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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: #FFFFFF; }
h2 { font-size: clamp(2rem, 4vw, 3rem); position: relative; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-xxl) 0;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  min-height: 44px;
}

.btn-cta {
  background-color: var(--color-cta);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-cta:hover {
  background-color: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-light {
  background-color: #FFFFFF;
  color: var(--color-dark);
}

.btn-light:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* Cards */
.card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-primary);
  border-left: 1px solid var(--color-gold-tint);
  border-right: 1px solid var(--color-gold-tint);
  border-bottom: 1px solid var(--color-gold-tint);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: rgba(15, 30, 92, 0.9); /* Deep Navy */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
}

.nav-brand svg, .nav-brand img {
  height: 40px;
  width: 40px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: flex-end;
  gap: var(--space-xl);
}

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

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

.nav-menu-items a {
  color: #FFFFFF;
  font-weight: 600;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-menu-items a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cta), transparent);
  transition: width var(--transition-normal);
}

.nav-menu-items a:hover::after, .nav-menu-items a.active::after {
  width: 100%;
}

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

.mobile-only {
  display: none;
}

.lang-select {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  outline: none;
}

.lang-select option {
  background-color: var(--color-dark);
  color: #FFFFFF;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1001;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.footer a {
  display: block;
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.social-icons a:hover {
  background-color: var(--color-primary);
  transform: translateY(-3px);
}

/* Highlight Pill */
.section-pill {
  display: inline-block;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

/* Focus Visible */
*:focus-visible {
  outline: 2px solid var(--color-cta);
  outline-offset: 2px;
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-dark);
    flex-direction: column;
    padding: var(--space-xxl) var(--space-lg) var(--space-xl);
    transition: right var(--transition-normal);
    box-shadow: -10px 0 20px rgba(0,0,0,0.2);
    overflow-y: auto;
    justify-content: flex-start;
    align-items: center;
    gap: var(--space-lg);
  }
  
  .nav-links.show {
    right: 0;
  }
  
  .nav-menu-items {
    flex-direction: column;
    width: 100%;
    text-align: center;
    gap: var(--space-md);
  }

  .nav-actions {
    flex-direction: column;
    width: 100%;
    gap: var(--space-md);
    margin-top: var(--space-md);
  }

  .mobile-only {
    display: block;
    width: 100%;
    text-align: center;
  }

  .mobile-nav-header {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-sm);
    display: flex;
    justify-content: center;
  }

  .mobile-contact {
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
  }

  .mobile-contact p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 10px;
  }
  
  .mobile-menu-btn {
    display: block;
    position: relative;
  }
  
  .mobile-menu-btn.is-active {
    position: fixed;
    top: 15px;
    right: 20px;
  }

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

/* Page Loader */
#loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.6s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Back to Top */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
}

#back-to-top:hover {
  background-color: var(--color-dark);
  transform: translateY(-5px);
}