/* ==========================================================================
   WireFox Official Landing Page Stylesheet
   Wintery Arctic Blue & Windows 11 Fluent Theme
   Crafted with care by FoxDen Software
   ========================================================================== */

:root {
  /* Arctic Night / Glacial Palette */
  --bg-base: #060911;
  --bg-surface: #0a101d;
  --bg-card: rgba(14, 22, 38, 0.72);
  --bg-card-hover: rgba(20, 31, 54, 0.85);
  --bg-input: #070c16;
  
  /* Wintery Arctic Blues & Polar Cyan */
  --brand-frost: #38bdf8;
  --brand-frost-light: #7dd3fc;
  --brand-cyan: #06b6d4;
  --brand-cyan-light: #67e8f9;
  --brand-blue: #0284c7;
  --brand-blue-deep: #0369a1;
  
  /* Ambient Frost Glows */
  --frost-glow: rgba(56, 189, 248, 0.28);
  --frost-glow-soft: rgba(56, 189, 248, 0.12);
  --cyan-glow: rgba(6, 182, 212, 0.22);
  --brand-green: #10b981;
  
  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Frost Glass Borders */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-card: rgba(148, 163, 184, 0.14);
  --border-frost: rgba(56, 189, 248, 0.4);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, "Courier New", monospace;
  
  --shadow-subtle: 0 12px 35px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 50px -8px var(--frost-glow);
  --transition-fast: 0.16s ease;
  --transition-normal: 0.26s ease;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse 85% 55% at 50% -20%, rgba(56, 189, 248, 0.16), transparent 70%),
    radial-gradient(ellipse 65% 45% at 90% 35%, rgba(6, 182, 212, 0.1), transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(2, 132, 199, 0.12), transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
}

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

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

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

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

section[id] {
  scroll-margin-top: 90px;
}

/* Mobile Notice Banner */
.mobile-notice-banner {
  background: linear-gradient(90deg, rgba(8, 14, 26, 0.96), rgba(13, 24, 44, 0.96));
  border-bottom: 1px solid var(--border-frost);
  padding: 12px 0;
  position: relative;
  z-index: 105;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

.mobile-notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.mobile-notice-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 260px;
}

.mobile-notice-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid var(--border-frost);
  color: var(--brand-frost-light);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mobile-notice-message {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.mobile-notice-message strong {
  color: var(--text-primary);
}

.mobile-notice-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-mobile-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-mobile-dl {
  background: linear-gradient(135deg, var(--brand-frost), var(--brand-blue));
  color: #03101f;
}

.btn-mobile-dl:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 14px var(--frost-glow);
}

.btn-mobile-copy {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-mobile-copy:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--border-frost);
  color: var(--brand-frost-light);
}

.mobile-notice-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.3rem;
  line-height: 1;
  transition: all var(--transition-fast);
}

.mobile-notice-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(6, 9, 17, 0.82);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-logo {
  width: 38px;
  height: 38px;
  filter: drop-shadow(0 0 10px var(--frost-glow));
  transition: transform var(--transition-fast);
}

.nav-brand:hover .nav-logo {
  transform: scale(1.08) rotate(-3deg);
}

.brand-text span {
  color: var(--brand-frost);
}

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

.nav-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--brand-frost-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-github {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-github:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--border-frost);
  transform: translateY(-1px);
}

.btn-nav-download {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand-frost), var(--brand-blue));
  font-size: 0.9rem;
  font-weight: 600;
  color: #04101e;
  box-shadow: 0 4px 18px -2px var(--frost-glow);
  transition: all var(--transition-fast);
}

.btn-nav-download:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px 0 var(--frost-glow);
}

/* Hero Section */
.hero-section {
  padding: 70px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.09);
  border: 1px solid var(--border-frost);
  border-radius: 9999px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-frost);
  letter-spacing: 0.02em;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--brand-frost);
  box-shadow: 0 0 10px var(--brand-frost);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.5; }
}

.hero-logo-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 10px 0 20px;
}

.hero-logo-bubble {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%) translateY(4px) scale(0.95);
  background: rgba(14, 22, 38, 0.94);
  border: 1px solid var(--border-frost);
  color: var(--brand-frost-light);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.6), 0 0 16px -2px var(--frost-glow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}

.hero-logo-bubble::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  background: rgba(14, 22, 38, 0.95);
  border-right: 1px solid var(--border-frost);
  border-bottom: 1px solid var(--border-frost);
}

.hero-logo-wrap:hover .hero-logo-bubble {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}

.hero-logo {
  width: 175px;
  height: 175px;
  filter: drop-shadow(0 0 45px var(--frost-glow));
  transition: transform var(--transition-normal), filter var(--transition-normal);
}

.hero-logo:hover {
  transform: scale(1.06) rotate(-2deg);
  filter: drop-shadow(0 0 55px var(--frost-glow));
}

.hero-brand-heading {
  font-size: clamp(3.4rem, 7.5vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  color: #ffffff;
}

.hero-brand-heading span {
  background: linear-gradient(135deg, #a5f3fc 0%, #38bdf8 55%, #0284c7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 35px rgba(56, 189, 248, 0.45));
}

.hero-tagline {
  font-size: clamp(1.4rem, 2.8vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--text-primary);
  max-width: 820px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #ffffff 40%, #bae6fd 80%, #7dd3fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 36px;
  font-weight: 400;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #03101f;
  background: linear-gradient(135deg, var(--brand-frost-light) 0%, var(--brand-blue) 100%);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 25px -4px var(--frost-glow);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px 0 var(--frost-glow);
  filter: brightness(1.1);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}

.terminal-command-box {
  width: 100%;
  max-width: 860px;
  min-width: 0;
  margin: 0 auto;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.5), 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 8px 18px;
  position: relative;
  transition: border-color var(--transition-fast);
}

.terminal-command-box:hover {
  border-color: var(--border-frost);
}

.terminal-prefix {
  color: var(--brand-frost);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  margin-right: 10px;
  user-select: none;
  flex-shrink: 0;
}

.terminal-code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #e2e8f0;
  overflow-x: auto;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
  text-align: left;
  padding-right: 12px;
}

.terminal-code::-webkit-scrollbar {
  height: 4px;
}
.terminal-code::-webkit-scrollbar-thumb {
  background: rgba(56, 189, 248, 0.25);
  border-radius: 4px;
}

.btn-copy {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-copy:hover {
  background: rgba(56, 189, 248, 0.15);
  color: var(--brand-frost-light);
  border-color: var(--border-frost);
}

.btn-copy.copied {
  background: rgba(16, 185, 129, 0.2);
  color: var(--brand-green);
  border-color: var(--brand-green);
}

/* Trust Badges Bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.trust-item svg {
  color: var(--brand-frost);
}

/* ==========================================================================
   AUTHENTIC WINDOWS 11 FLUENT WINDOW MOCKUP
   ========================================================================== */
.showcase-section {
  padding: 40px 0 90px;
}

.window-frame {
  background: #121824;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 10px; /* Windows 11 default window corner radius */
  overflow: hidden;
  box-shadow: 
    0 30px 70px -15px rgba(0, 0, 0, 0.85),
    0 0 50px -10px var(--frost-glow-soft);
  position: relative;
  transition: transform var(--transition-normal);
}

/* Windows 11 Fluent Titlebar */
.window-titlebar {
  background: #182030;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  user-select: none;
  padding: 0 0 0 14px;
}

.window-title-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.window-icon {
  width: 16px;
  height: 16px;
  filter: drop-shadow(0 0 4px var(--frost-glow));
}

.window-title-text {
  font-size: 0.82rem;
  font-weight: 500;
  color: #e2e8f0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Text", "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
}

.window-title-right {
  display: flex;
  align-items: center;
  height: 100%;
}

.window-badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--brand-frost-light);
  font-weight: 600;
  margin-right: 14px;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

/* Authentic Windows 11 Caption Control Buttons */
.win11-caption-buttons {
  display: flex;
  align-items: center;
  height: 100%;
}

.win11-btn {
  width: 46px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.win11-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.win11-btn.win11-close:hover {
  background-color: #c42b1c; /* Official Windows 11 close hover red */
  color: #ffffff;
}

/* Showcase Tabs */
.showcase-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 24px;
}

.showcase-tab {
  padding: 10px 20px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.showcase-tab:hover {
  background: rgba(56, 189, 248, 0.08);
  color: var(--text-primary);
  border-color: rgba(56, 189, 248, 0.25);
}

.showcase-tab.active {
  background: rgba(56, 189, 248, 0.16);
  border-color: var(--border-frost);
  color: var(--brand-frost-light);
  font-weight: 600;
  box-shadow: 0 0 20px -4px var(--frost-glow);
}

.showcase-viewport {
  position: relative;
  min-height: 480px;
  background: #0d121c;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-slide {
  display: none;
  width: 100%;
  animation: fadeIn 0.3s ease forwards;
}

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

.showcase-slide img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.showcase-caption {
  padding: 18px 24px;
  background: #111724;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.caption-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.caption-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Feature Grid Section */
.features-section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 54px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-frost);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-frost), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.5), 0 0 30px -10px var(--frost-glow);
}

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

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--border-frost);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--brand-frost);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Comparison / Why WireFox */
.why-section {
  padding: 70px 0 90px;
  background: linear-gradient(180deg, transparent, rgba(10, 16, 29, 0.7), transparent);
}

.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

.comparison-col {
  padding: 40px;
}

.comparison-col.standard {
  background: rgba(0, 0, 0, 0.25);
  border-right: 1px solid var(--border-subtle);
}

.comparison-col.wirefox {
  background: rgba(56, 189, 248, 0.04);
}

.comparison-header {
  margin-bottom: 24px;
}

.comparison-tag {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  display: inline-block;
}

.comparison-tag.bad { color: #f87171; }
.comparison-tag.good { color: var(--brand-frost); }

.comparison-title {
  font-size: 1.45rem;
  font-weight: 700;
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.comparison-item.cross svg {
  color: #ef4444;
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison-item.check svg {
  color: #10b981;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Install Guide Section */
.install-section {
  padding: 90px 0;
}

.install-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 30px;
}

.install-tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.install-tab-btn:hover {
  background: rgba(56, 189, 248, 0.08);
  color: var(--text-primary);
}

.install-tab-btn.active {
  background: linear-gradient(135deg, var(--brand-frost), var(--brand-blue));
  color: #03101f;
  border-color: var(--brand-frost);
  box-shadow: 0 4px 20px -2px var(--frost-glow);
}

.install-pane {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  max-width: 980px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  box-shadow: var(--shadow-subtle);
  animation: fadeIn 0.25s ease;
  overflow: hidden;
}

.step-content .terminal-command-box {
  margin: 14px 0 0;
  max-width: 100%;
}

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

.install-step-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.install-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  width: 100%;
  min-width: 0;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--border-frost);
  color: var(--brand-frost);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  min-width: 0;
  max-width: 100%;
}

.step-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.install-pane .terminal-command-box {
  width: 100%;
  max-width: 100%;
  margin: 12px 0 6px;
  box-sizing: border-box;
}

/* FAQ Accordion */
.faq-section {
  padding: 80px 0 100px;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item:hover {
  border-color: rgba(56, 189, 248, 0.25);
}

.faq-item.open {
  border-color: var(--border-frost);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--brand-frost);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 22px;
}

/* CTA Footer Banner */
.cta-banner {
  margin: 40px 0 80px;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.14) 0%, rgba(10, 16, 29, 0.9) 100%);
  border: 1px solid var(--border-frost);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.cta-banner h2 {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.cta-banner p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 30px;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #04070d;
  padding: 50px 0 35px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.footer-brand img {
  filter: drop-shadow(0 0 10px var(--frost-glow));
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
}

.footer-link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--brand-frost-light);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
}

.footer-disclaimer {
  color: #475569;
  font-size: 0.8rem;
  margin-top: 8px;
  line-height: 1.5;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-section {
    padding: 50px 0 40px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .install-pane {
    padding: 24px 16px;
  }
  .install-step {
    gap: 12px;
  }
  .terminal-command-box {
    padding: 8px 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .terminal-code {
    font-size: 0.78rem;
  }
  .btn-copy {
    padding: 6px 10px;
    font-size: 0.78rem;
  }
  .cta-banner {
    padding: 40px 20px;
  }
  .showcase-viewport {
    min-height: auto;
  }
}