/* ==========================================================================
   Capabilities — Edge Pharma
   Production Capabilities page: intro header with gradient heading, a
   platform picker built on the shared .tabs component (css/components/
   buttons.css), and the detail panel for the active platform.
   ========================================================================== */

/* ---------------------------------------------------------------------
   Intro — label, gradient heading, description, platform tabs
   Colors and fonts reuse the site's shared tokens (--gradient-h2,
   --color-primary, --font-family-heading) — no page-specific palette.
   --------------------------------------------------------------------- */

.capabilities {
  padding-top: var(--space-12); /* 80px mobile base */
  padding-bottom: var(--space-11);
}

.capabilities-intro__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.capabilities-intro__label {
  font-size: 14px;
  font-weight: var(--fw-semibold);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
}

.capabilities-intro__heading {
  max-width: 780px;
  margin-top: var(--space-4);
  font-family: var(--font-family-heading);
  font-weight: var(--fw-regular);
  line-height: 1.2;
  color: var(--color-text-primary);
  font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.625rem); /* 28px → 42px — matches other page intro headings */
}

.capabilities-intro__accent {
  background: var(--gradient-h2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.capabilities-intro__description {
  max-width: 620px;
  margin-top: var(--space-5);
  font-size: clamp(1rem, 0.9rem + 0.4vw, 1.125rem); /* 16px → 18px */
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

/* ---------------------------------------------------------------------
   Platform tabs — built on the shared .tabs / .tabs__item shell
   --------------------------------------------------------------------- */

.capabilities-tabs {
  justify-content: center;
  margin-top: var(--space-9);
}

.capabilities-tabs.tabs .tabs__item {
  gap: var(--space-2);
  height: 52px;
  padding-inline: var(--space-6);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: transform 200ms var(--ease-default), box-shadow 200ms var(--ease-default),
              background-color 200ms var(--ease-default), border-color 200ms var(--ease-default),
              color 200ms var(--ease-default);
}

.capabilities-tabs.tabs .tabs__item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.capabilities-tabs.tabs .tabs__item.is-active {
  background-color: var(--color-primary);
  border-color: transparent;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.capabilities-tabs__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.capabilities-tabs__icon svg {
  width: 100%;
  height: 100%;
}

/* ---------------------------------------------------------------------
   Panels
   --------------------------------------------------------------------- */

.capabilities-panel {
  position: relative;
  padding: var(--space-7);
  background-color: var(--color-white);
  border-radius: var(--radius-sharp);
  overflow: hidden;
}

.capabilities-panel__grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}

.capabilities-panel__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}

.capabilities-panel__heading-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.capabilities-panel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.capabilities-panel__icon svg {
  width: 32px;
  height: 32px;
}

.capabilities-panel__title {
  font-family: var(--font-family-heading);
  font-weight: var(--fw-extrabold);
  font-size: var(--fs-h3);
  color: var(--color-text-primary);
}

.capabilities-panel__subtitle {
  margin-top: var(--space-4);
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
}

.capabilities-panel__desc {
  max-width: 620px;
  margin-top: var(--space-4);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

.capabilities-panel__list-heading {
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
}

.capabilities-panel__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.capabilities-panel__item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  color: var(--color-text-primary);
}

.capabilities-panel__media {
  border-radius: var(--radius-sharp);
  overflow: hidden;
  min-height: 240px;
}

.capabilities-panel__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------------------------------------------------------------------
   Panel switch-in — replays every time a tab activates a new panel
   (capabilities.js toggles .is-active), not just on first scroll-in.
   --------------------------------------------------------------------- */

@keyframes capabilities-panel-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.capabilities-panel.is-active {
  animation: capabilities-panel-in 480ms var(--ease-default) both;
}

.capabilities-panel.is-active .capabilities-panel__item {
  opacity: 0;
  animation: capabilities-panel-in 420ms var(--ease-default) both;
}

.capabilities-panel.is-active .capabilities-panel__item:nth-child(1) { animation-delay: 120ms; }
.capabilities-panel.is-active .capabilities-panel__item:nth-child(2) { animation-delay: 180ms; }
.capabilities-panel.is-active .capabilities-panel__item:nth-child(3) { animation-delay: 240ms; }
.capabilities-panel.is-active .capabilities-panel__item:nth-child(4) { animation-delay: 300ms; }

@media (prefers-reduced-motion: reduce) {
  .capabilities-panel.is-active,
  .capabilities-panel.is-active .capabilities-panel__item {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.capabilities-panel__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
}

/* ---------------------------------------------------------------------
   Scroll animation — fade up
   --------------------------------------------------------------------- */

.capabilities-intro__label,
.capabilities-intro__heading,
.capabilities-intro__description,
.capabilities-tabs {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease-default), transform 600ms var(--ease-default);
}

.capabilities.is-visible .capabilities-intro__label { transition-delay: 0ms; }
.capabilities.is-visible .capabilities-intro__heading { transition-delay: 80ms; }
.capabilities.is-visible .capabilities-intro__description { transition-delay: 160ms; }
.capabilities.is-visible .capabilities-tabs { transition-delay: 240ms; }

.capabilities.is-visible .capabilities-intro__label,
.capabilities.is-visible .capabilities-intro__heading,
.capabilities.is-visible .capabilities-intro__description,
.capabilities.is-visible .capabilities-tabs {
  opacity: 1;
  transform: translateY(0);
}

.capabilities-panels__inner {
  margin-top: var(--space-5); /* tight — tabs sit right above, panel switch is visible without scrolling */
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease-default), transform 600ms var(--ease-default);
}

.capabilities.is-visible .capabilities-panels__inner {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 320ms;
}

@media (prefers-reduced-motion: reduce) {
  .capabilities-intro__label,
  .capabilities-intro__heading,
  .capabilities-intro__description,
  .capabilities-tabs,
  .capabilities-panels__inner {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------------------------------------------------------------------
   md (≥768px)
   --------------------------------------------------------------------- */

@media (min-width: 768px) {
  .capabilities-panel {
    padding: var(--space-9);
  }

  .capabilities-panel__grid {
    flex-direction: row;
    align-items: stretch;
  }

  .capabilities-panel__content {
    flex: 1 1 55%;
  }

  .capabilities-panel__media {
    flex: 1 1 45%;
    min-height: 0;
  }
}

/* ---------------------------------------------------------------------
   lg (≥992px)
   --------------------------------------------------------------------- */

@media (min-width: 992px) {
  .capabilities {
    padding-top: var(--space-14); /* 120px */
    padding-bottom: var(--space-13);
  }
}