/* ==========================================================================
   P77 Game — game-details.css
   Gold-rimmed game banner, pill tabs with sliding burgundy indicator,
   sticky obsidian CTA card, related-games rail.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero banner
   -------------------------------------------------------------------------- */
.gd-hero { padding-bottom: clamp(2.4rem, 1.8rem + 2.4vw, 3.8rem); }

.gd-hero__inner {
  display: grid;
  gap: clamp(1.8rem, 1.4rem + 2vw, 3.2rem);
  align-items: center;
}

.gd-hero__frame {
  position: relative;
  justify-self: center;
  width: min(100%, 300px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-obsidian-contrast-bg);
  box-shadow:
    0 0 0 1px var(--color-gold-foil),
    0 0 0 8px rgb(31 24 16 / 0.92),
    0 30px 60px -26px rgba(26, 19, 13, 0.5);
}

.gd-hero__img {
  width: 100%;
  height: auto;
  aspect-ratio: 211 / 260;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease-terrace);
}

.gd-hero__frame:hover .gd-hero__img { transform: scale(1.04); }

.gd-hero__foil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(118deg, transparent 38%, rgba(255, 248, 232, 0.26) 50%, transparent 62%);
  transform: translateX(-120%);
  animation: gd-sheen 8s ease-in-out 1.6s infinite;
}

@keyframes gd-sheen {
  0% { transform: translateX(-120%); }
  32%, 100% { transform: translateX(120%); }
}

.gd-hero__title {
  font-size: var(--fs-h1);
  margin-bottom: var(--space-sm);
  text-wrap: balance;
}

.gd-hero .lead { max-width: 52ch; margin-bottom: var(--space-md); }

.gd-hero__facts {
  display: grid;
  gap: 0;
  margin: 0 0 var(--space-md);
  padding: 0.4rem 0;
  list-style: none;
  border-block: 1px solid var(--color-border-hair);
}

.gd-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin: 0;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--color-border-hair);
}

.gd-hero__facts li:last-child { border-bottom: 0; }

.gd-hero__fact-label {
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.gd-hero__fact-value {
  font-size: 0.94rem;
  color: var(--color-text-strong);
  text-align: right;
}

/* --------------------------------------------------------------------------
   Body grid + tabs
   -------------------------------------------------------------------------- */
.gd-body__grid {
  display: grid;
  gap: clamp(1.8rem, 1.4rem + 2vw, 3rem);
  align-items: start;
}

.gd-tabs__list {
  position: relative;
  display: flex;
  gap: 0.3rem;
  overflow-x: auto;
  scrollbar-width: none;
  margin-bottom: var(--space-md);
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--color-border-hair);
}

.gd-tabs__list::-webkit-scrollbar { display: none; }

.gd-tabs__tab {
  flex: 0 0 auto;
  padding: 0.6rem 1.15rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-med) var(--ease-terrace), background-color var(--dur-med) var(--ease-terrace);
}

.gd-tabs__tab:hover { color: var(--color-text-strong); background: var(--color-gold-tint); }

.gd-tabs__tab[aria-selected="true"] {
  color: var(--color-accent-text);
  font-weight: 600;
}

/* Sliding burgundy underline */
.gd-tabs__indicator {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2.5px;
  width: 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-burgundy-600), var(--color-burgundy-500));
  box-shadow: 0 0 10px rgba(122, 20, 32, 0.35);
  transition: transform var(--dur-med) var(--ease-terrace), width var(--dur-med) var(--ease-terrace);
  pointer-events: none;
}

.gd-tabs__panel {
  padding: clamp(1.3rem, 1.1rem + 1vw, 2rem);
  border-radius: var(--radius-md);
  background: var(--color-surface-card);
  box-shadow: var(--shadow-rim-hair), var(--shadow-card);
  animation: gd-panel-in var(--dur-med) var(--ease-terrace);
}

@keyframes gd-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.gd-tabs__panel h3:first-child { margin-top: 0; }
.gd-tabs__panel h4 { margin-top: var(--space-md); margin-bottom: 0.4rem; }

.gd-steps {
  margin: var(--space-sm) 0;
  padding-left: 1.3rem;
  counter-reset: gd;
}

.gd-steps li { margin-bottom: 0.7rem; font-size: 0.97rem; }
.gd-steps li::marker { color: var(--color-gold-deep); font-weight: 600; }

/* --------------------------------------------------------------------------
   Sticky CTA card
   -------------------------------------------------------------------------- */
.gd-aside { display: grid; gap: var(--space-sm); }

.gd-cta-card {
  position: relative;
  padding: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-surface-raised), var(--color-surface-card));
  box-shadow: 0 0 0 1px var(--color-gold-foil), var(--shadow-card-lift);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.gd-cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 88% 6%, rgba(201, 160, 92, 0.22), transparent 46%);
}

.gd-cta-card > * { position: relative; }

.gd-cta-card__seal {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: var(--space-sm);
  border-radius: 50%;
  background: var(--gradient-burgundy);
  box-shadow: 0 0 0 1px var(--color-gold-foil);
  font-family: var(--font-display);
  font-size: 0.86rem;
  color: #FFE7C2;
}

.gd-cta-card__title { font-size: 1.32rem; margin-bottom: 0.5rem; }
.gd-cta-card__text { font-size: 0.92rem; margin-bottom: var(--space-sm); }

.gd-cta-card__bonus {
  margin: 0 0 var(--space-md);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-gold-tint);
  box-shadow: inset 0 0 0 1px rgba(201, 160, 92, 0.42);
  text-align: center;
}

.gd-cta-card__bonus-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}

.gd-cta-card__bonus-amount {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--color-accent-text);
}

.gd-cta-card__terms {
  margin-top: var(--space-sm);
  font-size: 0.74rem;
  line-height: 1.55;
  text-align: center;
  color: var(--color-text-muted);
}

.gd-aside__note p { font-size: 0.87rem; }

/* --------------------------------------------------------------------------
   Related rail
   -------------------------------------------------------------------------- */
.gd-related__carousel { --gd-gap: clamp(0.75rem, 0.5rem + 1vw, 1.4rem); }
.gd-related__track { gap: var(--gd-gap); align-items: stretch; }
.gd-related__slide { width: calc((100% - var(--gd-gap)) / 2); }
.gd-related__slide .game-card { height: 100%; }
.gd-related .btn svg { width: 15px; height: 15px; }

/* --------------------------------------------------------------------------
   Tablet
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .gd-hero__inner { grid-template-columns: minmax(0, 300px) minmax(0, 1fr); }
  .gd-hero__frame { justify-self: start; }
  .gd-related__slide { width: calc((100% - 3 * var(--gd-gap)) / 4); }
}

/* --------------------------------------------------------------------------
   Desktop
   -------------------------------------------------------------------------- */
@media (min-width: 1200px) {
  .gd-hero__inner { grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 3.4rem; }
  .gd-body__grid { grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); gap: 3rem; }
  .gd-aside { position: sticky; top: calc(var(--nav-h) + 28px); }
  .gd-related__slide { width: calc((100% - 5 * var(--gd-gap)) / 6); }
}

@media (prefers-reduced-motion: reduce) {
  .gd-hero__foil { display: none; }
  .gd-tabs__panel { animation: none; }
}