/* Base CSS Resets & Accessibility Defaults */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-sans);
  background-color: var(--color-ivory);
  color: var(--color-ink);
  line-height: 1.65;
  font-weight: 500;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-serif);
  color: var(--color-deep-green);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 0.015em;
  text-wrap: balance;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-3xl);
  font-weight: 800;
  line-height: 1.05;
}

h2 {
  font-size: var(--font-2xl);
  line-height: 1.1;
}

h3 {
  font-size: var(--font-xl);
}

h4 {
  font-size: var(--font-lg);
}

p {
  font-size: var(--font-base);
  margin-bottom: var(--space-4);
  max-width: 70ch; /* Limit paragraph line length for readability */
}

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

a:hover {
  color: var(--color-deep-green);
}

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

/* Keyboard Focus States for WCAG 2.2 AA Compliance */
:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 4px;
}

/* Skip to Content Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-gold);
  color: var(--color-midnight);
  padding: var(--space-2) var(--space-5);
  font-weight: 700;
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
  z-index: 10000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* Responsive Padding Utilities */
.section-padding {
  padding-block: clamp(4rem, 8vw, 7rem);
}

/* Container limits */
.container-custom {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* Visual utilities */
.text-gold {
  color: var(--color-gold) !important;
}

.bg-midnight {
  background-color: var(--color-midnight) !important;
}

.bg-deep-green {
  background-color: var(--color-deep-green) !important;
}

.bg-warm-white {
  background-color: var(--color-warm-white) !important;
}

.bg-ivory {
  background-color: var(--color-ivory) !important;
}

.text-ivory {
  color: var(--color-ivory) !important;
}

.text-warm-white {
  color: var(--color-warm-white) !important;
}

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}