/* ── Section ── */
.lib-entry-services {
  width: 100%;
  padding-block: var(--lib-space-section-y);
  background-color: var(--lib-surface-page);
}

.lib-entry-services__container {
  width: var(--lib-container-wide);
  margin-inline: auto;
  padding-inline: var(--lib-space-4);
}

/* ── Header ── */
.lib-entry-services__header {
  margin-bottom: var(--lib-space-10);
  text-align: center;
}

.lib-entry-services__title {
  margin: 0 0 var(--lib-space-3);
  font-family: var(--lib-font-heading);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--lib-text-primary);
}

.lib-entry-services__desc {
  margin: 0 auto;
  max-width: 42rem;
  font-family: var(--lib-font-body);
  font-size: var(--lib-font-size-body-lg);
  line-height: 1.6;
  color: var(--lib-text-secondary);
}

/* ── Grid ── */
.lib-entry-services__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--lib-space-3);
}

/* ── Card ── */
.lib-entry-card {
  display: flex;
  flex-direction: column;
  background: var(--lib-surface-elevated);
  border: 1px solid var(--lib-border-default);
  border-radius: var(--lib-radius-md);
  overflow: hidden;
}

/* ── Face: icon + title ── */
.lib-entry-card__face {
  display: flex;
  flex-direction: column;
  gap: var(--lib-space-3);
  padding: var(--lib-space-5);
  background: transparent;
}

.lib-entry-card__icon {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  color: var(--lib-icon-brand);
}

.lib-entry-card__icon svg {
  width: 100%;
  height: 100%;
}

.lib-entry-card__title {
  margin: 0;
  color: var(--lib-text-primary);
  font-family: var(--lib-font-body);
  font-size: var(--lib-font-size-body-lg);
  font-weight: 600;
  line-height: 1.15;
  text-align: left;
}

/* ── Panel: description ── */
.lib-entry-card__panel {
  flex: 1;
}

.lib-entry-card__panel-inner {
  display: flex;
  flex-direction: column;
  gap: var(--lib-space-3);
  padding: 0 var(--lib-space-5) var(--lib-space-5);
}

.lib-entry-card__description {
  display: block;
  margin: 0;
  font-family: var(--lib-font-body);
  font-size: var(--lib-font-size-base);
  line-height: 1.6;
  color: var(--lib-text-secondary);
}

/* ── Footer ── */
.lib-entry-services__footer {
  margin-top: var(--lib-space-8);
  text-align: center;
}

.lib-entry-services__footer-text {
  margin: 0 auto;
  max-width: 42rem;
  font-family: var(--lib-font-body);
  font-size: var(--lib-font-size-base);
  line-height: 1.6;
  color: var(--lib-text-secondary);
}

.lib-entry-services__footer-cta {
  margin-top: var(--lib-space-5);
}

/* ── Mobile accordion (<640px) ── */
@media (max-width: 639px) {
  /* Grid as single bordered list */
  .lib-entry-services__grid {
    border: 1px solid var(--lib-border-default);
    border-radius: var(--lib-radius-md);
    overflow: hidden;
  }

  /* Cards as rows */
  .lib-entry-card {
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--lib-border-default);
    transition: background var(--lib-transition-base);
  }

  .lib-entry-card:last-child {
    border-bottom: none;
  }

  /* Face: horizontal — icon + title + chevron */
  .lib-entry-card__face {
    flex-direction: row;
    align-items: center;
    padding: var(--lib-space-4);
    gap: var(--lib-space-3);
    cursor: pointer;
    user-select: none;
  }

  /* Chevron via ::after */
  .lib-entry-card__face::after {
    content: "";
    display: block;
    width: 0.375rem;
    height: 0.375rem;
    border-right: 1.5px solid var(--lib-text-secondary);
    border-bottom: 1.5px solid var(--lib-text-secondary);
    transform: rotate(45deg);
    margin-inline-start: auto;
    flex-shrink: 0;
    transition: transform 0.28s ease, border-color 0.28s ease;
  }

  .lib-entry-card.is-open .lib-entry-card__face::after {
    transform: rotate(-135deg);
    border-color: var(--lib-border-brand);
  }

  /* Icon: compact inline */
  .lib-entry-card__icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  /* Title: body size */
  .lib-entry-card__title {
    font-size: var(--lib-font-size-base);
  }

  /* Panel: collapsed by default via grid-template-rows trick */
  .lib-entry-card__panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
  }

  .lib-entry-card__panel-inner {
    overflow: hidden;
    padding: 0;
  }

  .lib-entry-card__description {
    padding: 0 var(--lib-space-4) var(--lib-space-4) calc(var(--lib-space-4) + 1.25rem + var(--lib-space-3));
  }

  /* Open: expand panel */
  .lib-entry-card.is-open .lib-entry-card__panel {
    grid-template-rows: 1fr;
  }

  /* Open: subtle tint */
  .lib-entry-card.is-open {
    background: color-mix(in srgb, var(--lib-surface-brand-primary) 4%, var(--lib-surface-elevated));
  }
}

/* ── Tablet: 2 cols ── */
@media (min-width: 640px) {
  .lib-entry-services__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ── Desktop: 3-col matrix with hover reveal ── */
@media (min-width: 1024px) {
  .lib-entry-services {
    padding-block: var(--lib-space-section-y);
  }

  .lib-entry-services__container {
    padding-inline: var(--lib-space-6);
  }

  /* Matrix grid: 1px gap as grid line */
  .lib-entry-services__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--lib-space-hairline);
    background: var(--lib-border-default);
    border: 1px solid var(--lib-border-default);
    border-radius: var(--lib-radius-lg);
    overflow: hidden;
  }

  /* 4 cards: 4 columns, so the matrix never shows an empty grey cell
     (2026-10-14); 2 cards: 2 columns. */
  .lib-entry-services__grid--count-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .lib-entry-services__grid--count-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* Cell: fixed height, flex column */
  .lib-entry-card {
    border: none;
    border-radius: 0;
    min-height: 13rem;
    transition: background var(--lib-transition-base);
  }

  /* Face: fixed portion at top */
  .lib-entry-card__face {
    flex: 0 0 auto;
    padding: 1.75rem var(--lib-space-6) var(--lib-space-3);
    gap: var(--lib-space-4);
  }

  .lib-entry-card__icon {
    width: 2rem;
    height: 2rem;
    opacity: 0.68;
    transition: opacity var(--lib-transition-base);
  }

  .lib-entry-card__title {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
  }

  /* Panel: fills remaining height, invisible by default */
  .lib-entry-card__panel {
    flex: 1;
    opacity: 0;
    overflow: hidden;
    transition: opacity var(--lib-transition-base);
  }

  .lib-entry-card__panel-inner {
    padding: 0 var(--lib-space-6) var(--lib-space-6);
    gap: var(--lib-space-2);
  }

  .lib-entry-card__description {
    font-size: var(--lib-font-size-body-sm);
  }

  /* Hover: tint + icon full opacity + panel reveals */
  .lib-entry-card:hover,
  .lib-entry-card:focus-within {
    background: color-mix(in srgb, var(--lib-surface-brand-primary) 4%, var(--lib-surface-elevated));
  }

  .lib-entry-card:hover .lib-entry-card__icon,
  .lib-entry-card:focus-within .lib-entry-card__icon {
    opacity: 1;
  }

  .lib-entry-card:hover .lib-entry-card__panel,
  .lib-entry-card:focus-within .lib-entry-card__panel {
    opacity: 1;
  }
}

/* Real gap found and fixed (Token Contract V1 + Accessibility Migration
   gate, 2026-09-06): same real pattern already fixed in
   components/button-system/button-system.css and
   components/card-base/card-base.css. Not nested inside the width media
   queries above -- reduced-motion applies at every breakpoint these
   selectors are active in. */
@media (prefers-reduced-motion: reduce) {
  .lib-entry-card,
  .lib-entry-card__face::after,
  .lib-entry-card__panel,
  .lib-entry-card__icon {
    transition: none;
  }
}

/* Card link (2026-10-14): a card with a url links its title; on desktop the
   whole card is the link. Related-services cards must reach their page. */
.lib-entry-card__link {
  color: inherit;
  text-decoration: none;
}

.lib-entry-card__link:focus-visible {
  outline: 2px solid var(--lib-border-accent);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .lib-entry-card {
    position: relative;
  }

  .lib-entry-card__link::after {
    position: absolute;
    inset: 0;
    content: "";
  }
}