/* ═══════════════════════════════════════════════════════════
   GISAN SHIPYARD — CAPABILITIES ARCHIVE STYLESHEET
   Source of Truth: Approved Stitch Screen "Capabilities Archive - Desktop"
   Responsive Mobile Derivation: Locked Gisan System (390px)
   ═══════════════════════════════════════════════════════════ */

/* ── 1. Page Main Shell & Container ─────────────────────── */
.capabilities-archive {
  padding-top: 140px;
  padding-bottom: 0;
  min-height: 100vh;
  background-color: var(--color-background);
  color: var(--color-on-surface);
}

.capabilities-archive__inner {
  padding: 0 var(--space-margin-desktop);
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

/* ── 2. Page Header / Intro ────────────────────────────── */
.capabilities-archive__header {
  margin-bottom: 64px;
}

.capabilities-archive__title {
  font-family: var(--font-primary);
  font-size: var(--text-display-xl-size);
  font-weight: var(--text-display-xl-weight);
  line-height: var(--text-display-xl-lh);
  letter-spacing: var(--text-display-xl-ls);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.capabilities-archive__intro {
  font-family: var(--font-primary);
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-lh);
  color: var(--color-on-surface-variant);
  max-width: 768px;
  border-left: 2px solid var(--color-secondary);
  padding-left: 24px;
  margin: 0;
}

/* ── 3. Featured Capability Cards Grid ──────────────────── */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-gutter);
  margin-bottom: 64px;
}

.capabilities-grid:empty {
  display: none;
  margin: 0;
}

/* Base card styling */
.capability-card {
  grid-column: span 4;
  min-height: 400px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(129, 135, 185, 0.3);
  background-color: var(--color-surface-container);
  border-radius: 0;
  text-decoration: none;
  color: var(--color-off-white);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.capability-card:hover {
  border-color: var(--color-steel-grey);
}

/* No term image is preferable to an unrelated vessel or frozen demo asset. */
.capability-card--no-media {
  background-color: var(--color-primary);
  border-color: rgba(129, 135, 185, 0.45);
}

.capability-card--no-media .capability-card__overlay {
  background: none;
}

.capability-card:focus-visible {
  outline: 2px solid var(--color-secondary-container);
  outline-offset: 4px;
}

/* Asymmetric Stitch layout rules for desktop */
.capability-card--featured-large,
.capabilities-grid > .capability-card:first-child:not(:only-child) {
  grid-column: span 8;
  min-height: 500px;
}

.capability-card--featured-tall,
.capabilities-grid > .capability-card:nth-child(2) {
  grid-column: span 4;
  min-height: 500px;
}

/* Stable fallback rule for all cards from 3 onwards */
.capabilities-grid > .capability-card:nth-child(n+3) {
  grid-column: span 4;
  min-height: 400px;
}

/* Single card fallback */
.capabilities-grid > .capability-card:only-child {
  grid-column: span 12;
  max-width: 960px;
  min-height: 480px;
}

/* Card image wrap & background */
.capability-card__image-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
  background-color: var(--color-primary);
}

.capability-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.capability-card:hover .capability-card__image {
  transform: scale(1.04);
}

.capability-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(18, 20, 23, 0.95) 0%,
    rgba(18, 20, 23, 0.6) 45%,
    rgba(18, 20, 23, 0.2) 75%,
    rgba(18, 20, 23, 0.05) 100%
  );
  z-index: 2;
  pointer-events: none;
}

/* Card content layout */
.capability-card__content {
  position: relative;
  z-index: 3;
  padding: 32px;
  width: 100%;
}

.capability-card__content-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Card 1 wide content layout */
.capability-card--featured-large .capability-card__content-inner {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}

.capability-card--featured-large .capability-card__text-block {
  max-width: 600px;
}

.capability-card__title {
  font-family: var(--font-primary);
  font-size: var(--text-headline-md-size);
  font-weight: var(--text-headline-md-weight);
  line-height: var(--text-headline-md-lh);
  color: var(--color-off-white);
  margin: 0 0 8px 0;
  text-transform: uppercase;
}

.capability-card--featured-large .capability-card__title {
  font-size: var(--text-headline-lg-size);
  font-weight: var(--text-headline-lg-weight);
  line-height: var(--text-headline-lg-lh);
  letter-spacing: var(--text-headline-lg-ls);
}

.capability-card__desc {
  font-family: var(--font-primary);
  font-size: var(--text-body-md-size);
  line-height: var(--text-body-md-lh);
  font-weight: 400;
  color: var(--color-surface-dim);
  margin: 0 0 16px 0;
}

.capability-card__link {
  font-family: var(--font-primary);
  font-size: var(--text-label-caps-size);
  font-weight: var(--text-label-caps-weight);
  letter-spacing: var(--text-label-caps-ls);
  text-transform: uppercase;
  color: var(--color-off-white);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: color 0.2s ease, transform 0.2s ease;
  margin-top: auto;
}

.capability-card__link .material-symbols-outlined {
  font-size: 16px;
  transition: transform 0.2s ease;
}

.capability-card:hover .capability-card__link {
  color: var(--color-secondary-container);
}

.capability-card:hover .capability-card__link .material-symbols-outlined {
  transform: translateX(4px);
}

/* ── 4. Secondary List Capabilities Section ─────────────── */
.capabilities-list-section {
  border-top: 1px solid rgba(129, 135, 185, 0.3);
  margin-top: 32px;
  padding-top: 48px;
  margin-bottom: 64px;
}

.capabilities-list-section:empty {
  display: none;
  margin: 0;
  padding: 0;
  border: none;
}

.capabilities-list-section__header {
  margin-bottom: 24px;
}

.capabilities-list-section__eyebrow {
  font-family: var(--font-primary);
  font-size: var(--text-label-caps-size);
  font-weight: var(--text-label-caps-weight);
  letter-spacing: var(--text-label-caps-ls);
  text-transform: uppercase;
  color: var(--color-secondary);
  margin: 0 0 8px 0;
}

.capabilities-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 var(--space-gutter);
}

.capability-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(129, 135, 185, 0.3);
  padding: 24px 16px;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease;
  border-radius: 0;
}

.capability-list-item:hover {
  background-color: var(--color-surface-low);
}

.capability-list-item:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.capability-list-item__text {
  padding-right: 16px;
}

.capability-list-item__title {
  font-family: var(--font-primary);
  font-size: var(--text-headline-md-size);
  font-weight: var(--text-headline-md-weight);
  line-height: var(--text-headline-md-lh);
  color: var(--color-primary);
  margin: 0 0 4px 0;
  text-transform: uppercase;
}

.capability-list-item__desc {
  font-family: var(--font-primary);
  font-size: var(--text-body-md-size);
  line-height: var(--text-body-md-lh);
  font-weight: 400;
  color: var(--color-on-surface-variant);
  margin: 0;
}

.capability-list-item__link {
  font-family: var(--font-primary);
  font-size: var(--text-label-caps-size);
  font-weight: var(--text-label-caps-weight);
  letter-spacing: var(--text-label-caps-ls);
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: color 0.2s ease, transform 0.2s ease;
}

.capability-list-item__link .material-symbols-outlined {
  font-size: 16px;
  transition: transform 0.2s ease;
}

.capability-list-item:hover .capability-list-item__link {
  color: var(--color-secondary);
}

.capability-list-item:hover .capability-list-item__link .material-symbols-outlined {
  transform: translateX(4px);
}

/* ── 5. Related Projects Section ────────────────────────── */
.capabilities-related {
  border-top: 1px solid rgba(129, 135, 185, 0.3);
  margin-top: 64px;
  padding-top: 64px;
  margin-bottom: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}

.capabilities-related:empty {
  display: none;
  margin: 0;
  padding: 0;
  border: none;
}

.capabilities-related__content {
  max-width: 640px;
}

.capabilities-related__title {
  font-family: var(--font-primary);
  font-size: var(--text-headline-lg-size);
  font-weight: var(--text-headline-lg-weight);
  line-height: var(--text-headline-lg-lh);
  letter-spacing: var(--text-headline-lg-ls);
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 8px 0;
}

.capabilities-related__desc {
  font-family: var(--font-primary);
  font-size: var(--text-body-md-size);
  line-height: var(--text-body-md-lh);
  color: var(--color-on-surface-variant);
  margin: 0;
}

/* ── 6. Locked Technical Enquiry CTA Section ────────────── */
.capability-cta {
  padding: 96px 0;
  background-color: var(--color-charcoal);
  color: var(--color-off-white);
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(129, 135, 185, 0.2);
}

.capability-cta__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-gutter);
  align-items: center;
}

.capability-cta__content {
  grid-column: span 8;
}

.capability-cta__kicker {
  font-family: var(--font-primary);
  font-size: var(--text-label-caps-size);
  font-weight: var(--text-label-caps-weight);
  letter-spacing: var(--text-label-caps-ls);
  text-transform: uppercase;
  color: var(--color-secondary-container);
  margin-bottom: 12px;
}

.capability-cta__title {
  font-family: var(--font-primary);
  font-size: var(--text-headline-lg-size);
  font-weight: var(--text-headline-lg-weight);
  line-height: var(--text-headline-lg-lh);
  letter-spacing: var(--text-headline-lg-ls);
  color: var(--color-off-white);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.capability-cta__desc {
  font-family: var(--font-primary);
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-lh);
  color: var(--color-outline);
  max-width: 640px;
  margin: 0;
}

.capability-cta__actions {
  grid-column: span 4;
  display: flex;
  justify-content: flex-end;
}

/* ── 7. Responsive Breakpoints ──────────────────────────── */

/* Tablet (769px to 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .capabilities-archive__inner {
    padding: 0 var(--space-margin-tablet);
  }

  .capabilities-grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .capability-card--featured-large,
  .capabilities-grid > .capability-card:first-child:not(:only-child) {
    grid-column: span 12;
    min-height: 460px;
  }

  .capability-card--featured-tall,
  .capabilities-grid > .capability-card:nth-child(n+2) {
    grid-column: span 6;
    min-height: 400px;
  }

  .capability-cta__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .capability-cta__content {
    grid-column: span 1;
  }

  .capability-cta__actions {
    grid-column: span 1;
    justify-content: flex-start;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .capabilities-archive {
    padding-top: 110px;
    padding-bottom: 0;
  }

  .capabilities-archive__inner {
    padding: 0 var(--space-margin-mobile);
  }

  .capabilities-archive__title {
    font-size: var(--text-headline-lg-mob-size);
    line-height: var(--text-headline-lg-mob-lh);
    margin-bottom: 16px;
  }

  .capabilities-archive__intro {
    font-size: var(--text-body-md-size);
    padding-left: 16px;
  }

  /* Robust single-column mobile flex stacking */
  .capabilities-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 48px;
  }

  .capability-card,
  .capability-card--featured-large,
  .capability-card--featured-tall,
  .capabilities-grid > .capability-card {
    width: 100%;
    min-height: 380px;
    max-width: 100%;
  }

  .capability-card--featured-large .capability-card__content-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .capability-card--featured-large .capability-card__title {
    font-size: var(--text-headline-md-size);
    line-height: var(--text-headline-md-lh);
  }

  .capability-card__content {
    padding: 24px;
  }

  .capabilities-list-grid {
    display: flex;
    flex-direction: column;
  }

  .capability-list-item {
    width: 100%;
    padding: 20px 8px;
  }

  .capabilities-related {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-top: 48px;
    padding-top: 48px;
  }

  .capabilities-related__title {
    font-size: var(--text-headline-md-size);
  }

  .capabilities-related .btn {
    width: 100%;
    justify-content: center;
  }

  .capability-cta {
    padding: 64px 0;
  }

  .capability-cta__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .capability-cta__content {
    grid-column: span 1;
  }

  .capability-cta__actions {
    grid-column: span 1;
    justify-content: flex-start;
  }

  .capability-cta__title {
    font-size: var(--text-headline-md-size);
  }

  .capability-cta__desc {
    font-size: var(--text-body-md-size);
  }

  .capability-cta__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Small mobile (max 390px) */
@media (max-width: 390px) {
  .capabilities-archive__inner {
    padding: 0 16px;
  }

  .capability-card {
    min-height: 360px;
  }

  .capability-card__content {
    padding: 20px 16px;
  }

  .capability-list-item {
    padding: 16px 4px;
  }
}