/* ============================================================
   NEXUS X-1 — Three.js WebGL 3D Motion Graphics Theme
   Paleta: Obsidian Space (#07080A), Titanium Silver (#E2E8F0), Ice Cyan (#38BDF8), Laser Amber (#F59E0B)
   ============================================================ */

:root {
  --bg-deep: #07080A;
  --panel-bg: rgba(12, 14, 20, 0.78);
  --panel-border: rgba(255, 255, 255, 0.1);
  --panel-border-glow: rgba(56, 189, 248, 0.35);

  --text-white: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --accent-cyan: #38BDF8;
  --accent-amber: #F59E0B;
  --accent-emerald: #10B981;

  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-code: 'Fira Code', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--bg-deep);
  color: var(--text-white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body.three-theme {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

/* ============================================================
   1. ESCENARIO 3D WEBGL FIJO (PINNED VIEWPORT)
   ============================================================ */
.webgl-stage {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: auto; /* Permite arrastrar el 3D con el mouse */
  overflow: hidden;
}

#three-canvas {
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}

/* Retícula HUD sobre el lienzo 3D */
.hud-frame-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  padding: 2rem;
}

.hud-bracket {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hud-bracket.top-left { top: 2rem; left: 2rem; border-right: none; border-bottom: none; }
.hud-bracket.top-right { top: 2rem; right: 2rem; border-left: none; border-bottom: none; }
.hud-bracket.bottom-left { bottom: 2rem; left: 2rem; border-right: none; border-top: none; }
.hud-bracket.bottom-right { bottom: 2rem; right: 2rem; border-left: none; border-top: none; }

.hud-telemetry-corner {
  position: absolute;
  top: 5.5rem;
  right: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: right;
  font-family: var(--font-code);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.hud-tag {
  color: var(--accent-cyan);
  font-weight: 600;
  letter-spacing: 0.1em;
}

.hud-camera-dock {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(12, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  padding: 6px 12px;
  border-radius: 6px;
}

.dock-label {
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-right: 0.4rem;
}

.btn-cam, .btn-mode-toggle {
  font-family: var(--font-code);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-cam:hover, .btn-mode-toggle:hover {
  color: #FFF;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-cam.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.btn-mode-toggle {
  border-left: 1px solid var(--panel-border);
  margin-left: 0.4rem;
  padding-left: 0.8rem;
  color: var(--accent-amber);
}

.hud-drag-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-code);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================================
   2. CABECERA
   ============================================================ */
.studio-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  padding: 1.2rem 2.5rem;
  background: rgba(7, 8, 10, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--panel-border);
}

.nav-inner {
  max-width: 1680px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-chip {
  font-family: var(--font-code);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  background: var(--accent-cyan);
  color: #000;
  border-radius: 3px;
}

.brand-main {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: block;
}

.brand-sub {
  font-family: var(--font-code);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.stage-nav-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  font-family: var(--font-code);
  font-size: 0.75rem;
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-back-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-back-link:hover {
  color: #FFF;
}

.btn-order-nav {
  font-family: var(--font-code);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.55rem 1.25rem;
  background: #FFF;
  color: #000;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.btn-order-nav:hover {
  background: var(--accent-cyan);
}

/* ============================================================
   3. SCROLLYTELLING POR ETAPAS (EDITORIAL PANELS)
   ============================================================ */
.scrolly-flow {
  position: relative;
  z-index: 10;
  pointer-events: none; /* Permite interactuar con el 3D detrás salvo sobre el panel */
}

.stage-scroll-section {
  min-height: 120vh;
  display: flex;
  align-items: center;
  padding: 6rem 3rem;
  max-width: 1680px;
  margin: 0 auto;
}

.editorial-panel {
  pointer-events: auto; /* Activa clicks y texto sobre las tarjetas */
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 3rem;
  max-width: 540px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 1px rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  transition: border-color 0.4s ease, transform 0.4s ease;
}

.editorial-panel:hover {
  border-color: var(--panel-border-glow);
}

.step-num {
  font-family: var(--font-code);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
  font-weight: 600;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
}

.step-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.step-desc strong {
  color: #FFF;
}

.step-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--panel-border);
  padding-top: 1.4rem;
  margin-top: 0.5rem;
}

.spec-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sc-label {
  font-family: var(--font-code);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.sc-val {
  font-family: var(--font-code);
  font-size: 0.85rem;
  font-weight: 600;
  color: #FFF;
}

.scroll-action-prompt {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  margin-top: 0.8rem;
}

.scroll-mouse-anim {
  width: 14px;
  height: 22px;
  border: 1.5px solid var(--accent-cyan);
  border-radius: 999px;
  position: relative;
}

.scroll-mouse-anim::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 5px;
  width: 2px;
  height: 5px;
  background: var(--accent-cyan);
  border-radius: 1px;
  animation: mouseWheel 1.6s infinite;
}

@keyframes mouseWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

.step-cta-group {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-step-order {
  padding: 0.9rem 1.6rem;
  background: var(--accent-cyan);
  color: #000;
  font-family: var(--font-code);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.btn-step-order:hover {
  background: #FFF;
}

.btn-step-reopen {
  padding: 0.9rem 1.4rem;
  border: 1px solid var(--panel-border);
  color: #FFF;
  font-family: var(--font-code);
  font-size: 0.8rem;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.btn-step-reopen:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

/* ============================================================
   4. ESPECIFICACIONES DE HARDWARE (SPECS MATRIX)
   ============================================================ */
.specs-matrix-section {
  position: relative;
  z-index: 10;
  padding: 8rem 2.5rem;
  background: rgba(7, 8, 10, 0.95);
  border-top: 1px solid var(--panel-border);
}

.specs-container {
  max-width: 1400px;
  margin: 0 auto;
}

.specs-header {
  margin-bottom: 4rem;
}

.section-kicker {
  font-family: var(--font-code);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 0.6rem;
}

.specs-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3.8rem);
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.specs-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 680px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.spec-card {
  background: #0C0E14;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.3s ease;
}

.spec-card:hover {
  border-color: var(--panel-border-glow);
}

.sp-num {
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: var(--accent-cyan);
}

.spec-card h3 {
  font-size: 1.35rem;
  font-family: var(--font-display);
}

.spec-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.sp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-code);
  font-size: 0.68rem;
  color: var(--text-muted);
  border-top: 1px solid var(--panel-border);
  padding-top: 1rem;
  margin-top: auto;
}

/* ============================================================
   5. FORMULARIO DE RESERVA VIP
   ============================================================ */
.order-section {
  position: relative;
  z-index: 10;
  padding: 6rem 2.5rem;
  background: rgba(7, 8, 10, 0.98);
  border-top: 1px solid var(--panel-border);
}

.order-container {
  max-width: 1400px;
  margin: 0 auto;
}

.order-box {
  background: #0C0E14;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 4.5rem;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
}

.order-badge {
  font-family: var(--font-code);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  padding: 3px 8px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: inline-block;
  margin-bottom: 1rem;
}

.order-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  margin-bottom: 1rem;
}

.order-p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.order-badges-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  border-top: 1px solid var(--panel-border);
  padding-top: 1.8rem;
  font-family: var(--font-code);
  font-size: 0.78rem;
}

.order-badges-list strong {
  color: #FFF;
}

.order-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.f-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.f-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.f-field label {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.f-field input, .f-field select {
  background: #07080A;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 0.9rem 1rem;
  color: #FFF;
  font-family: var(--font-code);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.f-field input:focus, .f-field select:focus {
  border-color: var(--accent-cyan);
}

.btn-submit-order {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.8rem;
  background: #FFF;
  color: #000;
  font-family: var(--font-code);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 3px;
  transition: all 0.2s ease;
  margin-top: 1rem;
}

.btn-submit-order:hover {
  background: var(--accent-cyan);
}

.order-feedback {
  font-family: var(--font-code);
  font-size: 0.85rem;
  padding: 0.8rem;
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  display: none;
}

/* ============================================================
   6. FOOTER 3D
   ============================================================ */
.studio-footer {
  position: relative;
  z-index: 10;
  padding: 4rem 2.5rem;
  background: #040507;
  border-top: 1px solid var(--panel-border);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.f-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.3rem;
}

.f-left p {
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 380px;
}

.f-right {
  display: flex;
  gap: 2rem;
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.f-right a:hover {
  color: var(--accent-cyan);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 1100px) {
  .specs-grid { grid-template-columns: repeat(2, 1fr); }
  .order-box { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
  .hud-camera-dock { display: none; }
  .hud-telemetry-corner { display: none; }
  .editorial-panel { padding: 2rem; max-width: 100%; }
  .stage-scroll-section { padding: 5rem 1.5rem; min-height: 100vh; }
  .specs-grid { grid-template-columns: 1fr; }
  .f-row { grid-template-columns: 1fr; }
  .order-box { padding: 2rem 1.5rem; }
  .footer-inner { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
}