/* ===== Landing Page Styles ===== */

/* Hero */
.kf-hero {
  padding: 4rem 0 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--md-primary-fg-color--light) 0%, var(--md-primary-fg-color) 100%);
  color: var(--md-primary-bg-color);
}

.kf-hero__logo {
  margin-bottom: 1rem;
}

.kf-hero__title {
  font-size: 3rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.kf-hero__subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  opacity: 0.95;
  margin: 0 0 1rem;
}

.kf-hero__tagline {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
  line-height: 1.6;
}

.kf-hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.kf-hero__actions .md-button {
  color: var(--md-primary-bg-color);
  border-color: var(--md-primary-bg-color);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8em 1.4em;
}

.kf-hero__actions .md-button--primary {
  background-color: var(--md-primary-bg-color);
  color: var(--md-primary-fg-color);
  border-color: var(--md-primary-bg-color);
}

.kf-hero__actions .md-button--primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
}

/* Stats bar */
.kf-stats {
  padding: 2rem 0;
  background: var(--md-default-bg-color);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.kf-stats__inner {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.kf-stats__item {
  text-align: center;
}

.kf-stats__number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--md-primary-fg-color);
}

.kf-stats__label {
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section titles */
.kf-section__title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.kf-section__desc {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2rem;
  color: var(--md-default-fg-color--light);
  font-size: 1rem;
  line-height: 1.6;
}

/* Features grid */
.kf-features {
  padding: 4rem 0;
}

.kf-features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.kf-feature {
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: box-shadow 0.2s;
}

.kf-feature:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.kf-feature h3 {
  margin-top: 0;
  font-size: 1.3rem;
  color: var(--md-primary-fg-color);
}

.kf-feature p {
  color: var(--md-default-fg-color--light);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* Benchmark */
.kf-benchmark {
  padding: 4rem 0;
  background: var(--md-code-bg-color);
}

.kf-benchmark__chart {
  display: block;
  max-width: 800px;
  margin: 0 auto;
  border-radius: 0.5rem;
}

.kf-benchmark__link {
  margin-top: 1rem;
  text-align: center;
}

.kf-benchmark__link a {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 600;
}

/* Scan targets */
.kf-targets {
  padding: 4rem 0;
}

.kf-targets__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.kf-target {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-width: 80px;
}

.kf-target span {
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
  text-align: center;
}

/* Install section */
.kf-install {
  padding: 4rem 0;
  background: var(--md-code-bg-color);
}

.kf-install__tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.kf-install__tab {
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
}

.kf-install__tab h4 {
  margin: 0 0 0.5rem;
  color: var(--md-primary-fg-color);
}

.kf-install__tab .highlight {
  margin: 0;
}

.kf-install__tab pre {
  margin: 0;
  padding: 0.5rem;
  font-size: 0.85rem;
  overflow-x: auto;
}

.kf-install__cta {
  text-align: center;
  margin-top: 2rem;
}

.kf-install__cta .md-button {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.8em 1.4em;
}

/* ===== Rules Table ===== */

.rules-search {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  font-size: 1rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  margin-bottom: 1rem;
  box-sizing: border-box;
}

.rules-search:focus {
  outline: 2px solid var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
}

.rules-count {
  color: var(--md-default-fg-color--light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.md-typeset table.rules-table,
table.rules-table {
  display: table;
  width: 100%;
  table-layout: auto;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1rem 0 2rem;
  font-size: 0.72rem;
  line-height: 1.35;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.md-typeset table.rules-table thead,
table.rules-table thead {
  background: var(--md-primary-fg-color);
}

.md-typeset table.rules-table thead th,
table.rules-table thead th {
  color: #fff;
  font-weight: 600;
  text-align: left;
  padding: 0.55rem 0.7rem;
  border: none;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.md-typeset table.rules-table thead th.is-sortable,
table.rules-table thead th.is-sortable {
  cursor: pointer;
  user-select: none;
  padding-right: 1.75rem;
  position: sticky;
}

.md-typeset table.rules-table thead th.is-sortable::after,
table.rules-table thead th.is-sortable::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.5rem;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(255, 255, 255, 0.35);
  border-bottom: 5px solid rgba(255, 255, 255, 0.35);
  opacity: 0.6;
}

.md-typeset table.rules-table thead th.is-sortable:hover,
table.rules-table thead th.is-sortable:hover {
  background: rgba(255, 255, 255, 0.08);
}

.md-typeset table.rules-table thead th.is-sorted-asc::after,
table.rules-table thead th.is-sorted-asc::after {
  border-top: 0;
  border-bottom: 5px solid #fff;
  opacity: 1;
}

.md-typeset table.rules-table thead th.is-sorted-desc::after,
table.rules-table thead th.is-sorted-desc::after {
  border-bottom: 0;
  border-top: 5px solid #fff;
  opacity: 1;
}

.md-typeset table.rules-table tbody td,
table.rules-table tbody td {
  padding: 0.4rem 0.7rem;
  border: none;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  vertical-align: middle;
  background: var(--md-default-bg-color);
  word-break: break-word;
}

.md-typeset table.rules-table tbody tr:nth-child(even) td,
table.rules-table tbody tr:nth-child(even) td {
  background: var(--md-code-bg-color);
}

.md-typeset table.rules-table tbody tr:hover td,
table.rules-table tbody tr:hover td {
  background: var(--md-accent-fg-color--transparent);
}

.md-typeset table.rules-table tbody tr:last-child td,
table.rules-table tbody tr:last-child td {
  border-bottom: none;
}

.md-typeset table.rules-table td code,
table.rules-table td code {
  background: var(--md-code-bg-color);
  color: var(--md-code-fg-color);
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
  font-size: 0.68rem;
  white-space: nowrap;
}

.md-typeset table.rules-table tbody tr:nth-child(even) td code,
table.rules-table tbody tr:nth-child(even) td code {
  background: var(--md-default-bg-color);
}

/* First column (Provider) — emphasized */
.md-typeset table.rules-table tbody td:first-child,
table.rules-table tbody td:first-child {
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

/* Confidence badges */
.md-typeset table.rules-table td:nth-child(4),
table.rules-table td:nth-child(4) {
  font-weight: 500;
}

/* Validates / Revokes columns — center */
.md-typeset table.rules-table td:nth-child(5),
.md-typeset table.rules-table td:nth-child(6),
.md-typeset table.rules-table th:nth-child(5),
.md-typeset table.rules-table th:nth-child(6),
table.rules-table td:nth-child(5),
table.rules-table td:nth-child(6),
table.rules-table th:nth-child(5),
table.rules-table th:nth-child(6) {
  text-align: center;
  white-space: nowrap;
}

/* Responsive wrapper */
@media screen and (max-width: 960px) {
  .md-typeset table.rules-table,
  table.rules-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* Responsive */
@media screen and (max-width: 768px) {
  .kf-hero__title {
    font-size: 2rem;
  }
  .kf-hero__subtitle {
    font-size: 1.2rem;
  }
  .kf-stats__inner {
    gap: 1.5rem;
  }
  .kf-stats__number {
    font-size: 1.5rem;
  }
  .kf-features__grid {
    grid-template-columns: 1fr;
  }
  .kf-install__tabs {
    grid-template-columns: 1fr;
  }
}