/* Dasar tipografi, utilitas, fokus, dan komponen global kecil. */
body{background:var(--bg);color:var(--white);font:400 1rem/1.65 var(--font-body);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.45rem,3.2vw,2.1rem);font-weight:700}
h3{font-size:1.1rem;font-weight:600}
p{color:var(--muted)}
.lead{font-size:1.08rem;max-width:56ch}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip-link{position:absolute;left:12px;top:-70px;background:var(--cyan);color:#04202b;padding:12px 18px;border-radius:10px;font-weight:600;z-index:300}
.skip-link:focus{top:12px}
.no-scroll{overflow:hidden}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tag{display:inline-block;padding:6px 14px;border:1px solid rgba(19,217,255,.35);border-radius:999px;color:var(--cyan);font-size:.85rem;font-weight:500;margin-bottom:18px;background:rgba(19,217,255,.06)}
.text-link{color:var(--cyan);font-weight:600}
.text-link:hover{text-decoration:underline}
.back-top{position:fixed;right:18px;bottom:18px;width:48px;height:48px;border-radius:14px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow);z-index:90}
.back-top:hover{border-color:var(--cyan)}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);max-width:min(92vw,460px);padding:14px 18px;border-radius:var(--r);background:var(--panel);border:1px solid var(--cyan);color:var(--white);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:250;font-size:.95rem}
.toast.show{opacity:1;transform:translate(-50%,0)}
.todo{background:rgba(255,183,77,.14);color:var(--warn);padding:1px 6px;border-radius:6px;font-weight:600}
.text-link,.prose p,.card p,.stack p{overflow-wrap:anywhere}