/* Reset + base typography + layout primitives */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-line);
  color: var(--color-purple-text);
  background: var(--color-white);
  min-width: 320px;
}

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

/* Reserve most of the first viewport for page content so the JS-rendered
   footer paints below the fold and isn't shifted when content arrives (CLS). */
#main-content { min-height: 80vh; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-purple-text);
  margin: 0 0 var(--space-4);
}

h1 {
  font-size: var(--text-hero-size-mobile);
  line-height: var(--text-hero-line-mobile);
}
@media (min-width: 960px) {
  h1 { font-size: var(--text-hero-size); line-height: var(--text-hero-line); }
}

h2 { font-size: var(--text-h2-size); line-height: var(--text-h2-line); }
h3 { font-size: var(--text-h3-size); line-height: var(--text-h3-line); }

p { margin: 0 0 var(--space-4); }
ul, ol { margin: 0 0 var(--space-4); padding-left: var(--space-5); }

a { color: inherit; }

button { font-family: var(--font-body); }

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding-left: var(--container-pad-mobile);
  padding-right: var(--container-pad-mobile);
}
@media (min-width: 960px) {
  .container {
    padding-left: var(--container-pad-desktop);
    padding-right: var(--container-pad-desktop);
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -80px;
  background: var(--color-white);
  color: var(--color-purple-text);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow-card);
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: var(--space-3);
}

/* Focus ring — double ring, used everywhere interactive */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-focus-outer);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-focus-inner);
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-pill);
  padding: var(--space-3) var(--space-5);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
  line-height: 1.2;
}
.btn--primary {
  background: var(--color-purple-primary);
  color: var(--color-white);
}
.btn--primary:hover { background: var(--color-purple-primary-hover); }
.btn--secondary {
  background: var(--color-lavender);
  color: var(--color-purple-text);
}
.btn--secondary:hover { background: var(--color-lavender-hover); }
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Cards */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-4);
}

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

/* Generic loading / error / status text inside <main> */
.page-status {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  color: var(--color-grey-text-body);
}
.page-status--error {
  color: var(--color-error);
}