:root{
  --bg:#f8fafc; --surface:#ffffff; --text:#0f172a; --muted:#5b6b7c;
  --line:#e2e8f0; --accent:#166534; --accent-strong:#14532d;
  --accent-soft:#ecfdf5; --gray-soft:#f1f5f9; --rail:#cbd5e1;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
img{max-width:100%;display:block}

header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar{max-width:1080px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px}
.brand{font-weight:700;color:var(--text);text-decoration:none}
nav{display:flex;flex-wrap:wrap;gap:16px}
nav a{color:var(--muted);text-decoration:none;font-size:14px}
nav a:hover{color:var(--accent-strong)}

main{position:relative;z-index:1}
section{max-width:1080px;margin:0 auto;padding:64px 20px}
h1{margin:0 0 10px;font-size:clamp(38px,6vw,60px);letter-spacing:-.03em;line-height:1.05}
h2{margin:0 0 18px;font-size:clamp(26px,4vw,34px);letter-spacing:-.02em}
h3{margin:0 0 8px;font-size:18px}
.overline{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:10px}
.subtitle{margin:0 0 12px;color:var(--accent);font-size:clamp(18px,3vw,24px);font-weight:650}
.lead{max-width:760px;color:var(--muted);font-size:18px;margin:0}
.muted{color:var(--muted)} .small{font-size:13px;color:var(--muted)}

.level{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:12px}
.level::before{content:"";width:10px;height:10px;background:var(--accent);border-radius:3px}

.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:12px;text-decoration:none;font-weight:650;border:1px solid transparent}
.primary{background:var(--accent);color:#fff}
.primary:hover{background:var(--accent-strong)}
.secondary{background:#fff;color:var(--text);border-color:var(--line)}
.secondary:hover{border-color:var(--rail)}

.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
.figure{margin:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--gray-soft);min-height:240px;display:grid;place-items:center;color:var(--muted);font-size:14px}
.figure img{width:100%;height:100%;object-fit:cover}

.facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;color:var(--muted);font-size:14px}
.facts a{color:var(--accent);text-decoration:none;font-weight:600}

.card,.job,.edu-card,.tool,.toolcard{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:22px}
.jobs,.edu,.tools{display:grid;gap:16px}
.tools{grid-template-columns:repeat(2,minmax(0,1fr))}
.job .meta,.edu-card .meta{color:var(--muted);font-size:14px;margin:4px 0 12px}
.job ul{margin:0;padding-left:18px}

.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{padding:7px 11px;border-radius:999px;background:var(--gray-soft);border:1px solid var(--line);font-size:13px}

.toolcard{display:block;text-decoration:none;color:var(--text);transition:transform .15s ease,box-shadow .15s ease}
.toolcard:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,23,42,.08)}
.toolcard .thumb{height:170px;border-radius:14px;overflow:hidden;margin:-4px 0 16px;border:1px solid var(--line)}
.toolcard .thumb img{width:100%;height:100%;object-fit:cover}
.toolcard .badge{display:inline-block;margin-bottom:10px;padding:5px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:12px;font-weight:700}

.grid{display:grid;gap:12px;margin:18px 0}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.field label{display:block;margin-bottom:6px;font-size:13px;color:var(--muted)}
input{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fff;color:var(--text)}
input:focus{outline:2px solid var(--accent);border-color:var(--accent)}
button{appearance:none;border:0;border-radius:12px;background:var(--accent);color:#fff;font:inherit;font-weight:650;padding:12px 18px;cursor:pointer}
button:hover{background:var(--accent-strong)}
.result{display:none;margin-top:16px;padding:14px 16px;border-radius:14px;background:var(--accent-soft)}
.result.show{display:block}

.chart-wrap{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;margin-top:18px}
details.faq{border:1px solid var(--line);border-radius:14px;padding:12px 16px;background:var(--surface);margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details.faq p{margin:10px 0 0;color:var(--muted)}

.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--accent);text-decoration:none}

.contact-links{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center;margin-top:14px}
.contact-links a{color:var(--accent);font-weight:650;text-decoration:none}

footer{border-top:1px solid var(--line);padding:26px 20px;text-align:center;color:var(--muted);font-size:14px}

/* Rack de bodega: indicador de avance al hacer scroll */
.rack-rail{position:fixed;left:14px;top:0;bottom:0;width:22px;z-index:0;pointer-events:none;opacity:.45;
background:
 repeating-linear-gradient(to bottom,transparent 0 118px,var(--rail) 118px 126px),
 linear-gradient(to right,transparent 0 3px,var(--rail) 3px 6px,transparent 6px 16px,var(--rail) 16px 19px,transparent 19px)}
.rack-marker{position:fixed;left:10px;top:0;width:30px;height:22px;border-radius:6px;background:var(--accent);box-shadow:0 6px 16px rgba(22,101,52,.35);z-index:2;pointer-events:none}

@media(max-width:960px){
  .rack-rail,.rack-marker{display:none}
  .hero-grid,.split{grid-template-columns:1fr}
  .tools,.grid-3{grid-template-columns:1fr}
  .topbar{flex-direction:column;align-items:flex-start}
  section{padding:48px 18px}
}