/* ==========================================================================
   BSP FREE SERVICE - Primary Design System
   Modern, Clean, Professional, Technology/AI Inspired
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --primary-navy: #0F172A;
  --primary-dark: #0B1120;
  --secondary-blue: #2563EB;
  --secondary-blue-hover: #1D4ED8;
  --accent-cyan: #06B6D4;
  --accent-cyan-light: #38BDF8;
  --accent-purple: #8B5CF6;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --whatsapp-green: #22C55E;
  --whatsapp-hover: #16A34A;

  /* Light Mode Surfaces & Text */
  --bg-body: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-color: #E2E8F0;
  --border-hover: #CBD5E1;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.25);
  --glow-blue: 0 0 20px rgba(37, 99, 235, 0.25);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-urdu: 'Noto Nastaliq Urdu', 'Jameel Noori Nastaleeq', 'Urdu Typesetting', 'Segoe UI', serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Layout */
  --header-height: 72px;
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

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

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Accessibility Focus Visible */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography Helpers */
.text-cyan { color: var(--accent-cyan); }
.text-blue { color: var(--secondary-blue); }
.text-muted { color: var(--text-muted); }
.text-urdu { font-family: var(--font-urdu); direction: rtl; }
.urdu-quote {
  font-family: var(--font-urdu);
  font-size: 1.25rem;
  line-height: 2.2;
  color: var(--secondary-blue);
  direction: rtl;
  margin: 0.75rem 0;
  font-weight: 600;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: rgba(6, 182, 212, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

.brand-logo img {
  height: 42px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--secondary-blue);
  background-color: rgba(37, 99, 235, 0.06);
}

.nav-link.active {
  color: var(--secondary-blue);
  background-color: rgba(37, 99, 235, 0.08);
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Header Search Trigger Button */
.header-search-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.header-search-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.15);
}

.header-search-btn kbd {
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: rotate(15deg);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--text-primary);
}

.mobile-toggle span {
  width: 20px;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary-blue) 0%, #1E40AF 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
  background: linear-gradient(135deg, #1D4ED8 0%, #1E3A8A 100%);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
}

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

.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.3);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.45);
}

.btn-cyan {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #0284C7 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.45);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.badge-free {
  background-color: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-cyan {
  background-color: rgba(6, 182, 212, 0.12);
  color: #0284C7;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-purple {
  background-color: rgba(139, 92, 246, 0.12);
  color: #7C3AED;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-blue {
  background-color: rgba(37, 99, 235, 0.12);
  color: #1D4ED8;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary-blue);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subheading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary-blue);
  margin-bottom: 0.75rem;
}

.hero-supporting {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

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

.hero-visual img {
  width: 100%;
  max-width: 520px;
  filter: drop-shadow(0 20px 30px rgba(15, 23, 42, 0.15));
  animation: floatSlow 6s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-pill {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--secondary-blue);
  background-color: rgba(37, 99, 235, 0.08);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.75px;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

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

/* Sections Layout */
.section {
  padding: 4.5rem 0;
}

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

/* Category Cards Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.category-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-blue), var(--accent-cyan));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.category-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-xl), var(--glow-cyan);
}

.category-card:hover::before {
  opacity: 1;
}

.category-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-blue);
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.category-card:hover .category-icon-wrap {
  background: var(--secondary-blue);
  color: #FFFFFF;
  transform: scale(1.05);
}

.category-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.category-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.category-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.category-count {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* Resource Cards Grid */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

/* Card Base */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.card-media {
  position: relative;
  overflow: hidden;
  background-color: var(--primary-navy);
  aspect-ratio: 16 / 9;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-media img {
  transform: scale(1.05);
}

.card-badge-top {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* Why BSP Benefits Grid */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.benefit-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-fast);
}

.benefit-card:hover {
  border-color: var(--secondary-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-blue);
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.benefit-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.benefit-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-navy) 0%, #1E3A8A 100%);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
  letter-spacing: -0.5px;
}

.cta-desc {
  font-size: 1.15rem;
  color: #CBD5E1;
  max-width: 650px;
  margin: 0 auto 2rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Site Footer */
.site-footer {
  background-color: var(--primary-navy);
  color: #94A3B8;
  border-top: 1px solid #1E293B;
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-logo {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.95rem;
  color: #CBD5E1;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.footer-urdu {
  font-family: var(--font-urdu);
  font-size: 1rem;
  color: #38BDF8;
  direction: rtl;
  margin-bottom: 1.25rem;
}

.footer-info {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #94A3B8;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: #38BDF8;
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-notice {
  font-size: 0.8rem;
  color: #64748B;
  max-width: 700px;
  line-height: 1.5;
}

/* Floating WhatsApp Button */
.whatsapp-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.45);
  transition: all var(--transition-fast);
}

.whatsapp-floating:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 30px rgba(34, 197, 94, 0.6);
  color: #FFFFFF;
}

.whatsapp-icon-pulse {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .categories-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (max-width: 868px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-supporting {
    margin-left: auto;
    margin-right: auto;
  }

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

  .nav-menu {
    display: none; /* Handled by mobile drawer */
  }

  .mobile-toggle {
    display: flex;
  }

  .categories-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-title {
    font-size: 2.4rem;
  }

  .section-title {
    font-size: 1.85rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .cta-title {
    font-size: 1.75rem;
  }

  .cta-banner {
    padding: 2.5rem 1.5rem;
  }

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

  .whatsapp-floating span {
    display: none;
  }

  .whatsapp-floating {
    padding: 0.85rem;
    border-radius: 50%;
  }
}