/*! Spanish with Sofís — landing styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter Tight', -apple-system, sans-serif;
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { text-wrap: balance; }
p, li { text-wrap: pretty; }
.serif { font-family: 'Fraunces', serif; }
.mono { font-family: 'JetBrains Mono', monospace; }
em { font-family: 'Fraunces', serif; font-style: italic; color: var(--ember); font-weight: 400; }
/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247,245,240,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow .3s var(--ease);
}
.nav.scrolled { box-shadow: var(--shadow-raised); }
.nav-inner {
  max-width: 1240px; margin: 0 auto;
  padding: var(--sp-4) var(--sp-6);
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5);
  transition: padding .3s var(--ease);
}
.nav.scrolled .nav-inner { padding: var(--sp-3) var(--sp-6); }
.brand { font-family: 'Fraunces', serif; font-weight: 500; font-size: var(--fs-lg); letter-spacing: -0.01em; }
.brand em { color: var(--ink); font-family: 'Fraunces', serif; font-style: italic; }
.nav-links { display: flex; gap: var(--sp-6); list-style: none; }
.nav-links a { position: relative; color: var(--gray-600); text-decoration: none; font-size: var(--fs-sm); font-weight: 500; transition: color .2s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--ember); border-radius: 2px; }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer; padding: var(--sp-2);
  width: 40px; height: 40px; align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span::before { position: absolute; transform: translateY(-7px); }
.nav-toggle span::after { position: absolute; transform: translateY(7px); }
.nav-toggle span { position: relative; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(0) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(0) rotate(-45deg); }
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: 3px; font-weight: 600; font-size: var(--fs-sm);
  text-decoration: none; border: none; cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease);
  font-family: 'Inter Tight', sans-serif;
}
.btn-primary { background: var(--ember); color: var(--paper); }
.btn-primary:hover { background: var(--obsidian); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--paper); border: 1px solid rgba(247,245,240,.3); }
.btn-ghost:hover { border-color: var(--sun); color: var(--sun); }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; top: 65px; left: 0; right: 0; z-index: 99;
    flex-direction: column; gap: 0; background: var(--paper);
    border-bottom: 1px solid var(--gray-100);
    max-height: 0; overflow: hidden; transition: max-height .3s var(--ease);
  }
  .nav-links.open { max-height: 400px; }
  .nav-links a { display: block; padding: var(--sp-4) var(--sp-6); border-bottom: 1px solid var(--gray-100); }
  .nav-links a.active::after { display: none; }
}
/* ===== SCROLL-REVEAL ===== */
.js .reveal-target { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal-target.in-view { opacity: 1; transform: translateY(0); }
.chapters-grid .reveal-target:nth-child(1) { transition-delay: 0ms; }
.chapters-grid .reveal-target:nth-child(2) { transition-delay: 60ms; }
.chapters-grid .reveal-target:nth-child(3) { transition-delay: 120ms; }
.chapters-grid .reveal-target:nth-child(4) { transition-delay: 180ms; }
.chapters-grid .reveal-target:nth-child(5) { transition-delay: 240ms; }
.chapters-grid .reveal-target:nth-child(n+6) { transition-delay: 300ms; }
.layers-grid .reveal-target:nth-child(2), .tiers .reveal-target:nth-child(2) { transition-delay: 90ms; }
.layers-grid .reveal-target:nth-child(3), .tiers .reveal-target:nth-child(3) { transition-delay: 180ms; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal-target { opacity: 1; transform: none; transition: none; }
  .hero-kicker .dot { animation: none; }
}
/* ===== STICKY MOBILE CTA ===== */
.mobile-cta-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  background: rgba(10,14,26,.96); backdrop-filter: blur(10px);
  padding: var(--sp-3) var(--sp-4); align-items: center; justify-content: space-between; gap: var(--sp-3);
  transform: translateY(100%); transition: transform .3s var(--ease);
  border-top: 1px solid rgba(247,245,240,.1);
}
.mobile-cta-bar.visible { transform: translateY(0); }
.mobile-cta-bar .price-hint { color: var(--bone); font-size: var(--fs-xs); }
.mobile-cta-bar .price-hint strong { display: block; font-family: 'Fraunces', serif; font-size: var(--fs-base); color: var(--paper); }
@media (max-width: 820px) { .mobile-cta-bar { display: flex; } }
/* ===== ACCESSIBILITY ===== */
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ember); color: var(--paper);
  padding: var(--sp-3) var(--sp-5); z-index: 1000; border-radius: 0 0 4px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }
/* ===== HERO ===== */
.hero { background: var(--obsidian); color: var(--paper); position: relative; overflow: hidden; padding: var(--sp-9) var(--sp-6) var(--sp-9); }
.hero::before {
  content: ''; position: absolute; top: -240px; right: -160px; width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(232,93,47,.22), transparent 70%); pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -260px; left: -200px; width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(242,193,78,.10), transparent 70%); pointer-events: none;
}
.hero-inner { max-width: 1240px; margin: 0 auto; position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--sp-8); align-items: center; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } }
.hero-kicker {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3); border: 1px solid rgba(247,245,240,.2); border-radius: 100px;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--bone); margin-bottom: var(--sp-6);
}
.hero-kicker .dot { width: 6px; height: 6px; background: var(--ember); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.hero h1 { font-family: 'Fraunces', serif; font-weight: 400; font-size: clamp(2.6rem, 5.4vw, var(--fs-hero)); line-height: 1.04; letter-spacing: -0.03em; margin-bottom: var(--sp-5); }
.hero-sub { font-size: var(--fs-lg); color: var(--bone); max-width: 560px; margin-bottom: var(--sp-7); line-height: 1.55; }
.hero-ctas { display: flex; gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-8); }
.hero-meta { display: flex; gap: var(--sp-6); flex-wrap: wrap; padding-top: var(--sp-6); border-top: 1px solid rgba(247,245,240,.12); }
.hero-meta .item .label { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); margin-bottom: 4px; }
.hero-meta .item .value { font-family: 'Fraunces', serif; font-size: var(--fs-lg); }
.hero-portrait { position: relative; }
.hero-portrait img { border-radius: 6px; width: 100%; }
.hero-portrait .tag {
  position: absolute; bottom: -18px; left: -18px; background: var(--paper); color: var(--ink);
  padding: var(--sp-3) var(--sp-5); border-radius: 4px; box-shadow: var(--shadow-floating);
  font-family: 'Fraunces', serif; font-size: var(--fs-sm); max-width: 240px; line-height: 1.4;
}
.hero-portrait .tag strong { display: block; font-style: italic; color: var(--ember); }
/* ===== SECTION SHELL ===== */
section { padding: var(--sp-9) var(--sp-6); }
.section-inner { max-width: 1240px; margin: 0 auto; }
.kicker { display: inline-block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ember); margin-bottom: var(--sp-3); }
.section-title { font-family: 'Fraunces', serif; font-weight: 500; font-size: clamp(1.9rem, 3.6vw, var(--fs-3xl)); line-height: 1.12; letter-spacing: -0.02em; margin-bottom: var(--sp-4); max-width: 820px; }
.section-lead { font-size: var(--fs-lg); color: var(--gray-600); max-width: 640px; line-height: 1.55; margin-bottom: var(--sp-7); }
.on-dark .section-lead { color: var(--bone); }
.on-dark .kicker { color: var(--sun); }
/* ===== POSITIONING ===== */
.positioning { background: var(--paper); }
.pos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items: start; }
@media (max-width: 820px) { .pos-grid { grid-template-columns: 1fr; } }
.pos-grid p { margin-bottom: var(--sp-4); color: var(--gray-600); }
.pos-grid strong { color: var(--ink); font-weight: 600; }
.pull-card {
  background: var(--obsidian); color: var(--paper); padding: var(--sp-7); border-radius: 4px;
}
.pull-card .quote { font-family: 'Fraunces', serif; font-style: italic; font-size: var(--fs-xl); line-height: 1.35; color: var(--sun); border-left: 2px solid var(--ember); padding-left: var(--sp-4); margin-bottom: var(--sp-5); }
.pull-card ul { list-style: none; }
.pull-card li { padding: var(--sp-3) 0; border-bottom: 1px solid rgba(247,245,240,.1); font-size: var(--fs-sm); display: flex; gap: var(--sp-3); color: var(--bone); }
.pull-card li:last-child { border-bottom: none; }
.pull-card li::before { content: '—'; color: var(--ember); flex-shrink: 0; font-size: 13px; }
/* ===== LAYERS ===== */
.layers { background: var(--obsidian); color: var(--paper); }
.layers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
@media (max-width: 900px) { .layers-grid { grid-template-columns: 1fr; } }
.layer { background: rgba(247,245,240,.04); border: 1px solid rgba(247,245,240,.1); padding: var(--sp-7); border-radius: 4px; transition: all .25s var(--ease); }
.layer:hover { background: rgba(247,245,240,.06); border-color: var(--ember); transform: translateY(-3px); }
.layer.soon { opacity: .58; border-style: dashed; }
.layer.soon:hover { transform: none; opacity: .78; border-color: rgba(247,245,240,.22); }
.layer.soon .layer-num { color: var(--sun); }
.layer.soon li::before { content: '·'; color: var(--gray-400); }
.layer .layer-num { font-family: 'JetBrains Mono', monospace; font-size: var(--fs-xs); color: var(--gray-400); letter-spacing: .1em; margin-bottom: var(--sp-4); }
.layer h3 { font-family: 'Fraunces', serif; font-size: var(--fs-2xl); font-weight: 500; margin-bottom: var(--sp-3); letter-spacing: -0.02em; }
.layer p.desc { color: var(--bone); font-size: var(--fs-sm); line-height: 1.6; margin-bottom: var(--sp-5); }
.layer ul { list-style: none; padding-top: var(--sp-4); border-top: 1px solid rgba(247,245,240,.1); }
.layer li { font-size: var(--fs-sm); padding: var(--sp-2) 0; color: var(--bone); display: flex; gap: var(--sp-2); }
.layer li::before { content: '·'; color: var(--sun); font-weight: 700; }
/* ===== CHAPTERS ===== */
.chapters { background: var(--paper); }
.chapters-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: var(--sp-4); }
.chapter-card { background: white; border: 1px solid var(--gray-100); padding: var(--sp-5); border-radius: 4px; transition: all .25s var(--ease); }
.chapter-card:hover { border-color: var(--ember); box-shadow: var(--shadow-raised); transform: translateY(-2px); }
.chapter-num { font-family: 'JetBrains Mono', monospace; font-size: var(--fs-xs); color: var(--gray-400); letter-spacing: .08em; margin-bottom: var(--sp-3); }
.chapter-card h3 { font-family: 'Fraunces', serif; font-size: var(--fs-lg); font-weight: 600; letter-spacing: -0.01em; margin-bottom: var(--sp-2); }
.chapter-card .tag-line { font-size: var(--fs-sm); color: var(--gray-600); line-height: 1.5; margin-bottom: var(--sp-3); }
.chapter-card .meta { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--gray-400); text-transform: uppercase; letter-spacing: .08em; padding-top: var(--sp-3); border-top: 1px dashed var(--gray-200); display: flex; gap: var(--sp-3); flex-wrap: wrap; align-items: center; }
/* ===== SAMPLE CHAPTER ===== */
.sample { background: var(--obsidian); color: var(--paper); }
.book-mockup { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 0; background: var(--paper); color: var(--ink); border-radius: 4px; overflow: hidden; box-shadow: var(--shadow-floating); }
@media (max-width: 900px) { .book-mockup { grid-template-columns: 1fr; } }
.book-page { padding: var(--sp-7); position: relative; }
.book-page-left { background: var(--gray-50); border-right: 1px dashed var(--gray-200); display: flex; flex-direction: column; }
.book-page-right { background: white; }
.chapter-header { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ember); margin-bottom: var(--sp-3); }
.chapter-title-display { font-family: 'Fraunces', serif; font-weight: 400; font-size: var(--fs-2xl); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: var(--sp-2); }
.chapter-subtitle { font-style: italic; font-family: 'Fraunces', serif; color: var(--gray-600); margin-bottom: var(--sp-5); }
.sample-illustration { border-radius: 4px; overflow: hidden; margin-top: auto; background: var(--bone); }
.sample-illustration img { width: 100%; }
.speech-bubble { background: white; border: 1px solid var(--gray-100); padding: var(--sp-4) var(--sp-5); border-radius: 8px; margin-bottom: var(--sp-3); font-family: 'Fraunces', serif; box-shadow: 0 1px 2px rgba(10,14,26,.04); }
.speech-bubble .role { font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); display: block; margin-bottom: 4px; }
.speech-bubble .es { color: var(--ink); font-weight: 500; display: block; font-size: var(--fs-base); }
.speech-bubble .en { color: var(--gray-400); font-size: var(--fs-sm); font-style: italic; }
.tip-box { background: var(--obsidian); color: var(--paper); padding: var(--sp-5); border-radius: 3px; margin: var(--sp-5) 0; border-left: 3px solid var(--ember); }
.tip-box .tip-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--sun); margin-bottom: var(--sp-2); }
.tip-box p { font-size: var(--fs-sm); line-height: 1.6; color: var(--bone); }
.vocab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--sp-5); margin: var(--sp-5) 0; }
@media (max-width: 500px) { .vocab-grid { grid-template-columns: 1fr; } }
.vocab-row { display: flex; justify-content: space-between; gap: var(--sp-3); padding: var(--sp-2) 0; border-bottom: 1px solid var(--gray-100); }
.vocab-es { font-family: 'Fraunces', serif; font-weight: 500; }
.vocab-en { font-size: var(--fs-sm); color: var(--gray-600); font-style: italic; }
.sample-closing { text-align: center; padding-top: var(--sp-7); }
.sample-closing p { font-family: 'Fraunces', serif; font-style: italic; font-size: var(--fs-xl); max-width: 640px; margin: 0 auto var(--sp-3); line-height: 1.4; }
.sample-closing .who { font-family: 'JetBrains Mono', monospace; font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--sun); }
/* ===== MEET SOFIA ===== */
.about { background: var(--paper); }
.about-flex { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--sp-8); align-items: center; }
@media (max-width: 900px) { .about-flex { grid-template-columns: 1fr; } }
.about-portrait { border-radius: 6px; overflow: hidden; background: var(--bone); }
.about-copy p { color: var(--gray-600); margin-bottom: var(--sp-4); line-height: 1.7; }
.about-copy strong { color: var(--ink); font-weight: 600; }
.about-facts { display: flex; gap: var(--sp-6); flex-wrap: wrap; margin-top: var(--sp-6); padding-top: var(--sp-6); border-top: 1px solid var(--gray-100); }
.about-facts .fact .label { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--gray-400); margin-bottom: 4px; }
.about-facts .fact .value { font-family: 'Fraunces', serif; font-size: var(--fs-lg); }
/* ===== PRICING ===== */
.pricing { background: var(--obsidian); color: var(--paper); }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
@media (max-width: 900px) { .tiers { grid-template-columns: 1fr; } }
.tier { background: rgba(247,245,240,.04); border: 1px solid rgba(247,245,240,.1); padding: var(--sp-7); border-radius: 4px; display: flex; flex-direction: column; transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease); }
.tier:hover { transform: translateY(-4px); border-color: rgba(247,245,240,.25); background: rgba(247,245,240,.06); }
.tier.featured { border-color: var(--ember); background: rgba(232,93,47,.07); position: relative; }
.tier.featured:hover { border-color: var(--ember); background: rgba(232,93,47,.1); }
.tier.featured::before { content: 'AVAILABLE NOW'; position: absolute; top: -12px; right: var(--sp-5); background: var(--ember); color: var(--paper); padding: 4px var(--sp-3); font-size: 10px; font-family: 'JetBrains Mono', monospace; letter-spacing: .1em; border-radius: 2px; z-index: 2; }
.tier.featured::after {
  content: '✦'; position: absolute; top: -6px; left: var(--sp-6); color: var(--sun); font-size: 14px;
  opacity: 0; transform: scale(0) rotate(-20deg); transition: opacity .4s var(--ease) .5s, transform .5s var(--ease) .5s;
}
.js .tier.featured.in-view::after { opacity: 1; transform: scale(1) rotate(0deg); }
.tier h3 { font-family: 'Fraunces', serif; font-size: var(--fs-2xl); font-weight: 500; margin-bottom: var(--sp-2); }
.tier .tier-desc { font-size: var(--fs-sm); color: var(--bone); margin-bottom: var(--sp-5); line-height: 1.5; min-height: 48px; }
.tier .tier-price { font-family: 'Fraunces', serif; font-size: var(--fs-3xl); margin-bottom: var(--sp-1); letter-spacing: -0.02em; }
.tier .tier-price-detail { font-family: 'JetBrains Mono', monospace; font-size: var(--fs-xs); color: var(--gray-400); letter-spacing: .1em; margin-bottom: var(--sp-5); }
.tier ul { list-style: none; padding-top: var(--sp-4); border-top: 1px solid rgba(247,245,240,.1); flex: 1; }
.tier li { font-size: var(--fs-sm); padding: var(--sp-2) 0; color: var(--bone); display: flex; gap: var(--sp-2); line-height: 1.4; }
.tier li::before { content: '✓'; color: var(--ember); font-weight: 700; flex-shrink: 0; }
.tier .btn { justify-content: center; margin-top: var(--sp-6); width: 100%; }
.tier:not(.featured) .btn { background: transparent; border: 1px solid rgba(247,245,240,.3); color: var(--paper); }
.tier:not(.featured) .btn:hover { border-color: var(--sun); color: var(--sun); }
/* ---- COMING SOON ----------------------------------------------------
   V1 vende únicamente el eBook. Academy y suscripción están aparcadas,
   no canceladas. Se muestran para señalar el recorrido del producto y
   para captar lista de espera — pero NO se pueden comprar. Prometer
   lo que no existe es el riesgo más caro de este lanzamiento.
   -------------------------------------------------------------------- */
.tier.soon { opacity: .58; border-style: dashed; }
.tier.soon:hover { transform: none; opacity: .78; border-color: rgba(247,245,240,.22); }
.tier.soon::before {
  content: 'COMING SOON'; position: absolute; top: -12px; right: var(--sp-5);
  background: transparent; color: var(--sun); border: 1px solid var(--sun);
  padding: 3px var(--sp-3); font-size: 10px; font-family: 'JetBrains Mono', monospace;
  letter-spacing: .1em; border-radius: 2px; z-index: 2;
}
.tier.soon { position: relative; }
.tier.soon .tier-price { color: var(--gray-400); }
.tier.soon li::before { content: '·'; color: var(--gray-400); }
.tier.soon .btn { border-style: dashed; }
/* ---- Marca · el trazo ----
   Un solo trazo continuo, reconstruido del PDF v4. Sustituye al emoji 🦋:
   un emoji se dibuja distinto en cada sistema operativo y en ninguno se
   parece a la marca. Hereda color del contexto vía currentColor. -------- */
.mark { display: inline-block; vertical-align: -.15em; overflow: visible; }
.brand .mark { margin-left: 2px; opacity: .9; }
/* ---- Lista de espera ---- */
.waitlist {
  margin-top: var(--sp-8); padding: var(--sp-7);
  border: 1px solid var(--sun); border-radius: 4px;
  background: rgba(232,181,71,.06);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--sp-7); align-items: center;
}
@media (max-width: 820px) { .waitlist { grid-template-columns: 1fr; } }
.waitlist h3 { font-family: 'Fraunces', serif; font-size: var(--fs-xl); font-weight: 500; margin-bottom: var(--sp-2); letter-spacing: -.02em; }
.waitlist p { font-size: var(--fs-sm); color: var(--bone); line-height: 1.55; }
.waitlist-form { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.waitlist-form input[type="email"], .waitlist-form input[type="text"] {
  flex: 1; min-width: 160px; height: 46px; padding: 0 var(--sp-4);
  background: rgba(247,245,240,.06); border: 1px solid rgba(247,245,240,.28);
  border-radius: 4px; color: var(--paper); font-family: 'Inter Tight', sans-serif;
  font-size: var(--fs-sm);
}
.waitlist-form input[type="email"]::placeholder, .waitlist-form input[type="text"]::placeholder { color: var(--gray-400); }
.waitlist-form input[type="email"]:focus, .waitlist-form input[type="text"]:focus { outline: none; border-color: var(--sun); }
.waitlist-form .btn { height: 46px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* ===== FAQ ===== */
.faq { background: var(--paper); }
.faq-list { max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--gray-100); }
.faq-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  background: none; border: none; cursor: pointer; text-align: left; padding: var(--sp-5) 0;
  font-family: 'Fraunces', serif; font-weight: 500; font-size: var(--fs-lg); color: var(--ink);
}
.faq-trigger .chev { flex-shrink: 0; width: 20px; height: 20px; position: relative; transition: transform .3s var(--ease); }
.faq-trigger .chev::before, .faq-trigger .chev::after { content: ''; position: absolute; top: 50%; width: 10px; height: 2px; background: var(--ember); border-radius: 2px; }
.faq-trigger .chev::before { left: 0; transform: rotate(45deg); }
.faq-trigger .chev::after { right: 0; transform: rotate(-45deg); }
.faq-item[data-open="true"] .faq-trigger .chev { transform: rotate(180deg); }
.faq-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease); }
.faq-item[data-open="true"] .faq-panel { grid-template-rows: 1fr; }
.faq-panel-inner { overflow: hidden; }
.faq-panel p { color: var(--gray-600); font-size: var(--fs-base); line-height: 1.6; max-width: 680px; padding-bottom: var(--sp-5); }
/* ===== CLOSING ===== */
.closing { background: var(--paper); }
.closing h2 { font-family: 'Fraunces', serif; font-weight: 400; font-size: clamp(2rem, 4.4vw, var(--fs-4xl)); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: var(--sp-5); max-width: 800px; }
.closing p.lead { font-size: var(--fs-lg); color: var(--gray-600); max-width: 620px; margin-bottom: var(--sp-6); }
/* ===== FOOTER ===== */
footer { background: var(--obsidian); color: var(--bone); padding: var(--sp-7) var(--sp-6) var(--sp-5); font-size: var(--fs-sm); }
.footer-inner { max-width: 1240px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-5); }
.footer-inner .brand { color: var(--paper); margin-bottom: var(--sp-2); }
footer .fine { font-family: 'JetBrains Mono', monospace; font-size: var(--fs-xs); color: var(--gray-400); letter-spacing: .05em; }

/* ================= WhatsApp widget + classes ================= */
.wac-wrap{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.wac-box{width:340px;background:#fff;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.22);overflow:hidden;display:none;flex-direction:column;font-family:inherit}
.wac-box.open{display:flex}
.wac-head{background:var(--obsidian);padding:14px 16px;display:flex;align-items:center;gap:10px}
.wac-avatar{width:42px;height:42px;border-radius:50%;background:var(--ember);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.wac-avatar svg{width:24px;height:24px;fill:#fff}
.wac-info{flex:1}
.wac-name{color:var(--paper);font-weight:700;font-size:15px;line-height:1.2;font-family:'Fraunces',serif}
.wac-status{color:var(--sun);font-size:12px}
.wac-close{background:none;border:none;cursor:pointer;color:rgba(247,245,240,.8);font-size:20px;line-height:1;padding:4px}
.wac-body{background:var(--gray-100);padding:16px;min-height:120px;display:flex;flex-direction:column;gap:8px}
.wac-msg{background:#fff;border-radius:8px 8px 8px 0;padding:10px 14px;font-size:14px;color:var(--ink);max-width:90%;box-shadow:0 1px 2px rgba(10,14,26,.1);position:relative}
.wac-msg::after{content:'';position:absolute;left:-6px;top:0;border:6px solid transparent;border-right-color:#fff;border-top:0}
.wac-msg-time{font-size:11px;color:var(--gray-400);text-align:right;margin-top:4px}
.wac-footer{padding:10px 12px;background:var(--gray-50);display:flex;gap:8px;align-items:center}
.wac-input{flex:1;border:none;border-radius:20px;padding:10px 14px;font-size:14px;outline:none;resize:none;font-family:inherit;background:#fff;color:var(--ink)}
.wac-send{width:42px;height:42px;border-radius:50%;background:var(--ember);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
.wac-send:hover{background:var(--obsidian)}
.wac-send svg{width:20px;height:20px;fill:#fff}
.wac-btn{width:58px;height:58px;border-radius:50%;background:var(--ember);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(209,72,32,.45);transition:transform .2s;position:relative}
.wac-btn:hover{transform:scale(1.08)}
.wac-btn svg{width:30px;height:30px;fill:#fff;pointer-events:none}
.wac-pulse{position:absolute;inset:0;border-radius:50%;background:var(--ember);opacity:.5;animation:wac-ring 2s ease-out infinite;pointer-events:none}
@keyframes wac-ring{0%{transform:scale(1);opacity:.5}70%{transform:scale(1.55);opacity:0}100%{transform:scale(1.55);opacity:0}}
.wac-typing{display:none;gap:5px;align-items:center;padding:4px 0}
.wac-typing.show{display:flex}
.wac-dot{width:7px;height:7px;border-radius:50%;background:#999;animation:wac-bounce .9s infinite}
.wac-dot:nth-child(2){animation-delay:.15s}
.wac-dot:nth-child(3){animation-delay:.3s}
@keyframes wac-bounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-5px)}}
/* En móvil, la barra CTA fija ocupa la franja inferior — subimos el widget para que no se tapen */
@media (max-width: 820px) { .wac-wrap { bottom: 84px; } }

/* ---- Clases 1:1 (producto secundario; el eBook manda) ---- */
.classes { background: var(--paper); }
.class-packs { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); max-width: 980px; }
@media (max-width: 900px) { .class-packs { grid-template-columns: 1fr; } }
.class-pack { border: 1px solid var(--gray-200); border-radius: 4px; padding: var(--sp-6); display: flex; flex-direction: column; background: var(--gray-50); }
.class-pack h3 { font-family: 'Fraunces', serif; font-size: var(--fs-xl); font-weight: 500; margin-bottom: var(--sp-2); }
.class-pack .pp { font-family: 'Fraunces', serif; font-size: var(--fs-2xl); letter-spacing: -0.02em; }
.class-pack .pp-detail { font-family: 'JetBrains Mono', monospace; font-size: var(--fs-xs); color: var(--gray-400); letter-spacing: .08em; margin-bottom: var(--sp-5); }
.class-pack .btn { margin-top: auto; justify-content: center; background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.class-pack .btn:hover { background: var(--ink); color: var(--paper); }
.classes-note { margin-top: var(--sp-5); font-size: var(--fs-sm); color: var(--gray-600); max-width: 640px; }

/* ================= WCAG 2.2 AA contrast layer (2026-09-27) =================
   Brand colours stay in the tokens; here they are only darkened/lightened where text
   sits on them and the ratio was under 4.5:1 (axe-core audit). */
:root { --ember-ui: #B23C18; --muted-on-dark: #A89C8D; }
.btn-primary, .consent .btn-primary { background: var(--ember-ui); }
.btn-primary:hover { background: var(--obsidian); }
.kicker, .chapter-header { color: var(--ember-text); }
.sample .kicker, .pricing .kicker, .layers .kicker, .on-dark .kicker { color: var(--sun); }
.sample .section-lead, .pricing .section-lead { color: var(--bone); }
.layer .layer-num, .tier .tier-price-detail, .tier.soon .tier-price, footer .fine { color: var(--muted-on-dark); }
.brand em.accent-sun, footer .brand em { color: var(--sun); }

/* ================= Components added 2026-09-27 ================= */
.link-sun { color: var(--sun); text-decoration: underline; text-underline-offset: 3px; }
.link-inline { color: var(--ember-text); text-decoration: underline; text-underline-offset: 2px; }
.accent-sun { color: var(--sun); }
.waitlist-status { margin-top: 12px; font-size: var(--fs-sm); }
.waitlist-status.is-ok { color: var(--sun); }
.waitlist-status.is-error { color: #ff8a6b; }
.waitlist-legal { margin-top: 12px; font-size: var(--fs-xs); color: var(--bone); max-width: 560px; line-height: 1.5; }
.waitlist-legal a { color: var(--sun); text-decoration: underline; }
footer .footer-legal { margin-bottom: 8px; display: flex; flex-wrap: wrap; gap: 4px 14px; }
footer .footer-link { color: var(--bone); text-decoration: underline; text-underline-offset: 2px; background: none; border: 0; padding: 0; font: inherit; letter-spacing: inherit; cursor: pointer; }
footer .footer-link:hover, footer .footer-link:focus-visible { color: var(--sun); }
footer .fine-gap { margin-top: 8px; }
picture { display: block; }
picture img { display: block; height: auto; }

/* WhatsApp widget: AI disclosure (EU AI Act art. 50) */
.wac-note { font-size: 11px; color: var(--gray-600); padding: 0 12px 10px; background: var(--gray-50); line-height: 1.4; }
.wac-note a { color: var(--ember-text); text-decoration: underline; }

/* Consent banner */
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 10000; max-width: 600px; margin: 0 auto;
  background: var(--obsidian); color: var(--paper); border: 1px solid rgba(247,245,240,.18); border-radius: 8px;
  padding: 18px 20px; box-shadow: 0 8px 40px rgba(0,0,0,.35); font-size: var(--fs-sm); line-height: 1.5; }
.consent[hidden] { display: none; }
.consent-title { font-family: 'Fraunces', serif; font-weight: 500; font-size: var(--fs-lg); margin-bottom: 6px; }
.consent p { margin-bottom: 12px; color: var(--bone); }
.consent a { color: var(--sun); text-decoration: underline; }
.consent-prefs { border-top: 1px solid rgba(247,245,240,.15); padding-top: 12px; margin-bottom: 12px; display: grid; gap: 10px; }
.consent-prefs[hidden] { display: none; }
.consent-option { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; cursor: pointer; }
.consent-option input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--ember); }
.consent-option strong { display: block; color: var(--paper); }
.consent-option span { color: var(--bone); font-size: var(--fs-xs); }
.consent-gpc { color: var(--sun); font-size: var(--fs-xs); }
.consent-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.consent-actions .btn { padding: 9px 18px; }
.consent-actions .btn[hidden] { display: none; }
@media (max-width: 820px) { .consent { bottom: 84px; max-height: calc(100vh - 110px); overflow: auto; } }
/* Mobile header: keep brand and CTA on one line */
@media (max-width: 560px) {
  .nav .brand { white-space: nowrap; font-size: var(--fs-base); }
  .nav .brand .mark { display: none; }
  .nav-inner, .nav.scrolled .nav-inner { padding-left: 16px; padding-right: 16px; gap: 10px; }
  .nav-inner > .btn-primary { white-space: nowrap; padding: 10px 14px; font-size: var(--fs-sm); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }