:root {
  color: #151515;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: #ffffff;
}

.site-header {
  display: flex;
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  min-height: 112px;
  margin: 0 auto;
  border-bottom: 1px solid #e8e8e8;
}

.site-logo {
  display: inline-flex;
  align-items: center;
}

.site-logo img {
  display: block;
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.blog-home {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 80px 0 120px;
}

.articles {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 20px;
  color: #9a9a9a;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.article-card {
  display: block;
  margin-top: 48px;
  padding: 32px;
  color: inherit;
  border: 1px solid #e5e5e5;
  border-radius: 18px;
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.article-card + .article-card {
  margin-top: 24px;
}

.article-card-image {
  display: block;
  width: calc(100% + 64px);
  height: auto;
  margin: -32px -32px 28px;
  border-radius: 17px 17px 0 0;
}

.article-card:hover {
  border-color: #4b0055;
  box-shadow: 0 16px 40px rgb(75 0 85 / 10%);
  transform: translateY(-3px);
}

.article-date {
  color: #8a8a8a;
  font-size: 0.85rem;
}

.article-card h2 {
  margin: 14px 0 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.45;
}

.article-card p {
  margin: 18px 0 0;
  color: #777777;
  font-size: 1rem;
  line-height: 1.8;
}

.read-more {
  display: inline-block;
  margin-top: 24px;
  color: #4b0055;
  font-weight: 700;
}

.article-page {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 120px;
}

.back-link {
  color: #666666;
  font-size: 0.9rem;
  text-decoration: none;
}

.article-header {
  margin-top: 52px;
  padding-bottom: 36px;
  border-bottom: 1px solid #e8e8e8;
}

.article-header h1 {
  margin-top: 14px;
  font-size: clamp(2rem, 6vw, 3.75rem);
  line-height: 1.25;
}

.article-body {
  padding-top: 38px;
  font-size: 1.05rem;
  line-height: 2;
}

.article-body h2 {
  margin: 52px 0 18px;
  font-size: 1.55rem;
}

.article-body p {
  margin: 0 0 24px;
}

.promo-hero {
  display: block;
  width: 100%;
  height: auto;
  margin: 38px 0 42px;
  border-radius: 18px;
}

.bonus-highlight {
  margin: 32px 0;
  padding: 28px;
  color: #ffffff;
  background: linear-gradient(135deg, #111b39, #4b0055);
  border-radius: 18px;
}

.bonus-highlight strong {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  line-height: 1.3;
}

.bonus-highlight span {
  display: block;
  margin-top: 10px;
  color: rgb(255 255 255 / 76%);
}

.bonus-table {
  width: 100%;
  margin: 24px 0 40px;
  border-collapse: collapse;
}

.bonus-table th,
.bonus-table td {
  padding: 16px 14px;
  border-bottom: 1px solid #e8e8e8;
  text-align: left;
  vertical-align: top;
}

.bonus-table th {
  width: 38%;
  color: #666666;
  font-size: 0.92rem;
}

.steps {
  margin: 20px 0 38px;
  padding-left: 1.4em;
}

.steps li {
  margin-bottom: 14px;
  padding-left: 6px;
}

.promo-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  margin: 38px 0 18px;
  padding: 16px 24px;
  color: #062b20;
  background: #39f48a;
  border-radius: 999px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.affiliate-note,
.legal-note {
  color: #777777;
  font-size: 0.82rem;
  line-height: 1.75;
}

.official-link {
  color: #4b0055;
}

@media (max-width: 640px) {
  .site-header {
    min-height: 92px;
  }

  .site-logo img {
    width: 76px;
    height: 76px;
  }

  .blog-home {
    padding-top: 56px;
  }

  .article-card {
    padding: 24px;
  }

  .article-card-image {
    width: calc(100% + 48px);
    margin: -24px -24px 24px;
  }

  .bonus-table th,
  .bonus-table td {
    display: block;
    width: 100%;
    padding: 12px 0;
  }

  .bonus-table th {
    padding-bottom: 0;
    border-bottom: 0;
  }
}