.si-page {
  background: var(--surface-alt);
  font-family: var(--font-body);
  color: var(--on-surface);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.si-page *,
.si-page *::before,
.si-page *::after {
  box-sizing: border-box;
}

.si-hero {
  background: var(--gradient-primary);
  padding: 56px 24px 64px;
  position: relative;
  overflow: hidden;
}

.si-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.16), transparent 55%);
  pointer-events: none;
}

.si-hero-inner {
  max-width: 920px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.si-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.18);
  color: var(--on-primary);
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.35);
}

.si-hero-eyebrow i {
  font-size: 12px;
}

.si-hero-title {
  font-family: var(--font-display);
  color: var(--on-primary);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.15;
  margin: 18px 0 12px;
  letter-spacing: -0.01em;
}

.si-hero-subtitle {
  color: rgba(255,255,255,0.92);
  font-size: 16px;
  max-width: 620px;
  margin: 0 0 22px;
}

.si-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.si-hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,0,0,0.14);
  color: var(--on-primary);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 13px;
  border-radius: var(--radius-full);
}

.si-hero-chip i {
  font-size: 12px;
  color: var(--accent-gold);
}

.si-shell {
  max-width: var(--hd-container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.si-layout {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: 32px;
  margin-top: -32px;
  padding-bottom: 72px;
  align-items: start;
  position: relative;
  z-index: 2;
}

.si-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  padding: 22px 18px;
  position: sticky;
  top: 24px;
}

.si-toc-heading {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-surface-variant);
  margin: 0 0 14px;
  padding: 0 10px;
}

.si-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.si-toc-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 10px;
  border-radius: var(--radius-md);
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
}

.si-toc-link:hover {
  background: var(--primary-light);
  color: var(--primary-variant);
}

.si-toc-icon {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 12px;
  color: var(--primary);
}

.si-toc-link:hover .si-toc-icon {
  background: var(--surface);
}

.si-toc-foot {
  margin-top: 16px;
  padding: 14px 12px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.si-toc-foot i {
  color: var(--primary-variant);
  font-size: 14px;
  margin-top: 2px;
}

.si-toc-foot p {
  margin: 0;
  font-size: 12.5px;
  color: var(--on-surface-variant);
  line-height: 1.55;
}

.si-content {
  min-width: 0;
}

.si-trustbar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.si-trust-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  gap: 13px;
  align-items: flex-start;
  box-shadow: var(--shadow-subtle);
}

.si-trust-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.si-trust-card:nth-child(2) .si-trust-icon {
  background: var(--secondary-light);
  color: var(--secondary);
}

.si-trust-card:nth-child(3) .si-trust-icon {
  background: #FFF7E0;
  color: var(--accent-gold);
}

.si-trust-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 3px;
  color: var(--on-surface);
}

.si-trust-text {
  font-size: 12.5px;
  color: var(--on-surface-variant);
  margin: 0;
  line-height: 1.5;
}

.si-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  padding: 40px 44px;
}

.si-section {
  scroll-margin-top: 24px;
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--border);
}

.si-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.si-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.si-section-num {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.si-section-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  color: var(--on-surface);
  margin: 0;
  letter-spacing: -0.01em;
}

.si-section-body p {
  margin: 0 0 14px;
  color: var(--on-surface-variant);
  font-size: 15px;
}

.si-section-body p:last-child {
  margin-bottom: 0;
}

.si-section-body strong {
  color: var(--on-surface);
  font-weight: 600;
}

.si-section-body a {
  color: var(--primary-variant);
  font-weight: 600;
  text-decoration: none;
}

.si-section-body a:hover {
  text-decoration: underline;
}

.si-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.si-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 14.5px;
  color: var(--on-surface-variant);
}

.si-list i {
  color: var(--primary);
  font-size: 13px;
  margin-top: 4px;
  flex-shrink: 0;
}

.si-datagrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 6px 0 16px;
}

.si-datagrid-item {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.si-datagrid-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--on-surface-faint);
  margin: 0 0 5px;
}

.si-datagrid-label i {
  color: var(--secondary);
  font-size: 11px;
}

.si-datagrid-value {
  font-size: 13.5px;
  color: var(--on-surface);
  margin: 0;
  line-height: 1.5;
}

.si-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 16px;
}

.si-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--on-surface-variant);
  font-size: 12.5px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-full);
}

.si-badge i {
  font-size: 11px;
  color: var(--primary);
}

.si-callout {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  background: var(--primary-light);
  border: 1px solid #FFE1C7;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin: 6px 0 16px;
}

.si-callout-warning {
  background: #FFF6E5;
  border-color: #FFE7B3;
}

.si-callout i {
  color: var(--primary-variant);
  font-size: 15px;
  margin-top: 2px;
  flex-shrink: 0;
}

.si-callout-warning i {
  color: var(--warning);
}

.si-callout p {
  margin: 0;
  font-size: 13.5px;
  color: var(--on-surface);
  line-height: 1.55;
}

.si-contact {
  background: var(--on-surface);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.si-contact-title {
  font-family: var(--font-display);
  color: var(--surface);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 6px;
}

.si-contact-text {
  color: rgba(255,255,255,0.68);
  font-size: 13.5px;
  margin: 0;
}

.si-contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--gradient-primary);
  color: var(--on-primary);
  font-weight: 600;
  font-size: 14px;
  padding: 13px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-medium);
}

.si-contact-cta i {
  font-size: 13px;
}

@media (max-width: 1024px) {
  .si-layout {
    grid-template-columns: 1fr;
  }

  .si-toc {
    position: static;
    display: none;
  }

  .si-card {
    padding: 32px 28px;
  }
}

@media (max-width: 720px) {
  .si-hero {
    padding: 40px 18px 52px;
  }

  .si-shell {
    padding: 0 16px;
  }

  .si-trustbar {
    grid-template-columns: 1fr;
  }

  .si-datagrid {
    grid-template-columns: 1fr;
  }

  .si-card {
    padding: 26px 20px;
    border-radius: var(--radius-md);
  }

  .si-section-title {
    font-size: 18px;
  }

  .si-contact {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 24px;
  }

  .si-contact-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .si-hero-title {
    font-size: 26px;
  }

  .si-hero-subtitle {
    font-size: 14.5px;
  }

  .si-section-head {
    gap: 11px;
  }

  .si-section-num {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
}