/* Beginner landing page. Loaded only by learn_mahjong.html. */
.learn-page { width: min(1120px, calc(100vw - 40px)); margin: 4px auto 28px; color: var(--text-light); }
.learn-page *, .learn-page *::before, .learn-page *::after { box-sizing: border-box; }
.learn-page h1, .learn-page h2, .learn-page h3 { color: var(--text-soft); }
.learn-page h1 { margin: 12px 0 22px; font-size: clamp(32px, 3.8vw, 48px); line-height: 1.13; letter-spacing: -.025em; }
.learn-page h2 { margin: 0 0 18px; font-size: clamp(25px, 2.5vw, 32px); line-height: 1.2; }
.learn-page h3 { margin: 12px 0 10px; font-size: 19px; line-height: 1.35; }
.learn-page p { margin: 0 0 16px; line-height: 1.75; }
.learn-page p:last-child { margin-bottom: 0; }
.learn-page .learn-kicker { margin-bottom: 14px; color: #ff9294; font-size: 12px; font-weight: bold; letter-spacing: .12em; text-transform: uppercase; }
.learn-hero { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(270px, 1fr); gap: 36px; padding: 40px; border: 1px solid #353a3f; border-radius: 24px; background: linear-gradient(135deg, #1d2226, #161a1d); }
.learn-intro { align-self: center; }
.learn-page .learn-lead { font-size: 17px; }
.learn-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.learn-page .primary-action, .learn-page .secondary-action { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 12px 18px; text-align: center; line-height: 1.4; }
.learn-page .primary-action:hover { background-color: #bd2429; }
.learn-visit { padding: 26px; border: 1px solid #533035; border-radius: 18px; background: #120e10; }
.learn-visit h2 { font-size: 23px; }
.learn-visit dl { margin: 0 0 20px; }
.learn-visit dl > div { padding: 13px 0; border-bottom: 1px solid #38282c; }
.learn-visit dt { margin-bottom: 6px; font-size: 13px; color: #c7b7ba; }
.learn-visit dd { margin: 0; color: #fff; font-weight: bold; line-height: 1.5; }
.learn-page .learn-note { font-size: 14px; color: #c7c9cc; }
.learn-tiles { display: flex; justify-content: center; gap: 8px; margin: 0 0 24px; }
.learn-tiles span { display: grid; place-items: center; width: 43px; height: 56px; border-radius: 6px; border-bottom: 5px solid #aeb5a4; background: #f5f1e8; color: #243f32; font: bold 30px/1 serif; }
.learn-tiles .learn-tile-green { color: #176336; }
.learn-tiles .learn-tile-white { background: #fffdf7; }
.learn-tiles .learn-tile-red { color: #a4161a; }
.learn-section { margin-top: 48px; scroll-margin-top: 110px; }
.learn-about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.8fr); gap: 38px; padding: 6px 6px 0; }
.learn-text-link, .learn-contact a:not(.primary-action) { color: #ffb1b3; text-underline-offset: 4px; }
.learn-text-link:hover, .learn-contact a:not(.primary-action):hover { color: #fff; }
.learn-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.learn-card { padding: 24px; background: var(--bg-secondary); border: 1px solid #353a3f; border-radius: 16px; }
.learn-number { color: #ff9294; font-size: 13px; font-weight: bold; letter-spacing: .1em; }
.learn-join { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 40px; padding: 34px; border: 1px solid #533035; border-radius: 20px; background: linear-gradient(135deg, #241518, #161a1d); }
.learn-join .primary-action { margin-top: 8px; }
.learn-steps { margin: 0; padding: 0 0 0 24px; }
.learn-steps li { padding: 0 0 18px 8px; }
.learn-steps li:last-child { padding-bottom: 0; }
.learn-steps li::marker { color: #ff9294; font-weight: bold; }
.learn-steps h3 { margin-top: 0; }
.learn-steps p { font-size: 15px; }
.learn-faq details { border-bottom: 1px solid #353a3f; }
.learn-faq summary { padding: 20px 4px; color: var(--text-soft); font-size: 17px; font-weight: bold; line-height: 1.5; cursor: pointer; }
.learn-faq summary::marker { color: #ff9294; }
.learn-faq details p { max-width: 850px; margin: 0; padding: 0 24px 22px; }
.learn-contact { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 48px; padding: 30px; border: 1px solid #353a3f; border-radius: 20px; background: var(--bg-secondary); }
.learn-contact h2 { font-size: 26px; }
.learn-contact .primary-action { flex-shrink: 0; }
.learn-contact a { overflow-wrap: anywhere; }
.learn-page a:focus-visible, .learn-page summary:focus-visible { outline: 3px solid #ffb1b3; outline-offset: 4px; border-radius: 4px; }
@media (max-width: 900px) {
    .learn-hero { gap: 24px; padding: 28px; grid-template-columns: minmax(0, 1.4fr) minmax(240px, 1fr); }
    .learn-visit { padding: 20px; }
    .learn-join { padding: 26px; gap: 26px; }
    .learn-contact { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 680px) {
    .learn-hero, .learn-about, .learn-grid, .learn-join { grid-template-columns: minmax(0, 1fr); }
    .learn-hero { padding: 24px 20px; border-radius: 18px; }
    .learn-page h1 { font-size: 34px; }
    .learn-page .learn-lead { font-size: 16px; }
    .learn-section, .learn-contact { margin-top: 32px; }
    .learn-about { gap: 4px; padding: 0 4px; }
    .learn-card { padding: 22px; }
    .learn-join, .learn-contact { padding: 24px 20px; }
    .learn-actions > a { flex: 1 1 180px; }
    .learn-contact .primary-action { width: 100%; }
}
@media (max-width: 360px) {
    .learn-page h1 { font-size: 29px; }
    .learn-hero { padding: 22px 16px; }
}