/* ==========================================================================
   ScholarEdge - Refined Human Editorial Design System (Warm Ivory & Royal Blue)
   Break free from generic AI dark templates with a clean, authentic aesthetic.
   ========================================================================== */

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

:root {
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-serif: 'Lora', Georgia, serif;

  /* Human Editorial Color System (Clean Light / Ivory Slate) */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-subtle: #f0f4f8;

  --border-light: #e2e8f0;
  --border-focus: #2563eb;

  /* Primary Brand Colors */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;

  --secondary: #0d9488;
  --secondary-light: #f0fdf4;

  --amber: #d97706;
  --amber-light: #fffbeb;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --gradient-hero: linear-gradient(180deg, #edf4ff 0%, #f8fafc 100%);
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);
  --gradient-warm: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.1);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Header Logo Icon Badge Only */
.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo .logo-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.35rem;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: transform var(--transition-fast);
}

.brand-logo:hover .logo-icon {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  background: var(--primary);
  color: #ffffff !important;
  font-weight: 600;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Editorial Hero Section */
.hero-section {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border-light);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--amber-light);
  border: 1px solid #fde68a;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-main);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 1.25rem;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.hero-title .highlight-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  color: var(--primary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* Clean Editorial Search Card */
.search-box-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
}

.hero-search-form {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap: 0.75rem;
  align-items: center;
}

.form-group-input {
  position: relative;
}

.form-group-input i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.form-control {
  width: 100%;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 0.8rem 1rem;
  padding-left: 2.6rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  transition: border var(--transition-fast);
}

.form-control-select {
  padding-left: 0.9rem;
  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;
  cursor: pointer;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  border: none;
  font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

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

.quick-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  font-size: 0.85rem;
}

.tag-label {
  color: var(--text-dim);
  font-weight: 600;
}

.quick-tag {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.quick-tag:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.section-subtitle {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.3rem;
}

.section-title {
  font-family: var(--font-main);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
}

.view-all-link {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
}

/* Category Cards */
.grid-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
}

.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.cat-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-top: 0.5rem;
}

.cat-count {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Scholarship Cards Grid */
.grid-scholarships {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.scholarship-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

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

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.card-flag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.funding-tag {
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.funding-tag.fully-funded {
  background: var(--secondary-light);
  color: #047857;
  border: 1px solid #a7f3d0;
}

.funding-tag.partial {
  background: var(--amber-light);
  color: #b45309;
  border: 1px solid #fde68a;
}

.scholarship-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.scholarship-univ {
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: var(--bg-subtle);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.82rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-light);
}

.deadline-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--amber);
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

/* Tools Directory */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.tool-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
}

.tool-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.tool-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.tool-badge-cat {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-dim);
  align-self: flex-start;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.filter-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn:hover, .tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* Human Story / Mission Card */
.human-story-card {
  background: var(--gradient-warm);
  border: 1px solid #fed7aa;
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 3rem 0;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.human-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: #ea580c;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #ffffff;
  flex-shrink: 0;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.8rem;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.close-modal {
  background: var(--bg-subtle);
  border: none;
  color: var(--text-main);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 1.1rem;
}

/* Result Box */
.tool-result-box {
  margin-top: 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--primary-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: none;
}

.tool-result-box.active {
  display: block;
}

.result-val-huge {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
}

/* Ad Placement Banner */
.ad-slot-container {
  margin: 2rem 0;
  background: #ffffff;
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
}

/* Footer - Dark Slate Contrast */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  border-top: 1px solid var(--border-light);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

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

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.88rem;
}

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

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid #1e293b;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.83rem;
  color: #64748b;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.btn-secondary {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-weight: 600;
  padding: 0.8rem 1.3rem;
  border-radius: var(--radius-md);
  cursor: pointer;
}

@media (max-width: 992px) {
  .hero-search-form { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.4rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .human-story-card { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #ffffff;
    border-bottom: 1px solid var(--border-light);
    flex-direction: column;
    padding: 1.25rem;
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.active { display: flex; }
  .mobile-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; }
}