.hero {
  background: var(--bg);
  padding: 40px 16px;
  text-align: center;
  border-bottom: 8px solid var(--accent);
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
}

.hero h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.5rem);
  margin-bottom: 12px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-family: var(--font-sans);
  color: var(--muted);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .hero {
    padding: 24px 16px;
  }
}

.offers-section {
  padding: 48px 16px;
  position: relative;
  background: var(--surface);
  background-image:
    radial-gradient(circle at 20% 50%, rgba(34, 211, 238, 0.08) 0%, transparent 40%),
    linear-gradient(135deg, rgba(14, 16, 32, 0.95) 0%, rgba(5, 6, 10, 0.98) 100%);
}

.offers-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(163, 230, 53, 0.02) 20px, rgba(163, 230, 53, 0.02) 21px);
  pointer-events: none;
}

.offers-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.offers-heading {
  text-align: center;
  margin-bottom: 32px;
}

.offers-heading h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.offers-heading .science-data-label {
  display: block;
  margin-bottom: 6px;
}

.offers-heading p {
  font-family: var(--font-sans);
  color: var(--muted);
  font-size: 14px;
}

.offers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 480px;
  margin: 0 auto;
}

.offer-card {
  background: #1a1d35;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.offer-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(34, 211, 238, 0.15);
}

.offer-card-header {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #252849 0%, #1a1d35 100%);
}

.offer-logo-wrap {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  padding: 6px;
}

.offer-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  max-width: none;
}

.offer-meta h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 4px;
}

.offer-bonus-group {
  margin-top: 6px;
}

.offer-bonus {
  font-family: var(--font-sans);
  font-size: 13px;
  color: #e2e8f0;
  line-height: 1.4;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.offer-terms {
  font-family: var(--font-sans);
  font-size: 11px;
  color: #94a3b8;
  margin-top: 4px;
}

.offer-desc {
  font-family: var(--font-sans);
  font-size: 12px;
  color: #94a3b8;
  padding: 0 20px 12px;
  line-height: 1.45;
}

.offer-card-footer {
  padding: 16px 20px 20px;
  margin-top: auto;
}

.offer-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 12px 20px;
  background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
  color: #05060a;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.offer-cta:hover {
  background: linear-gradient(135deg, #a3e635 0%, #84cc16 100%);
  color: #05060a;
}

.info-section {
  padding: 48px 16px;
  position: relative;
}

.info-section:nth-child(even) {
  background: rgba(14, 16, 32, 0.5);
}

.info-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.info-section h2 {
  font-size: 1.45rem;
  margin-bottom: 16px;
}

.info-section p {
  font-size: 15px;
  margin-bottom: 14px;
}

.info-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid var(--primary);
  border-radius: 4px;
  color: var(--primary);
}

.info-cta-link:hover {
  background: rgba(34, 211, 238, 0.22);
  color: var(--secondary);
}

.layout-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

@media (min-width: 768px) {
  .layout-split {
    grid-template-columns: 280px 1fr;
  }
}

.decor-img {
  max-width: 100%;
  width: 100%;
  max-height: 320px;
  height: auto;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.layout-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 16px;
}

@media (min-width: 600px) {
  .layout-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
}

.info-card h3 {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 8px;
}

.info-card p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 0;
}

.layout-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.stat-item {
  text-align: center;
  padding: 16px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--secondary);
  display: block;
}

.stat-label {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.layout-pullquote {
  border-left: 4px solid var(--accent);
  padding: 20px 24px;
  background: rgba(244, 114, 182, 0.06);
  margin: 20px 0;
  font-style: italic;
}

.layout-numbered {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .layout-numbered {
    grid-template-columns: 1fr 220px;
  }
}

.numbered-list {
  list-style: none;
  counter-reset: step;
}

.numbered-list li {
  counter-increment: step;
  padding: 12px 0 12px 40px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.numbered-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--primary);
  width: 28px;
  height: 28px;
  border: 1px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.layout-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 20px 0;
}

.timeline-step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-left: 2px solid var(--primary);
  margin-left: 12px;
  padding-left: 24px;
  position: relative;
}

.timeline-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 20px;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
}

.timeline-step h3 {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--secondary);
  margin-bottom: 4px;
}

.layout-footnotes .papers-ref {
  font-family: var(--font-mono);
  font-size: 12px;
  vertical-align: super;
  color: var(--primary);
}

.footnote-block {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-sans);
}

.layout-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 13px;
}

.compare-table th,
.compare-table td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
}

.compare-table th {
  background: var(--surface);
  color: var(--primary);
  font-weight: 600;
}

.compare-table tr:nth-child(even) td {
  background: rgba(14, 16, 32, 0.6);
}

.layout-mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .layout-mosaic {
    grid-template-columns: 1fr 300px;
  }
}

.mosaic-visual {
  width: 100%;
  max-width: 300px;
  max-height: 200px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  justify-self: center;
}

.academic-equation {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--secondary);
  padding: 12px 16px;
  background: rgba(5, 6, 10, 0.6);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin: 16px 0;
  overflow-x: auto;
}

.research-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid var(--border);
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

@media (max-width: 767px) {
  .hero {
    padding: 24px 16px;
  }

  .layout-stats {
    grid-template-columns: 1fr;
  }

  .decor-img {
    max-width: 100%;
    max-height: 220px;
  }

  .offer-logo-wrap {
    width: 64px;
    height: 64px;
  }

  .offer-logo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
  }

  .offer-bonus {
    font-size: 12px;
  }

  .info-section {
    overflow-x: hidden;
  }

  .layout-table-wrap {
    max-width: 100%;
  }

  .mosaic-visual {
    max-width: 100%;
    max-height: 180px;
  }
}