:root{
  --navy:#0f1b3d;--navy-2:#18295a;--orange:#f7931e;--orange-d:#d97a08;
  --ink:#1a2238;--muted:#5b6478;--line:#e3e7ef;--bg:#ffffff;--soft:#f5f7fb;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-2)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
h1,h2,h3{line-height:1.2;color:var(--navy)}
h1{font-size:clamp(2rem,5vw,3.1rem);margin:.2em 0 .4em;letter-spacing:-.02em}
h2{font-size:clamp(1.4rem,3vw,1.8rem);margin:1.8em 0 .6em}

/* header */
.top{background:var(--navy);position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700}
.brand img{border-radius:8px}

/* buttons */
.btn{display:inline-block;background:var(--orange);color:var(--navy);font-weight:800;text-decoration:none;padding:.75em 1.3em;border-radius:10px;border:2px solid var(--orange);transition:background .15s}
.btn:hover{background:var(--orange-d);border-color:var(--orange-d)}
.btn-sm{padding:.45em .9em;font-size:.92rem}
.btn-lg{font-size:1.15rem;padding:.9em 1.6em;box-shadow:0 6px 20px rgba(247,147,30,.35)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* hero */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#e8ecf6;padding:56px 0 64px}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.hero h1{color:#fff}
.hero h1 span{color:var(--orange)}
.kicker{color:var(--orange);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.85rem;margin:0}
.lead{font-size:1.12rem;color:inherit;opacity:.92}
.note{font-size:.95rem;opacity:.8;margin-top:14px}
.hero-img img{border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.35)}

/* guides */
.guides{padding:20px 0 40px}
.sub{color:var(--muted);margin-top:-.4em}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:20px}
.card{border:1px solid var(--line);border-radius:14px;padding:24px;background:#fff;box-shadow:0 2px 10px rgba(15,27,61,.05);display:flex;flex-direction:column}
.card h3{margin:.2em 0 .4em;font-size:1.3rem}
.card h3 a{text-decoration:none;color:var(--navy)}
.card p{color:var(--muted);margin:0 0 18px;flex:1}
.tag{display:inline-block;align-self:flex-start;background:#fff3e3;color:var(--orange-d);font-weight:700;font-size:.8rem;padding:.2em .7em;border-radius:99px;margin:0}
.card .tag{color:var(--orange-d)}
.card-actions{display:flex;align-items:center;gap:16px}
.link{font-weight:700}

.what{background:var(--soft);padding:20px 0 40px}
.ticks{list-style:none;padding:0}
.ticks li{padding-left:30px;position:relative;margin:.6em 0}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}

/* CTA box */
.cta-box{background:var(--navy);color:#e8ecf6;text-align:center;padding:48px 0 56px}
.cta-box h2{color:#fff;margin-top:0}
.cta-box p{max-width:620px;margin:0 auto 24px}

/* guide page */
.guide-head{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#e8ecf6;padding:36px 0 40px}
.guide-head h1{color:#fff;font-size:clamp(1.7rem,4.5vw,2.6rem)}
.crumb{margin:0;font-size:.9rem;opacity:.85}
.crumb a{color:var(--orange)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.guide{padding-bottom:30px}
.guide h2{border-bottom:3px solid var(--orange);padding-bottom:.25em;display:inline-block}
.guide ul{padding-left:1.2em}
.guide li{margin:.35em 0}
.checklist{list-style:none;padding-left:0!important}
.checklist .box{color:var(--orange-d);font-size:1.15em;margin-right:.5em}
.table-wrap{overflow-x:auto;margin:1em 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{padding:.65em .8em;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--navy);color:#fff;font-weight:700}
tbody tr:nth-child(even){background:var(--soft)}
tbody tr:last-child td{border-bottom:0}
.pdf-again{margin-top:2em}

/* footer */
.foot{background:#0a1430;color:#aab3c9;padding:28px 0;font-size:.92rem;text-align:center}
.foot a{color:#fff}
.foot .disc{color:#fff;font-weight:600}
.small{font-size:.8rem;opacity:.75}

@media (max-width:820px){
  .hero{padding:36px 0 44px}
  .hero-in{grid-template-columns:1fr;gap:28px}
  .brand span{font-size:.95rem}
  /* tablas como fichas en móvil */
  .table-wrap{border:0;overflow:visible}
  table,thead,tbody,tr,td{display:block;width:100%}
  thead{position:absolute;left:-9999px}
  tbody tr{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:6px 0;background:#fff!important}
  td{border:0;padding:.35em .9em}
  td[data-label]:not([data-label=""])::before{content:attr(data-label);display:block;font-size:.78rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
  td:first-child{font-weight:700;color:var(--navy)}
}
@media (max-width:380px){.brand span{display:none}}