@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,700;9..144,900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ============================================================
   TOÀN TRANG = HÀNH TRÌNH — FULL JOURNEY SCROLL PAGE
   ============================================================ */
:root {
  --gold: #D4A847;
  --gold-light: #F0D68A;
  --gold-dark: #A87E28;
  --red: #C8102E;
  --red2: #E94560;
  --dark: #050A14;
  --text: #F0EDE8;
  --muted: rgba(240, 237, 232, 0.55);
  --font-h: 'Fraunces', serif;
  --font-b: 'Plus Jakarta Sans', sans-serif;
  --route-color: var(--gold);
  --route-w: 3px;
}

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

html {
  scroll-behavior: auto;
}

/* we handle smoothness in JS */
body {
  font-family: var(--font-b);
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  cursor: none;
}

a, button, input, select, textarea, .mm-stop {
  cursor: none;
}

img {
  display: block;
  max-width: 100%;
}

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

/* ============================================================
   FIXED VEHICLE (follows scroll between city sections)
   ============================================================ */
#vehicle {
  position: fixed;
  left: calc(var(--route-x, 72px) - 18px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  pointer-events: none;
  transition: left 0.5s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#vehicle-body {
  width: 14px;
  height: 14px;
  background: var(--gold-light);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--gold), 0 0 30px var(--gold-light);
  transition: transform 0.4s ease;
  display: block;
}

#vehicle-glow {
  position: absolute;
  width: 60px;
  height: 60px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 168, 71, 0.45) 0%, transparent 70%);
  animation: vehicleGlow 2s ease-in-out infinite alternate;
  pointer-events: none;
}

#vehicle-trail {
  position: absolute;
  top: 50%;
  right: 100%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-light));
  transform-origin: right center;
  border-radius: 1px;
  opacity: 0;
  transition: width 0.3s, opacity 0.3s;
}

#vehicle.in-flight #vehicle-trail {
  width: 50px;
  opacity: 0.7;
}

#vehicle.in-flight #vehicle-body {
  transform: scale(1.3);
}

/* ============================================================
   ROUTE LINE (vertical, runs full page height)
   ============================================================ */
#route-line {
  position: fixed;
  left: var(--route-x, 72px);
  top: 0;
  width: var(--route-w);
  height: 100vh;
  z-index: 50;
  pointer-events: none;
  overflow: hidden;
}

#route-line-bg {
  position: absolute;
  inset: 0;
  background: rgba(212, 168, 71, 0.1);
}

#route-line-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
  box-shadow: 0 0 12px var(--gold), 0 0 24px rgba(212, 168, 71, 0.3);
  transition: height 0.05s linear;
}

/* ============================================================
   FIXED MINIMAP (right side, small progress indicator)
   ============================================================ */
#minimap {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.mm-stop {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.mm-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid rgba(212, 168, 71, 0.4);
  background: transparent;
  transition: all 0.3s;
}

.mm-stop.active .mm-dot,
.mm-stop:hover .mm-dot {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 10px var(--gold);
  transform: scale(1.4);
}

.mm-stop.visited .mm-dot {
  background: rgba(212, 168, 71, 0.5);
  border-color: var(--gold);
}

.mm-line {
  width: 1px;
  height: 32px;
  background: rgba(212, 168, 71, 0.2);
}

.mm-stop.active .mm-line,
.mm-stop.visited .mm-line {
  background: rgba(212, 168, 71, 0.5);
}

.mm-label {
  position: absolute;
  right: 18px;
  white-space: nowrap;
  font-size: 0.7rem;
  color: var(--gold-light);
  opacity: 0;
  transform: translateX(6px);
  transition: all 0.3s;
  pointer-events: none;
  background: rgba(5, 10, 20, 0.8);
  padding: 2px 6px;
  border-radius: 4px;
}

.mm-stop:hover .mm-label {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   FIXED TOP HUD
   ============================================================ */
#hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(5, 10, 20, 0.92) 0%, transparent 100%);
  backdrop-filter: blur(0px);
  transition: backdrop-filter 0.3s;
}

#hud.solid {
  backdrop-filter: blur(16px);
}

.hud-logo-container {
  display: flex;
  flex-direction: column;
}

.hud-logo {
  font-family: var(--font-h);
  font-size: 1.15rem;
  letter-spacing: 1px;
  color: var(--gold);
  font-weight: 800;
  line-height: 1.1;
}

.hud-slogan {
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-top: 2px;
}

.hud-stats {
  display: flex;
  gap: 2rem;
  margin-left: auto;
  margin-right: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.stat-val {
  font-family: var(--font-h);
  font-size: 0.95rem;
  color: var(--gold);
  font-weight: 700;
}

.stat-lbl {
  font-size: 0.58rem;
  text-transform: uppercase;
  color: var(--muted);
}

.hud-progress-bar {
  width: 100%;
  height: 2px;
  background: rgba(212, 168, 71, 0.15);
  position: absolute;
  bottom: 0;
  left: 0;
}

.hud-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  width: 0%;
  box-shadow: 0 0 6px var(--gold);
  transition: width 0.08s linear;
}

.hud-btn {
  background: linear-gradient(135deg, var(--red), var(--red2));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: 20px;
  letter-spacing: 0.5px;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.hud-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.4);
}

/* ============================================================
   INTRO / HERO SECTION
   ============================================================ */
#section-intro {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 60%, #0D1F3C 0%, #050A14 70%);
}

#section-intro .stars {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
  background-size: 120px 120px, 80px 80px, 50px 50px;
  background-position: 0 0, 35px 35px, 20px 60px;
  animation: twinkle 4s ease-in-out infinite alternate;
}

#section-intro .city-silhouette {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(0deg, #050A14 0%, transparent 100%);
  z-index: 1;
}

.intro-content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
}

.intro-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212, 168, 71, 0.1);
  border: 1px solid rgba(212, 168, 71, 0.35);
  padding: 0.4rem 1.2rem;
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--gold-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  backdrop-filter: blur(8px);
}

.intro-title {
  font-family: var(--font-h);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.t-gold {
  background: linear-gradient(to right, var(--gold), #FFF8D6, var(--gold-light), var(--gold));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shineText 4s linear infinite;
}

.intro-desc {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.intro-chips {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.chip {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1.1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.scroll-down-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  animation: floatUpDown 2.5s ease-in-out infinite;
}

.scroll-down-cta .arr {
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   CITY SECTIONS (each destination)
   ============================================================ */
.city-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Fullscreen background image */
.city-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.city-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 0.1s linear;
  /* parallax via JS */
  will-change: transform;
}

.city-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Each city has unique overlay gradient direction */
#section-beijing .city-bg-overlay {
  background: linear-gradient(90deg, rgba(5, 10, 20, 0.95) 0%, rgba(5, 10, 20, 0.7) 40%, rgba(5, 10, 20, 0.2) 100%);
}

#section-hangzhou .city-bg-overlay {
  background: linear-gradient(270deg, rgba(5, 10, 20, 0.95) 0%, rgba(5, 10, 20, 0.7) 40%, rgba(5, 10, 20, 0.2) 100%);
}

#section-wuzhen .city-bg-overlay {
  background: linear-gradient(90deg, rgba(5, 10, 20, 0.95) 0%, rgba(5, 10, 20, 0.7) 40%, rgba(5, 10, 20, 0.2) 100%);
}

#section-shanghai .city-bg-overlay {
  background: linear-gradient(270deg, rgba(5, 10, 20, 0.95) 0%, rgba(5, 10, 20, 0.7) 40%, rgba(5, 10, 20, 0.2) 100%);
}

/* Route dot on the route line */
.route-stop {
  position: absolute;
  left: var(--route-x, 72px);
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 60;
}

.route-stop-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--dark);
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 0 rgba(212, 168, 71, 0.3);
  transition: box-shadow 0.5s, transform 0.5s;
  position: relative;
  z-index: 2;
}

.route-stop-dot.active {
  background: var(--gold);
  transform: scale(1.5);
  box-shadow: 0 0 0 8px rgba(212, 168, 71, 0.15), 0 0 30px rgba(212, 168, 71, 0.4);
  animation: dotPulse 1.5s ease-in-out infinite;
}

.route-connector {
  position: absolute;
  left: var(--route-x, 72px);
  width: var(--route-w);
  background: linear-gradient(180deg, var(--gold) 0%, transparent 100%);
  z-index: 55;
  transform: translateX(-50%);
}

/* City content container */
.city-content {
  position: relative;
  z-index: 10;
  width: 100%;
  padding: 100px 0;
}

.city-inner {
  max-width: 620px;
  padding: 0 2rem 0 calc(var(--route-x, 72px) + 60px);
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.city-inner.right {
  padding: 0 calc(100% - var(--route-x, 72px) - 60px - 620px) 0 auto;
  margin-left: auto;
  transform: translateX(40px);
}

.city-inner.visible {
  opacity: 1 !important;
  transform: translateX(0) !important;
}

.city-day-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--red), var(--red2));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  margin-bottom: 0.8rem;
}

.city-vehicle-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(212, 168, 71, 0.1);
  border: 1px solid rgba(212, 168, 71, 0.3);
  padding: 0.28rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--gold-light);
  margin-bottom: 1.2rem;
  margin-left: 0.5rem;
}

.city-name {
  font-family: var(--font-h);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 0.5rem;
}

.city-name-cn {
  font-family: var(--font-h);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--gold);
  margin-bottom: 1.5rem;
  font-style: italic;
  opacity: 0.8;
}

.city-desc {
  font-size: 0.97rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.city-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.city-inner .city-hl-item {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.city-inner.visible .city-hl-item {
  opacity: 1;
  transform: translateY(0);
}

.city-inner.visible .city-hl-item:nth-child(1) { transition-delay: 0.1s; }
.city-inner.visible .city-hl-item:nth-child(2) { transition-delay: 0.2s; }
.city-inner.visible .city-hl-item:nth-child(3) { transition-delay: 0.3s; }
.city-inner.visible .city-hl-item:nth-child(4) { transition-delay: 0.4s; }
.city-inner.visible .city-hl-item:nth-child(5) { transition-delay: 0.5s; }

.city-hl-item {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: rgba(5, 10, 20, 0.55);
  border: 1px solid rgba(212, 168, 71, 0.12);
  border-left: 3px solid var(--gold);
  backdrop-filter: blur(8px);
  padding: 0.7rem 1rem;
  border-radius: 0 10px 10px 0;
  font-size: 0.88rem;
  line-height: 1.5;
  transition: all 0.4s ease;
}

.city-hl-item::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  transform: skewX(-20deg);
  transition: 0.6s;
  pointer-events: none;
}

.city-hl-item:hover {
  transform: translateX(10px) scale(1.02);
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
  border-left-color: var(--gold-light);
  background: rgba(212, 168, 71, 0.08);
  z-index: 2;
}

.city-hl-item:hover::after {
  left: 200%;
}

.city-hl-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.city-hl-text strong {
  color: var(--gold-light);
  font-weight: 600;
}

.city-hl-text {
  color: rgba(240, 237, 232, 0.75);
}

.city-meals {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.meal-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Special offer callout */
.city-offer {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: linear-gradient(135deg, rgba(200, 16, 46, 0.15), rgba(233, 69, 96, 0.1));
  border: 1px solid rgba(200, 16, 46, 0.3);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  margin-top: 1rem;
  font-size: 0.88rem;
}

.city-offer .offer-icon {
  font-size: 1.5rem;
}

.city-offer strong {
  color: #FF7F8E;
}

/* ============================================================
   TRANSITION STRIP between cities (connecting visual)
   ============================================================ */
.journey-transition {
  position: relative;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  overflow: hidden;
}

.jt-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(13, 31, 60, 0.6) 0%, transparent 70%);
}

.jt-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.jt-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.jt-vehicle {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  animation: floatUpDown 2s ease-in-out infinite;
}

.jt-distance {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.jt-arrow {
  font-size: 1.1rem;
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.jt-dashes {
  display: flex;
  gap: 4px;
  align-items: center;
}

.jt-dashes span {
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  opacity: 0;
  animation: dashFade 0.4s ease forwards;
}

.jt-dashes span:nth-child(1) {
  animation-delay: 0s;
}

.jt-dashes span:nth-child(2) {
  animation-delay: 0.1s;
}

.jt-dashes span:nth-child(3) {
  animation-delay: 0.2s;
}

.jt-dashes span:nth-child(4) {
  animation-delay: 0.3s;
}

.jt-dashes span:nth-child(5) {
  animation-delay: 0.4s;
}

/* ============================================================
   FINAL CTA SECTION
   ============================================================ */
#section-cta {
  background: linear-gradient(180deg, var(--dark) 0%, #0A1628 100%);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  margin-top: 50px;
}

#section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(200, 16, 46, 0.07) 0%, transparent 60%);
}

.cta-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem 0 calc(var(--route-x, 72px) + 60px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  position: relative;
}

.cta-info h2 {
  font-family: var(--font-h);
  font-size: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta-info p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.summary-stops {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.summary-stop {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 0;
  border-left: 2px solid rgba(212, 168, 71, 0.2);
  padding-left: 1rem;
  font-size: 0.88rem;
  position: relative;
}

.summary-stop::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

.ss-name {
  color: var(--gold-light);
  font-weight: 600;
}

.ss-info {
  color: var(--muted);
  font-size: 0.82rem;
}

.cta-form {
  background: rgba(10, 22, 40, 0.85);
  border: 1px solid rgba(212, 168, 71, 0.2);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.cta-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.cta-form h3 {
  font-family: var(--font-h);
  font-size: 1.5rem;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
  text-align: center;
}

.fr2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.fg {
  margin-bottom: 0.85rem;
}

.fg label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.fg input,
.fg textarea,
.fg select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-b);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
}

.fg input::placeholder,
.fg textarea::placeholder {
  color: rgba(255, 255, 255, 0.18);
}

.fg input:focus,
.fg textarea:focus,
.fg select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 71, 0.1);
}

.fg select option {
  background: #0A1628;
}

.fg textarea {
  resize: vertical;
  min-height: 80px;
}

.btn-submit {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--red), var(--red2));
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: var(--font-b);
  font-size: 1rem;
  font-weight: 700;
  cursor: none;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  transition: transform 0.3s, box-shadow 0.3s;
  margin-top: 0.3rem;
}

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: skewX(-20deg);
  transition: 0.6s;
}

.btn-submit:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(200, 16, 46, 0.5);
}

.btn-submit:hover::before {
  left: 200%;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ============================================================
   EXTRA SECTIONS (PREMIUM, CULINARY, FAQ)
   ============================================================ */
.extra-section {
  padding: 100px 0;
  position: relative;
  background: var(--dark);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.extra-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem 0 calc(var(--route-x, 72px) + 60px);
}

.extra-title {
  font-family: var(--font-h);
  font-size: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 3rem;
  text-align: center;
}

/* Premium Grid */
.premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.premium-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(212, 168, 71, 0.1);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  text-align: center;
  transition: all 0.4s ease;
  backdrop-filter: blur(10px);
}

.premium-card:hover {
  transform: translateY(-10px);
  border-color: var(--gold);
  background: rgba(212, 168, 71, 0.05);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.premium-card h3 {
  font-family: var(--font-h);
  color: var(--gold-light);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.premium-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Culinary Cards */
.culinary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.culinary-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  height: 400px;
}

.culinary-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.culinary-card:hover img {
  transform: scale(1.1);
}

.c-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(0deg, rgba(5, 10, 20, 0.9) 0%, transparent 100%);
}

.c-info h4 {
  font-family: var(--font-h);
  color: var(--gold-light);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.c-info p {
  color: var(--text);
  font-size: 0.9rem;
  opacity: 0.8;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(212, 168, 71, 0.1);
}

.faq-q {
  padding: 1.5rem 0;
  font-family: var(--font-h);
  font-size: 1.2rem;
  color: var(--gold-light);
  cursor: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s;
}

.faq-q:hover {
  color: var(--gold);
}

.faq-q span {
  font-size: 1.5rem;
  transition: transform 0.3s;
}

.faq-item.active .faq-q span {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-a {
  max-height: 200px;
}

.faq-a p {
  padding-bottom: 1.5rem;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

/* Itinerary Timeline */
.itinerary-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 50px;
}

.itinerary-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(212, 168, 71, 0.2);
}

.itinerary-day {
  position: relative;
  margin-bottom: 3rem;
  opacity: 0.5;
  transform: translateX(20px);
  transition: all 0.6s ease;
}

.itinerary-day.active {
  opacity: 1;
  transform: translateX(0);
}

.day-number {
  position: absolute;
  left: -50px;
  width: 34px;
  height: 34px;
  background: var(--dark);
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  z-index: 2;
  transition: all 0.4s ease;
}

.itinerary-day.active .day-number {
  background: var(--gold);
  color: var(--dark);
  box-shadow: 0 0 15px var(--gold);
  transform: scale(1.2);
}

.day-content h4 {
  font-family: var(--font-h);
  font-size: 1.4rem;
  color: var(--gold-light);
  margin-bottom: 0.8rem;
}

.day-content p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(212, 168, 71, 0.1);
  padding: 2.5rem;
  border-radius: 20px;
  position: relative;
}

.t-text {
  font-style: italic;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.t-name {
  display: block;
  font-weight: 600;
  color: var(--gold-light);
}

.t-date {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Trust Signals */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  text-align: center;
}

.trust-item h4 {
  font-family: var(--font-h);
  color: var(--gold-light);
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.tr-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  color: var(--gold);
  background: rgba(212, 168, 71, 0.05);
  border: 1px solid rgba(212, 168, 71, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
  transition: all 0.4s ease;
}

.trust-item:hover .tr-icon {
  background: var(--gold);
  color: var(--dark);
  transform: translateY(-5px);
  box-shadow: 0 0 20px var(--gold);
}

.tr-icon svg {
  width: 100%;
  height: 100%;
}

.trust-item p {
  color: var(--muted);
  font-size: 0.85rem;
}

/* Footer Update */
.footer {
  background: #02050A;
  border-top: 1px solid rgba(212, 168, 71, 0.1);
  padding: 60px 0 20px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-family: var(--font-h);
  color: var(--gold);
  margin-bottom: 0.5rem;
  letter-spacing: 2px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-info p {
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}


/* ============================================================
   PREMIUM EFFECTS (CURSOR & ORBS)
   ============================================================ */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--gold-light);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--gold);
}

.cursor-ring {
  position: fixed;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(212, 168, 71, 0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  opacity: 0.4;
  animation: orbFloat 10s ease-in-out infinite alternate;
  pointer-events: none;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: rgba(212, 168, 71, 0.25);
  top: -150px;
  left: -150px;
}

.orb-2 {
  width: 600px;
  height: 600px;
  background: rgba(200, 16, 46, 0.2);
  bottom: -200px;
  right: -150px;
  animation-delay: -5s;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 50px) scale(1.1); }
}

@keyframes shineText {
  to { background-position: 200% center; }
}
@keyframes floatUpDown {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(10px);
  }
}

@keyframes vehicleGlow {
  from {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(0.8);
  }

  to {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

@keyframes dotPulse {

  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(212, 168, 71, 0.15), 0 0 20px rgba(212, 168, 71, 0.3);
  }

  50% {
    box-shadow: 0 0 0 12px rgba(212, 168, 71, 0.05), 0 0 40px rgba(212, 168, 71, 0.4);
  }
}

@keyframes twinkle {
  from {
    opacity: 0.8;
  }

  to {
    opacity: 1;
  }
}

@keyframes dashFade {
  from {
    opacity: 0;
    transform: scaleX(0);
  }

  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes cityReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  :root {
    --route-x: 36px;
  }

  .city-inner {
    padding: 0 1.5rem 0 calc(var(--route-x, 36px) + 44px);
    max-width: 100%;
  }

  .city-inner.right {
    padding: 0 1.5rem 0 calc(var(--route-x, 36px) + 44px);
    margin-left: 0;
    transform: translateX(-40px);
  }

  .cta-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 0 1.5rem 0 calc(var(--route-x, 36px) + 44px);
  }

  #minimap {
    display: none;
  }

  .fr2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  :root {
    --route-x: 24px;
  }

  .city-inner {
    padding: 0 1rem 0 calc(var(--route-x, 24px) + 36px);
  }

  .city-inner.right {
    padding: 0 1rem 0 calc(var(--route-x, 24px) + 36px);
  }

  .hud-stats {
    display: none;
  }

  .hud-logo {
    font-size: 1rem;
  }

  .hud-slogan {
    font-size: 0.5rem;
  }

  .hud-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
  }

  .intro-title {
    font-size: 2.2rem;
  }

  .intro-desc {
    font-size: 0.9rem;
    padding: 0 1rem;
  }

  .intro-chips {
    gap: 0.5rem;
  }

  .chip {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }

  .cta-wrapper {
    padding: 0 1rem 0 calc(var(--route-x, 24px) + 36px);
  }

  .cta-form {
    padding: 1.5rem;
  }

  .premium-grid {
    grid-template-columns: 1fr;
  }

  .culinary-cards {
    grid-template-columns: 1fr;
  }

  .culinary-card {
    height: 300px;
  }

  .city-name {
    font-size: 2rem;
  }

  .city-name-cn {
    font-size: 0.9rem;
  }

  .city-desc {
    font-size: 0.85rem;
  }

  .city-hl-item {
    font-size: 0.8rem;
    padding: 0.6rem 0.8rem;
  }

  .extra-title {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
  }

  .itinerary-timeline {
    padding-left: 20px;
  }

  .itinerary-timeline::before {
    left: 8px;
  }

  .day-number {
    left: -32px;
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-brand h3 {
    font-size: 1.2rem;
  }

  .footer-info p {
    font-size: 0.8rem;
  }
}