:root {
  color-scheme: light;
  --bg: #eef4ff;
  --bg-strong: #dbe7ff;
  --primary: #1f4b8f;
  --primary-dark: #122a52;
  --accent: #7ab8ff;
  --accent-strong: #4f8fe6;
  --ink: #101a2b;
  --muted: #52607a;
  --card: #ffffff;
  --shadow: 0 30px 60px rgba(31, 75, 143, 0.18);
  --radius: 28px;
}

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

body {
  font-family: Arial, sans-serif;
  background: radial-gradient(circle at top left, rgba(122, 184, 255, 0.32), transparent 45%),
    radial-gradient(circle at 20% 20%, rgba(31, 75, 143, 0.2), transparent 50%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 22px;
}

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

main {
  padding: 120px 8vw 80px;
  display: flex;
  flex-direction: column;
  gap: 120px;
}

.course-page {
  padding: 130px 8vw 80px;
  gap: 60px;
}

.course-detail {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: start;
}

.course-info h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 12px 0 6px;
}

.course-subtitle {
  color: var(--muted);
  margin-bottom: 20px;
}

.price-box {
  background: var(--card);
  padding: 18px 22px;
  border-radius: 18px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 6px;
  max-width: 260px;
}

.price-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.price-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.price-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.course-section {
  margin-top: 22px;
}

.course-section h2 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.course-section p {
  color: var(--muted);
}

.course-section.highlight {
  background: rgba(31, 75, 143, 0.08);
  padding: 16px 18px;
  border-radius: 16px;
}

.course-footer {
  margin-top: 20px;
  font-weight: 600;
  color: var(--primary-dark);
}

.course-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.course-image img {
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.top {
  position: fixed;
  top: 0;
  width: 100%;
  backdrop-filter: blur(18px);
  background: rgba(238, 244, 255, 0.9);
  border-bottom: 1px solid rgba(31, 75, 143, 0.12);
  z-index: 5;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 8vw;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  max-width: 520px;
}

.brand img {
  width: 62px;
  height: 62px;
  object-fit: cover;
  border-radius: 16px;
}

.brand-text {
  max-width: 360px;
  font-size: 0.95rem;
  line-height: 1.2;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: var(--shadow);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 40px rgba(31, 75, 143, 0.25);
}

.btn.small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(31, 75, 143, 0.3);
  color: var(--primary-dark);
  box-shadow: none;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-family: inherit;
  font-size: clamp(2.4rem, 3.6vw, 3.8rem);
  line-height: 1.1;
  margin: 20px 0;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
}

.hero-actions {
  margin: 24px 0 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-badges div {
  background: var(--card);
  padding: 16px 20px;
  border-radius: 18px;
  box-shadow: var(--shadow);
  min-width: 140px;
}

.hero-badges strong {
  font-size: 1.4rem;
  color: var(--primary-dark);
}

.hero-card {
  display: grid;
  gap: 16px;
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-carousel {
  position: relative;
  min-height: 520px;
}

.hero-slide {
  position: absolute;
  inset: 20px;
  width: calc(100% - 40px);
  height: calc(100% - 40px);
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 40px;
}


.section-title h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  font-family: inherit;
  margin-top: 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  padding: 24px;
  border-radius: 22px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: rgba(31, 75, 143, 0.12);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--primary);
}

.card-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 12px;
}

.card h3 {
  font-size: 1.2rem;
}

.tag {
  font-weight: 600;
  color: var(--accent-strong);
}

.alt {
  background: var(--bg-strong);
  padding: 60px;
  border-radius: var(--radius);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  align-items: center;
}

.grid-text p {
  color: var(--muted);
  margin: 16px 0 0;
}

.list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.list li {
  background: rgba(255, 255, 255, 0.7);
  padding: 14px 18px;
  border-radius: 14px;
}

.grid-images {
  display: grid;
  gap: 18px;
}

.grid-media {
  background: var(--card);
  padding: 12px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.video-frame {
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid rgba(31, 75, 143, 0.2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.grid-media video {
  width: 100%;
  height: auto;
  display: block;
}

.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.results article {
  background: var(--card);
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.stats div {
  background: rgba(31, 75, 143, 0.08);
  padding: 18px;
  border-radius: 18px;
  text-align: center;
}

.stats strong {
  font-size: 1.6rem;
}

.stats span {
  display: block;
  margin-top: 6px;
}

.cta {
  background: linear-gradient(120deg, rgba(31, 75, 143, 0.12), rgba(122, 184, 255, 0.18));
  border-radius: var(--radius);
  padding: 40px;
}

.cta-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  align-items: center;
  background: var(--card);
  padding: 32px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.form {
  display: grid;
  gap: 16px;
}

.form label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(31, 75, 143, 0.2);
  font: inherit;
  background: #fff;
}

.footer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 40px 8vw 60px;
  border-top: 1px solid rgba(31, 75, 143, 0.1);
  background: #f3f7ff;
}

.footer strong {
  font-size: 1.1rem;
}

[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

.float-stack {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
  z-index: 10;
}

.float-btn {
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 20px 40px rgba(16, 26, 43, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.float-btn svg {
  width: 20px;
  height: 20px;
  display: block;
  fill: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.float-btn.instagram {
  background: linear-gradient(135deg, #4f8fe6, #7ab8ff);
}

.float-btn.facebook {
  background: #1f4b8f;
}

.float-btn.whatsapp {
  background: #1c6f5c;
}

.float-btn.instagram,
.float-btn.facebook {
  width: 44px;
  height: 44px;
  padding: 0;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .hero-badges {
    justify-content: center;
  }
}

@media (max-width: 720px) {
  main {
    padding: 110px 6vw 60px;
    gap: 90px;
  }

  .nav {
    padding: 16px 6vw;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .alt {
    padding: 36px 24px;
  }

  .cta {
    padding: 24px;
  }

  .cta-card {
    padding: 24px;
  }

  .brand-text {
    font-size: 0.82rem;
    max-width: 220px;
  }
}