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

:root {
  --primary-green: #22c55e;
  --primary-green-dark: #16a34a;
  --primary-green-light: #4ade80;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* Main Page */
.coming-soon-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  padding: 2rem;
  color: white;
}

/* Background Animation */
.background-animation {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 0;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
  filter: blur(60px);
  animation: float 20s ease-in-out infinite;
}

.circle-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.circle-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  right: -150px;
  animation-delay: 5s;
}

.circle-3 {
  width: 350px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.6;
  }
}

/* Fireflies Effect */
.fireflies {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.firefly {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-green), 0 0 20px var(--primary-green);
  opacity: 0;
  animation: firefly-float 15s infinite ease-in-out;
}

.firefly:nth-child(1) {
  left: 10%;
  animation-delay: 0s;
  animation-duration: 12s;
}

.firefly:nth-child(2) {
  left: 20%;
  animation-delay: 1s;
  animation-duration: 14s;
}

.firefly:nth-child(3) {
  left: 30%;
  animation-delay: 2s;
  animation-duration: 13s;
}

.firefly:nth-child(4) {
  left: 40%;
  animation-delay: 3s;
  animation-duration: 15s;
}

.firefly:nth-child(5) {
  left: 50%;
  animation-delay: 1.5s;
  animation-duration: 16s;
}

.firefly:nth-child(6) {
  left: 60%;
  animation-delay: 2.5s;
  animation-duration: 11s;
}

.firefly:nth-child(7) {
  left: 70%;
  animation-delay: 0.5s;
  animation-duration: 13s;
}

.firefly:nth-child(8) {
  left: 80%;
  animation-delay: 3.5s;
  animation-duration: 14s;
}

.firefly:nth-child(9) {
  left: 90%;
  animation-delay: 1.2s;
  animation-duration: 12s;
}

.firefly:nth-child(10) {
  left: 15%;
  animation-delay: 4s;
  animation-duration: 15s;
}

.firefly:nth-child(11) {
  left: 25%;
  animation-delay: 2.8s;
  animation-duration: 13s;
}

.firefly:nth-child(12) {
  left: 45%;
  animation-delay: 0.8s;
  animation-duration: 14s;
}

.firefly:nth-child(13) {
  left: 65%;
  animation-delay: 3.2s;
  animation-duration: 12s;
}

.firefly:nth-child(14) {
  left: 75%;
  animation-delay: 1.8s;
  animation-duration: 16s;
}

.firefly:nth-child(15) {
  left: 85%;
  animation-delay: 2.2s;
  animation-duration: 11s;
}

@keyframes firefly-float {
  0% {
    top: 100%;
    opacity: 0;
    transform: translateX(0) scale(1);
  }
  10% {
    opacity: 0.8;
  }
  20% {
    transform: translateX(30px) scale(1.2);
  }
  40% {
    transform: translateX(-30px) scale(0.8);
  }
  60% {
    transform: translateX(20px) scale(1.1);
  }
  80% {
    transform: translateX(-20px) scale(0.9);
    opacity: 0.8;
  }
  90% {
    opacity: 0;
  }
  100% {
    top: -10%;
    opacity: 0;
    transform: translateX(0) scale(1);
  }
}

/* Container */
.coming-soon-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
}

.coming-soon-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Logo Section */
.logo-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.logo-image {
  width: 300px;
  max-width: 80%;
  height: auto;
  margin: 0 auto;
  display: block;
}

/* Content Section */
.content-section {
  text-align: center;
}

.coming-soon-heading {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 2.5rem;
  line-height: 1.1;
  text-transform: uppercase;
  white-space: nowrap;
  position: relative;
  /* Nền chữ tối hơn, vệt sáng trắng rõ */
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(255, 255, 255, 0.4) 25%,
    rgba(255, 255, 255, 0.7) 35%,
    #ffffff 45%,
    #ffffff 55%,
    rgba(255, 255, 255, 0.7) 65%,
    rgba(255, 255, 255, 0.4) 75%,
    rgba(255, 255, 255, 0.4) 100%
  );
  background-size: 250% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer-sweep 3s ease-in-out infinite;
}

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

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 20px;
  color: var(--primary-green);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-green);
  border-radius: 50%;
}

.coming-soon-title {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.coming-soon-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* Countdown Timer */
.countdown-section {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.countdown-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  min-width: 80px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.countdown-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.countdown-separator {
  font-size: 2rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  margin: 0 -0.5rem;
}

/* Features Preview */
.features-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.feature-item svg {
  color: var(--primary-green);
  flex-shrink: 0;
}

/* Contact Section */
.contact-section {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.75rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-green);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  padding: 0.5rem 1rem;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 8px;
}

.contact-link:hover {
  color: var(--primary-green-light);
  background: rgba(34, 197, 94, 0.15);
  transform: translateY(-2px);
}

.contact-link svg {
  flex-shrink: 0;
}


/* Responsive */
@media (max-width: 768px) {
  .coming-soon-page {
    padding: 1rem;
  }

  .coming-soon-card {
    padding: 2rem 1.5rem;
  }

  .main-title {
    font-size: 1.75rem;
  }

  .coming-soon-heading {
    font-size: clamp(1.75rem, 8vw, 2.75rem);
    margin-bottom: 2rem;
  }

  .coming-soon-title {
    font-size: 1.5rem;
  }

  .logo-image {
    width: 250px;
  }

  .countdown-value {
    font-size: 2rem;
    padding: 0.75rem 1rem;
    min-width: 70px;
  }

  .countdown-separator {
    font-size: 1.5rem;
  }

  .features-preview {
    grid-template-columns: 1fr;
  }

  .circle-1,
  .circle-2,
  .circle-3 {
    width: 300px;
    height: 300px;
  }
}

@media (max-width: 480px) {
  .coming-soon-card {
    padding: 1.5rem 1rem;
  }

  .logo-image {
    width: 200px;
  }

  .coming-soon-heading {
    font-size: clamp(1.5rem, 9vw, 2.25rem);
    margin-bottom: 1.5rem;
  }

  .coming-soon-title {
    font-size: 1.25rem;
  }

  .countdown-section {
    gap: 0.5rem;
  }

  .countdown-value {
    font-size: 1.75rem;
    padding: 0.5rem 0.75rem;
    min-width: 60px;
  }

  .countdown-label {
    font-size: 0.625rem;
  }

  .countdown-separator {
    font-size: 1.25rem;
    margin: 0;
  }
}