:root {
  /* Core Brand Colors */
  --primary-navy: #2E4A83;
  --primary-navy-dark: #1b2f56;
  --accent-emerald: #10B981;
  --accent-emerald-hover: #059669;

  /* Light Theme Foundations */
  --text-main: #334155;
  /* Slate-700 for high readability body text */
  --text-light: #64748b;
  /* Slate-500 for secondary text */
  --bg-white: #ffffff;
  --bg-section: #f8fafc;
  /* Slate-50 for subtle section breaks */
  --border-light: #e2e8f0;
  /* Slate-200 for clean separation */

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Shadows and Structure */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  /* Softer, diffuse shadow */
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --transition-fast: all 0.2s ease-in-out;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-lg: 16px;
  --radius-md: 8px;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography Rules */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

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

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

/* Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--accent-emerald-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
  color: white;
}

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

.btn-outline:hover {
  border-color: var(--primary-navy);
  color: var(--primary-navy);
  background-color: var(--bg-section);
}

/* Navigation - Pure Light Theme */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 1000;
  background: var(--bg-white);
  transition: var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-light);
}

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

.logo img {
  height: 80px;
  display: block;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a.nav-item {
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-main);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-navy);
  cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 72px);
    background: var(--bg-white);
    flex-direction: column;
    padding: 40px 20px;
    transition: var(--transition-smooth);
    border-top: 1px solid var(--border-light);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }
}

/* Hero Section - Light Theme */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background-color: var(--bg-white);
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.9;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  padding: 40px 40px 40px 0;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 24px;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--accent-emerald);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 40px;
  max-width: 540px;
}

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

/* Service Cards - Clean White */
.services-overview h2 {
  text-align: center;
  margin-bottom: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--bg-white);
  padding: 40px 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border: 1px solid var(--border-light);
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.service-icon {
  width: 64px;
  height: 64px;
  background: #f0fdf4;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--accent-emerald);
  font-size: 1.75rem;
}

/* Partners */
.partners {
  padding: 60px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-white);
}

.partners-title {
  text-align: center;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-light);
  margin-bottom: 32px;
  font-weight: 600;
}

.partners-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
  opacity: 0.6;
}

/* Footer Section */
footer {
  background-color: var(--bg-section);
  color: var(--text-main);
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo {
  display: block;
  margin-bottom: 16px;
}

.footer-logo img {
  height: 60px;
}

.footer-col h4 {
  font-size: 1.125rem;
  margin-bottom: 24px;
  color: var(--primary-navy);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-light);
}

.footer-links a:hover {
  color: var(--accent-emerald);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-light);
  font-size: 0.875rem;
  color: var(--text-light);
}

@media (max-width: 992px) {
  .hero-bg {
    width: 100%;
    opacity: 0.15;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    padding-right: 0;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero h1 {
    font-size: 3rem;
  }

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

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

/* Subtle Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}