* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-slate-50);
  color: var(--color-slate-800);
  font-family: var(--font-sans);
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-navy-950);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

p {
  font-family: var(--font-sans);
  color: var(--color-slate-700);
  font-weight: 400;
  line-height: 1.6;
  max-width: 65ch;
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-6);
  padding-right: var(--spacing-6);
}

.section {
  padding-top: var(--spacing-24);
  padding-bottom: var(--spacing-24);
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-16);
  }
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: 76px;
  background-color: rgba(248, 250, 252, 0.85); /* Slate 50 with transparency */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(248, 250, 252, 0.95);
  border-bottom-color: rgba(15, 23, 42, 0.1);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--spacing-6);
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--color-slate-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-2) 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-navy-950);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Mobile Nav Toggle Button */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
  z-index: 1100;
  color: var(--color-navy-950);
}

.burger-icon {
  width: 24px;
  height: 2px;
  background-color: currentColor;
  position: relative;
  transition: background-color var(--transition-fast);
}

.burger-icon::before,
.burger-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  left: 0;
  transition: transform var(--transition-fast), top var(--transition-fast);
}

.burger-icon::before {
  top: -8px;
}

.burger-icon::after {
  top: 8px;
}

/* Burger Active State */
.mobile-nav-toggle.active .burger-icon {
  background-color: transparent;
}

.mobile-nav-toggle.active .burger-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-nav-toggle.active .burger-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile Menu Panel */
.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100dvh;
  background-color: var(--color-slate-50);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-16);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.mobile-menu-panel.active {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  list-style: none;
  align-items: center;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-navy-950);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
}

/* Site Footer */
.site-footer {
  background-color: var(--color-navy-950);
  color: var(--color-slate-300);
  padding-top: var(--spacing-24);
  padding-bottom: var(--spacing-12);
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-cols: 1.5fr 1fr 1fr;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-16);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-cols: 1fr;
    gap: var(--spacing-12);
  }
}

.footer-col-brand .footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: var(--spacing-6);
  filter: brightness(0) invert(1); /* Render logo white in dark footer */
}

.footer-col-brand p {
  color: var(--color-slate-400);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-6);
}

.footer-col h3 {
  color: var(--color-slate-50);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-6);
  font-weight: 600;
}

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

.footer-links li {
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  font-size: 0.95rem;
  color: var(--color-slate-400);
}

.footer-links a:hover {
  color: var(--color-slate-50);
  padding-left: var(--spacing-1);
}

.footer-contact-info p {
  font-size: 0.95rem;
  color: var(--color-slate-400);
  margin-bottom: var(--spacing-3);
  max-width: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--spacing-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  font-size: 0.875rem;
  color: var(--color-slate-500);
}

.footer-legal-links {
  display: flex;
  gap: var(--spacing-6);
}

.footer-legal-links a:hover {
  color: var(--color-slate-300);
}

@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}