/* ============================================
   MOB1S — Carbon Telemetry Design System
   F1 dashboard × telemetry data × carbon fiber
   ============================================ */

/* --- CSS Variables --- */
:root {
  --carbon: #0a0a0c;
  --carbon-light: #111115;
  --carbon-card: #14141a;
  --neon: #bfff00;
  --neon-dim: rgba(191, 255, 0, 0.12);
  --neon-glow: rgba(191, 255, 0, 0.35);
  --neon-ghost: rgba(191, 255, 0, 0.06);
  --amber: #ff8c00;
  --amber-dim: rgba(255, 140, 0, 0.2);
  --titanium: #a0a0aa;
  --titanium-dim: #5a5a66;
  --white: #e8e8ec;
  --white-dim: #90909a;
  --border-hairline: rgba(255, 255, 255, 0.05);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(191, 255, 0, 0.25);
  --font-display: 'Orbitron', system-ui, sans-serif;
  --font-mono: 'Space Mono', 'Consolas', monospace;
}

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

html {
  scroll-behavior: smooth;
  background: var(--carbon);
}

body {
  font-family: var(--font-mono);
  background: var(--carbon);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Carbon Fiber Overlay --- */
.carbon-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.06;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.008) 2px,
      rgba(255,255,255,0.008) 4px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.004) 40px,
      rgba(255,255,255,0.004) 41px
    ),
    radial-gradient(ellipse at 50% 0%, rgba(191,255,0,0.03) 0%, transparent 60%);
}

/* --- Telemetry Grid --- */
.telemetry-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.04;
  background:
    linear-gradient(90deg, var(--white) 1px, transparent 1px),
    linear-gradient(0deg, var(--white) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 40%, transparent 75%);
}

/* --- Canvas Layer --- */
#particle-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
}

/* --- Dual-Layer Mask Reveal System --- */

/* Bottom layer: Paper + Ink theme, revealed through mask hole */
.layer-bottom {
  --carbon: #f5f5f0;
  --carbon-light: #ffffff;
  --carbon-card: #ffffff;
  --neon: #ff2d2d;
  --neon-dim: rgba(255, 45, 45, 0.12);
  --neon-glow: rgba(255, 45, 45, 0.3);
  --neon-ghost: rgba(255, 45, 45, 0.05);
  --amber: #e67e00;
  --amber-dim: rgba(230, 126, 0, 0.2);
  --titanium: #666666;
  --titanium-dim: #999999;
  --white: #1a1a1a;
  --white-dim: #666666;
  --border-hairline: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.12);
  --border-active: rgba(255, 45, 45, 0.25);

  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #f5f5f0;
  color: #1a1a1a;
}

.layer-bottom-inner {
  will-change: transform;
}

/* Bottom layer: deeper Monza track visibility */
.layer-bottom .monza-track path[stroke-width="30"] {
  opacity: 0.4 !important;
}
.layer-bottom .monza-track path[stroke-dasharray] {
  opacity: 0.6 !important;
}

/* Top layer: Carbon + Neon theme, mask applied via JS */
.layer-top {
  position: relative;
  z-index: 1;
  background: var(--carbon);
}

/* =============================================
   TOP TELEMETRY BAR
   ============================================= */
.telemetry-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.5rem;
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.tel-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.tel-label {
  color: var(--titanium-dim);
  font-weight: 700;
  font-size: 0.6rem;
}

.tel-value {
  color: var(--white);
  font-weight: 700;
  font-size: 0.7rem;
}

.tel-active {
  color: var(--neon);
  animation: telPulse 2s ease-in-out infinite;
}

@keyframes telPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.tel-brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--white);
}

.brand-accent { color: var(--neon); }

/* =============================================
   VERTICAL NAVIGATION
   ============================================= */
.nav-vertical {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: flex-end;
}

.nav-dot {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  position: relative;
  padding: 0.3rem 0;
}

.dot-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--titanium-dim);
  transition: color 0.35s;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.35s, transform 0.35s, color 0.35s;
}

.nav-dot:hover .dot-label,
.nav-dot.active .dot-label {
  opacity: 1;
  transform: translateX(0);
}

.nav-dot.active .dot-label {
  color: var(--neon);
}

.nav-dot::after {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--titanium-dim);
  transition: background 0.35s, box-shadow 0.35s, transform 0.35s;
  flex-shrink: 0;
}

.nav-dot:hover::after,
.nav-dot.active::after {
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon-glow);
  transform: scale(1.4);
}

.dot-pulse {
  position: absolute;
  right: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  border: 1px solid var(--neon);
  animation: dotRing 2s ease-out infinite;
  opacity: 0;
}

.nav-dot.active .dot-pulse {
  opacity: 1;
}

@keyframes dotRing {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(3.5); opacity: 0; }
}

/* =============================================
   SECTION BASE
   ============================================= */
.sections-container {
  position: relative;
  z-index: 2;
}

.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
}

.section-content {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 6rem 2.5rem;
}

.section-header {
  margin-bottom: 4rem;
  position: relative;
}

.section-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--neon);
  margin-bottom: 0.5rem;
}

.section-title-link {
  text-decoration: none;
  display: inline-block;
  position: relative;
  color: var(--white);
}

.section-title-link::after {
  content: '\2192';
  font-family: var(--font-mono);
  font-size: 0.6em;
  color: var(--neon);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.35s, transform 0.35s;
  vertical-align: middle;
  margin-left: 0.5rem;
}

.section-title-link:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.section-title-link:hover .section-title {
  text-shadow: 0 0 30px var(--neon-glow);
}

.section-title-link .section-title {
  transition: text-shadow 0.35s;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.title-accent { color: var(--neon); }

.header-ruler {
  width: 60px;
  height: 2px;
  background: var(--neon);
  margin-top: 1rem;
  position: relative;
}

.header-ruler::after {
  content: '';
  position: absolute;
  left: 70px;
  top: 0;
  width: calc(100% - 70px);
  height: 1px;
  background: var(--border-hairline);
}

/* =============================================
   HERO SECTION
   ============================================= */

/* Monza circuit background */
.monza-track {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 75%;
  height: 75%;
  z-index: 0;
  pointer-events: none;
}

/* Telemetry HUD corners */
.hud-corner {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.hud-tl {
  top: 1.2rem;
  left: 2rem;
}


.hud-label {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--titanium-dim);
}

.hud-value {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--neon);
}

/* Lucky number */
.lucky-number {
  position: absolute;
  bottom: 1.2rem;
  left: 2rem;
  z-index: 3;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--neon);
  opacity: 0.85;
  pointer-events: none;
  text-shadow: 0 0 20px var(--neon-glow), 0 0 60px var(--neon-dim);
  letter-spacing: 0.02em;
  line-height: 1;
}

/* Checkered flag corner */
.checkered-flag {
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  z-index: 3;
  background: repeating-conic-gradient(var(--neon) 0% 25%, transparent 0% 50%) 50% / 14px 14px;
  opacity: 0.85;
  pointer-events: none;
  mask-image: linear-gradient(135deg, black 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(135deg, black 30%, transparent 100%);
}

/* --- Track Easter Egg --- */
.monza-track {
  pointer-events: none;
  z-index: 1;
}
.hero-section .monza-track .track-detect {
  pointer-events: stroke;
  cursor: crosshair;
}
.hero-inner {
  position: relative;
  z-index: 2;
  pointer-events: none;
}
.track-egg-hint {
  position: absolute;
  bottom: 18%;
  right: 10%;
  z-index: 4;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--neon);
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 0.8s ease;
}
.track-egg-hint.faded {
  opacity: 0;
}
.track-egg-dots {
  position: absolute;
  bottom: 14%;
  right: 10%;
  z-index: 4;
  display: flex;
  gap: 6px;
  pointer-events: none;
}
.track-egg-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-subtle);
  border: 1px solid var(--border-hairline);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.track-egg-dot.hit {
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 6px var(--neon-glow), 0 0 12px var(--neon-dim);
}
.track-egg-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.track-egg-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.track-egg-modal {
  position: relative;
  width: 380px;
  max-width: 90vw;
  padding: 2.5rem 2rem 2rem;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 2px, rgba(255,255,255,0.015) 2px, rgba(255,255,255,0.015) 4px),
    #0a0a0c;
  border: 2px solid var(--neon);
  border-radius: 4px;
  box-shadow: 0 0 20px var(--neon-dim), 0 0 60px rgba(191, 255, 0, 0.08), inset 0 0 30px rgba(0,0,0,0.5);
  text-align: center;
  transform: scale(0.85);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.track-egg-modal-overlay.active .track-egg-modal {
  transform: scale(1);
}
.track-egg-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--titanium-dim);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.track-egg-modal-close:hover {
  color: var(--neon);
}
.track-egg-modal h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--neon);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  text-shadow: 0 0 10px var(--neon-glow);
}
.track-egg-modal p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--titanium);
}
.track-egg-modal .egg-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

/* Hide easter egg UI in bottom layer */
.layer-bottom .track-egg-modal-overlay,
.layer-bottom .track-egg-dots,
.layer-bottom .track-egg-hint {
  display: none;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-knockout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.eyebrow-line {
  width: 30px;
  height: 1px;
  background: var(--titanium-dim);
}

.eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  color: var(--titanium);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.title-block {
  display: block;
  color: var(--white);
  text-shadow: 0 0 120px var(--neon-ghost);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  color: var(--white-dim);
  max-width: 520px;
}

.sub-prefix {
  color: var(--neon);
  margin-right: 0.3em;
}


.trace-glow {
  fill: none;
  stroke: var(--neon);
  stroke-width: 2;
  opacity: 0.6;
  filter: drop-shadow(0 0 6px var(--neon-glow));
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.about-intro {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.intro-knockout {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
}

.inline-accent {
  color: var(--neon);
}

.intro-body {
  font-size: 0.82rem;
  color: var(--white-dim);
  line-height: 1.85;
}

/* Telemetry card */
.about-telemetry {
  display: flex;
  justify-content: center;
}

.tel-card {
  width: 100%;
  max-width: 380px;
  background: var(--carbon-card);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
}

.tel-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  background: rgba(0,0,0,0.4);
  border-bottom: 1px solid var(--border-hairline);
}

.tel-card-id {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--titanium-dim);
}

.tel-card-status {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--neon);
  border: 1px solid var(--neon-dim);
  padding: 0.15rem 0.5rem;
  border-radius: 1px;
}

.tel-card-body {
  padding: 2rem 1.5rem;
}

.tel-big-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  text-align: center;
  margin-bottom: 1.5rem;
}

.tel-big-number .unit {
  color: var(--neon);
  font-size: 1.5rem;
  margin-left: 0.3rem;
}

.tel-bars {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.tel-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.bar-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--titanium-dim);
  width: 48px;
  flex-shrink: 0;
}

.bar-fill {
  height: 4px;
  background: var(--neon);
  border-radius: 2px;
  transition: width 1.2s ease;
  flex: 1;
  box-shadow: 0 0 8px var(--neon-glow);
}

.bar-fill.bar-low {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber-dim);
}

.bar-val {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--white);
  width: 32px;
  text-align: right;
}

/* =============================================
   HOBBIES SECTION
   ============================================= */
.hobbies-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hobby-panel {
  border-top: 1px solid var(--border-hairline);
  padding: 2.5rem 0;
  transition: background 0.4s;
}

.hobby-panel:last-of-type {
  border-bottom: 1px solid var(--border-hairline);
}

.hobby-panel:hover {
  background: var(--neon-ghost);
}

.panel-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.panel-code {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--neon);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--neon-dim);
  border-radius: 1px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--white);
}

.panel-title-link {
  text-decoration: none;
  display: inline-block;
  transition: color 0.3s, text-shadow 0.3s;
}

.panel-title-link:hover .panel-title {
  color: var(--neon);
  text-shadow: 0 0 20px var(--neon-glow);
}

.panel-title-link .title-accent {
  transition: color 0.3s;
}

.panel-title-link:hover .title-accent {
  color: var(--white);
}

.panel-frequency {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--amber);
  margin-left: auto;
  border: 1px solid var(--amber-dim);
  padding: 0.15rem 0.5rem;
  border-radius: 1px;
}

.panel-desc {
  font-size: 0.82rem;
  color: var(--white-dim);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  max-width: 600px;
}

.panel-drivers {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.driver-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--carbon-card);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1.2rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
  flex: 1 1 240px;
  min-width: 0;
}

.driver-card:hover {
  border-color: var(--border-active);
  background: rgba(191, 255, 0, 0.03);
  transform: translateY(-2px);
}

.driver-num {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--neon);
  flex-shrink: 0;
  min-width: 32px;
}

.driver-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
  min-width: 0;
}

.driver-name {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.03em;
}

.driver-team {
  font-size: 0.6rem;
  color: var(--titanium-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.driver-arrow {
  font-size: 0.85rem;
  color: var(--titanium-dim);
  transition: color 0.3s, transform 0.3s;
  flex-shrink: 0;
}

.driver-card:hover .driver-arrow {
  color: var(--neon);
  transform: translate(3px, -3px);
}

/* =============================================
   MAP SECTION (SECTOR 03)
   ============================================= */
.map-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.map-stats-card {
  margin-bottom: 1.5rem;
}

.map-stats-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--titanium-dim);
  text-align: center;
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
}

.map-legend {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--white-dim);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-visited {
  background: var(--neon);
  box-shadow: 0 0 6px var(--neon-glow);
}

.legend-unvisited {
  background: var(--titanium-dim);
}

.legend-hover {
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber-dim);
}

.map-container {
  position: relative;
  width: 100%;
  aspect-ratio: 900 / 850;
  background: var(--carbon-card);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
}

/* Hide scrollbar to keep body width equal to viewport width,
   preventing layout desync between the two layers. */
html {
  scrollbar-width: none; /* Firefox */
}
html::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Edge */
}

#chinaMap {
  width: 100%;
  height: auto;
  display: block;
}

.province-path {
  fill: var(--titanium-dim);
  stroke: var(--carbon);
  stroke-width: 0.8;
  cursor: pointer;
  transition: fill 0.3s, filter 0.3s, stroke 0.3s;
  opacity: 0.5;
}

.province-path:hover {
  fill: var(--amber);
  opacity: 1;
  filter: drop-shadow(0 0 4px var(--amber-dim));
  stroke: var(--amber);
  stroke-width: 1.2;
}

.province-path.visited {
  fill: var(--neon);
  opacity: 0.8;
  filter: drop-shadow(0 0 3px var(--neon-dim));
}

.province-path.visited:hover {
  fill: var(--neon);
  opacity: 1;
  filter: drop-shadow(0 0 8px var(--neon-glow));
  stroke: var(--neon);
  stroke-width: 1.5;
}

.nine-dash-line {
  fill: none;
  stroke: rgba(100, 160, 220, 0.5);
  stroke-width: 1;
  stroke-dasharray: 6,3;
  pointer-events: none;
}

.province-dot {
  fill: var(--titanium-dim);
  stroke: var(--white-dim);
  stroke-width: 0.8;
  cursor: pointer;
  opacity: 0.6;
  transition: fill 0.3s, opacity 0.3s, filter 0.3s;
}

.province-dot:hover {
  fill: var(--amber);
  opacity: 1;
  filter: drop-shadow(0 0 4px var(--amber-dim));
}

.province-dot.visited {
  fill: var(--neon);
  opacity: 0.9;
  filter: drop-shadow(0 0 3px var(--neon-dim));
}

.province-dot.visited:hover {
  fill: var(--neon);
  opacity: 1;
  filter: drop-shadow(0 0 8px var(--neon-glow));
}

.island-marker {
  fill: #e94560;
  stroke: rgba(255, 255, 255, 0.6);
  stroke-width: 0.5;
  pointer-events: none;
}

.island-label {
  fill: rgba(136, 153, 170, 0.7);
  font-family: var(--font-mono);
  font-size: 6px;
  pointer-events: none;
}

.inset-box {
  fill: var(--carbon);
  stroke: var(--border-subtle);
  stroke-width: 1;
}

.inset-label {
  fill: var(--titanium-dim);
  font-family: var(--font-mono);
  font-size: 8px;
  text-anchor: middle;
  pointer-events: none;
}

.map-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(10, 10, 12, 0.92);
  border: 1px solid var(--border-active);
  padding: 0.4rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.1em;
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, -120%);
  transition: opacity 0.2s;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.map-tooltip.visible {
  opacity: 1;
}

@media (max-width: 1024px) {
  .map-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .map-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
  }
}

@media (max-width: 768px) {
  .map-stats {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   CHAT SECTION
   ============================================= */
.chat-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.chat-intro {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.chat-tagline {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}

.chat-desc {
  font-size: 0.82rem;
  color: var(--white-dim);
  line-height: 1.8;
}

.chat-profiles-hint {
  font-size: 0.7rem;
  color: var(--neon);
  padding: 0.5rem 1rem;
  border: 1px solid var(--neon-dim);
  border-radius: 2px;
  background: var(--neon-ghost);
  line-height: 1.6;
}

.chat-sysinfo {
  background: var(--carbon-card);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sys-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sys-key {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--titanium-dim);
}

.sys-val {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--white);
}

#sysStatus {
  color: var(--amber);
  animation: statusBlink 1.5s ease-in-out infinite;
}

@keyframes statusBlink {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Chat terminal */
.chat-terminal {
  background: var(--carbon-card);
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 420px;
}

.term-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  background: rgba(0,0,0,0.5);
  border-bottom: 1px solid var(--border-hairline);
}

.term-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.term-dot-red { background: #ff5f56; }
.term-dot-amber { background: #ffbd2e; }
.term-dot-green { background: #27c93f; }

.term-title {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--titanium-dim);
  margin-left: 0.5rem;
}

.term-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.term-body::-webkit-scrollbar { width: 3px; }
.term-body::-webkit-scrollbar-track { background: transparent; }
.term-body::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 2px; }

.term-line {
  display: flex;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--white-dim);
  line-height: 1.6;
}

.term-line.user { color: var(--white); }

.term-prompt {
  color: var(--neon);
  font-weight: 700;
  flex-shrink: 0;
}

.term-line.user .term-prompt {
  color: var(--amber);
}

/* Typing indicator */
.typing-dots {
  animation: typingBlink 1.2s ease-in-out infinite;
}

@keyframes typingBlink {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 0.9; }
}

.term-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border-top: 1px solid var(--border-hairline);
  background: rgba(0,0,0,0.3);
}

.term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0;
}

.term-input::placeholder { color: var(--titanium-dim); }
.term-input:disabled { opacity: 0.4; cursor: not-allowed; }

.term-send-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--titanium-dim);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: all 0.3s;
  border-radius: 1px;
}

.term-send-btn:not(:disabled):hover {
  border-color: var(--neon);
  color: var(--neon);
}

.term-send-btn:disabled { opacity: 0.25; cursor: not-allowed; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border-hairline);
  padding: 1.5rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left,
.footer-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--white);
}

.footer-year {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--titanium-dim);
}

.footer-tag {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--titanium-dim);
  border: 1px solid var(--border-hairline);
  padding: 0.2rem 0.6rem;
  border-radius: 1px;
}

.footer-center {
  display: flex;
  align-items: center;
}

.footer-icp {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--titanium-dim);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.footer-icp:hover {
  color: var(--neon);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .about-layout,
  .chat-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .tel-card { max-width: 100%; }

  .nav-vertical {
    right: 0.5rem;
    gap: 0.9rem;
  }

  .dot-label { display: none; }
}

@media (max-width: 768px) {
  .telemetry-bar { padding: 0.5rem 1rem; }
  .tel-item:nth-child(4),
  .tel-item:first-child { display: none; }

  .hero-title {
    font-size: 3rem;
  }

  .section-content {
    padding: 4rem 1.25rem;
  }

  .panel-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .panel-frequency {
    margin-left: 0;
  }

  .driver-card {
    flex: 1 1 100%;
  }

  .chat-terminal {
    height: 360px;
  }

  .footer {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem;
    text-align: center;
  }

  .footer-left,
  .footer-right {
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
  }

}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .tel-big-number {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .panel-drivers { flex-direction: column; }
}