/* Herramientas de Longevidad · Dr. Jan Lío — estilos compartidos */
:root{
  --ink:#0F1B23; --ink-2:#22313B; --muted:#5E6B72; --line:#E3DED3; --line-2:#EFEBE3;
  --bg:#FAF8F4; --card:#FFFFFF; --bone:#F4F0E7;
  --teal:#1E9E82; --teal-deep:#0C5A49; --teal-soft:#E4F4EF;
  --gold:#B08A45; --gold-soft:#F6EEDD;
  --green:#2E9E6A; --green-soft:#E3F3EA;
  --amber:#C98A1E; --amber-soft:#FBF0DA;
  --red:#C2553A; --red-soft:#F8E4DD;
  --blue:#3B6E9E; --blue-soft:#E3ECF5;
  --radius:18px;
  --shadow:0 1px 2px rgba(15,27,35,.04),0 8px 28px rgba(15,27,35,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--teal-deep)}
img{max-width:100%;display:block}
.serif{font-family:'Cormorant Garamond',Georgia,serif}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
p{color:var(--ink-2)}
.muted{color:var(--muted);font-size:13.5px}

/* NAV */
.top{position:sticky;top:0;z-index:40;background:rgba(250,248,244,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top-in{max-width:1080px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand .mk{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--bone);display:grid;place-items:center;font-family:'Cormorant Garamond',serif;font-size:19px;font-weight:600}
.brand .nm{font-size:11px;letter-spacing:.26em;text-transform:uppercase;font-weight:600;line-height:1.3}
.brand .nm small{display:block;letter-spacing:.14em;color:var(--muted);font-weight:500}
.nav{display:flex;gap:4px;align-items:center}
.nav a{font-size:13px;text-decoration:none;color:var(--ink-2);padding:8px 11px;border-radius:10px}
.nav a:hover,.nav a[aria-current]{background:var(--line-2);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 14px 'Inter',sans-serif;padding:13px 22px;border-radius:12px;border:0;cursor:pointer;text-decoration:none;transition:.18s}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-deep)}
.btn-dark{background:var(--ink);color:var(--bone)}
.btn-dark:hover{background:#000}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--line-2)}
.btn-sm{padding:9px 14px;font-size:12.5px;border-radius:10px}
.nav a.btn-dark,.nav a.btn-dark:hover{color:var(--bone);background:var(--ink);white-space:nowrap}
@media(max-width:820px){.nav a:not(.btn){display:none}}
@media(max-width:420px){.brand .nm{font-size:10px;letter-spacing:.18em}.nav a.btn-dark{padding:9px 12px}}

/* HERO */
.hero{padding:56px 0 28px}
.crumbs{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.eyebrow{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:12px}
h1{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:52px;line-height:1.05;letter-spacing:-.01em;margin-bottom:16px;max-width:20ch}
h1 em{font-style:italic;color:var(--teal-deep)}
.lead{font-size:18px;max-width:660px;color:var(--ink-2)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.badge{font-size:12px;padding:6px 11px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--ink-2)}
@media(max-width:700px){h1{font-size:36px}.hero{padding:34px 0 18px}.lead{font-size:16px}}

h2{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:34px;line-height:1.12;margin-bottom:12px}
h3{font-size:17px;font-weight:600;margin-bottom:6px}
section{padding:36px 0}

/* TOOL CARD */
.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.tool-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.tool-head h2{font-size:26px;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px 16px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field label .opt{font-weight:400;color:var(--muted)}
.inp{display:flex;border:1px solid var(--line);border-radius:11px;background:#fff;overflow:hidden;transition:.15s}
.inp:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}
.inp input,.inp select{border:0;outline:0;font:500 15px 'Inter',sans-serif;padding:11px 12px;width:100%;min-width:0;background:transparent;color:var(--ink)}
.inp select.unit{width:auto;flex:none;background:var(--bg);border-left:1px solid var(--line);font-size:12.5px;padding:0 8px;color:var(--ink-2);cursor:pointer}
.inp .u{flex:none;display:grid;place-items:center;padding:0 12px;font-size:12.5px;color:var(--muted);background:var(--bg);border-left:1px solid var(--line)}
.field .hint{font-size:11.5px;color:var(--muted);margin-top:4px}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:3px;gap:3px;flex-wrap:wrap}
.seg button{border:0;background:transparent;font:500 13.5px 'Inter',sans-serif;padding:8px 14px;border-radius:8px;cursor:pointer;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bone)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;align-items:center}
.subhead{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600;margin:22px 0 10px;padding-top:18px;border-top:1px dashed var(--line)}
.err{color:var(--red);font-size:13px;margin-top:10px}

/* RESULTS */
.results{margin-top:26px;display:none}
.results.on{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.kpi .k{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.kpi .v{font-family:'Cormorant Garamond',serif;font-size:42px;font-weight:600;line-height:1.05;margin-top:4px}
.kpi .v small{font-family:'Inter',sans-serif;font-size:14px;color:var(--muted);font-weight:500;margin-left:3px}
.kpi .s{font-size:13px;color:var(--ink-2);margin-top:4px}
.kpi.hl{background:var(--ink);border-color:var(--ink)}
.kpi.hl .k,.kpi.hl .s{color:#B9C3C7}
.kpi.hl .v{color:var(--bone)}
.kpi.hl .v small{color:#B9C3C7}

.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.pill::before{content:'';width:7px;height:7px;border-radius:50%;background:currentColor}
.p-ok{background:var(--green-soft);color:var(--green)}
.p-warn{background:var(--amber-soft);color:var(--amber)}
.p-bad{background:var(--red-soft);color:var(--red)}
.p-info{background:var(--blue-soft);color:var(--blue)}
.p-na{background:var(--line-2);color:var(--muted)}

/* marker rows with range bars */
.markers{display:flex;flex-direction:column;gap:2px}
.mrow{display:grid;grid-template-columns:minmax(150px,1.1fr) 110px 2fr auto;gap:16px;align-items:center;padding:13px 4px;border-bottom:1px solid var(--line-2)}
.mrow .nm{font-weight:600;font-size:14.5px}
.mrow .nm small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.mrow .val{font-weight:600;font-size:15px;font-variant-numeric:tabular-nums}
.mrow .val small{color:var(--muted);font-weight:500;font-size:12px}
@media(max-width:700px){.mrow{grid-template-columns:1fr auto;gap:8px 12px}.mrow .bar{grid-column:1/-1}.mrow .val{text-align:right}.mrow .pill{grid-column:1/-1;justify-self:start}}
.bar{position:relative;height:30px}
.bar .track{position:absolute;left:0;right:0;top:9px;height:10px;border-radius:6px;background:var(--red-soft);overflow:hidden}
.bar .zone{position:absolute;top:0;bottom:0}
.bar .z-ref{background:#CFE9DC}
.bar .z-opt{background:var(--green);opacity:.55}
.bar .z-warn{background:var(--amber-soft)}
.bar .dot{position:absolute;top:4px;width:20px;height:20px;margin-left:-10px;border-radius:50%;background:var(--ink);border:3px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.3)}
.bar .tk{position:absolute;top:21px;font-size:10px;color:var(--muted);transform:translateX(-50%);white-space:nowrap}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:6px 0 4px}
.legend i{display:inline-block;width:12px;height:8px;border-radius:3px;margin-right:5px;vertical-align:middle}

/* findings */
.findings{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.find{border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:14px 16px;background:#fff}
.find h4{font-size:15px;margin-bottom:4px}
.find p{font-size:14px}
.find.ok{border-left-color:var(--green)}
.find.warn{border-left-color:var(--amber)}
.find.bad{border-left-color:var(--red)}
.note{background:var(--gold-soft);border:1px solid #EADCBF;border-radius:12px;padding:12px 14px;font-size:13.5px;color:#5A4520}

/* content */
.prose p{margin-bottom:14px;font-size:16px}
.prose ul,.prose ol{margin:0 0 14px 20px}
.prose li{margin-bottom:6px;color:var(--ink-2)}
.prose h2{margin-top:18px}
.prose h3{margin-top:18px}
.prose table{border-collapse:collapse;width:100%;font-size:14px;margin:6px 0 16px;background:#fff}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.prose th{background:var(--bg);font-weight:600}
.tbl-wrap{overflow-x:auto}
details.faq{border-bottom:1px solid var(--line);padding:14px 0}
details.faq summary{cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:12px}
details.faq summary::after{content:'+';color:var(--teal);font-size:20px;line-height:1}
details.faq[open] summary::after{content:'–'}
details.faq p{margin-top:8px}
.refs{font-size:13px;color:var(--muted)}
.refs li{margin-bottom:6px}

/* CTA */
.cta{background:var(--ink);color:var(--bone);border-radius:24px;padding:34px;display:grid;grid-template-columns:150px 1fr;gap:28px;align-items:center}
.cta img{width:150px;height:180px;object-fit:cover;object-position:center 15%;border-radius:16px}
.cta h2{color:var(--bone);font-size:30px}
.cta p{color:#C9D0D3;margin-bottom:16px}
@media(max-width:640px){.cta{grid-template-columns:1fr;padding:26px}.cta img{width:110px;height:130px}}

/* hub cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:10px;transition:.18s;box-shadow:var(--shadow)}
a.card:hover{transform:translateY(-2px);border-color:var(--teal)}
.card .cat{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-weight:600}
.card h3{font-size:19px;margin:0}
.card p{font-size:14px;color:var(--muted)}
.card .chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto}
.card .chips span{font-size:11px;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 7px;color:var(--ink-2)}
.card .go{font-weight:600;font-size:13.5px;color:var(--teal-deep)}
.card.soon{opacity:.6;box-shadow:none;background:transparent}

/* footer */
footer{border-top:1px solid var(--line);margin-top:40px;padding:30px 0 40px;font-size:13px;color:var(--muted)}
footer .f-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--ink-2)}
.disclaimer{font-size:12.5px;color:var(--muted);margin-top:14px;max-width:820px}

@media print{.top,.cta,footer,.actions,.prose,#faq{display:none!important}.tool{box-shadow:none;border:0}body{background:#fff}}

/* móvil */
@media(max-width:600px){
  .tool{padding:18px 16px;border-radius:16px}
  .kpis{grid-template-columns:1fr 1fr;gap:10px}
  .kpi{padding:12px 13px}
  .kpi .v{font-size:32px}
  .kpi .k{font-size:10.5px;letter-spacing:.06em}
  .kpi .s{font-size:12px}
  .wrap{padding:0 16px}
}