:root {
  --color-bg: #FBF8F3;
  --color-bg-alt: #F3EDE2;
  --color-ink: #1F2937;
  --color-ink-soft: #4B5563;
  --color-primary: #0F5E5A;
  --color-primary-dark: #0B4744;
  --color-accent: #D97742;
  --color-accent-soft: #F2C0A0;
  --color-card: #FFFFFF;
  --color-border: #E7DFD2;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 94, 90, 0.08);
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--color-primary-dark);
}

h1 { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; text-align: center; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 16px; color: var(--color-ink-soft); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 80px 0; }
.section h2 { margin-bottom: 48px; }

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

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  border-radius: 999px;
  padding: 16px 32px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(217, 119, 66, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(217, 119, 66, 0.45); }
.btn-large { font-size: 1.1rem; padding: 18px 40px; }
.btn-small { font-size: 0.9rem; padding: 10px 22px; }
.btn-full { width: 100%; }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 243, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}
.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 1.1rem;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header-instagram {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.header-instagram:hover { text-decoration: underline; }
@media (max-width: 480px) {
  .header-instagram { display: none; }
}

/* HERO */
.hero { padding: 64px 0 48px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.tag {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.accent { color: var(--color-accent); }
.subheadline { font-size: 1.1rem; margin-bottom: 28px; }
.hero-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 36px; }
.hero-price { font-size: 0.95rem; color: var(--color-ink-soft); }
.hero-price strong { color: var(--color-primary-dark); }

.trust-badges { display: flex; gap: 24px; flex-wrap: wrap; }
.badge { display: flex; flex-direction: column; }
.badge strong { font-family: var(--font-heading); font-size: 1.3rem; color: var(--color-primary); }
.badge span { font-size: 0.8rem; color: var(--color-ink-soft); }

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 0 auto;
}

/* VIDEO */
.video-section { padding-top: 0; }
.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* PAIN */
.pain { background: var(--color-bg-alt); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.pain-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px;
  font-style: italic;
  color: var(--color-ink);
  box-shadow: var(--shadow);
  font-size: 1.05rem;
}
.pain-note {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  max-width: 700px;
  margin: 0 auto;
}

/* MANIFESTO */
.manifesto {
  background: var(--color-primary);
  padding: 72px 0;
}
.manifesto-quote {
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 700;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefits .cards-grid { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

/* CONTENTS */
.contents-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: center;
}
.contents-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.checklist { list-style: none; padding: 0; margin: 0 0 32px; }
.checklist li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 14px;
  font-weight: 500;
  color: var(--color-ink);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #fff;
  background: var(--color-primary);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ABOUT AUTHOR */
.about-author { background: var(--color-bg-alt); }
.about-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 48px;
  align-items: center;
}
.about-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.about-image img {
  border-radius: 50%;
  box-shadow: var(--shadow);
  max-width: 260px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.about-image .family-photo {
  border-radius: var(--radius);
  max-width: 100%;
  width: 260px;
  height: 170px;
  aspect-ratio: auto;
}
.quote-highlight {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}

/* TESTIMONIALS */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--color-accent);
}
.testimonial-card p { font-style: italic; color: var(--color-ink); }
.testimonial-author {
  display: block;
  margin-top: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.9rem;
}

/* OFFER */
.offer { background: var(--color-primary-dark); }
.offer-box {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.offer h2 { color: #fff; }
.guarantee-seal {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1rem;
  text-align: center;
}
.offer-desc { color: #E4E9E8; }
.price-tag { margin: 24px 0; }
.price-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  display: block;
}
.price-detail { color: #B9C7C6; font-size: 0.95rem; }
.guarantee-text {
  margin-top: 24px;
  color: #E4E9E8;
  font-size: 0.95rem;
}

/* FAQ */
.accordion { max-width: 760px; margin: 0 auto; }
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-trigger {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-ink);
  padding: 20px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.accordion-trigger .icon {
  flex-shrink: 0;
  color: var(--color-accent);
  font-size: 1.3rem;
  transition: transform 0.2s ease;
}
.accordion-item.open .icon { transform: rotate(45deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.accordion-content p { padding-bottom: 20px; margin: 0; }
.faq-whats {
  text-align: center;
  margin-top: 32px;
  font-size: 0.95rem;
}
.faq-whats a { color: var(--color-primary); font-weight: 600; }

/* FINAL CTA */
.final-cta { text-align: center; }
.final-cta h2 { margin-bottom: 32px; }

/* FOOTER */
.site-footer {
  background: var(--color-bg-alt);
  padding: 40px 0 100px;
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}
.footer-links a {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.footer-links a:hover { text-decoration: underline; }
.disclaimer { font-size: 0.85rem; max-width: 640px; margin: 0 auto 16px; }
.footer-brand { font-size: 0.85rem; color: var(--color-ink-soft); margin: 0; }

/* WHATSAPP FLUTUANTE */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 96px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  z-index: 61;
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
@media (min-width: 901px) {
  .whatsapp-float { bottom: 24px; }
}

/* STICKY CTA MOBILE */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: var(--color-card);
  box-shadow: 0 -6px 20px rgba(0,0,0,0.1);
  z-index: 60;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid, .contents-grid, .about-grid {
    grid-template-columns: 1fr;
  }
  .hero-image { order: -1; }
  .contents-image { max-width: 320px; margin: 0 auto; }
  .pain-grid { grid-template-columns: 1fr; }
  .cards-grid, .benefits .cards-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .sticky-cta { display: block; }
  .section { padding: 56px 0; }
  body { padding-bottom: 76px; }
}

@media (max-width: 480px) {
  .trust-badges { gap: 16px; }
  .btn-large { width: 100%; }
  .hero-cta { width: 100%; }
}

.only-desktop { display: inline; }
@media (max-width: 600px) { .only-desktop { display: none; } }