:root{
  --bg:#faf6ef;--paper:#fff;--ink:#14212d;--ink2:#46535e;--muted:#66727c;
  --accent:#c94f22;--gold:#e8a33a;--navy:#0f1b28;--line:#e6ded1;--soft:#f2ebdf;--ok:#2f7d52;--bad:#b4442a;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65}
a{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
h1,h2,h3{font-family:var(--serif);line-height:1.15;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(1.65rem,3.4vw,2.3rem);margin-bottom:.5em}
h3{font-size:1.22rem;margin-bottom:.35em}
p+p{margin-top:.8em}
.kicker{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:.6em}
.lead{font-size:1.12rem;color:var(--ink2);max-width:660px}
section{padding:72px 0;border-bottom:1px solid var(--line)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:13px 22px;border-radius:8px;font-weight:700;font-size:1rem;text-decoration:none;border:2px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer;font-family:var(--sans);line-height:1.2;text-align:center}
.btn:hover{background:var(--ink);color:#fff}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#a8401b;border-color:#a8401b}
.btn.amz{background:#ffb84d;border-color:#ffb84d;color:#14212d}
.btn.amz:hover{background:#f2a531;border-color:#f2a531}
:focus-visible{outline:3px solid #f0a37f;outline-offset:2px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:99}

/* cabecera */
header.top{position:sticky;top:0;z-index:50;background:rgba(250,246,239,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo img{width:30px;height:30px}
.logo b{color:var(--accent)}
.nav nav{display:flex;gap:20px;font-size:.95rem}
.nav nav a{color:var(--ink2);text-decoration:none}
.nav nav a:hover,.nav nav a[aria-current]{color:var(--accent)}
.nav .btn{padding:9px 14px;font-size:.9rem}
@media(max-width:900px){.nav nav{display:none}}
@media(max-width:420px){.logo span{display:none}}

/* portada */
.hero{padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.1rem,4.8vw,3.3rem);margin-bottom:.4em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{margin-bottom:26px}
.facts{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:.92rem;color:var(--muted)}
.facts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle}
.cover{width:min(320px,82%);margin:0 auto;border-radius:3px 8px 8px 3px;box-shadow:12px 18px 38px rgba(20,33,45,.32)}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:36px}.cover{width:220px}}

.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media(max-width:860px){.two{grid-template-columns:1fr;gap:28px}}
.checklist{list-style:none}
.checklist li{padding:12px 0;border-bottom:1px dashed var(--line);display:flex;gap:12px}
.checklist li::before{content:"✕";color:var(--bad);font-weight:700}
.checklist.yes li::before{content:"✓";color:var(--ok)}

.parts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
@media(max-width:960px){.parts{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.parts{grid-template-columns:1fr}}
.part{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px}
.part .n{font-family:var(--serif);font-size:2rem;color:var(--accent);line-height:1}
.part ul{list-style:none;margin-top:10px;font-size:.93rem;color:var(--ink2)}
.part li{padding:4px 0}
.part.main{background:var(--navy);color:#fff;border-color:var(--navy)}
.part.main ul{color:#d5dde3}.part.main .n{color:var(--gold)}

.cycle{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:28px 0;counter-reset:c}
@media(max-width:760px){.cycle{grid-template-columns:1fr}}
.cycle div{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px;counter-increment:c}
.cycle div::before{content:counter(c);display:block;font-family:var(--serif);font-size:1.6rem;color:var(--accent);line-height:1;margin-bottom:6px}
.cycle strong{display:block}
.cycle span{font-size:.9rem;color:var(--ink2)}

/* test */
#test{background:var(--soft)}
.quiz{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:30px;max-width:760px;margin:32px auto 0;box-shadow:0 10px 30px rgba(20,33,45,.06)}
.qhead{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--muted);margin-bottom:10px;gap:10px}
.qcat{font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;font-size:.75rem}
.progress{height:6px;background:var(--soft);border-radius:99px;overflow:hidden;margin-bottom:22px}
.progress i{display:block;height:100%;background:var(--accent);transition:width .3s}
.qtext{font-family:var(--serif);font-size:1.32rem;line-height:1.3;margin-bottom:18px}
.opts{display:grid;gap:10px}
.opt{text-align:left;padding:14px 16px;border:2px solid var(--line);border-radius:10px;background:#fff;font:inherit;font-size:1rem;color:var(--ink);cursor:pointer}
.opt:hover:not([disabled]){border-color:var(--ink)}
.opt.right{border-color:var(--ok);background:#ecf6f0}
.opt.wrong{border-color:var(--bad);background:#fbefea}
.opt[disabled]{cursor:default}
.explain{margin-top:16px;padding:14px 16px;border-left:4px solid var(--accent);background:var(--bg);border-radius:0 8px 8px 0;font-size:.95rem;color:var(--ink2)}
.qfoot{margin-top:20px;display:flex;justify-content:flex-end}
.result{text-align:center}
.score{font-family:var(--serif);font-size:3.4rem;color:var(--accent);line-height:1}
.bars3{display:grid;gap:10px;max-width:420px;margin:22px auto;text-align:left;font-size:.9rem}
.bars3 span{display:flex;justify-content:space-between}
.bars3 b{display:block;height:8px;background:var(--soft);border-radius:99px;overflow:hidden;margin-top:4px}
.bars3 b i{display:block;height:100%;background:var(--ink)}
.result .actions{justify-content:center;margin-top:18px}

/* servicios */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
@media(max-width:960px){.ladder{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.ladder{grid-template-columns:1fr}}
.step{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;position:relative}
.step .lvl{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--muted)}
.step .price{font-family:var(--serif);font-size:1.5rem;margin:8px 0 2px}
.step .price small{font-family:var(--sans);font-size:.8rem;color:var(--muted);font-weight:400}
.step p{font-size:.93rem;color:var(--ink2);margin:8px 0 14px}
.step ul{list-style:none;font-size:.9rem;margin-bottom:18px;flex:1}
.step li{padding:5px 0 5px 22px;position:relative}
.step li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.step .btn{width:100%;padding:11px}
.step.hi{border:2px solid var(--accent)}
.step.hi::after{content:"El más pedido";position:absolute;top:-12px;left:20px;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:99px}
.note{font-size:.88rem;color:var(--muted);margin-top:18px}

/* autor */
.author{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:start}
.mono{width:110px;height:110px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-family:var(--serif);font-size:2.2rem;font-weight:700}
@media(max-width:600px){.author{grid-template-columns:1fr}}
.books{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.books a{border:1px solid var(--line);background:var(--paper);border-radius:99px;padding:6px 14px;font-size:.9rem;text-decoration:none;color:var(--ink)}
.books a:hover{border-color:var(--accent);color:var(--accent)}

/* faq */
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin-top:10px;color:var(--ink2)}

/* contacto */
.contact{background:var(--navy);color:#fff;border-bottom:0}
.contact .lead{color:#c9d2d9}
.contact .btn{border-color:#fff;color:#fff}
.contact .btn:hover{background:#fff;color:var(--ink)}
.contact .btn.primary{border-color:var(--accent)}
.form{display:grid;gap:12px;background:rgba(255,255,255,.06);padding:24px;border-radius:14px}
.form label{font-size:.85rem;color:#c9d2d9}
.form input,.form select,.form textarea{width:100%;padding:12px;border-radius:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;font:inherit;font-size:1rem}
.form select option{color:var(--ink)}
.form .small{font-size:.8rem;color:#aab6bf}
.form .small input{width:auto;margin-right:6px}
.contact a{color:#f0a37f}

/* artículo y páginas */
.page-head{padding:56px 0 32px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:.35em}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.article{padding:44px 0 72px}
.article h2{font-size:1.75rem;margin:1.6em 0 .5em}
.article h3{margin:1.3em 0 .4em}
.article p,.article li{color:#26333e}
.article ul,.article ol{padding-left:1.3em;margin:.7em 0}
.article li{margin:.3em 0}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:8px 0 24px}
.toc ol{margin:.4em 0 0}
.box{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:8px;padding:18px 20px;margin:22px 0}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.93rem;background:var(--paper)}
th,td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{background:var(--soft)}
.tablewrap{overflow-x:auto}
.cta-book{display:grid;grid-template-columns:140px 1fr;gap:24px;align-items:center;background:var(--navy);color:#fff;border-radius:14px;padding:24px;margin:36px 0}
.cta-book p{color:#c9d2d9}
.cta-book .btn{border-color:#fff;color:#fff}
@media(max-width:560px){.cta-book{grid-template-columns:1fr}.cta-book img{width:130px}}

/* zona del lector */
.lect-nav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.lect-nav a{background:var(--paper);border:1px solid var(--line);border-radius:99px;padding:5px 12px;font-size:.88rem;text-decoration:none;color:var(--ink)}
.res{padding:44px 0;border-bottom:1px solid var(--line)}
.res-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.res-head .btn{padding:8px 14px;font-size:.88rem}
.prompt{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px 16px 16px;margin:12px 0;font-size:.94rem;white-space:pre-wrap}
.prompt h4{font-family:var(--sans);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:6px}
.copy{position:absolute;top:10px;right:10px;font:inherit;font-size:.8rem;border:1px solid var(--line);background:var(--bg);border-radius:6px;padding:4px 9px;cursor:pointer}
.fill td{height:34px}
.chk{list-style:none;padding:0}
.chk li{padding:7px 0 7px 30px;position:relative;border-bottom:1px dashed var(--line)}
.chk li::before{content:"";position:absolute;left:0;top:10px;width:16px;height:16px;border:2px solid var(--ink2);border-radius:3px}

/* pie */
footer{background:#0b141e;color:#aab6bf;padding:40px 0;font-size:.9rem}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px}
footer a{color:#d5dde3;text-decoration:none}
footer a:hover{color:var(--gold)}
footer nav{display:flex;flex-wrap:wrap;gap:8px 18px}
.wa{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.2);z-index:60}
.wa svg{width:28px;height:28px;fill:#fff}

/* cookies */
.ghm-pref{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.18);padding:18px 20px;z-index:80;font-size:.92rem}
.ghm-pref p{margin-bottom:12px;color:var(--ink2)}
.ghm-pref .actions{gap:10px}
.ghm-pref .btn{padding:9px 16px;font-size:.9rem}
[hidden]{display:none!important}

@media print{
  header.top,footer,.wa,.ghm-pref,.lect-nav,.no-print,.copy,.res-head .btn{display:none!important}
  body{background:#fff;font-size:11pt}
  .res{border:0;padding:0}
  body.printing .res:not(.print-me),body.printing .page-head,body.printing .intro-lect{display:none!important}
  table{page-break-inside:avoid}
}