/* ==========================================================================
   4th SQAT Bangladesh - Design System & Theme CSS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Sora:wght@400;600;700;800&display=swap');

:root {
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;

  --background: #ffffff;
  --foreground: #141c30;
  --card: #ffffff;
  --card-foreground: #141c30;
  --popover: #ffffff;
  --popover-foreground: #141c30;

  --navy: #192244;
  --navy-deep: #0f152d;
  --navy-foreground: #f8fafc;

  --primary: #192244;
  --primary-foreground: #f8fafc;
  --secondary: #f4f6fb;
  --secondary-foreground: #192244;
  --muted: #f4f6fb;
  --muted-foreground: #64748b;
  --accent: #f0f3fa;
  --accent-foreground: #192244;
  --destructive: #ef4444;
  --destructive-foreground: #f8fafc;
  --border: #e2e8f0;
  --input: #e2e8f0;
  --ring: #3b82f6;

  --brand-red: #ea384c;
  --brand-green: #10b981;
  --brand-yellow: #f59e0b;
  --brand-blue: #3b82f6;

  --gradient-navy: linear-gradient(140deg, #0f152d 0%, #192244 55%, #1e3a8a 100%);
  --gradient-soft: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  --shadow-card: 0 1px 2px rgba(25, 34, 68, 0.04), 0 12px 32px -18px rgba(25, 34, 68, 0.22);
  --shadow-card-hover: 0 2px 4px rgba(25, 34, 68, 0.06), 0 22px 44px -20px rgba(25, 34, 68, 0.28);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-color: var(--border);
}

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

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', 'Plus Jakarta Sans', ui-sans-serif, sans-serif;
  letter-spacing: -0.025em;
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Utilities & Custom Surfaces */
.surface-navy {
  background-image: var(--gradient-navy);
  color: var(--navy-foreground);
}

.surface-soft {
  background-image: var(--gradient-soft);
}

.card-elevated {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.card-elevated-hover:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.grid-pattern {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
}

.grid-pattern-light {
  background-image:
    linear-gradient(to right, rgba(25, 34, 68, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(25, 34, 68, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-y {
  padding-top: 2.25rem;
  padding-bottom: 2.25rem;
}

@media (min-width: 768px) {
  .section-y {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }
}

/* Colors */
.text-brand-red { color: var(--brand-red); }
.text-brand-green { color: var(--brand-green); }
.text-brand-yellow { color: var(--brand-yellow); }
.text-brand-blue { color: var(--brand-blue); }
.text-navy { color: var(--navy); }
.text-navy-foreground { color: var(--navy-foreground); }
.text-muted-foreground { color: var(--muted-foreground); }
.text-foreground { color: var(--foreground); }

.bg-brand-red { background-color: var(--brand-red); }
.bg-brand-green { background-color: var(--brand-green); }
.bg-brand-yellow { background-color: var(--brand-yellow); }
.bg-brand-blue { background-color: var(--brand-blue); }
.bg-navy { background-color: var(--navy); }
.bg-navy-deep { background-color: var(--navy-deep); }
.bg-background { background-color: var(--background); }
.bg-secondary { background-color: var(--secondary); }
.bg-card { background-color: var(--card); }

.border-brand-red { border-color: var(--brand-red); }
.border-brand-green { border-color: var(--brand-green); }
.border-brand-yellow { border-color: var(--brand-yellow); }
.border-brand-blue { border-color: var(--brand-blue); }
.border-border { border-color: var(--border); }

/* Stats Cards Background & Border Themes */
.stat-card-red {
  background: linear-gradient(145deg, rgba(234, 56, 76, 0.08) 0%, rgba(254, 242, 242, 0.85) 100%) !important;
  border-color: rgba(234, 56, 76, 0.25) !important;
}
.stat-card-red:hover {
  border-color: rgba(234, 56, 76, 0.45) !important;
  box-shadow: 0 12px 28px -8px rgba(234, 56, 76, 0.18) !important;
}

.stat-card-blue {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.08) 0%, rgba(239, 246, 255, 0.85) 100%) !important;
  border-color: rgba(59, 130, 246, 0.25) !important;
}
.stat-card-blue:hover {
  border-color: rgba(59, 130, 246, 0.45) !important;
  box-shadow: 0 12px 28px -8px rgba(59, 130, 246, 0.18) !important;
}

.stat-card-green {
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.08) 0%, rgba(240, 253, 244, 0.85) 100%) !important;
  border-color: rgba(16, 185, 129, 0.25) !important;
}
.stat-card-green:hover {
  border-color: rgba(16, 185, 129, 0.45) !important;
  box-shadow: 0 12px 28px -8px rgba(16, 185, 129, 0.18) !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
}

.btn-primary {
  background-color: var(--brand-red);
  color: var(--navy-foreground);
}
.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(248, 250, 252, 0.4);
  color: var(--navy-foreground);
}
.btn-outline:hover {
  background-color: rgba(248, 250, 252, 0.1);
  color: var(--navy-foreground);
}

.btn-outline-blue {
  background-color: transparent;
  border-color: rgba(59, 130, 246, 0.4);
  color: var(--brand-blue);
}
.btn-outline-blue:hover {
  background-color: rgba(59, 130, 246, 0.08);
}

.btn-outline-dark {
  background-color: var(--background);
  border-color: var(--border);
  color: var(--foreground);
}
.btn-outline-dark:hover {
  background-color: var(--secondary);
}

/* Layout Container */
.container-sqat {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container-sqat {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-sqat {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Marquee Animation */
@keyframes sqat-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee-track {
  animation: sqat-marquee 28s linear infinite;
  width: max-content;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    animation: none;
  }
}

/* Mobile Drawer Overlay & Sheet */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 86vw;
  max-width: 360px;
  background-color: var(--background);
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -10px 0 25px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}