/* ============================================================
   ZENITH MOTORWORKS — Subpages, 3D Configurator & Performance HUD
   Recolored to Haute Horlogerie Dark Luxury: Obsidian Onyx, 
   Brushed Champagne Gold (#d4af37) & Liquid Titanium.
   ============================================================ */

/* Page View Containers */
.page-view {
  display: none;
  opacity: 0;
  min-height: 100vh;
  width: 100%;
  background: #06070a;
  padding-top: 11vh;
  padding-bottom: 8vh;
  transition: opacity 0.4s var(--ease-out-expo);
}

.page-view.active {
  display: block;
  opacity: 1;
}

/* Common Page Container */
.page-container {
  width: 90%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 2rem 0;
}

/* Page Header */
.page-header {
  margin-bottom: 3.5rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  padding-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.page-kicker {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
  margin-bottom: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 700;
  color: #f8fafc;
  line-height: 1.15;
  letter-spacing: 0.04em;
}

.page-subtitle {
  font-size: clamp(0.85rem, 0.95vw, 1.1rem);
  color: #cbd5e1;
  max-width: 560px;
  line-height: 1.6;
  margin-top: 0.6rem;
}

.page-header-actions {
  display: flex;
  gap: 1rem;
}


/* ============================================================
   1. ATELIER 3D CONFIGURATOR STUDIO
   ============================================================ */
.configurator-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  min-height: 75vh;
}

.viewport-3d-card {
  position: relative;
  background: radial-gradient(circle at center, #111522 0%, #06070a 100%);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(212, 175, 55, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

#canvas3D {
  width: 100%;
  height: 100%;
  min-height: 520px;
  display: block;
  cursor: grab;
}

#canvas3D:active {
  cursor: grabbing;
}

/* 3D Viewport Controls & Overlays */
.viewport-overlay-top {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.viewport-badge {
  background: rgba(11, 14, 20, 0.8);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 100px;
  padding: 0.45rem 1rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  backdrop-filter: blur(12px);
}

.camera-angles-pill {
  pointer-events: auto;
  display: flex;
  gap: 0.4rem;
  background: rgba(11, 14, 20, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  padding: 0.35rem;
  backdrop-filter: blur(12px);
}

.cam-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #94a3b8;
  padding: 0.38rem 0.8rem;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cam-btn.active, .cam-btn:hover {
  background: var(--accent-gold);
  color: #000000;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.viewport-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 12, 18, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  padding: 0.38rem 1.2rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: #94a3b8;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

/* Configurator Controls Sidebar */
.configurator-controls {
  background: linear-gradient(145deg, rgba(16, 20, 30, 0.92) 0%, rgba(8, 10, 15, 0.98) 100%);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  max-height: 75vh;
  overflow-y: auto;
}

.control-section {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.control-heading {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.control-heading-val {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: #f8fafc;
  font-weight: 600;
}

/* Paint Swatches */
.swatches-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
}

.swatch-btn {
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.swatch-btn:hover {
  transform: scale(1.15);
}

.swatch-btn.active {
  border-color: #ffffff;
  transform: scale(1.15);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.swatch-btn.active::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

/* Toggle Option Pills */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.option-btn {
  background: rgba(14, 18, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0.8rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #cbd5e1;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.option-btn:hover {
  border-color: rgba(212, 175, 55, 0.4);
  color: #ffffff;
}

.option-btn.active {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.15);
}

/* Config Summary & Price */
.config-summary-card {
  background: rgba(8, 10, 15, 0.9);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 12px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.config-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.6rem;
  margin-top: 0.3rem;
}

.config-price-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: #94a3b8;
}

.config-price-val {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-gold);
}


/* ============================================================
   2. PERFORMANCE & DYNO / CFD SIMULATOR
   ============================================================ */
.performance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.perf-card {
  background: linear-gradient(145deg, rgba(16, 20, 30, 0.85) 0%, rgba(8, 10, 15, 0.96) 100%);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 20px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.perf-card--full {
  grid-column: 1 / -1;
}

.perf-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.perf-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #f8fafc;
}

.perf-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
}

/* Dyno Canvas & Gauges */
.dyno-visual-wrap {
  position: relative;
  width: 100%;
  height: 260px;
  background: #040508;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 14px;
  overflow: hidden;
}

#dynoCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.telemetry-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric-box {
  background: rgba(12, 15, 22, 0.9);
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: 12px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.metric-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #94a3b8;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.metric-unit {
  font-size: 0.75rem;
  color: #cbd5e1;
  font-weight: 400;
  margin-left: 2px;
}

/* Throttle Slider */
.throttle-control-box {
  background: rgba(12, 16, 24, 0.85);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 14px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.throttle-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #f8fafc;
}

.throttle-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
  cursor: pointer;
  accent-color: var(--accent-gold);
}

/* Wind Tunnel 3D Canvas */
.wind-tunnel-wrap {
  position: relative;
  width: 100%;
  height: 320px;
  background: radial-gradient(circle at center, #0e121c 0%, #040508 100%);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 14px;
  overflow: hidden;
}

#windTunnelCanvas {
  width: 100%;
  height: 100%;
  display: block;
}


/* ============================================================
   3. SERVICES DIVISION 3D TILT CARDS
   ============================================================ */
.services-deck {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.service-card-3d {
  background: linear-gradient(145deg, rgba(17, 21, 31, 0.85) 0%, rgba(8, 10, 15, 0.96) 100%);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 20px;
  padding: 2.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.8rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s var(--ease-out-expo), border-color 0.3s ease;
}

.service-card-3d:hover {
  transform: translateY(-6px);
  border-color: var(--accent-gold);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(212, 175, 55, 0.2);
}

.service-card-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(212, 175, 55, 0.2);
  line-height: 1;
}

.service-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 0.6rem;
}

.service-card-body p {
  font-size: 0.88rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.service-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.service-checklist li {
  font-size: 0.82rem;
  color: #e2e8f0;
  position: relative;
  padding-left: 1.4rem;
}

.service-checklist li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--accent-gold);
}

.service-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.4rem;
}


/* ============================================================
   4. EDITORIAL JOURNAL ARTICLES
   ============================================================ */
.journal-hero-article {
  background: linear-gradient(135deg, rgba(18, 22, 34, 0.9) 0%, rgba(7, 9, 14, 0.98) 100%);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

.journal-hero-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.journal-hero-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #f8fafc;
  line-height: 1.2;
}

.journal-hero-excerpt {
  font-size: 1rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.journal-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.journal-card {
  background: linear-gradient(145deg, rgba(16, 20, 30, 0.8) 0%, rgba(8, 10, 15, 0.95) 100%);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
}

.journal-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(212, 175, 55, 0.15);
}


/* ============================================================
   5. RESPONSIVE MEDIA QUERIES (PAGES)
   ============================================================ */
@media (max-width: 1024px) {
  .configurator-layout {
    grid-template-columns: 1fr;
  }
  .performance-grid {
    grid-template-columns: 1fr;
  }
  .telemetry-metrics-row {
    grid-template-columns: 1fr 1fr;
  }
  .services-deck {
    grid-template-columns: 1fr;
  }
  .journal-hero-article {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
  .journal-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .page-title {
    font-size: 1.8rem;
  }
  .telemetry-metrics-row {
    grid-template-columns: 1fr;
  }
  .swatches-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .service-card-3d {
    padding: 1.5rem;
  }
}