/* Camada Stark: acessibilidade, segurança de navegação e mobile-first */
:focus-visible{outline:3px solid #f2c86b;outline-offset:3px}.site-header{padding-top:env(safe-area-inset-top)}body{padding-bottom:env(safe-area-inset-bottom)}button,a,select,input{min-height:44px}.offline-banner,.audience-strip{padding:10px 20px;font-size:.9rem}.offline-banner{background:#fff0db;color:#754b05;text-align:center}.audience-strip{background:#e7f3f2;color:#075f66;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.audience-strip button{border:1px solid #83b9b7;background:white;border-radius:99px;padding:5px 13px;color:#075f66;cursor:pointer}.trust{max-width:1180px;margin:0 auto;padding:0 20px 24px;color:#637081;font-size:.88rem}.trust a{color:#08717a}.install-note{border:1px solid #b9dedd;background:#f0fbfa;border-radius:12px;padding:16px;margin-top:22px;color:#075f66}.metadata{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.metadata span{font-size:.76rem;color:#5d6a78;background:#f0ede5;border-radius:99px;padding:3px 8px}.game-board{display:grid;gap:12px;max-width:620px}.letter-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.letter-grid button{font-size:1.5rem;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;color:var(--navy)}.letter-grid button.selected{background:var(--teal);color:white}.success{background:#e6f5e9;color:#216b36;border-radius:10px;padding:12px}.hidden{display:none!important}@media(max-width:560px){.hero h1{font-size:2.35rem}.section{padding:38px 0}.cards{gap:12px}.card{padding:17px}.site-header{height:auto;min-height:64px}.brand{font-size:1.15rem}footer{padding-bottom:calc(20px + env(safe-area-inset-bottom))}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}[dir=rtl]{direction:rtl;text-align:right}.readable{max-width:70ch}