/* =====================================================================
   ODYSSEY — Departments page
   Planet-orbit department selector + synchronized detail card
   Reuses tokens from main.css. --accent is set per active department.
   ===================================================================== */

:root {
  --accent: var(--cyan);
  --accent-glow: rgba(56, 189, 248, 0.5);
}

/* ---------------------------------------------------------------------
   HERO — full-viewport orbit scene
   --------------------------------------------------------------------- */
.dept-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg-0);
}

/* Dim galaxy backdrop */
.dept-hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(1100px 640px at 78% -12%, rgba(56, 189, 248, 0.12), transparent 60%),
    radial-gradient(900px 620px at 12% 116%, rgba(249, 115, 22, 0.10), transparent 60%),
    url('../img/bg-galaxy.jpg') center/cover no-repeat,
    var(--bg-0);
  opacity: 0.55;
}
.dept-hero::after {
  /* vignette to seat the planets into deep space */
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 116%, transparent 40%, rgba(4, 5, 10, 0.55) 100%),
    linear-gradient(180deg, rgba(4, 5, 10, 0.55) 0%, transparent 26%, transparent 62%, rgba(4, 5, 10, 0.7) 100%);
}

/* Parallax star layers */
.stars-layer,
.stars-layer-2 {
  position: absolute;
  inset: -6%;
  z-index: 1;
  will-change: transform;
}
.stars-layer {
  background-image:
    radial-gradient(1px 1px at 20px 30px, #fff, transparent),
    radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 130px 80px, #fff, transparent),
    radial-gradient(1px 1px at 160px 30px, rgba(200,220,255,0.7), transparent),
    radial-gradient(1.5px 1.5px at 200px 60px, rgba(180,200,255,0.9), transparent),
    radial-gradient(1px 1px at 250px 20px, #fff, transparent),
    radial-gradient(1px 1px at 300px 90px, rgba(255,255,255,0.5), transparent);
  background-size: 320px 100px;
  animation: dept-twinkle 8s ease-in-out infinite alternate;
}
.stars-layer-2 {
  background-image:
    radial-gradient(1px 1px at 50px 50px, rgba(255,255,255,0.9), transparent),
    radial-gradient(0.8px 0.8px at 100px 20px, rgba(200,210,255,0.7), transparent),
    radial-gradient(1.2px 1.2px at 180px 70px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 220px 40px, #fff, transparent),
    radial-gradient(0.8px 0.8px at 280px 80px, rgba(180,190,255,0.8), transparent),
    radial-gradient(1px 1px at 350px 30px, rgba(255,255,255,0.5), transparent);
  background-size: 400px 100px;
  animation: dept-twinkle 12s ease-in-out infinite alternate-reverse;
}
@keyframes dept-twinkle { from { opacity: 0.55; } to { opacity: 1; } }

.nebula-layer {
  position: absolute;
  inset: -6%;
  z-index: 1;
  pointer-events: none;
  will-change: transform;
  transition: background 1.1s var(--ease);
  background:
    radial-gradient(ellipse at 22% 46%, rgba(56, 189, 248, 0.10) 0%, transparent 52%),
    radial-gradient(ellipse at 80% 32%, rgba(139, 92, 246, 0.08) 0%, transparent 44%),
    radial-gradient(ellipse at 50% 84%, var(--accent-glow) 0%, transparent 46%);
  opacity: 0.7;
}

/* Header eyebrow — clears the floating nav */
.dept-hero-head {
  position: absolute;
  top: 118px;
  left: 0; right: 0;
  z-index: 6;
  text-align: center;
}
.dept-hero-head .eyebrow { justify-content: center; }
.dept-hero-head .eyebrow::before { display: none; }

/* Planets */
.planets-container {
  position: absolute;
  inset: 0;
  z-index: 4;
}
.planet {
  position: absolute;
  border-radius: 50%;
  overflow: visible;
  cursor: pointer;
  transition:
    width 1.1s cubic-bezier(0.4, 0, 0.2, 1),
    height 1.1s cubic-bezier(0.4, 0, 0.2, 1),
    left 1.1s cubic-bezier(0.4, 0, 0.2, 1),
    top 1.1s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 1.1s cubic-bezier(0.4, 0, 0.2, 1),
    filter 1.1s cubic-bezier(0.4, 0, 0.2, 1);
}
.planet img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  position: relative;
  z-index: 2;
  animation: dept-planet-rotate 90s linear infinite;
}
@keyframes dept-planet-rotate {
  from { transform: rotate(0deg) scale(1.04); }
  to   { transform: rotate(360deg) scale(1.04); }
}
.planet-glow {
  position: absolute;
  inset: -22%;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 1.1s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 1.1s var(--ease);
}
.planet.is-active { z-index: 3; }

/* Glass info panel */
.glass-panel {
  position: absolute;
  top: 27%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  text-align: center;
  padding: 18px 30px;
  border-radius: 20px;
  background: rgba(8, 10, 18, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  box-shadow:
    0 18px 36px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), filter 0.4s var(--ease);
  max-width: min(88vw, 520px);
}.glass-panel.swapping { opacity: 0; transform: translateX(-50%) translateY(12px); filter: blur(5px); }
.glass-kicker {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  transition: color 0.5s var(--ease);
}
.glass-title {
  font-size: clamp(1.7rem, 4.4vw, 3rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.glass-subtitle {
  margin-top: 10px;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.glass-name {
  margin-top: 10px;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #fff;
}
.glass-desc {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 56ch;
}
/* Nav arrows */
.nav-arrow {
  position: absolute;
  top: 52%;
  transform: translateY(-50%);
  z-index: 7;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-arrow.prev { left: max(20px, 3vw); }
.nav-arrow.next { right: max(20px, 3vw); }
.nav-arrow:hover {
  background: var(--glass-bg-strong);
  border-color: var(--accent);
  box-shadow: 0 0 22px var(--accent-glow);
  transform: translateY(-50%) scale(1.06);
}
.nav-arrow:active { transform: translateY(-50%) scale(0.96); }
.nav-arrow svg {
  width: 22px; height: 22px;
  stroke: rgba(255, 255, 255, 0.85);
  fill: none; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

/* Dot rail + indicator */
.dept-controls {
  position: absolute;
  bottom: 34px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 7;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.dept-dots { display: flex; gap: 12px; }
.dept-dots button {
  width: 9px; height: 9px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  cursor: pointer;
  transition: all 0.4s var(--ease);
}
.dept-dots button:hover { border-color: #fff; transform: scale(1.2); }
.dept-dots button.active {
  width: 28px;
  border-radius: 999px;
  border-color: transparent;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
}
.indicator {
  font-variant-numeric: tabular-nums;
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  color: var(--text-dim);
}

/* ---------------------------------------------------------------------
   DETAIL SECTION
   --------------------------------------------------------------------- */
.dept-detail-section { padding-top: 96px; padding-bottom: 40px; }
.section { padding: 96px 0; position: relative; }

.detail-head { max-width: 620px; margin: 0 auto 48px; text-align: center; }
.detail-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.12;
  margin: 16px 0 14px;
}
.detail-head h2 b { font-weight: 600; color: var(--text); }
.detail-head p { color: var(--text-muted); font-size: 1rem; }

.detail-card {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  border-radius: 26px;
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 var(--glass-highlight),
    0 0 0 1px var(--accent-glow) inset;
  transition: box-shadow 0.7s var(--ease);
}
/* Accent border-glow that tracks the active department */
.detail-card-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    radial-gradient(600px 220px at 8% -10%, var(--accent-glow), transparent 60%),
    radial-gradient(520px 220px at 100% 120%, var(--accent-glow), transparent 62%);
  opacity: 0.28;
  transition: background 0.7s var(--ease);
}
.detail-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.9;
  transition: background 0.7s var(--ease);
}
.detail-card-inner {
  position: relative;
  z-index: 1;
  padding: 44px 48px 46px;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.detail-card-inner.swapping { opacity: 0; transform: translateY(10px); }

.detail-top { display: flex; align-items: center; gap: 16px; margin-bottom: 6px; }
.detail-index {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
  transition: color 0.7s var(--ease);
}
.detail-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.detail-name {
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: 16px;
}
.detail-desc {
  color: var(--text-muted);
  font-size: 1.04rem;
  line-height: 1.7;
  max-width: 62ch;
  margin-bottom: 26px;
}
.detail-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.detail-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease), transform 0.3s var(--ease);
}
.detail-chip::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}
.detail-chip:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.09);
}

/* ---------------------------------------------------------------------
   CLOSING STRIP
   --------------------------------------------------------------------- */
.closing-strip { padding-top: 40px; }
.closing-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: 56px 40px;
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(56,189,248,0.06), rgba(249,115,22,0.05));
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), inset 0 1px 0 var(--glass-highlight);
  overflow: hidden;
}
.closing-inner .eyebrow { justify-content: center; }
.closing-inner .eyebrow::before { display: none; }
.closing-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 600;
  line-height: 1.12;
  margin: 16px 0 12px;
}
.closing-inner h2 b { color: var(--amber-soft); font-weight: 600; }
.closing-inner p { color: var(--text-muted); margin-bottom: 30px; }
.closing-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------------------
   RESPONSIVE
   --------------------------------------------------------------------- */
@media (max-width: 760px) {
  .dept-hero { min-height: 560px; }
  .dept-hero-head { top: 104px; }
  .glass-panel {
    padding: 14px 22px;
    top: 24%;
    max-width: min(94vw, 480px);
  }
  .glass-title { white-space: normal; }
  .nav-arrow { width: 46px; height: 46px; }
  .nav-arrow.prev { left: 14px; }
  .nav-arrow.next { right: 14px; }
  .detail-card-inner { padding: 34px 26px 36px; }
  .detail-desc { font-size: 0.98rem; }
  .dept-detail-section { padding-top: 72px; }
  .section { padding: 72px 0; }
  .closing-inner { padding: 44px 24px; }
  .glass-kicker { font-size: 0.75rem; }
  .glass-name { font-size: 1.4rem; }
}
@media (max-width: 460px) {
  .glass-kicker { letter-spacing: 0.24em; }
  .detail-top { flex-wrap: wrap; gap: 10px; }
}