/* ==========================================================================
   Money Plus Landing Website — Design System & Stylesheet
   Identity: Dark Navy & Emerald/Mint Fintech Aesthetic
   Engineered by KRYVLANCE
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  /* Brand Colors */
  --bg-primary: #080D1A;
  --bg-secondary: #0D1527;
  --bg-card: rgba(16, 26, 46, 0.75);
  --bg-card-hover: rgba(22, 36, 64, 0.85);
  --bg-glass: rgba(13, 21, 39, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(16, 185, 129, 0.3);
  --border-card: rgba(255, 255, 255, 0.1);

  /* Accents */
  --accent-primary: #10B981;       /* Vibrant Mint / Emerald */
  --accent-primary-hover: #34D399; /* Light Mint */
  --accent-secondary: #06B6D4;     /* Crisp Cyan */
  --accent-glow: rgba(16, 185, 129, 0.25);
  --accent-subtle: rgba(16, 185, 129, 0.12);

  /* Semantic */
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;

  /* Typography Colors */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #080D1A;

  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Elevations */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 0 35px -10px var(--accent-glow);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.35);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Sizing & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.15), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 60%, rgba(6, 182, 212, 0.08), transparent 60%);
  background-attachment: fixed;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--accent-primary);
  color: var(--text-inverse);
  padding: 12px 20px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
  text-decoration: none;
}
.skip-link:focus {
  top: 20px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.4rem, 5vw + 1rem, 4.2rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw + 0.5rem, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw + 0.5rem, 1.65rem);
}

p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.2vw + 0.1rem, 1.125rem);
}

.gradient-text {
  background: linear-gradient(135deg, #10B981 0%, #34D399 40%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  background: var(--accent-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-highlight);
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-header p {
  margin-top: 16px;
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #059669 100%);
  color: #042416;
  font-weight: 700;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-primary-hover) 0%, var(--accent-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon-wrapper {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #10B981 0%, #064E3B 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--accent-glow);
  padding: 2px;
}

.brand-icon-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 4px;
}

.brand-name .plus-badge {
  color: var(--accent-primary);
}

.brand-name .beta-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: #34D399;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  margin-left: 4px;
}

.brand-tagline {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

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

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

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

/* --- Hero Section --- */
.hero-section {
  padding: 90px 0 100px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--border-highlight);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
  max-width: 540px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.highlight-item i {
  color: var(--accent-primary);
  font-size: 1.1rem;
}

/* Hero Mockup Preview */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.mockup-container {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border-radius: 36px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  position: relative;
  backdrop-filter: blur(20px);
}

.mockup-device-frame {
  background: #000000;
  border-radius: 28px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.8);
}

.device-header-notch {
  height: 28px;
  background: #000000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  font-size: 0.75rem;
  color: #a0aec0;
}

.device-screen-content {
  padding: 16px;
  background: #0B1320;
}

/* Authentic Mobile Mockup UI */
.mockup-user-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.mockup-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mockup-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #1E3A2F;
  color: #34D399;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.mockup-greeting {
  font-size: 0.75rem;
  color: #94A3B8;
}

.mockup-username {
  font-size: 0.9rem;
  font-weight: 700;
  color: #F8FAFC;
}

.mockup-vault-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.mockup-balance-card {
  background: linear-gradient(135deg, #0e2a1e 0%, #061811 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}

.mockup-balance-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #93C5FD;
}

.mockup-balance-amount {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: #FFFFFF;
  margin: 6px 0;
}

.mockup-balance-sub {
  font-size: 0.75rem;
  color: #F87171;
  display: flex;
  align-items: center;
  gap: 4px;
}

.mockup-card-tile {
  background: #111C2E;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 12px;
}

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

.mockup-card-bank {
  font-size: 0.85rem;
  font-weight: 700;
  color: #F1F5F9;
}

.mockup-card-number {
  font-size: 0.75rem;
  color: #64748B;
  font-family: var(--font-mono);
}

.mockup-card-metrics {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 6px;
}

.mockup-card-metrics strong {
  color: #F8FAFC;
}

.mockup-quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 14px;
  text-align: center;
}

.mockup-action-btn {
  background: #132035;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 10px 4px;
  font-size: 0.7rem;
  color: #94A3B8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.mockup-action-btn i {
  font-size: 0.95rem;
  color: var(--accent-primary);
}

.mockup-caption-tag {
  text-align: center;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-highlight);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Floating Badges */
.floating-glass-badge {
  position: absolute;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: rgba(13, 21, 39, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-highlight);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 10;
}

.badge-top-left {
  top: 10%;
  left: -20px;
  color: #34D399;
}

.badge-bottom-right {
  bottom: 8%;
  right: -25px;
  color: #60A5FA;
}

/* --- Core Principles Section --- */
.principles-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  position: relative;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.principle-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
}

.principle-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-highlight);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.principle-card h3 {
  margin-bottom: 14px;
}

.principle-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- Features Section --- */
.features-section {
  padding: 100px 0;
  position: relative;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.925rem;
  line-height: 1.6;
}

.feature-tag {
  margin-top: auto;
  padding-top: 18px;
  font-size: 0.775rem;
  font-family: var(--font-mono);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- Visual Showcase Showcase Section --- */
.showcase-section {
  padding: 90px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.showcase-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.showcase-tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.showcase-tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.showcase-tab-btn.active {
  background: var(--accent-primary);
  color: #042416;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 15px var(--accent-glow);
}

.showcase-display {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.showcase-preview-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  aspect-ratio: 16 / 10;
  background: #000;
}

.showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
  transition: opacity var(--transition-normal);
}

.showcase-img.active {
  display: block;
}

.showcase-caption {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* --- Security & Privacy Section --- */
.security-section {
  padding: 100px 0;
  position: relative;
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.security-box {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-glow);
}

.security-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.security-layer {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
}

.layer-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.layer-details h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.layer-details p {
  font-size: 0.85rem;
  line-height: 1.5;
}

.honest-disclosure-card {
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 24px;
}

.honest-disclosure-card h4 {
  color: #FBBF24;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.honest-disclosure-card p {
  font-size: 0.9rem;
  color: #E2E8F0;
  line-height: 1.6;
}

/* --- FAQ Section --- */
.faq-section {
  padding: 90px 0;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-highlight);
  background: rgba(16, 26, 46, 0.9);
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--accent-primary);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  background: var(--accent-primary);
  color: #042416;
}

.faq-answer {
  padding: 0 24px 22px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 16px;
}

/* --- Download / Release Candidate CTA Section --- */
.download-section {
  padding: 100px 0;
  position: relative;
  text-align: center;
}

.download-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.download-banner h2 {
  margin-bottom: 16px;
}

.download-banner p {
  max-width: 620px;
  margin: 0 auto 32px auto;
  font-size: 1.1rem;
}

.download-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--text-secondary);
  margin-top: 24px;
}

/* --- Contact & Support Section --- */
.contact-section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.contact-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.contact-card h3 {
  margin-bottom: 12px;
}

.contact-card p {
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.contact-methods {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.contact-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-highlight);
  color: var(--accent-primary);
}

/* --- Footer --- */
.site-footer {
  padding: 60px 0 30px 0;
  background: #040812;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.875rem;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* --- Modal Dialogs (Accessible Native Dialog) --- */
dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #0E1729;
  color: var(--text-primary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 580px;
  width: calc(100% - 40px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px var(--accent-glow);
  z-index: 1000;
}

dialog::backdrop {
  background: rgba(4, 8, 18, 0.85);
  backdrop-filter: blur(12px);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  margin-bottom: 24px;
}

.checksum-box {
  background: #060B15;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  word-break: break-all;
  color: #34D399;
  margin: 14px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.btn-copy {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.btn-copy:hover {
  background: var(--accent-primary);
  color: #042416;
}

.legal-stage-notice {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #FBBF24;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.4;
}

.legal-section-tag {
  display: inline-block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #F87171;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: 6px;
  margin-bottom: 6px;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-highlights {
    margin: 0 auto;
  }

  .principles-grid, .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #090F1E;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
    gap: 20px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-120%);
    transition: transform var(--transition-normal);
    z-index: 99;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-actions {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .principles-grid, .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .floating-glass-badge {
    display: none;
  }
}