/* Silouder Tactical Dark Theme - GitHub Pages Styling */
:root {
  --bg-dark: #070B13;
  --bg-surface: #0F172A;
  --bg-elevated: #1E293B;
  --bg-highlight: #334155;
  --border-dim: #1E293B;
  --border-glow: rgba(0, 240, 255, 0.3);

  --cyber-cyan: #00F0FF;
  --cyber-cyan-dim: #0284C7;
  --cyber-cyan-glow: rgba(0, 240, 255, 0.2);
  --cyber-cyan-container: #082F49;

  --tactical-emerald: #10B981;
  --tactical-emerald-glow: rgba(16, 185, 129, 0.2);
  --tactical-emerald-container: #064E3B;

  --amber-alert: #F59E0B;
  --amber-alert-container: #78350F;

  --signal-red: #EF4444;
  --signal-red-container: #7F1D1D;

  --encrypted-purple: #A855F7;
  --tor-purple: #C084FC;
  --lora-blue: #38BDF8;
  --direct-green: #4ADE80;

  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.06) 0%, transparent 60%),
    radial-gradient(circle at 10% 30%, rgba(16, 185, 129, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 60%, rgba(168, 85, 247, 0.04) 0%, transparent 40%);
  background-attachment: fixed;
}

/* ==========================================================================
   Tactical Animated Texture Background System
   ========================================================================== */

/* 1. Ambient Shifting Auroras */
.aurora-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.aurora-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
  animation: floatAurora 22s ease-in-out infinite alternate;
}

.aurora-cyan {
  top: -15%;
  left: 20%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, #00F0FF, transparent 70%);
}

.aurora-purple {
  top: 35%;
  right: -10%;
  width: 48vw;
  height: 48vw;
  background: radial-gradient(circle, #A855F7, transparent 70%);
  animation-delay: -7s;
  animation-duration: 26s;
}

.aurora-emerald {
  bottom: -20%;
  left: 10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, #10B981, transparent 70%);
  animation-delay: -14s;
  animation-duration: 30s;
}

@keyframes floatAurora {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(35px, -30px) scale(1.12); }
  100% { transform: translate(-30px, 25px) scale(0.94); }
}

/* 2. Tactical Mesh Canvas */
.tactical-mesh-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

/* 3. Animated Drifting Cyber Grid */
.cyber-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: gridDrift 28s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridDrift {
  0% { background-position: 0 0; }
  100% { background-position: 40px 40px; }
}

/* 4. Tactical Scanline CRT Texture */
.tactical-scanline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.12),
    rgba(0, 0, 0, 0.12) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation Header */
header.site-header {
  position: sticky;
  top: 0;
  background: rgba(7, 11, 19, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 100;
  padding: 16px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--cyber-cyan-container);
  border: 1px solid var(--cyber-cyan);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyber-cyan);
  box-shadow: 0 0 16px var(--cyber-cyan-glow);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--cyber-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s, text-shadow 0.2s;
}

.nav-links a:hover {
  color: var(--cyber-cyan);
  text-shadow: 0 0 8px var(--cyber-cyan-glow);
}

.btn-nav-download {
  background: var(--cyber-cyan);
  color: #050B14 !important;
  font-weight: 700 !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.btn-nav-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.6) !important;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyber-cyan);
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tactical-emerald);
  box-shadow: 0 0 8px var(--tactical-emerald);
  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); 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 {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--cyber-cyan) 80%, var(--tactical-emerald) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--cyber-cyan);
  color: #050B14;
  font-weight: 800;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 240, 255, 0.7);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-highlight);
  border-color: var(--cyber-cyan-dim);
  color: var(--cyber-cyan);
}

/* F-Droid Tactical Distribution Button */
.btn-fdroid {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-primary);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  position: relative;
  backdrop-filter: blur(10px);
}

.btn-fdroid:hover {
  background: rgba(30, 41, 59, 0.95);
  border-color: #38BDF8;
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.fdroid-svg-icon {
  color: #38BDF8;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.btn-fdroid:hover .fdroid-svg-icon {
  transform: scale(1.1);
}

.btn-fdroid-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.15;
}

.btn-fdroid-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.btn-fdroid-main {
  font-size: 1.05rem;
  font-weight: 800;
  color: #F8FAFC;
  font-family: var(--font-sans);
}

.badge-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #FBBF24;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #F59E0B;
  box-shadow: 0 0 8px #F59E0B;
  animation: pulse 1.8s infinite;
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.03);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Tactical Device Preview (Interactive Frame) */
.device-frame-container {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-mockup {
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 2px solid var(--border-glow);
  border-radius: 36px;
  padding: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8), 0 0 32px rgba(0, 240, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-title {
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--cyber-cyan);
}

.hud-status-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--tactical-emerald-container);
  color: var(--tactical-emerald);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
  font-family: var(--font-mono);
}

.mockup-card {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-top: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-identity-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.8px;
}

.mockup-node-id {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.mockup-onion {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--tor-purple);
  word-break: break-all;
}

/* 2x2 Mini Transport Grid in Phone */
.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.mini-transport {
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mini-transport-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.mini-transport-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mini-transport-sub {
  font-size: 0.62rem;
  font-family: var(--font-mono);
}

/* Mini Packet Wire feed in Phone */
.mockup-wire {
  margin-top: 12px;
}

.mockup-wire-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.wire-item {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  margin-bottom: 4px;
}

.wire-direction {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

/* Section Title Styling */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--cyber-cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* Features / Transports 4-Column Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 80px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyber-cyan-dim);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 20px var(--cyber-cyan-glow);
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

.feature-badge-row {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feature-tech-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

/* Security Architecture Section */
.security-section {
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(15, 23, 42, 0.4);
}

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

.security-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.security-point {
  display: flex;
  gap: 16px;
}

.security-point-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--tactical-emerald-container);
  color: var(--tactical-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-point-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.security-point-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Code / Specs Terminal Box */
.terminal-window {
  background: #05080E;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

.terminal-topbar {
  background: #0D131F;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #FF5F56; }
.dot-yellow { background: #FFBD2E; }
.dot-green { background: #27C93F; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: auto;
}

.token-comment { color: var(--text-muted); }
.token-cyan { color: var(--cyber-cyan); }
.token-green { color: var(--tactical-emerald); }
.token-purple { color: var(--tor-purple); }
.token-yellow { color: var(--amber-alert); }

/* Download & Installation Section */
.download-section {
  padding: 80px 0;
  text-align: center;
}

.download-box {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-dark) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 0 64px rgba(0, 240, 255, 0.1);
  position: relative;
}

.download-box h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.download-meta-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: 24px 0 36px;
}

.dl-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dl-item span:first-child {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.dl-item span:last-child {
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cyber-cyan);
}

/* Download Action Groups */
.download-buttons-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 10px 0 24px;
}

.btn-large-dl {
  padding: 12px 24px;
  text-align: left;
}

.btn-large-dl .btn-text-wrap {
  display: flex;
  flex-direction: column;
}

.btn-main-label {
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.2;
}

.btn-sub-label {
  font-size: 0.72rem;
  font-weight: 600;
  opacity: 0.85;
  letter-spacing: 0.4px;
}

/* F-Droid Status Notification Callout */
.fdroid-notice-card {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin: 28px auto 10px;
  max-width: 680px;
  text-align: left;
  backdrop-filter: blur(10px);
  transition: all 0.35s ease;
}

.fdroid-notice-card.highlight-pulse {
  border-color: #38BDF8;
  box-shadow: 0 0 32px rgba(56, 189, 248, 0.45);
  transform: scale(1.02);
}

.fdroid-notice-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

.fdroid-notice-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fdroid-notice-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: #38BDF8;
  letter-spacing: 1px;
}

.fdroid-status-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  color: #FBBF24;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.fdroid-notice-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Tactical Notification Toast */
.tactical-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid #38BDF8;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.35);
  backdrop-filter: blur(14px);
  color: #F1F5F9;
  padding: 16px 22px;
  border-radius: var(--radius-md);
  z-index: 1000;
  max-width: 420px;
  font-size: 0.88rem;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  animation: slideToast 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.tactical-toast-icon {
  color: #38BDF8;
  flex-shrink: 0;
  margin-top: 2px;
}

.tactical-toast-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tactical-toast-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: #38BDF8;
  letter-spacing: 0.8px;
}

.tactical-toast-msg {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.tactical-toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  margin-left: auto;
  font-size: 1.2rem;
  line-height: 1;
}

.tactical-toast-close:hover {
  color: #FFFFFF;
}

/* Sideload Guide 3-step cards */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  text-align: left;
}

.step-card {
  background: var(--bg-elevated);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.step-number {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--cyber-cyan);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.step-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Footer */
footer.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 48px 0;
  background: #04070C;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--cyber-cyan);
}

/* Everyday & Urban Life Use Cases */
.use-cases-section {
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.use-case-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.use-case-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyber-cyan);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 24px var(--cyber-cyan-glow);
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--cyber-cyan)), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.use-case-card:hover::before {
  opacity: 1;
}

.use-case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.use-case-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.use-case-badge {
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.use-case-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.use-case-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  flex-grow: 1;
}

.use-case-footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin: 0 auto 32px;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-meta-badges {
    justify-content: center;
  }
  .security-layout {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .download-buttons-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-large-dl, .btn-fdroid {
    width: 100%;
    justify-content: center;
  }
  .tactical-toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }
}