/* ====================================================================
   ARVIKON GROUP - DESIGN SYSTEM & MASTER STYLESHEET
   Ultra-Premium Corporate Identity & Android Ecosystem
   ==================================================================== */

:root {
  /* Color Palette */
  --primary: #4f46e5;         /* Electric Indigo */
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-glow: rgba(79, 70, 229, 0.25);

  --secondary: #0ea5e9;       /* Vibrant Sky Blue */
  --secondary-hover: #0284c7;

  --accent: #8b5cf6;          /* Neon Violet */
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  --hero-gradient: radial-gradient(120% 120% at 50% 0%, #1e1b4b 0%, #0f172a 60%, #020617 100%);
  --card-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.95) 100%);
  --dark-surface: #0f172a;
  --dark-surface-2: #1e293b;

  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --danger: #ef4444;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #818cf8;

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Space Grotesk', var(--font-main);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.35);

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 0.95rem; }

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--primary-hover);
}

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-white { color: #ffffff !important; }
.text-primary { color: var(--primary); }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2.5rem; }
.py-5 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.py-6 { padding-top: 5rem; padding-bottom: 5rem; }

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.45);
  color: #ffffff;
}

.btn-outline-dark {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline-dark:hover {
  background: #f1f5f9;
  border-color: var(--text-main);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--text-main);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-secondary { background: #f1f5f9; color: var(--text-muted); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-accent { background: #fae8ff; color: #a855f7; }

/* Top Notice Bar */
.arvikon-topbar {
  background: #090d16;
  color: #94a3b8;
  font-size: 0.8rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-links a {
  color: #94a3b8;
  margin: 0 0.25rem;
}

.topbar-links a:hover {
  color: #ffffff;
}

.topbar-links .sep {
  opacity: 0.3;
  margin: 0 0.3rem;
}

.topbar-links .admin-link {
  color: #38bdf8;
  font-weight: 600;
}

/* Header & Navbar */
.arvikon-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0.85rem 0;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
  margin-right: 0.75rem;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
  color: #0f172a;
  line-height: 1;
}

.brand-subtitle {
  font-size: 0.65rem;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
}

/* Nav Menu Items */
.nav-menu {
  gap: 1.75rem;
}

.nav-link {
  color: #334155;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0;
}

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

.nav-arrow {
  font-size: 0.7rem;
  transition: var(--transition);
}

.nav-item.dropdown {
  position: relative;
}

.nav-item.dropdown:hover .nav-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1010;
}

.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: #334155;
  font-size: 0.9rem;
  font-weight: 500;
}

.dropdown-menu li a:hover {
  background: #f8fafc;
  color: var(--primary);
  transform: translateX(4px);
}

/* Mega Dropdown for Apps */
.mega-menu {
  width: 580px;
  left: -150px;
  padding: 1.25rem;
}

.dropdown-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.dropdown-header h6 {
  font-size: 1rem;
  color: #0f172a;
}

.dropdown-header p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.dropdown-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: var(--transition);
}

.dropdown-card:hover {
  background: #f1f5f9;
  border-color: var(--border-color);
}

.dropdown-card .card-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.dropdown-card strong {
  display: block;
  font-size: 0.9rem;
  color: #0f172a;
}

.dropdown-card span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.dropdown-footer {
  border-top: 1px solid var(--border-color);
  margin-top: 1rem;
  padding-top: 0.75rem;
  font-size: 0.85rem;
}

/* Nav Actions */
.search-trigger-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  margin-right: 0.75rem;
  transition: var(--transition);
}

.search-trigger-btn:hover {
  background: #f1f5f9;
  color: var(--primary);
}

.mobile-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-toggle-btn span {
  width: 100%;
  height: 2px;
  background: #0f172a;
  border-radius: 2px;
  transition: var(--transition);
}

/* Global Hero Section */
.hero-section {
  background: var(--hero-gradient);
  color: #ffffff;
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.6;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #38bdf8;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero-title {
  color: #ffffff;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: #94a3b8;
  font-size: 1.2rem;
  max-width: 650px;
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Metrics Counter Box */
.metrics-banner {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 2.5rem;
  margin-top: -3.5rem;
  position: relative;
  z-index: 10;
  border: 1px solid var(--border-color);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item .metric-number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.metric-item .metric-label {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
}

/* App Cards Grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
}

.app-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-focus);
}

.app-card-top {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.app-icon-wrap {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
  overflow: hidden;
}

.app-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card-info h4 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
  color: #0f172a;
}

.app-meta-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.app-card-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.app-card-stats {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.app-card-actions {
  display: flex;
  gap: 0.75rem;
}

.app-card-actions .btn {
  flex: 1;
}

/* Feature & Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.service-icon-box {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.5px;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Download Portal Page */
.download-card {
  max-width: 700px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 3rem 2.5rem;
  border: 1px solid var(--border-color);
}

.app-avatar-lg {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-lg);
  margin: 0 auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.security-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.security-icon {
  font-size: 2rem;
  color: #16a34a;
}

.install-instructions {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.step-list {
  margin-left: 1.5rem;
  margin-top: 0.75rem;
}

.step-list li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: #334155;
}

/* Alerts */
.arvikon-alert {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.arvikon-alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.arvikon-alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.arvikon-alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.arvikon-alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

.close-alert {
  margin-left: auto;
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0.6;
}

.close-alert:hover { opacity: 1; }

/* Search Modal */
.search-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.search-modal.active {
  opacity: 1;
  visibility: visible;
}

.search-modal-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
}

.search-modal-content {
  position: relative;
  z-index: 2010;
  width: 90%;
  max-width: 650px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.5rem;
}

.search-input-wrapper input {
  width: 100%;
  border: none;
  outline: none;
  font-size: 1.2rem;
  font-family: var(--font-main);
  color: #0f172a;
}

.search-close-btn {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--text-muted);
}

.search-suggestions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.suggestion-tag a {
  display: inline-block;
  background: #f1f5f9;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: #334155;
}

.suggestion-tag a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Footer Styling */
.arvikon-footer {
  background: #090d16;
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  padding: 5rem 0 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.brand-widget .brand-name {
  color: #ffffff;
}

.footer-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #94a3b8;
  margin-bottom: 1.75rem;
  max-width: 360px;
}

.social-links {
  gap: 0.75rem;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-3px);
}

.widget-title {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.widget-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 25px;
  height: 2px;
  background: var(--primary);
}

.widget-list li {
  margin-bottom: 0.65rem;
}

.widget-list li a {
  color: #94a3b8;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.widget-list li a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

.footer-bottom-links a {
  color: #94a3b8;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

.footer-bottom-links .sep {
  margin: 0 0.5rem;
  opacity: 0.4;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .main-nav {
    display: none;
  }
  .mobile-toggle-btn {
    display: flex;
  }
  .hide-mobile {
    display: none !important;
  }
}

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