/* CSS Reset and Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  font-size: var(--fs-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
}

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

a:hover {
  color: var(--primary);
}

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

ul, ol {
  list-style: none;
}

/* Common Layout Containers & Flex utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

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

.flex-column {
  display: flex;
  flex-direction: column;
}

.section {
  padding: var(--space-16) 0;
}

/* Header Navbar Styles */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-4) 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--primary-light);
  text-shadow: var(--shadow-glow);
}

.nav-menu {
  display: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Header Hamburger mobile menu code */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 105;
}

.mobile-nav-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
  .mobile-nav-toggle {
    display: none;
  }
}

/* Mobile Nav Overlay Panel */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.98);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-overlay .nav-link {
  font-size: var(--fs-2xl);
  font-weight: 700;
}

.mobile-nav-overlay .nav-actions {
  flex-direction: column;
  width: 80%;
  margin-top: var(--space-6);
}

.mobile-nav-overlay .nav-actions .btn {
  width: 100%;
  text-align: center;
}

/* Footer Section Styles */
.footer {
  background-color: #0B0F19;
  border-top: 1px solid var(--border-color);
  padding: var(--space-12) 0 var(--space-8);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-col h4 {
  font-size: var(--fs-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.footer-links a:hover {
  color: var(--text-primary);
  padding-left: var(--space-1);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Helper Utilities */
.text-muted {
  color: var(--text-muted);
}
.text-center {
  text-align: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--primary-glow-subtle);
  border: 1px solid var(--border-hover);
  color: var(--primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}