/* Nova Iuris · Boletines */
:root{
  --teal:#02393C; --teal-2:#04474B; --teal-3:#0B5C60; --turq:#35E0D9; --turq-2:#8FEDE8;
  --on-teal:#E6F7F6; --on-teal-muted:#9CC9C7;
  --paper:#F2F7F6; --surface:#FFFFFF; --ink:#082A2C; --muted:#4A6869; --line:#D3E2E1;
  --shadow:rgba(2,40,42,.28);
  --display:"Cormorant Garamond","Iowan Old Style",Georgia,serif;
  --caps:"Cinzel","Trajan Pro",Georgia,serif;
  --sans:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{ --paper:#03272A; --surface:#063236; --ink:#E3F4F3; --muted:#91B6B5; --line:#14494C; --shadow:rgba(0,0,0,.55); color-scheme:dark; }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--turq);outline-offset:3px}
h1,h2,h3{text-wrap:balance}
.wrap{max-width:1180px;margin:0 auto;padding-inline:20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--turq);color:var(--teal);padding:8px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}

/* ---------- Encabezado ---------- */
.top{background:var(--teal);color:var(--on-teal);border-bottom:1px solid rgba(53,224,217,.14)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:46px;height:46px}
.brand b{display:block;font-family:var(--caps);font-weight:600;font-size:20px;letter-spacing:.14em;text-transform:uppercase;color:var(--turq);line-height:1.1}
.brand small{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-teal-muted)}
.nav{display:flex;gap:26px;font-size:14px;font-weight:500}
.nav a{text-decoration:none;color:var(--on-teal-muted)}
.nav a:hover{color:var(--turq)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:12px 22px;font-weight:600;font-size:15px;border:1.5px solid transparent;text-decoration:none;white-space:nowrap;transition:transform .2s, background .2s}
.btn svg{width:18px;height:18px;flex:none}
.btn-turq{background:var(--turq);color:var(--teal)}
.btn-turq:hover{background:var(--turq-2)}
.btn-line{border-color:rgba(53,224,217,.5);color:var(--turq);background:transparent}
.btn-line:hover{border-color:var(--turq)}

/* ---------- Portada (hero) ---------- */
.hero{position:relative;overflow:hidden;background:var(--teal);color:var(--on-teal)}
.arcs{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(circle at 78% 46%, transparent 0 238px, rgba(53,224,217,.16) 239px 241px, transparent 242px),
    radial-gradient(circle at 78% 46%, transparent 0 330px, rgba(53,224,217,.10) 331px 333px, transparent 334px),
    radial-gradient(circle at 78% 46%, transparent 0 430px, rgba(53,224,217,.06) 431px 433px, transparent 434px),
    radial-gradient(ellipse at 20% 120%, rgba(53,224,217,.12), transparent 55%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr minmax(220px,340px);gap:64px;align-items:center;padding-block:64px 76px}
.eyebrow{display:inline-block;font-family:var(--caps);font-size:12.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--turq)}
.hero h1{font-family:var(--display);font-weight:600;font-size:clamp(38px,5.6vw,66px);line-height:1;margin:16px 0 18px;max-width:17ch;color:#fff}
.hero p{margin:0 0 30px;max-width:54ch;color:var(--on-teal-muted);font-size:17px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-logo{width:min(380px,100%);justify-self:center;opacity:.95}

/* ---------- Libro 3D ---------- */
.book{display:block;width:100%;padding:0;border:0;background:none;perspective:1400px;text-align:left}
.face{position:relative;display:block;aspect-ratio:1/1.414;overflow:hidden;border-radius:2px 5px 5px 2px;background:#E9F1F0;
  transform:rotateY(-15deg);transform-origin:left center;transition:transform .55s cubic-bezier(.2,.7,.2,1);
  box-shadow:4px 3px 0 -1px #F7FBFB,4px 3px 0 0 #B9CFCE,8px 6px 0 -1px #F7FBFB,8px 6px 0 0 #B9CFCE,22px 26px 34px -12px var(--shadow)}
.face img{width:100%;height:100%;object-fit:cover}
.face::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,.32) 0,rgba(255,255,255,.22) 2.2%,rgba(0,0,0,.1) 4.4%,transparent 10%),linear-gradient(115deg,rgba(255,255,255,.18),transparent 42%)}
.book:hover .face,.book:focus-visible .face{transform:rotateY(-4deg) translateY(-6px)}
.book-hero{max-width:340px;justify-self:center}
.book-hero .face{box-shadow:4px 3px 0 -1px #F7FBFB,4px 3px 0 0 #8FB3B2,8px 6px 0 -1px #F7FBFB,8px 6px 0 0 #8FB3B2,30px 36px 50px -14px rgba(0,0,0,.55)}
@media (prefers-reduced-motion: reduce){.face{transition:none}}

/* ---------- Estantería ---------- */
.shelf-sec{padding-block:64px 80px}
.shelf-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:22px}
.shelf-head h2{font-family:var(--display);font-weight:600;font-size:clamp(32px,4vw,44px);line-height:1;margin:0}
.count{margin:8px 0 0;color:var(--muted);font-size:14px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 15px;font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.chip[aria-pressed="true"]{background:var(--teal);color:var(--turq);border-color:var(--teal)}
.search{position:relative}
.search svg{position:absolute;left:12px;top:50%;width:16px;height:16px;transform:translateY(-50%);color:var(--muted)}
.search input{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 16px 8px 36px;width:230px;max-width:100%;font-size:14px}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:48px 34px;padding-top:40px}
.issue{display:flex;flex-direction:column;gap:16px}
.issue[hidden]{display:none}
.meta .ed{font-family:var(--caps);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-variant-numeric:tabular-nums}
.meta h3{font-family:var(--display);font-weight:600;font-size:21px;line-height:1.12;margin:5px 0 0}
.empty{color:var(--muted);padding:36px 0 0}

/* ---------- Semillero ---------- */
.about{background:var(--teal);color:var(--on-teal)}
.about-in{display:grid;grid-template-columns:220px 1fr;gap:56px;align-items:center;padding-block:64px}
.about h2{font-family:var(--display);font-weight:600;font-size:clamp(30px,3.6vw,42px);line-height:1.05;margin:12px 0 14px;color:#fff}
.about p{margin:0;max-width:62ch;color:var(--on-teal-muted)}
.contact{list-style:none;margin:22px 0 0;padding:0;display:flex;gap:24px;flex-wrap:wrap}
.contact li{display:flex;align-items:center;gap:8px}
.contact svg{width:18px;height:18px;color:var(--turq)}
.contact a{color:var(--turq);text-decoration:none;font-weight:600}
.contact a:hover{text-decoration:underline}
.about-logo{width:220px;height:auto;aspect-ratio:1179/1133;object-fit:contain}

/* ---------- Contacto ---------- */
.contact-sec{padding-block:72px 80px}
.contact-in{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start}
.eyebrow-dark{color:#0E8C86}
@media (prefers-color-scheme: dark){.eyebrow-dark{color:var(--turq)}}
.contact-intro h2{font-family:var(--display);font-weight:600;font-size:clamp(32px,4vw,44px);line-height:1;margin:12px 0 14px}
.contact-intro p{margin:0;color:var(--muted);max-width:44ch}
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px;box-shadow:0 24px 50px -36px var(--shadow)}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}
.contact-form em{font-style:normal;font-weight:400;font-size:12px}
.contact-form input:not([type=checkbox]),.contact-form textarea{width:100%;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:11px 13px;font-size:15px;font-weight:500;color:var(--ink)}
.contact-form textarea{resize:vertical;min-height:120px}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--turq);outline-offset:1px;border-color:transparent}
.contact-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form label.check{flex-direction:row;align-items:flex-start;gap:10px;font-weight:500;font-size:13px;color:var(--muted);line-height:1.45}
.contact-form label.check input{margin-top:2px;width:17px;height:17px;flex:none;accent-color:#0B5C60}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.form-status{margin:0;font-size:14px;color:#0F7A5A;flex:1 1 220px}
.form-status.err{color:#B4372F}
@media (prefers-color-scheme: dark){.form-status{color:#6FD3A2}.form-status.err{color:#FF9C93}}
.btn-teal{background:var(--teal);color:var(--turq)}
.btn-teal:hover{background:var(--teal-2)}
.btn:disabled{opacity:.6;cursor:wait}
@media (prefers-color-scheme: dark){.btn-teal{background:var(--turq);color:var(--teal)}}

.foot{background:#012C2F;color:var(--on-teal-muted);font-size:13px}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:18px calc(18px + env(safe-area-inset-bottom,0px))}
.foot a{color:var(--on-teal-muted);text-decoration:none}
.foot a:hover{color:var(--turq)}

/* ---------- Lector ---------- */
.reader{position:fixed;inset:0;z-index:50;background:radial-gradient(ellipse at 50% 40%,#04474B,#011E20 75%);color:var(--on-teal);display:flex;flex-direction:column}
.reader[hidden]{display:none}
.r-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(12px + env(safe-area-inset-top,0px)) 16px 10px}
.r-title{min-width:0;font-family:var(--display);font-size:21px;font-weight:600;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff}
.r-title small{display:block;font-family:var(--caps);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--turq);font-weight:600}
.r-tools{display:flex;gap:8px;flex:none}
.r-stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding-inline:16px;position:relative}
.r-loading{color:var(--on-teal-muted);font-size:14px}
.r-bar{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:10px 16px calc(14px + env(safe-area-inset-bottom,0px))}
.r-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;min-width:42px;padding:0 14px;border-radius:999px;border:1px solid rgba(53,224,217,.28);background:rgba(2,57,60,.85);color:var(--on-teal);font-size:13px;font-weight:600;text-decoration:none}
.r-btn svg{width:18px;height:18px}
.r-btn:hover{border-color:var(--turq);color:var(--turq)}
.r-ind{min-width:130px;text-align:center;font-size:13px;color:var(--on-teal-muted);font-variant-numeric:tabular-nums}
.flip-host{margin:0 auto}
.pg{background:#fff;overflow:hidden}
.pg img,.pg canvas{width:100%;height:100%;display:block;object-fit:contain;background:#fff}
.pg .wait{width:100%;height:100%;display:grid;place-items:center;color:#8FB3B2;font-size:13px;background:#fff}
.flip-host.simple{position:relative}
.flip-host.simple .pg{position:absolute;inset:0;display:none}
.flip-host.simple .pg.on{display:block}
.zoom{position:absolute;inset:0;z-index:5;background:#011E20;overflow:auto;padding:70px 16px 40px}
.zoom[hidden]{display:none}
.zoom-close{position:fixed;top:calc(12px + env(safe-area-inset-top,0px));right:16px;z-index:6}
.zoom-pages{display:flex;flex-direction:column;align-items:center;gap:16px}
.zoom-pages canvas{max-width:100%;height:auto;background:#fff;box-shadow:0 20px 50px -20px #000}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:90;background:var(--turq);color:var(--teal);font-weight:600;padding:10px 18px;border-radius:999px;font-size:14px;max-width:calc(100% - 32px);box-shadow:0 12px 30px -10px rgba(0,0,0,.5)}
.toast[hidden]{display:none}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr;gap:40px;padding-block:44px 56px}
  .book-hero{max-width:230px;justify-self:start;order:-1}
  .about-in{grid-template-columns:1fr;gap:28px}
  .about-logo{width:150px}
  .contact-in{grid-template-columns:1fr;gap:28px}
}
@media (max-width:560px){
  .nav{display:none}
  .brand small{font-size:10px;letter-spacing:.1em}
  .shelf{grid-template-columns:repeat(2,1fr);gap:38px 22px}
  .meta h3{font-size:18px}
  .search,.search input{width:100%}
  .filters{width:100%}
  .contact-form{padding:20px 18px}
  .contact-form .row2{grid-template-columns:1fr}
  .form-foot .btn{width:100%;justify-content:center}
  .r-btn span{display:none}
  .r-btn{padding:0 12px}
}