:root {
  --primary: #00d4ff;
  --secondary: #4f46e5;
  --accent: #ffb703;
  --success: #00e396;
  --bg-1: #051937;
  --bg-2: #004d7a;
  --bg-3: #008793;
  --bg-4: #00bf72;
  --white: #ffffff;
  --light: #f4f7fb;
  --glass: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.35);
}

body {
  background: linear-gradient(
    -45deg,
    #051937,
    #004d7a,
    #008793,
    #00bf72,
    #7c3aed,
    #2563eb
  );
  background-size: 600% 600%;
  animation: gradientMove 20s ease infinite;
  overflow: hidden;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.bg-light-1 {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: #00d4ff;
  filter: blur(160px);
  opacity: 0.18;
  animation: floatBlob1 15s infinite alternate;
}

.bg-light-2 {
  background: #7c3aed;
  animation: floatBlob2 20s infinite alternate;
}

.bg-light-3 {
  background: #00bf72;
  animation: floatBlob3 17s infinite alternate;
}

@keyframes floatBlob1 {
  from {
    transform: translate(-120px, -80px);
  }
  to {
    transform: translate(180px, 120px);
  }
}

.particle {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: white;
  opacity: 0.25;
  position: absolute;
  animation: particleMove linear infinite;
}

@keyframes particleMove {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  30% {
    opacity: 0.25;
  }
  100% {
    transform: translateY(-600px);
    opacity: 0;
  }
}

.airplane {
  position: absolute;
  font-size: 40px;
  opacity: 0.1;
  animation: fly 28s linear infinite;
}

@keyframes fly {
  0% {
    transform: translate(-200px, 900px) rotate(-12deg);
  }
  100% {
    transform: translate(2200px, -400px) rotate(-12deg);
  }
}

.cloud {
  filter: blur(3px);
  opacity: 0.08;
  animation: cloudMove 90s linear infinite;
}

.glass {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.glass:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-5px);
}

.travel-card {
  border-radius: 34px;
  overflow: hidden;
  position: relative;
  transition: 0.45s;
}

.travel-card:hover {
  transform: translateY(-12px) scale(1.03);
}

.travel-card::before {
  content: "";
  position: absolute;
  left: -150%;
  top: 0;
  width: 80px;
  height: 100%;
  background: rgba(255, 255, 255, 0.35);
  transform: skewX(-25deg);
  transition: 1.1s;
}

.travel-card:hover::before {
  left: 180%;
}

.btn-premium {
  padding: 18px 34px;
  border-radius: 100px;
  font-weight: 600;
  letter-spacing: 0.8px;
  background: linear-gradient(135deg, #00d4ff, #4f46e5);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-premium:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.4);
}

.btn-premium::after {
  content: "";
  position: absolute;
  left: -80%;
  top: 0;
  width: 70px;
  height: 100%;
  background: rgba(255, 255, 255, 0.45);
  transform: skewX(-25deg);
}

.btn-premium:hover::after {
  left: 180%;
  transition: 0.8s;
}

.section-title {
  font-size: 72px;
  font-weight: 800;
  letter-spacing: 2px;
  background: linear-gradient(90deg, white, #00d4ff, white);
  -webkit-background-clip: text;
  color: transparent;
}

.section-subtitle {
  font-size: 22px;
  opacity: 0.8;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.line {
  height: 4px;
  width: 120px;
  border-radius: 100px;
  background: linear-gradient(90deg, #00d4ff, #7c3aed);
  animation: pulseLine 2s infinite;
}

.hotel-card {
  animation: floating 5s ease infinite;
}

.hotel-card:nth-child(2) {
  animation-delay: 1.2s;
}

.hotel-card:nth-child(3) {
  animation-delay: 2.1s;
}

.hero-video {
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.35);
}

.swiper-slide {
  transition:
    transform 0.8s,
    opacity 0.8s;
}

/*=========================================
=            SIDEBAR PREMIUM              =
=========================================*/

.sidebar {
  position: fixed;
  top: 50%;
  left: 30px;
  transform: translateY(-50%);
  width: 115px;
  height: calc(100vh - 60px);
  padding: 25px 0;
  border-radius: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  z-index: 999;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.sidebar::before {
  content: "";
  position: absolute;
  top: -150px;
  left: -120px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.35), transparent);
  animation: sidebarGlow 10s infinite alternate;
}

.sidebar::after {
  content: "";
  position: absolute;
  right: 0;
  top: 60px;
  width: 4px;
  height: 120px;
  border-radius: 50px;
  background: linear-gradient(to bottom, #00d4ff, #7c3aed);
  animation: menuLine 4s infinite;
}

@keyframes sidebarGlow {
  from {
    transform: translate(-40px, -20px);
  }

  to {
    transform: translate(50px, 50px);
  }
}

@keyframes menuLine {
  0% {
    top: 70px;
  }

  50% {
    top: calc(100% - 200px);
  }

  100% {
    top: 70px;
  }
}

.sidebar-logo {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #00d4ff, #4f46e5);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.35);
  color: white;
  font-size: 28px;
  margin-bottom: 25px;
}

.sidebar-nav {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.sidebar-item {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  cursor: pointer;
  transition: 0.45s;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-item:hover {
  transform: translateX(8px) scale(1.08);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 15px 35px rgba(0, 212, 255, 0.25);
}

.sidebar-item i {
  font-size: 28px;
  transition: 0.35s;
}

.sidebar-item:hover i {
  transform: rotate(-12deg) scale(1.15);
}

.sidebar-item.active {
  background: linear-gradient(135deg, #00d4ff, #4f46e5);
  box-shadow: 0 20px 50px rgba(0, 212, 255, 0.45);
}

.sidebar-item.active::before {
  content: "";
  position: absolute;
  left: -18px;
  width: 8px;
  height: 45px;
  border-radius: 30px;
  background: #00d4ff;
  box-shadow: 0 0 20px #00d4ff;
}

.sidebar-item.active::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 28px;
  border: 2px solid rgba(0, 212, 255, 0.35);
  animation: pulseMenu 2s infinite;
}

@keyframes pulseMenu {
  0% {
    transform: scale(1);

    opacity: 1;
  }

  100% {
    transform: scale(1.25);

    opacity: 0;
  }
}

.sidebar-text {
  position: absolute;

  left: 95px;

  white-space: nowrap;

  padding: 10px 18px;

  border-radius: 16px;

  background: rgba(20, 20, 30, 0.85);

  backdrop-filter: blur(10px);

  opacity: 0;

  transform: translateX(-10px);

  transition: 0.35s;

  pointer-events: none;

  font-size: 14px;

  font-weight: 500;
}

.sidebar-item:hover .sidebar-text {
  opacity: 1;

  transform: translateX(0);
}

.sidebar-bottom {
  display: flex;

  flex-direction: column;

  gap: 18px;

  align-items: center;
}

.sidebar-logout {
  width: 62px;
  height: 62px;

  border-radius: 20px;

  display: flex;

  justify-content: center;
  align-items: center;

  background: rgba(255, 80, 80, 0.12);

  transition: 0.35s;
}

.sidebar-logout:hover {
  background: #ff4d4d;

  transform: rotate(-10deg) scale(1.08);
}