/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables & Theme Setup */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Color Palette (Modern Dark Theme) */
  --bg-primary: hsl(222, 47%, 4%);
  --bg-secondary: hsl(222, 47%, 7%);
  --bg-card: rgba(15, 23, 42, 0.45);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.15);
  
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 20%, 75%);
  --text-muted: hsl(215, 16%, 50%);
  
  --accent-violet: hsl(263, 84%, 62%);
  --accent-cyan: hsl(190, 90%, 50%);
  --accent-blue: hsl(217, 91%, 60%);
  --accent-gradient: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-cyan) 100%);
  
  /* Status Colors */
  --status-online: hsl(142, 70%, 50%);
  --status-offline: hsl(346, 80%, 55%);
  --status-warning: hsl(38, 92%, 50%);
  --status-syncing: hsl(199, 89%, 48%);
  
  /* System Spacing & Transitions */
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
  --border-radius-sm: 8px;
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --glow-shadow: 0 0 30px rgba(99, 102, 241, 0.15);
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gradient);
}

/* Decorative Background Gradients */
.bg-glow-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -10;
  overflow: hidden;
  pointer-events: none;
}

.glow-mesh-1 {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  animation: float 20s infinite alternate;
}

.glow-mesh-2 {
  position: absolute;
  top: 40%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  animation: float-reverse 25s infinite alternate;
}

.glow-mesh-3 {
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(100px);
}

/* Typography Utilities */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.badge-glow {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.1);
  color: var(--accent-cyan);
}

.badge-glow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10, 15, 30, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(10, 15, 30, 0.9);
  padding: 12px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

/* Hero Section */
.hero {
  padding: 160px 0 100px 0;
  position: relative;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto 60px auto;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* Glass Card / Dashboard Mockup (Hero) */
.hero-mockup-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--border-radius-lg);
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  box-shadow: var(--glow-shadow);
  transform: perspective(1000px) rotateX(5deg);
  transition: var(--transition-smooth);
}

.hero-mockup-wrapper:hover {
  transform: perspective(1000px) rotateX(0deg) translateY(-8px);
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.25);
}

.dashboard-mockup {
  width: 100%;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  display: grid;
  grid-template-columns: 200px 1fr;
  height: 520px;
}

/* Mockup Sidebar */
.mockup-sidebar {
  background: rgba(10, 15, 30, 0.5);
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  text-align: left;
}

.mockup-sidebar-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}

.sidebar-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.sidebar-menu-item.active {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-cyan);
  border-left: 3px solid var(--accent-cyan);
}

/* Mockup Content Area */
.mockup-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: left;
  overflow-y: auto;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-title {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Mockup Stats Grid */
.mockup-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.mockup-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.mockup-stat-val {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.stat-green { color: var(--status-online); }
.stat-rose { color: var(--status-offline); }
.stat-violet { color: var(--accent-violet); }

/* Mockup Chart */
.mockup-chart-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  height: 220px;
}

.mockup-chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mockup-chart-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mockup-chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 140px;
  padding-top: 10px;
}

.mockup-chart-bar {
  width: 32px;
  background: var(--accent-gradient);
  border-radius: 4px 4px 0 0;
  min-height: 10px;
  animation: growBar 1.5s ease-out forwards;
  position: relative;
}

.mockup-chart-bar::after {
  content: attr(data-label);
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.mockup-recent-alerts {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-alert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  padding: 8px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.02);
}

.alert-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Stats Section */
.stats-section {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-y: 1px solid var(--border-color);
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: 8px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-title {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Interactive Simulator Section */
.simulator-section {
  padding: 100px 0;
}

.simulator-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.simulator-container {
  min-height: 550px;
  background: rgba(15, 23, 42, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
  position: relative;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.4s ease-in-out forwards;
}

.tab-pane.active {
  display: block;
}

/* Tab 1: Device Monitoring Grid */
.device-mon-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 24px;
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.device-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.device-card:hover, .device-card.active {
  border-color: var(--accent-violet);
  background: rgba(99, 102, 241, 0.05);
}

.device-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.device-name {
  font-weight: 600;
  font-size: 1rem;
}

.device-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background: var(--status-online);
  box-shadow: 0 0 8px var(--status-online);
}

.status-dot.offline {
  background: var(--status-offline);
  box-shadow: 0 0 8px var(--status-offline);
}

.device-card-details {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Preview Screen Panel (Device Details & Screen Mockup) */
.device-preview-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.preview-screen-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-screen {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--border-radius-sm);
  border: 6px solid #1e293b;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-screen-content {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mock-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.mock-screen-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent 40%, transparent 80%, rgba(0,0,0,0.5));
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px;
}

.mock-badge {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  align-self: flex-start;
}

.mock-running-text {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 0;
  text-align: center;
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
}

.mock-running-text-inner {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 15s linear infinite;
}

.device-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.action-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.action-btn:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-violet);
  color: var(--accent-cyan);
}

/* Tab 2: Playlist Editor */
.playlist-editor-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.playlist-builder {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 20px;
}

.playlist-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
  min-height: 250px;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  cursor: grab;
  transition: var(--transition-smooth);
}

.timeline-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.01);
}

.timeline-drag-handle {
  color: var(--text-muted);
  cursor: grab;
}

.timeline-thumb {
  width: 48px;
  height: 32px;
  border-radius: 4px;
  background: #1e293b;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--text-muted);
}

.timeline-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline-info {
  flex-grow: 1;
}

.timeline-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.timeline-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.timeline-duration-badge {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Tab 3: Scheduler Preview */
.scheduler-view {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
}

.scheduler-calendar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 20px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.calendar-header-day {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
  padding-bottom: 8px;
}

.calendar-day {
  aspect-ratio: 1;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.01);
  padding: 6px;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calendar-day.active-schedule {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.05);
}

.calendar-schedule-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  align-self: center;
  box-shadow: 0 0 6px var(--accent-cyan);
}

.schedule-details-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.schedule-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.schedule-time-badge {
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

/* Feature Grid Section */
.features-section {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 40px 32px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--glow-shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  font-size: 1.5rem;
}

.feature-card-title {
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.feature-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Android Ecosystem Section */
.android-section {
  padding: 100px 0;
}

.android-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.android-visual-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.android-device-mockup {
  width: 280px;
  height: 570px;
  background: #000;
  border-radius: 40px;
  border: 12px solid #1e293b;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}

.android-device-screen {
  width: 100%;
  height: 100%;
  background: #090d16;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.android-status-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.android-player-app {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}

.player-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-primary);
  font-size: 2.5rem;
  animation: pulse-glow 2s infinite;
}

.player-status-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.player-progress-container {
  width: 100%;
  background: rgba(255,255,255,0.05);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 10px;
}

.player-progress-bar {
  width: 65%;
  height: 100%;
  background: var(--accent-gradient);
}

.android-feature-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.android-feature-item {
  display: flex;
  gap: 20px;
}

.android-feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.android-feature-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.android-feature-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ROI / Display Calculator */
.calc-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.calc-controls {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.input-group {
  margin-bottom: 32px;
}

.input-label {
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.input-value-highlight {
  color: var(--accent-cyan);
  font-weight: 700;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  cursor: pointer;
  transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.result-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition-smooth);
}

.result-card.highlight {
  border-color: var(--accent-violet);
  background: rgba(99, 102, 241, 0.03);
  box-shadow: var(--glow-shadow);
}

.result-number {
  font-size: 2.75rem;
  font-weight: 800;
  font-family: var(--font-heading);
  margin-bottom: 8px;
  color: var(--text-primary);
}

.result-number-glow {
  color: var(--accent-cyan);
  text-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
}

.result-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* FAQ Accordion Section */
.faq-section {
  padding: 100px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-item.active {
  border-color: var(--border-glow);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.05);
}

.faq-header {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 600;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer {
  padding: 0 24px 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Footer */
.footer {
  background: rgba(10, 15, 30, 0.95);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-desc {
  color: var(--text-secondary);
  max-width: 300px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-links-title {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  color: var(--accent-cyan);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
  color: var(--text-muted);
}

.tech-stack-badges {
  display: flex;
  gap: 12px;
  align-items: center;
}

.tech-tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Custom Keyframe Animations */
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes float-reverse {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(15px) rotate(-2deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
  70% { box-shadow: 0 0 0 20px rgba(99, 102, 241, 0); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

@keyframes growBar {
  from { height: 0; }
  to { height: var(--target-height); }
}

@keyframes marquee {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-100%, 0, 0); }
}

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

.fade-in-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsiveness adjustments */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-grid { grid-template-columns: 1fr; }
  .android-grid { grid-template-columns: 1fr; gap: 40px; }
  .android-visual-wrapper { order: -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; } /* Mobile navbar toggle omitted for simplicity, or we can add a mobile menu */
  .hero-title { font-size: 2.25rem; }
  .hero-subtitle { font-size: 1.1rem; }
  .hero-actions { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto; }
  .dashboard-mockup { grid-template-columns: 1fr; height: auto; }
  .mockup-sidebar { display: none; }
  .mockup-chart-row { grid-template-columns: 1fr; height: auto; }
  .mockup-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .device-mon-grid { grid-template-columns: 1fr; }
  .playlist-editor-view { grid-template-columns: 1fr; }
  .scheduler-view { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .calc-results { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}