:root{
  --ink:#172435;
  --paper:#f6f0e7;
  --cream:#fffaf3;
  --gold:#b77536;
  --rust:#a44632;
  --line:#d9cbbb;
  --marfil:#f4efe5;
  --tinta:#121212;
  --gris:#665f58;
  --azul:#2c4e79;
  --oro:#8a6a2f;
  --borde:#d7d0c5;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",sans-serif}
header{border-bottom:1px solid var(--borde);background:rgba(255,255,255,.78);backdrop-filter:blur(10px);position:sticky;top:0;z-index:20}
.wrap{max-width:1140px;margin:0 auto;padding:0 clamp(1rem,2vw,1.4rem)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:1.2rem;flex-wrap:wrap;padding-block:.9rem}
.brand{display:flex;align-items:center;text-decoration:none;color:inherit;min-width:0;flex-shrink:0}
.brand img{display:block;height:auto;max-height:68px;max-width:min(34vw,320px);width:auto;flex-shrink:0}
.header-search{display:flex;align-items:center;gap:0;margin-left:.35rem;flex:0 1 340px;max-width:340px;min-width:280px;position:relative}
.header-search input{width:100%;height:44px;padding:.7rem 3rem .7rem 1rem;border:1px solid rgba(44,78,121,.14);border-radius:999px;background:rgba(255,255,255,.82);font:inherit;font-size:.95rem;color:var(--tinta);box-shadow:0 8px 18px rgba(18,18,18,.04) inset,0 1px 0 rgba(255,255,255,.65);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.header-search input::placeholder{color:#7b746d}
.header-search input:focus{border-color:rgba(44,78,121,.28);box-shadow:0 0 0 3px rgba(44,78,121,.08),0 10px 20px rgba(18,18,18,.04) inset,0 1px 0 rgba(255,255,255,.65);background:rgba(255,255,255,.96)}
.header-search button{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--azul);border-radius:999px;padding:0;cursor:pointer;box-shadow:none;transition:color .2s ease,background .2s ease}
.header-search button:hover{color:var(--oro);background:rgba(138,106,47,.08)}
.header-search button svg{width:17px;height:17px;stroke:currentColor;stroke-width:2;fill:none}
nav{margin-left:auto}
.menu-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:.28rem;padding:.76rem 1rem;border:1px solid rgba(44,78,121,.16);background:linear-gradient(180deg,#ffffff 0%,#f7f1e8 100%);color:var(--azul);border-radius:18px;font:inherit;font-weight:600;box-shadow:0 8px 18px rgba(18,18,18,.05),0 1px 0 rgba(255,255,255,.7) inset;cursor:pointer}
.menu-toggle-line{display:block;width:18px;height:2px;border-radius:999px;background:currentColor;transition:transform .2s ease,opacity .2s ease}
.menu-toggle-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
nav ul{display:flex;gap:1rem 1.25rem;list-style:none;padding:0;margin:0;flex-wrap:wrap;justify-content:flex-end}
nav a{color:var(--gris);text-decoration:none;font-size:1rem;font-weight:500;letter-spacing:.03em;padding:.5rem .1rem;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}
nav a:hover{color:var(--azul);border-bottom-color:rgba(44,78,121,.45)}

.hero{display:flex;flex-direction:column;padding-top:10px}
.art{
  position:relative;
  min-height:500px;
  max-width:980px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  border-radius:28px;
  box-shadow:0 18px 38px rgba(18,18,18,.12);
  background:#d6b47f;
}
.hero-art-image{
  width:100%;
  height:100%;
  min-height:500px;
  object-fit:contain;
  object-position:center center;
  display:block;
}
.copy h1,
.section-intro h2,
.how h2,
.final-cta h2{
  font:400 clamp(52px,6vw,84px)/.95 "Libre Caslon Display",serif;
  letter-spacing:-.04em;
  margin:0;
}
.copy h1{
  color:var(--ink);
}
.copy h1 em{
  color:var(--rust);
}
.copy em,
.final-cta em{color:#f1d8b8}
.lead{
  font:21px/1.48 "Libre Caslon Display",serif;
  max-width:720px;
  margin:.9rem auto 0;
  color:var(--tinta);
}
.copy{width:100%;max-width:900px;margin:auto;padding:20px 7vw 22px;text-align:center}
.copy-form{padding:36px 7vw 80px}
.eyebrow{font-size:11px;letter-spacing:.24em;color:var(--gold);font-weight:700;margin:0 0 24px}

.signup-form{max-width:680px;margin:auto;text-align:left}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.signup-form input{
  width:100%;
  border:1px solid rgba(44,78,121,.18);
  border-radius:16px;
  background:#fff;
  color:var(--tinta);
  padding:.95rem 1rem;
  font:inherit;
  box-shadow:0 1px 0 rgba(255,255,255,.65) inset;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  outline:0
}
.signup-form input::placeholder{color:#7b746d}
.signup-form input:focus{
  border-color:rgba(44,78,121,.3);
  box-shadow:0 0 0 3px rgba(44,78,121,.08);
  background:#fffdfb
}
.signup-form button{
  width:100%;
  border:1px solid rgba(95,150,207,.78);
  border-radius:18px;
  background:linear-gradient(180deg,#7eb6e6 0%,#5f96cf 100%);
  color:#fff;
  padding:.92rem 1.24rem;
  margin-top:16px;
  font-size:.95rem;
  font-weight:600;
  cursor:pointer;
  box-shadow:0 8px 18px rgba(18,18,18,.08),0 1px 0 rgba(255,255,255,.22) inset;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease
}
.signup-form button:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(18,18,18,.12),0 1px 0 rgba(255,255,255,.3) inset;
  filter:saturate(1.05)
}
.fine{
  font-size:15px;
  line-height:1.55;
  opacity:.92;
  color:var(--ink);
  max-width:42rem;
  margin:18px auto 0;
  text-align:center
}
.fine a{
  color:var(--azul);
  text-decoration:underline;
  text-underline-offset:2px;
}
.fine a:hover{color:var(--oro)}
.success{display:none;border:1px solid #69806c;background:#eef4eb;padding:17px}

.promise{padding:28px 6vw;background:var(--ink);color:white;display:flex;justify-content:space-between;align-items:center}
.promise p{font:17px "Libre Caslon Display";margin:0}
.promise div{display:flex;gap:28px;font-size:10px;letter-spacing:.12em;text-transform:uppercase}

.books{padding:56px 7vw 100px;background:var(--cream)}
.section-intro{text-align:center;max-width:720px;margin:0 auto 44px}
.section-intro h2{font-size:clamp(44px,5vw,70px);color:var(--ink)}
.section-intro>p:last-child{font:17px/1.6 "Libre Caslon Display";max-width:520px;margin:25px auto}
.book-grid{display:grid;grid-template-columns:repeat(3,1fr);max-width:1050px;margin:auto;gap:48px}
.card{text-align:center}
.book-cover-shell{
  width:200px;
  margin:auto;
  padding:10px;
  border-radius:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(244,239,229,.98) 100%);
  box-shadow:0 18px 28px rgba(26,24,32,.14);
  border:1px solid rgba(138,106,47,.12);
  overflow:hidden;
  position:relative
}
.book-cover-shell.fallback-sprite{
  padding:0;
  background-color:#fff;
  background-image:url("./assets/sorteo-libros-reales.jpg");
  background-repeat:no-repeat;
  background-size:1774px 887px
}
.book-cover-shell.fallback-book-one{background-position:-1104px -257px}
.book-cover-shell.fallback-book-two{background-position:-727px -262px}
.book-cover-shell.fallback-book-three{background-position:-314px -255px}
.book-cover-shell.fallback-sprite .real-book{
  opacity:0;
  pointer-events:none
}
.real-book{
  display:block;
  width:100%;
  aspect-ratio:2 / 3;
  border-radius:10px;
  object-fit:contain;
  background:#fff;
  border:1px solid #cfc8bd;
  box-shadow:0 10px 20px rgba(18,18,18,.06);
  transition:opacity .2s ease
}
.card p{font-size:10px;color:var(--gold);letter-spacing:.2em}
.card h3{font:23px "Libre Caslon Display";margin:6px 0}
.card>span{font-size:11px;opacity:.65}

.how{background:var(--rust);color:white;padding:90px 8vw;display:grid;grid-template-columns:1fr 1fr;gap:80px}
.light{color:#f0c69e}
.how h2{font-size:58px}
.how ol{list-style:none;margin:0;padding:0}
.how li{display:flex;gap:25px;padding:22px 0;border-top:1px solid #fff5}
.how li:last-child{border-bottom:1px solid #fff5}
.how b{font-size:10px;color:#efc9a4}
.how li span{display:flex;flex-direction:column;font-size:12px;line-height:1.6}
.how li strong{font:22px "Libre Caslon Display"}

.final-cta{text-align:center;padding:110px 20px}
.final-cta a{display:inline-block;margin:35px 0 12px;background:var(--ink);color:white;padding:18px 30px;text-decoration:none;font-weight:600;font-size:13px}
.final-cta>p:last-child{font-size:11px}

.social-block{display:flex;justify-content:center;padding:0;border:none;background:transparent;box-shadow:none}
.social-block-copy{display:none}
.social-kicker,.social-title{display:none}
.social-links{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem}
.social-link{display:inline-flex;align-items:center;justify-content:center;width:2.9rem;height:2.9rem;padding:0;border:none;background:transparent;box-shadow:none;color:var(--azul);text-decoration:none;transition:transform .2s ease,color .2s ease,opacity .2s ease}
.social-link:hover{transform:translateY(-2px);color:var(--oro);opacity:1}
.social-link svg{width:24px;height:24px;fill:currentColor;flex-shrink:0}

footer{border-top:1px solid var(--borde);padding:1.4rem 0 2.5rem;color:#6b645d;font-size:.88rem}
.footer-shell{display:grid;gap:1rem;justify-items:center}
.footer-bottom{display:grid;justify-items:center;gap:.75rem}
.footer-copy{font-family:"Source Serif 4","Iowan Old Style","Palatino Linotype",serif;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;text-align:center}
.footer-legal{display:grid;grid-auto-flow:column;gap:.45rem 1rem;justify-content:start;align-items:center;width:min(100%,46rem);margin:0 auto}
.footer-legal a{font-family:"Source Serif 4","Iowan Old Style","Palatino Linotype",serif;color:#746b63;text-decoration:none;transition:color .2s ease,opacity .2s ease;opacity:.92}
.footer-legal a:hover{color:var(--oro);opacity:1}
.footer-about{display:grid;gap:.65rem;padding:.15rem 0 .35rem;text-align:center;justify-items:center}
.footer-about h2{margin:0;color:var(--azul);font-family:"Source Serif 4","Iowan Old Style","Palatino Linotype",serif;font-size:1.05rem;letter-spacing:.04em;text-transform:uppercase}
.footer-about-links{display:grid;grid-auto-flow:column;gap:.45rem 1rem;justify-content:start;align-items:center;width:min(100%,46rem);margin:0 auto}
.footer-about-links a{font-family:"Source Serif 4","Iowan Old Style","Palatino Linotype",serif;color:#746b63;text-decoration:none;transition:color .2s ease,opacity .2s ease;opacity:.94}
.footer-about-links a:hover{color:var(--oro);opacity:1}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}

@media(max-width:860px){
  .wrap{padding:0 1.1rem}
  .nav{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;column-gap:.65rem;row-gap:.85rem;min-height:auto;padding-block:.82rem}
  .brand{min-width:0}
  .brand img{height:auto;max-height:48px;max-width:min(44vw,210px)}
  .header-search{grid-column:2;max-width:none;min-width:0;margin:0;flex:none}
  .header-search input{width:100%;height:42px;padding:.7rem 2.75rem .7rem .95rem;font-size:.92rem}
  .menu-toggle{display:inline-flex;grid-column:3;justify-self:end;margin:0;width:44px;height:44px;padding:0;border-radius:14px;position:relative}
  .nav.menu-open .menu-toggle-line:nth-child(1){transform:translateY(5px) rotate(45deg)}
  .nav.menu-open .menu-toggle-line:nth-child(2){opacity:0}
  .nav.menu-open .menu-toggle-line:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
  nav{grid-column:1 / -1;width:100%;margin:0;display:none}
  .nav.menu-open nav{display:block}
  nav ul{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:.45rem;padding:.45rem 0 .1rem}
  nav a{display:block;padding:.8rem .1rem}
  .hero,.page-hero{padding:2.5rem 0 1.5rem}
  .copy h1{font-size:clamp(42px,8vw,64px)}
  .lead{font-size:19px;line-height:1.52;max-width:34rem}
}
@media(max-width:800px){
  .hero{padding:2.5rem 0 1.5rem}
  .art{min-height:340px;max-width:100%;border-radius:22px}
  .hero-art-image{min-height:340px;object-fit:cover;object-position:center 38%}
  .copy{padding:18px 24px 28px}
  .copy-form{padding:24px 24px 52px}
  .signup-form button{min-height:52px;font-size:1rem}
  .fine{font-size:14px;line-height:1.5}
  .fields{grid-template-columns:1fr}
  .promise{display:block;text-align:center;padding:22px 24px}
  .promise p{font-size:21px;line-height:1.25}
  .promise div{justify-content:center;flex-wrap:wrap;gap:12px 18px;font-size:11px}
  .book-grid{grid-template-columns:1fr;gap:46px}
  .book-cover-shell{width:min(58vw,220px)}
  .card h3{font-size:26px;line-height:1.14}
  .card>span{font-size:12px}
  .how{grid-template-columns:1fr;padding:62px 24px;gap:38px}
  .how h2{font-size:48px}
  .how li strong{font-size:20px}
  .final-cta{padding:82px 24px}
}
@media(max-width:680px){
  .wrap{padding:0 1rem}
  .nav{display:grid;grid-template-columns:auto minmax(0,1fr) 36px;align-items:center;column-gap:.6rem;row-gap:.75rem;padding-block:.72rem}
  .brand{display:flex;align-items:center;justify-content:flex-start;min-width:0}
  .brand img{height:auto;max-height:54px;max-width:min(52vw,240px)}
  .header-search{grid-column:2;display:block;position:relative;min-width:0;max-width:none;margin:0}
  .header-search input{width:100%;height:38px;padding:.6rem .9rem .6rem .82rem;font-size:.82rem}
  .header-search button{display:none}
  .menu-toggle{grid-column:3;display:inline-flex;justify-self:end;width:36px;height:36px;padding:0;border-radius:12px;background:linear-gradient(180deg, #ffffff 0%, #eef3fb 100%);box-shadow:0 8px 18px rgba(18,18,18,.08), 0 1px 0 rgba(255,255,255,.8) inset}
  .menu-toggle-line{width:15px}
  .nav.menu-open .menu-toggle-line:nth-child(1){transform:translateY(5px) rotate(45deg)}
  .nav.menu-open .menu-toggle-line:nth-child(2){opacity:0}
  .nav.menu-open .menu-toggle-line:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
  nav{grid-column:1 / -1;width:100%;margin:0;padding-top:.2rem}
  nav ul{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:.3rem;padding:.35rem 0 0}
  nav a{display:block;padding:.7rem .1rem}
  .hero,.page-hero{padding:2.15rem 0 1.25rem}
  .copy{padding:14px 20px 20px}
  .copy-form{padding:20px 20px 44px}
  .copy h1{font-size:clamp(34px,9vw,48px)}
  .lead{font-size:16px;line-height:1.52;max-width:23rem}
  .fine{font-size:13px}
  .success{font-size:14px;line-height:1.45;padding:15px}
  .books{padding:40px 20px 68px}
  .section-intro{margin:0 auto 34px}
  .section-intro h2{font-size:clamp(36px,9vw,46px)}
  .section-intro>p:last-child{font-size:15px;line-height:1.55}
  .book-cover-shell{width:min(64vw,214px)}
  .card h3{font-size:24px}
  .how{padding:54px 20px;gap:32px}
  .how h2{font-size:40px}
  .how li{gap:16px;padding:18px 0}
  .how li span{font-size:13px}
  .final-cta h2{font-size:clamp(34px,9vw,44px)}
  .final-cta a{width:100%;max-width:320px}
}
@media(max-width:520px){
  .art{min-height:320px;max-width:100%;border-radius:18px}
  .hero-art-image{min-height:320px;object-position:center 36%}
  .copy h1{font-size:clamp(30px,10vw,42px)}
  .lead{font-size:15px;line-height:1.5;max-width:20rem}
  .signup-form input{padding:.9rem .95rem}
  .promise p{font-size:18px}
  .promise div{gap:10px 14px;font-size:10px}
  .book-grid{gap:38px}
  .book-cover-shell{width:min(70vw,210px)}
  .card p{margin-bottom:6px}
  .card h3{font-size:22px}
  .card>span{font-size:11px}
}
@media(max-width:420px){
  .wrap{padding:0 .8rem}
  .nav{grid-template-columns:auto minmax(0,1fr) 32px;column-gap:.45rem}
  .brand img{height:auto;max-height:46px;max-width:min(58vw,228px)}
  .header-search{grid-column:2;min-width:0}
  .header-search input{height:36px;padding:.56rem .72rem;font-size:.78rem}
  .menu-toggle{width:32px;height:32px;border-radius:10px}
  .menu-toggle-line{width:13px}
  .art{min-height:280px}
  .hero-art-image{min-height:280px;object-position:center 34%}
  .lead{font-size:14.5px;max-width:19rem}
}
@media (max-width:720px){
  .footer-shell{gap:.7rem}
  .footer-about{text-align:center}
  .footer-about-links{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.28rem;width:100%}
  .footer-bottom{gap:.55rem}
  .footer-copy{white-space:normal;text-align:center}
  .footer-legal{display:flex;flex-direction:column;justify-content:center;gap:.2rem .65rem;width:100%}
}