/* ==========================================================
   Mehra Foundation - Unified Design System & Stylesheet
   Modern, Dark Mode First, Glassmorphic & Responsive
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --primary: linear-gradient(135deg, #6C63FF 0%, #3B82F6 100%);
  --primary-accent: #6C63FF;
  --primary-accent-hover: #584ee4;
  --primary-glow: rgba(108, 99, 255, 0.35);
  --secondary-gradient: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
  --danger-gradient: linear-gradient(135deg, #EF4444 0%, #F97316 100%);
  
  --bg: #0D0F14;
  --bg-surface: #141721;
  --bg-surface-elevated: #1B1F2D;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-hover: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(20, 23, 33, 0.75);
  
  --text: #F0F0F5;
  --text-secondary: #C3C7DB;
  --muted: #8B8FA3;
  --border: rgba(255, 255, 255, 0.09);
  --border-highlight: rgba(108, 99, 255, 0.4);
  
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(108, 99, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(59, 130, 246, 0.07) 0%, transparent 45%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: #FFFFFF;
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

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

/* Gradient Text Helper */
.gradient-text {
  background: var(--primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* Animations */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.7s ease forwards;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: #FFFFFF;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

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

.nav-link:hover {
  color: #FFFFFF;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.5);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--card-bg);
  color: #FFFFFF;
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-playstore {
  background: #FFFFFF;
  color: #0D0F14;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.btn-playstore:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.25);
  color: #0D0F14;
}

.btn-danger {
  background: var(--danger-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.45);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(108, 99, 255, 0.15);
  color: #A5B4FC;
  border: 1px solid rgba(108, 99, 255, 0.3);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 5.5rem 0 4.5rem;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.25) 0%, rgba(59, 130, 246, 0.05) 60%, transparent 70%);
  filter: blur(50px);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  object-fit: contain;
  margin: 0 auto 1.5rem;
  display: block;
  box-shadow: 0 12px 35px rgba(108, 99, 255, 0.35);
  animation: fadeInUp 0.7s ease;
}

.hero .badge {
  margin: 0 auto 1.4rem;
  align-self: center;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  line-height: 1.18;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.2rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Section Header */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  background: var(--card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(108, 99, 255, 0.12);
  border: 1px solid rgba(108, 99, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.4rem;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Apps Grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.app-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
}

.app-card:hover {
  background: var(--card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

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

.app-card-top {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.1rem;
}

.app-card-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  object-fit: cover;
  background: #1e2230;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
}

.app-card-meta {
  flex: 1;
  min-width: 0;
}

.app-card-title {
  font-size: 1.18rem;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-card-badge {
  font-size: 0.75rem;
  color: #A5B4FC;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.app-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.4rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.55;
}

.app-card-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: auto;
}

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

/* About / Stats Banner */
.about-banner {
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.12), rgba(59, 130, 246, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}

.about-banner h2 {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
}

.about-banner p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat-item h4 {
  font-size: 2rem;
  font-weight: 800;
  color: #FFFFFF;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

/* Contact Section */
.contact-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.contact-card h2 {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
}

.contact-card p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.contact-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact-email-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(108, 99, 255, 0.15);
  border: 1px solid rgba(108, 99, 255, 0.4);
  color: #FFFFFF;
  padding: 1rem 1.8rem;
  border-radius: var(--radius-lg);
  font-size: 1.08rem;
  font-weight: 600;
  transition: var(--transition);
}

.contact-email-btn:hover {
  background: var(--primary);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px var(--primary-glow);
  color: #FFFFFF;
}

.contact-phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #FFFFFF;
  padding: 1rem 1.8rem;
  border-radius: var(--radius-lg);
  font-size: 1.08rem;
  font-weight: 600;
  transition: var(--transition);
}

.contact-phone-btn:hover {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.35);
  color: #FFFFFF;
}

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: #090B0F;
  padding: 3.5rem 0 2rem;
}

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

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 360px;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  color: #FFFFFF;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-col a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

/* ==========================================================
   App Detail & Sub-page Specific Styles
   ========================================================== */
/* App Header Theme Variants */
.app-header {
  background: linear-gradient(135deg, #4F46E5 0%, #2563EB 100%);
  padding: 4.5rem 1.5rem 3.5rem;
  text-align: center;
  color: white;
  box-shadow: 0 6px 35px rgba(79, 70, 229, 0.35);
  position: relative;
}

/* Privacy Policy: Teal / Emerald */
.app-header.app-privacy {
  background: linear-gradient(135deg, #059669 0%, #0D9488 100%);
  box-shadow: 0 6px 35px rgba(13, 148, 136, 0.35);
}

/* Account Deletion: Vibrant Red / Orange */
.app-header.app-danger {
  background: linear-gradient(135deg, #DC2626 0%, #EA580C 100%);
  box-shadow: 0 6px 35px rgba(220, 38, 38, 0.35);
}

/* Support & FAQs: Violet / Purple */
.app-header.app-support {
  background: linear-gradient(135deg, #7C3AED 0%, #9333EA 100%);
  box-shadow: 0 6px 35px rgba(124, 58, 237, 0.35);
}

.app-header .container-narrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.app-header-icon {
  width: 110px;
  height: 110px;
  border-radius: 26px;
  border: 3px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  object-fit: cover;
  background-color: rgba(255, 255, 255, 0.1);
  margin: 0 auto 1.2rem;
  display: block;
  animation: fadeInUp 0.6s ease;
}

.app-header .badge {
  margin: 0 auto 1rem;
  align-self: center;
}

.app-header h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  animation: fadeInUp 0.7s ease;
}

.app-header p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 650px;
  margin: 0 auto 1.5rem;
  animation: fadeInUp 0.8s ease;
}

.app-nav-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.app-nav-link {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.85);
  padding: 0.65rem 1.3rem;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.app-nav-link:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Distinctive Selected States for Each Hub Option */
.app-nav-link.active,
.app-nav-link.active-overview {
  background: #FFFFFF !important;
  color: #1E1B4B !important;
  border-color: #FFFFFF !important;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.45);
  font-weight: 700;
  transform: translateY(-2px);
}

.app-nav-link.active-privacy {
  background: #FFFFFF !important;
  color: #064E3B !important;
  border-color: #FFFFFF !important;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.45);
  font-weight: 700;
  transform: translateY(-2px);
}

.app-nav-link.active-delete {
  background: #FFFFFF !important;
  color: #7F1D1D !important;
  border-color: #FFFFFF !important;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.45);
  font-weight: 700;
  transform: translateY(-2px);
}

.app-nav-link.active-support {
  background: #FFFFFF !important;
  color: #4C1D95 !important;
  border-color: #FFFFFF !important;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.45);
  font-weight: 700;
  transform: translateY(-2px);
}

/* Enhanced App Description Styling */
.app-description-text {
  line-height: 1.85;
  color: var(--text-secondary);
}

.app-description-text p {
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.app-description-text p:last-child {
  margin-bottom: 0;
}

.app-description-text .desc-bullet {
  padding-left: 0.5rem;
  margin-bottom: 0.4rem;
  display: block;
}

.content-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
}

.content-box h2 {
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  color: #FFFFFF;
}

.content-box h3 {
  font-size: 1.25rem;
  margin: 1.6rem 0 0.8rem;
  color: #FFFFFF;
}

.content-box p, .content-box li {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.content-box ul, .content-box ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.content-box li {
  margin-bottom: 0.5rem;
}

/* Feature Grid */
.features-grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0 2.5rem;
}

.feature-pill {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  transition: var(--transition);
}

.feature-pill:hover {
  background: var(--card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-3px);
}

.feature-pill h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-pill p {
  font-size: 0.92rem;
  margin: 0;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #FFFFFF;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.98rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 15px rgba(108, 99, 255, 0.3);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Responsive & Mobile Screen Optimizations */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .apps-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  /* Prevent horizontal scroll & adjust paddings */
  body {
    overflow-x: hidden;
  }
  .container, .container-narrow {
    padding: 0 1rem;
  }
  
  /* Navbar */
  .navbar {
    padding: 0.75rem 0;
  }
  .nav-menu {
    display: none;
  }
  .brand {
    font-size: 1.05rem;
  }
  .brand-logo {
    width: 34px;
    height: 34px;
  }
  .nav-actions .btn {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }

  /* Hero Section */
  .hero {
    padding: 3.5rem 0 3rem;
  }
  .hero-logo {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    margin-bottom: 1.2rem;
  }
  .hero-title {
    font-size: 1.95rem;
    line-height: 1.25;
    padding: 0 0.2rem;
  }
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.8rem;
    padding: 0 0.5rem;
  }
  .hero-cta {
    flex-direction: column;
    width: 100%;
    gap: 0.8rem;
  }
  .hero-cta .btn {
    width: 100%;
  }

  /* Sections */
  .section {
    padding: 3.5rem 0;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .section-subtitle {
    font-size: 0.95rem;
  }
  .section-header {
    margin-bottom: 2.5rem;
  }

  /* Services Grid */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .service-card {
    padding: 1.6rem 1.4rem;
  }

  /* Apps Grid */
  .apps-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .app-card {
    padding: 1.4rem;
  }
  .app-card-icon {
    width: 62px;
    height: 62px;
    border-radius: 16px;
  }
  .app-card-title {
    font-size: 1.1rem;
  }
  .app-card-actions {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }
  .app-card-actions .btn {
    width: 100%;
  }

  /* App Sub-page Header */
  .app-header {
    padding: 3.5rem 1rem 2.8rem;
  }
  .app-header-icon {
    width: 88px;
    height: 88px;
    border-radius: 20px;
    margin-bottom: 1rem;
  }
  .app-header h1 {
    font-size: 1.85rem;
  }
  .app-header p {
    font-size: 1rem;
    margin-bottom: 1.2rem;
  }

  /* Sub-navigation Hub on Mobile: Clean Full-width Vertical / Wrap */
  .app-nav-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
    margin-top: 1.4rem;
  }
  .app-nav-link {
    padding: 0.6rem 0.5rem;
    font-size: 0.82rem;
    justify-content: center;
    border-radius: 10px;
    text-align: center;
  }

  /* Content Boxes */
  .content-box {
    padding: 1.4rem 1.1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.8rem;
  }
  .content-box h2 {
    font-size: 1.35rem;
  }
  .features-grid-2col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* About & Stats */
  .about-banner {
    padding: 2rem 1.4rem;
    border-radius: var(--radius-lg);
  }
  .about-banner h2 {
    font-size: 1.7rem;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }
  .stat-item h4 {
    font-size: 1.6rem;
  }

  /* Contact & Forms */
  .contact-card {
    padding: 2.2rem 1.2rem;
    border-radius: var(--radius-lg);
  }
  .contact-card h2 {
    font-size: 1.75rem;
  }
  .contact-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.8rem;
  }
  .contact-email-btn, .contact-phone-btn {
    width: 100%;
    justify-content: center;
    font-size: 0.98rem;
    padding: 0.9rem 1.2rem;
  }
  .form-control {
    font-size: 16px; /* Prevents iOS auto-zoom on input focus */
    padding: 0.8rem 1rem;
  }
}