.modes-section, .faq-section { padding: 90px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 36px; }
.section-heading .eyebrow, .experience-copy .eyebrow, .faq-grid .eyebrow { margin-bottom: 16px; color: #677851; }
.section-heading h2 { font-size: clamp(26px, 2.6vw, 34px); max-width: 600px; }
.section-heading > p { color: var(--muted); font-size: 13px; flex-shrink: 0; }
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mode-card { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 24px; text-decoration: none; display: flex; flex-direction: column; transition: box-shadow .2s, border-color .2s; }
.mode-card:hover { border-color: #819472; box-shadow: 0 8px 25px #173f3510; }
.mode-card.featured { background: #edf0e5; border-color: #bbc6ab; }
.card-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.mode-number { font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.pill { padding: 4px 9px; border-radius: 5px; color: var(--jade); background: #dce4cf; font-size: 9px; font-weight: 600; }
.pill.subtle { background: #f0efe8; color: var(--muted); }
.mode-art { position: relative; height: 150px; display: flex; justify-content: center; align-items: center; isolation: isolate; }
.mode-art::before { content: ''; position: absolute; width: 146px; height: 94px; z-index: -1; opacity: .4; background-image: linear-gradient(#a0ad8e 1px, transparent 1px), linear-gradient(90deg, #a0ad8e 1px, transparent 1px); background-size: 31px 31px; transform: rotate(-12deg); }
.chess-token { width: 73px; height: 73px; flex-shrink: 0; display: grid; place-items: center; font: 48px 'XiangqiGlyphs', serif; border-radius: 50%; border: 3px solid #cabc95; background: radial-gradient(circle at 35% 30%, #fffbed, #e4d6b7); box-shadow: 0 5px 0 #b1a17c, 0 12px 16px #24332125, inset 0 0 0 3px #f5edd9, inset 0 0 0 4px currentColor; transform: rotate(-12deg); }
.chess-token + .chess-token { margin: 28px 0 0 -10px; transform: rotate(12deg); }
.chess-token.red { color: var(--red); }
.chess-token.dark { color: #34463e; }
.chess-token.concealed { color: #f4e9c6; background: #456651; border-color: #b7bc98; box-shadow: 0 5px 0 #334e3f, 0 12px 16px #24332125, inset 0 0 0 3px #456651, inset 0 0 0 4px #a1b291; font-family: var(--heading); font-size: 34px; }
.hidden-art::before { transform: rotate(10deg); }
.friends-art .chess-token + .chess-token { margin-left: 12px; margin-top: 0; }
.mode-card p { font-size: 13px; line-height: 1.9; color: var(--muted); margin-top: 12px; margin-bottom: 24px; }
.card-action { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 19px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.experience-section { background: #efefe6; padding: 80px 0; border-block: 1px solid #e5e5d9; }
.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.experience-art { min-height: 450px; border-radius: 12px; position: relative; overflow: hidden; isolation: isolate; display: grid; place-items: center; background: #d1d5bd url('../img/bamboo-bg-800.webp') center / cover; }
.experience-art::after { content: ''; position: absolute; inset: 0; z-index: -1; background: #dce1c587; }
.vertical-inscription { position: absolute; right: 25px; top: 32px; writing-mode: vertical-rl; letter-spacing: 15px; font: 27px/1.5 'XiangqiGlyphs', serif; opacity: .7; }
.large-token { width: 204px; height: 204px; display: grid; place-items: center; border-radius: 50%; font: 136px 'XiangqiGlyphs', serif; color: var(--red); background: radial-gradient(circle at 32% 25%, #fffbed, #ded3b1); border: 7px solid #bbaa7a; box-shadow: 0 15px 0 #908362, 0 35px 35px #334a2f45, inset 0 0 0 7px #f2ead1, inset 0 0 0 9px #a74e3e; transform: perspective(800px) rotateX(24deg) rotateZ(-15deg); }
.art-caption { position: absolute; bottom: 24px; left: 24px; font-size: 8px; font-weight: 700; letter-spacing: .14em; }
.experience-copy > p:not(.eyebrow) { color: var(--muted); font-size: 14px; margin-top: 22px; line-height: 1.9; }
.feature-list { padding: 0; list-style: none; margin: 26px 0 16px; }
.feature-list li { display: flex; gap: 18px; padding-block: 17px; border-top: 1px solid #d5d9c9; }
.feature-list li > span { font-size: 11px; color: #667850; padding-top: 3px; }
.feature-list h3 { font-size: 15px; letter-spacing: -.02em; }
.feature-list p { font-size: 12px; color: var(--muted); margin-top: 6px; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.faq-grid > div > p:not(.eyebrow) { font-size: 14px; color: var(--muted); margin-top: 20px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { padding: 23px 35px 23px 0; cursor: pointer; font-size: 14px; font-weight: 600; position: relative; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 4px; top: 19px; font-size: 24px; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { font-size: 14px; color: var(--muted); padding-bottom: 24px; padding-right: 24px; }
.final-section { padding-bottom: 70px; }
.final-panel { background: var(--jade); border-radius: 12px; padding: 50px 56px; color: #faf6e7; display: flex; align-items: center; justify-content: space-between; gap: 36px; position: relative; overflow: hidden; isolation: isolate; }
.final-panel h2 { margin-block: 9px 12px; font-size: 48px; }
.final-panel p:not(.eyebrow) { font-size: 14px; color: #ced7c9; }
.final-panel .eyebrow { color: #d8c493; font-size: 9px; }
.final-glyph { position: absolute; z-index: -1; left: 48%; top: -44px; font: 260px 'XiangqiGlyphs', serif; color: #ffffff08; }
.final-panel .btn { flex-shrink: 0; }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-footer .brand { font-size: 22px; }
.site-footer .brand-mark { width: 29px; height: 32px; font-size: 23px; }
.site-footer p { font-size: 10px; color: var(--muted); }
.site-footer .footer-inner > div { display: flex; gap: 24px; }
.site-footer .footer-inner > div a { display: inline-flex; align-items: center; min-height: 44px; font-size: 11px; color: var(--muted); text-decoration: none; }
.site-footer .footer-inner > div a:hover { text-decoration: underline; }
@media (max-width: 1050px) {
  .section-heading { display: block; }
  .section-heading > p { margin-top: 18px; }
  .mode-card { padding: 19px; }
  .experience-grid, .faq-grid { gap: 40px; }
}
@media (max-width: 760px) {
  .modes-section, .faq-section { padding: 58px 0; }
  .mode-grid { grid-template-columns: 1fr; gap: 18px; }
  .mode-card { padding: 24px; }
  .mode-card p { font-size: 15px; }
  .mode-number, .pill { font-size: 11px; }
  .card-action { font-size: 14px; }
  .experience-section { padding: 48px 0; }
  .experience-grid, .faq-grid { grid-template-columns: 1fr; gap: 36px; }
  .experience-art { min-height: 360px; }
  .faq-grid h2 br { display: none; }
  .final-section { padding-bottom: 42px; }
  .final-panel { padding: 36px 28px; flex-direction: column; align-items: flex-start; gap: 26px; }
  .final-panel h2 { font-size: 40px; }
  .final-glyph { left: 45%; }
  .footer-inner { flex-wrap: wrap; }
  .site-footer p { order: 3; flex-basis: 100%; }
}