:root{
  --cream:#fbf4e6; --paper:#fffaf0; --beige:#ecdcc0; --ink:#2b1d12; --muted:#6f6052;
  --brown:#5c341a; --brown-d:#2a170b; --mustard:#d6a028; --mustard-l:#f2c552; --green-d:#11261d;
  --line:#e2d2b4; --radius:16px;
  --serif:"Fraunces", "Iowan Old Style", Georgia, serif;
  --sans:"Inter", "Segoe UI", system-ui, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:19px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--serif);font-weight:800;line-height:1.08;letter-spacing:-.015em;margin:0 0 .4em}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brown)}
.eyebrow.gold{color:var(--mustard-l)}
em.accent{font-style:italic;color:var(--brown);font-weight:700}

/* barra de anuncio */
.announce{background:var(--brown);color:#fff;text-align:center;font-size:15px;font-weight:600;padding:10px 16px;letter-spacing:.02em}
.announce b{color:var(--mustard-l)}

/* cabecera */
.header{position:sticky;top:0;z-index:20;background:rgba(251,244,230,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:48px;height:48px;border-radius:50%;border:3px solid var(--mustard)}
.brand strong{font-family:var(--serif);font-size:20px;display:block;line-height:1.1}
.brand small{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav{margin-left:auto;display:flex;gap:26px;font-size:16px;font-weight:600}
.nav a{text-decoration:none}
.nav a:hover{color:var(--brown)}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;border-radius:999px;padding:16px 30px;font-size:18px;transition:transform .15s, box-shadow .15s;border:2px solid transparent;cursor:pointer;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn-brown{background:var(--brown);color:#fff;box-shadow:0 8px 20px rgba(92,52,26,.28)}
.btn-outline{border-color:var(--brown);color:var(--brown);background:transparent}
.btn-gold{background:linear-gradient(180deg,var(--mustard-l),var(--mustard));color:#2a170b;box-shadow:0 0 0 4px rgba(242,197,82,.18),0 10px 30px rgba(242,197,82,.35)}
.btn-small{padding:11px 20px;font-size:15px;white-space:nowrap}
.btn-block{width:100%}

/* hero */
.hero{position:relative;text-align:center;padding:64px 0 30px;overflow:hidden}
.hero .watermark{position:absolute;right:-40px;top:-30px;font-family:var(--serif);font-size:420px;font-weight:900;color:rgba(92,52,26,.06);line-height:1;pointer-events:none;user-select:none}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:6px 16px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brown)}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mustard)}
.hero h1{font-size:clamp(42px,6.4vw,76px);margin:22px auto 18px;max-width:900px}
.hero h1 em{display:block;font-style:italic;color:var(--brown)}
.hero p.lead{max-width:760px;margin:0 auto;font-size:21px;color:var(--muted)}

/* tarjetas de precio */
.cards{display:grid;grid-template-columns:1fr 1.18fr 1fr;gap:24px;align-items:center;padding:46px 0 20px}
.card{text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(60,35,15,.07);position:relative}
.card .shot{background:#f3e7cf;border-radius:12px;padding:10px;margin-bottom:18px}
.card .shot img{margin:0 auto;max-height:330px;width:auto}
.card h3{font-size:27px}
.card p{font-size:17px;color:var(--muted);margin:0 0 14px}
.card.featured{border:2px solid var(--brown);padding:30px 28px;box-shadow:0 20px 50px rgba(60,35,15,.16)}
.ribbon{position:absolute;top:-17px;left:50%;transform:translateX(-50%);background:var(--brown);color:#fff;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:7px 18px;border-radius:999px;white-space:nowrap}
.price{font-family:var(--serif);font-weight:900;font-size:50px;line-height:1;margin:6px 0 4px}
.card.featured .price{font-size:62px;color:var(--brown)}
.save{font-size:15px;font-weight:700;color:var(--brown);margin-bottom:12px}
.checks{list-style:none;padding:0;margin:14px 0 20px;font-size:17px}
.checks li{position:relative;padding-left:32px;margin:8px 0}
.checks li::before{content:"✓";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:#efe2c6;color:var(--brown);font-size:13px;font-weight:800;display:grid;place-items:center}
.micro{font-size:14px;color:var(--muted);text-align:center;margin-top:10px}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 30px;font-size:15px;font-weight:600;color:var(--muted);padding:12px 0 60px}
.trust span::before{content:"•";color:var(--mustard);margin-right:8px}

/* banda de cifras */
.stats{background:var(--brown-d);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats div.s{padding:30px 10px;border-left:1px solid rgba(255,255,255,.14)}
.stats div.s:first-child{border-left:0}
.stats b{display:block;font-family:var(--serif);font-size:44px;line-height:1.1;color:var(--mustard-l)}
.stats small{font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;opacity:.85}

/* nota de Walt */
.author{background:var(--beige);padding:84px 0}
.author .wrap{display:grid;grid-template-columns:330px 1fr;gap:56px;align-items:start}
.author .photos img{border-radius:6px;box-shadow:0 14px 34px rgba(40,22,8,.25);margin-bottom:22px}
.author .eyebrow::before{content:"";display:inline-block;width:30px;height:2px;background:var(--brown);vertical-align:middle;margin-right:10px}
.author blockquote{font-family:var(--serif);font-weight:800;font-size:clamp(32px,4vw,50px);line-height:1.1;margin:14px 0 26px}
.author p{color:#4a3a2c;margin:0 0 16px}
.sign{font-family:var(--serif);font-style:italic;font-weight:700;font-size:32px;color:var(--brown)}

/* bloques oscuros de producto */
.dark{color:#fff;padding:84px 0}
.dark.brown{background:radial-gradient(ellipse at 70% 40%,#4a2912 0%,#1d0f06 70%)}
.dark.green{background:radial-gradient(ellipse at 30% 40%,#1d3d2f 0%,#0a1812 70%)}
.dark .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.dark.green .wrap{grid-template-columns:.9fr 1.1fr}
.dark h2{font-size:clamp(38px,5vw,60px);color:#fff}
.dark h2 + .sub{font-family:var(--serif);font-style:italic;font-weight:700;font-size:clamp(24px,3vw,34px);line-height:1.2;color:var(--mustard-l);margin:0 0 20px}
.dark p{color:rgba(255,255,255,.88)}
.buyrow{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:26px 0 10px}
.buyrow .price{color:var(--mustard-l);font-size:60px}
.fine{font-size:14px;color:rgba(255,255,255,.65)}
.trustline{display:flex;gap:20px;flex-wrap:wrap;font-size:15px;margin:14px 0}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chips span{border:1px solid var(--mustard);color:#fff;border-radius:999px;padding:6px 14px;font-size:14px;font-weight:700}
.dark figure{margin:0;text-align:center}
.dark figcaption{font-family:var(--serif);color:rgba(255,255,255,.55);font-size:15px;margin-top:10px}

/* índice */
.section{padding:84px 0}
.center{text-align:center}
.section h2{font-size:clamp(34px,4.4vw,52px)}
.section .intro{max-width:740px;margin:0 auto 40px;color:var(--muted);font-size:20px}
.toc{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.toc .book{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.toc h3{font-size:28px;display:flex;gap:14px;align-items:center}
.toc h3 img{width:64px;border-radius:4px;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.toc ol{list-style:none;padding:0;margin:16px 0 0;counter-reset:c}
.toc li{display:grid;grid-template-columns:44px 1fr;gap:6px;padding:12px 0;border-top:1px dashed var(--line);font-size:17px}
.toc li b{font-family:var(--serif);color:var(--brown);font-size:20px}
.toc li span small{display:block;color:var(--muted);font-size:15px}

/* para quién */
.who{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.who .grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}
.who .box{border-radius:var(--radius);padding:30px;border:1px solid var(--line);background:var(--cream)}
.who .box h3{font-size:26px}
.who ul{padding-left:0;list-style:none;margin:0}
.who li{padding:9px 0 9px 34px;position:relative}
.who .yes li::before{content:"✓";position:absolute;left:0;color:#2f6b3a;font-weight:900}
.who .no li::before{content:"✕";position:absolute;left:0;color:#9b3b1f;font-weight:900}

/* pack */
.pack .wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.pack .total{font-size:20px;margin:16px 0}
.pack .total s{color:var(--muted)}
.pack .total b{font-family:var(--serif);font-size:48px;color:var(--brown);margin-left:10px}

/* reseñas / garantía */
.reviews{background:var(--beige);padding:60px 0;text-align:center}
.reviews .empty{max-width:640px;margin:20px auto 0;border:2px dashed #c9b28a;border-radius:var(--radius);padding:30px;color:#4a3a2c}
.guarantee{padding:70px 0}
.guarantee .g{display:grid;grid-template-columns:150px 1fr;gap:34px;align-items:center;max-width:880px;margin:0 auto;background:var(--paper);border:2px solid var(--mustard);border-radius:22px;padding:34px}
.badge{width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,var(--mustard-l),var(--mustard));display:grid;place-items:center;text-align:center;font-family:var(--serif);font-weight:900;color:var(--brown-d);box-shadow:inset 0 0 0 6px rgba(255,255,255,.35),0 10px 26px rgba(150,100,10,.3)}
.badge b{display:block;font-size:52px;line-height:.9}
.badge small{font-size:14px;letter-spacing:.08em;font-family:var(--sans);font-weight:800}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;margin:12px 0;padding:0 24px}
.faq summary{cursor:pointer;list-style:none;font-weight:700;font-size:20px;padding:20px 30px 20px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:30px;color:var(--brown);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 20px;color:#4a3a2c}

/* CTA final + pie */
.final{background:var(--brown-d);color:#fff;text-align:center;padding:76px 0}
.final h2{color:#fff;font-size:clamp(36px,4.6vw,56px)}
.final p{color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 26px}
.final .two{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.final .btn-outline{border-color:var(--mustard-l);color:var(--mustard-l)}
footer{background:#170c05;color:rgba(255,255,255,.7);font-size:15px;padding:36px 0;text-align:center}
footer a{color:rgba(255,255,255,.85)}
footer .disc{font-size:13px;opacity:.75;max-width:760px;margin:10px auto 0}

/* barra fija móvil */
.stickybar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--brown-d);color:#fff;display:none;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;box-shadow:0 -6px 20px rgba(0,0,0,.25)}
.stickybar span{font-size:15px;line-height:1.3}
.stickybar b{color:var(--mustard-l);font-size:20px}

/* popup de salida */
.modal{position:fixed;inset:0;z-index:50;background:rgba(20,10,4,.72);display:none;align-items:center;justify-content:center;padding:16px}
.modal.open{display:flex;animation:fade .25s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal .box{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;max-width:880px;width:100%;background:var(--paper);border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.modal .art{background:radial-gradient(ellipse at 50% 40%,#4a2912,#160b04 75%);display:grid;place-items:center;padding:30px}
.modal .art img{max-height:380px;width:auto}
.modal .copy{padding:40px 36px}
.modal h2{font-size:42px;margin:8px 0 10px}
.modal .close{position:absolute;top:10px;right:14px;background:none;border:0;font-size:34px;color:var(--muted);cursor:pointer;line-height:1}
.peel{position:relative;height:96px;margin:20px 0 6px;border:2px dashed var(--brown);border-radius:12px;display:grid;place-items:center;background:#fff7e3}
.peel .code{font-family:var(--serif);font-weight:900;font-size:40px;letter-spacing:.12em;color:var(--brown)}
.seal{position:absolute;inset:-2px;border:0;border-radius:12px;cursor:pointer;background:linear-gradient(135deg,var(--mustard-l),var(--mustard) 55%,#b9861b);color:var(--brown-d);font:800 15px var(--sans);letter-spacing:.1em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;justify-content:center;transform-origin:100% 0;transition:transform .7s cubic-bezier(.5,-.2,.6,1),opacity .7s;box-shadow:0 6px 16px rgba(120,80,10,.3)}
.seal small{font-size:12px;opacity:.8;margin-top:4px}
.seal::after{content:"";position:absolute;right:0;top:0;width:34px;height:34px;background:linear-gradient(225deg,var(--cream) 50%,#c79a2c 50%);border-radius:0 12px 0 0}
.seal.peeled{transform:rotate(-24deg) translate(40%,-120%);opacity:0;pointer-events:none}
.peelnote{font-size:14px;color:var(--muted);margin:0 0 16px}

/* responsive */
@media (max-width:980px){
  .cards{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .card.featured{order:-1}
  .dark .wrap,.dark.green .wrap,.pack .wrap,.author .wrap,.toc,.who .grid{grid-template-columns:1fr}
  .dark.green figure{order:-1}
  .author .photos{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .author .photos img{margin:0}
  .nav{display:none}
}
@media (max-width:720px){
  body{font-size:18px}
  .wrap{padding:0 16px}
  .header .wrap{height:66px}
  .brand small{display:none}
  .brand strong{font-size:17px}
  .brand img{width:40px;height:40px}
  .header .btn{padding:10px 14px;font-size:14px}
  .hero{padding:40px 0 10px}
  .hero .watermark{font-size:260px}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stats div.s:nth-child(3){border-left:0}
  .stats div.s{border-top:1px solid rgba(255,255,255,.1)}
  .dark,.section,.author{padding:56px 0}
  .guarantee .g{grid-template-columns:1fr;text-align:center;justify-items:center}
  .stickybar{display:flex}
  footer{padding-bottom:110px}
  .modal .box{grid-template-columns:1fr}
  .modal .art{padding:18px}
  .modal .art img{max-height:170px}
  .modal .copy{padding:24px 22px}
  .modal h2{font-size:32px}
  .seal{font-size:13px;letter-spacing:.06em;padding:0 34px 0 12px}
  .modal .btn{font-size:17px;padding:14px 18px}
  .buyrow .price{font-size:52px}
}