.learner-home { max-width: 1320px; padding-top: 42px; }
.welcome-section { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding-bottom: 54px; }
.welcome-copy h1 { font-family: var(--font-editorial); font-size: clamp(42px,5vw,66px); line-height: 1.25; font-weight: 500; color: var(--green); margin: 22px 0; }
.welcome-copy > p { font-size: 16px; line-height: 1.9; color: var(--body); }
.welcome-actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.welcome-actions .primary { min-height: 50px; min-width: 148px; justify-content: space-between; gap: 28px; }
.welcome-actions .text-link { min-height: 44px; display: inline-flex; align-items: center; }
.welcome-experiment { display: block; border: 1px solid #dfe3d6; border-radius: 24px; padding: 24px 28px; background: #edf0e5; transition: border-color .15s; }
.welcome-experiment:hover { border-color: var(--green); }
.experiment-kicker { display: flex; justify-content: space-between; font-size: 13px; color: var(--green); }
.welcome-experiment svg { display: block; width: 100%; margin: -8px 0 -20px; }
.experiment-question { border-top: 1px solid #d6dccd; padding-top: 20px; }
.experiment-question strong { font-size: 18px; font-weight: 600; display: block; }
.experiment-question > span { display: block; color: var(--body); font-size: 13px; margin-top: 8px; }
.stage-selection,.question-selection { padding: 34px 0; border-top: 1px solid var(--line); }
.learner-home .section-head { margin-bottom: 24px; }
.learner-home .section-head h2 { font-size: 26px; }
.learner-home .section-head p { margin-top: 8px; font-size: 14px; line-height: 1.8; }
.stage-cards,.question-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.stage-card { padding: 26px; border-radius: 18px; border: 1px solid var(--line); background: var(--paper); display: flex; flex-direction: column; }
.stage-card-top { display: flex; justify-content: space-between; flex-direction: row-reverse; align-items: center; margin-bottom: 22px; }
.stage-card-top > span { font: 28px Georgia,serif; color: #b5bba5; }
.stage-card-top h3 { font-size: 24px; margin: 0; }
.stage-card > strong { font-size: 15px; color: var(--green); font-weight: 500; }
.stage-card > p { font-size: 14px; line-height: 1.9; color: var(--body); margin: 10px 0 22px; flex: 1; }
.stage-primary { background: #f6efe1; }
.stage-junior { background: #eef1e7; }
.stage-senior { background: #edf0ed; }
.stage-options { display: grid; gap: 4px; }
.stage-options a { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid #d8ddce; font-size: 14px; color: var(--green); }
.stage-options a:hover { text-decoration: underline; }
.question-cards > a { border: 1px solid var(--line); border-radius: 16px; background: var(--paper); padding: 24px; display: flex; flex-direction: column; align-items: start; }
.question-cards h3 { font-size: 18px; line-height: 1.6; margin: 16px 0 8px; }
.question-cards p { font-size: 14px; color: var(--body); line-height: 1.8; margin: 0 0 20px; flex: 1; }
.question-action { display: flex; width: 100%; justify-content: space-between; color: var(--green); font-size: 14px; }
.home-resume { margin-top: 22px; border-left: 3px solid var(--green); padding-left: 14px; }
.home-resume[hidden] { display: none; }
.home-resume a { display: inline-flex; min-height: 44px; gap: 8px; align-items: center; color: var(--green); font-size: 14px; }
.home-resume small { display: block; color: var(--muted); }
@media (max-width: 950px) {
  .welcome-section { gap: 30px; }
  .stage-cards,.question-cards { gap: 14px; }
  .stage-card { padding: 20px; }
}
@media (max-width: 650px) {
  .learner-home { padding: 28px 20px; }
  .welcome-section { grid-template-columns: 1fr; gap: 28px; padding-bottom: 30px; }
  .welcome-copy h1 { font-size: 44px; margin: 18px 0; }
  .welcome-copy > p { font-size: 15px; }
  .welcome-experiment { padding: 20px; }
  .welcome-experiment svg { max-height: 240px; }
  .stage-cards,.question-cards { grid-template-columns: 1fr; }
  .stage-card-top { margin-bottom: 14px; }
  .stage-options { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
  .stage-options a { font-size: 12px; gap: 4px; }
  .learner-home .section-head { align-items: start; gap: 12px; }
  .learner-home .section-head h2 { font-size: 22px; }
  .learner-home .section-head > a { white-space: nowrap; font-size: 12px; }
}