/* ==========================================================================
   justBursaries — Premium Design System
   Modern, Clean, High-End Aesthetics
   ========================================================================== */

/* --- Reset & Custom Properties --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-primary-50: #dbeafe;
  --color-accent: #059669;
  --color-accent-light: #ecfdf5;
  --color-warning: #d97706;
  --color-warning-light: #fffbeb;
  --color-danger: #e11d48;
  --color-danger-light: #fff1f2;

  /* Neutrals (Slate Palette) */
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;

  /* Surfaces */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.5);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Spacing */
  --space-2xs: 0.125rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Shape */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows (Layered) */
  --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-premium: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

  /* Layout */
  --max-width: 1280px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-sans);
  color: var(--color-slate-700);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-slate-900);
  letter-spacing: -0.025em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }

p { color: var(--color-slate-600); }

/* Improving Accessibility: Visible Focus States */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-sm) var(--space-md);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 2000;
  transition: top var(--transition-base);
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
  outline: none;
}

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

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

/* --- Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-base);
  gap: var(--space-sm);
  border: 1px solid transparent;
}

.btn i { font-size: 1.25rem; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.25);
}

.btn--secondary {
  background: #fff;
  color: var(--color-slate-700);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
  background: var(--color-slate-50);
  border-color: var(--color-slate-300);
  transform: translateY(-1px);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  height: 64px;
  box-shadow: var(--shadow-md);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-slate-900);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: transform var(--transition-fast);
}

.site-logo:hover {
  transform: scale(1.02);
}

.site-logo span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--space-md);
}

.nav-menu a {
  position: relative;
  font-weight: 500;
  color: var(--color-slate-600);
  padding: 0.5rem 0.25rem;
  margin: 0 0.5rem;
  transition: all var(--transition-base);
}

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

.nav-menu a.active {
  color: var(--color-slate-900);
  font-weight: 700;
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-slate-900);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.open {
    display: flex;
    animation: slideDown var(--transition-base) forwards;
  }

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

  .nav-toggle {
    display: block;
  }

  .header-actions {
    display: none;
  }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: var(--space-3xl) 0;
  background-color: #ffffff;
  background-image: 
    radial-gradient(at 0% 0%, hsla(217,100%,97%,1) 0, transparent 50%), 
    radial-gradient(at 50% 0%, hsla(225,100%,98%,1) 0, transparent 50%), 
    radial-gradient(at 100% 0%, hsla(210,100%,96%,1) 0, transparent 50%), 
    radial-gradient(at 0% 100%, hsla(217,100%,97%,1) 0, transparent 50%), 
    radial-gradient(at 100% 100%, hsla(225,100%,98%,1) 0, transparent 50%);
  border-radius: var(--radius-xl);
  margin-top: var(--space-xl);
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--color-slate-100);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2394a3b8' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  color: var(--color-slate-500);
  position: relative;
}

/* --- Search Bar --- */
.search-container {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.search-bar {
  display: flex;
  background: #fff;
  padding: 0.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-premium);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.search-bar:focus-within {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: 0 25px 30px -5px rgb(0 0 0 / 0.08);
}

.search-input {
  flex: 1;
  border: none;
  padding: 0 1rem;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  color: var(--color-slate-800);
}

.search-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.search-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.search-btn:active {
  transform: translateY(0);
}

/* --- Bursary Cards --- */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  margin-top: var(--space-3xl);
}

.bursary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.bursary-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  height: 100%;
}

.bursary-card:hover {
  border-color: var(--color-primary-50);
  box-shadow: var(--shadow-premium);
  transform: translateY(-4px);
}

.bursary-card__badges {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge--verified {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.badge--closing {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.bursary-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.bursary-card__title a {
  color: var(--color-slate-900);
}

.bursary-card__provider {
  font-size: 0.875rem;
  color: var(--color-slate-500);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.bursary-card__summary {
  font-size: 0.9375rem;
  color: var(--color-slate-600);
  margin-bottom: var(--space-xl);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.bursary-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-slate-100);
}

.closing-date {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* --- Category Pills --- */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.category-pill {
  padding: 0.5rem 1.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-600);
  transition: all var(--transition-fast);
}

.category-pill:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* --- Footer --- */
.site-footer {
  margin-top: auto;
  background: var(--color-slate-900);
  color: var(--color-slate-400);
  padding: var(--space-3xl) 0;
}

/* --- Search & Listing Layout --- */
.listing-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

@media (max-width: 992px) {
  .listing-layout {
    grid-template-columns: 1fr;
  }
}

.listing-filters {
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
  align-self: start;
}

.filter-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.filter-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-primary);
  opacity: 0.8;
}

.filter-panel__header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-slate-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 992px) {
  .filter-toggle {
    display: block !important;
  }
  .filter-panel__body.collapsed {
    display: none;
  }
}

.filter-panel__title {
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group {
  margin-bottom: var(--space-lg);
}

.filter-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-slate-500);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.filter-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  color: var(--color-slate-900);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  transition: all var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #fff;
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-col h4 {
  color: #fff;
  margin-bottom: var(--space-lg);
  font-size: 1rem;
}

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

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--color-slate-400);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-slate-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.25rem; }
  .bursary-grid { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .header-actions { display: none; }
}

@media (min-width: 768px) {
  .nav-menu { display: flex; }
}

/* Custom Animation Classes */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-slide-up {
  animation: slideUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Detail Page Specifics --- */
.bursary-detail {
  max-width: 900px;
  margin: var(--space-xl) auto;
}

.bursary-detail__header {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.bursary-detail__header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.detail-section {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.detail-section h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-slate-900);
}

.detail-section h2 i {
  color: var(--color-primary);
}

.detail-section p {
  line-height: 1.8;
  white-space: pre-line;
}

.detail-dates {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.detail-date-card {
  background: var(--color-slate-50);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-slate-200);
}

.detail-date-card label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-slate-500);
  margin-bottom: var(--space-2xs);
}

.detail-date-card span {
  font-weight: 600;
  color: var(--color-slate-900);
}

.tag-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

/* --- Alerts --- */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-weight: 500;
}

.alert--expired {
  background: var(--color-danger-light);
  border: 1px solid #fecaca;
  color: var(--color-danger);
}

.alert--closing-soon {
  background: var(--color-warning-light);
  border: 1px solid #fde68a;
  color: var(--color-warning);
}

/* --- CTA Section --- */
.detail-cta {
  text-align: center;
  padding: var(--space-2xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  color: #fff;
  margin: var(--space-2xl) 0;
}

.detail-cta h2 {
  color: #fff;
  margin-bottom: var(--space-sm);
}

.detail-cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-xl);
}

.cta-notice {
  font-size: 0.75rem;
  margin-top: var(--space-md);
  opacity: 0.7;
}

/* --- Accessibility Enhancements --- */
.active-link-indicator {
  position: absolute;
  bottom: -1rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}