@font-face {
  font-family: 'Vazirmatn';
  src: url('/static/fonts/Vazirmatn-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('/static/fonts/Vazirmatn-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-primary: #0b0f17;
  --bg-secondary: #111827;
  --bg-card: rgba(23, 32, 51, 0.7);
  --bg-card-hover: rgba(30, 41, 67, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --primary-hover: #4f46e5;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-en: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-fa: 'Vazirmatn', -apple-system, BlinkMacSystemFont, Tahoma, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-en);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

body[dir="rtl"], body.lang-fa {
  font-family: var(--font-fa);
}

/* Background Ambient Glows */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary), transparent 70%);
  top: -100px;
  right: -50px;
}
.glow-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
  bottom: 10%;
  left: -100px;
}

/* Header & Navbar */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Switcher */
.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-focus);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Main Container */
main {
  flex: 1;
  z-index: 1;
}

/* Hero Section */
.hero-section {
  padding: 5rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: #a5b4fc;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 540px;
}

/* Download Cards / Buttons Group */
.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.download-pill {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.download-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-focus);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.4);
}

.download-pill.primary-apk {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.15));
  border-color: rgba(99, 102, 241, 0.4);
}

.download-pill.primary-apk:hover {
  border-color: #818cf8;
}

.pill-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.pill-content {
  display: flex;
  flex-direction: column;
}

.pill-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pill-title {
  font-size: 0.95rem;
  font-weight: 700;
}

/* Phone Mockup Frame */
.mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 310px;
  background: #1e293b;
  border-radius: 46px;
  padding: 10px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.75),
              0 0 0 1px rgba(255, 255, 255, 0.12),
              0 0 45px var(--primary-glow);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.phone-mockup:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 70px -15px rgba(0, 0, 0, 0.8),
              0 0 0 1px rgba(255, 255, 255, 0.18),
              0 0 55px var(--primary-glow);
}

.screen-inner {
  width: 100%;
  aspect-ratio: 524 / 1024;
  background: #0f172a;
  border-radius: 36px;
  display: flex;
  overflow: hidden;
  position: relative;
}

.phone-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Features Section */
.features-section {
  padding: 6rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 4rem;
}

.section-tag {
  color: #818cf8;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.6rem;
  display: block;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
}

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

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  background: rgba(99, 102, 241, 0.12);
  color: #818cf8;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Legal Pages (Privacy Policy & Terms) */
.legal-container {
  max-width: 860px;
  margin: 3rem auto 6rem;
  padding: 0 1.5rem;
}

.legal-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.legal-badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.legal-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
}

.legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.legal-content {
  font-size: 1.02rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.legal-content h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 2.2rem 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.legal-content p {
  margin-bottom: 1.2rem;
}

.legal-content ul, .legal-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

body[dir="rtl"] .legal-content ul, body[dir="rtl"] .legal-content ol {
  margin: 1rem 1.5rem 1.5rem 0;
}

.legal-content li {
  margin-bottom: 0.6rem;
}

.legal-callout {
  background: rgba(99, 102, 241, 0.08);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 1.8rem 0;
}

body[dir="rtl"] .legal-callout {
  border-left: none;
  border-right: 4px solid var(--primary);
}

.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
}

.contact-box a {
  color: #818cf8;
  text-decoration: none;
  font-weight: 600;
}

.contact-box a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 4rem 1.5rem 2.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 360px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
}

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

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .hero-section {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 3rem;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .download-buttons {
    justify-content: center;
  }
  .mockup-wrapper {
    margin-top: 1rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Transparency Section (Google Compliance) */
.transparency-section {
  padding: 2rem 1.5rem 5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.transparency-card {
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

.transparency-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
}

.transparency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.8rem 0;
}

.transparency-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.transparency-item h4 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: #a5b4fc;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.transparency-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}