:root {
  --navy: #0f1420;
  --navy-soft: #1a2236;
  --teal: #4fd1c5;
  --blue: #3f7ed6;
  --text: #1c2230;
  --text-soft: #4a5568;
  --bg: #f7f8fa;
  --card: #ffffff;
  --accent-grad: linear-gradient(135deg, #3f7ed6 0%, #4fd1c5 100%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}

.narrow {
  max-width: 560px;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 800;
  color: var(--navy);
}

h1 {
  font-size: clamp(28px, 6vw, 40px);
  text-align: center;
  margin: 0 0 16px;
}

h2 {
  font-size: clamp(22px, 4.5vw, 28px);
  margin: 0 0 16px;
}

h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

p {
  font-size: 17px;
  color: var(--text-soft);
  margin: 0 0 16px;
}

.hero {
  background: var(--navy);
  padding: 56px 0 48px;
}

.hero .subhead {
  text-align: center;
  color: #c9d3e0;
  font-size: 18px;
  max-width: 480px;
  margin: 0 auto 32px;
}

.hero h1 {
  color: #ffffff;
}

.product-shot {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto 32px;
}

.micro {
  text-align: center;
  color: #8b96ab;
  font-size: 13px;
  margin: 12px 0 0;
}

.cta-button {
  display: block;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  background: var(--accent-grad);
  color: #ffffff;
  text-align: center;
  font-weight: 700;
  font-size: 18px;
  padding: 18px 24px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(63, 126, 214, 0.35);
}

.problem, .myth, .mechanism, .whats-included, .not-for, .faq, .final-cta {
  padding: 48px 0;
}

.section-icon {
  width: 56px;
  height: 56px;
  display: block;
  margin: 0 0 20px;
}

.included-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.li-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  margin-top: 2px;
}

.included-list li:not(:has(.li-icon)) {
  padding-left: 46px;
}

.problem {
  background: var(--card);
}

.myth {
  background: var(--bg);
}

.mechanism {
  background: var(--card);
}

.whats-included {
  background: var(--navy-soft);
}

.whats-included h2,
.whats-included .meta-note {
  color: #ffffff;
}

.whats-included p:not(.meta-note) {
  color: #c9d3e0;
}

.included-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.included-list li {
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--teal);
  padding: 14px 16px;
  border-radius: 6px;
  margin-bottom: 10px;
  color: #e2e8f0;
  font-size: 16px;
}

.included-list strong {
  color: #ffffff;
}

.meta-note {
  font-size: 14px;
  color: #8b96ab;
}

.not-for {
  background: var(--bg);
}

.guarantee {
  background: var(--card);
  text-align: center;
  border-top: 1px solid #e5e9f0;
  border-bottom: 1px solid #e5e9f0;
}

.guarantee .cta-button {
  margin-top: 24px;
}

.faq {
  background: var(--bg);
}

.faq-item {
  margin-bottom: 24px;
}

.final-cta {
  background: var(--navy);
  text-align: center;
}

.final-cta h2 {
  color: #ffffff;
}

.final-cta p {
  color: #c9d3e0;
}

@media (min-width: 700px) {
  .hero {
    padding: 80px 0 64px;
  }
}