/* ============================================================
   LANDING PAGE PREMIUM — LAS PREGUNTAS QUE NADIE SE ATREVE
   Paleta: #0a0a0a (negro), #F4B400 (dourado), #1a1a1a (cinza escuro)
   ============================================================ */

:root {
  --black:    #050505;
  --dark:     #0f0f0f;
  --dark2:    #1a1a1a;
  --dark3:    #242424;
  --gold:     #F4B400;
  --gold-lt:  #ffd04d;
  --gold-dk:  #c49000;
  --white:    #ffffff;
  --gray:     #a0a0a0;
  --gray-lt:  #d0d0d0;
  --danger:   #e53e3e;
  --radius:   12px;
  --radius-lg:20px;
  --shadow:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 30px rgba(244,180,0,0.25);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Barlow', system-ui, sans-serif;
  --font-cond: 'Barlow Condensed', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { text-decoration: none; color: inherit; }

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold-text { color: var(--gold); }

.section-tag {
  display: inline-block;
  font-family: var(--font-cond);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(244,180,0,0.4);
  padding: 5px 14px;
  border-radius: 40px;
  margin-bottom: 18px;
  background: rgba(244,180,0,0.06);
}

.section-center { text-align: center; margin-bottom: 56px; }
.center-tag { display: block; text-align: center; }

.section-subtitle {
  font-size: 17px;
  color: var(--gray-lt);
  max-width: 600px;
  margin: 16px auto 0;
  line-height: 1.7;
}

.section-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.section-layout.reverse { direction: rtl; }
.section-layout.reverse > * { direction: ltr; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-cond);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 18px 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.btn-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-cta:hover { transform: translateY(-3px); background: var(--gold-lt); box-shadow: 0 16px 40px rgba(244,180,0,0.45); }
.btn-cta:hover::before { opacity: 1; }

.btn-hero { font-size: 18px; padding: 22px 52px; border-radius: 10px; }
.btn-offer { font-size: 20px; padding: 24px 60px; border-radius: 10px; width: 100%; }
.btn-final { font-size: 20px; padding: 22px 60px; border-radius: 10px; }

@keyframes glow {
  0%,100% { box-shadow: 0 0 20px rgba(244,180,0,0.4), 0 8px 30px rgba(0,0,0,0.4); }
  50%      { box-shadow: 0 0 50px rgba(244,180,0,0.7), 0 8px 30px rgba(0,0,0,0.4); }
}
.glow-pulse { animation: glow 2.5s ease-in-out infinite; }

/* ============================================================
   STICKY TOP BAR
   ============================================================ */
.sticky-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(244,180,0,0.2);
  padding: 10px 0;
  transform: translateY(0);
  transition: transform 0.3s;
}
.sticky-topbar.hidden { transform: translateY(-100%); }

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

.topbar-live { color: var(--gray-lt); }
.topbar-sep { color: rgba(255,255,255,0.2); }
.topbar-timer { color: var(--gray-lt); }
.topbar-timer strong { color: var(--gold); }

.topbar-btn {
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.topbar-btn:hover { background: var(--gold-lt); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  transform: scale(1.05);
  transition: transform 0.5s;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(5,5,5,0.96) 0%,
    rgba(5,5,5,0.85) 50%,
    rgba(5,5,5,0.75) 100%
  );
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  font-size: 10px;
  font-family: var(--font-cond);
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(244,180,0,0.1);
  border: 1px solid rgba(244,180,0,0.3);
  padding: 6px 18px;
  border-radius: 40px;
  display: inline-block;
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-cond);
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--gray-lt);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.hero-benefits span {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  background: rgba(244,180,0,0.12);
  border: 1px solid rgba(244,180,0,0.25);
  padding: 6px 14px;
  border-radius: 6px;
}

.hero-price-block {
  margin-bottom: 28px;
}
.old-price { font-size: 14px; color: var(--gray); margin-bottom: 4px; }
.current-price { font-size: 32px; font-weight: 700; color: var(--white); }
.current-price span { color: var(--gold); font-size: 52px; font-family: var(--font-cond); }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--gray);
}
.hero-trust strong { color: var(--white); }

.urgency-bar {
  position: relative;
  background: var(--dark2);
  border: 1px solid var(--dark3);
  border-radius: 8px;
  padding: 14px 16px;
  overflow: hidden;
  font-size: 13px;
}
.urgency-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  background: linear-gradient(90deg, rgba(244,180,0,0.15), rgba(244,180,0,0.05));
  width: 78%;
  transition: width 1s ease;
}
#urgencyText { position: relative; z-index: 1; }
#urgencyText strong { color: var(--gold); }

.hero-mockup {
  position: absolute;
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
  width: 38%;
  max-width: 440px;
  z-index: 3;
  filter: drop-shadow(0 30px 60px rgba(244,180,0,0.2));
}
@media (max-width: 900px) { .hero-mockup { display: none; } }

/* ============================================================
   PROOF BAR
   ============================================================ */
.proof-bar {
  background: var(--dark2);
  border-top: 1px solid rgba(244,180,0,0.15);
  border-bottom: 1px solid rgba(244,180,0,0.15);
  padding: 28px 0;
}
.proof-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 40px;
  gap: 4px;
}
.proof-num {
  font-family: var(--font-cond);
  font-size: 32px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.proof-item span:last-child { font-size: 12px; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; }
.proof-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.08); }

/* ============================================================
   SECCIÓN 2: PREGUNTAS
   ============================================================ */
.section-questions {
  padding: 96px 0;
  background: var(--black);
}

.section-image img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.section-text h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-intro {
  font-size: 17px;
  color: var(--gray-lt);
  margin-bottom: 28px;
}

.questions-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.questions-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--dark2);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.questions-list li:hover { background: var(--dark3); transform: translateX(4px); }
.q-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

.section-emotional { font-size: 15px; color: var(--gray-lt); }
.section-emotional strong { color: var(--white); }

/* ============================================================
   SECCIÓN 3: PROBLEMA
   ============================================================ */
.section-problem {
  padding: 96px 0;
  background: var(--dark);
}

.danger-tag { color: #ff6b6b; border-color: rgba(255,107,107,0.4); background: rgba(255,107,107,0.06); }

.problem-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}
.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--dark2);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.problem-card:hover { border-color: rgba(244,180,0,0.2); box-shadow: var(--shadow-gold); }
.problem-icon { font-size: 24px; flex-shrink: 0; }
.problem-card strong { display: block; color: var(--white); font-size: 15px; margin-bottom: 4px; }
.problem-card p { font-size: 13px; color: var(--gray); margin: 0; }

/* ============================================================
   SECCIÓN 4: BENEFICIOS
   ============================================================ */
.section-benefits {
  padding: 96px 0;
  position: relative;
  background: var(--black);
}
.benefits-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(244,180,0,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.benefit-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.benefit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.benefit-card:hover { transform: translateY(-8px); border-color: rgba(244,180,0,0.25); box-shadow: var(--shadow-gold); }
.benefit-card:hover::before { transform: scaleX(1); }

.benefit-icon { font-size: 40px; margin-bottom: 18px; display: block; }
.benefit-card h3 { font-family: var(--font-display); font-size: 18px; margin-bottom: 12px; color: var(--gold); }
.benefit-card p { font-size: 14px; color: var(--gray-lt); line-height: 1.6; }

.benefits-cta { text-align: center; }

/* ============================================================
   SECCIÓN 5: CAPÍTULOS
   ============================================================ */
.section-chapters {
  padding: 96px 0;
  background: var(--dark);
}

.chapters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.chapter-card {
  display: flex;
  gap: 20px;
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  overflow: hidden;
}
.chapter-card:hover { border-color: rgba(244,180,0,0.3); box-shadow: 0 8px 30px rgba(0,0,0,0.4); }

.chapter-card.featured { flex-direction: column; }
.chapter-card.featured .chapter-content { display: flex; flex-direction: column; }
.chapter-img { border-radius: 8px; width: 100%; height: 180px; object-fit: cover; margin-top: 16px; }

.chapter-card.gold-card { background: linear-gradient(135deg, rgba(244,180,0,0.12), rgba(244,180,0,0.04)); border-color: rgba(244,180,0,0.3); }

.chapter-num {
  font-family: var(--font-cond);
  font-size: 40px;
  font-weight: 800;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  align-self: flex-start;
  min-width: 52px;
}
.chapter-card:hover .chapter-num { opacity: 0.8; }
.chapter-card.featured .chapter-num { font-size: 28px; opacity: 0.5; }

.chapter-content h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--white); line-height: 1.3; }
.chapter-content p { font-size: 13px; color: var(--gray); line-height: 1.6; margin: 0; }

/* ============================================================
   SECCIÓN 6: FE Y CIENCIA
   ============================================================ */
.section-science {
  padding: 96px 0;
  background: var(--black);
}
.science-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.science-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: 100%;
}
.science-text h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 40px);
  margin-bottom: 20px;
  line-height: 1.2;
}
.science-text p { color: var(--gray-lt); font-size: 15px; margin-bottom: 20px; }

.science-highlight {
  display: flex;
  gap: 16px;
  background: rgba(244,180,0,0.08);
  border: 1px solid rgba(244,180,0,0.2);
  border-radius: var(--radius);
  padding: 20px;
  margin: 24px 0;
}
.highlight-icon { font-size: 24px; flex-shrink: 0; }
.science-highlight p { margin: 0; font-size: 15px; color: var(--gray-lt); }
.science-highlight em { color: var(--gold); font-style: italic; }

/* ============================================================
   SECCIÓN 7: FE Y DUDA
   ============================================================ */
.section-doubt {
  position: relative;
  padding: 96px 0;
  text-align: center;
}
.doubt-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.doubt-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,5,5,0.94), rgba(10,10,10,0.90));
}
.doubt-content {
  position: relative;
  z-index: 2;
}
.doubt-content h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 52px);
  margin-bottom: 24px;
  line-height: 1.2;
}
.doubt-text {
  font-size: 18px;
  color: var(--gray-lt);
  max-width: 700px;
  margin: 0 auto 48px;
}
.doubt-text strong { color: var(--white); }

.doubt-figures {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.figure-card {
  background: rgba(26,26,26,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(244,180,0,0.15);
  border-radius: var(--radius);
  padding: 28px 20px;
  transition: var(--transition);
}
.figure-card:hover { border-color: rgba(244,180,0,0.4); transform: translateY(-6px); }
.figure-icon { font-size: 32px; display: block; margin-bottom: 12px; }
.figure-card strong { font-size: 16px; color: var(--gold); display: block; margin-bottom: 10px; }
.figure-card p { font-size: 13px; color: var(--gray); line-height: 1.6; margin: 0; }

/* ============================================================
   SECCIÓN 8: LIBROS OLVIDADOS
   ============================================================ */
.section-forgotten {
  padding: 96px 0;
  background: var(--dark);
}
.forgotten-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.forgotten-text h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 40px);
  margin-bottom: 20px;
  line-height: 1.2;
}
.forgotten-text p { color: var(--gray-lt); font-size: 15px; margin-bottom: 20px; }
.forgotten-highlight {
  display: flex;
  gap: 14px;
  background: rgba(244,180,0,0.07);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 18px;
  margin: 24px 0;
}
.forgotten-highlight span { font-size: 22px; flex-shrink: 0; }
.forgotten-highlight p { margin: 0; font-size: 15px; color: var(--gray-lt); }
.forgotten-highlight strong { color: var(--white); }
.forgotten-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow); width: 100%; }

/* ============================================================
   SECCIÓN 9: TESTIMONIOS
   ============================================================ */
.section-testimonials {
  padding: 96px 0;
  background: var(--black);
}

.stars-display {
  font-size: 28px;
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--gold);
}
.stars-display span { font-size: 16px; color: var(--white); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.testimonial-card:hover { border-color: rgba(244,180,0,0.25); transform: translateY(-4px); box-shadow: var(--shadow-gold); }

.t-stars { color: var(--gold); font-size: 16px; letter-spacing: 2px; }
.testimonial-card p { font-size: 14px; color: var(--gray-lt); line-height: 1.7; flex: 1; font-style: italic; }

.t-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.t-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dk));
  color: var(--black);
  font-weight: 800;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.t-author div:last-child { display: flex; flex-direction: column; }
.t-author strong { font-size: 14px; }
.t-author span { font-size: 11px; color: var(--gray); }

/* ============================================================
   SECCIÓN 10: GARANTÍA
   ============================================================ */
.section-guarantee {
  padding: 96px 0;
  background: var(--dark);
}
.guarantee-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: center;
  background: var(--dark2);
  border: 1px solid rgba(244,180,0,0.2);
  border-radius: 20px;
  padding: 56px;
}
.guarantee-image img { width: 200px; }
.guarantee-text h2 {
  font-family: var(--font-display);
  font-size: 40px;
  margin-bottom: 8px;
}
.guarantee-text h3 { font-size: 20px; color: var(--gold); margin-bottom: 20px; }
.guarantee-text p { color: var(--gray-lt); font-size: 15px; margin-bottom: 16px; }

.guarantee-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 24px 0 32px;
}
.guarantee-items span {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}
.guarantee-items span::before { color: var(--gold); }

/* ============================================================
   SECCIÓN 11: OFERTA
   ============================================================ */
.section-offer {
  position: relative;
  padding: 96px 0;
  text-align: center;
}
.offer-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.offer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,5,5,0.93);
}
.offer-content { position: relative; z-index: 2; }
.offer-content h2 { font-family: var(--font-display); font-size: clamp(30px, 4vw, 52px); margin-bottom: 48px; }

.offer-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  background: var(--dark2);
  border: 1px solid rgba(244,180,0,0.2);
  border-radius: 20px;
  padding: 48px;
  text-align: left;
}

.offer-includes { display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.offer-item {
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-lt);
  padding: 14px 18px;
  background: rgba(244,180,0,0.05);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
}

.offer-price-block { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; justify-content: center; }
.offer-old { font-size: 16px; color: var(--gray); }
.offer-discount-tag {
  background: #e53e3e;
  color: white;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  padding: 5px 16px;
  border-radius: 40px;
}
.offer-price-main {
  font-family: var(--font-cond);
  font-size: 80px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.offer-note { font-size: 13px; color: var(--gray); }
.offer-security { display: flex; gap: 16px; font-size: 12px; color: var(--gray); flex-wrap: wrap; justify-content: center; }

/* ============================================================
   SECCIÓN 12: FAQ
   ============================================================ */
.section-faq {
  padding: 96px 0;
  background: var(--dark);
}
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: rgba(244,180,0,0.3); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
  font-family: var(--font-body);
}
.faq-question:hover { background: rgba(244,180,0,0.05); }

.faq-icon {
  font-size: 22px;
  font-weight: 300;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform 0.3s;
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p {
  padding: 0 24px 24px;
  font-size: 14px;
  color: var(--gray-lt);
  line-height: 1.7;
  margin: 0;
}

/* ============================================================
   SECCIÓN 13: CTA FINAL
   ============================================================ */
.section-cta-final {
  position: relative;
  padding: 120px 0;
  text-align: center;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(5,5,5,0.88) 0%, rgba(5,5,5,0.97) 100%);
}
.cta-content {
  position: relative;
  z-index: 2;
}
.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  max-width: 800px;
  margin: 0 auto 24px;
  line-height: 1.2;
}
.cta-content p { font-size: 17px; color: var(--gray-lt); max-width: 600px; margin: 0 auto 40px; }

.cta-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 36px;
}
.cta-old { font-size: 22px; color: var(--gray); text-decoration: line-through; }
.cta-current { font-family: var(--font-cond); font-size: 64px; font-weight: 900; color: var(--gold); line-height: 1; }
.cta-badge {
  background: #e53e3e;
  color: white;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 2px;
  padding: 6px 12px;
  border-radius: 6px;
  align-self: flex-start;
}

.cta-guarantees {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}
.cta-guarantees div { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray-lt); }
.cta-guarantees span { color: var(--gold); font-size: 18px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark2);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 0;
  text-align: center;
}
.footer-inner { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.footer p { font-size: 13px; color: var(--gray); }
.footer-links a { color: var(--gray); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-disclaimer { font-size: 12px; max-width: 600px; }

/* ============================================================
   MOBILE STICKY CTA BAR
   ============================================================ */
.mobile-cta-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(244,180,0,0.3);
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.mobile-cta-price { display: flex; align-items: center; gap: 8px; }
.mobile-cta-price s { font-size: 13px; color: var(--gray); }
.mobile-cta-price strong { font-family: var(--font-cond); font-size: 24px; font-weight: 800; color: var(--gold); }
.btn-mobile { padding: 14px 28px; font-size: 14px; flex-shrink: 0; border-radius: 8px; }

/* ============================================================
   FLOATING BUTTON
   ============================================================ */
.floating-btn {
  position: fixed;
  bottom: 80px; right: 24px;
  z-index: 998;
  background: var(--gold);
  color: var(--black);
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 22px;
  box-shadow: 0 8px 30px rgba(244,180,0,0.5);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
}
.floating-btn.visible { opacity: 1; pointer-events: auto; }
.floating-btn:hover { transform: scale(1.1); background: var(--gold-lt); }
.floating-label { font-family: var(--font-cond); font-size: 10px; font-weight: 800; line-height: 1; }

/* ============================================================
   PARTICLES
   ============================================================ */
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold);
  animation: float-up linear infinite;
  opacity: 0;
}
@keyframes float-up {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.1; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .doubt-figures { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sticky-topbar .topbar-sep,
  .sticky-topbar .topbar-live { display: none; }

  .section-layout,
  .section-layout.reverse { grid-template-columns: 1fr; direction: ltr; }
  .section-layout.reverse { direction: ltr; }

  .hero { min-height: auto; padding: 100px 0 80px; }
  .hero-title { font-size: 36px; }
  .hero-benefits { gap: 8px; }
  .hero-benefits span { font-size: 12px; }
  .current-price span { font-size: 42px; }

  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .chapters-grid { grid-template-columns: 1fr; }
  .doubt-figures { grid-template-columns: 1fr 1fr; }

  .testimonials-grid { grid-template-columns: 1fr; }

  .guarantee-block { grid-template-columns: 1fr; text-align: center; padding: 32px 24px; }
  .guarantee-image img { width: 140px; margin: 0 auto; }

  .offer-box { grid-template-columns: 1fr; padding: 32px 24px; }
  .offer-price-block { text-align: center; }
  .offer-price-main { font-size: 64px; }

  .science-block,
  .forgotten-layout { grid-template-columns: 1fr; gap: 32px; }

  .proof-inner { gap: 0; }
  .proof-item { padding: 0 20px; }
  .proof-num { font-size: 24px; }

  .mobile-cta-bar { display: flex; }
  .floating-btn { bottom: 90px; }

  .cta-content h2 { font-size: 28px; }
  .cta-current { font-size: 48px; }

  .guarantee-items { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .doubt-figures { grid-template-columns: 1fr; }
  .hero-trust { font-size: 12px; gap: 10px; }
  .topbar-inner { font-size: 11px; gap: 10px; }
  .offer-price-main { font-size: 56px; }
}

/* ============================================================
   ORDER BUMPS
   ============================================================ */
.section-orderbump {
  padding: 96px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.section-orderbump::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(244,180,0,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.ob-tag { color: #ff9800; border-color: rgba(255,152,0,0.4); background: rgba(255,152,0,0.07); }

.ob-card {
  position: relative;
  background: var(--dark2);
  border: 2px solid rgba(244,180,0,0.25);
  border-radius: 20px;
  margin-bottom: 28px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}
.ob-card:hover { border-color: rgba(244,180,0,0.55); box-shadow: 0 16px 60px rgba(244,180,0,0.15); }
.ob-card-alt { border-color: rgba(244,180,0,0.2); }

.ob-badge {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-dk));
  color: var(--black);
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  text-align: center;
  padding: 7px 0;
  text-transform: uppercase;
}
.ob-badge-alt {
  background: linear-gradient(90deg, #e67e00, #b35900);
  color: var(--white);
}

.ob-inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  margin-top: 36px;
}

.ob-image {
  position: relative;
  overflow: hidden;
}
.ob-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ob-content {
  padding: 32px 36px 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ob-tag-label {
  font-family: var(--font-cond);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
}

.ob-content h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

.ob-content p {
  font-size: 14px;
  color: var(--gray-lt);
  line-height: 1.7;
  margin: 0;
}

.ob-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 0;
}
.ob-list li {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ob-list li::first-letter { color: var(--gold); }

.ob-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.07);
  flex-wrap: wrap;
}

.ob-prices { display: flex; flex-direction: column; gap: 4px; }
.ob-old { font-size: 13px; color: var(--gray); }
.ob-current {
  font-family: var(--font-cond);
  font-size: 32px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.ob-current em { font-style: normal; font-size: 13px; color: var(--gray-lt); font-family: var(--font-body); font-weight: 400; display: block; }

.btn-ob {
  padding: 14px 28px;
  font-size: 14px;
  white-space: nowrap;
  border-radius: 8px;
}

/* COMBO */
.ob-combo {
  background: linear-gradient(135deg, rgba(244,180,0,0.12), rgba(244,180,0,0.04));
  border: 2px solid var(--gold);
  border-radius: 16px;
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.ob-combo-icon { font-size: 40px; flex-shrink: 0; }
.ob-combo-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 200px;
}
.ob-combo-text strong { font-size: 18px; color: var(--white); }
.ob-combo-text span { font-size: 13px; color: var(--gray-lt); }
.ob-combo-price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.ob-combo-old { font-size: 14px; color: var(--gray); }
.ob-combo-new {
  font-family: var(--font-cond);
  font-size: 42px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}
.btn-combo { padding: 16px 32px; font-size: 15px; white-space: nowrap; border-radius: 8px; }

/* RESPONSIVE ORDER BUMPS */
@media (max-width: 900px) {
  .ob-inner { grid-template-columns: 1fr; }
  .ob-image { max-height: 260px; }
  .ob-content { padding: 24px; }
  .ob-combo { flex-direction: column; text-align: center; }
  .ob-combo-text { align-items: center; }
  .ob-price-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .ob-content { padding: 16px; }
  .ob-combo { padding: 20px 16px; }
  .btn-combo, .btn-ob { width: 100%; justify-content: center; }
}