/* ============================================================
   EDITORIAL RHEMA — Sistema de diseño
   Desarrollado por Growx Agency — Gabriel Pérez
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..900;1,9..144,300..700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --navy:        #0E2542;
  --navy-deep:   #0A1B30;
  --navy-soft:   #16365C;
  --cream:       #EFE9DD;
  --cream-dim:   #C9C2B4;
  --coral:       #E8552E;
  --coral-soft:  #F47C5A;
  --line:        rgba(239,233,221,0.14);
  --shadow:      0 24px 60px -20px rgba(0,0,0,0.55);

  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Outfit', system-ui, sans-serif;

  --maxw: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--navy);
  color: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.kicker {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--coral);
}

.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem;
  padding: 0.85em 1.6em; border-radius: 999px; border: none;
  cursor: pointer; transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .25s;
  text-align: center;
}
.btn-coral { background: var(--coral); color: #fff; }
.btn-coral:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -8px rgba(232,85,46,.6); background: var(--coral-soft); }
.btn-cream { background: var(--cream); color: var(--navy); }
.btn-cream:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(239,233,221,.4); }
.btn-ghost { background: transparent; color: var(--cream); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--cream); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,27,48,0.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 42px; width: auto; }
.nav-logo .lg { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; line-height: 1; }
.nav-logo .lg small { display: block; font-family: var(--sans); font-size: .55rem; letter-spacing: .25em; color: var(--coral); text-transform: uppercase; margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: .92rem; font-weight: 500; color: var(--cream-dim); transition: color .2s; }
.nav-links a:hover { color: var(--cream); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.cart-pill { position: relative; }
.cart-count {
  position: absolute; top: -8px; right: -10px; background: var(--coral); color: #fff;
  font-size: .7rem; font-weight: 700; min-width: 18px; height: 18px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}
.nav-toggle { display: none; background: none; border: none; color: var(--cream); font-size: 1.5rem; cursor: pointer; }

/* ---------- HERO ---------- */
.hero {
  position: relative; padding: 88px 0 96px; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 75% -10%, rgba(22,54,92,.6), transparent 60%),
    var(--navy);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 5.5vw, 4.4rem); margin: 22px 0 24px; }
.hero h1 .dot { color: var(--coral); }
.hero p.lead { font-size: 1.15rem; color: var(--cream-dim); max-width: 30em; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-img { position: relative; }
.hero-img img { border-radius: 18px; box-shadow: var(--shadow); }

/* ---------- SECTION ---------- */
.section { padding: 84px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; gap: 24px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.section-head p { color: var(--cream-dim); max-width: 34em; margin-top: 10px; }

/* ---------- GRID DE LIBROS ---------- */
.books { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.book-card {
  background: linear-gradient(180deg, rgba(22,54,92,.35), rgba(10,27,48,.2));
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .35s;
  display: flex; flex-direction: column;
}
.book-card:hover { transform: translateY(-6px); border-color: rgba(239,233,221,.3); box-shadow: var(--shadow); }
.book-cover { aspect-ratio: 16/10; overflow: hidden; background: var(--navy-deep); }
.book-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.book-card:hover .book-cover img { transform: scale(1.05); }
.book-body { padding: 18px 18px 22px; display: flex; flex-direction: column; flex: 1; }
.book-cat { font-size: .68rem; text-transform: uppercase; letter-spacing: .18em; color: var(--coral); font-weight: 600; }
.book-title { font-family: var(--serif); font-size: 1.18rem; margin: 8px 0 4px; }
.book-author { font-size: .85rem; color: var(--cream-dim); margin-bottom: 14px; }
.book-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.book-price { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; }
.book-price small { font-size: .7rem; color: var(--cream-dim); font-family: var(--sans); display: block; }

/* ---------- FICHA DE LIBRO ---------- */
.libro-grid { display: grid; grid-template-columns: 0.85fr 1fr; gap: 56px; align-items: start; padding-top: 56px; }
.libro-cover img { border-radius: 16px; box-shadow: var(--shadow); }
.libro-info h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 14px 0; }
.libro-sub { font-size: 1.15rem; color: var(--cream-dim); font-style: italic; font-family: var(--serif); margin-bottom: 18px; }
.libro-meta { display: flex; gap: 22px; flex-wrap: wrap; margin: 20px 0; font-size: .9rem; color: var(--cream-dim); }
.libro-desc { color: var(--cream-dim); margin: 24px 0; max-width: 40em; }
.formato-box { border: 1px solid var(--line); border-radius: 14px; padding: 22px; margin: 26px 0; }
.formato-row { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 10px; cursor: pointer; transition: background .2s; border: 1px solid transparent; }
.formato-row:hover { background: rgba(22,54,92,.4); }
.formato-row.active { border-color: var(--coral); background: rgba(232,85,46,.08); }
.formato-row input { accent-color: var(--coral); width: 18px; height: 18px; }
.formato-row .fr-title { font-weight: 600; }
.formato-row .fr-desc { font-size: .82rem; color: var(--cream-dim); }
.formato-row .fr-price { margin-left: auto; font-family: var(--serif); font-size: 1.2rem; font-weight: 600; }

/* ---------- FORM / AUTH ---------- */
.auth-wrap { max-width: 440px; margin: 70px auto; padding: 0 24px; }
.card {
  background: linear-gradient(180deg, rgba(22,54,92,.4), rgba(10,27,48,.3));
  border: 1px solid var(--line); border-radius: 18px; padding: 38px;
}
.tabs { display: flex; gap: 8px; margin-bottom: 26px; background: rgba(10,27,48,.6); border-radius: 999px; padding: 5px; }
.tab { flex: 1; text-align: center; padding: 10px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--cream-dim); transition: all .25s; }
.tab.active { background: var(--coral); color: #fff; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .82rem; font-weight: 500; margin-bottom: 6px; color: var(--cream-dim); }
.field input, .field select {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: rgba(10,27,48,.6); color: var(--cream); font-family: var(--sans); font-size: .95rem;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--coral); }
.form-error { background: rgba(232,85,46,.12); border: 1px solid rgba(232,85,46,.4); color: var(--coral-soft); padding: 10px 14px; border-radius: 10px; font-size: .85rem; margin-bottom: 16px; display: none; }

/* ---------- CARRITO ---------- */
.cart-item { display: grid; grid-template-columns: 70px 1fr auto; gap: 16px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-item img { width: 70px; border-radius: 8px; }
.cart-summary { background: linear-gradient(180deg, rgba(22,54,92,.4), rgba(10,27,48,.3)); border: 1px solid var(--line); border-radius: 16px; padding: 26px; position: sticky; top: 100px; }
.cart-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.pay-method { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; margin-bottom: 10px; transition: all .2s; }
.pay-method:hover { background: rgba(22,54,92,.4); }
.pay-method.active { border-color: var(--coral); background: rgba(232,85,46,.08); }
.pay-method input { accent-color: var(--coral); }

/* ---------- LECTOR PDF ---------- */
.reader-bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; background: var(--navy-deep); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.reader-bar .rb-title { font-family: var(--serif); font-size: 1.05rem; }
.reader-canvas { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 30px 16px 60px; }
.reader-canvas canvas { box-shadow: var(--shadow); border-radius: 4px; max-width: 100%; }
.reader-controls { display: flex; align-items: center; gap: 14px; }
.reader-controls button { background: rgba(22,54,92,.6); border: 1px solid var(--line); color: var(--cream); padding: 8px 14px; border-radius: 8px; cursor: pointer; }
.reader-controls button:hover { border-color: var(--coral); }

/* ---------- EMPTY / INFO ---------- */
.empty { text-align: center; padding: 80px 20px; color: var(--cream-dim); }
.empty h3 { font-size: 1.6rem; color: var(--cream); margin-bottom: 12px; }
.info-box { background: rgba(22,54,92,.4); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 18px 0; }
.info-box .row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.info-box .row:last-child { border: none; }
.info-box .row b { font-family: var(--sans); }
.copy-btn { background: var(--navy-soft); border: 1px solid var(--line); color: var(--cream); padding: 4px 10px; border-radius: 6px; font-size: .78rem; cursor: pointer; }

/* ---------- BADGES ---------- */
.badge { display: inline-block; font-size: .72rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .08em; }
.badge-pendiente { background: rgba(232,85,46,.16); color: var(--coral-soft); }
.badge-revision { background: rgba(240,180,40,.16); color: #f0b428; }
.badge-pagado { background: rgba(60,200,120,.16); color: #45c87a; }
.badge-rechazado { background: rgba(200,60,60,.16); color: #e06464; }

/* ---------- TABLE ADMIN ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th, .tbl td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--cream-dim); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }

/* ---------- FOOTER ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 30px; background: var(--navy-deep); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer h4 { font-family: var(--sans); font-size: .8rem; text-transform: uppercase; letter-spacing: .15em; color: var(--coral); margin-bottom: 16px; }
.footer a { display: block; color: var(--cream-dim); font-size: .9rem; padding: 5px 0; transition: color .2s; }
.footer a:hover { color: var(--cream); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; text-align: center; font-size: .82rem; color: var(--cream-dim); }
.footer-bottom .credit { color: var(--coral); font-weight: 600; }

/* ---------- REVEAL ANIM ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px) {
  .books { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .libro-grid, .cart-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-img { order: -1; max-width: 420px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .books { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}