/* ===== CSS Variables ===== */
:root {
  --primary: #7C3AED;
  --primary-light: #A78BFA;
  --secondary: #2563EB;
  --accent: #06B6D4;
  --success: #10B981;
  --warning: #F59E0B;
  
  --bg-primary: #0A0A0F;
  --bg-secondary: #12121A;
  --bg-tertiary: #1A1A25;
  --bg-card: #161620;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.04);
  
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-text: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.15);
  
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* ===== Language Switcher ===== */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

.lang-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 140px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-base);
  z-index: 1001;
}

.lang-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-option:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.lang-option.active {
  background: var(--gradient-primary);
  color: white;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-dark {
  background-color: var(--bg-secondary);
}

.section-header {
  margin-bottom: 64px;
}

.section-header.center {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--gradient-primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-top: 16px;
  line-height: 1.7;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo svg {
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: var(--primary);
  top: -200px;
  right: -100px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary);
  bottom: -100px;
  left: -100px;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-subtitle strong {
  color: var(--text-primary);
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-platforms {
  display: flex;
  align-items: center;
  gap: 16px;
}

.platform-label {
  font-size: 14px;
  color: var(--text-muted);
}

.platform-icons {
  display: flex;
  gap: 12px;
}

.platform-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.platform-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-color);
  background: var(--border-color);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: bounce 2s infinite;
}

.mouse {
  width: 24px;
  height: 36px;
  border: 2px solid var(--text-muted);
  border-radius: var(--radius-full);
  position: relative;
}

.wheel {
  width: 4px;
  height: 6px;
  background: var(--text-muted);
  border-radius: var(--radius-full);
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll-wheel {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 20px; }
}

/* ===== Demo Section ===== */
.demo-section {
  padding: 0 0 80px;
}

.demo-visual {
  display: flex;
  justify-content: center;
}

.demo-card {
  width: 100%;
  max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.demo-dots {
  display: flex;
  gap: 6px;
}

.demo-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.demo-dots span:nth-child(1) { background: #EF4444; }
.demo-dots span:nth-child(2) { background: #F59E0B; }
.demo-dots span:nth-child(3) { background: #10B981; }

.demo-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.demo-body {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.waveform {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 80px;
}

.wave-bar {
  width: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  animation: wave 1.2s ease-in-out infinite;
}

.wave-bar:nth-child(1) { height: 20%; animation-delay: 0s; }
.wave-bar:nth-child(2) { height: 45%; animation-delay: 0.1s; }
.wave-bar:nth-child(3) { height: 70%; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 55%; animation-delay: 0.3s; }
.wave-bar:nth-child(5) { height: 85%; animation-delay: 0.4s; }
.wave-bar:nth-child(6) { height: 60%; animation-delay: 0.5s; }
.wave-bar:nth-child(7) { height: 40%; animation-delay: 0.6s; }
.wave-bar:nth-child(8) { height: 75%; animation-delay: 0.7s; }
.wave-bar:nth-child(9) { height: 50%; animation-delay: 0.8s; }
.wave-bar:nth-child(10) { height: 90%; animation-delay: 0.9s; }
.wave-bar:nth-child(11) { height: 65%; animation-delay: 1.0s; }
.wave-bar:nth-child(12) { height: 35%; animation-delay: 1.1s; }
.wave-bar:nth-child(13) { height: 80%; animation-delay: 0.05s; }
.wave-bar:nth-child(14) { height: 55%; animation-delay: 0.15s; }
.wave-bar:nth-child(15) { height: 70%; animation-delay: 0.25s; }
.wave-bar:nth-child(16) { height: 45%; animation-delay: 0.35s; }
.wave-bar:nth-child(17) { height: 85%; animation-delay: 0.45s; }
.wave-bar:nth-child(18) { height: 60%; animation-delay: 0.55s; }
.wave-bar:nth-child(19) { height: 50%; animation-delay: 0.65s; }
.wave-bar:nth-child(20) { height: 75%; animation-delay: 0.75s; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.5); opacity: 0.6; }
  50% { transform: scaleY(1); opacity: 1; }
}

.demo-metric {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.metric-value {
  font-size: 56px;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.metric-unit {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ===== Feature Grid ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.2);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.icon-purple { background: rgba(124, 58, 237, 0.15); color: var(--primary-light); }
.icon-blue { background: rgba(37, 99, 235, 0.15); color: var(--secondary); }
.icon-green { background: rgba(16, 185, 129, 0.15); color: var(--success); }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Feature Rows ===== */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-row-content h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.feature-row-content p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.demo-text-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.text-before, .text-after {
  padding: 16px;
  border-radius: var(--radius-md);
}

.text-before {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.text-after {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.text-before .label, .text-after .label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.text-before .label { color: #EF4444; }
.text-after .label { color: var(--success); }

.text-before p, .text-after p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}

.text-after ol {
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-primary);
}

.arrow {
  text-align: center;
  font-size: 24px;
  color: var(--text-muted);
  font-weight: 700;
}

/* ===== Personalize Grid ===== */
.personalize-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.personalize-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
}

.personalize-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.2);
}

.personalize-image {
  margin-bottom: 24px;
}

.placeholder-img {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.personalize-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.personalize-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Translate Demo ===== */
.translate-demo {
  max-width: 640px;
  margin: 0 auto;
}

.translate-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.translate-header {
  padding: 16px 24px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.translate-lang {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.translate-body {
  padding: 24px;
}

.translate-input, .translate-output {
  padding: 20px;
  border-radius: var(--radius-md);
}

.translate-input {
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.15);
}

.translate-output {
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.translate-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  color: var(--text-muted);
}

.translate-input p, .translate-output p {
  font-size: 16px;
  line-height: 1.6;
  font-style: italic;
}

.translate-arrow {
  display: flex;
  justify-content: center;
  padding: 16px;
  color: var(--text-muted);
}

/* ===== Ask Grid ===== */
.ask-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ask-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
}

.ask-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.2);
}

.ask-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  color: white;
  margin-bottom: 20px;
}

.ask-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.ask-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Privacy ===== */
.privacy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.privacy-features {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 40px;
}

.privacy-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.privacy-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 2px;
}

.privacy-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.privacy-item p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.privacy-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.shield-card {
  position: relative;
  width: 240px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shield-icon {
  position: relative;
  z-index: 1;
}

.shield-pulse {
  position: absolute;
  inset: 0;
  border: 2px solid var(--primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse-ring 3s ease-out infinite;
}

.pulse-2 {
  animation-delay: 1.5s;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ===== Devices ===== */
.devices-showcase {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.device-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.device-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.device-icon:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.device-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ===== CTA Section ===== */
.cta-section {
  padding-bottom: 160px;
}

.cta-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 80px 48px;
  overflow: hidden;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-bg .orb-1 {
  width: 300px;
  height: 300px;
  top: -100px;
  left: -50px;
}

.cta-bg .orb-2 {
  width: 250px;
  height: 250px;
  bottom: -80px;
  right: -50px;
  background: var(--accent);
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-buttons {
  margin-bottom: 32px;
}

.cta-platforms {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 15px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 15px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .privacy-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .privacy-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    gap: 16px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .lang-btn span {
    display: none;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-row {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .feature-row.reverse {
    direction: ltr;
  }
  
  .personalize-grid {
    grid-template-columns: 1fr;
  }
  
  .ask-grid {
    grid-template-columns: 1fr;
  }
  
  .devices-showcase {
    gap: 24px;
  }
  
  .cta-card {
    padding: 48px 24px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 48px;
  }
  
  .footer-links {
    flex-wrap: wrap;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .demo-body {
    padding: 24px 16px;
  }
  
  .metric-value {
    font-size: 40px;
  }
}
