body {
  min-inline-size: 20rem;
  overflow-x: hidden;
  background: var(--color-bg);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);
  min-block-size: var(--header-height);
  background: var(--color-surface);
}

.container {
  inline-size: min(100% - (var(--container-padding) * 2), var(--container-max));
  margin-inline: auto;
}

.header-inner {
  min-block-size: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--touch-target);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.brand-text {
  display: inline-block;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3125rem;
  inline-size: var(--touch-target);
  block-size: var(--touch-target);
}

.nav-toggle span {
  display: block;
  inline-size: 1.25rem;
  block-size: 0.125rem;
}

.primary-nav {
  position: absolute;
  inset-block-start: 100%;
  inset-inline: var(--container-padding);
  display: none;
}

.primary-nav.is-open {
  display: block;
}

.primary-nav ul {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-3);
}

.primary-nav a {
  display: flex;
  align-items: center;
  min-block-size: var(--touch-target);
  padding-inline: var(--space-4);
}

.section {
  padding-block: var(--section-padding);
}

.section-soft {
  padding-block: var(--section-padding);
}

.section-header {
  max-inline-size: 44rem;
  margin-block-end: var(--space-8);
}

.section-header > * + * {
  margin-block-start: var(--space-3);
}

.hero {
  padding-block: clamp(var(--space-12), 10vw, var(--space-20));
}

.hero-grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.hero-content {
  max-inline-size: 46rem;
}

.hero-content > * + * {
  margin-block-start: var(--space-5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block-start: var(--space-7);
}

.hero-card {
  inline-size: 100%;
}

.hero-card > * + * {
  margin-block-start: var(--space-4);
}

.check-list {
  display: grid;
  gap: var(--space-3);
}

.search-box {
  display: grid;
  gap: var(--space-3);
  max-inline-size: 52rem;
}

.search-box input {
  inline-size: 100%;
  min-block-size: var(--control-height-lg);
}

.search-box button {
  min-block-size: var(--control-height-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.ad-placeholder {
  min-block-size: 6rem;
  margin-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-placeholder-large {
  min-block-size: 15.625rem;
}

.tool-grid {
  display: grid;
  gap: var(--space-4);
}

.tool-card {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.tool-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 3rem;
  block-size: 3rem;
}

.tool-card a {
  justify-self: start;
  min-block-size: var(--touch-target);
  display: inline-flex;
  align-items: center;
}

.category-grid {
  display: grid;
  gap: var(--space-4);
}

.category-card {
  display: grid;
  gap: var(--space-2);
  min-block-size: 6rem;
  align-content: center;
}

.feature-grid {
  display: grid;
  gap: var(--space-4);
}

.feature-card {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.faq-list {
  display: grid;
  gap: var(--space-3);
  max-inline-size: 52rem;
}

.faq-list details {
  display: grid;
}

.faq-list summary {
  min-block-size: var(--touch-target);
  display: flex;
  align-items: center;
}

.faq-list details[open] summary {
  margin-block-end: var(--space-3);
}

.section-link {
  margin-block-start: var(--space-6);
}

.section-link a {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--touch-target);
}

.site-footer {
  padding-block: var(--space-10) var(--space-6);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
}

.footer-grid > div {
  max-inline-size: 34rem;
}

.footer-grid > div > * + * {
  margin-block-start: var(--space-3);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--touch-target);
}

.footer-nav {
  display: grid;
  gap: var(--space-2);
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--touch-target);
}

.footer-bottom {
  margin-block-start: var(--space-8);
  padding-block-start: var(--space-5);
}

@media (min-width: 40rem) {
  .search-box {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .search-box button {
    padding-inline: var(--space-6);
  }

  .tool-grid,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-nav {
    grid-template-columns: repeat(2, minmax(0, max-content));
    column-gap: var(--space-6);
  }
}

@media (min-width: 48rem) {
  .container {
    inline-size: min(100% - 3rem, var(--container-max));
  }

  .section,
  .section-soft {
    padding-block: 4.5rem;
  }

  .primary-nav {
    position: static;
    display: block;
    inset: auto;
  }

  .primary-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding-block: 0;
  }

  .primary-nav a {
    padding-inline: var(--space-3);
  }

  .nav-toggle {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
    gap: var(--space-10);
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .footer-nav {
    grid-template-columns: repeat(3, minmax(0, max-content));
  }
}

@media (min-width: 64rem) {
  .container {
    inline-size: min(100% - 4rem, var(--container-max));
  }

  .section,
  .section-soft {
    padding-block: 5.5rem;
  }

  .tool-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .category-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}