.landing-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  padding: 100px 40px 40px 40px;
  display: grid;
  grid-template-columns: 1fr 380px;
  grid-template-rows: 1fr auto;
  gap: 30px;
  background-color: var(--bg-primary);
}

/* Facade background rendering in CSS */
.campus-facade-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.sky-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 75% 20%, #15223e 0%, #0c1322 45%, #05070c 100%);
}

.stars {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(1px 1px at 20px 30px, #eee, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 150px 80px, #fff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 280px 120px, #ddd, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 450px 250px, #fff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 600px 180px, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 780px 90px, #ddd, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 920px 290px, #fff, rgba(0,0,0,0));
  background-size: 1000px 600px;
  opacity: 0.6;
  animation: starsTwinkle 10s infinite linear;
}

@keyframes starsTwinkle {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.3; }
}

.tech-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(30, 111, 253, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 111, 253, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.8;
  z-index: 2;
  mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  -webkit-filter: blur(100px);
  opacity: 0.25;
  z-index: 1;
  mix-blend-mode: screen;
  animation: floatOrb 25s infinite alternate ease-in-out;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent) 0%, rgba(30, 111, 253, 0.2) 100%);
  top: -10%;
  left: 10%;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #a855f7 0%, rgba(168, 85, 247, 0.2) 100%);
  bottom: 10%;
  right: 15%;
  animation-duration: 20s;
  animation-delay: -5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #10b981 0%, rgba(16, 185, 129, 0.2) 100%);
  top: 30%;
  left: 45%;
  animation-duration: 22s;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% {
    transform: translate(0px, 0px) scale(1);
  }
  50% {
    transform: translate(60px, 40px) scale(1.1);
  }
  100% {
    transform: translate(-40px, -60px) scale(0.9);
  }
}

/* Hero Content Styling */
.hero-content {
  position: relative;
  z-index: 10;
  align-self: center;
  padding-left: 20px;
  animation: heroSlideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroSlideIn {
  from { transform: translateX(-30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.1;
  color: white;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

/* Premium Hero Styles */
.hero-sup-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.line-decor {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
  border-radius: 2px;
}

.hero-title-new {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  color: white;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.gradient-text-blue {
  background: linear-gradient(120deg, #3b82f6 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 35px rgba(96, 165, 250, 0.25);
}

.hero-subtitle-new {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 30px;
}

/* Landing Search Bar */
.landing-search-container {
  display: flex;
  align-items: center;
  background: rgba(13, 20, 35, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 6px 6px 6px 18px;
  max-width: 540px;
  margin-bottom: 28px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.landing-search-container:focus-within {
  border-color: rgba(96, 165, 250, 0.5);
  box-shadow: 0 8px 32px rgba(30, 111, 253, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.search-lens-icon {
  font-size: 16px;
  color: var(--text-muted);
  margin-right: 12px;
}

#landing-search-input {
  flex: 1;
  background: none;
  border: none;
  color: white;
  font-size: 13px;
  outline: none;
  font-family: var(--font-body);
  padding: 8px 0;
}

#landing-search-input::placeholder {
  color: var(--text-muted);
}

.landing-search-btn {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  border: none;
  width: 44px;
  height: 38px;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.landing-search-btn:hover {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  transform: scale(1.03);
}

.arrow-icon {
  font-size: 16px;
}

/* Explore Categories Row */
.explore-categories-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.explore-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  margin-right: 6px;
}

.cat-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-body);
}

.cat-tag:hover {
  background: rgba(30, 111, 253, 0.1);
  border-color: rgba(30, 111, 253, 0.3);
  color: white;
  transform: translateY(-1px);
}

.cat-tag-all {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  padding: 6px 10px;
  transition: all 0.2s ease;
  font-family: var(--font-body);
}

.cat-tag-all:hover {
  color: var(--accent-light);
  text-decoration: underline;
}

/* Right Illustration Cap Container */
.hero-illustration-container {
  grid-column: 2;
  align-self: center;
  justify-self: center;
  position: relative;
  z-index: 10;
  animation: heroSlideInRight 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroSlideInRight {
  from { transform: translateX(30px) scale(0.95); opacity: 0; }
  to { transform: translateX(0) scale(1); opacity: 1; }
}

.hero-illustration-img {
  max-width: 380px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.05);
  mix-blend-mode: lighten;
}

.highlight-text {
  color: var(--accent-light);
  background: linear-gradient(120deg, #3b82f6 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(96, 165, 250, 0.2);
}

.hero-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 35px;
}

.cta-actions {
  display: flex;
  gap: 15px;
}

.btn-large {
  padding: 14px 28px;
  font-size: 13px;
  letter-spacing: 0.05em;
}

.btn-icon {
  font-size: 14px;
}

/* Right Navigation Menu Drawer */
.side-menu-drawer {
  position: relative;
  z-index: 10;
  grid-column: 2;
  align-self: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  animation: drawerSlideIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes drawerSlideIn {
  from { transform: translateX(30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.menu-item:hover {
  background: rgba(30, 111, 253, 0.08);
  border-color: rgba(30, 111, 253, 0.3);
  transform: translateX(-5px);
  box-shadow: 0 4px 15px rgba(30, 111, 253, 0.1);
}

.menu-item.active {
  background: rgba(30, 111, 253, 0.12);
  border-color: rgba(30, 111, 253, 0.4);
  box-shadow: 0 4px 20px rgba(30, 111, 253, 0.15);
}

.menu-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition-smooth);
}

.menu-item:hover .menu-item-icon,
.menu-item.active .menu-item-icon {
  background: rgba(30, 111, 253, 0.2);
  border-color: var(--accent-light);
  color: white;
}

.menu-item-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-item-text h3 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: white;
}

.menu-item-text p {
  font-size: 10px;
  color: var(--text-secondary);
}

/* Statistics Panel (Bottom) */
.stats-panel {
  grid-column: 1 / span 2;
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 16px 20px;
  animation: statsSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes statsSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.stat-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-icon {
  font-size: 20px;
  color: var(--accent-light);
}

.stat-data h4 {
  font-size: 18px;
  font-weight: 800;
  color: white;
}

.stat-data p {
  font-size: 9px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 30px;
  background: rgba(255, 255, 255, 0.08);
}

/* Floating Helper Action Button */
.helper-floating-btn {
  position: fixed;
  bottom: 120px;
  right: 40px;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 20px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 15, 28, 0.8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.helper-floating-btn:hover {
  background: rgba(30, 111, 253, 0.15);
  border-color: var(--accent-light);
  transform: translateY(-2px);
}

.helper-icon {
  font-size: 14px;
}

.helper-text {
  font-size: 10px;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Video Modal Styles */
.video-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 150;
  width: 90%;
  max-width: 800px;
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.video-modal[open] {
  display: flex;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.modal-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: white;
}

.close-modal {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.close-modal:hover {
  color: white;
}

.modal-body {
  padding: 24px;
}

.video-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: #030712;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.pulse-play {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(30, 111, 253, 0.2);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulseBtn 2s infinite;
  cursor: pointer;
}

.pulse-play::before {
  content: '▶';
  color: white;
  font-size: 20px;
  margin-left: 4px;
}

@keyframes pulseBtn {
  0% { box-shadow: 0 0 0 0 rgba(30, 111, 253, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(30, 111, 253, 0); }
  100% { box-shadow: 0 0 0 0 rgba(30, 111, 253, 0); }
}

.video-placeholder p {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.loading-bar {
  width: 60%;
  height: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.loading-bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 30%;
  background: var(--accent);
  border-radius: 2px;
  animation: progressPulse 2s infinite linear;
}

@keyframes progressPulse {
  0% { left: -30%; }
  100% { left: 100%; }
}

/* Chatbot Drawer Styles */
.chatbot-drawer {
  position: fixed;
  bottom: 120px;
  right: -420px; /* Hidden by default */
  width: 380px;
  height: 500px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(30, 111, 253, 0.15);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.chatbot-drawer.open {
  right: 40px;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(15, 22, 38, 0.5);
}

.chat-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  font-size: 24px;
}

.chat-title h3 {
  font-size: 13px;
  font-weight: 700;
  color: white;
}

.online-indicator {
  font-size: 9px;
  color: var(--color-popular);
  font-weight: 500;
}

.close-drawer {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.close-drawer:hover {
  color: white;
}

.chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 11px;
  line-height: 1.5;
}

.message.system {
  background: rgba(30, 111, 253, 0.1);
  border: 1px solid rgba(30, 111, 253, 0.15);
  color: var(--text-primary);
  align-self: flex-start;
  border-top-left-radius: 2px;
}

.message.user {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.04);
  color: white;
  align-self: flex-end;
  border-top-right-radius: 2px;
}

.chat-input-area {
  display: flex;
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(10, 15, 28, 0.4);
  gap: 10px;
}

.chat-input-area input {
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 8px 12px;
  color: white;
  font-size: 11px;
  font-family: var(--font-body);
}

.chat-input-area input:focus {
  outline: none;
  border-color: var(--accent);
}

.send-message-btn {
  background: var(--accent);
  border: none;
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.send-message-btn:hover {
  background: #3b82f6;
}