:root {
  --ink: #2c3e50;
  --heading: #1a1a1a;
  --muted: #4a4a4a;
  --line: #e9ecef;
  --paper: #ffffff;
  --soft: #f8f9fa;
  --brand: #002425;
  --brand-soft: #798e9a;
  --accent: #e6b53f;
  --focus: #1d73e8;
  --radius: 12px;
  --content: 762px;
  --inner-content: 700px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16.8px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.site-header {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.brand {
  color: var(--brand);
  font-family: Poppins, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-decoration: none;
}

.article-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 20px 0 36px;
}

.hero,
.reason,
.primary-cta,
.after-reading,
.last-word {
  width: min(100%, var(--inner-content));
  margin-right: auto;
  margin-left: auto;
}

.hero h1 {
  margin: 0 0 25px;
  color: var(--heading);
  font-family: Poppins, sans-serif;
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

.hero-subtitle {
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-image,
.content-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  background: var(--soft);
  object-fit: cover;
}

.hero-image {
  aspect-ratio: 1;
}

.quote,
.testimonial {
  margin: 26px 0 0;
  font-style: italic;
}

.quote {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fefefe;
  color: #555555;
  font-size: 15px;
  line-height: 1.6;
}

.quote-featured {
  border-left: 4px solid var(--brand-soft);
  background: #f8f9fa;
}

.quote p,
.testimonial p {
  margin: 0;
}

.quote cite,
.testimonial cite {
  display: block;
  margin-top: 12px;
  color: var(--brand-soft);
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 750;
}

.reason {
  margin-bottom: 45px;
  padding: 0 0 45px;
  border-bottom: 1px solid var(--line);
}

.hero + .reason {
  margin-top: 45px;
}

.reason-heading {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 15px;
  align-items: start;
  margin-bottom: 20px;
}

.reason-number {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: linear-gradient(135deg, var(--brand), var(--brand-soft));
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.reason h2,
.primary-cta h2,
.after-reading h2,
.last-word h2 {
  margin: 0;
  color: var(--heading);
  font-family: Poppins, sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.3;
}

.reason > :not(.reason-heading) {
  width: calc(100% - 65px);
  margin-left: 65px;
}

.reason p {
  margin: 18px 0 0;
}

.content-image {
  margin: 0 0 28px;
  aspect-ratio: 1;
}

.content-image-wide {
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.insight-box {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid #dfe5e3;
  border-radius: 6px;
  background: #f8f9fa;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 31px;
}

.check-list li::before {
  position: absolute;
  top: 0;
  left: 2px;
  color: #1d9b55;
  content: "✓";
  font-weight: 900;
}

.primary-cta {
  margin-top: -5px;
  margin-bottom: 40px;
  padding: 35px;
  border-radius: var(--radius);
  color: white;
  background:
    linear-gradient(135deg, #002425 0%, #798e9a 100%);
  text-align: center;
  box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
}

.primary-cta h2 {
  color: white;
  font-size: 28px;
}

.primary-cta p {
  margin: 16px 0 0;
}

.primary-cta .cta-meta {
  margin-top: 18px;
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 23px;
  padding: 14px 26px;
  border: 2px solid var(--brand);
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

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

.button:focus-visible,
.brand:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.button-light {
  color: var(--brand);
  border: 0;
  border-radius: 50px;
  background: white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.primary-cta .button {
  width: min(100%, 354px);
  padding: 16px 35px;
  font-size: 17px;
}

.button-dark {
  color: white;
  background: var(--brand);
}

.guarantee-badge {
  display: block;
  width: min(100%, 354px);
  margin: 21px auto 0;
  padding: 10px 15px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 750;
}

.after-reading {
  margin-top: 0;
  margin-bottom: 40px;
  padding: 30px;
  border-radius: 8px;
  background: #f8f9fa;
}

.after-reading h2 {
  margin-bottom: 28px;
  text-align: center;
}

.testimonial {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.last-word {
  padding: 0 0 10px;
  text-align: center;
}

.last-word h2 {
  font-size: 24px;
}

.last-word p {
  max-width: 650px;
  margin: 17px auto 0;
  color: var(--muted);
}

.site-footer {
  display: grid;
  min-height: 112px;
  place-items: center;
  padding: 28px 20px;
  color: rgba(255, 255, 255, 0.78);
  background: var(--brand);
  font-size: 0.82rem;
}

.sticky-access {
  position: fixed;
  right: 20px;
  bottom: 18px;
  z-index: 20;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border: 2px solid var(--brand);
  border-radius: 6px;
  color: white;
  background: var(--brand);
  font-family: Poppins, sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 180ms ease, transform 180ms ease;
  box-shadow: 0 8px 24px rgba(0, 36, 37, 0.22);
}

.sticky-access.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 600px) {
  body {
    font-size: 15.75px;
    line-height: 1.6;
  }

  .site-header {
    min-height: 62px;
  }

  .article-shell {
    width: min(calc(100% - 42px), var(--content));
    padding-top: 20px;
  }

  .hero h1 {
    margin-bottom: 25px;
    font-size: 32px;
    letter-spacing: -0.5px;
    line-height: 1.15;
  }

  .hero-subtitle {
    margin: 0 0 28px;
    font-size: 18px;
  }

  .reason {
    margin-bottom: 45px;
    padding: 0 0 45px;
  }

  .reason h2,
  .primary-cta h2,
  .after-reading h2 {
    font-size: 22px;
    line-height: 1.3;
  }

  .reason-heading {
    display: block;
    margin-bottom: 20px;
  }

  .reason-number {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
  }

  .reason > :not(.reason-heading) {
    width: 100%;
    margin-left: 0;
  }

  .quote,
  .testimonial,
  .insight-box {
    padding: 15px;
  }

  .hero-image,
  .content-image {
    width: 100%;
    height: auto;
    margin-right: 0;
    margin-left: 0;
  }

  .primary-cta {
    padding: 35px;
  }

  .primary-cta .button {
    width: 100%;
    padding: 16px 25px;
    font-size: 17px;
  }

  .after-reading {
    padding: 30px;
  }

  .last-word .button {
    min-height: 49px;
    padding: 11px 25px;
    font-size: 14.4px;
  }

  .sticky-access {
    right: 15px;
    bottom: 12px;
    max-width: calc(100% - 30px);
    min-height: 43px;
    padding: 9px 16px;
    font-size: 12.6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }

  .sticky-access {
    transition: none;
  }
}