:root{
  --bg:#ffffff;--soft:#f6f4f1;--soft-2:#fff6ee;--ink:#1d1b19;--ink-2:#4b4640;--muted:#7c766f;--line:#e8e3dc;
  --brand:#e2571c;--brand-2:#ffeadd;--cta:#ffb21a;--cta-ink:#1d1b19;--cta-hover:#ffa000;
  --good:#16834a;--good-bg:#e5f5ec;--bad:#c2372b;--blue:#2457c5;--blue-bg:#e8eefc;
  --radius:14px;--shadow:0 2px 6px rgba(29,27,25,.06),0 10px 30px rgba(29,27,25,.06);
  --max:1120px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#141311;--soft:#1d1b18;--soft-2:#2a1e16;--ink:#f4efe9;--ink-2:#d2cac0;--muted:#a0978d;--line:#34302b;
    --brand:#ff8a4c;--brand-2:#3a2417;--cta:#ffc043;--cta-ink:#1d1b19;--cta-hover:#ffb21a;
    --good:#5fd394;--good-bg:#173323;--bad:#ff7a6e;--blue:#8fb0ff;--blue-bg:#1b2540;
    --shadow:0 2px 10px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"]{
  --bg:#141311;--soft:#1d1b18;--soft-2:#2a1e16;--ink:#f4efe9;--ink-2:#d2cac0;--muted:#a0978d;--line:#34302b;
  --brand:#ff8a4c;--brand-2:#3a2417;--cta:#ffc043;--cta-ink:#1d1b19;--cta-hover:#ffb21a;
  --good:#5fd394;--good-bg:#173323;--bad:#ff7a6e;--blue:#8fb0ff;--blue-bg:#1b2540;--shadow:0 2px 10px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--font)}
a{color:var(--brand)}
img,svg{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.2;letter-spacing:-.015em;margin:0}
h1{font-size:clamp(1.85rem,4.6vw,2.9rem);font-weight:800}
h2{font-size:clamp(1.4rem,3vw,1.95rem);font-weight:800;margin:56px 0 8px}
h3{font-size:1.18rem;font-weight:750}
p{margin:.6em 0}
.muted{color:var(--muted)}.small{font-size:.86rem}
.center{text-align:center}

/* cabecera */
.top{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:60px}
.logo{display:flex;align-items:center;gap:9px;font-weight:850;font-size:1.2rem;color:var(--ink);text-decoration:none}
.logo i{font-style:normal;color:var(--brand)}
.logo svg{flex:none}
.top nav{margin-left:auto;display:flex;gap:18px;font-size:.94rem;overflow-x:auto;white-space:nowrap}
.top nav a{color:var(--ink-2);text-decoration:none;font-weight:600}
.top nav a:hover{color:var(--brand)}
/* móvil: logo arriba y el menú debajo, en una fila que se desliza (antes se montaban) */
@media (max-width:640px){
  .top .wrap{flex-wrap:wrap;gap:0 12px;min-height:0;padding-top:10px}
  .top nav{order:3;width:100%;margin-left:0;gap:18px;padding:8px 0 10px;font-size:.92rem;scrollbar-width:none}
  .top nav::-webkit-scrollbar{display:none}
  .top nav .theme{margin-left:auto}
}

/* hero */
.hero{background:linear-gradient(180deg,var(--soft-2),var(--bg));padding:34px 0 10px}
.hero .sub{font-size:1.15rem;color:var(--ink-2);max-width:720px}
.meta{display:flex;gap:14px;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin-top:10px}
.meta b{color:var(--ink-2)}
.disc{font-size:.8rem;color:var(--muted);margin:10px 0 0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 0}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.88rem;color:var(--ink-2);text-decoration:none;font-weight:600}
.chip:hover{border-color:var(--brand);color:var(--brand)}

/* podio */
.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
@media (max-width:860px){.podium{grid-template-columns:1fr}}
.pick{background:var(--bg);border:2px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative}
.pick.win{border-color:var(--brand)}
.ribbon{position:absolute;top:-13px;left:16px;background:var(--brand);color:#fff;font-weight:800;font-size:.78rem;padding:4px 11px;border-radius:999px;letter-spacing:.02em;text-transform:uppercase}
.ribbon.alt{background:var(--blue)}.ribbon.cheap{background:var(--good)}
.pick .img{margin:12px 0}
.pick h3{margin:4px 0 2px}
.pick .why{color:var(--ink-2);font-size:.95rem;flex:1}
.pick .btn{margin-top:12px}

/* imagen producto */
.img{background:var(--soft);border-radius:12px;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}
.img img{width:100%;height:100%;object-fit:contain;padding:10px;background:#fff}
.img svg{width:78%;height:auto}
.img.foto{background:#fff}
.img.foto img{padding:0}

/* botones */
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;background:var(--cta);color:var(--cta-ink);font-weight:800;text-decoration:none;border-radius:10px;padding:13px 18px;font-size:1rem;border:0;cursor:pointer;box-shadow:0 2px 0 rgba(0,0,0,.12);transition:transform .08s,background .15s;text-align:center}
.btn:hover{background:var(--cta-hover);transform:translateY(-1px)}
.btn.block{display:flex;width:100%}
.btn.sm{padding:9px 13px;font-size:.92rem}
.btn.ghost{background:transparent;color:var(--ink);border:2px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn .arr{font-size:1.1em}

/* nota */
.score{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--brand-2);color:var(--brand);font-weight:900;font-size:1.15rem;flex:none}
.score small{display:block;font-size:.6rem;font-weight:700;margin-top:-6px;color:var(--muted)}
.row{display:flex;gap:12px;align-items:center}

/* tabla comparativa */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin-top:14px}
table{border-collapse:collapse;width:100%;font-size:.93rem;min-width:760px}
th,td{padding:12px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
thead th{background:var(--soft);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tbody tr:hover{background:var(--soft-2)}
tbody tr:last-child td{border-bottom:0}
td .thumb{width:64px}
td .thumb .img{aspect-ratio:1}
.yes{color:var(--good);font-weight:800}.no{color:var(--muted)}
.tag{display:inline-block;font-size:.74rem;font-weight:800;padding:3px 9px;border-radius:999px;background:var(--brand-2);color:var(--brand);margin:2px 4px 2px 0}
.tag.green{background:var(--good-bg);color:var(--good)}.tag.blue{background:var(--blue-bg);color:var(--blue)}

/* ahorro */
.save{background:var(--soft);border-radius:20px;padding:26px;margin-top:20px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg);border-radius:var(--radius);padding:18px;border:1px solid var(--line)}
.step .ico{width:46px;height:46px;border-radius:12px;background:var(--brand-2);color:var(--brand);display:grid;place-items:center;font-weight:900;font-size:1.3rem;margin-bottom:10px}
.step h3{font-size:1.05rem}
.step p{color:var(--ink-2);font-size:.95rem}
.example{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
@media (max-width:700px){.example{grid-template-columns:1fr}}
.ex{background:var(--bg);border-radius:var(--radius);padding:18px;border:2px solid var(--line)}
.ex.good{border-color:var(--good)}
.ex .big{font-size:2.1rem;font-weight:900;line-height:1.1}
.ex.good .big{color:var(--good)}
.ex.bad .big{color:var(--bad)}
.note{font-size:.9rem;color:var(--ink-2);background:var(--bg);border-left:4px solid var(--brand);padding:10px 14px;border-radius:0 10px 10px 0;margin-top:16px}

/* calculadora */
.calc{background:var(--bg);border:2px solid var(--brand);border-radius:20px;padding:22px;margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:760px){.calc{grid-template-columns:1fr}}
.calc label{display:flex;justify-content:space-between;font-weight:700;margin:14px 0 6px}
.calc label b{color:var(--brand)}
.calc input[type=range]{width:100%;accent-color:var(--brand)}
.calc .out{background:var(--soft-2);border-radius:14px;padding:18px}
.calc .out .big{font-size:2.3rem;font-weight:900;color:var(--brand);line-height:1}
.calc .rec{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}

/* fichas en la página principal */
.review{display:grid;grid-template-columns:280px 1fr;gap:26px;padding:28px 0;border-top:1px solid var(--line)}
@media (max-width:760px){.review{grid-template-columns:1fr;gap:12px}}
.review .num{font-weight:900;color:var(--muted);font-size:.9rem}
.specs{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.spec{background:var(--soft);border-radius:8px;padding:5px 10px;font-size:.86rem;color:var(--ink-2)}
.spec b{color:var(--ink)}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:8px 0 12px}
@media (max-width:520px){.pc{grid-template-columns:1fr}}
.pc ul{margin:4px 0;padding-left:1.15em}
.pc li{margin:3px 0}
ul.pros li::marker{content:"✔  ";color:var(--good)}
ul.cons li::marker{content:"✖  ";color:var(--bad)}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* tipos */
.types{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
@media (max-width:800px){.types{grid-template-columns:1fr}}
.type{border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.type .img{aspect-ratio:16/9;margin-bottom:10px}

/* faq */
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{cursor:pointer;font-weight:750;font-size:1.03rem}
details p{color:var(--ink-2)}

/* producto */
.prod-top{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;margin-top:22px}
@media (max-width:800px){.prod-top{grid-template-columns:1fr}}
.verdict{background:var(--soft-2);border-radius:var(--radius);padding:18px;margin:14px 0}
.kv{width:100%;border-collapse:collapse;min-width:0}
.kv th{width:48%;background:none;text-transform:none;letter-spacing:0;font-size:.93rem;color:var(--ink-2);font-weight:600}
.crumbs{font-size:.84rem;color:var(--muted);margin-top:16px}
.crumbs a{color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:800px){.grid3{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px}
.card h3{font-size:1.02rem}
.card a.t{color:var(--ink);text-decoration:none}

/* barra fija móvil */
.sticky{position:fixed;left:0;right:0;bottom:0;background:var(--bg);border-top:1px solid var(--line);padding:10px 16px;display:none;align-items:center;gap:12px;z-index:30;box-shadow:0 -6px 20px rgba(0,0,0,.08);transform:translateY(110%);transition:transform .25s}
.sticky.on{transform:none}
.sticky .t{flex:1;font-size:.85rem;line-height:1.3}
.sticky .t b{display:block;font-size:.95rem}
@media (max-width:760px){.sticky{display:flex}body{padding-bottom:76px}}

footer{margin-top:60px;background:var(--soft);padding:28px 0;font-size:.86rem;color:var(--muted)}
footer a{color:var(--ink-2)}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px}
@media (max-width:700px){footer .cols{grid-template-columns:1fr}}
.theme{background:none;border:1px solid var(--line);border-radius:8px;color:var(--ink-2);padding:4px 9px;cursor:pointer;font:inherit;font-size:.85rem}

/* ===== precio y ofertas (solo con datos oficiales de Amazon) ===== */
.price{margin:10px 0 12px;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 10px}
.price .now{font-size:1.65rem;font-weight:900;color:var(--ink)}
.price s{color:var(--muted);font-size:.95rem}
.price .off{background:var(--bad);color:#fff;font-weight:900;font-size:.85rem;padding:3px 8px;border-radius:6px}
.price .lbl{flex-basis:100%;font-size:.82rem;color:var(--good);font-weight:700}
.price .ts{flex-basis:100%;font-size:.72rem;color:var(--muted)}
.deal{display:inline-flex;align-items:center;gap:6px;background:#fff1d6;color:#8a4b00;font-weight:800;font-size:.8rem;padding:4px 10px;border-radius:999px;margin:4px 0}
.badge-low{display:inline-block;background:var(--good-bg);color:var(--good);font-weight:900;font-size:.76rem;padding:3px 9px;border-radius:999px}
.offers{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
@media (max-width:900px){.offers{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.offers{grid-template-columns:1fr}}

/* ===== tabla en escritorio, tarjetas en móvil ===== */
.mcards{display:none}
@media (max-width:760px){
  .table-wrap.cmp{display:none}
  .mcards{display:grid;gap:12px;margin-top:14px}
  .mcard{display:grid;grid-template-columns:96px 1fr;gap:12px;border:1px solid var(--line);border-radius:var(--radius);padding:12px;align-items:center}
  .mcard .img{aspect-ratio:1}
  .mcard h3{font-size:1rem;margin:2px 0}
  .mcard .mini{font-size:.82rem;color:var(--muted)}
  .mcard .btn{grid-column:1/-1}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px}
  .chip{white-space:nowrap}
  .review .img{max-height:220px}
  h2{margin-top:42px}
}

/* ===== escritorio: índice lateral fijo ===== */
.with-aside{display:block}
.aside{display:none}
@media (min-width:1180px){
  .with-aside{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:40px;align-items:start}
  .aside{display:block;position:sticky;top:84px}
  .aside .box{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px;background:var(--bg)}
  .aside .toc a{display:block;color:var(--ink-2);text-decoration:none;padding:5px 0;font-size:.92rem;border-bottom:1px dashed var(--line)}
  .aside .toc a:hover{color:var(--brand)}
  .aside .img{aspect-ratio:16/10;margin:8px 0}
}

/* ===== bloques SEO ===== */
.answer{background:var(--soft-2);border-left:5px solid var(--brand);border-radius:0 14px 14px 0;padding:16px 18px;margin:18px 0;font-size:1.05rem}
.answer b{color:var(--ink)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
@media (max-width:760px){.related{grid-template-columns:1fr}}
.related a{border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;color:var(--ink);font-weight:700;display:block}
.related a span{display:block;font-weight:400;color:var(--muted);font-size:.85rem;margin-top:4px}
.related a:hover{border-color:var(--brand)}
/* portada: elegir qué comparar */
.choose{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:18px}
.opt{display:flex;flex-direction:column;gap:4px;border:1px solid var(--line);border-radius:16px;padding:12px 14px 14px;background:var(--bg);color:var(--ink);text-decoration:none;transition:border-color .15s,transform .15s}
.opt:hover{border-color:var(--brand);transform:translateY(-2px)}
.opt .img{margin:-2px -4px 6px;border-radius:12px}
.opt b{font-size:1.2rem}
.opt span{color:var(--ink-2);font-size:.93rem;line-height:1.4}
.opt em{font-style:normal;color:var(--brand);font-weight:700;margin-top:auto;padding-top:6px;font-size:.95rem;line-height:1.3}
.pill-nav.big a{padding:10px 16px;font-size:1rem;background:var(--bg)}
@media (max-width:640px){.choose{grid-template-columns:1fr 1fr;gap:10px}.opt{padding:8px 10px 10px}.opt b{font-size:1.02rem}.opt span{font-size:.82rem}.opt em{font-size:.84rem}}
.pill-nav{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.pill-nav a{border:1px solid var(--line);border-radius:999px;padding:6px 12px;text-decoration:none;color:var(--ink-2);font-weight:600;font-size:.9rem}
.pill-nav a.on,.pill-nav a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-2)}
table.data{min-width:0}
table.data td,table.data th{white-space:nowrap}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
@media (max-width:700px){.vs{grid-template-columns:1fr}}
.vs .side{border:2px solid var(--line);border-radius:var(--radius);padding:18px}
.vs .side h3{margin-bottom:8px}
.author{display:flex;gap:14px;align-items:center;border-top:1px solid var(--line);margin-top:40px;padding-top:18px;font-size:.92rem;color:var(--ink-2)}
.author .av{width:48px;height:48px;border-radius:50%;background:var(--brand-2);color:var(--brand);display:grid;place-items:center;font-weight:900;flex:none}
.facts li{margin:8px 0;line-height:1.5}
/* Informe mensual */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.kpis.two{grid-template-columns:1fr 1fr}
.kpi{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.kpi span{font-size:.8rem;color:var(--ink-2);text-transform:uppercase;letter-spacing:.03em}
.kpi b{font-size:1.45rem;line-height:1.2}
.kpi small{color:var(--ink-2);font-size:.85rem}
.kpi.good{border-color:#1a9b5b}.kpi.good b{color:#1a9b5b}
.kpi.bad{border-color:#d43c2f}.kpi.bad b{color:#d43c2f}
.delta{font-weight:800}.delta.up{color:#d43c2f}.delta.down{color:#1a9b5b}.delta.flat{color:var(--ink-2)}
.ch{width:100%;height:auto;display:block;margin:10px 0 6px}
.ch rect.b{fill:var(--brand);opacity:.45}.ch rect.cur{fill:var(--brand)}
.ch rect.lo{fill:#1a9b5b}.ch rect.hi{fill:#d43c2f}
.ch line{stroke:var(--line);stroke-width:1}
.ch text{fill:var(--ink-2);font-size:11px;font-family:inherit}
.ch text.u{font-size:10px}
details.datos{margin:6px 0 18px}details.datos summary{cursor:pointer;color:var(--brand);font-weight:700}
@media (max-width:640px){.kpis{grid-template-columns:1fr 1fr;gap:8px}.kpi b{font-size:1.15rem}.ch text{font-size:15px}}
/* Calculadoras de las guías */
.calc2{border:2px solid var(--brand);border-radius:16px;padding:18px;margin:22px 0;background:var(--bg)}
.calc2-in{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:12px 0}
.calc2-in label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--ink-2);font-weight:600}
.calc2-in input{font:inherit;font-size:1.1rem;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);width:100%;box-sizing:border-box}
.calc2-in input:focus{outline:2px solid var(--brand);border-color:var(--brand)}
@media (max-width:640px){.calc2-in{grid-template-columns:1fr 1fr}}
.img.ph{font-size:3.2rem;background:var(--soft)}