:root {
  --navy: #1E3770;
  --navy-deep: #142751;
  --yellow: #FFC226;
  --orange: #F26A21;
  --black: #151515;
  --white: #FFFFFF;
  --paper: #FFF8EC;
  --green: #8CC63F;
  --red: #E0322E;
  --purple: #7B3FA0;
  --sky: #2F8FE0;
  --pink: #FF5E9A;

  --font-display: "Lilita One", "Arial Rounded MT Bold", system-ui, sans-serif;
  --font-label: "Oswald", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 22px;
  --shadow-hard: 6px 6px 0 var(--black);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--black);
  background: var(--paper);
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.05; margin: 0; letter-spacing: .01em; }
h2 { font-size: clamp(2rem, 5vw, 3.2rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--font-label); font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  font-size: 1.05rem; text-decoration: none;
  padding: .85em 1.5em; border-radius: 999px;
  border: 3px solid var(--black);
  box-shadow: 4px 4px 0 var(--black);
  transition: transform .15s ease, box-shadow .15s ease;
  min-height: 48px;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--black); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--black); }
.btn:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.btn-orange { background: var(--orange); color: var(--white); }
.btn-yellow { background: var(--yellow); color: var(--black); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--white); box-shadow: 4px 4px 0 rgba(0,0,0,.35); }
.btn-ghost-dark { background: var(--white); color: var(--black); }
.btn-small { padding: .45em 1em; font-size: .9rem; min-height: 40px; }

/* ---------- Tape labels ---------- */
.tape {
  display: inline-block;
  font-family: var(--font-label); font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  font-size: .95rem; padding: .35em .9em; color: var(--black);
  transform: rotate(-2deg);
  clip-path: polygon(2% 8%, 10% 0, 22% 6%, 36% 0, 52% 5%, 66% 0, 80% 6%, 92% 0, 100% 10%, 98% 92%, 88% 100%, 74% 94%, 58% 100%, 42% 95%, 28% 100%, 14% 94%, 0 100%, 2% 50%);
  margin-bottom: 1rem;
}
.tape-green { background: var(--green); }
.tape-orange { background: var(--orange); color: var(--white); }
.tape-yellow { background: var(--yellow); }
.tape-purple { background: var(--purple); color: var(--white); }

/* ---------- Speech bubble ---------- */
.bubble {
  position: relative; background: var(--white); color: var(--black);
  border: 4px solid var(--black); border-radius: 32px;
  padding: 1.4rem 1.6rem; box-shadow: var(--shadow-hard);
}
.bubble::after {
  content: ""; position: absolute; bottom: -26px; left: 18%;
  width: 34px; height: 30px; background: var(--white);
  border-right: 4px solid var(--black); border-bottom: 4px solid var(--black);
  transform: skewX(-25deg) rotate(10deg);
}
.bubble-left::after { left: -24px; top: 2.4rem; bottom: auto; transform: rotate(135deg); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .6rem clamp(16px, 4vw, 40px);
  background: rgba(20, 39, 81, .92); backdrop-filter: blur(8px);
  color: var(--white); border-bottom: 3px solid var(--black);
}
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-family: var(--font-display); font-size: 1.25rem; color: var(--yellow); }
.brand img { width: 44px; height: 44px; }
.nav { display: flex; gap: 1.6rem; }
.nav a { text-decoration: none; font-family: var(--font-label); text-transform: uppercase; letter-spacing: .05em; font-weight: 500; }
.nav a:hover { color: var(--yellow); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--navy); color: var(--white);
  padding: clamp(3rem, 8vw, 6rem) clamp(16px, 4vw, 40px) clamp(4rem, 9vw, 7rem);
}
.doodles {
  position: absolute; inset: 0; opacity: .12; pointer-events: none;
  background-image:
    radial-gradient(circle at 20px 20px, transparent 9px, var(--white) 10px, var(--white) 11.5px, transparent 12.5px),
    radial-gradient(circle at 60px 60px, var(--white) 2px, transparent 3px);
  background-size: 80px 80px;
}
.hero-inner { position: relative; max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
.hl { color: var(--orange); }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 34em; margin: 2.6rem 0 1.8rem; color: #E6ECFA; }
.lead strong { color: var(--yellow); }
.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.cta-row.center { justify-content: center; }

.hero-art { position: relative; display: grid; place-items: center; }
.hero-logo {
  width: min(100%, 440px); filter: drop-shadow(10px 12px 0 rgba(0,0,0,.35));
  animation: bounce-in 1s cubic-bezier(.2, 1.6, .4, 1) both, float 5s ease-in-out 1s infinite;
}
.spark { position: absolute; font-family: var(--font-display); color: var(--yellow); pointer-events: none; }
.s1 { top: 4%; left: 4%; font-size: 3.4rem; animation: zap 2.4s ease-in-out infinite; }
.s2 { bottom: 10%; right: 2%; font-size: 2.6rem; color: var(--white); animation: zap 3s ease-in-out .6s infinite; }
.s3 { top: 10%; right: 0; font-size: 1.6rem; color: var(--orange); transform: rotate(12deg); animation: zap 2.8s ease-in-out 1.2s infinite; }

@keyframes bounce-in { from { opacity: 0; transform: scale(.4) rotate(-20deg); } to { opacity: 1; transform: scale(1) rotate(0); } }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
@keyframes zap { 0%, 100% { opacity: 1; scale: 1; } 45% { opacity: .35; scale: .85; } 50% { opacity: 1; scale: 1.2; } }

/* ---------- Marquee ---------- */
.marquee { background: var(--yellow); border-block: 4px solid var(--black); overflow: hidden; padding: .8rem 0; transform: rotate(-1.2deg); margin: -1.4rem -10px 0; position: relative; z-index: 2; }
.marquee-track { display: flex; gap: 1.6rem; width: max-content; animation: marquee 32s linear infinite; font-family: var(--font-display); font-size: clamp(1.2rem, 2.6vw, 1.7rem); white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section-head p { font-size: 1.1rem; margin: .8rem 0 0; }

.books { padding: clamp(4rem, 9vw, 7rem) clamp(16px, 4vw, 40px); }
.flag { width: 30px; height: 20px; border-radius: 4px; border: 2px solid var(--black); flex: none; }
.price.converted { font-size: 1.6rem; }
.price-note { max-width: 640px; margin: 2rem auto 0; text-align: center; font-size: .95rem; color: #555; }

/* ---------- Menú de moneda (barra superior) ---------- */
.currency-menu { position: relative; }
.currency-toggle {
  display: inline-flex; align-items: center; gap: .45rem; cursor: pointer;
  font-family: var(--font-label); font-weight: 700; font-size: .95rem; letter-spacing: .04em; color: var(--black);
  background: var(--yellow); border: 3px solid var(--black); border-radius: 999px;
  padding: .35rem .8rem .35rem .55rem; min-height: 44px;
  box-shadow: 3px 3px 0 var(--black); transition: transform .15s ease, box-shadow .15s ease;
}
.currency-toggle:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--black); }
.currency-toggle:focus-visible, .currency-list:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.currency-current { display: inline-flex; align-items: center; gap: .45rem; }
.currency-toggle .chevron { transition: rotate .2s ease; }
.currency-toggle[aria-expanded="true"] .chevron { rotate: 180deg; }
.currency-list {
  position: absolute; right: 0; top: calc(100% + .6rem); z-index: 60;
  min-width: 250px; margin: 0; padding: .4rem; list-style: none;
  background: var(--white); color: var(--black);
  border: 3px solid var(--black); border-radius: 16px; box-shadow: var(--shadow-hard);
}
.currency-list li {
  display: flex; align-items: center; gap: .6rem; cursor: pointer;
  padding: .55rem .7rem; border-radius: 10px; min-height: 44px;
}
.currency-list li .code { font-family: var(--font-label); font-weight: 700; letter-spacing: .04em; }
.currency-list li .name { font-size: .9rem; color: #555; white-space: nowrap; }
.currency-list li:hover, .currency-list li.active { background: #FFF1C9; }
.currency-list li[aria-selected="true"] { background: var(--yellow); }
.currency-list li[aria-selected="true"]::after { content: "✓"; margin-left: auto; font-weight: 800; }

/* ---------- Instagram ---------- */
.social { background: var(--navy); color: var(--white); border-top: 4px solid var(--black); padding: clamp(4rem, 9vw, 6rem) clamp(16px, 4vw, 40px); }
.social .section-head p { color: #E6ECFA; }
.social-grid { max-width: 860px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 2.4rem); }
.social-card {
  display: flex; flex-direction: column; align-items: center; text-align: center; text-decoration: none; color: var(--black);
  background: var(--white); border: 4px solid var(--black); border-radius: var(--radius); box-shadow: var(--shadow-hard);
  padding: 2rem 1.5rem 1.8rem; transition: transform .2s ease, box-shadow .2s ease;
}
.social-card:hover { transform: translate(-3px, -3px) rotate(-1deg); box-shadow: 9px 9px 0 var(--black); }
.social-card:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }
.social-card img { width: 150px; height: 150px; object-fit: contain; margin-bottom: 1rem; filter: drop-shadow(5px 6px 0 rgba(0,0,0,.2)); }
.social-name { font-family: var(--font-display); font-size: 1.7rem; color: var(--navy); line-height: 1.1; }
.social-handle { font-family: var(--font-label); font-weight: 700; letter-spacing: .03em; color: var(--orange); margin: .3rem 0 .6rem; }
.social-desc { margin-bottom: 1.4rem; max-width: 22em; }
.btn-instagram { margin-top: auto; color: var(--white); background: linear-gradient(45deg, #F58529, #DD2A7B 45%, #8134AF 75%, #515BD4); }

.book-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.4rem); }
.book {
  background: var(--white); border: 4px solid var(--black); border-radius: var(--radius);
  box-shadow: var(--shadow-hard); overflow: hidden; display: flex; flex-direction: column;
}
.cover { position: relative; display: block; background: var(--navy); padding: 1.6rem 1.6rem 0; perspective: 900px; }
.cover img {
  border-radius: 6px 6px 0 0; box-shadow: 0 -2px 0 rgba(0,0,0,.2), 0 10px 30px rgba(0,0,0,.45);
  transition: transform .35s cubic-bezier(.2, .9, .3, 1.3);
  transform-origin: bottom center;
}
.cover:hover img, .cover:focus-visible img { transform: rotateX(6deg) rotate(-3deg) scale(1.03) translateY(-6px); }
.sticker {
  position: absolute; top: .9rem; right: .9rem;
  font-family: var(--font-label); font-weight: 700; text-transform: uppercase; font-size: .85rem; letter-spacing: .04em;
  padding: .35em .8em; border: 3px solid var(--black); border-radius: 999px; transform: rotate(6deg);
  box-shadow: 3px 3px 0 var(--black);
}
.sticker-green { background: var(--green); }
.sticker-pink { background: var(--pink); }
.sticker-blue { background: var(--sky); color: var(--white); }
.book-body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.book h3 { font-size: 1.6rem; color: var(--navy); }
.sub { font-family: var(--font-label); text-transform: uppercase; letter-spacing: .04em; color: var(--orange); font-weight: 700; margin: .3rem 0 .8rem; font-size: .95rem; }
.book-body > p { margin: 0 0 1rem; }
.facts { list-style: none; padding: 0; margin: 0 0 1.4rem; display: grid; gap: .35rem; font-size: .95rem; }
.facts li { padding-left: 1.6rem; position: relative; }
.facts li::before { content: "✎"; position: absolute; left: 0; color: var(--orange); font-weight: 800; }
.buy { margin-top: auto; display: grid; gap: .8rem; }
.buy .btn { width: 100%; }
.price { font-family: var(--font-display); font-size: 1.9rem; color: var(--navy); }

/* ---------- Therapy / mandala ---------- */
.therapy { background: var(--white); border-block: 4px solid var(--black); padding: clamp(4rem, 9vw, 7rem) clamp(16px, 4vw, 40px); }
.therapy-inner { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.phrase-wrap { text-align: center; }
.phrase-page {
  position: relative; max-width: 480px; margin: 0 auto;
  padding: clamp(1.6rem, 4vw, 2.6rem) clamp(1rem, 3vw, 2rem);
  background: var(--white); border: 4px solid var(--black); border-radius: 12px;
  box-shadow: var(--shadow-hard); transform: rotate(-1.5deg);
  /* Rayado suave de hoja de libro */
  background-image: repeating-linear-gradient(45deg, transparent 0 14px, rgba(0,0,0,.035) 14px 15px);
}
.phrase {
  margin: 0; font-family: var(--font-display); text-transform: uppercase;
  line-height: .95; letter-spacing: .01em;
}
.phrase .line { display: block; font-size: clamp(2.6rem, 9vw, 4.4rem); }
.phrase .line.big { font-size: clamp(3.4rem, 13vw, 6.2rem); }
.phrase .letter, .doodle {
  display: inline-block;
  color: var(--white);
  -webkit-text-stroke: 3px var(--black);
  paint-order: stroke fill;
  text-shadow: 4px 4px 0 var(--black);
  transition: color .45s ease, transform .35s cubic-bezier(.2, 1.8, .4, 1);
}
.phrase .letter { margin: 0 .025em; }
.phrase .letter.painted, .doodle.painted { color: var(--paint, var(--yellow)); transform: rotate(-3deg) scale(1.06); }
.phrase .letter:nth-child(even).painted { transform: rotate(3deg) scale(1.06); }
.doodle { position: absolute; font-size: 2.4rem; -webkit-text-stroke-width: 2px; text-shadow: 2px 2px 0 var(--black); }
.d1 { top: -1.2rem; left: -1rem; --paint: var(--yellow); }
.d2 { top: 40%; right: -1.3rem; --paint: var(--orange); }
.d3 { bottom: -1.1rem; left: 12%; --paint: var(--green); }
.d4 { bottom: 18%; left: -1.2rem; font-size: 1.8rem; --paint: var(--pink); }
.phrase-hint { font-family: var(--font-label); text-transform: uppercase; letter-spacing: .05em; color: #555; margin-top: 1.6rem; }
.therapy h2 { color: var(--navy); margin-bottom: 1.4rem; }
.checks { list-style: none; padding: 0; margin: 0 0 1.8rem; display: grid; gap: .8rem; }
.checks li { position: relative; padding-left: 2.6rem; font-size: 1.15rem; font-weight: 600; }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: .05rem; width: 1.8rem; height: 1.8rem; display: grid; place-items: center;
  background: var(--yellow); border: 3px solid var(--black); border-radius: 50%; font-weight: 800; font-size: .95rem;
}
.quote { font-size: 1.25rem; border-left: 6px solid var(--orange); padding-left: 1rem; margin: 0; }

/* ---------- About ---------- */
.about { background: var(--navy); color: var(--black); padding: clamp(4rem, 9vw, 7rem) clamp(16px, 4vw, 40px); position: relative; overflow: hidden; }
.about-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.about-logo { width: min(100%, 380px); margin: 0 auto; filter: drop-shadow(10px 12px 0 rgba(0,0,0,.35)); }
.about .bubble h2 { color: var(--navy); margin-bottom: .8rem; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.about .bubble p { margin: 0 0 .9rem; }
.about .bubble p:last-child { margin-bottom: 0; }

/* ---------- Chispazo Recomienda ---------- */
.deals { background: var(--yellow); border-top: 4px solid var(--black); padding: clamp(4rem, 9vw, 7rem) clamp(16px, 4vw, 40px); overflow: hidden; }
.deals-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.deals h2 { margin-bottom: 1.2rem; }
.deals-copy > p { font-size: 1.15rem; margin: 0 0 1.2rem; max-width: 32em; }
.deals-list { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; gap: .5rem; font-weight: 800; font-size: 1.1rem; }
.deals-img { width: min(100%, 440px); margin: 0 auto; filter: drop-shadow(10px 12px 0 rgba(0,0,0,.25)); }
.deals-img.in { animation: wiggle 4s ease-in-out 1s infinite; }
@keyframes wiggle { 0%, 100% { rotate: 0deg; } 5% { rotate: -4deg; } 10% { rotate: 3deg; } 15% { rotate: 0deg; } }
.btn-whatsapp { background: #25D366; color: var(--black); font-size: 1.15rem; padding: 1em 1.8em; }

/* ---------- FAQ ---------- */
.faq { padding: clamp(4rem, 9vw, 7rem) clamp(16px, 4vw, 40px); }
.faq h2 { color: var(--navy); }
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 1rem; }
.faq details { background: var(--white); border: 3px solid var(--black); border-radius: 18px; box-shadow: 4px 4px 0 var(--black); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.1rem 3.4rem 1.1rem 1.3rem; position: relative;
  font-family: var(--font-display); font-size: 1.3rem; color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 1rem; top: 50%; translate: 0 -50%;
  width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%;
  background: var(--yellow); border: 3px solid var(--black); font-family: var(--font-body); font-weight: 800;
  transition: rotate .25s ease;
}
.faq details[open] summary::after { rotate: 45deg; }
.faq summary:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 16px; }
.faq details p { margin: 0; padding: 0 1.3rem 1.2rem; }

/* ---------- Final ---------- */
.final { background: var(--yellow); border-top: 4px solid var(--black); padding: clamp(4rem, 9vw, 6rem) clamp(16px, 4vw, 40px); text-align: center; }
.final-inner { max-width: 820px; margin: 0 auto; }
.final h2 { margin-bottom: 2rem; }
.hl-dark { color: var(--orange); -webkit-text-stroke: 1.5px var(--black); }

.footer { background: var(--black); color: #cfcfcf; text-align: center; padding: 2rem 16px; font-size: .95rem; }
.footer p { margin: .3rem 0; }
.footer a { color: var(--yellow); }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .3, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .book-grid { grid-template-columns: 1fr; max-width: 520px; }
  .hero-inner, .therapy-inner, .about-inner, .deals-inner, .social-grid { grid-template-columns: 1fr; }
  .social-grid { max-width: 440px; }
  .deals-img { order: -1; width: min(70vw, 320px); }
  .hero-art { order: -1; }
  .hero-logo { width: min(70vw, 320px); }
  .nav { display: none; }
  .bubble-left::after { left: 50%; top: -26px; transform: rotate(-135deg) translateX(50%); }
}
@media (max-width: 480px) {
  .brand span { font-size: 1.05rem; }
  .bubble { padding: 1.1rem 1.2rem; }
  .btn { width: 100%; }
  .btn-small { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}