*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--brand-teal) 20%, transparent);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-teal-light);
}

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

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color var(--transition), transform var(--transition);
}

a:hover {
  color: var(--brand-secondary);
}

:focus-visible {
  outline: 2px solid var(--brand-primary-light);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-md);
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--brand-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: left var(--transition);
}

.skip-link:focus {
  left: var(--space-md);
}

.container {
  width: min(100% - 2 * var(--space-lg), var(--content-max));
  margin-inline: auto;
}

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

.section--tight {
  padding-block: var(--space-xxl);
}

.section--muted {
  background: var(--bg-muted);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-secondary);
  margin-bottom: var(--space-sm);
  padding: 4px 12px;
  background: var(--secondary-container);
  border-radius: var(--radius-full);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ink);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  color: var(--ink-secondary);
}

ul {
  padding-left: 1.25rem;
}

.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;
}

/* Base Reveal Animation Classes (for scroll reveal) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}