/* ============================================
   تلگرافی - Modern Design System
   ============================================ */
@font-face {
    font-family: 'Peyda';
    src: url('/static/fonts/Peyda.ttf') format('ttf');
    font-weight: normal;
    font-style: normal;
}

* {
    font-family: 'Peyda', sans-serif !important;
}

:root {
  /* ============================================
     Color Palette - Modern Tech/SaaS
     ============================================ */
  
  /* Brand Colors */
  --color-primary-50: #eef2ff;
  --color-primary-100: #e0e7ff;
  --color-primary-200: #c7d2fe;
  --color-primary-300: #a5b4fc;
  --color-primary-400: #818cf8;
  --color-primary-500: #6366f1; /* Main Primary */
  --color-primary-600: #4f46e5;
  --color-primary-700: #4338ca;
  --color-primary-800: #3730a3;
  --color-primary-900: #312e81;

  /* Accent Colors (Vibrant Orange/Coral) */
  --color-accent-50: #fff7ed;
  --color-accent-100: #ffedd5;
  --color-accent-500: #f97316;
  --color-accent-600: #ea580c;
  
  /* Success/Error/Warning */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Light Mode Variables */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-secondary: #f1f5f9;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  
  /* Gradient */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
  --gradient-accent: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
  --gradient-glow: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);

  /* Typography */
  --font-family: 'Vazirmatn', system-ui, sans-serif;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

/* ============================================
   Dark Mode Theme
   ============================================ */
[data-theme="dark"] {
  --bg-body: #0f172a; /* Slate 900 */
  --bg-surface: #1e293b; /* Slate 800 */
  --bg-surface-secondary: #334155; /* Slate 700 */
  
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-light: #94a3b8;
  
  --border-color: #334155;
  --border-color-hover: #475569;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
  
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  
  --gradient-primary: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
}

/* ============================================
   Base Reset & Styles
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  direction: rtl;
  text-align: right;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

/* ============================================
   Typography Components
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* ============================================
   Utility Classes
   ============================================ */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.card-modern {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

/* اطمینان از اعمال border-radius کامل برای بنرهای آبی */
.card-modern.bg-primary,
.card-modern[class*="bg-primary"] {
  border-radius: var(--radius-xl) !important;
  overflow: hidden !important;
}

.card-modern.bg-primary > *,
.card-modern[class*="bg-primary"] > * {
  border-radius: inherit;
}

/* اطمینان از اعمال border-radius برای div داخلی با gradient */
.card-modern.bg-primary .position-absolute[style*="gradient"],
.card-modern[class*="bg-primary"] .position-absolute[style*="gradient"] {
  border-radius: var(--radius-xl) !important;
}

.card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-modern:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-300);
}

[data-theme="dark"] .card-modern:hover {
  border-color: var(--color-primary-700);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--color-primary-600);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
  background: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.23);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--color-primary-500);
  color: var(--color-primary-500);
  background: var(--bg-surface-secondary);
}

/* ============================================
   Modern Floating Navbar
   ============================================ */
.navbar-modern {
  padding: 1.5rem 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
}

.navbar-modern .container,
.navbar-modern .container-fluid,
.navbar-modern .container-xl {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 0.75rem 1.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-main) !important;
  font-weight: 800;
  font-size: 1.25rem;
  padding: 0;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  padding: 0.6rem 1.2rem !important;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  margin: 0 0.25rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary-600) !important;
  background: var(--color-primary-50);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--color-primary-400) !important;
  background: rgba(99, 102, 241, 0.15);
}

.navbar-toggler {
  border: none;
  padding: 0;
  color: var(--text-main);
}

.navbar-toggler:focus {
  box-shadow: none;
}

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

/* Mobile Menu Adjustments */
@media (max-width: 991.98px) {
  .navbar-modern {
    padding: 1rem;
  }

  .navbar-modern .container,
  .navbar-modern .container-fluid,
  .navbar-modern .container-xl {
    border-radius: var(--radius-xl);
    flex-wrap: wrap;
    padding: 1rem;
  }

  .navbar-brand {
    margin-right: 0;
  }

  .navbar .container {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .navbar-header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
    width: 100%;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .navbar-brand {
    margin: 0 !important;
    order: 1;
    flex-shrink: 0;
  }

  .navbar-header-wrapper > .d-flex {
    margin: 0 !important;
    order: 2;
    flex-shrink: 0;
  }

  .navbar-toggler {
    margin: 0 !important;
    color: var(--text-main) !important;
    flex-shrink: 0;
  }

  .theme-toggle-btn {
    border: none;
    background: transparent;
    color: var(--text-main);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .theme-toggle-btn i {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .theme-toggle-btn:hover {
    background: var(--bg-surface-secondary);
    color: var(--color-primary-600);
  }

  .navbar-collapse {
    width: 100%;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    flex-shrink: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-10px);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
  }

  .navbar-collapse.show {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    transform: translateY(0);
    opacity: 1;
    max-height: 1000px;
  }

  .navbar-collapse.collapsing {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }

  @media (min-width: 992px) {
    .navbar-header-wrapper {
      flex-direction: row;
      width: auto;
    }

    .navbar .container {
      flex-direction: row;
    }

    .navbar-collapse {
      margin-top: 0;
      padding-top: 0;
      border-top: none;
    }
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    filter: brightness(0) saturate(100%);
  }

  [data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
    filter: brightness(0) saturate(100%) invert(1);
  }

  .navbar-nav {
    margin-bottom: 1rem !important;
  }

  .navbar-actions {
    justify-content: space-between;
    width: 100%;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
  }
}

/* ============================================
   Modern Footer
   ============================================ */
.footer-modern {
  background: var(--bg-surface);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-main);
}

.footer-desc {
  color: var(--text-muted);
  max-width: 300px;
  margin-bottom: 2rem;
}

.footer-links h5 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-primary-500);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: right;
  }
}


/* ============================================
   Theme Toggle Button
   ============================================ */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.theme-toggle-btn i {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
  background: var(--bg-surface-secondary);
  border-color: var(--text-muted);
}

/* ============================================
   Navbar Glass (for all pages)
   ============================================ */
.navbar-glass {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.navbar-glass .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.navbar-glass .navbar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-glass .navbar-nav .nav-item {
  margin: 0 0.25rem;
}

/* Center navbar items */
@media (min-width: 992px) {
  .navbar-glass .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
  }
  
  .navbar-glass .navbar-collapse {
    display: flex !important;
    justify-content: center;
    width: 100%;
  }
  
  .navbar-glass .navbar-nav {
    margin: 0 auto;
    justify-content: center;
  }
  
  .navbar-glass .navbar-brand {
    grid-column: 1;
  }
  
  .navbar-glass .navbar-collapse {
    grid-column: 2;
  }
  
  .navbar-glass .d-flex.align-items-center.gap-3 {
    grid-column: 3;
    justify-content: flex-end;
  }
}

/* Smooth scroll sections */
html {
  scroll-behavior: smooth;
}

section {
  scroll-margin-top: 100px;
}

/* Section containers */
.section-container {
  padding: 4rem 0;
}

.max-w-4xl {
  max-width: 56rem;
  margin: 0 auto;
}

.max-w-6xl {
  max-width: 72rem;
  margin: 0 auto;
}

.max-w-3xl {
  max-width: 48rem;
  margin: 0 auto;
}