/* CSS Custom Properties (Variables) - These work with Tailwind CDN */
:root {
  /* Fonts - Single Source of Truth */
  --font-heading: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Primary — Blue */
  --color-primary: #0a5ab3;
  --color-primary-light: #9fc9ee;
  --color-primary-lightest: #e8f2fb;
  --color-primary-dark: #063f7f;

  /* Secondary — Orange */
  --color-secondary: #ED6E1D;
  --color-secondary-light: #f9b07a;
  --color-secondary-lightest: #fef3ea;
  --color-secondary-dark: #a54712;

  /* Brand Aliases */
  --color-brand-primary: var(--color-primary);
  --color-brand-secondary: var(--color-secondary);
  --color-brand-light: var(--color-primary-lightest);
  --color-brand-dark: var(--color-primary-dark);

  /* Neutral Tones */
  --color-bg-light: #f9fafb;
  --color-bg-base: #f5f7fa;
  --color-bg-dark: #0a1628;
  --color-card-bg: #ffffff;
  --color-text-base: #1c1b1b;
  --color-text-muted: #5a5656;
  --color-text-subtle: #a0a0a0;

  /* Accent System */
  --color-accent: var(--color-primary);
  --color-accent-hover: var(--color-primary-dark);
  --color-accent-foreground: white;
  --color-accent-fg: white;

  /* Effects */
  --radius-card: 1rem;
  --radius-btn: 9999px;
  --radius-sm: 0.5rem;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 5rem;

  /* Container Padding - Consistent across all sections */
  --container-padding-mobile: 1.5rem;  /* 24px - 6 in Tailwind */
  --container-padding-desktop: 4rem;   /* 64px - 16 in Tailwind */

  /* Container Max Width */
  --container-max-width: 100%;  /* Full width, controlled by padding */
}

/* Base Styles */
html {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-base);
}

section {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Container Max Width - Full Width with Consistent Padding */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-mobile);
  padding-right: var(--container-padding-mobile);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--container-padding-desktop);
    padding-right: var(--container-padding-desktop);
  }
}

/* Utility class for consistent padding */
.container-padding {
  padding-left: var(--container-padding-mobile);
  padding-right: var(--container-padding-mobile);
}

@media (min-width: 1024px) {
  .container-padding {
    padding-left: var(--container-padding-desktop);
    padding-right: var(--container-padding-desktop);
  }
}

/* Professional Link Hover */
a {
  transition: all 0.2s ease-in-out;
}

/* Font Utility Classes */
.font-heading {
  font-family: var(--font-heading);
}

.font-body {
  font-family: var(--font-body);
}

/* Typography Classes */
.typography {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  line-height: 1.75rem;
}

.typography-heading {
  color: var(--color-text-base);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
}

.typography-h1 {
  font-size: 2.25rem;
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--color-text-base);
}

@media (min-width: 640px) {
  .typography-h1 {
    font-size: 3rem;
  }
}

@media (min-width: 768px) {
  .typography-h1 {
    font-size: 3.75rem;
  }
}

.typography-h2 {
  font-size: 1.875rem;
  font-family: var(--font-heading);
  line-height: 1.375;
  color: var(--color-text-base);
}

@media (min-width: 640px) {
  .typography-h2 {
    font-size: 2.25rem;
  }
}

.typography-h3 {
  font-size: 1.5rem;
  font-family: var(--font-heading);
  line-height: 1.375;
  color: var(--color-text-base);
}

.typography-subtext {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.typography-blockquote {
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

/* Card Component */
.card {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  transition: all 0.2s ease-in-out;
  border-radius: 0.5rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.card:focus {
  outline: none;
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  transition: all 0.2s ease-in-out;
  border-radius: 0.5rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.btn:focus {
  outline: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background-color: white;
  border: 1px solid #d1d5db;
  color: #1f2937;
}

.btn-secondary:hover {
  box-shadow: var(--shadow-md);
}

/* Professional Card Enhancements */
.card-hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

/* Section Spacing Improvements */
.section-spacing {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (min-width: 1024px) {
  .section-spacing {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }
}

/* Professional Gradient Overlay */
.gradient-overlay {
  position: relative;
}

.gradient-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-lightest) 0%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}

/* ====================================
   NAVIGATION ENHANCEMENTS
   ==================================== */

/* Navbar with subtle backdrop blur */
nav {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.95);
}

/* Smooth Dropdown Animations */
.group:hover > div[class*="absolute"] {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navigation Link Underline Effect */
nav a span[class*="absolute bottom-0"],
nav button span[class*="absolute bottom-0"] {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Better Focus States for Accessibility */
nav a:focus-visible,
nav button:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 4px;
  border-radius: 6px;
}

/* Dropdown Item Hover Effect - Subtle slide */
nav a[class*="group/item"]:hover {
  transform: translateX(3px);
  transition: all 0.2s ease;
}

/* Mobile Menu Smooth Transition */
#mobile-nav {
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

/* Professional Box Shadow for Dropdowns */
nav div[class*="shadow-xl"] {
  box-shadow: 0 20px 25px -5px rgba(10, 90, 179, 0.08),
              0 10px 10px -5px rgba(10, 90, 179, 0.04);
}

/* Mega Menu Hover Items */
nav div[class*="mega"] a:hover,
nav div[class*="dropdown"] a:hover {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Logo Hover Animation */
nav a[class*="group"] img {
  transition: transform 0.3s ease;
}

/* CTA Button in Navigation */
nav a[class*="bg-[color:var(--color-brand-primary)]"] {
  position: relative;
  overflow: hidden;
}

nav a[class*="bg-[color:var(--color-brand-primary)]"]::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

nav a[class*="bg-[color:var(--color-brand-primary)]"]:hover::before {
  width: 300px;
  height: 300px;
}