/* ==========================================
   KIOSK – HOME PAGE STYLES
   Landing page with liquid glass aesthetic
   ========================================== */

.home-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: 6rem; /* Space for floating dock */
}

/* ==========================================
   TOP HEADER (Minimal)
   ========================================== */

.top-header {
  padding: 1.5rem 2rem;
  background: transparent;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

/* ==========================================
   FLOATING DOCK (Bottom Navigation)
   ========================================== */

.floating-dock {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  max-width: 90vw;
  box-shadow: var(--glass-shadow-lg), 0 0 40px var(--accent-glow);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
  animation: slideUp 0.5s ease-out;
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.dock-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  background: transparent;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.dock-item svg {
  width: 24px;
  height: 24px;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
}

.dock-item:hover {
  color: var(--accent-color);
  background: var(--tertiary-bg);
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.dock-item:hover svg {
  transform: scale(1.1);
}

.dock-item:active {
  transform: translateY(-3px) scale(0.95);
  transition-duration: 0.1s;
}

.dock-divider {
  width: 1px;
  height: 32px;
  background: var(--glass-border);
  margin: 0 0.25rem;
}

.dock-item-primary {
  background: var(--accent-color);
  color: white;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.dock-item-primary::before,
.dock-item-primary.drag-over::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  pointer-events: none;
}

.dock-item-primary.drag-over::after {
  border: 2px dashed white;
  animation: dropPulse 0.6s ease-in-out infinite;
}

.dock-item-primary:hover {
  background: var(--accent-hover);
  color: white;
  transform: translateY(-5px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.dock-item-primary:active {
  transform: translateY(-3px) scale(0.95);
  transition-duration: 0.1s;
}

/* ==========================================
   MAIN CONTENT
   ========================================== */

.main-content {
  padding-top: 2rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero-section {
  text-align: center;
  padding: 4rem 2rem;
  margin-bottom: 4rem;
}

.hero-badge {
  display: inline-block;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 2rem;
  box-shadow: var(--glass-shadow);
  animation: fadeInUp 0.6s ease-out;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
  margin-bottom: 1.5rem;
}

.hero-hint {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.btn-primary,
.btn-secondary {
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary::before,
.btn-primary.drag-over::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  pointer-events: none;
}

.btn-primary.drag-over::after {
  border: 2px dashed white;
  animation: dropPulse 0.6s ease-in-out infinite;
}

@keyframes dropPulse {
  0%, 100% {
    opacity: 0.5;
    transform: scale(0.95);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.btn-primary {
  background: var(--accent-color);
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-secondary {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-bg-dark);
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow-lg);
}

/* Hidden file input */
#file-input {
  display: none;
}

/* ==========================================
   DEMO ANIMATION SECTION
   ========================================== */

.demo-section {
  margin-bottom: 6rem;
  padding: 2rem;
  animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.demo-window {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-lg);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}

.demo-browser-bar {
  background: var(--secondary-bg);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.demo-dots {
  display: flex;
  gap: 0.5rem;
}

.demo-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.3;
}

.demo-content {
  padding: 2rem;
  min-height: 400px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-pdf {
  width: 100%;
  max-width: 500px;
  background: white;
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.demo-pdf-page {
  position: relative;
}

.demo-text-line {
  height: 12px;
  background: var(--text-muted);
  opacity: 0.2;
  border-radius: 4px;
  margin-bottom: 1rem;
  animation: pulse 2s ease-in-out infinite;
}

.demo-text-line.short {
  width: 60%;
}

.demo-highlight {
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 12px;
  background: var(--accent-color);
  opacity: 0.3;
  border-radius: 4px;
  animation: highlightSweep 3s ease-in-out infinite;
}

.demo-dock {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  display: flex;
  gap: 0.5rem;
  box-shadow: var(--glass-shadow-lg);
  animation: dockBounce 2s ease-in-out infinite;
}

/* Theme Toggle Styles */
#theme-toggle {
  position: relative;
}

.theme-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.sun-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

.moon-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(180deg);
}

[data-theme="night"] .sun-icon,
[data-system-theme="night"] .sun-icon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-180deg);
}

[data-theme="night"] .moon-icon,
[data-system-theme="night"] .moon-icon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg);
}

.demo-tool {
  width: 36px;
  height: 36px;
  background: var(--tertiary-bg);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.demo-tool.active {
  background: var(--accent-color);
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

.features-section {
  margin-bottom: 6rem;
  padding: 2rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  box-shadow: var(--glass-shadow);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--glass-shadow-lg), 0 0 30px var(--accent-glow);
  border-color: var(--accent-color);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ==========================================
   HOW IT WORKS SECTION
   ========================================== */

.how-it-works-section {
  margin-bottom: 6rem;
  padding: 2rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.step-card {
  text-align: center;
  padding: 2rem;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow-lg);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--accent-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.step-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================
   BENEFITS SECTION
   ========================================== */

.benefits-section {
  margin-bottom: 6rem;
  padding: 2rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.benefit-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition);
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow-lg);
}

.benefit-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.benefit-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
}

.footer p {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.footer-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition);
}

.footer-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.footer-subtext {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

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

@keyframes pulse {
  0%, 100% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.3;
  }
}

@keyframes highlightSweep {
  0%, 100% {
    width: 0%;
    opacity: 0;
  }
  50% {
    width: 80%;
    opacity: 0.3;
  }
}

@keyframes dockBounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
  .top-header {
    padding: 1rem 1.5rem;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
  }

  .logo-text {
    font-size: 1.25rem;
  }

  .floating-dock {
    bottom: 1rem;
    padding: 0.5rem 0.75rem;
    gap: 0.35rem;
    max-width: calc(100vw - 2rem);
  }

  .dock-item {
    width: 40px;
    height: 40px;
  }

  .dock-item svg {
    width: 20px;
    height: 20px;
  }

  .floating-dock.hidden {
    transform: translateX(-50%) translateY(calc(100% + 2rem));
  }

  .dock-item:hover {
    transform: translateY(-6px) scale(1.05);
  }

  .dock-item-primary:hover {
    transform: translateY(-8px) scale(1.08);
  }

  .dock-item {
    padding: 0.5rem 0.625rem;
    min-width: 50px;
    flex-shrink: 0;
  }

  .dock-item svg {
    width: 20px;
    height: 20px;
  }

  .dock-item span {
    font-size: 0.65rem;
  }

  .main-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-section {
    padding: 2rem 1rem;
  }

  .hero-title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .hero-description {
    font-size: 1rem;
  }

  .demo-content {
    padding: 1rem;
    min-height: 300px;
  }

  .demo-pdf {
    padding: 1.5rem;
  }

  .demo-dock {
    bottom: 1rem;
    padding: 0.5rem;
  }

  .demo-tool {
    width: 30px;
    height: 30px;
  }

  .features-grid,
  .steps-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .feature-card,
  .step-card,
  .benefit-card {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .top-header {
    padding: 0.75rem 1rem;
  }

  .floating-dock {
    bottom: 0.75rem;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    max-width: calc(100vw - 1.5rem);
  }

  .dock-item {
    padding: 0.4rem 0.5rem;
    min-width: 45px;
  }

  .dock-item svg {
    width: 18px;
    height: 18px;
  }

  .dock-item span {
    font-size: 0.6rem;
  }

  .hero-section {
    padding: 1.5rem 0.75rem;
  }

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

  .hero-title {
    font-size: clamp(1.5rem, 10vw, 2rem);
    margin-bottom: 1rem;
  }

  .hero-description {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 2rem;
  }

  .demo-section {
    padding: 1rem 0.5rem;
  }

  .demo-pdf {
    padding: 1rem;
  }

  .feature-card,
  .step-card,
  .benefit-card {
    padding: 1.25rem;
  }

  .feature-icon {
    font-size: 2rem;
  }

  .step-number {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
}

/* Ultra-narrow displays (< 360px) */
@media (max-width: 360px) {
  .floating-dock {
    gap: 0;
  }

  .dock-item {
    padding: 0.35rem 0.4rem;
    min-width: 42px;
  }

  .dock-item svg {
    width: 16px;
    height: 16px;
  }

  .dock-item span {
    font-size: 0.55rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-description br {
    display: none;
  }
}

/* ==========================================
   DOWNLOAD DROPDOWN
   ========================================== */

.download-dropdown {
  position: relative;
  display: inline-block;
}

.download-dropdown .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-chevron {
  transition: transform 0.3s ease;
  margin-left: 0.25rem;
}

.download-dropdown.open .dropdown-chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) scale(0.95);
  min-width: 320px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow-lg), 0 16px 48px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
  padding: 0.5rem;
}

.download-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) scale(1);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.dropdown-item:hover {
  background: var(--accent-color);
  color: white;
}

.dropdown-item:hover .dropdown-item-desc {
  color: rgba(255, 255, 255, 0.8);
}

.dropdown-item:hover .platform-badge {
  background: rgba(255, 255, 255, 0.25);
  color: white;
}

.dropdown-item:hover svg {
  color: white;
  fill: white;
}

.dropdown-item.detected {
  background: var(--accent-color);
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: white;
}

.dropdown-item.detected .dropdown-item-desc {
  color: rgba(255, 255, 255, 0.8);
}

.dropdown-item.detected svg {
  fill: white;
}

.dropdown-item.detected:hover {
  filter: brightness(1.1);
  transform: translateX(4px);
}

.dropdown-item svg {
  flex-shrink: 0;
  color: var(--text-secondary);
  fill: var(--text-secondary);
  transition: all 0.2s ease;
}

.dropdown-item-text {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.dropdown-item-title {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.platform-badge {
  display: none;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 50px;
  background: var(--accent-color);
  color: white;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.dropdown-item.detected .platform-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.25);
}

.dropdown-divider {
  height: 1px;
  background: var(--glass-border);
  margin: 0.35rem 0.5rem;
}

/* Mobile dropdown */
@media (max-width: 768px) {
  .dropdown-menu {
    min-width: 280px;
    left: 50%;
    transform: translateX(-50%) scale(0.95);
  }

  .download-dropdown.open .dropdown-menu {
    transform: translateX(-50%) scale(1);
  }
}