/* ==========================================================================
   AAGENS Website v2 — Main Stylesheet
   Design system: custom properties, layout, navigation, components, footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  --color-primary: #0B3D91;
  --color-secondary: #1A73E8;
  --color-accent: #F59E0B;
  --color-dark: #0D1B2A;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-border: #E5E7EB;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --max-width: 1200px;
}

/* --------------------------------------------------------------------------
   2. CSS RESET
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

img {
  max-width: 100%;
  display: block;
}

/* --------------------------------------------------------------------------
   3. BASE STYLES
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-secondary);
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin: 0 0 16px;
}

/* --------------------------------------------------------------------------
   4. LAYOUT
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.text-center {
  text-align: center;
}

.text-center .section-title,
.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   5. NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  background: white;
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav-cta {
  margin-left: 24px;
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--color-dark);
}

/* --------------------------------------------------------------------------
   6. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  gap: 8px;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: #092E73;
  border-color: #092E73;
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

/* --------------------------------------------------------------------------
   7. HOMEPAGE HERO
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, #0D1B2A 0%, #0B3D91 100%);
  padding: 120px 0;
  color: white;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: white;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 580px;
  line-height: 1.75;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   8. PAGE HERO (interior pages)
   -------------------------------------------------------------------------- */
.page-hero {
  background: linear-gradient(135deg, #0D1B2A 0%, #0B3D91 100%);
  padding: 80px 0;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: white;
  margin: 0 0 12px;
}

.page-hero-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   9. SECTION HEADERS
   -------------------------------------------------------------------------- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  background: #EFF6FF;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
  margin: 0 0 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 620px;
  margin: 0 0 48px;
}

/* --------------------------------------------------------------------------
   10. CARDS
   -------------------------------------------------------------------------- */
.card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 36px 32px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.card-icon.blue {
  background: #EFF6FF;
}

.card-icon.green {
  background: #F0FDF4;
}

.card-icon.amber {
  background: #FFFBEB;
}

.card-icon.purple {
  background: #F5F3FF;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-dark);
  margin: 0 0 10px;
}

.card-text {
  color: var(--color-text-muted);
  line-height: 1.75;
  font-size: 0.95rem;
  margin: 0;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
}

.card-link:hover {
  gap: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

/* --------------------------------------------------------------------------
   11. BLOG CARDS
   -------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.blog-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.blog-card:hover {
  box-shadow: var(--shadow);
}

.blog-card-body {
  padding: 28px;
}

.blog-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary);
  background: #EFF6FF;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.blog-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.45;
  margin: 0 0 10px;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--color-primary);
}

.blog-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   12. CONTACT FORM
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--color-dark);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color 0.2s;
  background: white;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.08);
}

.form-textarea {
  height: 150px;
  resize: vertical;
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: #0D1B2A;
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  color: white;
  font-weight: 700;
  font-size: 1.4rem;
  text-decoration: none;
  letter-spacing: -0.5px;
  display: block;
  margin-bottom: 8px;
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin: 0;
}

.footer-heading {
  color: white;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0 0 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* --------------------------------------------------------------------------
   14. AFFILIATIONS
   -------------------------------------------------------------------------- */
.affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.badge {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 0.85rem;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   15. MOBILE NAV
   -------------------------------------------------------------------------- */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: white;
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-dark);
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.mobile-nav-links li {
  margin: 20px 0;
}

.mobile-nav-links a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-dark);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* --------------------------------------------------------------------------
   16. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: block;
  }

  .hero {
    padding: 72px 0;
  }

  .section {
    padding: 56px 0;
  }

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

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

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

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