------------------------------------- */

ul.plain{list-style:none;padding:0;margin:0}
ul.plain li{
  padding:10px 0 10px 28px;position:relative;
  color:var(--ink-soft);font-size:.97rem;
}
ul.plain li:before{content:"—";position:absolute;left:0;color:var(--accent)}

/* --- call to action ----------------------------------------------------- */

.cta{text-align:center}
.cta .btn{
  display:inline-block;background:var(--accent);color:#fff;text-decoration:none;
  padding:14px 30px;border-radius:4px;font-weight:600;font-size:1.02rem;
}
.cta .btn:hover{background:var(--accent-dark)}

/* --- footer ------------------------------------------------------------- */

footer{padding:36px 0;border-top:1px solid var(--rule);font-size:.88rem;color:var(--ink-soft)}
footer p{margin:0 0 .3em}

/* --- article pages ------------------------------------------------------ */

.article h1{font-size:2.15rem}
.article h2{font-size:1.45rem;margin-top:2.2em;padding-top:0}
.article h3{font-size:1.05rem;text-transform:none;letter-spacing:0;color:var(--ink)}
.article section{padding:0}

.article-head{padding:56px 0 8px;text-align:center}
.article-head .tag{background:var(--accent);padding:3px 9px;margin-bottom:14px}
.byline{font-size:1.02rem;color:var(--ink);margin:0 0 .2em}
.dateline{font-size:.9rem;color:var(--ink-soft);margin:0}

.article .statcard{margin:40px auto;max-width:var(--read);padding:26px 24px 20px}
.article .stat>div{padding:0 14px}
.article .stat .n{font-size:2.1rem}
.article .stat .l{font-size:.86rem}

.note{
  background:var(--bg-alt);border:1px solid var(--rule);border-radius:6px;
  padding:18px 22px;margin:34px auto;max-width:var(--read);
  font-size:.92rem;color:var(--ink-soft);
}
.note p{margin:0 0 .6em}
.note p:last-child{margin:0}
.note strong{color:var(--ink)}

.pull{
  border-left:3px solid var(--accent);padding:4px 0 4px 22px;
  margin:30px 0;font-size:1.1rem;color:var(--ink);
}

ul.body{padding-left:22px;margin:0 0 1.1em}
ul.body li{margin-bottom:.4em}

.refs{font-size:.88rem;color:var(--ink-soft)}
.refs li{margin-bottom:1em;line-height:1.5}
.refs a{word-break:break-word}

.article .band{margin-top:60px}
.article .cta{padding:60px 0}
.article .cta h2{margin-top:0}

/* --- responsive --------------------------------------------------------- */

@media(max-width:950px){
  .cols{gap:26px}
  .cols p{font-size:.93rem}
  .stat>div{padding:0 10px}
}

@media(max-width:760px){
  h1{font-size:2rem}
  h2{font-size:1.5rem}
  .article h1{font-size:1.7rem}
  .article h2{font-size:1.3rem}

  header .wrap{
    flex-direction:column;height:auto;
    padding-top:10px;padding-bottom:8px;gap:8px;
  }
  .brand img{height:30px}
  nav{display:flex;justify-content:center;gap:22px;width:100%}
  nav a{margin-left:0;font-size:.9rem}

  .cols{grid-template-columns:1fr;gap:28px}
  .stat{grid-template-columns:1fr;gap:26px}
  .stat>div{border-left:0;padding:0}
  .statcard{padding:24px 18px 18px;margin-bottom:0}

  .hero{padding:48px 0 32px}
  .hero img{width:100%}
  .hero p.lede{font-size:1.12rem}
  section{padding:44px 0}
  .article-head{padding:40px 0 4px}
}

@media(max-width:420px){
  h2{text-wrap:balance}
}

@media(max-width:380px){
  nav{gap:15px}
  nav a{font-size:.84rem}
  .wrap,.read{padding:0 18px}
}