/*
  base.css — Global resets, typography, and accessibility defaults.
*/

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--pink);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
  color: var(--gray-700);
  max-width: 65ch;
}

ul {
  list-style: none;
}

section {
  padding: var(--space-xl) var(--space-md);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  color: var(--purple-dark);
  margin-bottom: var(--space-sm);
}

.section-header p {
  margin-inline: auto;
  font-size: 1.125rem;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: var(--space-xs);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--purple);
  color: var(--white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 9999;
}

.skip-link:focus {
  top: var(--space-sm);
}

@media (max-width: 768px) {
  section {
    padding: var(--space-lg) var(--space-sm);
  }
}