/* ==========================================================================
   GB TECH STUDIO — CORE DESIGN SYSTEM & UTILITY STYLES
   Inspired by Apple, Google Pixel Material 3, Nothing OS & Vercel
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Dark Mode (Default) */
  --bg-canvas: #0B0F19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1F2937;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(17, 24, 39, 0.85);
  
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(59, 130, 246, 0.4);
  --border-focus: #3B82F6;
  --divider: rgba(255, 255, 255, 0.06);

  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-muted: #9CA3AF;
  
  /* Brand Accents */
  --brand-primary: #3B82F6;
  --brand-primary-gradient: linear-gradient(135deg, #3B82F6 0%, #6366F1 100%);
  --brand-cyan: #06B6D4;
  --android-green: #3DDC84;
  --android-green-gradient: linear-gradient(135deg, #3DDC84 0%, #10B981 100%);
  
  /* Status Colors */
  --status-published: #10B981;
  --status-testing: #F59E0B;
  
  /* Shadows & Glows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.65);
  --glow-blue: 0 0 35px rgba(59, 130, 246, 0.3);
  --glow-cyan: 0 0 35px rgba(6, 182, 212, 0.25);
  --glow-green: 0 0 35px rgba(61, 220, 132, 0.3);

  /* Spatial Grid Tokens */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --max-width: 1280px;
  --header-height: 72px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
  --bg-canvas: #F6F8FC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-card: rgba(255, 255, 255, 0.95);
  
  --border-glass: #E5E7EB;
  --border-glass-hover: rgba(37, 99, 235, 0.5);
  --border-focus: #2563EB;
  --divider: #E5E7EB;

  --text-primary: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.15), 0 1px 3px 1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 1px 2px 0 rgba(0, 0, 0, 0.15), 0 2px 6px 2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 1px 3px 0 rgba(0, 0, 0, 0.15), 0 4px 8px 3px rgba(0, 0, 0, 0.1);
  --glow-blue: 0 0 35px rgba(37, 99, 235, 0.15);
  --glow-cyan: 0 0 35px rgba(6, 182, 212, 0.15);
  --glow-green: 0 0 35px rgba(16, 185, 129, 0.18);
}

/* Light Theme Navbar Components */
[data-theme="light"] .navbar {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.7);
  box-shadow: 0 4px 24px -6px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .nav-link {
  color: var(--text-secondary);
}

[data-theme="light"] .nav-link:hover {
  color: var(--text-primary);
  background: rgba(241, 245, 249, 0.8);
  transform: translateY(-1px);
}

[data-theme="light"] .nav-link.active {
  color: var(--text-primary);
  background: #F1F5F9;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(229, 231, 235, 0.6);
}

[data-theme="light"] .theme-toggle {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #475569;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .theme-toggle:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  color: #0F172A;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .mobile-toggle {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #475569;
}

[data-theme="light"] .mobile-toggle:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  color: #0F172A;
}

/* Light Theme Hero Section Components */
[data-theme="light"] main > section:first-of-type {
  background: 
    radial-gradient(circle at 15% 20%, rgba(59, 130, 246, 0.07) 0%, transparent 50%),
    radial-gradient(circle at 85% 60%, rgba(61, 220, 132, 0.07) 0%, transparent 50%),
    #F6F8FC;
}

[data-theme="light"] .hero-grid {
  min-height: auto;
  padding-top: 24px;
  padding-bottom: 24px;
  gap: 40px;
}

[data-theme="light"] .hero-badge {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.2);
  color: #2563EB;
}

[data-theme="light"] .hero-badge-dot {
  background: #2563EB;
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.5);
}

[data-theme="light"] .hero-title {
  color: #0F172A;
}

[data-theme="light"] .hero-title-gradient {
  background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .hero-subtitle {
  color: #475569;
}

[data-theme="light"] .hero-slider-card {
  width: 368px;
  border-color: #FFFFFF;
  box-shadow: 
    0 20px 40px -10px rgba(15, 23, 42, 0.12),
    0 8px 16px -8px rgba(15, 23, 42, 0.08),
    0 0 0 1px rgba(229, 231, 235, 0.8);
}

[data-theme="light"] .hero-mockup-glow {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, rgba(61, 220, 132, 0.12) 50%, transparent 75%);
  filter: blur(50px);
}

[data-theme="light"] .btn-primary {
  box-shadow: 0 4px 14px rgba(61, 220, 132, 0.35);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px rgba(61, 220, 132, 0.5);
}

[data-theme="light"] .btn-secondary {
  background: #FFFFFF;
  color: #1E293B;
  border-color: #E2E8F0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] .btn-secondary:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  color: #0F172A;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .stats-line {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  box-shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.05);
  margin-top: 48px;
}

[data-theme="light"] .stat-number {
  color: #2563EB;
}

[data-theme="light"] .stat-label {
  color: #64748B;
}

/* Light Theme App Cards Section Components (Phase 4) */
[data-theme="light"] section:has(.apps-grid),
[data-theme="light"] #featured-apps {
  background: #F7F8FC;
}

[data-theme="light"] section:has(.apps-grid) h2,
[data-theme="light"] section:has(.apps-grid) h1,
[data-theme="light"] #featured-apps h2 {
  color: #111827;
}

[data-theme="light"] section:has(.apps-grid) p,
[data-theme="light"] #featured-apps p {
  color: #64748B;
}

[data-theme="light"] .app-card {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 24px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
  padding: 32px;
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

[data-theme="light"] .app-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  border-color: #D1D5DB;
}

[data-theme="light"] .app-icon-img {
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
  border-radius: 16px;
}

[data-theme="light"] .app-title {
  color: #111827;
  font-weight: 700;
}

[data-theme="light"] .app-desc {
  color: #6B7280;
  line-height: 1.6;
}

[data-theme="light"] .app-badge-published {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
  border-radius: 9999px;
  padding: 4px 12px;
  font-weight: 600;
}

[data-theme="light"] .app-badge-testing {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FDE68A;
  border-radius: 9999px;
  padding: 4px 12px;
  font-weight: 600;
}

[data-theme="light"] .app-card .btn-secondary {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  color: #374151;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 200ms ease;
}

[data-theme="light"] .app-card .btn-secondary:hover {
  background: #F3F4F6;
  border-color: #D1D5DB;
  color: #111827;
  transform: translateY(-1px);
}

[data-theme="light"] .app-card .btn-primary {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
  border: none;
  transition: all 200ms ease;
}

[data-theme="light"] .app-card .btn-primary:hover {
  background: linear-gradient(135deg, #34D399 0%, #10B981 100%);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transform: translateY(-2px);
}

/* ==========================================================================
   LIGHT THEME PHASE 5 (FINAL POLISH: QR, SHOWCASE, FOOTER & GLOBAL)
   ========================================================================== */

/* SECTION 1: QR PROMOTION CARD */
[data-theme="light"] .glass-card[style*="linear-gradient"],
[data-theme="light"] section:has(svg) .glass-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 28px !important;
  box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .glass-card[style*="linear-gradient"] h2,
[data-theme="light"] section:has(svg) .glass-card h2 {
  color: #111827 !important;
}

[data-theme="light"] .glass-card[style*="linear-gradient"] p,
[data-theme="light"] section:has(svg) .glass-card p {
  color: #64748B !important;
}

[data-theme="light"] .glass-card[style*="linear-gradient"] div[style*="background: #FFFFFF"],
[data-theme="light"] section:has(svg) div[style*="background: #FFFFFF"] {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.08) !important;
  padding: 20px !important;
  border-radius: 20px !important;
  transform: scale(1.04);
}

/* SECTION 2: SHOWCASE CARD */
[data-theme="light"] #interface-showcase h2 {
  color: #111827 !important;
}

[data-theme="light"] #interface-showcase p {
  color: #64748B;
}

[data-theme="light"] .showcase-stage {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 28px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .showcase-tab-btn {
  background: #F1F5F9;
  border: 1px solid #E5E7EB;
  color: #475569;
}

[data-theme="light"] .showcase-tab-btn:hover,
[data-theme="light"] .showcase-tab-btn.active {
  background: #2563EB;
  color: #FFFFFF;
  border-color: #2563EB;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

[data-theme="light"] .showcase-phone-frame {
  border-color: #E2E8F0;
  box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.16), 0 0 0 1px rgba(229, 231, 235, 0.8);
  transform: scale(1.03);
}

[data-theme="light"] .showcase-phone-glow {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(6, 182, 212, 0) 70%);
}

/* SECTION 3: FOOTER */
[data-theme="light"] .footer {
  background: #F8FAFC;
  border-top: 1px solid #E5E7EB;
}

[data-theme="light"] .footer-brand img {
  height: 40px;
}

[data-theme="light"] .footer-brand p {
  color: #64748B;
}

[data-theme="light"] .footer-heading {
  color: #111827;
}

[data-theme="light"] .footer-link {
  color: #475569;
  transition: color 0.25s ease;
}

[data-theme="light"] .footer-link:hover {
  color: #2563EB;
}

[data-theme="light"] .footer-bottom {
  border-top: 1px solid #E5E7EB;
  color: #64748B;
}

/* SECTION 4: GLOBAL POLISH */
[data-theme="light"] body {
  background-color: #F7F8FC;
}

[data-theme="light"] .glass-card:not(.app-card):not(.showcase-stage) {
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

/* ==========================================================================
   LIGHT THEME PHASE 6 (FINAL PRODUCTION POLISH)
   ========================================================================== */

/* 1. NAVBAR FINAL POLISH */
[data-theme="light"] .navbar {
  height: 66px;
}

[data-theme="light"] .brand-logo img {
  height: 44px;
}

/* 2. HERO TEXT POLISH */
[data-theme="light"] .hero-subtitle {
  color: #475569;
  line-height: 1.7;
}

/* 3. FEATURED APPS SECTION BACKGROUND */
[data-theme="light"] section:has(.apps-grid),
[data-theme="light"] #featured-apps {
  background: linear-gradient(180deg, #F8FAFC 0%, #F4F7FB 50%, #F8FAFC 100%) !important;
}

/* 4. FOOTER POLISH */
[data-theme="light"] .footer-brand img {
  height: 48px;
}

[data-theme="light"] .footer-brand p {
  color: #475569;
}

[data-theme="light"] .footer-heading {
  color: #0F172A;
  font-weight: 700;
}

[data-theme="light"] .footer-link {
  color: #334155;
  transition: color 0.25s ease;
}

[data-theme="light"] .footer-link:hover {
  color: #2563EB;
}

[data-theme="light"] .footer-bottom {
  color: #64748B;
}

/* ==========================================================================
   LIGHT THEME PHASE 7 (APPS CATALOG PAGE PRODUCTION POLISH)
   ========================================================================== */

/* 1. APPS & TOOLS CATALOG PAGE HERO & BACKGROUND */
[data-theme="light"] main:has(.apps-grid),
[data-theme="light"] main:has(.tools-grid) {
  background: linear-gradient(180deg, #F8FAFC 0%, #F4F7FB 50%, #F8FAFC 100%) !important;
  padding-top: calc(var(--header-height) + 24px) !important;
  padding-bottom: 64px !important;
}

[data-theme="light"] main:has(.apps-grid) h1,
[data-theme="light"] main:has(.tools-grid) h1 {
  color: #111827 !important;
  font-weight: 800;
  letter-spacing: -0.02em;
}

[data-theme="light"] main:has(.apps-grid) h1 + p,
[data-theme="light"] main:has(.tools-grid) h1 + p,
[data-theme="light"] main:has(.apps-grid) div > p,
[data-theme="light"] main:has(.tools-grid) div > p {
  color: #475569 !important;
  line-height: 1.65;
}

/* 2. SPACING & GRID NORMALIZATION */
[data-theme="light"] main:has(.apps-grid) .apps-grid,
[data-theme="light"] main:has(.tools-grid) .tools-grid {
  margin-top: 36px;
}

/* 3. BUTTON CONSISTENCY FOR CLOSED TESTING & INACTIVE STATES */
[data-theme="light"] .tool-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 24px !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .tool-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12) !important;
  border-color: #D1D5DB !important;
}

[data-theme="light"] .tool-card div[style*="background: var(--bg-surface-elevated)"] {
  background: #F8FAFC !important;
  border-color: #E5E7EB !important;
}

[data-theme="light"] .app-card span.btn-secondary {
  background: #F3F4F6 !important;
  border: 1px solid #E5E7EB !important;
  color: #9CA3AF !important;
  box-shadow: none !important;
  opacity: 0.8 !important;
}

/* ==========================================================================
   LIGHT THEME PHASE 8 (ABOUT PAGE PRODUCTION POLISH)
   ========================================================================== */

/* 1. ABOUT HERO SECTION & GLOBAL SECTION HEADINGS */
[data-theme="light"] main:has(.about-hero-grid) {
  background: linear-gradient(180deg, #F8FAFC 0%, #F4F7FB 50%, #F8FAFC 100%) !important;
  padding-top: calc(var(--header-height) + 24px) !important;
  padding-bottom: 64px !important;
}

[data-theme="light"] .about-hero-grid h1 {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] .about-hero-grid p {
  color: #475569 !important;
  line-height: 1.7 !important;
}

[data-theme="light"] main:has(.about-hero-grid) h2 {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] main:has(.about-hero-grid) h2 + p {
  color: #64748B !important;
}

/* 2. STUDIO IDENTITY CARD */
[data-theme="light"] .about-logo-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 24px !important;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08) !important;
  transition: transform 300ms ease, box-shadow 300ms ease;
}

[data-theme="light"] .about-logo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12) !important;
}

[data-theme="light"] .about-logo-card h3 {
  color: #111827 !important;
}

[data-theme="light"] .about-logo-card span {
  color: #64748B !important;
}

/* 3. STATISTICS CARDS */
[data-theme="light"] .about-stats-grid .glass-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 20px !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06) !important;
  transition: transform 250ms ease, box-shadow 250ms ease;
}

[data-theme="light"] .about-stats-grid .glass-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1) !important;
}

[data-theme="light"] .stat-card-num {
  color: #2563EB !important;
  font-size: 2.75rem !important;
  font-weight: 800 !important;
}

[data-theme="light"] .stat-card-label {
  color: #64748B !important;
  font-weight: 700 !important;
}

/* 4. OUR JOURNEY TIMELINE */
[data-theme="light"] .timeline-container {
  border-left: 2px solid #CBD5E1 !important;
}

[data-theme="light"] .timeline-dot {
  width: 22px !important;
  height: 22px !important;
  left: -44px !important;
  top: 2px !important;
  background: #2563EB !important;
  border: 4px solid #FFFFFF !important;
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.4) !important;
}

[data-theme="light"] .timeline-year {
  color: #2563EB !important;
  font-weight: 800 !important;
  background: #EFF6FF !important;
  padding: 4px 10px !important;
  border-radius: 6px !important;
  display: inline-block !important;
}

[data-theme="light"] .timeline-title {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] .timeline-item p {
  color: #475569 !important;
  line-height: 1.65 !important;
}

/* 5. CORE STUDIO PILLARS */
[data-theme="light"] .values-grid .value-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 20px !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08) !important;
  transition: transform 300ms ease, box-shadow 300ms ease !important;
}

[data-theme="light"] .values-grid .value-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12) !important;
  border-color: #D1D5DB !important;
}

[data-theme="light"] .value-icon {
  background: #F1F5F9 !important;
  padding: 10px 14px !important;
  border-radius: 14px !important;
}

[data-theme="light"] .values-grid .value-card h3 {
  color: #111827 !important;
}

[data-theme="light"] .values-grid .value-card p {
  color: #6B7280 !important;
  line-height: 1.65 !important;
}

/* 6. MODERN ANDROID TECH STACK */
[data-theme="light"] .tech-badge {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  color: #1E293B !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04) !important;
  padding: 10px 22px !important;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease !important;
}

[data-theme="light"] .tech-badge:hover {
  transform: scale(1.05) !important;
  border-color: #2563EB !important;
  color: #2563EB !important;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.18) !important;
}

/* 7. OUR ANDROID APPLICATIONS GRID */
[data-theme="light"] .our-app-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 16px !important;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05) !important;
  transition: transform 250ms ease, border-color 250ms ease, box-shadow 250ms ease !important;
}

[data-theme="light"] .our-app-card:hover {
  transform: translateY(-3px) !important;
  border-color: #2563EB !important;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1) !important;
}

[data-theme="light"] .our-app-card div > div:first-child {
  color: #111827 !important;
}

/* 8. QUOTE CARD */
[data-theme="light"] .quote-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 28px !important;
  box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .quote-text {
  color: #1E293B !important;
  line-height: 1.7 !important;
}

[data-theme="light"] .quote-author {
  color: #2563EB !important;
  font-weight: 700 !important;
}

/* 9. EXPLORE OUR ANDROID APPS CTA */
[data-theme="light"] main:has(.about-hero-grid) > .container > .glass-card:last-of-type {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 28px !important;
  box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] main:has(.about-hero-grid) > .container > .glass-card:last-of-type h2 {
  color: #111827 !important;
}

[data-theme="light"] main:has(.about-hero-grid) > .container > .glass-card:last-of-type p {
  color: #64748B !important;
}

/* ==========================================================================
   LIGHT THEME PHASE 9 (BLOG PAGE PRODUCTION POLISH)
   ========================================================================== */

/* 1. BLOG PAGE BACKGROUND & HERO TYPOGRAPHY */
[data-theme="light"] main:has(#blogGrid) {
  background: linear-gradient(180deg, #F8FAFC 0%, #F4F7FB 50%, #F8FAFC 100%) !important;
  padding-top: calc(var(--header-height) + 24px) !important;
  padding-bottom: 64px !important;
}

[data-theme="light"] main:has(#blogGrid) h1 {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] main:has(#blogGrid) h1 + p {
  color: #475569 !important;
}

/* 2. BLOG CARDS */
[data-theme="light"] .blog-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 24px !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08) !important;
  overflow: hidden;
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease !important;
}

[data-theme="light"] .blog-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12) !important;
  border-color: #D1D5DB !important;
}

/* 3. BLOG THUMBNAIL & IMAGE TRANSITION */
[data-theme="light"] .blog-thumb-wrapper {
  border-top-left-radius: 23px;
  border-top-right-radius: 23px;
  overflow: hidden;
}

[data-theme="light"] .blog-thumb-img {
  transition: transform 350ms cubic-bezier(0.4, 0, 0.2, 1) !important;
}

[data-theme="light"] .blog-card:hover .blog-thumb-img {
  transform: scale(1.02) !important;
}

/* 4. TYPOGRAPHY */
[data-theme="light"] .blog-title {
  color: #111827 !important;
  line-height: 1.4 !important;
}

[data-theme="light"] .blog-excerpt {
  color: #475569 !important;
  line-height: 1.65 !important;
}

[data-theme="light"] .blog-date {
  color: #64748B !important;
}

/* 5. READ ARTICLE BUTTON */
[data-theme="light"] .blog-card .btn-secondary {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  color: #374151 !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, transform 200ms ease, box-shadow 200ms ease !important;
}

[data-theme="light"] .blog-card .btn-secondary:hover {
  background: #F3F4F6 !important;
  border-color: #D1D5DB !important;
  color: #111827 !important;
  transform: translateY(-1px) !important;
}

/* 6. SEARCH BOX */
[data-theme="light"] .blog-search-input {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  color: #111827 !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04) !important;
  transition: border-color 250ms ease, box-shadow 250ms ease !important;
}

[data-theme="light"] .blog-search-input:focus {
  border-color: #2563EB !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 4px 14px rgba(15, 23, 42, 0.08) !important;
  outline: none;
}

/* 7. CATEGORY PILLS */
[data-theme="light"] .filter-btn {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  color: #475569 !important;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04) !important;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease !important;
}

[data-theme="light"] .filter-btn:hover {
  background: #F8FAFC !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
}

[data-theme="light"] .filter-btn.active {
  background: #2563EB !important;
  color: #FFFFFF !important;
  border-color: #2563EB !important;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25) !important;
}

/* 8. LOAD MORE BUTTON */
[data-theme="light"] .load-more-wrapper .btn-secondary,
[data-theme="light"] #loadMoreBtn {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  color: #374151 !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05) !important;
  transition: transform 200ms ease, background-color 200ms ease, border-color 200ms ease, box-shadow 200ms ease !important;
}

[data-theme="light"] .load-more-wrapper .btn-secondary:hover,
[data-theme="light"] #loadMoreBtn:hover {
  background: #F8FAFC !important;
  border-color: #CBD5E1 !important;
  color: #0F172A !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08) !important;
}

/* ==========================================================================
   LIGHT THEME PHASE 10 (SUPPORT PAGE PRODUCTION POLISH)
   ========================================================================== */

/* 1. SUPPORT PAGE BACKGROUND & HERO TYPOGRAPHY */
[data-theme="light"] main:has(.quick-support-grid) {
  background: linear-gradient(180deg, #F8FAFC 0%, #F4F7FB 50%, #F8FAFC 100%) !important;
  padding-top: calc(var(--header-height) + 24px) !important;
  padding-bottom: 64px !important;
}

[data-theme="light"] main:has(.quick-support-grid) h1 {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] main:has(.quick-support-grid) h1 + p {
  color: #475569 !important;
  line-height: 1.65 !important;
}

[data-theme="light"] main:has(.quick-support-grid) h2 {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] main:has(.quick-support-grid) h2 + p {
  color: #64748B !important;
}

/* 2. TOP QUICK SUPPORT CARDS */
[data-theme="light"] .quick-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 24px !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08) !important;
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease !important;
}

[data-theme="light"] .quick-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12) !important;
  border-color: #D1D5DB !important;
}

[data-theme="light"] .quick-card-icon {
  background: #F1F5F9 !important;
  padding: 10px 14px !important;
  border-radius: 14px !important;
  font-size: 2rem !important;
}

[data-theme="light"] .quick-card-title {
  color: #111827 !important;
  font-weight: 700 !important;
}

[data-theme="light"] .quick-card-desc {
  color: #6B7280 !important;
}

/* 3. APP SUPPORT INFORMATION CARD & PANELS */
[data-theme="light"] main:has(.quick-support-grid) > .container > div > .glass-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 24px !important;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08) !important;
  padding: 32px !important;
}

[data-theme="light"] .app-support-panel h3 {
  color: #111827 !important;
  font-weight: 700 !important;
}

[data-theme="light"] .app-support-panel p,
[data-theme="light"] .app-support-panel ul,
[data-theme="light"] .app-support-panel li {
  color: #475569 !important;
}

/* 4. FAQ ACCORDION SYSTEM */
[data-theme="light"] .faq-item {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 20px !important;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05) !important;
  transition: border-color 250ms ease, box-shadow 250ms ease !important;
}

[data-theme="light"] .faq-item:hover {
  border-color: #93C5FD !important;
}

[data-theme="light"] .faq-item.open {
  border-color: #2563EB !important;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .faq-question {
  color: #111827 !important;
  font-weight: 700 !important;
}

[data-theme="light"] .faq-answer {
  color: #475569 !important;
  line-height: 1.7 !important;
}

/* 5. CONTACT DEVELOPER SUPPORT CARD */
[data-theme="light"] .contact-card {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 28px !important;
  box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] .contact-card h2 {
  color: #111827 !important;
  font-weight: 800 !important;
}

[data-theme="light"] .contact-card p {
  color: #64748B !important;
}

[data-theme="light"] .contact-card div[style*="font-family: 'JetBrains Mono'"] {
  color: #2563EB !important;
}

/* 6. STILL NEED HELP CTA CARD */
[data-theme="light"] main:has(.quick-support-grid) > .container > .glass-card:last-of-type {
  background: #FFFFFF !important;
  border: 1px solid #E5E7EB !important;
  border-radius: 28px !important;
  box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08) !important;
}

[data-theme="light"] main:has(.quick-support-grid) > .container > .glass-card:last-of-type h2 {
  color: #111827 !important;
}

[data-theme="light"] main:has(.quick-support-grid) > .container > .glass-card:last-of-type p {
  color: #64748B !important;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE TYPOGRAPHY
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease;
}

html {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   3. LAYOUT CONTAINERS & GRID SYSTEM
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* --------------------------------------------------------------------------
   4. NAVIGATION HEADER
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  transition: background var(--transition-normal);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
}

.brand-logo img {
  height: 36px;
  width: auto;
}

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

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--border-glass);
}

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

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  transform: scale(1.05);
  border-color: var(--border-glass-hover);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .mobile-toggle {
    display: flex;
  }
}

/* --------------------------------------------------------------------------
   5. BUTTON COMPONENTS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: var(--android-green-gradient);
  color: #061F12;
  box-shadow: var(--glow-green);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(61, 220, 132, 0.45);
}

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

.btn-secondary:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

.btn-pill {
  border-radius: var(--radius-full);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8438rem;
}

/* --------------------------------------------------------------------------
   6. CARDS & GLASS CONTAINERS
   -------------------------------------------------------------------------- */
.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   7. HERO FEATURE SLIDER (AUTOMATIC 4s SLIDER)
   -------------------------------------------------------------------------- */
.hero-slider-card {
  position: relative;
  z-index: 1;
  width: 320px;
  max-width: 100%;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--border-glass);
  background: var(--bg-surface);
}

.hero-slider-track {
  display: flex;
  height: 100%;
  transition: transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  opacity: 0.3;
  transition: opacity 600ms ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Nav Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 1rem;
  transition: background 200ms ease, transform 200ms ease;
  user-select: none;
}

.slider-arrow:hover {
  background: rgba(59, 130, 246, 0.9);
  transform: translateY(-50%) scale(1.1);
}

.slider-arrow-prev { left: 8px; }
.slider-arrow-next { right: 8px; }

/* Pagination Dots */
.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 10;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 300ms ease;
}

.slider-dot.active {
  width: 20px;
  border-radius: 10px;
  background: var(--brand-cyan);
  box-shadow: 0 0 10px var(--brand-cyan);
}

/* --------------------------------------------------------------------------
   8. PREMIUM INTERACTIVE APP INTERFACE SHOWCASE & SUPPORT CHIPS
   -------------------------------------------------------------------------- */
.showcase-tabs-container, .app-chips-wrapper {
  position: relative;
  width: 100%;
  margin-bottom: 28px;
}

/* Subtle left and right edge fade indicators */
.app-chips-wrapper::before,
.app-chips-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 36px;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity 250ms ease;
}

.app-chips-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-canvas), transparent);
}

.app-chips-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-canvas), transparent);
}

.app-chips-wrapper.can-scroll-left::before { opacity: 1; }
.app-chips-wrapper.can-scroll-right::after { opacity: 1; }

.showcase-tabs, .app-chips-container {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 4px 12px 4px;
  -ms-overflow-style: none;
  scrollbar-width: none;
  scroll-behavior: smooth;
  white-space: nowrap;
}

.showcase-tabs::-webkit-scrollbar, .app-chips-container::-webkit-scrollbar {
  display: none;
}

.showcase-tab-btn, .app-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  box-sizing: border-box;
  transition: all var(--transition-fast);
}

.showcase-tab-btn img, .app-chip img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.showcase-tab-btn span, .app-chip span {
  white-space: nowrap;
  line-height: 1;
}

.showcase-tab-btn:hover, .showcase-tab-btn.active,
.app-chip:hover, .app-chip.active {
  background: var(--brand-primary);
  color: #FFFFFF;
  border-color: var(--brand-primary);
  box-shadow: var(--glow-blue);
}

.showcase-stage {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  min-height: 480px;
  position: relative;
  overflow: hidden;
}

@media (max-width: 900px) {
  .showcase-stage {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
}

.showcase-app-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: var(--shadow-md);
}

.showcase-right {
  position: relative;
  display: flex;
  justify-content: center;
}

.showcase-phone-glow {
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.35) 0%, rgba(6, 182, 212, 0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(35px);
  z-index: 0;
}

.showcase-phone-frame {
  position: relative;
  z-index: 1;
  width: 250px;
  height: 500px;
  border-radius: 36px;
  overflow: hidden;
  border: 6px solid #1E293B;
  background: #000;
  box-shadow: var(--shadow-lg);
}

.showcase-screen-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.showcase-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 400ms ease, transform 400ms ease;
  cursor: pointer;
}

.showcase-screen-img.fade-out {
  opacity: 0;
  transform: scale(0.96);
}

.showcase-screen-img.fade-in {
  opacity: 1;
  transform: scale(1);
}

/* --------------------------------------------------------------------------
   9. APP CARD & GRID STYLES
   -------------------------------------------------------------------------- */
.apps-grid, .tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

@media (max-width: 640px) {
  .apps-grid, .tools-grid {
    grid-template-columns: 1fr;
  }
}

.app-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.app-icon-img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.app-badge-published {
  background: rgba(16, 185, 129, 0.15);
  color: var(--status-published);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.app-badge-testing {
  background: rgba(245, 158, 11, 0.15);
  color: var(--status-testing);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.app-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.app-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* --------------------------------------------------------------------------
   10. SCREENSHOT LIGHTBOX MODAL
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.modal-img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  color: #FFFFFF;
  font-size: 2rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   11. FOOTER STYLES
   -------------------------------------------------------------------------- */
.footer {
  background: var(--bg-canvas);
  border-top: 1px solid var(--border-glass);
  padding-top: 80px;
  padding-bottom: 40px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-top: 16px;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   12. MOBILE RESPONSIVE OPTIMIZATION (320px - 480px VIEWPORTS)
   -------------------------------------------------------------------------- */

/* Responsive Hero & Page Headings */
.page-hero-title,
main h1 {
  font-size: clamp(2rem, 6vw, 3rem) !important;
  word-break: break-word;
}

/* Mobile Navbar Spacing & Action Controls (<= 768px) */
@media (max-width: 768px) {
  .nav-actions {
    gap: 8px;
  }
  
  .nav-actions .btn-sm {
    padding: 6px 12px !important;
    font-size: 0.75rem !important;
    white-space: nowrap;
  }
  
  .theme-toggle, .mobile-toggle {
    width: 36px;
    height: 36px;
  }
}

/* Ultra-Compact Mobile Header (<= 380px) */
@media (max-width: 380px) {
  .navbar-container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .brand-logo {
    gap: 8px;
  }

  .brand-logo img {
    height: 28px !important;
    width: auto;
  }

  .brand-logo span {
    font-size: 0.875rem !important;
    white-space: nowrap;
  }

  .nav-actions {
    gap: 6px;
  }

  .nav-actions .btn-sm {
    padding: 5px 8px !important;
    font-size: 0.7rem !important;
  }
  
  .theme-toggle, .mobile-toggle {
    width: 32px;
    height: 32px;
  }
}

/* Touch-Friendly Grid Tracks (<= 640px) */
@media (max-width: 640px) {
  .apps-grid, .tools-grid, .blog-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
    gap: 20px !important;
  }

  .app-card, .tool-card, .blog-card {
    padding: 20px !important;
  }
}

/* Blog Page Mobile Optimizations */
@media (max-width: 640px) {
  .blog-search-wrapper {
    width: 100% !important;
  }

  .blog-search-input {
    min-height: 44px;
    font-size: 0.9375rem !important;
    padding-left: 44px !important;
  }

  .filter-pills-container {
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-btn {
    min-height: 38px;
    padding: 8px 16px !important;
    font-size: 0.8438rem !important;
    white-space: nowrap;
  }
}

/* Mobile Footer Alignment (<= 600px) */
@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}