:root {
  --blue-900: #0a1628;
  --blue-800: #0f2044;
  --blue-700: #1a3a6e;
  --blue-600: #1e4fa0;
  --blue-500: #2563eb;
  --blue-400: #3b82f6;
  --blue-300: #60a5fa;
  --blue-200: #bfdbfe;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --accent:   #f59e0b;
  --accent-light: #fef3c7;
  --white:    #ffffff;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --font-display: 'Sora', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'DM Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(37,99,235,0.08), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(37,99,235,0.12), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-blue: 0 8px 32px rgba(37,99,235,0.25);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
p { color: var(--gray-500); }
a { text-decoration: none; color: inherit; }

.section-tag {
  display: inline-block;
  background: var(--blue-50);
  color: var(--blue-500);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--blue-100);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--gray-900);
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: -0.02em;
}
.nav-logo-text span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue-500);
  background: var(--blue-50);
}

.nav-cta {
  background: var(--blue-500) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: 100px !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-blue);
  transition: all var(--transition) !important;
}
.nav-cta:hover { background: var(--blue-600) !important; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue-500);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: var(--blue-600); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(37,99,235,0.35); }

.btn-outline {
  background: transparent;
  color: var(--blue-500);
  border: 2px solid var(--blue-200, #bfdbfe);
}
.btn-outline:hover { background: var(--blue-50); border-color: var(--blue-400); }

.btn-accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(245,158,11,0.3);
}
.btn-accent:hover { background: #d97706; transform: translateY(-2px); }

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  border-color: var(--blue-200, #bfdbfe);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ── BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
}
.badge-blue { background: var(--blue-50); color: var(--blue-600); border: 1px solid var(--blue-100); }
.badge-green { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.badge-amber { background: var(--accent-light); color: #b45309; border: 1px solid #fde68a; }

/* ── SECTION LAYOUT ── */
.section { padding: 90px 24px; }
.section-center { text-align: center; }
.section-center .section-sub { margin: 0 auto; }
.container { max-width: 1200px; margin: 0 auto; }

/* ── GRID ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── FOOTER ── */
.footer {
  background: var(--blue-900);
  color: var(--gray-400);
  padding: 60px 24px 28px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p { margin-top: 12px; font-size: 0.875rem; line-height: 1.7; color: var(--gray-400); }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--gray-400);
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--blue-300); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}
.footer-bottom a { color: var(--blue-300); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 130px 24px 70px;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 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='%23ffffff' fill-opacity='0.03'%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");
}
.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--white);
  margin-bottom: 16px;
}
.page-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
}

/* ── FILTER TABS ── */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-tab {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 100px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tab:hover, .filter-tab.active {
  border-color: var(--blue-500);
  background: var(--blue-500);
  color: var(--white);
}

/* ── FORM STYLES ── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.08);
}
.form-textarea { resize: vertical; min-height: 100px; }

/* ── STAT BOX ── */
.stat-box {
  text-align: center;
  padding: 28px 20px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue-500);
  line-height: 1;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: 6px;
}

/* ── ALERTS ── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 16px;
}
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #86efac; }
.alert-error   { background: #fef2f2; color: #991b1b; border: 1px solid #fca5a5; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 68px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 20px 24px; border-bottom: 1px solid var(--gray-100); box-shadow: var(--shadow-lg); gap: 4px; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes pulse-ring {
  0%   { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.15); opacity: 0; }
}

.animate-fadeUp { animation: fadeUp 0.6s ease forwards; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}