.nav-link-active {
  color: var(--color-brand-900);
  background: var(--color-brand-200);
}

.mobile-nav-link-active {
  background: var(--color-brand-200);
  border-color: var(--color-brand-200);
  color: var(--color-brand-900);
}

.grip-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.85fr);
  gap: 18px;
  padding: 24px;
  margin-bottom: 18px;
}

.grip-hero-main {
  min-width: 0;
}

.grip-hero-side {
  display: grid;
  gap: 10px;
}

.hero-side-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--color-brand-200);
}

.hero-side-label {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-900);
  margin-bottom: 6px;
}

.hero-side-text {
  font-size: 14px;
  line-height: 1.58;
  color: var(--color-ink);
  font-weight: 600;
}

.grip-spectrum {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.spectrum-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spectrum-card-wide {
  background: linear-gradient(180deg, #ffffff 0%, #f6fbf6 100%);
}

.spectrum-kicker {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.spectrum-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  color: var(--color-brand-900);
}

.spectrum-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--color-muted);
}

.grip-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 18px;
  align-items: start;
}

.grip-article {
  padding: 24px;
}

.grip-article .article-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.grip-article .article-section + .article-section {
  margin-top: 18px;
}

.grip-article .article-heading {
  margin: 0;
  font-size: 21px;
  line-height: 1.32;
}

.grip-article .article-paragraph {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--color-muted);
}

.grip-sidebar {
  position: sticky;
  top: 20px;
  padding: 20px;
}

.sidebar-title {
  margin-bottom: 12px;
}

.sidebar-item {
  padding: 12px 0;
}

.sidebar-link-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-route {
  color: var(--color-brand-900);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.5;
}

.sidebar-route:hover {
  text-decoration: underline;
}

.footer-links {
  row-gap: 8px;
}

@media (max-width: 1120px) {
  .grip-spectrum {
    grid-template-columns: repeat(2, 1fr);
  }

  .spectrum-card-wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 980px) {
  .grip-hero {
    grid-template-columns: 1fr;
  }

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

  .grip-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .grip-hero,
  .grip-article,
  .grip-sidebar {
    padding: 20px;
  }

  .grip-spectrum {
    grid-template-columns: 1fr;
  }
}