/* ============================================
   FUERZA & CONTROL KIDS — ESTILOS
   Dr. Michael Vásquez · Ortopedista Traumatólogo
   Paleta: Navy #1b3566 · Teal #2ab5c8 · Yellow #f5c842
   ============================================ */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand Colors */
  --navy-900: #0e1f3d;
  --navy-800: #142a52;
  --navy-700: #1b3566;
  --navy-600: #234280;
  --teal-600: #1a8ea0;
  --teal-500: #2ab5c8;
  --teal-400: #4ccee0;
  --teal-300: #80dfee;
  --teal-100: #d6f4f8;
  --yellow:   #f5c842;
  --yellow-l: #fde97a;
  --bg-light: #eef7fa;
  --bg-cream: #f5fafb;
  --white:    #ffffff;
  --text:     #1a2e3b;
  --text-mid: #3a5565;
  --text-muted:#6a8899;
  /* Radii */
  --r-sm:  10px;
  --r-md:  18px;
  --r-lg:  28px;
  --r-xl:  40px;
  --r-full:100px;
  /* Shadows */
  --shadow-xs: 0 2px 8px rgba(26,53,102,.08);
  --shadow-sm: 0 4px 16px rgba(26,53,102,.1);
  --shadow-md: 0 8px 32px rgba(26,53,102,.14);
  --shadow-lg: 0 20px 60px rgba(26,53,102,.2);
  --shadow-glow: 0 0 50px rgba(42,181,200,.3);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg-cream);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.65;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; }

/* ---------- ANIMATIONS ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
[data-animate="fade-left"]  { transform: translateX(-28px); }
[data-animate="fade-right"] { transform: translateX(28px); }
[data-animate="scale-up"]   { transform: scale(.93); }
[data-animate].visible { opacity: 1; transform: none; }

/* ---------- LABELS & HEADINGS ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal-500);
  background: rgba(42,181,200,.1);
  border: 1.5px solid rgba(42,181,200,.25);
  border-radius: var(--r-full);
  padding: 6px 16px;
  margin-bottom: 16px;
}
.section-label.light    { color: var(--teal-300); background: rgba(42,181,200,.12); border-color: rgba(42,181,200,.3); }
.section-label.center   { display: flex; justify-content: center; width: fit-content; margin-left: auto; margin-right: auto; }

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.65rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--navy-700);
  margin-bottom: 18px;
}
.section-title.light  { color: var(--white); }
.section-title.center { text-align: center; }
.section-desc  { font-size: 1rem; color: var(--text-muted); max-width: 580px; margin: 0 auto 44px; text-align: center; }
.section-subtitle-light {
  font-size: 1.05rem;
  color: rgba(255,255,255,.72);
  max-width: 540px;
  margin: 0 auto 44px;
}
.title-highlight { color: var(--yellow); }
.title-accent    { color: var(--teal-500); }
.title-kids      { display: inline-block; color: var(--teal-500); }
.title-kids em   { font-style: normal; color: var(--navy-700); }

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-600));
  color: var(--white);
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  padding: 16px 34px;
  border-radius: var(--r-full);
  box-shadow: 0 8px 28px rgba(42,181,200,.45);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(42,181,200,.6); }
.btn-primary.large { font-size: 1.1rem; padding: 20px 44px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy-700);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 24px;
  border-radius: var(--r-full);
  border: 2px solid rgba(26,53,102,.18);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--teal-500); color: var(--teal-600); }

.play-circle {
  width: 36px; height: 36px;
  background: var(--teal-500);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white; flex-shrink: 0;
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 14px 0;
  transition: all .4s;
}
.navbar.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(26,53,102,.1);
  padding: 10px 0;
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-img { height: 46px; width: auto; filter: drop-shadow(0 2px 4px rgba(0,0,0,.08)); }
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-name  { font-size: .9rem; font-weight: 800; color: var(--navy-700); line-height: 1.2; }
.nav-logo-title { font-size: .7rem; font-weight: 600; color: var(--teal-500); letter-spacing: .04em; line-height: 1.2; }
.nav-links { display: flex; gap: 24px; }
.nav-link { font-size: .9rem; font-weight: 700; color: var(--text-mid); transition: color .3s; }
.nav-link:hover { color: var(--teal-500); }
.nav-cta {
  background: linear-gradient(135deg, var(--teal-500), var(--teal-600));
  color: white; font-weight: 800; font-size: .88rem;
  padding: 10px 24px; border-radius: var(--r-full);
  box-shadow: 0 4px 16px rgba(42,181,200,.35);
  transition: var(--transition); white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(42,181,200,.5); }

/* ---------- WAVE SHAPES ---------- */
.wave-top, .wave-bottom,
.wave-top-light, .wave-bottom-light,
.video-wave-top, .video-wave-bottom,
.pricing-wave-top, .pricing-wave-bottom {
  position: absolute;
  left: 0; right: 0;
  height: 80px;
  overflow: hidden;
  line-height: 0;
}
.wave-top    { top: 0; }
.wave-bottom { bottom: -1px; }
.video-wave-top    { top: -1px; }
.video-wave-bottom { bottom: -1px; }
.pricing-wave-top    { top: -1px; }
.pricing-wave-bottom { bottom: -1px; }
.wave-top-light    { top: -1px; }
.wave-bottom-light { bottom: -1px; }

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--bg-light) 0%, #d8f0f6 50%, #eef7fa 100%);
  display: flex;
  align-items: center;
  padding: 110px 0 80px;
  position: relative;
  overflow: hidden;
}

/* Soft blob decorations */
.hero::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: rgba(42,181,200,.12);
  border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%;
  top: -80px; right: -80px;
  animation: blob 8s ease-in-out infinite alternate;
}
.hero::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: rgba(245,200,66,.12);
  border-radius: 40% 60% 30% 70% / 60% 30% 70% 40%;
  bottom: 40px; left: -60px;
  animation: blob 6s ease-in-out infinite alternate-reverse;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(42,181,200,.12);
  border: 1.5px solid rgba(42,181,200,.3);
  border-radius: var(--r-full);
  padding: 6px 16px;
  font-size: .8rem; font-weight: 700; color: var(--teal-600);
  margin-bottom: 20px;
}
.badge-dot { width: 8px; height: 8px; background: var(--teal-500); border-radius: 50%; animation: pulse 2s infinite; }

.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900; line-height: 1.1; color: var(--navy-700);
  margin-bottom: 16px;
}
.hero-title-small {
  display: block; font-size: .5em; font-weight: 600;
  color: var(--text-muted); letter-spacing: .02em; margin-bottom: 6px;
}
.amp { color: var(--teal-500); }

.hero-tagline {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.1rem; font-weight: 700; color: var(--navy-700);
  margin-bottom: 20px;
}
.heart-icon { font-size: 1.3rem; }

.hero-guide-pill {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--teal-500);
  color: white;
  border-radius: var(--r-full);
  padding: 10px 20px;
  font-size: .92rem; font-weight: 700;
  margin-bottom: 10px;
}
.guide-pill-icon {
  width: 28px; height: 28px;
  background: rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.hero-subtitle {
  font-size: .95rem; color: var(--text-muted);
  margin-bottom: 28px; font-weight: 500;
}

.hero-values {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 32px;
}
.value-chip {
  display: flex; align-items: center; gap: 8px;
  background: white;
  border: 1.5px solid rgba(42,181,200,.2);
  border-radius: var(--r-full);
  padding: 8px 14px;
  font-size: .85rem; font-weight: 700; color: var(--text);
  box-shadow: var(--shadow-xs);
}
.value-chip-icon {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.value-chip-icon.teal       { background: var(--teal-500); }
.value-chip-icon.yellow     { background: var(--yellow); }
.value-chip-icon.navy       { background: var(--navy-700); }
.value-chip-icon.light-teal { background: var(--teal-400); }

.hero-ctas { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.hero-doctor-credit {
  display: flex; align-items: center; gap: 10px;
  font-size: .82rem; font-weight: 600; color: var(--text-muted);
  border-top: 1px solid rgba(0,0,0,.08);
  padding-top: 20px;
}
.doctor-mini-logo { height: 36px; width: auto; }

/* Hero visual */
.hero-visual { position: relative; display: flex; justify-content: flex-end; }
.hero-img-wrap { position: relative; }
.hero-photo {
  width: 520px; max-width: 100%;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  animation: float 5s ease-in-out infinite;
}

.home-badge-float {
  position: absolute;
  top: 20px; right: -16px;
  background: var(--yellow);
  border-radius: 50%;
  width: 90px; height: 90px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  animation: pop .7s cubic-bezier(.34,1.56,.64,1) both;
}
.home-badge-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 3px; text-align: center;
}
.home-badge-text { font-size: .55rem; font-weight: 800; color: var(--navy-700); line-height: 1.2; }
.home-badge-text strong { display: block; font-size: .62rem; }

.book-float-small {
  position: absolute;
  bottom: -20px; left: -30px;
  animation: float 5s ease-in-out infinite;
  animation-delay: .5s;
}
.book-mini {
  width: 130px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
}

/* ---------- TRUST BAR ---------- */
.trust-bar {
  background: white;
  border-top: 3px solid var(--teal-500);
  border-bottom: 1px solid rgba(0,0,0,.06);
  padding: 18px 0;
}
.trust-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 8px;
  font-size: .88rem; font-weight: 700; color: var(--text-mid);
}
.trust-item svg { color: var(--teal-500); }
.trust-divider { width: 1px; height: 24px; background: rgba(0,0,0,.1); }

/* ---------- PROBLEM SECTION ---------- */
.problem-section {
  padding: 90px 0;
  background: var(--bg-cream);
  text-align: center;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 40px 0;
}
.problem-card {
  background: white;
  border-radius: var(--r-md);
  padding: 26px 22px;
  border: 1.5px solid rgba(42,181,200,.12);
  text-align: left;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); border-color: rgba(42,181,200,.3); }
.problem-emoji { font-size: 2rem; margin-bottom: 10px; }
.problem-card p { font-size: .92rem; color: var(--text-muted); line-height: 1.6; }
.problem-solution {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  background: rgba(245,200,66,.12);
  border: 1.5px solid rgba(245,200,66,.35);
  border-radius: var(--r-md);
  padding: 24px 40px;
  max-width: 600px;
  margin: 0 auto;
}
.solution-heart { font-size: 2rem; }
.problem-solution p { font-size: 1.05rem; color: var(--navy-700); line-height: 1.6; }
.problem-solution strong { color: var(--teal-600); }

/* ---------- VIDEO SECTION ---------- */
.video-section {
  padding: 90px 0;
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.video-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(42,181,200,.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}
.video-wrapper {
  max-width: 800px; margin: 0 auto;
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(42,181,200,.25);
  position: relative; z-index: 1;
}
.video-thumbnail { position: relative; cursor: pointer; aspect-ratio: 16/9; }
.thumb-img { width: 100%; height: 100%; object-fit: cover; }
.video-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(14,31,61,.3), rgba(14,31,61,.55));
  transition: background .3s;
}
.video-thumbnail:hover .video-overlay { background: rgba(14,31,61,.45); }
.play-btn-large {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 88px; height: 88px;
  background: rgba(42,181,200,.92);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); z-index: 2;
}
.video-thumbnail:hover .play-btn-large { transform: translate(-50%,-50%) scale(1.1); background: var(--teal-500); }
.play-ripple {
  position: absolute; inset: -14px;
  border: 2.5px solid rgba(42,181,200,.4);
  border-radius: 50%;
  animation: ripple 2.2s linear infinite;
}
.video-label-pill {
  position: absolute; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  border-radius: var(--r-full);
  padding: 8px 20px;
  font-size: .82rem; color: white; font-weight: 700;
  display: flex; align-items: center; gap: 8px; z-index: 2;
}
.video-iframe-container { aspect-ratio: 16/9; }
.video-iframe-container iframe { width: 100%; height: 100%; border: none; }

/* ---------- LEARN SECTION ---------- */
.learn-section {
  padding: 90px 0;
  background: white;
}
.learn-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: start;
  margin-top: 20px;
}
.module {
  display: flex; align-items: flex-start; gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0,0,0,.07);
  transition: var(--transition);
}
.module:last-child { border-bottom: none; }
.module:hover { transform: translateX(4px); }
.module-num-badge {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-600));
  color: white;
  border-radius: 50%;
  font-size: .88rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(42,181,200,.35);
}
.module-body h3 { font-size: .98rem; font-weight: 800; color: var(--navy-700); margin-bottom: 5px; }
.module-body p  { font-size: .88rem; color: var(--text-muted); line-height: 1.6; }
.module-body strong { color: var(--teal-600); }

.learn-visual { position: sticky; top: 110px; display: flex; flex-direction: column; gap: 20px; }
.devices-wrap { border-radius: var(--r-md); overflow: hidden; }
.devices-img  { border-radius: var(--r-md); box-shadow: var(--shadow-md); }

.bonus-box {
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  border-radius: var(--r-md);
  padding: 22px;
  border: 1.5px solid rgba(42,181,200,.2);
}
.bonus-header {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 14px;
}
.bonus-star { font-size: 1rem; }
.bonus-label {
  font-size: .72rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--yellow);
}
.bonus-list { display: flex; flex-direction: column; gap: 10px; }
.bonus-item { display: flex; align-items: flex-start; gap: 10px; font-size: .88rem; color: rgba(255,255,255,.82); }
.bonus-check {
  width: 20px; height: 20px; flex-shrink: 0;
  background: var(--teal-500);
  color: white; border-radius: 50%;
  font-size: .75rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}

.conclusions-teaser {
  background: rgba(245,200,66,.1);
  border: 1.5px solid rgba(245,200,66,.3);
  border-radius: var(--r-md);
  padding: 18px 20px;
}
.conclusions-header { display: flex; align-items: flex-start; gap: 14px; }
.conclusions-goal-icon { font-size: 1.8rem; flex-shrink: 0; }
.conclusions-goal-label { font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-600); margin-bottom: 4px; }
.conclusions-goal-text { font-size: .9rem; font-weight: 600; color: var(--navy-700); line-height: 1.5; }
.conclusions-goal-text strong { color: var(--teal-600); }

/* ---------- FOR WHO ---------- */
.for-who-section {
  padding: 90px 0;
  background: var(--bg-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.for-who-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 18px;
  margin-top: 44px;
}
.for-who-card {
  background: white;
  border-radius: var(--r-md);
  padding: 30px 20px;
  box-shadow: var(--shadow-xs);
  border: 1.5px solid rgba(42,181,200,.1);
  transition: var(--transition);
}
.for-who-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(42,181,200,.3); }
.who-emoji { font-size: 2.6rem; margin-bottom: 14px; }
.for-who-card h3 { font-size: .96rem; font-weight: 800; color: var(--navy-700); margin-bottom: 8px; }
.for-who-card p  { font-size: .86rem; color: var(--text-muted); line-height: 1.6; }

/* ---------- PRINCIPLES ---------- */
.principles-section {
  padding: 90px 0;
  background: white;
}
.principles-grid {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 720px; margin: 44px auto 0;
}
.principle-card {
  display: flex; align-items: flex-start; gap: 18px;
  background: var(--bg-cream);
  border-radius: var(--r-md);
  padding: 20px 24px;
  border: 1.5px solid rgba(42,181,200,.12);
  transition: var(--transition);
}
.principle-card:hover { border-color: var(--teal-500); box-shadow: var(--shadow-sm); }
.principle-num {
  width: 40px; height: 40px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-600));
  color: white; border-radius: 50%;
  font-size: 1rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(42,181,200,.35);
}
.principle-body h3 { font-size: .96rem; font-weight: 800; color: var(--navy-700); margin-bottom: 4px; }
.principle-body p  { font-size: .88rem; color: var(--text-muted); }

/* ---------- TESTIMONIALS ---------- */
.testimonials-section {
  padding: 90px 0;
  background: var(--bg-light);
}
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 22px;
  margin-top: 44px;
}
.testimonial-card {
  background: white;
  border-radius: var(--r-md);
  padding: 28px;
  border: 1.5px solid rgba(42,181,200,.12);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-card.featured {
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  border-color: rgba(42,181,200,.25);
}
.featured-tag {
  font-size: .72rem; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; color: var(--yellow);
  margin-bottom: 12px;
}
.stars { color: var(--yellow); font-size: 1.1rem; margin-bottom: 14px; }
.testimonial-text {
  font-size: .92rem; line-height: 1.75; color: var(--text-muted);
  margin-bottom: 18px; font-style: italic;
}
.testimonial-card.featured .testimonial-text { color: rgba(255,255,255,.78); }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800; color: white; flex-shrink: 0;
}
.av-teal  { background: linear-gradient(135deg, var(--teal-500), var(--teal-600)); }
.av-yellow{ background: linear-gradient(135deg, var(--yellow), #e0a800); color: var(--navy-700); }
.av-navy  { background: linear-gradient(135deg, var(--navy-600), var(--navy-900)); }
.author-name { font-weight: 800; font-size: .9rem; color: var(--text); }
.testimonial-card.featured .author-name { color: white; }
.author-role { font-size: .78rem; color: var(--text-muted); }
.testimonial-card.featured .author-role { color: rgba(255,255,255,.55); }

/* ---------- AUTHOR ---------- */
.author-section { padding: 90px 0; background: white; }
.author-grid {
  display: grid; grid-template-columns: 360px 1fr; gap: 70px;
  align-items: center;
}
.author-logo-card {
  background: var(--bg-cream);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  border: 1.5px solid rgba(42,181,200,.15);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.author-logo-big { height: 180px; width: auto; margin: 0 auto 24px; }
.author-credentials-list { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.cred-item {
  display: flex; align-items: center; gap: 10px;
  font-size: .88rem; font-weight: 600; color: var(--text-mid);
}
.social-cred { color: var(--teal-600); font-weight: 700; }

.author-title {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 900; color: var(--navy-700); line-height: 1.2;
  margin-bottom: 18px;
}
.author-bio { font-size: .96rem; color: var(--text-muted); line-height: 1.78; margin-bottom: 14px; }
.author-bio strong { color: var(--teal-600); }
.author-quote-box {
  background: rgba(42,181,200,.07);
  border-radius: var(--r-md);
  border-left: 4px solid var(--teal-500);
  padding: 20px 22px;
  margin-top: 22px;
  position: relative;
}
.quote-icon { font-size: 1.4rem; margin-bottom: 8px; }
.author-quote-box p {
  font-family: 'Lora', serif;
  font-style: italic; font-size: .98rem;
  color: var(--navy-700); line-height: 1.65;
}
.quote-author { margin-top: 10px; font-size: .82rem; font-weight: 700; color: var(--teal-600); }

/* ---------- PRICING ---------- */
.pricing-section {
  padding: 90px 0;
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  position: relative;
  overflow: hidden;
}
.pricing-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(42,181,200,.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.pricing-inner { position: relative; z-index: 1; text-align: center; }

.pricing-card {
  max-width: 820px; margin: 44px auto 32px;
  background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(42,181,200,.3);
  border-radius: var(--r-xl);
  padding: 36px;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(42,181,200,.15), inset 0 1px 0 rgba(255,255,255,.08);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: start;
  text-align: left;
  backdrop-filter: blur(10px);
}
.pricing-book-preview { display: flex; justify-content: center; align-items: center; }
.pricing-book-img {
  width: 200px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  animation: float 4.5s ease-in-out infinite;
}
.pricing-offer-badge {
  display: inline-block;
  background: rgba(245,200,66,.2);
  border: 1.5px solid rgba(245,200,66,.45);
  border-radius: var(--r-full);
  padding: 5px 16px;
  font-size: .78rem; font-weight: 800; color: var(--yellow);
  margin-bottom: 12px;
}
.pricing-product-name {
  font-size: 1.2rem; font-weight: 900; color: white;
  margin-bottom: 16px; line-height: 1.3;
}
.pricing-product-name small { font-size: .72rem; font-weight: 600; color: rgba(255,255,255,.55); display: block; }
.price-was { font-size: .88rem; color: rgba(255,255,255,.45); margin-bottom: 4px; }
.price-was s { color: rgba(255,255,255,.35); }
.price-now {
  display: flex; align-items: flex-end; gap: 4px;
  margin-bottom: 4px;
}
.price-currency { font-size: 1.6rem; font-weight: 800; color: var(--teal-400); line-height: 1.3; }
.price-big { font-size: 4rem; font-weight: 900; color: white; line-height: 1; }
.price-usd { font-size: .9rem; color: rgba(255,255,255,.5); margin-bottom: 4px; }
.price-save-badge {
  display: inline-block;
  background: linear-gradient(135deg, #e53935, #ff6f00);
  color: white;
  font-size: .8rem; font-weight: 800;
  letter-spacing: .04em;
  padding: 5px 14px;
  border-radius: var(--r-full);
  margin-bottom: 6px;
  box-shadow: 0 4px 12px rgba(229,57,53,.35);
  animation: pulse 2.5s infinite;
}
.price-note { font-size: .82rem; color: rgba(255,255,255,.45); margin-bottom: 20px; }

.pricing-includes { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.pi-item { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: rgba(255,255,255,.85); }
.pi-check {
  width: 22px; height: 22px; flex-shrink: 0;
  background: var(--teal-500); color: white; border-radius: 50%;
  font-size: .75rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.pi-gold   { font-weight: 700; color: white; }
.pi-check.gold { background: var(--yellow); color: var(--navy-700); }

.btn-buy {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-600));
  color: white;
  font-family: 'Nunito', sans-serif;
  font-size: 1rem; font-weight: 800;
  padding: 16px 28px; border-radius: var(--r-full);
  box-shadow: 0 8px 28px rgba(42,181,200,.45);
  transition: var(--transition);
  width: 100%; margin-bottom: 14px;
}
.btn-buy:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(42,181,200,.6); }
.payment-info { font-size: .8rem; color: var(--text-muted); text-align: center; }

.guarantee-strip {
  max-width: 640px; margin: 0 auto;
  display: flex; align-items: flex-start; gap: 18px;
  background: rgba(42,181,200,.07);
  border: 1.5px solid rgba(42,181,200,.2);
  border-radius: var(--r-md);
  padding: 22px;
  text-align: left;
}
.guarantee-icon-big { font-size: 2.4rem; flex-shrink: 0; }
.guarantee-content h4 { font-size: .96rem; font-weight: 800; color: var(--navy-700); margin-bottom: 6px; }
.guarantee-content p  { font-size: .86rem; color: var(--text-muted); line-height: 1.6; }

/* ---------- FAQ ---------- */
.faq-section { padding: 90px 0; background: white; text-align: center; }
.faq-list { max-width: 700px; margin: 44px auto 0; text-align: left; }
.faq-item { border-bottom: 1px solid rgba(0,0,0,.08); }
.faq-question {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
  background: none; border: none;
  padding: 20px 0;
  font-family: 'Nunito', sans-serif;
  font-size: .97rem; font-weight: 700; color: var(--navy-700);
  cursor: pointer; text-align: left; transition: color .3s;
}
.faq-question:hover { color: var(--teal-500); }
.faq-question[aria-expanded="true"] { color: var(--teal-500); }
.faq-chevron { flex-shrink: 0; color: var(--teal-500); transition: transform .3s; }
.faq-question[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); }
.faq-answer { overflow: hidden; max-height: 0; transition: max-height .4s ease, padding .3s; }
.faq-answer.open { max-height: 300px; padding-bottom: 18px; }
.faq-answer p { font-size: .92rem; color: var(--text-muted); line-height: 1.7; }

/* ---------- FINAL CTA ---------- */
.final-cta {
  padding: 90px 0;
  background: linear-gradient(160deg, var(--teal-100), var(--bg-light));
  text-align: center;
}
.final-cta-inner { max-width: 640px; margin: 0 auto; }
.final-heart { font-size: 2.5rem; margin-bottom: 12px; animation: pulse 2s infinite; }
.final-cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 900;
  color: var(--navy-700); margin-bottom: 14px; line-height: 1.2;
}
.final-cta-sub { font-size: 1rem; color: var(--text-muted); max-width: 500px; margin: 0 auto 36px; line-height: 1.7; }
.final-cta-note { margin-top: 16px; font-size: .82rem; color: var(--text-muted); }
.final-social {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 24px; font-size: .9rem; color: var(--text-muted); font-weight: 600;
}
.final-social strong { color: var(--teal-600); }

/* ---------- FOOTER ---------- */
.footer { background: var(--navy-900); padding: 48px 0; }
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  text-align: center;
}
.footer-logo-img { height: 70px; width: auto; filter: brightness(0) invert(1) opacity(.7); margin-bottom: 4px; }
.footer-tagline { font-size: .88rem; color: rgba(255,255,255,.4); max-width: 420px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.35); transition: color .3s; }
.footer-links a:hover { color: var(--teal-400); }
.footer-disclaimer { font-size: .75rem; color: rgba(255,255,255,.22); max-width: 580px; line-height: 1.6; }
.footer-copy { font-size: .78rem; color: rgba(255,255,255,.22); }

/* ---------- STICKY CTA (mobile) ---------- */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 800;
  padding: 10px 20px;
  background: rgba(14,31,61,.97);
  backdrop-filter: blur(12px);
  border-top: 2px solid var(--teal-500);
  display: none;
}
.sticky-cta.visible { display: block; }
.sticky-cta-btn {
  display: block; max-width: 380px; margin: 0 auto;
  text-align: center;
  background: linear-gradient(135deg, var(--teal-500), var(--teal-400));
  color: white; font-weight: 800; font-size: .97rem;
  padding: 13px; border-radius: var(--r-full);
  box-shadow: 0 4px 20px rgba(42,181,200,.4);
  transition: var(--transition);
}
.sticky-cta-btn:hover { transform: translateY(-2px); }

/* ---------- KEYFRAMES ---------- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}
@keyframes blob {
  0%   { border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%; }
  100% { border-radius: 30% 70% 40% 60% / 60% 30% 70% 40%; }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.25); opacity: .6; }
}
@keyframes ripple {
  0%   { transform: scale(.8); opacity: .9; }
  100% { transform: scale(1.65); opacity: 0; }
}
@keyframes pop {
  0%   { transform: scale(.6); opacity: 0; }
  80%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero-grid       { gap: 32px; }
  .learn-grid      { grid-template-columns: 1fr 360px; gap: 40px; }
  .author-grid     { grid-template-columns: 300px 1fr; gap: 48px; }
  .for-who-grid    { grid-template-columns: repeat(2, 1fr); }
  .pricing-card    { grid-template-columns: 180px 1fr; gap: 24px; }
}

/* ---------- WHY SECTION (reemplaza video) ---------- */
.why-section {
  padding: 90px 0;
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.why-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(42,181,200,.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}
.why-wave-top, .why-wave-bottom {
  position: absolute; left: 0; right: 0; height: 70px;
}
.why-wave-top    { top: -1px; }
.why-wave-bottom { bottom: -1px; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 44px 0 40px;
  position: relative; z-index: 1;
}
.why-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md);
  padding: 28px 22px;
  text-align: left;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.why-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(42,181,200,.4);
  transform: translateY(-4px);
}
.why-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  flex-shrink: 0;
}
.why-icon-wrap.navy-bg  { background: rgba(27,53,102,.8); border: 1px solid rgba(42,181,200,.3); }
.why-icon-wrap.teal-bg  { background: rgba(42,181,200,.2); border: 1px solid rgba(42,181,200,.4); }
.why-icon-wrap.yellow-bg{ background: rgba(245,200,66,.2); border: 1px solid rgba(245,200,66,.4); }
.why-card h3 { font-size: .96rem; font-weight: 800; color: white; margin-bottom: 8px; }
.why-card p  { font-size: .86rem; color: rgba(255,255,255,.65); line-height: 1.6; }
.why-cta-wrap {
  display: flex; justify-content: center;
  margin-top: 10px;
  position: relative; z-index: 1;
}

/* ---------- AUTHOR PHOTO ---------- */
.author-photo-card {
  background: var(--bg-cream);
  border-radius: var(--r-lg);
  padding: 28px;
  border: 1.5px solid rgba(42,181,200,.15);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.author-photo-wrap {
  width: 100%; aspect-ratio: 3/4;
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 18px;
  background: linear-gradient(160deg, var(--teal-100), var(--bg-light));
  box-shadow: var(--shadow-md);
}
.author-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.author-name-plate {
  display: flex; justify-content: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.author-name-logo {
  height: 50px; width: auto;
}

/* ---------- FOOTER AFFILIATE ---------- */
.footer-affiliate {
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; color: rgba(255,255,255,.35);
  flex-wrap: wrap; justify-content: center;
}
.footer-affiliate a {
  color: var(--teal-400); font-weight: 700;
  transition: color .3s;
}
.footer-affiliate a:hover { color: var(--teal-300); text-decoration: underline; }

/* Responsive why-grid */
@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr; }
  .navbar { background: rgba(255,255,255,.95); backdrop-filter: blur(12px); }
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle   { margin: 0 auto 24px; }
  .hero-ctas       { justify-content: center; }
  .hero-tagline    { justify-content: center; }
  .hero-values     { justify-content: center; }
  .hero-doctor-credit { justify-content: center; }
  .hero-visual     { display: none; }
  .problem-grid    { grid-template-columns: 1fr; }
  .learn-grid      { grid-template-columns: 1fr; }
  .learn-visual    { position: static; }
  .for-who-grid    { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .author-grid     { grid-template-columns: 1fr; }
  .author-logo-card { max-width: 340px; margin: 0 auto; }
  .pricing-card    { grid-template-columns: 1fr; }
  .pricing-book-preview { display: none; }
  .trust-inner     { gap: 14px; }
  .trust-divider   { display: none; }
  .sticky-cta      { display: block; }
  .section-label.center { margin: 0 auto 16px; }
}

@media (max-width: 480px) {
  .hero { padding: 90px 0 60px; }
  .hero-values { gap: 8px; }
  .value-chip  { font-size: .78rem; padding: 6px 10px; }
  .pricing-card { padding: 24px 18px; border-radius: var(--r-lg); }
  .hero-guide-pill { font-size: .82rem; }
}