/* Public practice content stays readable without JavaScript. */
.math-practice-page .shell { max-width: 1120px; }
.practice-content { padding-top: 64px; padding-bottom: 64px; }
.practice-intro { max-width: 800px; }
.practice-eyebrow { margin: 0 0 12px; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.practice-intro h1 { margin: 0 0 24px; font-size: clamp(36px, 5.5vw, 64px); line-height: 1.08; }
.practice-intro h1 span { text-decoration: underline; text-decoration-color: var(--coral); text-underline-offset: 10px; text-decoration-thickness: 4px; }
.practice-lead { max-width: 62ch; font-size: 20px; line-height: 1.6; }
.practice-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px 28px; margin: 28px 0 16px; }
.practice-actions > a:last-child, .practice-next a, .practice-questions a { font-weight: 800; text-underline-offset: 4px; }
.practice-note { font-size: 14px; color: var(--muted); }
.practice-section { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--line); }
.practice-section h2, .practice-closing h2 { font-size: clamp(28px, 3.5vw, 38px); line-height: 1.2; margin: 0 0 16px; }
.practice-section h3 { font-size: 24px; line-height: 1.2; margin: 16px 0 12px; }
.practice-section p { max-width: 70ch; }
.practice-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 32px; }
.practice-number { display: inline-flex; justify-content: center; align-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--mint); font: 700 23px/1 var(--heading); }
.practice-features p { margin-bottom: 0; color: var(--muted); }
.practice-examples { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 28px; align-items: start; }
.practice-example { border: 1px solid #c9d8cf; border-radius: 24px; background: #fff; padding: 28px; }
.practice-example h3 { margin-top: 0; }
.practice-example details { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 16px; }
.practice-example summary { cursor: pointer; font-weight: 800; }
.practice-example details p { margin-bottom: 0; color: var(--muted); }
.practice-next { margin-top: 24px; }
.practice-questions h3 { margin-top: 28px; }
.practice-questions p { color: var(--muted); }
.practice-closing { margin-top: 56px; padding: 36px; border-radius: 24px; background: var(--mint); }
.practice-closing .pill { margin-top: 8px; }
.math-practice-page .site-footer { padding-bottom: 28px; }
@media (max-width: 760px) {
  .math-practice-page .shell { padding-inline: 22px; }
  .math-practice-page .masthead .shell { min-height: 72px; gap: 16px; }
  .math-practice-page .masthead .brand { font-size: 28px; }
  .math-practice-page .header-actions .pill { font-size: 12px; padding: 10px 14px; }
  .practice-content { padding-top: 40px; padding-bottom: 40px; }
  .practice-lead { font-size: 18px; }
  .practice-features, .practice-examples { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .practice-section { margin-top: 40px; padding-top: 32px; }
  .practice-example { padding: 22px; }
  .practice-actions .pill { font-size: 14px; gap: 8px; padding: 12px 16px; }
  .practice-closing { padding: 24px; }
}