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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 var(--space-3); font-weight: 600; line-height: 1.3; }
h1 { font-size: 26px; }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
p { margin: 0 0 var(--space-4); }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.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;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.text-muted { color: var(--color-text-secondary); font-size: var(--text-small); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-control);
  font-size: var(--text-body);
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow 150ms ease-out, background-color 150ms ease-out;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--color-text-primary); border-color: var(--color-border); }
.btn--ghost:hover { background: var(--color-surface-muted); text-decoration: none; }
.btn--block { width: 100%; }

.btn:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Badges & tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-tag);
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 999px;
}
.badge--verified { background: var(--color-primary); color: #fff; }
.badge--claimed { background: var(--color-warning-light); color: var(--color-warning); }
.badge--success { background: var(--color-success-light); color: var(--color-success); }
.badge--warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge--info { background: var(--color-info-light); color: var(--color-info); }

.tag {
  display: inline-block;
  font-size: var(--text-tag);
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 8px;
}
.tag--success { background: var(--color-success-light); color: var(--color-success); }

@media (min-width: 640px) {
  h1 { font-size: var(--text-h1); }
  .container { padding: 0 var(--space-6); }
}