.nav {
  width: 100%;
  backdrop-filter: blur(20px) saturate(180%);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.9) 100%
  );
  padding: 1.2rem 2rem;
  position: fixed;
  top: 0;
  left: 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
  z-index: var(--z-fixed);
  border-bottom: 1px solid rgba(0, 153, 204, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
  padding: 0.8rem 2rem;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.nav-container {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  gap: 2rem;
}

.hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image {
  width: 100%;

  height: 100%;
  object-fit: cover;
}

.hero-image-placeholder {
  width: 100%;
  max-width: 400px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.placeholder-icon {
  width: 60px;
  height: 60px;
  opacity: 0.5;
}

.hero-image-placeholder p {
  font-size: var(--font-base);
  margin: 0;
  font-weight: var(--font-medium);
}

/* About Video Placeholder */
.video-placeholder {
  width: 100%;
  height: 350px;
  background: linear-gradient(
    135deg,
    rgba(0, 153, 204, 0.1) 0%,
    rgba(0, 204, 153, 0.1) 100%
  );
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.video-placeholder:hover {
  background: linear-gradient(
    135deg,
    rgba(0, 153, 204, 0.2) 0%,
    rgba(0, 204, 153, 0.2) 100%
  );
  border-color: var(--color-secondary);
}

.video-placeholder .placeholder-icon {
  width: 80px;
  height: 80px;
  color: var(--color-primary);
}

.hero-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4) var(--space-8);
  background: var(--color-secondary);
  color: var(--text-white);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: var(--font-lg);
  font-weight: var(--font-bold);
  transition: all var(--transition-normal);
  box-shadow: 0 8px 24px rgba(255, 193, 7, 0.3);
  position: relative;
  z-index: 2;
  margin-top: 2rem;
}

.logo {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-family: var(--font-main);
  font-weight: 900;
  letter-spacing: -0.5px;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  transition: all 0.3s ease;
  position: relative;
}

.nav nav {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  max-width: 72%;
}

.nav nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: black;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-main);
  position: relative;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav nav a i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.nav nav a:hover i {
  opacity: 1;
}

.book-now-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.book-now {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-secondary) 100%
  );
  color: var(--text-white);
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-main);
  position: relative;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 153, 204, 0.3);
  overflow: hidden;
}

.book-now::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    var(--color-secondary) 0%,
    var(--color-primary) 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.book-now span {
  position: relative;
  z-index: 1;
}

.nav nav a:hover {
  color: var(--color-primary);
  background-color: rgba(0, 153, 204, 0.08);
  transform: translateY(-2px);
}

.nav nav a::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  background: var(--color-primary);
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav nav a:hover::after {
  width: 60%;
}

.book-now:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 153, 204, 0.4);
}

.book-now:hover::before {
  opacity: 1;
}

.book-now:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 153, 204, 0.35);
}

.menu-btn {
  display: none;
}

.mobile-nav {
  display: none;
}

.toggle-container {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 1rem;
}
.theme-toggle-simple {
  background-color: #ddd;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.mobile-dark-mode {
  background-color: #ddd;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
/*========= Hero Section =========*/

.hero-sec {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--space-12) + 80px) var(--space-6) var(--space-12);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.hero-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-sec-container {
  max-width: 1200px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
  margin-bottom: 3rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.description {
  font-size: var(--font-lg);
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--font-medium);
  margin: 0;
}

.hero-sec h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-bold);
  color: var(--text-white);
  line-height: 1.2;
  margin: 0;
}

.hero-subtitle {
  font-size: var(--font-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin: 0;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: var(--font-bold);
  color: var(--text-white);
}

.stat-label {
  font-size: var(--font-sm);
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-medium);
}

.hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.hero-media::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  transition: all var(--transition-normal);
}
.hero-media:hover::before {
  background: rgba(0, 0, 0, 0.5);
}
.hero-media:hover {
  transform: translate(0, -10px);
}

.hero-image-placeholder {
  width: 100%;
  max-width: 400px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  background: var(--color-white);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 40px;
  font-size: var(--font-lg);
  font-weight: var(--font-bold);
  transition: all var(--transition-normal);
  box-shadow: 0 8px 24px rgba(255, 193, 7, 0.3);
  position: relative;
  z-index: 2;
  margin: 0 auto;
}
.hero-cta-btn::after {
  content: "→";
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 20px;
  display: none;
}
.hero-cta-btn:hover::after {
  display: flex;
}
.hero-cta-btn:hover {
  padding: var(--space-4) var(--space-10) var(--space-4) var(--space-8);
}
/*========= AI Chat Bot =========*/

.ai-chatbot {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  font-family: var(--font-main);
}

/* Chat Toggle Button */
.chat-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 14px 18px;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border: none;
  font-size: 14px;
  font-weight: 600;
}

.chat-toggle:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.chat-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-icon i {
  width: 24px;
  height: 24px;
}

.notification-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  background: #ff4757;
  border-radius: 50%;
  border: 2px solid white;
  animation: pulse-notification 2s infinite;
}

.chat-preview {
  opacity: 1;
  transition: opacity 0.3s ease;
}

/* Chat Window */
.chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  height: 500px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  display: none;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-window.open {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* Chat Header */
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  position: relative;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-avatar i {
  width: 20px;
  height: 20px;
}

.chat-info h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.status {
  font-size: 12px;
  opacity: 0.8;
  font-weight: 500;
}

.chat-close {
  position: absolute;
  top: 20px;
  left: 20px;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: background 0.2s ease;
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.chat-close i {
  width: 16px;
  height: 16px;
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: #f8fafc;
  scroll-behavior: smooth;
}

.message {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  animation: messageSlideIn 0.3s ease-out;
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bot-message .message-avatar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.user-message {
  flex-direction: row-reverse;
}

.user-message .message-avatar {
  background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
  color: white;
}

.message-content {
  max-width: 250px;
}

.message-content p {
  margin: 0;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 14px;
  line-height: 1.4;
}

.bot-message .message-content p {
  background: white;
  color: #334155;
  border-bottom-left-radius: 6px;
}

.user-message .message-content p {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-bottom-right-radius: 6px;
}

.welcome-message {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.welcome-message p {
  margin: 0 0 12px 0;
  font-size: 15px;
}

.quick-questions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.quick-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.quick-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

/* Chat Input */
.chat-input-area {
  padding: 20px;
  background: white;
  border-top: 1px solid #e2e8f0;
}

.input-container {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 8px;
}

#chatInput {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 24px;
  outline: none;
  font-size: 14px;
  resize: none;
  min-height: 20px;
  max-height: 100px;
  transition: border-color 0.2s ease;
}

#chatInput:focus {
  border-color: #667eea;
}

.send-btn {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.send-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.send-btn i {
  width: 16px;
  height: 16px;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 0;
  justify-content: center;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: #667eea;
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse-notification {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .ai-chatbot {
    bottom: 15px;
    right: 15px;
  }

  .chat-window {
    width: calc(100vw - 30px);
    max-width: 350px;
    height: 450px;
    bottom: 70px;
  }

  .chat-toggle {
    padding: 12px 16px;
    font-size: 13px;
  }

  .chat-preview {
    display: none;
  }

  .notification-dot {
    width: 10px;
  }

  .about-section {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    background: var(--bg-white);
  }

  .about-container {
    max-width: 1200px;
    width: 100%;
    text-align: center;
  }

  .about-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
  }

  .about-icon {
    width: 40px;
    height: 40px;
  }

  .about-description {
    font-size: var(--font-lg);
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }

  /* About Content - Split Layout */
  .about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
  }

  /* About Media */
  .about-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
  }

  .about-video {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--radius-lg);
  }

  .video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
  }

  .about-media:hover .video-overlay {
    opacity: 1;
  }

  .video-play-icon {
    width: 60px;
    height: 60px;
    color: var(--text-white);
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    padding: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
  }

  .video-play-icon:hover {
    background: var(--color-primary);
    transform: scale(1.1);
  }

  /* About Text */
  .about-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: right;
  }

  .about-main-text {
    font-size: var(--font-lg);
    line-height: 1.8;
    color: var(--text-dark);
    margin: 0;
  }

  .about-main-text strong {
    color: var(--color-primary);
    font-weight: var(--font-bold);
  }

  /* Quick Features */
  .quick-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .quick-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(
      135deg,
      rgba(0, 153, 204, 0.05) 0%,
      rgba(0, 204, 153, 0.05) 100%
    );
    border-radius: var(--radius-lg);
    border-right: 4px solid var(--color-primary);
    transition: all var(--transition-normal);
  }

  .quick-feature:hover {
    transform: translateX(-5px);
    box-shadow: 0 8px 24px rgba(0, 153, 204, 0.1);
    background: linear-gradient(
      135deg,
      rgba(0, 153, 204, 0.1) 0%,
      rgba(0, 204, 153, 0.1) 100%
    );
  }

  .quick-feature-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.25rem;
  }

  .quick-feature-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .quick-feature-content h4 {
    font-size: var(--font-lg);
    font-weight: var(--font-bold);
    color: var(--text-dark);
    margin: 0;
  }

  .quick-feature-content p {
    font-size: var(--font-base);
    color: var(--text-gray);
    line-height: 1.6;
    margin: 0;
  }
}