.upgrades-hero {
  padding-block: var(--layout-section-padding-y-lg);
}

.upgrades-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-16);
  align-items: center;
}

.upgrades-hero-copy h1 {
  max-width: 26rem;
}

.upgrades-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.upgrades-hero-visual {
  display: flex;
  justify-content: center;
}

.upgrades-hero-panel {
  width: 100%;
}

.upgrades-orb-ring {
  position: relative;
  width: min(320px, 100%);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  border-radius: 999px;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.16) 0%, transparent 60%),
    radial-gradient(circle at 20% 10%, rgba(30, 242, 255, 0.45) 0%, transparent 55%),
    radial-gradient(circle at 80% 90%, rgba(255, 122, 47, 0.45) 0%, transparent 55%),
    rgba(5, 7, 22, 0.95);
  box-shadow: var(--shadow-glow-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upgrades-orb {
  position: absolute;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.9);
}

.upgrades-orb--attack {
  background: radial-gradient(circle, var(--color-accent-orange) 0%, transparent 70%);
  top: 6%;
  left: 50%;
  transform: translateX(-50%);
}

.upgrades-orb--magic {
  background: radial-gradient(circle, var(--color-accent-cyan) 0%, transparent 70%);
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
}

.upgrades-orb--defense {
  background: radial-gradient(circle, var(--color-accent-emerald) 0%, transparent 70%);
  bottom: 4%;
  left: 50%;
  transform: translateX(-50%);
}

.upgrades-orb--speed {
  background: radial-gradient(circle, var(--color-accent-gold) 0%, transparent 70%);
  left: 4%;
  top: 50%;
  transform: translateY(-50%);
}

.section-intro {
  background: var(--color-bg-elevated);
}

.section-header-flex {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 640px;
}

.upgrades-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.upgrades-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
}

.upgrades-list li span:first-child {
  font-weight: 600;
  color: var(--gray-50);
}

.upgrades-list li span:last-child {
  color: var(--color-text-soft);
}

.upgrades-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.upgrades-tags li {
  padding-inline: var(--space-4);
  padding-block: var(--space-1);
  border-radius: var(--radius-pill);
  background: rgba(5, 7, 22, 0.8);
  border: 1px solid rgba(142, 153, 255, 0.6);
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.upgrades-intro-grid {
  align-items: center;
  gap: var(--space-16);
}

.upgrades-intro-card {
  height: 100%;
}

.section-hero-upgrades {
  background: var(--color-bg-soft);
}

.upgrades-stats-grid {
  align-items: stretch;
}

.upgrades-card-special {
  border-color: rgba(255, 214, 74, 0.9);
}

.upgrades-card-link {
  display: flex;
  flex-direction: column;
}

.upgrades-card-link .card-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.upgrades-card-link .btn {
  margin-top: auto;
}

.section-orbs {
  background: var(--color-bg-elevated);
}

.upgrades-orbs-grid {
  gap: var(--space-16);
  align-items: center;
}

.upgrades-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.upgrades-figure {
  max-width: 520px;
}

.section-gear {
  background: var(--color-bg);
}

.upgrades-gear-grid {
  align-items: stretch;
}

.upgrades-gear-note {
  margin-top: var(--space-12);
}

.section-talents {
  background: var(--color-bg-soft);
}

.upgrades-talents-grid {
  gap: var(--space-16);
  align-items: stretch;
}

.upgrades-talents-panel {
  align-self: stretch;
}

.section-base {
  background: var(--color-bg-elevated);
}

.upgrades-base-grid {
  gap: var(--space-16);
  align-items: center;
}

.section-resources {
  background: var(--color-bg);
}

.upgrades-resources-grid {
  gap: var(--space-16);
  align-items: flex-start;
}

.upgrades-resources-panel {
  align-self: stretch;
}

.section-strategy {
  background: var(--color-bg-soft);
}

.upgrades-strategy-grid {
  gap: var(--space-16);
  align-items: stretch;
}

.upgrades-strategy-card {
  align-self: stretch;
}

.section-visual-evolution {
  background: var(--color-bg-elevated);
}

.upgrades-visual-grid {
  gap: var(--space-16);
  align-items: center;
}

.section-faq {
  background: var(--color-bg);
}

.upgrades-faq-list {
  display: grid;
  gap: var(--space-4);
}

.upgrades-faq-item {
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 38, 0.9);
  border: 1px solid rgba(134, 143, 255, 0.4);
  padding-inline: var(--space-8);
  padding-block: var(--space-4);
}

.upgrades-faq-item summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.upgrades-faq-item summary::-webkit-details-marker {
  display: none;
}

.upgrades-faq-item[open] {
  border-color: var(--color-accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
}

.upgrades-faq-item p {
  margin-top: var(--space-3);
}

.section-experiment {
  background: var(--color-bg-soft);
}

.upgrades-experiment-card {
  background: radial-gradient(circle at 0% 0%, rgba(90, 75, 255, 0.65) 0%, transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(30, 242, 255, 0.45) 0%, transparent 55%),
    rgba(11, 15, 38, 0.96);
}

.upgrades-experiment-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
  align-items: center;
  justify-content: space-between;
}

.upgrades-experiment-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (max-width: 960px) {
  .upgrades-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .upgrades-hero-copy h1 {
    max-width: none;
  }

  .upgrades-experiment-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .upgrades-experiment-cta {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .upgrades-hero-cta {
    flex-direction: column;
  }

  .upgrades-orb-ring {
    width: min(260px, 100%);
  }

  .upgrades-faq-item {
    padding-inline: var(--space-6);
  }
}