:root{
  --paper:#f5f5ef;--card:#fff;--ink:#182d2b;--muted:#566760;--soft:#7d8c85;
  --green:#16644f;--deep:#183e33;--lime:#d6ee98;--line:#dfe4dc;--sand:#eee4d0;--orange:#9c4d1d;
  --bar-bg:#e7ece4;--chip:#e5ebde;--focus:#a05b1c;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;--sans:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0f1a17;--card:#16231f;--ink:#e8efe9;--muted:#a9b8b0;--soft:#8a9a92;
  --green:#7fcfa9;--deep:#0b1512;--lime:#c9e88a;--line:#2a3a34;--sand:#2b261c;--orange:#e39a68;
  --bar-bg:#22322c;--chip:#20302a;--focus:#e3a35f;
}}
:root[data-theme="dark"]{
  --paper:#0f1a17;--card:#16231f;--ink:#e8efe9;--muted:#a9b8b0;--soft:#8a9a92;
  --green:#7fcfa9;--deep:#0b1512;--lime:#c9e88a;--line:#2a3a34;--sand:#2b261c;--orange:#e39a68;
  --bar-bg:#22322c;--chip:#20302a;--focus:#e3a35f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;overflow-x:hidden}
html[lang="es"] [data-l="en"],html[lang="en"] [data-l="es"]{display:none!important}
a{color:var(--green)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
img,svg{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* Top bar */
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--deep);color:var(--lime);display:grid;place-items:center;font-size:16px;border:1px solid color-mix(in srgb,var(--lime) 55%,transparent)}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-size:14px;padding:7px 11px;border-radius:7px;white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);background:var(--chip)}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-left:6px}
.lang button{border:0;background:transparent;color:var(--muted);font:600 12px var(--sans);padding:7px 10px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--green);color:var(--paper)}
.menu-btn{display:none}

/* Hero */
.hero{padding-top:76px;padding-bottom:40px}
.eyebrow{color:var(--green);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:1.12;margin:0}
h1{font-size:clamp(38px,6vw,70px);margin:16px 0 22px;max-width:920px}
h1 em,h2 em{font-style:italic;color:var(--green)}
h2{font-size:clamp(28px,3.6vw,42px);margin:10px 0 16px}
h3{font-size:22px;margin:0 0 8px}
.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:720px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:9px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid var(--line);color:var(--ink);background:var(--card)}
.btn.primary{background:var(--deep);border-color:var(--deep);color:#fff}
.btn:hover{transform:translateY(-1px)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:52px 0 0}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.kpi.dark{background:var(--deep);border-color:var(--deep);color:#fff}
.kpi b{display:block;font-family:var(--serif);font-weight:500;font-size:40px;line-height:1.1;letter-spacing:-.02em}
.kpi span{font-size:13px;color:var(--muted)}
.kpi.dark span{color:#c4d9cd}

/* Sections */
section{padding:64px 0;border-top:1px solid var(--line)}
.section-num{font-size:12px;letter-spacing:2px;color:var(--soft);font-weight:700}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.card p{margin:0 0 10px}
.muted{color:var(--muted)}
.small{font-size:14px}
.tag{display:inline-block;background:var(--chip);color:var(--green);font-size:12px;font-weight:700;letter-spacing:.6px;padding:4px 9px;border-radius:5px;text-transform:uppercase}
.tag.warn{background:var(--sand);color:var(--orange)}
.callout{border-left:4px solid var(--green);background:var(--card);padding:18px 22px;border-radius:0 12px 12px 0;margin:24px 0}
.callout.warn{border-color:var(--orange)}

/* Bar charts (HTML) */
.bars{display:grid;gap:10px;margin:18px 0 6px}
.bar-row{display:grid;grid-template-columns:118px 1fr 58px;gap:12px;align-items:center;font-size:14px}
.bar-track{height:14px;background:var(--bar-bg);border-radius:7px;overflow:hidden;position:relative}
.bar-fill{height:100%;background:var(--green);border-radius:7px}
.bar-fill.alt{background:var(--orange)}
.bar-fill.lime{background:var(--lime)}
.bar-val{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.bar-n{color:var(--soft);font-size:12px;display:block;line-height:1.1}
.chart-note{font-size:13px;color:var(--soft);margin-top:8px}

.split-bar{display:flex;height:56px;border-radius:12px;overflow:hidden;margin:18px 0 10px;font-weight:600}
.split-bar div{display:flex;align-items:center;padding:0 16px;white-space:nowrap}
.split-bar .a{background:var(--green);color:#fff}
.split-bar .b{background:var(--bar-bg);color:var(--muted);flex:1;justify-content:flex-end}

.dumbbell{display:grid;gap:12px;margin-top:16px}
.db-row{display:grid;grid-template-columns:90px 1fr;gap:12px;align-items:center;font-size:14px}
.db-track{position:relative;height:28px}
.db-track::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.db-dot{position:absolute;top:50%;width:14px;height:14px;border-radius:50%;transform:translate(-50%,-50%);border:2px solid var(--card)}
.db-dot.raw{background:var(--soft)}
.db-dot.adj{background:var(--green)}
.db-line{position:absolute;top:50%;height:3px;transform:translateY(-50%);background:color-mix(in srgb,var(--green) 40%,transparent)}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);margin-top:10px;flex-wrap:wrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}

/* Findings */
.finding{display:grid;grid-template-columns:56px 1fr;gap:14px;padding:22px 0;border-bottom:1px solid var(--line)}
.finding:last-child{border-bottom:0}
.finding .n{font-family:var(--serif);font-size:34px;color:var(--green);line-height:1}

/* Pipeline / roadmap */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:22px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;position:relative}
.step.done{background:var(--deep);border-color:var(--deep);color:#fff}
.step.done .muted{color:#c4d9cd}
.step b{display:block;font-family:var(--serif);font-weight:500;font-size:21px;margin:4px 0 6px}
.step .k{font-size:11px;letter-spacing:1.6px;font-weight:700;color:var(--soft)}
.step.done .k{color:var(--lime)}
.step ul{margin:8px 0 0;padding-left:18px;font-size:13.5px}
.pipeline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0}
.pipeline span{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:14px}
.pipeline i{color:var(--soft);font-style:normal}

/* Tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--soft);font-weight:700;background:color-mix(in srgb,var(--chip) 50%,var(--card))}
tr:last-child td{border-bottom:0}

/* Article (evidence) */
.article h2{margin-top:56px}
.article h3{margin-top:34px;font-size:24px}
.article p,.article li{max-width:72ch}
.article ol.refs{padding-left:22px;font-size:15px}
.article ol.refs li{margin-bottom:10px}
sup a{text-decoration:none;font-weight:700;font-size:12px;padding:0 1px}
.abstract{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin:30px 0}
.abstract h3{font-family:var(--sans);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--green);font-weight:700;margin:0 0 10px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0}
.toc a{font-size:13.5px;text-decoration:none;background:var(--chip);color:var(--ink);padding:6px 11px;border-radius:7px}

footer{border-top:1px solid var(--line);padding:40px 0 56px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}

@media (max-width:900px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .topbar .wrap{height:auto;min-height:58px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px;gap:8px}
  .nav{order:3;width:100%;margin-left:0;overflow-x:auto;padding-bottom:2px}
  .lang{margin-left:auto}
  .hero{padding-top:44px;padding-bottom:28px}
  section{padding:46px 0}
  .card{padding:20px}
  .steps{grid-template-columns:1fr}
  .bar-row{grid-template-columns:92px 1fr 50px;gap:8px}
  .kpi b{font-size:32px}
  .split-bar{height:auto;flex-direction:column}
  .split-bar div{padding:12px 14px}
  .split-bar .b{justify-content:flex-start}
}
@media print{.topbar,.cta{display:none}section{break-inside:avoid}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}
.article ol.refs li{scroll-margin-top:80px}