:root{
  --bg:#141414; --bg2:#1c1c1c; --bg3:#161616; --panel:#242424;
  --cream:#f5f1e8; --gold:#d4a24e; --muted:#8a857b; --border:#333; --seed:#a8d18a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--cream);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.spartan{font-family:"League Spartan",-apple-system,sans-serif;font-weight:700;letter-spacing:.5px}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:13px;letter-spacing:2px;color:var(--gold);text-transform:uppercase}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(20,20,20,.88);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.nav img{height:46px}
.nav .links a{color:var(--cream);opacity:.8;margin-left:20px;font-size:14px}
.nav .links a.cta{color:var(--gold);opacity:1;font-weight:700}
@media(max-width:560px){.nav .links a{margin-left:14px;font-size:13px}}

/* hero */
.hero{background:linear-gradient(160deg,#1c1c1c,#262320);padding:64px 0}
.hero .wrap{display:flex;gap:48px;align-items:center;flex-wrap:wrap}
.hero .copy{flex:1;min-width:280px}
.hero .logo{width:260px;max-width:80%;margin-bottom:8px}
.hero .tagline{font-size:24px;font-weight:600;margin:0 0 16px}
.hero p.lead{opacity:.85;font-size:16px;max-width:440px;margin:0 0 26px}
.free{color:var(--gold);font-weight:700}
.btns{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.btn{padding:13px 22px;border-radius:11px;font-weight:700;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-gold{background:var(--gold);color:#1c1c1c}
.btn-gold:hover{background:#e0b257;text-decoration:none}
.btn-ios{background:#000;color:#fff}
.btn-ios:hover{background:#222;text-decoration:none}
.btn-ghost{background:#2a2a2a;color:var(--muted);border:1px solid #3a3a3a;cursor:default}

/* phone */
.phone{width:230px;height:470px;border-radius:34px;border:7px solid #2a2a2a;flex:0 0 auto;
  padding:20px 16px;display:flex;flex-direction:column;justify-content:space-between;
  background-image:linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.78)),
    linear-gradient(135deg,#caa46a,#7a5a30);box-shadow:0 20px 50px rgba(0,0,0,.4)}
.phone .top{display:flex;justify-content:space-between;font-size:12px;opacity:.85}
.phone .verse{text-align:center}
.phone .verse p{font-style:italic;font-size:15px;line-height:1.5;margin:0}
.phone .verse .ref{font-size:11px;opacity:.75;margin-top:8px}
.phone .tabs{display:flex;justify-content:space-around;font-size:10px;color:var(--gold);opacity:.95}

/* sections */
section{padding:56px 0}
.center{text-align:center}
h2.title{font-size:26px;margin:6px 0 30px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.features{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.features{grid-template-columns:1fr}}
.feature{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}
.feature .ic{font-size:24px}
.feature b{display:block;margin:8px 0 4px;font-size:15px}
.feature p{margin:0;opacity:.72;font-size:13px}

/* screenshots */
.shots{display:flex;gap:16px;overflow-x:auto;padding:6px 0 16px;scroll-snap-type:x mandatory}
.shots img{height:420px;border-radius:18px;border:1px solid #2a2a2a;scroll-snap-align:center;
  box-shadow:0 14px 34px rgba(0,0,0,.35)}

/* eakon block */
.byeakon{background:var(--bg2);text-align:center}
.byeakon img{width:230px;margin:6px auto 10px}

/* footer */
footer{background:#0f0f0f;color:var(--muted);font-size:13px;padding:26px 0}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{color:var(--muted)}

/* support / legal */
.support-hero{background:linear-gradient(160deg,#1c1c1c,#262320);text-align:center;padding:56px 0 40px}
.support-hero img{width:120px;margin:0 auto 12px}
.contact-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;
  padding:30px;max-width:440px;margin:0 auto;text-align:center}
.contact-card .mail{font-size:30px}
.faq{max-width:680px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:4px 18px}
.faq summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:15px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--gold);font-weight:700;margin-right:10px}
.faq details[open] summary::before{content:"\2013"}
.faq p{margin:0 0 16px;opacity:.8;font-size:14px}
.legal{max-width:720px;margin:0 auto}
.legal h3{color:var(--gold);font-size:17px;margin:26px 0 6px}
.legal p,.legal li{opacity:.85;font-size:15px}
.summary-box{background:#23281f;border:1px solid #3a4a2e;border-radius:12px;padding:20px;margin-bottom:24px}
.summary-box b{color:var(--seed)}
.updated{opacity:.6;font-size:13px;margin-top:6px}

/* about */
.about{max-width:760px;margin:0 auto}
.about-hero{text-align:center;padding:46px 0 6px}
.about-hero img{width:240px;max-width:72%;margin:0 auto 8px}
.about-hero h1{font-size:34px;color:var(--gold);margin:6px 0 2px}
.about-hero .rule{width:74px;height:1px;background:var(--border);margin:14px auto 0}
.about-hero .rule-i{color:var(--gold);font-size:15px;margin-top:6px}
.about-row{display:flex;gap:18px;align-items:flex-start;padding:22px 2px;border-bottom:1px solid var(--border)}
.about-ic{flex:0 0 auto;width:58px;height:58px;border-radius:50%;border:1px solid #4a4330;
  background:#1b1a16;display:flex;align-items:center;justify-content:center;color:var(--gold)}
.about-ic svg{width:26px;height:26px}
.about-row p{margin:0;font-size:16px;line-height:1.75;opacity:.92}
.g{color:var(--gold);font-weight:600}
.about-quote{display:flex;align-items:center;gap:16px;border:1px solid #4a4022;border-radius:16px;
  background:#17150f;padding:24px 26px;margin:30px 0}
.about-quote .q{color:var(--gold);font-size:52px;line-height:.6;font-family:Georgia,serif;align-self:flex-start}
.about-quote p{margin:0;font-style:italic;font-size:18px;line-height:1.5}
.about-quote .qic{flex:0 0 auto;color:var(--gold);margin-left:auto}
.about-quote .qic svg{width:44px;height:44px}
.func-head{display:flex;align-items:center;gap:10px;color:var(--gold);letter-spacing:2px;
  font-size:13px;text-transform:uppercase;margin:36px 0 4px}
.func-head svg{width:18px;height:18px}
.func-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
@media(max-width:560px){.func-grid{grid-template-columns:1fr}}
.func-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--border)}
.func-item svg{width:22px;height:22px;color:var(--gold);flex:0 0 auto}
.func-item span{font-size:15px}

/* estudios: indice */
article{padding:48px 0}
.study-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.study-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:16px;overflow:hidden;color:var(--cream)}
.study-card:hover{border-color:#4a4330;text-decoration:none}
.study-card img,.study-card .st-nocover{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.st-nocover{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2a241a,#1c1c1c);color:var(--gold);font-family:Georgia,serif;font-size:28px;font-weight:800}
.study-card-b{padding:16px}
.study-card-b b{font-size:16px;display:block;margin-bottom:4px}
.study-card-b p{margin:0 0 10px;opacity:.75;font-size:14px}
.st-topic{background:#2a241a;color:var(--gold);border-radius:20px;padding:2px 10px;font-size:12px}
.st-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* estudios: lector */
.study{max-width:720px;margin:0 auto}
.st-hero{text-align:center;padding:8px 0 8px;border-bottom:1px solid var(--border);margin-bottom:26px}
.st-hero h1{font-size:30px;margin:8px 0 6px}
.st-sub{opacity:.8;font-size:17px;margin:0 0 12px}
.st-hero .st-meta{justify-content:center}
.study-body{font-size:17px;line-height:1.8}
.study-body p{margin:0 0 18px;opacity:.92}
.st-h{font-size:22px;margin:34px 0 10px}
.st-sh{font-size:18px;color:var(--gold);margin:24px 0 8px}
.st-part{margin:46px 0 12px;text-align:center}
.st-part-t{font-size:24px;margin:4px 0 0}
.st-key{background:#17150f;border:1px solid #4a4022;border-left:3px solid var(--gold);border-radius:12px;padding:18px 20px;margin:0 0 26px}
.st-key p{font-style:italic;font-size:18px;margin:0 0 8px}
.st-key span{color:var(--gold);font-size:13px;letter-spacing:.5px}
.st-scr{border-left:3px solid var(--gold);margin:0 0 18px;padding:4px 0 4px 18px}
.st-scr p{font-style:italic;margin:0 0 6px;opacity:.95}
.st-scr cite{color:var(--gold);font-size:13px;font-style:normal}
.st-ref-only{color:var(--gold);font-size:14px;margin:0 0 14px}
.st-author{border-top:1px solid var(--border);margin-top:34px;padding-top:20px;text-align:center;font-style:italic;opacity:.85}
.st-author span{display:block;margin-top:8px;color:var(--gold);font-style:normal;font-size:14px}
.st-back{margin-top:26px;text-align:center}
.st-cta{margin-top:42px;padding:26px 24px;background:#17150f;border:1px solid #3a3320;border-radius:16px;text-align:center}
.st-cta p{margin:0 0 16px;font-size:16px;opacity:.92}
@media(max-width:560px){.st-hero h1{font-size:25px}.study-body{font-size:16px}.st-part-t{font-size:21px}}

/* menu hamburguesa (puro CSS) */
.navtog{display:none}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--cream);border-radius:2px;transition:.25s}

/* responsive: tablet y celular */
@media(max-width:760px){
  .wrap{padding:0 18px}
  .nav .wrap{height:auto;min-height:60px;flex-wrap:wrap}
  .burger{display:flex}
  .nav .links{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;padding:4px 0 10px}
  .nav .links a{margin:0;padding:13px 2px;font-size:15px;border-top:1px solid var(--border)}
  .nav .links a.cta{color:var(--gold)}
  .navtog:checked ~ .links{display:flex}
  .navtog:checked ~ .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navtog:checked ~ .burger span:nth-child(2){opacity:0}
  .navtog:checked ~ .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero{padding:44px 0}
  .hero .wrap{gap:30px}
  .hero .logo{width:220px}
  .phone{margin:0 auto}
  section{padding:44px 0}
  h2.title{font-size:22px;margin:4px 0 24px}
  .about-hero{padding:32px 0 4px}
  .about-hero h1{font-size:28px}
  .about-row{gap:14px;padding:18px 0}
  .about-ic{width:48px;height:48px}
  .about-ic svg{width:22px;height:22px}
  .about-row p{font-size:15px}
  .about-quote p{font-size:16px}
  .shots img{height:340px}
  footer .wrap{justify-content:center;text-align:center;gap:6px}
}
@media(max-width:480px){
  .hero .tagline{font-size:21px}
  .about-quote{padding:18px;gap:12px}
  .about-quote .qic{display:none}
  .about-quote .q{font-size:42px}
  .func-grid{gap:0}
}