/**
 * Platform Pages Shared Styles
 * Used by: SEAREIGN, REINA, Cyber Class platform pages
 * Budget: <10KB | Mobile-first approach
 * Dependencies: css/variables.css
 */

/* Platform Hero — uses shared hero classes from components.css */

/* ============================================
   2. Platform Features Grid
   ============================================ */

.platform-features__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .platform-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.platform-feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.platform-feature__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-card);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

.platform-feature__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.6;
}

.card--glass .platform-feature__icon,
.section--dark .platform-feature__icon {
  background: rgba(17, 94, 89, 0.15);
}

.card--glass .platform-feature__icon svg,
.section--dark .platform-feature__icon svg {
  stroke: var(--color-primary);
}

.platform-feature:hover .platform-feature__icon {
  transform: translateY(-4px);
}

/* ============================================
   3. Platform Audience
   ============================================ */

.platform-audience__grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .platform-audience__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.platform-audience__card {
  text-align: left;
  padding: var(--space-2xl) var(--space-xl);
}

.platform-audience__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-card);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 var(--space-lg);
  transition: transform var(--transition-normal);
}

.platform-audience__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.6;
}

.card--glass .platform-audience__icon,
.section--dark .platform-audience__icon {
  background: rgba(17, 94, 89, 0.15);
}

.card--glass .platform-audience__icon svg,
.section--dark .platform-audience__icon svg {
  stroke: var(--color-primary);
}

.platform-audience__card:hover .platform-audience__icon {
  transform: scale(1.1);
}

.platform-audience__title {
  font-family: var(--font-family);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
}

.section--dark .platform-audience__title {
  color: var(--color-primary);
}

.platform-audience__subtitle {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.platform-audience__label {
  font-family: var(--font-family);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.platform-audience__desc {
  font-size: 0.9375rem;
  line-height: var(--line-height-body);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.platform-audience__desc:last-child {
  margin-bottom: 0;
}

/* ============================================
   4. Platform Mockup (REINA-specific)
   ============================================ */

.platform-mockup__container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .platform-mockup__container {
    flex-direction: row;
  }
}

.platform-mockup__text {
  flex: 1;
}

.platform-mockup__frame {
  flex: 1;
  max-width: 600px;
  width: 100%;
  border-radius: var(--radius-card-lg);
  overflow: hidden;
  transition: transform var(--transition-slow);
}

.card--glass .platform-mockup__frame {
  box-shadow: 0 0 30px rgba(17, 94, 89, 0.1);
}

.platform-mockup__frame img {
  width: 100%;
  height: auto;
  display: block;
}

.platform-mockup__frame:hover {
  transform: scale(1.02);
}

/* ============================================
   5. Platform CTA
   ============================================ */

.platform-cta__heading {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-family: var(--font-family);
  font-weight: 600;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.3;
}

/* CTA text colors adapt to section context */
.section--dark .platform-cta__heading {
  color: var(--color-primary);
}

.platform-cta__text {
  text-align: center;
  max-width: 600px;
  margin: var(--space-md) auto 0;
  line-height: 1.6;
}

.section--dark .platform-cta__text {
  color: var(--color-accent);
}

.platform-cta__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

/* ============================================
   6. Platform Cross-links
   ============================================ */

.platform-crosslinks__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .platform-crosslinks__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .platform-crosslinks__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.platform-crosslink {
  text-align: center;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  transition: transform var(--transition-normal);
}

.platform-crosslink:hover {
  transform: translateY(-4px);
}

.platform-crosslink__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-card);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

.platform-crosslink__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 1.6;
}

.card--glass .platform-crosslink__icon,
.section--dark .platform-crosslink__icon {
  background: rgba(17, 94, 89, 0.15);
}

.card--glass .platform-crosslink__icon svg,
.section--dark .platform-crosslink__icon svg {
  stroke: var(--color-primary);
}

/* ============================================
   7. Platform Package Badge
   ============================================ */

.platform-package-badge {
  display: inline-block;
  background: rgba(17, 94, 89, 0.15);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
  letter-spacing: 0.5px;
}

/* ============================================
   Accessibility & Performance
   ============================================ */

@media (prefers-reduced-motion: reduce) {

  .platform-feature__icon,
  .platform-audience__icon,
  .platform-mockup__frame,
  .platform-crosslink {
    transition: none;
  }

  .platform-feature:hover .platform-feature__icon,
  .platform-audience__card:hover .platform-audience__icon,
  .platform-mockup__frame:hover,
  .platform-crosslink:hover {
    transform: none;
  }
}

/* Focus states for keyboard navigation */
.platform-crosslink:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}