/* Longevity Labs Tracker — no external assets. */
:root{
  --bg:#f7faf9;--surface:#fff;--ink:#102027;--fg:#24343a;--muted:#5d6f75;--line:#dfe8e5;--line2:#eef3f1;
  --accent:#0d7a68;--accent-d:#095448;--accent-l:#e4f2ee;--best:#f0f8f5;--warn-bg:#fff4d6;--warn:#7a5600;
  --down:#0d7a68;--up:#b4432d;--radius:14px;--shadow:0 1px 2px rgba(16,32,39,.05),0 4px 16px rgba(16,32,39,.05);
  --font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.6 var(--font);color:var(--fg);background:var(--bg);font-feature-settings:"tnum" 1,"cv11" 1}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
a{color:var(--accent);text-underline-offset:2px}
a:hover{color:var(--accent-d)}
:focus-visible{outline:3px solid #7cc4b6;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{color:var(--ink);letter-spacing:-.02em;line-height:1.2}
h1{font-size:clamp(1.85rem,4.2vw,2.75rem);font-weight:800;margin:.2em 0 .35em}
h2{font-size:clamp(1.25rem,2.4vw,1.55rem);font-weight:750;margin:2.2em 0 .6em}
h3{font-size:1.08rem;font-weight:700;margin:1.6em 0 .5em}
p{margin:.6em 0}
.lead{font-size:1.1rem;color:#33464c;max-width:62ch}
.muted{color:var(--muted)}.small{font-size:.85rem}
/* header */
.top{background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{display:block;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:1.06rem;font-weight:800;letter-spacing:-.02em}
.brand-text small{font-size:.66rem;font-weight:650;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
nav a{color:var(--fg);text-decoration:none;font-weight:550;font-size:.95rem;padding:8px 10px;border-radius:8px}
nav a:hover{background:var(--line2);color:var(--ink)}
nav a[aria-current=page]{color:var(--accent-d);background:var(--accent-l)}
.disclosure-bar{font-size:.78rem;color:var(--muted);background:var(--line2);border-bottom:1px solid var(--line)}
.disclosure-bar .wrap{padding-top:6px;padding-bottom:6px}
/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:32px;align-items:center;padding:40px 0 8px}
.hero-sm{padding-top:8px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:650;color:var(--accent-d);background:var(--accent-l);border-radius:999px;padding:4px 12px;margin:0 0 6px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.hook{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;position:relative;overflow:hidden}
.hook::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--accent)}
.hook-label{margin:0;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.hook-price{margin:2px 0 0;font-size:clamp(2.6rem,6vw,3.6rem);font-weight:800;color:var(--accent);letter-spacing:-.03em;line-height:1.1}
.hook-where{margin:2px 0 6px;font-size:1.02rem}
.hook .btn{margin-top:8px}
/* buttons */
.btn{display:inline-block;padding:6px 14px;border-radius:9px;background:var(--accent);color:#fff;text-decoration:none;font-weight:650;font-size:.86rem;white-space:nowrap;border:1px solid var(--accent)}
.btn:hover{background:var(--accent-d);color:#fff}
.btn-lg{padding:11px 20px;font-size:1rem}
.btn-ghost{background:transparent;color:var(--accent-d);border-color:#b9d9d1}
.btn-ghost:hover{background:var(--accent-l);color:var(--accent-d)}
/* marker cards */
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.card-m a{display:flex;flex-direction:column;gap:2px;height:100%;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--fg);transition:border-color .15s,box-shadow .15s}
.card-m a:hover{border-color:#a9d3c9;box-shadow:var(--shadow)}
.m-name{font-weight:700;color:var(--ink)}
.m-price{font-size:1.7rem;font-weight:800;color:var(--accent);letter-spacing:-.02em}
.m-where{font-size:.85rem;color:var(--muted)}
.m-count{margin-top:auto;padding-top:6px;font-size:.82rem;font-weight:650;color:var(--accent-d)}
/* tables */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 1px 2px rgba(16,32,39,.04)}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line2);vertical-align:top}
th{background:#f3f7f6;color:#3b4e54;font-weight:650;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
th.sort{cursor:pointer;user-select:none}
th.sort::after{content:" \2195";color:#a5b5b9;font-size:.85em}
th[aria-sort=ascending]::after{content:" \25B2";color:var(--accent)}
th[aria-sort=descending]::after{content:" \25BC";color:var(--accent)}
tbody tr:hover td{background:#fafcfb}
tr.best td{background:var(--best)}
tbody tr:last-child td{border-bottom:0}
.c-total strong{font-size:1.02rem;color:var(--ink)}
.c-go{text-align:right}
.c-test span[title]{cursor:help;text-decoration:underline dotted #b8c7c4;text-underline-offset:3px}
.pill{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--accent);color:#fff;border-radius:999px;padding:1px 7px;vertical-align:2px;margin-left:4px}
.more{margin:8px 2px 0;font-weight:600;font-size:.92rem}
.marker-block h3 a{color:var(--ink);text-decoration:none}.marker-block h3 a:hover{color:var(--accent)}
/* price changes */
.changes{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.chg-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:4px 18px 10px}
.chg-list{list-style:none;padding:0;margin:0}
.chg-list li{padding:8px 0;border-bottom:1px solid var(--line2)}.chg-list li:last-child{border:0}
.chg{display:inline-block;min-width:64px;font-weight:800}
.chg.down{color:var(--down)}.chg.up{color:var(--up)}
/* misc */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 20px 12px;margin:18px 0}
.card table{font-size:.9rem}
.tag{background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:1px 7px;font-size:.75rem;font-weight:650}
.status{font-size:.8rem;font-weight:650;border-radius:6px;padding:2px 8px;background:var(--line2);white-space:nowrap}
.status-ok{background:var(--accent-l);color:var(--accent-d)}
.status-skipped,.status-blocked,.status-disabled{background:var(--warn-bg);color:var(--warn)}
.crumbs{font-size:.85rem;color:var(--muted);margin:22px 0 0}
.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);text-decoration:none;font-weight:550;font-size:.92rem}
.chips a:hover{border-color:#a9d3c9}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 6px}
.toc a{font-size:.88rem;padding:5px 12px;border-radius:999px;background:var(--accent-l);text-decoration:none;font-weight:600;color:var(--accent-d)}
.faq-dl dt{font-weight:700;color:var(--ink);margin-top:14px}
.faq-dl dd{margin:4px 0 0}
.steps li{margin:8px 0}
.sources li{margin:4px 0;word-break:break-word}
sup a{text-decoration:none;font-weight:700;padding:0 1px}
.panel-link{margin-bottom:10px}
/* newsletter + footer */
.newsletter{margin-top:48px;background:linear-gradient(135deg,#0d7a68,#0a5f52);color:#e8f5f1;border-radius:18px;padding:24px 28px;display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:center}
.newsletter h2{color:#fff;margin:0 0 4px}
.newsletter p{margin:4px 0}
.newsletter .muted{color:#bfe1d8}
.nl-form{display:flex;gap:8px;flex-wrap:wrap}
.nl-form input{flex:1 1 200px;padding:11px 13px;border:1px solid transparent;border-radius:10px;font:inherit}
.nl-form button{padding:11px 18px;border:0;border-radius:10px;background:#fff;color:var(--accent-d);font:inherit;font-weight:750}
.nl-form button:disabled,.nl-form input:disabled{opacity:.65}
.foot{margin-top:44px;border-top:1px solid var(--line);background:var(--surface);padding:28px 0 18px}
.foot-grid{display:grid;grid-template-columns:1fr 1.6fr auto;gap:28px}
.foot p{margin:.3em 0 .8em}
.foot-links{display:flex;flex-direction:column;gap:6px}
.foot-links a{text-decoration:none}
.copy{padding-top:14px;border-top:1px solid var(--line2);margin-top:8px}
/* responsive */
@media (max-width:860px){
  .hero{grid-template-columns:1fr;gap:18px;padding-top:24px}
  .newsletter{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-links{flex-direction:row;flex-wrap:wrap;gap:14px}
  .changes{grid-template-columns:1fr}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .nav{flex-direction:column;align-items:flex-start;gap:4px;padding:10px 16px 6px;min-height:0}
  .top{position:static}
  nav{display:flex;flex-wrap:wrap;gap:2px}
  nav a{font-size:.92rem;padding:6px 10px}
  .cards{grid-template-columns:1fr 1fr;gap:10px}
  .card-m a{padding:12px 14px}
  .m-price{font-size:1.4rem}
  /* offer tables become stacked cards */
  table.offers thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  table.offers,table.offers tbody,table.offers tr,table.offers td{display:block;width:100%}
  table.offers tr{display:grid;grid-template-columns:repeat(3,1fr);column-gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
  table.offers tbody tr:last-child{border-bottom:0}
  table.offers td{border:0;padding:3px 0;background:none!important}
  table.offers tr.best{background:var(--best)}
  table.offers td[data-label]::before{content:attr(data-label);display:block;font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
  table.offers td.c-seller,table.offers td.c-test{grid-column:1/-1}
  table.offers td.c-seller{font-weight:700;color:var(--ink)}
  table.offers td.c-seller::before{display:none}
  table.offers td.c-total{grid-column:1/3;padding-top:6px}
  table.offers td.c-total strong{font-size:1.2rem}
  table.offers td.c-go{grid-column:3;align-self:end;text-align:right}
  table.offers td.c-go .btn{padding:8px 16px}
  table.offers td[data-label=Missing]{grid-column:1/-1}
  .home-limited tbody tr:nth-child(n+4){display:none}
  .tablewrap{overflow:visible}
  th,td{padding:8px 9px}table{font-size:.88rem}
}
.also{margin:14px 0 0;padding:10px 16px;border:1px dashed #b9d9d1;border-radius:var(--radius);background:var(--surface)}
.also p{margin:.35em 0}
.nl-embed{min-height:60px}
.newsletter .nl-link{color:#fff}
.nl-fallback{margin:8px 0 0}
.nl-btn{background:#fff;color:var(--accent-d);border-color:#fff}