/* MareNova Editorial · sistema de diseño "editorial clara" */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --paper:#F7F3EC;      /* fondo principal, marfil cálido */
  --paper-2:#EFE7DA;    /* secciones alternas */
  --card:#FFFDF9;       /* tarjetas */
  --ink:#141A2E;        /* texto, azul noche */
  --ink-2:#3B4258;
  --muted:#6E685F;
  --line:rgba(20,26,46,0.10);
  --gold:#A9822F;       /* dorado con contraste sobre claro */
  --gold-2:#C9A24C;
  --gold-soft:#EAD9AE;
  --night:#0B0E20;
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,26,46,.04),0 12px 32px -12px rgba(20,26,46,.16);
  --shadow-book:0 2px 6px rgba(20,26,46,.12),0 30px 60px -18px rgba(20,26,46,.45),0 50px 90px -30px rgba(169,130,47,.35);
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--gold-soft)}

/* ── Layout ── */
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.section{padding:120px 0}
.alt{background:var(--paper-2)}
.white{background:var(--card)}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:11px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.eyebrow.c{justify-content:center}
.h1{font-family:var(--serif);font-weight:500;font-size:clamp(76px,11vw,148px);line-height:.92;letter-spacing:-.01em}
.h2{font-family:var(--serif);font-weight:500;font-size:clamp(36px,4.4vw,58px);line-height:1.08;letter-spacing:-.005em}
.h2 em,.h1 em{font-style:italic;color:var(--gold)}
.lead{font-family:var(--serif);font-size:clamp(20px,2vw,24px);line-height:1.55;color:var(--ink-2)}
.body{font-size:17px;line-height:1.85;color:var(--ink-2)}
.body+.body{margin-top:18px}
.body strong{color:var(--ink);font-weight:600}
.center{text-align:center}
.head{max-width:720px;margin:0 auto 64px;text-align:center}
.head .h2{margin-top:18px}
.head p{margin-top:18px}

/* ── Botones ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 30px;border-radius:999px;font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.02em;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff;box-shadow:0 10px 24px -10px rgba(20,26,46,.6)}
.btn-ink:hover{background:#232b45}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 10px 24px -10px rgba(169,130,47,.7)}
.btn-gold:hover{background:#94702a}
.btn-line{border-color:rgba(20,26,46,.25);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink);background:rgba(20,26,46,.04)}
.btn small{font-weight:400;opacity:.75}
.link{color:var(--gold);font-weight:600;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:2px}

/* ── Nav ── */
.nav{position:sticky;top:0;z-index:100;background:rgba(247,243,236,.82);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;text-decoration:none}
.logo span{color:var(--gold)}
.nav ul{display:flex;align-items:center;gap:34px;list-style:none}
.nav ul a{font-size:14px;font-weight:500;color:var(--ink-2);text-decoration:none}
.nav ul a:hover{color:var(--ink)}
.nav ul a.btn-ink,.nav ul a.btn-ink:hover{color:#fff}
.nav .btn{padding:11px 22px;font-size:13px}

/* ── Hero ── */
.hero{position:relative;overflow:hidden;padding:72px 0 110px}
.hero::before{content:"";position:absolute;right:-10%;top:-20%;width:70vw;height:70vw;max-width:900px;max-height:900px;background:radial-gradient(circle,rgba(201,162,76,.22),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.hero .h1{margin:22px 0 10px}
.hero .sub{font-family:var(--serif);font-style:italic;font-size:clamp(26px,3vw,38px);color:var(--ink-2);margin-bottom:28px}
.hero .lead{max-width:540px;margin-bottom:36px}
.hero .lead strong{color:var(--ink);font-weight:600}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;font-size:13px;color:var(--muted)}
.meta span{display:inline-flex;align-items:center;gap:8px}
.meta span::before{content:"✦";color:var(--gold);font-size:10px}
.stage{display:flex;justify-content:center;perspective:1200px}
.book{position:relative;width:min(360px,72vw);transform:rotateY(-10deg) rotateX(2deg);transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.book:hover{transform:rotateY(-2deg) rotateX(0) translateY(-6px)}
.book img{width:100%;border-radius:4px 8px 8px 4px;box-shadow:var(--shadow-book)}
.book::after{content:"";position:absolute;inset:0 auto 0 0;width:16px;border-radius:4px 0 0 4px;background:linear-gradient(90deg,rgba(0,0,0,.35),rgba(255,255,255,.12) 60%,transparent)}
.badge{position:absolute;top:-14px;right:-14px;z-index:2;width:92px;height:92px;border-radius:50%;background:var(--gold);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;line-height:1.3;text-align:center;box-shadow:0 12px 30px -10px rgba(169,130,47,.8);transform:rotate(10deg)}
.badge b{font-family:var(--serif);font-size:26px;letter-spacing:0;font-weight:600}

/* ── Franja de confianza ── */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
.trust .wrap{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;padding-top:22px;padding-bottom:22px;font-size:13px;font-weight:500;letter-spacing:.06em;color:var(--muted)}
.trust b{color:var(--ink);font-weight:600}

/* ── Franja noche ── */
.night{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:130px 0;text-align:center}
.night canvas{position:absolute;inset:0;width:100%;height:100%}
.night::after{content:"";position:absolute;left:50%;bottom:-50%;transform:translateX(-50%);width:90vw;height:70%;background:radial-gradient(ellipse,rgba(232,170,80,.28),transparent 65%);pointer-events:none}
.night .wrap{position:relative;z-index:1}
.night blockquote{font-family:var(--serif);font-style:italic;font-weight:400;font-size:clamp(32px,4.8vw,62px);line-height:1.18;max-width:980px;margin:0 auto}
.night cite{display:block;margin-top:32px;font-style:normal;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold-soft)}

/* ── Tarjetas ── */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 1px 2px rgba(20,26,46,.04),0 24px 48px -16px rgba(20,26,46,.22)}
.card .n{font-family:var(--serif);font-size:15px;font-weight:600;color:var(--gold);letter-spacing:.12em}
.card h3{font-family:var(--serif);font-weight:600;font-size:27px;line-height:1.2;margin:14px 0 10px}
.card p{font-size:15px;line-height:1.75;color:var(--ink-2)}

/* ── Libros (catálogo) ── */
.books{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.bk{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-decoration:none;transition:transform .3s,box-shadow .3s}
.bk:hover{transform:translateY(-6px);box-shadow:0 1px 2px rgba(20,26,46,.04),0 28px 56px -18px rgba(20,26,46,.28)}
.bk-cover{display:flex;justify-content:center;align-items:center;padding:44px 0 36px;background:linear-gradient(180deg,var(--paper-2),var(--paper))}
.bk-cover img{width:58%;border-radius:3px 6px 6px 3px;box-shadow:0 2px 6px rgba(20,26,46,.12),0 22px 40px -14px rgba(20,26,46,.45)}
.bk-body{padding:28px 30px 32px;display:flex;flex-direction:column;flex:1}
.bk-tag{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.bk h3{font-family:var(--serif);font-weight:600;font-size:30px;line-height:1.12;margin:10px 0 10px}
.bk p{font-size:15px;line-height:1.7;color:var(--ink-2);flex:1}
.bk-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.bk-price{font-family:var(--serif);font-size:22px;font-weight:600}
.bk-price small{font-family:var(--sans);font-size:12px;color:var(--muted);font-weight:400}
.bk-go{font-size:14px;font-weight:600;color:var(--gold)}
.ribbon{position:absolute;top:18px;left:18px;background:var(--ink);color:#fff;font-size:10px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;padding:7px 12px;border-radius:999px}

/* ── Autor ── */
.author{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center}
.author-photo{position:relative}
.author-photo img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.author-photo::before{content:"";position:absolute;inset:24px -24px -24px 24px;border:1px solid var(--gold-soft);border-radius:var(--radius);z-index:-1}
.author .h2{margin:18px 0 24px}
.author .actions{margin-top:30px}

/* ── Sinopsis / dos columnas ── */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:88px;align-items:start}
.split .h2{margin-top:18px;position:sticky;top:110px}

/* ── Extracto como página de libro ── */
.page{max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:72px 80px;box-shadow:var(--shadow);position:relative}
.page .chap{text-align:center;font-size:11px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--gold)}
.page h3{text-align:center;font-family:var(--serif);font-weight:500;font-size:clamp(32px,3.6vw,44px);margin:10px 0 8px}
.page .orn{text-align:center;color:var(--gold);margin-bottom:36px}
.page p{font-family:var(--serif);font-size:21px;line-height:1.75;color:#2a2f40;margin-bottom:18px}
.page .fade p:first-child::first-letter{float:left;font-size:76px;line-height:.82;padding:8px 10px 0 0;color:var(--gold);font-weight:600}
.page .big{font-style:italic;text-align:center;font-size:30px;color:var(--ink);margin:36px 0}
.page .fade{position:relative;max-height:420px;overflow:hidden}
.page .fade::after{content:"";position:absolute;left:0;right:0;bottom:0;height:160px;background:linear-gradient(transparent,var(--card))}
.page .more{text-align:center;margin-top:12px}
.page .more p{font-family:var(--sans);font-size:15px;color:var(--muted);margin-bottom:22px}

/* ── Índice ── */
.toc{list-style:none;columns:2;column-gap:56px}
.toc li{break-inside:avoid;display:flex;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:21px}
.toc li span{font-family:var(--sans);font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--gold);min-width:24px}

/* ── Comprar ── */
.buy{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:920px;margin:0 auto}
.offer{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:44px 40px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.offer.best{border:2px solid var(--gold);position:relative}
.offer.best::before{content:"Recomendado";position:absolute;top:-13px;left:40px;background:var(--gold);color:#fff;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.offer .kind{font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.offer h3{font-family:var(--serif);font-weight:600;font-size:34px;margin:8px 0 4px}
.offer .price{font-family:var(--serif);font-size:54px;font-weight:600;line-height:1;margin:14px 0 6px}
.offer .price small{font-family:var(--sans);font-size:15px;font-weight:500;color:var(--muted)}
.offer ul{list-style:none;margin:20px 0 32px;flex:1}
.offer li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);padding:9px 0;border-bottom:1px solid var(--line)}
.offer li::before{content:"✓";color:var(--gold);font-weight:700}
.offer .btn{width:100%}
.offer .alt-link{text-align:center;margin-top:14px;font-size:13px;color:var(--muted)}
.offer .alt-link a{color:var(--ink);font-weight:500}
.fine{text-align:center;margin-top:40px;font-size:13px;color:var(--muted)}

/* ── Manifiesto + cifras ── */
.manifesto blockquote{font-family:var(--serif);font-style:italic;font-weight:500;font-size:clamp(34px,5vw,64px);line-height:1.18;text-align:center;max-width:900px;margin:0 auto}
.manifesto blockquote em{color:var(--gold)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:820px;margin:72px auto 0}
.stat{text-align:center;padding:28px 12px;border-top:1px solid var(--line)}
.stat b{display:block;font-family:var(--serif);font-weight:600;font-size:clamp(46px,5vw,64px);line-height:1}
.stat span{display:block;margin-top:10px;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* ── Footer ── */
.footer{background:var(--paper-2);border-top:1px solid var(--line);padding:72px 0 36px}
.footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}
.footer p{font-size:14px;color:var(--muted);line-height:1.7;max-width:300px;margin-top:14px}
.footer h4{font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.footer a{display:block;font-size:14px;color:var(--ink-2);text-decoration:none;margin-bottom:10px}
.footer a:hover{color:var(--gold)}
.footer .bottom{grid-column:1/-1;display:flex;justify-content:space-between;gap:16px;padding-top:28px;margin-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ── Barra fija de compra (móvil) ── */
.sticky{display:none}

/* ── Animación al hacer scroll ── */
.rv{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}

@media(max-width:960px){
  .wrap{padding:0 20px}
  .section{padding:84px 0}
  .nav .wrap{height:64px}
  .nav ul{gap:16px}
  .nav ul li.hm{display:none}
  .hero{padding:32px 0 80px}
  .hero .wrap{grid-template-columns:1fr;gap:40px;text-align:center}
  .hero .stage{order:-1}
  .book{width:min(250px,64vw);transform:none}
  .badge{width:74px;height:74px;top:-10px;right:-18px}
  .badge b{font-size:21px}
  .hero .lead{margin-left:auto;margin-right:auto}
  .eyebrow{justify-content:center}
  .actions{justify-content:center}
  .actions .btn{flex:1 1 100%}
  .meta{justify-content:center}
  .trust .wrap{gap:14px 26px}
  .night{padding:96px 0}
  .grid-3,.books{grid-template-columns:1fr}
  .author,.split{grid-template-columns:1fr;gap:48px}
  .author-photo{max-width:420px;margin:0 auto}
  .split .h2{position:static}
  .page{padding:48px 26px}
  .page p{font-size:19px}
  .toc{columns:1}
  .buy{grid-template-columns:1fr}
  .offer{padding:36px 26px}
  .stats{grid-template-columns:1fr;margin-top:48px}
  .footer .wrap{grid-template-columns:1fr 1fr;gap:32px}
  .footer .wrap>div:first-child{grid-column:1/-1}
  .footer .bottom{flex-direction:column;text-align:center}
  .footer{padding-bottom:110px}
  .sticky{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:200;gap:8px;padding:8px;background:rgba(255,253,249,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:999px;box-shadow:0 16px 40px -12px rgba(20,26,46,.35);transform:translateY(150%);transition:transform .35s ease}
  .sticky.on{transform:none}
  .sticky .btn{flex:1;padding:13px 10px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.book,.btn,.card,.bk{transition:none}}

/* Temas compartidos con las fichas de libros */
:root{color-scheme:light}
:root[data-theme="dark"]{color-scheme:dark;--paper:#111217;--paper-2:#191b22;--card:#20222a;--ink:#f5f1e9;--ink-2:#d3d1ce;--muted:#aaa69f;--line:rgba(255,255,255,.14);--gold:#d4b36a;--gold-2:#e1c58b;--gold-soft:#50422a;--night:#080a12;--shadow:0 12px 32px -12px rgba(0,0,0,.6)}
[data-theme="dark"] .nav{background:rgba(17,18,23,.9)}
[data-theme="dark"] .btn-ink,[data-theme="dark"] .nav ul a.btn-ink,[data-theme="dark"] .ribbon{background:#e9dfc8;color:#161821}
[data-theme="dark"] .btn-ink:hover{background:#fff0d2}
[data-theme="dark"] .btn-gold,[data-theme="dark"] .badge{color:#161821}
[data-theme="dark"] .btn-line{border-color:rgba(255,255,255,.35)}
[data-theme="dark"] .sticky{background:rgba(32,34,42,.94)}
[data-theme="dark"] .page p{color:var(--ink-2)}
.theme-toggle,.menu-toggle{font:500 13px var(--sans);color:var(--ink);border:1px solid var(--line);border-radius:999px;background:var(--card);padding:10px 14px;cursor:pointer;min-height:44px}
.menu-toggle{display:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:5px}
section[id]{scroll-margin-top:90px}
.nav ul a[aria-current="location"]{color:var(--gold);text-decoration:underline;text-underline-offset:7px}
.theme-changing body,.theme-changing .nav,.theme-changing .alt,.theme-changing .white,.theme-changing .footer,.theme-changing .bk{transition:background-color .3s,color .3s}
@media(max-width:960px){.nav .wrap{position:relative;gap:10px}.logo{font-size:19px}.menu-toggle{display:block;margin-left:auto}.nav ul{gap:8px}.nav .btn{padding:10px 12px}.theme-toggle{padding:10px}.nav.menu-open ul li.hm{display:block}.nav.menu-open ul{position:absolute;left:0;right:0;top:64px;background:var(--card);border-bottom:1px solid var(--line);padding:20px;display:flex;flex-wrap:wrap;justify-content:center;box-shadow:var(--shadow)}.nav.menu-open ul li.hm a{display:block;padding:10px}.nav.menu-open .theme-toggle{min-width:90px}}
@media(max-width:380px){.nav .btn{font-size:11px;padding:10px 8px}.nav .wrap{padding:0 12px}.logo{font-size:17px}.theme-toggle{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}