/* subpages: showcase + starter guide */
.hero.sub{min-height:0}
.hero.sub .hero-body{padding-top:24px;padding-bottom:72px}
.nav a img{display:block}
.back{color:rgba(255,255,255,.7);text-decoration:none;font-size:14px;font-weight:600;display:inline-flex;align-items:center;min-height:44px;margin-bottom:8px}
.back:hover{color:#fff}
.h1-sub{font-size:clamp(48px,9vw,104px);margin:12px 0 18px}
.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.jump a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#fff;text-decoration:none;font-size:14px;font-weight:600}
.jump a:hover{background:rgba(255,255,255,.07)}
section.alt{background:var(--paper)}
.card h3{margin-top:0}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tags span{font-size:12px;font-weight:600;background:var(--wash);color:var(--blue);padding:5px 10px;border-radius:999px}
.lesson-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.lesson-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 90% 10%,rgba(46,25,186,.5),transparent 60%)}
.lesson{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.lesson h2{font-family:"Gilda Display",Georgia,serif;font-weight:400;font-size:clamp(34px,4.6vw,52px);line-height:1.08;margin:12px 0 16px}
.lesson p{color:rgba(255,255,255,.82);font-size:18px}
.lesson .eyebrow.dk{color:var(--azure)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.05);padding:10px 16px;border-radius:999px;font-weight:600;font-size:15px}
.checklist{display:grid;gap:16px;max-width:860px}
.check-item{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 6px 30px rgba(31,58,95,.06)}
.check-item span{flex:none;width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.check-item b{display:block;font-size:18px;color:var(--navy);margin-bottom:4px}
.check-item p{color:var(--slate);font-size:16px}
.prompts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.prompt{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 6px 30px rgba(31,58,95,.06);display:flex;flex-direction:column}
.prompt b{color:var(--navy);font-size:17px;margin-bottom:8px}
.prompt p{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:14px;line-height:1.65;color:var(--ink);background:var(--paper);border-radius:10px;padding:14px;flex:1}
.copy{align-self:flex-start;margin-top:12px;min-height:44px;padding:0 20px;border-radius:999px;border:1px solid var(--blue);background:#fff;color:var(--blue);font:inherit;font-weight:700;font-size:14px;cursor:pointer}
.copy:hover,.copy.done{background:var(--blue);color:#fff}
.grid4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card ul{padding-left:18px;color:var(--slate);font-size:16px}
.card li{margin-bottom:8px}
.next{background:var(--deep);color:#fff}
.next-wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.next h2{font-family:"Gilda Display",Georgia,serif;font-weight:400;font-size:clamp(30px,4vw,44px);line-height:1.1;margin-bottom:8px}
.next p{color:rgba(255,255,255,.75);font-size:17px}
.next-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn.ghost.dk{border-color:rgba(255,255,255,.3);color:#fff}
@media (max-width:1000px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.lesson{grid-template-columns:minmax(0,1fr);gap:28px}}
@media (max-width:640px){
  .prompts,.grid4{grid-template-columns:minmax(0,1fr)}
  .check-item{padding:18px;gap:14px}
  .next-btns{flex-direction:column;width:100%}
  .next-btns .btn{width:100%;justify-content:center}
  .hero.sub .hero-body{padding-bottom:48px}
}
@media (max-width:260px){
  .jump,.chips{display:none}
  .h1-sub{font-size:34px}
  .check-item{flex-direction:column;padding:12px}
  .check-item b{font-size:15px}
  .check-item p,.card ul,.prompt p{font-size:13px}
  .prompt{padding:12px}
  .lesson h2,.next h2{font-size:24px}
  .lesson p,.next p{font-size:14px}
  .back{font-size:12px}
  .next-btns .btn.ghost{display:none}
}
.nav>a:first-child{display:inline-flex;align-items:center;min-height:44px}
@media (max-width:260px){#prompts{display:none}}