:root {
  --primary: #1e3a8a;
  --primary-light: #3498ff;
  --text: #16254c;
  --text-soft: #5b6a86;
  --bg: #ffffff;
  --bg-soft: #f5f9ff;
  --border: #dbe7f5;
  --shadow: 0 14px 34px rgba(18, 40, 76, 0.08);
  --radius: 24px;
  --max-width: 1180px;
  --danger: #e53935;
  --success-soft: #eef6ff;
  --whatsapp: #25d366;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 84px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 14px;
}

.section-heading p {
  color: var(--text-soft);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary-light);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

/* TOP BAR */
.top-bar {
  background: var(--danger);
  color: white;
  text-align: center;
  padding: 9px 14px;
  font-weight: 700;
  font-size: 0.92rem;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand span {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.nav-links a {
  font-weight: 600;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--primary);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 14px 24px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: 0 10px 22px rgba(52, 152, 255, 0.22);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 1px solid var(--border);
}

/* HERO */
.hero {
  padding: 70px 0 50px;
  background:
    radial-gradient(circle at top left, rgba(52, 152, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1.02;
  margin-bottom: 18px;
}

.hero-text {
  color: var(--text-soft);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 22px;
}

.hero-points,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points {
  margin-bottom: 22px;
}

.hero-points span,
.trust-row div,
.offer-pill {
  background: white;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 600;
}

.hero-price {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.offer-pill {
  color: var(--primary);
}

.stock-warning {
  color: var(--danger);
  font-weight: 700;
  margin-bottom: 18px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.safe-note {
  font-size: 0.92rem;
  color: var(--text-soft);
  margin-bottom: 20px;
}

.hero-card,
.poster-card,
.image-card,
.benefit-card,
.info-card,
.final-cta-card,
.trust-extra-card,
.review-card,
.step-card,
.mini-cta-box {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 20px;
}

.hero-image {
  width: 100%;
  height: 540px;
  object-fit: contain;
  object-position: center;
  background: #f8fbff;
  border-radius: 20px;
  padding: 12px;
}

/* MINI CTA */
.mini-cta {
  padding: 22px 0 0;
}

.mini-cta-box {
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.mini-cta-label {
  color: var(--primary-light);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.mini-cta-box h2 {
  font-size: 1.7rem;
  line-height: 1.15;
}

/* GENERAL BLOCKS */
.image-section {
  padding: 88px 0;
}

.image-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}

.image-copy h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 14px;
}

.image-copy p {
  color: var(--text-soft);
  margin-bottom: 18px;
}

.bullet-list {
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.image-card {
  padding: 18px;
}

.image-card img,
.poster-card img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
}

.full-image-section {
  padding: 88px 0;
}

.poster-card {
  padding: 16px;
}

/* BENEFITS / INFO */
.benefit-cards,
.info-grid {
  display: grid;
  gap: 24px;
}

.benefit-cards {
  grid-template-columns: repeat(4, 1fr);
}

.info-grid {
  grid-template-columns: repeat(4, 1fr);
}

.benefit-card,
.info-card {
  padding: 28px;
}

.benefit-card h3,
.info-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.benefit-card p,
.info-card p {
  color: var(--text-soft);
}

/* TRUST EXTRA */
.trust-extra-section {
  background: #ffffff;
}

.trust-extra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-extra-card {
  padding: 28px;
}

.trust-extra-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--text);
}

.trust-extra-card p {
  color: var(--text-soft);
  margin-bottom: 16px;
}

.trust-extra-card ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.trust-extra-card li {
  position: relative;
  padding-left: 18px;
  color: var(--text);
}

.trust-extra-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-light);
  font-weight: bold;
}

/* REVIEWS */
.reviews-section {
  background: var(--bg-soft);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  padding: 24px;
}

.stars {
  color: #f5a623;
  letter-spacing: 2px;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.review-card p {
  color: var(--text-soft);
  margin-bottom: 12px;
}

.review-card strong {
  font-size: 0.98rem;
}

/* HOW BUY */
.how-buy-section {
  background: #ffffff;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  padding: 28px;
  text-align: center;
}

.step-number {
  width: 42px;
  height: 42px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
}

.step-card p {
  color: var(--text-soft);
}

/* FAQ */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-list details {
  background: white;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 22px;
  box-shadow: var(--shadow);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  color: var(--text-soft);
  margin-top: 12px;
}

/* FINAL CTA */
.final-cta {
  padding: 88px 0;
}

.final-cta-card {
  padding: 34px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.final-copy p {
  color: var(--text-soft);
  max-width: 620px;
}

.final-buy-box {
  display: grid;
  gap: 12px;
  justify-items: end;
  text-align: right;
}

.urgencia {
  color: var(--danger);
  font-weight: 700;
}

.garantia {
  color: var(--text-soft);
  font-size: 0.94rem;
  max-width: 420px;
}

/* PRICE */
.price-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.old-price {
  color: var(--danger);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  font-weight: 700;
  font-size: 1.1rem;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

/* FOOTER */
.footer {
  background: #0f1f47;
  color: rgba(255, 255, 255, 0.88);
  padding: 24px 0 110px;
}

.footer-content {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  text-align: center;
  font-size: 0.95rem;
}

/* MOBILE BUY BAR */
.mobile-buybar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  display: none;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.mobile-price {
  display: grid;
}

/* FLOAT WHATSAPP */
.whatsapp-float {
  position: fixed;
  bottom: 108px;
  right: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.28);
  z-index: 1000;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-grid,
  .image-section-grid,
  .final-cta-card,
  .mini-cta-box {
    grid-template-columns: 1fr;
  }

  .mini-cta-box {
    display: grid;
  }

  .benefit-cards,
  .info-grid,
  .trust-extra-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reviews-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .hero-image {
    height: 420px;
  }

  .final-buy-box {
    justify-items: start;
    text-align: left;
  }

  .nav-links {
    gap: 16px;
  }

  .brand span {
    font-size: 1.3rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    min-height: 74px;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand span {
    font-size: 1.1rem;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 20px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    padding: 44px 0 30px;
  }

  .hero-copy h1 {
    font-size: 2.3rem;
  }

  .section,
  .image-section,
  .full-image-section,
  .final-cta {
    padding: 64px 0;
  }

  .benefit-cards,
  .info-grid,
  .trust-extra-grid,
  .reviews-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .mobile-buybar {
    display: flex;
  }

  body {
    padding-bottom: 96px;
  }

  .top-bar {
    font-size: 0.82rem;
    padding: 8px 10px;
  }

  .whatsapp-float {
    bottom: 96px;
    right: 16px;
    width: 54px;
    height: 54px;
    font-size: 24px;
  }

  .footer {
    padding-bottom: 130px;
  }

  .mini-cta-box h2 {
    font-size: 1.35rem;
  }
}