/* Neurozen — estilos de la landing */
:root{
  --gold:#B8873A;--gold-dark:#8E6526;--brown:#3E2F23;--cream:#F3EDE3;--cream-dark:#E8DFD0;
  --ink:#2E241B;--text:#4A3D31;--muted:#7D6E5F;--white:#FFFDF9;--line:rgba(62,47,35,.12);
  --radius:14px;--shadow:0 10px 30px -12px rgba(62,47,35,.25);
  --serif:'Marcellus',Georgia,serif;--sans:'Jost',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--cream);color:var(--text);font:400 17px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-dark)}
h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:.01em}
h1{font-size:clamp(2.3rem,5.4vw,3.7rem);text-transform:uppercase;letter-spacing:.03em}
h2{font-size:clamp(1.8rem,4vw,2.7rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
strong{color:var(--ink);font-weight:600}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.center{text-align:center;margin-left:auto;margin-right:auto}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.lead{font-size:1.15rem;color:var(--text)}
.eyebrow{font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-dark);font-weight:500;margin-bottom:.8em}
.section{padding:clamp(56px,9vw,104px) 0}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;background:linear-gradient(180deg,var(--gold),var(--gold-dark));color:#fff;border:0;border-radius:999px;padding:.85em 1.6em;font:500 1rem/1.2 var(--sans);letter-spacing:.04em;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,filter .15s;box-shadow:0 8px 20px -8px rgba(142,101,38,.7);min-height:48px}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(184,135,58,.45);outline-offset:2px}
.btn-lg{font-size:1.08rem;padding:1em 1.9em;min-height:56px}
.btn-sm{padding:.55em 1.2em;min-height:40px;font-size:.92rem}
.btn-block{width:100%}
.btn-ghost{background:transparent;color:var(--brown);border:1.5px solid var(--brown);box-shadow:none}
.btn-ghost:hover{background:var(--brown);color:#fff}
.btn-outline{background:var(--white);color:var(--gold-dark);border:1.5px solid var(--gold);box-shadow:none}
.btn-outline:hover{background:var(--gold);color:#fff}
.btn:disabled{opacity:.6;cursor:wait}

/* Encabezado */
.announce{background:var(--brown);color:#F3E6CF;text-align:center;font-size:.86rem;padding:8px 16px;letter-spacing:.02em}
.site-header{position:sticky;top:0;z-index:40;background:rgba(243,237,227,.92);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo img{height:34px;width:auto}
.logo .logo-word{height:16px}
.nav{display:none;gap:28px}
.nav a{color:var(--brown);text-decoration:none;font-size:.95rem;letter-spacing:.04em}
.nav a:hover{color:var(--gold-dark)}
@media (min-width:860px){.nav{display:flex}}

/* Hero */
.hero{padding:clamp(32px,6vw,72px) 0 clamp(40px,6vw,80px);background:radial-gradient(ellipse at 80% 20%,#FBF7F0 0,transparent 60%),var(--cream)}
.hero-grid{display:grid;gap:36px;align-items:center}
.hero-media img{border-radius:22px;box-shadow:0 30px 60px -30px rgba(62,47,35,.45);aspect-ratio:680/974;max-height:600px;object-fit:cover;width:100%}
.hero h1{color:var(--gold-dark);background:linear-gradient(180deg,#C8994A,#8E6526);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lead{max-width:34ch}
.hero-price{font-size:1.05rem;margin:.4em 0 1.4em}
.hero-price strong{font-size:1.4rem;color:var(--ink)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.92rem;color:var(--muted)}
.hero-badges li{display:flex;align-items:center;gap:6px}
.hero-badges svg{color:var(--gold)}
@media (min-width:900px){.hero-grid{grid-template-columns:1.15fr .85fr}}
@media (max-width:899px){.hero-media{order:-1}.hero-media img{max-height:250px;object-position:50% 60%}.hero{padding-top:20px}.hero .lead{font-size:1.05rem}.cta-row .btn{flex:1 1 220px}}

/* Confianza */
.trust{background:var(--white);border-block:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding-block:22px}
.trust-item{display:flex;gap:12px;align-items:center}
.trust-item svg{color:var(--gold);flex:none}
.trust-item strong{display:block;font-size:.96rem;line-height:1.2}
.trust-item span{font-size:.85rem;color:var(--muted)}
@media (min-width:860px){.trust-grid{grid-template-columns:repeat(4,1fr)}}

/* Problema */
.pain-list{list-style:none;padding:0;margin:28px auto;display:grid;gap:12px;text-align:left;max-width:560px}
.pain-list li{display:flex;gap:14px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
.pain-x{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#F1E3DF;color:#9A4B3B;flex:none}

/* Solución */
.solution{background:var(--white)}
.split{display:grid;gap:40px;align-items:center}
.split-top{align-items:start}
.split-media img{border-radius:20px;box-shadow:var(--shadow);width:100%;aspect-ratio:1200/697;object-fit:cover}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr;gap:64px}}
.compare{display:grid;gap:8px;margin-top:24px}
.compare-row{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;border-radius:12px;background:var(--cream);font-size:.95rem}
.compare-row span:last-child{color:var(--muted);text-align:right}
.compare-row.is-featured{background:linear-gradient(180deg,#F7EBD3,#EFDDBA);border:1px solid rgba(184,135,58,.45);font-weight:500}
.compare-row.is-featured span{color:var(--ink)}

/* Beneficios */
.benefit-grid{display:grid;gap:18px;margin:40px 0}
@media (min-width:640px){.benefit-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.benefit-grid{grid-template-columns:repeat(3,1fr)}}
.benefit{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.benefit-icon{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--cream);color:var(--gold-dark);margin-bottom:16px}
.benefit p{margin:0;color:var(--muted)}

/* Cómo tomar */
.how{background:var(--cream-dark)}
.steps{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:22px}
.steps li{display:flex;gap:18px}
.step-n{flex:none;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-size:1.3rem;color:#fff;background:linear-gradient(180deg,var(--gold),var(--gold-dark))}
.steps p{margin:.2em 0 0;color:var(--muted)}

/* Precios */
.offer{background:radial-gradient(ellipse at 50% 0,#FBF6EC 0,transparent 70%),var(--cream)}
.stock-note{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:#8A4A2F;background:#F6E4D9;border-radius:999px;padding:6px 14px}
.dot{width:8px;height:8px;border-radius:50%;background:#C0583A;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.pkg-grid{display:grid;gap:20px;margin:40px 0 24px;align-items:stretch}
@media (min-width:880px){.pkg-grid{grid-template-columns:repeat(3,1fr)}}
.pkg{position:relative;background:var(--white);border:1px solid var(--line);border-radius:18px;padding:32px 26px 26px;display:flex;flex-direction:column;text-align:center}
.pkg.is-best{border:2px solid var(--gold);box-shadow:0 24px 50px -24px rgba(142,101,38,.55)}
@media (min-width:880px){.pkg.is-best{transform:scale(1.04)}}
@media (max-width:879px){.pkg.is-best{order:-1}}
.pkg-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--brown);color:#F3E6CF;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;padding:6px 14px;border-radius:999px;white-space:nowrap}
.pkg.is-best .pkg-badge{background:linear-gradient(180deg,var(--gold),var(--gold-dark));color:#fff}
.pkg-price{display:flex;align-items:baseline;justify-content:center;gap:10px;margin:10px 0 2px}
.pkg-price s{color:var(--muted);font-size:1.05rem}
.pkg-price strong{font-family:var(--serif);font-weight:400;font-size:2.6rem;line-height:1}
.unit{color:var(--gold-dark);margin:0 0 6px}
.pkg-list{list-style:none;padding:0;margin:16px 0 24px;display:grid;gap:8px;text-align:left;flex:1;align-content:start}
.pkg-list li{display:flex;align-items:center;gap:8px;font-size:.95rem}
.pkg-list svg{color:var(--gold)}
.offer-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 32px;font-size:.92rem;color:var(--muted);margin-bottom:32px}
.offer-meta span{display:flex;align-items:center;gap:8px}
.offer-meta svg{color:var(--gold)}
.guarantee{display:flex;gap:20px;align-items:center;max-width:760px;margin:0 auto}
.guarantee>svg{color:var(--gold);flex:none}
.guarantee p{margin:0;color:var(--muted)}
@media (max-width:560px){.guarantee{flex-direction:column;text-align:center}}

/* Testimonios */
.testi-grid{display:grid;gap:18px;margin-top:32px}
@media (min-width:860px){.testi-grid{grid-template-columns:repeat(3,1fr)}}
.testi{margin:0}
.stars{display:flex;gap:2px;color:var(--gold);margin-bottom:10px}
.testi blockquote{margin:0 0 14px;font-size:1rem}
.testi figcaption{font-size:.9rem;color:var(--muted)}

/* FAQ */
.faq{background:var(--white)}
.faq-list{margin-top:28px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:500;color:var(--ink);position:relative;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';position:absolute;right:8px;top:50%;width:10px;height:10px;border-right:1.6px solid var(--gold-dark);border-bottom:1.6px solid var(--gold-dark);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq details p{margin:0 0 20px;color:var(--muted)}

/* Blog */
.post-grid{display:grid;gap:20px;margin-top:32px}
@media (min-width:760px){.post-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}
.post-card{padding:0;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform .2s}
.post-card:hover{transform:translateY(-3px)}
.post-card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.post-card>div{padding:20px 22px}
.post-card h3{font-size:1.15rem}
.article{padding:48px 0 80px}
.article h1{font-size:clamp(1.9rem,4.5vw,2.8rem);text-transform:none;letter-spacing:.01em;color:var(--ink);background:none;-webkit-text-fill-color:currentColor}
.article .hero-img{border-radius:18px;margin:28px 0;aspect-ratio:16/9;object-fit:cover;width:100%}
.article-body h2{font-size:1.6rem;margin-top:1.6em}
.article-cta{margin-top:48px;text-align:center}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}

/* CTA final */
.final-cta{background:linear-gradient(180deg,#46362A,#2E241B);color:#E9DCC6;padding:clamp(64px,10vw,110px) 0}
.final-cta img{margin:0 auto 18px}
.final-cta h2{color:#F3E6CF}
.final-cta .lead{color:#D9C8AE}

/* Pie */
.site-footer{background:#271E16;color:#C9B89F;padding:56px 0 24px;font-size:.95rem}
.footer-grid{display:grid;gap:32px}
@media (min-width:760px){.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
.site-footer h3{color:#F3E6CF;font-size:1.05rem;letter-spacing:.08em;text-transform:uppercase;font-family:var(--sans);font-weight:500}
.site-footer a{color:#E4D3B6;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-brand{font-family:var(--serif);color:#F3E6CF;font-size:1.4rem;letter-spacing:.12em;text-transform:uppercase;margin:10px 0 0}
.site-footer .muted{color:#9F8E77}
.contact-list,.link-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.contact-list li{display:flex;gap:10px;align-items:center}
.contact-list svg{color:var(--gold);flex:none}
.legal-note{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:.82rem;color:#9F8E77}
.legal-note p{margin:0 0 6px}
.legal-page{padding:48px 0 80px}

/* WhatsApp flotante y barra móvil */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:50;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -6px rgba(0,0,0,.35);transition:transform .2s,bottom .25s}
.wa-float:hover{transform:scale(1.06)}
.sticky-buy{position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -10px 24px -14px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 88px 10px 18px;transform:translateY(110%);transition:transform .25s}
.sticky-buy.show{transform:none}
.sticky-buy strong{display:block;font-family:var(--serif);font-weight:400;letter-spacing:.08em;text-transform:uppercase;font-size:.95rem}
.sticky-buy span{font-size:.82rem;color:var(--muted)}
@media (min-width:880px){.sticky-buy{display:none}}
@media (max-width:879px){body:has(.sticky-buy.show) .wa-float{bottom:84px}}

/* Modal de pedido */
.order-modal{border:0;border-radius:20px;padding:0;width:min(480px,calc(100% - 24px));max-height:calc(100dvh - 24px);background:var(--white);color:var(--text);box-shadow:0 40px 80px -20px rgba(0,0,0,.5)}
.order-modal::backdrop{background:rgba(39,30,22,.55);backdrop-filter:blur(3px)}
.order-body,.order-ok{padding:32px 26px 26px}
.order-ok{text-align:center}
.order-ok h2{font-size:1.5rem}
.ok-icon{width:76px;height:76px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;background:#EAF3E6;color:#3F7A3A}
.modal-close-form{position:absolute;top:10px;right:10px;margin:0}
.modal-close{background:transparent;border:0;cursor:pointer;color:var(--muted);padding:8px;border-radius:50%}
.modal-close:hover{background:var(--cream)}
.order-summary{display:flex;justify-content:space-between;background:var(--cream);border-radius:12px;padding:14px 16px;margin:6px 0 18px}
#orderForm{display:grid;gap:12px}
#orderForm label{display:grid;gap:4px;font-size:.88rem;font-weight:500;color:var(--ink)}
#orderForm input:not([type=checkbox]){font:inherit;font-size:16px;padding:12px 14px;border:1px solid #D7CBB8;border-radius:10px;background:#fff;color:var(--ink);width:100%}
#orderForm input:focus{border-color:var(--gold)}
#orderForm .two{display:grid;grid-template-columns:2fr 1fr;gap:10px}
#orderForm .check{display:flex;gap:8px;align-items:center;font-weight:400;color:var(--muted)}
.hp{position:absolute!important;left:-9999px!important;height:1px;overflow:hidden}
.form-error{color:#A2402C;font-size:.9rem;margin:0;min-height:1.2em}

/* Animación */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.pkg.is-best.reveal.in{transform:none}
@media (min-width:880px){.pkg.is-best.reveal.in{transform:scale(1.04)}}