/* ==========================================================================
   NEXORA — Platform Capabilities Section
   Section-scoped styles. Uses the shared design tokens (style.css) and the
   semantic type scale (--text-h2, --text-card-title, --text-body, …) so
   this section's typography matches every other section on the site.
   ========================================================================== */

.capabilities {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* --------------------------------------------------------------------------
   Background — deliberately different rhythm from the hero: soft dot field
   instead of a line grid, glows placed off-axis, lower overall opacity so
   the section reads as a distinct beat while still feeling connected.
   -------------------------------------------------------------------------- */
.capabilities__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.capabilities__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.capabilities__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.14;
}

.capabilities__glow--cyan {
  width: 460px;
  height: 460px;
  top: -60px;
  right: -120px;
  background: var(--accent-primary);
}

.capabilities__glow--violet {
  width: 420px;
  height: 420px;
  bottom: -140px;
  left: -100px;
  background: var(--accent-secondary);
}

.capabilities__dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black, transparent 78%);
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Heading block
   -------------------------------------------------------------------------- */
.capabilities__head {
  max-width: 640px;
  margin-bottom: clamp(48px, 7vw, 88px);
}

.capabilities__head .text-eyebrow {
  margin-bottom: var(--space-4);
}

.capabilities__heading {
  font-size: var(--text-h2);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
}

.capabilities__lead {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  max-width: 540px;
}

/* --------------------------------------------------------------------------
   Primary feature showcase
   -------------------------------------------------------------------------- */
.capability-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px);
  margin-bottom: clamp(40px, 6vw, 64px);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.capability-feature__copy {
  display: flex;
  flex-direction: column;
}

.capability-feature__copy-content {
  transition:
    opacity 0.26s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.26s cubic-bezier(0.4, 0, 0.2, 1),
    filter 0.26s cubic-bezier(0.4, 0, 0.2, 1);
  filter: blur(0);
}

.capability-feature__copy-content.is-out {
  opacity: 0;
  transform: translateY(-12px);
  filter: blur(3px);
}

.capability-feature__copy-content.is-prep {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(3px);
  transition: none;
}

.capability-feature__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4em 0.85em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color-strong);
  background: rgba(255, 255, 255, 0.03);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-4);
}

.capability-feature__badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 8px 1px rgba(34, 211, 238, 0.7);
}

.capability-feature__title {
  font-size: var(--text-2xl);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-3);
  min-height: 2.4em;
}

.capability-feature__desc {
  font-size: var(--text-body);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
  max-width: 420px;
  min-height: 3.4em;
}

/* --------------------------------------------------------------------------
   Feature tabs — the single active-index control surface (click to jump,
   thin progress fill mirrors the auto-rotation timer)
   -------------------------------------------------------------------------- */
.feature-tabs {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-color);
}

.feature-tab {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  cursor: pointer;
  color: var(--text-muted);
}

.feature-tab__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: var(--space-2);
  transition: color 0.3s ease;
}

.feature-tab.is-active .feature-tab__label {
  color: var(--text-primary);
}

.feature-tab__track {
  display: block;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--border-color);
  overflow: hidden;
}

.feature-tab__fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  border-radius: inherit;
}

/* --------------------------------------------------------------------------
   Builder — the container dims/settles as one unit on switch; each row
   inside also staggers in individually on entrance (delay set inline per
   row by js/capabilities.js) for a cascading reveal.
   -------------------------------------------------------------------------- */

/* Builder visual */
.builder {
  background: rgba(11, 15, 21, 0.6);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  backdrop-filter: blur(10px);
  transition:
    opacity 0.26s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.26s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scale(1) translateY(0);
}

.builder.is-switching {
  opacity: 0.5;
  transform: scale(0.985) translateY(6px);
}

.builder__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
}

.builder__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--success);
}

.builder__status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.builder__step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  transition:
    opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.24s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.5s var(--ease-premium),
    background 0.5s var(--ease-premium),
    box-shadow 0.5s var(--ease-premium);
}

.builder__step.is-enter-hidden {
  opacity: 0;
  transform: translateY(8px);
  transition-duration: 0ms, 0ms, 0.5s, 0.5s, 0.5s;
}

.builder__step-icon {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  transition: background 0.5s var(--ease-premium), color 0.5s var(--ease-premium);
}

.builder__step-label {
  display: block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.builder__step-value {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
}

.builder__step.is-active {
  border-color: var(--border-accent);
  background: var(--accent-gradient-soft);
  box-shadow: 0 0 24px -10px rgba(34, 211, 238, 0.45);
}

.builder__step.is-active .builder__step-icon {
  background: var(--accent-gradient);
  color: #05121a;
}

.builder__connector {
  width: 1px;
  height: 16px;
  margin-left: calc(var(--space-4) + 17px);
  background: var(--border-color-strong);
}

/* --------------------------------------------------------------------------
   Supporting capabilities grid
   -------------------------------------------------------------------------- */
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.capability-card {
  position: relative;
}

.capability-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient-soft);
  color: var(--accent-primary-strong);
  margin-bottom: var(--space-4);
  transition: transform 0.5s var(--ease-premium);
}

.capability-card:hover .capability-card__icon {
  transform: translateY(-2px) scale(1.05);
}

.capability-card__title {
  position: relative;
  display: inline-block;
  font-size: var(--text-card-title);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-2);
}

.capability-card__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--accent-gradient);
  transition: width 0.45s var(--ease-premium);
}

.capability-card:hover .capability-card__title::after {
  width: 28px;
}

.capability-card__desc {
  font-size: var(--text-body);
  color: var(--text-secondary);
  line-height: var(--lh-normal);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1023px) {
  .capability-feature {
    grid-template-columns: 1fr;
  }

  .capability-feature__desc {
    max-width: none;
  }

  .capabilities__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 639px) {
  .capabilities__grid {
    grid-template-columns: 1fr;
  }

  .capability-feature {
    padding: 24px 20px;
  }

  .feature-tabs {
    flex-wrap: wrap;
    row-gap: var(--space-4);
  }

  .feature-tab {
    flex: 1 1 42%;
  }

  .capability-feature__copy-content.is-out {
    transform: translateY(-6px);
  }

  .capability-feature__copy-content.is-prep {
    transform: translateY(6px);
  }

  .builder.is-switching {
    transform: scale(0.99) translateY(3px);
  }

  .builder__step.is-enter-hidden {
    transform: translateY(4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .builder__step,
  .builder,
  .capability-feature__copy-content {
    transition: none;
  }
}