*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { cursor: pointer; border: none; background: none; font: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-dark);
}

.site-content { padding-top: var(--header-h); }

.section-inner,
.tool-page__inner,
.archive-page__inner { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-lg); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-h); }
.btn--cta { background: var(--color-cta); color: #fff; }
.btn--cta:hover { background: var(--color-cta-h); }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  color: var(--color-muted);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb__sep { color: var(--color-border); }

/* Tools grid */
.tools-grid { display: grid; gap: var(--space-md); }
.tools-grid--3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 900px) {
  .tools-grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .tools-grid--3 { grid-template-columns: 1fr; }
}

/* Tool card */
.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.tool-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.tool-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}
.tool-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}
.tool-card__icon svg { width: 22px; height: 22px; }
.tool-card__badge {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}
.tool-card__badge--new     { background: #EFF6FF; color: #2563EB; }
.tool-card__badge--popular { background: #FEF3C7; color: #D97706; }
.tool-card__badge--hot     { background: #FEF2F2; color: #DC2626; }
.tool-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-dark);
}
.tool-card__desc {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}
.tool-card__arrow {
  font-size: 1rem;
  color: var(--color-border);
  margin-top: auto;
  transition: color var(--dur), transform var(--dur);
}
.tool-card:hover .tool-card__arrow { color: var(--color-primary); transform: translateX(4px); }

/* Search results dropdown */
.nav-search__results {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  overflow: hidden;
}
.nav-search__results.is-open { display: block; }
.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px 14px;
  transition: background var(--dur);
}
.search-result-item:hover { background: var(--color-bg); }
.search-result-icon { font-size: 1.25rem; width: 28px; text-align: center; flex-shrink: 0; }
.search-result-name { font-size: .9rem; font-weight: 600; color: var(--color-dark); }
.search-result-cat  { font-size: .78rem; color: var(--color-muted); margin-top: 1px; }
.search-empty { padding: 14px; text-align: center; color: var(--color-muted); font-size: .875rem; }