/* ========================================
   Baji365 - Global Styles
   ======================================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #D4AF37;
  --color-secondary: #1A1A2E;
  --color-accent: #E94560;
  
  --bg-primary: #0F0F1E;
  --bg-secondary: #16213E;
  --bg-tertiary: #1A1A2E;
  --bg-light: #FFFFFF;
  
  --text-primary: #FFFFFF;
  --text-secondary: #B8B8B8;
  --text-muted: #808080;
  
  --success: #00D9A3;
  --warning: #FFA500;
  --error: #E94560;
  --info: #3498DB;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 20px rgba(212, 175, 55, 0.3);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Bengali", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 40px;
  }
}

/* Top Info Bar */
.top-bar {
  background: var(--bg-secondary);
  padding: 10px 0;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar a {
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

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

/* Header */
.header {
  background: var(--bg-tertiary);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

/* Logo */
.logo-container {
  width: 180px;
  height: 50px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-container img,
.logo-container svg {
  max-width: 100%;
  max-height: 100%;
  height: auto;
  width: auto;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  flex: 1;
  justify-content: center;
}

.nav-list {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-base);
  white-space: nowrap;
}

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

/* Header CTA Buttons */
.header-cta {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 8px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #D4AF37 0%, #F4D03F 100%);
  color: var(--bg-secondary);
  box-shadow: 0 4px 8px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(212, 175, 55, 0.4);
  color: var(--bg-secondary);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 10px 30px;
}

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

.btn-register {
  background: linear-gradient(135deg, #D4AF37 0%, #F4D03F 100%);
  color: var(--bg-secondary);
  padding: 10px 24px;
  box-shadow: 0 4px 8px rgba(212, 175, 55, 0.3);
}

.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(212, 175, 55, 0.4);
  color: var(--bg-secondary);
}

.btn-login {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 8px 24px;
}

.btn-login:hover {
  background: var(--color-primary);
  color: var(--bg-secondary);
}

/* Hero Banner */
.hero-banner {
  position: relative;
  width: 100%;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.hero-banner img,
.hero-banner svg {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
  color: var(--text-primary);
}

.section-title span {
  color: var(--color-primary);
}

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Grid Layouts */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
}

/* Cards */
.card {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(212, 175, 55, 0.3);
}

.card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Category Cards */
.category-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid rgba(212, 175, 55, 0.1);
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.category-card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
}

.category-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.category-card-desc {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* Content Section */
.content-section {
  max-width: 900px;
  margin: 0 auto;
}

.content-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.content-section h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.content-section p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.content-section ul,
.content-section ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.content-section li {
  margin-bottom: 12px;
  line-height: 1.7;
  color: var(--text-secondary);
  list-style: disc;
}

.content-section ol li {
  list-style: decimal;
}

/* Breadcrumb */
.breadcrumb {
  padding: 20px 0;
  background: var(--bg-secondary);
}

.breadcrumb-list {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb-item {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.breadcrumb-item:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--text-muted);
}

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

.breadcrumb-item.active {
  color: var(--color-primary);
}

/* FAQ Section */
.faq-item {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background var(--transition-base);
}

.faq-question:hover {
  background: rgba(212, 175, 55, 0.05);
}

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-question.active::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-content {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer.active {
  max-height: 500px;
}

/* Video Section */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: 60px 40px;
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(212, 175, 55, 0.2);
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: 60px 0 20px;
  border-top: 2px solid rgba(212, 175, 55, 0.2);
}

.footer-main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: var(--text-secondary);
  transition: color var(--transition-base);
  font-size: 0.9375rem;
}

.footer-link:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 0.9375rem;
}

.footer-contact strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* 404 Page */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.error-content h1 {
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.error-content h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.error-content p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.125rem;
}

.error-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* Responsive Design */
@media (max-width: 1023px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-tertiary);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-list {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }
  
  .header-cta {
    margin-top: 16px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: 1.75rem;
    margin-bottom: 32px;
  }
  
  .logo-container {
    width: 140px;
    height: 40px;
  }
  
  .hero-banner {
    min-height: 300px;
  }
  
  .cta-title {
    font-size: 1.5rem;
  }
  
  .error-content h1 {
    font-size: 4rem;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .top-bar .container {
    justify-content: center;
  }
  
  .top-bar-left,
  .top-bar-right {
    font-size: 0.8125rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.hidden {
  display: none;
}

.visible {
  display: block;
}