@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Vazirmatn:wght@300;400;600;800;900&display=swap');

:root {
  --primary-color: #660D33;
  --primary-rgb: 102, 13, 51;
  --accent-color: #b01359;
  --accent-rgb: 176, 19, 89;
  --gradient-main: linear-gradient(135deg, #660D33 0%, #b01359 100%);
  --gradient-glow: radial-gradient(circle at 50% 50%, rgba(176, 19, 89, 0.15) 0%, transparent 60%);
  
  --bg-color: #f8fafc;
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-border: rgba(226, 232, 240, 0.8);
  --text-color: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  
  --font-main: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.02);
  --shadow-md: 0 10px 25px -5px rgba(102, 13, 51, 0.05), 0 8px 16px -6px rgba(102, 13, 51, 0.05);
  --shadow-lg: 0 20px 40px -10px rgba(102, 13, 51, 0.08), 0 10px 20px -12px rgba(102, 13, 51, 0.08);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

[data-theme="dark"] {
  --bg-color: #0b0f19;
  --card-bg: rgba(20, 26, 42, 0.7);
  --card-border: rgba(51, 65, 85, 0.5);
  --text-color: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: #1e293b;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-color: #0b0f19;
    --card-bg: rgba(20, 26, 42, 0.7);
    --card-border: rgba(51, 65, 85, 0.5);
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #1e293b;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-color) transparent;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background-image: var(--gradient-glow);
  background-attachment: fixed;
  background-size: cover;
}

/* Typography settings for LTR */
[dir="ltr"] {
  --font-main: 'Outfit', sans-serif;
}

/* Base Styles */
a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover {
  color: var(--primary-color);
}

/* Header & Navigation */
header {
  background-color: rgba(var(--primary-rgb), 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.6rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.5px;
  transition: var(--transition-fast);
}
.logo-link:hover {
  transform: scale(1.02);
}
.logo-link img {
  height: 48px;
  width: 48px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-menu {
  display: flex;
  gap: 0.75rem;
  list-style: none;
}

.nav-menu a {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  font-size: 0.95rem;
  display: inline-block;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

/* Language Selector Dropdown */
.lang-selector-wrapper {
  position: relative;
}
.lang-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}
.lang-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}
.lang-btn::after {
  content: '▼';
  font-size: 0.65rem;
  opacity: 0.8;
  margin-right: 0.25rem;
}
[dir="ltr"] .lang-btn::after {
  margin-right: 0;
  margin-left: 0.25rem;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background-color: var(--card-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  display: none;
  min-width: 140px;
  z-index: 1100;
  animation: slideIn 0.2s ease-out;
}
[dir="ltr"] .lang-dropdown {
  left: auto;
  right: 0;
}

@keyframes slideIn {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.lang-dropdown.show {
  display: block;
}

.lang-option {
  width: 100%;
  padding: 0.6rem 1rem;
  background: none;
  border: none;
  color: var(--text-color);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: right;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
[dir="ltr"] .lang-option {
  text-align: left;
}
.lang-option:hover {
  background-color: rgba(var(--accent-rgb), 0.1);
  color: var(--accent-color);
}
.lang-option.active {
  background-color: var(--primary-color);
  color: #ffffff;
}

/* Hamburger menu for mobile */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.6rem;
  cursor: pointer;
}

/* Main Layout */
main {
  flex: 1;
  max-width: 1000px;
  width: 100%;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

/* Hero Section (Index/Landing Page) */
.hero {
  text-align: center;
  padding: 5rem 2rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, #8f0f48 50%, var(--accent-color) 100%);
  color: white;
  border-radius: var(--radius-lg);
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 75% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.25;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
.hero p {
  font-size: 1.25rem;
  opacity: 0.95;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1.05rem;
  box-shadow: var(--shadow-sm);
  font-family: var(--font-main);
}

.btn-primary {
  background-color: #ffffff;
  color: var(--primary-color);
}
.btn-primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.15);
}

.btn-outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.1);
}

/* Card Content / General Pages */
.content-card {
  background-color: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
}
.content-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-main);
}

.content-card h1 {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}
[data-theme="dark"] .content-card h1 {
  color: #ffffff;
}

.meta-date {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  display: block;
}

.content-section {
  margin-bottom: 3rem;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.content-section:last-child {
  margin-bottom: 0;
}

.content-section h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.content-section p {
  margin-bottom: 1.2rem;
  color: var(--text-color);
  font-size: 1.05rem;
  line-height: 1.85;
}

.content-section ul,
.content-section ol {
  padding-right: 2rem;
  margin-bottom: 2rem;
}
[dir="ltr"] .content-section ul,
[dir="ltr"] .content-section ol {
  padding-right: 0;
  padding-left: 2rem;
}

.content-section li {
  margin-bottom: 0.75rem;
  font-size: 1.02rem;
}

/* Feature grid items on Landing Page */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.feature-box {
  padding: 2rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.feature-box:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--accent-rgb), 0.3);
  background: rgba(var(--accent-rgb), 0.02);
  box-shadow: var(--shadow-md);
}

.feature-box h3 {
  color: var(--accent-color);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 800;
}
.feature-box p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Footer styling */
footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 4rem 2rem 2rem;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-info h3 {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
}
.footer-info p {
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-links h4 {
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: #94a3b8;
  font-weight: 600;
  transition: var(--transition-fast);
}
.footer-links a:hover {
  color: #ffffff;
  padding-right: 4px;
}
[dir="ltr"] .footer-links a:hover {
  padding-right: 0;
  padding-left: 4px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
}

/* Announcement list / styles */
.announcement-item {
  border-bottom: 1px solid var(--border-color);
  padding: 2rem 0;
  animation: fadeIn 0.4s ease-out;
}
.announcement-item:last-child {
  border-bottom: none;
}

.announcement-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.announcement-tag {
  background-color: rgba(var(--accent-rgb), 0.1);
  color: var(--accent-color);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 800;
}

.announcement-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 0.75rem;
}

/* Responsive design */
@media (max-width: 900px) {
  .nav-container {
    padding: 1rem;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(102, 13, 51, 0.98);
    padding: 1.5rem;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu a {
    width: 100%;
    text-align: center;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .content-card {
    padding: 2rem 1.5rem;
  }
}