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

:root, [data-theme="light"] {
  color-scheme: light;

  /* Color Palette - Light Mode */
  --bg-color: #F7F9F8;
  --card-bg: #FFFFFF;
  --card-hover-bg: #FAFCFB;
  --card-border: #E2E8E2;
  --border-color: #E2E8E2;

  --text-primary: #1A2A1E;
  --text-secondary: #2C4A36;
  --text-muted: #5A6B5A;

  --accent-color: #6B9E7A;
  --accent-hover: #578564;
  --accent-bg-subtle: rgba(107, 158, 122, 0.12);
  --accent-glow: rgba(107, 158, 122, 0.25);

  --dark-green: #2C4A36;
  --success-green: #4CAF50;

  --surface-subtle: #EEF3F0;
  --surface-muted: #E2E8E2;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --shadow-hover: rgba(44, 74, 54, 0.14);
  --glass-bg: rgba(247, 249, 248, 0.92);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s ease;
  --theme-transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="dark"] {
  color-scheme: dark;

  /* Color Palette - Dark Mode */
  --bg-color: #121814;
  --card-bg: #1C241C;
  --card-hover-bg: #242E24;
  --card-border: #2C382A;
  --border-color: #2C382A;

  --text-primary: #EDF2EB;
  --text-secondary: #BDC5B3;
  --text-muted: #7D8A77;

  --accent-color: #8A9B6E;
  --accent-hover: #9DB07D;
  --accent-bg-subtle: rgba(138, 155, 110, 0.15);
  --accent-glow: rgba(138, 155, 110, 0.3);

  --dark-green: #6B9E7A;
  --success-green: #4CAF50;

  --surface-subtle: #161C16;
  --surface-muted: #263226;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --shadow-hover: rgba(0, 0, 0, 0.6);
  --glass-bg: rgba(18, 24, 20, 0.92);
}

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

/* Global Accessibility Focus-Visible Styles */
:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
  border-radius: 4px;
}

html {
  scroll-behavior: smooth;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: var(--theme-transition);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-color);
  color: var(--text-primary);
  overflow-x: hidden;
  transition: var(--theme-transition);
}

/* Global Interactive Cursor & Active State Feedback */
a, button, .btn, input, select, summary {
  cursor: pointer;
}

/* Lucide Icons & Custom Icon Styling */
[data-lucide], svg.lucide, .icon-svg {
  stroke: var(--accent-color);
  stroke-width: 1.5;
  width: 24px;
  height: 24px;
  display: inline-block;
  vertical-align: middle;
  transition: var(--theme-transition);
}

.feature-icon-bubble [data-lucide], .feature-icon-bubble svg.lucide, .feature-icon-bubble .icon-svg,
.showcase-icon-bubble [data-lucide], .showcase-icon-bubble svg.lucide, .showcase-icon-bubble .icon-svg {
  width: 28px;
  height: 28px;
}

.trust-item [data-lucide], .trust-item svg.lucide, .trust-item .icon-svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.stat-icon [data-lucide], .stat-icon svg.lucide, .stat-icon .icon-svg {
  width: 32px;
  height: 32px;
}

.hero-badge [data-lucide], .hero-badge svg.lucide, .hero-badge .icon-svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-right: 6px;
}

.badge-free [data-lucide], .badge-free svg.lucide, .badge-free .icon-svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-right: 4px;
}

.btn [data-lucide], .btn svg.lucide, .btn .icon-svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  margin-right: 6px;
}

.audio-play-btn [data-lucide], .audio-play-btn svg.lucide, .audio-play-btn .icon-svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-color);
}

.stat-item [data-lucide], .stat-item svg.lucide, .stat-item .icon-svg {
  width: 28px;
  height: 28px;
}

button:active, .btn:active, .mockup-btn:active, .theme-toggle-btn:active, .lang-toggle-btn:active {
  transform: scale(0.96) !important;
}

/* Scroll Progress Indicator */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background-color: var(--accent-color);
  width: 0%;
  z-index: 1001;
  border-radius: var(--radius-full);
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px var(--accent-glow);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button {
  font-family: inherit;
  border: none;
  background: none;
}

/* Layout Utilities & Container Width Overhaul */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--theme-transition);
}

/* Navigation Overlay Backdrop */
#nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 999;
  will-change: opacity;
}

#nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  position: relative;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--dark-green);
  letter-spacing: -0.02em;
  transition: font-size 0.2s ease, gap 0.2s ease;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin-left: 40px;
}

.nav-cta-item {
  display: flex;
  align-items: center;
}

.desktop-cta {
  display: inline-flex;
  white-space: nowrap;
}

.mobile-cta {
  display: none !important;
}

.nav-link {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--theme-transition);
}

.nav-link:hover {
  color: var(--accent-color);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* Buttons & Soft Pulse Animation */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1rem;
  padding: 12px 24px;
  min-height: 48px;
  border-radius: var(--radius-full);
  transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px) scale(1.05);
}

.btn-primary {
  background-color: var(--accent-color);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(107, 158, 122, 0.35);
  animation: softPulse 3s ease-in-out infinite;
}

@keyframes softPulse {
  0%, 100% {
    box-shadow: 0 6px 20px rgba(107, 158, 122, 0.35);
  }
  50% {
    box-shadow: 0 8px 30px rgba(107, 158, 122, 0.65);
  }
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  animation-play-state: paused;
}

.btn-secondary {
  background-color: var(--card-bg);
  color: var(--dark-green);
  border: 2px solid var(--border-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.btn-secondary:hover {
  background-color: var(--surface-subtle);
  border-color: var(--accent-color);
  color: var(--dark-green);
}

.btn-lg {
  padding: 16px 36px;
  min-height: 56px;
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: var(--radius-full);
}

/* Mobile Nav Controls & Theme Toggle */
.theme-toggle-btn {
  padding: 8px 12px;
  min-height: 44px;
  min-width: 44px;
  border-radius: var(--radius-full);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: transform 0.3s ease, var(--theme-transition);
  box-shadow: 0 2px 8px var(--shadow-color);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-color);
  transform: scale(1.1);
}

/* Sliding Language Toggle Pill Mechanism */
.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  position: relative;
  padding: 3px;
  min-height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  transition: var(--theme-transition);
  user-select: none;
  box-shadow: 0 2px 8px var(--shadow-color);
}

.lang-toggle-btn::after {
  content: '';
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  background-color: var(--accent-color);
  border-radius: var(--radius-full);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 8px var(--accent-glow);
  z-index: 0;
}

.lang-toggle-btn.is-vi::after,
[data-lang="vi"] .lang-toggle-btn::after {
  transform: translateX(100%);
}

.lang-toggle-btn:hover,
.lang-toggle-btn:focus-visible {
  border-color: var(--accent-color);
}

.lang-opt {
  position: relative;
  z-index: 1;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.lang-opt.active {
  color: #FFFFFF;
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  min-height: 44px;
  min-width: 44px;
  transition: transform 0.3s ease;
  will-change: transform;
}

.mobile-toggle.active {
  transform: scale(1.15) rotate(90deg);
}

/* Hero Section & Breathing Glow */
.hero-section {
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--bg-color));
  pointer-events: none;
  transition: var(--theme-transition);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 35%;
  left: 50%;
  width: 550px;
  height: 420px;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(107, 158, 122, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%) scale(0.9);
  animation: breathingGlow 5s ease-in-out infinite alternate;
}

@keyframes breathingGlow {
  0% {
    transform: translate(-50%, -50%) scale(0.85);
    opacity: 0.35;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.85;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--dark-green);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px var(--shadow-color);
  transition: var(--theme-transition);
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  max-width: 860px;
  margin: 0 auto 16px;
  transition: var(--theme-transition);
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.4rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 28px;
  font-weight: 600;
  line-height: 1.6;
  transition: var(--theme-transition);
  position: relative;
  z-index: 1;
}

.trust-bar {
  display: inline-flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 24px 40px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 14px 28px;
  box-shadow: 0 8px 24px var(--shadow-color);
  max-width: 900px;
  margin: 0 auto 32px;
  transition: var(--theme-transition);
  position: relative;
  z-index: 1;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--theme-transition);
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 700px;
  margin: 0 auto 40px;
  position: relative;
  z-index: 1;
}

.hero-buttons-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.badge-free {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

/* Floating Elements & Mockup Section Overhaul */
.hero-visual-wrapper {
  margin-top: 50px;
  position: relative;
  animation: floatMockup 5s ease-in-out infinite alternate;
}

@keyframes floatMockup {
  0% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(10px);
  }
}

.mockup-window {
  background-color: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px var(--shadow-hover);
  overflow: hidden;
  max-width: 960px;
  margin: 0 auto 40px;
  text-align: left;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal), var(--theme-transition);
}

.mockup-header {
  background-color: var(--surface-subtle);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  transition: var(--theme-transition);
}

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

.mockup-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background-color: #FF6B6B; }
.dot-yellow { background-color: #FFD166; }
.dot-green { background-color: #06D6A0; }

.mockup-address-bar {
  flex: 1;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 5px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  transition: var(--theme-transition);
}

.mockup-body {
  padding: 36px;
  background-color: var(--bg-color);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
  transition: var(--theme-transition);
}

.mockup-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: 0 12px 36px var(--shadow-color);
  transition: var(--theme-transition);
  animation: floatWordCard 4.5s ease-in-out infinite alternate;
}

@keyframes floatWordCard {
  0% {
    transform: translateY(-6px);
  }
  100% {
    transform: translateY(6px);
  }
}

.mockup-word {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--dark-green);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  transition: var(--theme-transition);
}

.audio-play-btn {
  font-size: 1.3rem;
  color: var(--accent-color);
  background: none;
  border: none;
  padding: 4px;
  min-height: 44px;
  min-width: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
}

.audio-play-btn:hover {
  transform: scale(1.15);
  color: var(--dark-green);
}

.mockup-phonetic {
  font-size: 1.05rem;
  color: var(--accent-color);
  margin-bottom: 12px;
  font-weight: 700;
  transition: var(--theme-transition);
}

.mockup-meaning {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.6;
  font-weight: 600;
  transition: var(--theme-transition);
}

.mockup-vn {
  background: var(--accent-bg-subtle);
  color: var(--dark-green);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  margin-top: 6px;
  display: inline-block;
  transition: var(--theme-transition);
}

.mockup-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.mockup-btn {
  flex: 1;
  padding: 12px;
  min-height: 44px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
  transition: transform 0.3s ease, background-color 0.3s ease, var(--theme-transition);
}

.mockup-btn:hover {
  transform: translateY(-2px);
  filter: brightness(0.95);
}

.mockup-stats {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stat-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 16px var(--shadow-color);
  transition: var(--theme-transition);
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent-color);
  transition: var(--theme-transition);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--theme-transition);
}

/* Scroll-triggered Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Features Section & Hover Micro-Interactions */
.section {
  padding: 80px 0;
  transition: var(--theme-transition);
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--dark-green);
  transition: var(--theme-transition);
}

.section-subtitle {
  text-align: center;
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  font-weight: 600;
  transition: var(--theme-transition);
}

.features-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card-warm {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: 0 8px 24px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, var(--theme-transition);
  display: flex;
  flex-direction: column;
}

.feature-card-warm:hover {
  transform: translateY(-8px);
  border-color: var(--accent-color);
  box-shadow: 0 20px 40px var(--shadow-hover);
}

.feature-icon-bubble {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background-color: var(--surface-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--theme-transition);
}

.feature-title-warm {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: var(--dark-green);
  transition: var(--theme-transition);
}

.feature-desc-warm {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 600;
  transition: var(--theme-transition);
}

/* Practice Modes Showcase (3 cards) */
.showcase-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.showcase-card-warm {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: 0 8px 24px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, var(--theme-transition);
  display: flex;
  flex-direction: column;
}

.showcase-card-warm:hover {
  transform: translateY(-8px);
  border-color: var(--accent-color);
  box-shadow: 0 20px 40px var(--shadow-hover);
}

.showcase-icon-bubble {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background-color: var(--accent-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--theme-transition);
}

.showcase-title-warm {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: var(--dark-green);
  transition: var(--theme-transition);
}

.showcase-desc-warm {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 600;
  transition: var(--theme-transition);
}

/* Stats / Social Proof Section */
.stats-section {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 70px 0;
  transition: var(--theme-transition);
}

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

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.stat-value {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--dark-green);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  transition: var(--theme-transition);
}

.stat-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-muted);
  max-width: 240px;
  transition: var(--theme-transition);
}

/* Privacy Policy Dedicated Redesign Styles */
.privacy-wrapper {
  padding: 60px 0 90px;
}

.privacy-hero-banner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 36px;
}

.privacy-main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: var(--dark-green);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  transition: var(--theme-transition);
}

.privacy-date-pill {
  display: inline-block;
  background-color: var(--surface-subtle);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
  transition: var(--theme-transition);
}

.privacy-summary-card {
  background: var(--accent-bg-subtle);
  border: 1.5px solid var(--accent-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark-green);
  line-height: 1.65;
  box-shadow: 0 6px 20px var(--accent-glow);
  transition: var(--theme-transition);
}

.privacy-content-card {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px var(--shadow-color);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: var(--theme-transition);
}

.privacy-content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--accent-color), var(--dark-green));
}

.privacy-section-item {
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px dashed var(--border-color);
  transition: var(--theme-transition);
}

.privacy-section-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.privacy-section-title {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--dark-green);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--theme-transition);
}

.privacy-section-body {
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.75;
  font-weight: 600;
  transition: var(--theme-transition);
}

.privacy-section-body p {
  margin-bottom: 14px;
}

.privacy-section-body p:last-child {
  margin-bottom: 0;
}

.privacy-section-body code {
  background-color: var(--surface-subtle);
  color: var(--accent-color);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.95em;
  font-weight: 700;
}

/* Footer */
.footer {
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px;
  transition: var(--theme-transition);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--dark-green);
  transition: var(--theme-transition);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.footer-link {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--theme-transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  flex-wrap: wrap;
  gap: 12px;
  transition: var(--theme-transition);
}

/* Responsive Navigation Drawer & Breakpoints (<= 768px) */
@media (max-width: 900px) {
  .features-grid-3, .showcase-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    margin-left: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px var(--shadow-hover);
    transform: translateY(-10%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    will-change: transform, opacity;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .desktop-cta {
    display: none !important;
  }

  .mobile-cta {
    display: flex !important;
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 14px 20px;
  }

  .trust-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    max-width: 100%;
  }

  .trust-item {
    white-space: nowrap;
  }

  .hero-buttons-wrapper {
    flex-direction: column;
    width: 100%;
    gap: 14px;
  }

  .hero-buttons-wrapper .btn {
    width: 100%;
    text-align: center;
  }

  .mobile-toggle {
    display: block;
  }

  .privacy-content-card {
    padding: 32px 24px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .brand-logo {
    font-size: 1.1rem;
    gap: 6px;
  }

  .nav-actions {
    gap: 8px;
  }

  .hero-section {
    padding: 60px 0 40px;
  }

  .trust-bar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
  }

  .trust-item {
    font-size: 0.8rem;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 14px;
  }

  .mockup-body {
    grid-template-columns: 1fr;
  }

  .mockup-word {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* Mobile-First Overrides (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .brand-logo {
    font-size: 1rem;
  }

  .hero-section {
    padding: 40px 0 30px;
  }

  .hero-title {
    font-size: 2rem;
    margin-bottom: 16px;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .hero-cta-group {
    width: 100%;
  }

  .hero-buttons-wrapper {
    width: 100%;
    gap: 12px;
  }

  .hero-buttons-wrapper .btn {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
  }

  .badge-free {
    margin-left: 0;
  }

  .trust-bar {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px;
    border-radius: var(--radius-md);
  }

  .trust-item {
    font-size: 0.75rem;
  }

  .mockup-window {
    margin: 0 -8px 30px;
    border-radius: var(--radius-md);
  }

  .mockup-body {
    padding: 16px;
    gap: 16px;
  }

  .mockup-word {
    font-size: 1.2rem;
    flex-wrap: wrap;
    gap: 8px;
  }

  .mockup-actions {
    flex-direction: column;
    gap: 8px;
  }

  .mockup-actions .mockup-btn {
    width: 100%;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 12px;
  }

  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 32px;
  }
}