/* ==========================================================================
   Unauthorized Developers & Dream Paisa - Unified Design System
   Optimized for Performance, Mobile Usability, & Core Web Vitals
   ========================================================================== */

:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: #131d33;
  --bg-card-hover: #18243f;
  --border: #1e293b;
  --border-light: #334155;
  --border-focus: #10b981;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-glow: rgba(16, 185, 129, 0.25);
  --accent-cyan: #38bdf8;
  --accent-indigo: #6366f1;
  --gradient-brand: linear-gradient(135deg, #10b981 0%, #38bdf8 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --container-max: 1200px;
  --container-prose: 820px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography & Heading Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.65rem); }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-cyan);
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: var(--container-prose);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 16px 0;
  font-size: 0.875rem;
  color: var(--text-subtle);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--border-light);
}

.breadcrumbs a {
  color: var(--text-muted);
}

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

.breadcrumbs [aria-current="page"] {
  color: var(--text-main);
  font-weight: 500;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(9, 13, 22, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--primary);
  color: #090d16;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background-color: var(--primary-hover);
  color: #090d16;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  border: 1px solid rgba(16, 185, 129, 0.25);
  margin-bottom: 20px;
}

.badge-blue {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.25);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #090d16;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #090d16;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-light);
  color: var(--text-main);
  transform: translateY(-2px);
}

.btn-playstore {
  background: #000;
  color: #fff;
  border: 1px solid var(--border-light);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.btn-playstore:hover {
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 72px 0 60px;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero h1 {
  margin-bottom: 20px;
}

.hero p.lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-card {
  position: relative;
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  max-width: 340px;
}

.device-frame {
  border-radius: 24px;
  overflow: hidden;
  border: 6px solid #1e293b;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  background: #000;
}

/* Sections */
.section {
  padding: 72px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.cards-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.975rem;
}

/* Featured Product Section */
.featured-product {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(56, 189, 248, 0.05) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 44px;
  margin: 36px 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.app-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.app-title-group h3 {
  font-size: 1.75rem;
  color: var(--text-main);
}

.app-subtitle {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Screenshots Gallery */
.gallery-container {
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-light) transparent;
}

.gallery-track {
  display: flex;
  gap: 20px;
  min-width: min-content;
}

.gallery-item {
  width: 240px;
  flex-shrink: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-md);
  transition: transform 0.25s ease;
}

.gallery-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.gallery-caption {
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border);
}

/* FAQ Accordion */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--border-light);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--primary);
  transition: transform 0.25s ease;
}

.faq-answer {
  padding: 0 24px 20px;
  display: none;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* Legal & Text Content */
.legal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px;
  margin-top: 24px;
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 32px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
}

.legal-content h3 {
  font-size: 1.2rem;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--accent-cyan);
}

.legal-content p, .legal-content ul, .legal-content ol {
  margin-bottom: 18px;
  font-size: 1rem;
  color: var(--text-muted);
}

.legal-content ul, .legal-content ol {
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
}

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

.legal-meta {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-subtle);
  margin-top: 8px;
}

/* Call to Action Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 56px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 56px 0 20px;
}

.cta-banner h2 {
  margin-bottom: 16px;
}

.cta-banner p {
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 1.15rem;
}

/* Contact Details Card */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.contact-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-card .card-icon {
  margin-bottom: 8px;
}

/* Footer */
.site-footer {
  background-color: #05080f;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand p {
  font-size: 0.95rem;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.925rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-subtle);
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-content, .featured-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-xl);
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .cards-grid-3 {
    grid-template-columns: 1fr;
  }

  .legal-content {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}