/* ZeroAPI AI — shared storefront + cart styles (Game Dev, Business, Docs pages).
   Base design tokens live inline in each page (matching the rest of the site);
   this file adds only the storefront grid, product cards, and cart drawer. */

/* ---- store sections ---- */
.store-section{padding:72px 0 8px}
.store-head{max-width:640px;margin:0 auto 40px;text-align:center}
.store-head .section-label{justify-content:center}
.store-head h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;line-height:1.15;margin-bottom:12px}
.store-head p{color:var(--muted);font-size:1rem;line-height:1.7}

.store-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.grp-count{font-size:.72rem;font-weight:700;color:var(--accent);background:var(--accent-dim);
  border-radius:20px;padding:2px 9px;vertical-align:middle;margin-left:6px}

/* category jump-nav */
.store-toc{position:sticky;top:calc(var(--banner-h) + var(--nav-h));z-index:40;
  display:flex;gap:8px;flex-wrap:wrap;justify-content:center;padding:14px 24px;
  background:rgba(9,9,15,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.toc-chip{font-size:.8rem;color:var(--muted);border:1px solid var(--border-2);border-radius:20px;
  padding:6px 13px;transition:color .15s,border-color .15s}
.toc-chip:hover{color:var(--accent);border-color:var(--accent)}
.toc-chip span{font-size:.68rem;opacity:.7;margin-left:3px}
.store-section{scroll-margin-top:calc(var(--banner-h) + var(--nav-h) + 60px)}

/* ---- product card ---- */
.pcard{position:relative;display:flex;flex-direction:column;gap:12px;padding:20px 20px 18px;
  border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface);
  transition:border-color .2s,transform .15s}
.pcard:hover{border-color:var(--border-2);transform:translateY(-2px)}
.pcard-top{display:flex;align-items:center;gap:12px}
.mono-badge{width:44px;height:44px;flex-shrink:0;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.82rem;letter-spacing:.02em;color:#04120d;
  background:linear-gradient(135deg,var(--accent),var(--purple))}
.pcard h3{font-size:1.02rem;font-weight:700;line-height:1.2}
.pcard .pcard-tag{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.pcard p{font-size:.86rem;color:var(--muted);line-height:1.6;flex:1}
.pcard-foot{display:flex;align-items:center;gap:10px;margin-top:4px}
.pcard .num{font-size:.68rem;font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--muted);opacity:.65}
.pcard-foot .price-soon{margin-left:auto;font-size:.72rem;color:var(--muted);opacity:.8}

.add-btn{margin-left:auto;display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:8px;
  font-weight:600;font-size:.83rem;cursor:pointer;border:1px solid var(--border-2);background:var(--surface-2);color:var(--text);
  transition:border-color .15s,color .15s,background .15s}
.add-btn:hover{border-color:var(--accent);color:var(--accent)}
.add-btn.in-cart{background:var(--accent-dim);border-color:rgba(0,200,150,.4);color:var(--accent)}
.add-btn.store-link{border-color:rgba(99,102,241,.4);color:var(--purple)}
.add-btn.store-link:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-dim)}
.store-pill{font-size:.66rem;font-weight:700;letter-spacing:.03em;color:var(--purple);
  background:var(--purple-dim);border-radius:20px;padding:3px 9px}
.pcard-link{cursor:pointer}
.pcard-link:hover h3{color:var(--accent)}
.detail-link{font-size:.78rem;color:var(--muted);transition:color .15s}
.detail-link:hover{color:var(--accent)}

/* ---- cart button in nav + drawer ---- */
.cart-btn{position:relative;display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:8px;
  background:var(--surface-2);border:1px solid var(--border-2);color:var(--text);cursor:pointer;font-size:.85rem;font-weight:600}
.cart-btn:hover{border-color:var(--accent);color:var(--accent)}
.cart-count{min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--accent);color:#000;
  font-size:.7rem;font-weight:800;display:none;align-items:center;justify-content:center}
.cart-count.show{display:inline-flex}

.cart-overlay{position:fixed;inset:0;z-index:200;background:rgba(4,4,10,.6);opacity:0;pointer-events:none;transition:opacity .2s}
.cart-overlay.open{opacity:1;pointer-events:auto}
.cart-drawer{position:fixed;top:0;right:0;bottom:0;z-index:201;width:min(400px,92vw);
  background:var(--surface);border-left:1px solid var(--border-2);display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .24s ease}
.cart-drawer.open{transform:none}
.cart-drawer header{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--border)}
.cart-drawer header h3{font-size:1.05rem;font-weight:800}
.cart-drawer .close-x{margin-left:auto;background:none;border:none;color:var(--muted);font-size:1.4rem;cursor:pointer;line-height:1}
.cart-items{flex:1;overflow-y:auto;padding:12px 20px}
.cart-empty{color:var(--muted);font-size:.9rem;text-align:center;padding:48px 12px}
.cart-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.cart-row .cr-badge{width:34px;height:34px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.66rem;color:#04120d;background:linear-gradient(135deg,var(--accent),var(--purple))}
.cart-row .cr-name{font-size:.88rem;font-weight:600}
.cart-row .cr-tag{font-size:.72rem;color:var(--muted)}
.cart-row .cr-remove{margin-left:auto;background:none;border:none;color:var(--muted);cursor:pointer;font-size:.8rem}
.cart-row .cr-remove:hover{color:var(--red)}
.cart-foot{padding:18px 20px;border-top:1px solid var(--border)}
.cart-foot .note{font-size:.78rem;color:var(--muted);text-align:center;margin-bottom:12px;line-height:1.5}
.cart-foot .btn{width:100%;justify-content:center}
.cart-foot .btn[disabled]{opacity:.55;cursor:not-allowed;filter:none;transform:none}

/* ---- flagship feature banner (front-and-center) ---- */
.store-feature-section{padding-top:40px}
.feature-anchor{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);margin:-1px}
.store-feature{position:relative;overflow:hidden;border-radius:24px;padding:38px 40px;
  background:linear-gradient(135deg,rgba(0,200,150,.10),rgba(99,102,241,.10)),var(--surface);
  border:1px solid rgba(0,200,150,.30);box-shadow:0 24px 70px rgba(0,200,150,.10),0 0 0 1px rgba(99,102,241,.06) inset}
.store-feature .sf-glow{position:absolute;top:-60%;right:-10%;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.18),transparent 62%);pointer-events:none}
.sf-top{position:relative;z-index:1;display:flex;gap:22px;align-items:center}
.sf-badge{width:74px;height:74px;flex-shrink:0;border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.15rem;letter-spacing:.02em;color:#04120d;
  background:linear-gradient(135deg,var(--accent),var(--purple));box-shadow:0 12px 30px rgba(0,200,150,.28)}
.sf-eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.sf-title{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:900;line-height:1.1;letter-spacing:-.02em}
.sf-headline{font-size:1.02rem;font-weight:600;color:var(--text);margin-top:6px;line-height:1.4}
.sf-desc{position:relative;z-index:1;font-size:.95rem;color:var(--muted);line-height:1.7;max-width:760px;margin:20px 0 0}
.sf-engines{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.sf-engine{font-size:.74rem;font-weight:700;color:var(--text);background:rgba(255,255,255,.05);
  border:1px solid var(--border-2);border-radius:20px;padding:5px 12px}
.sf-foot{position:relative;z-index:1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:26px}
.sf-btn{padding:13px 30px;font-size:.98rem}
.sf-btn.in-cart{filter:brightness(1)}
.sf-detail{font-size:.88rem;font-weight:600;color:var(--accent);transition:opacity .15s}
.sf-detail:hover{opacity:.75}
.sf-note{font-size:.8rem;color:var(--muted)}

/* flagship banner WITH art tile (image left, copy right, CTA under the art) */
.store-feature.has-media{display:grid;grid-template-columns:288px 1fr;gap:38px;align-items:center;padding:34px 38px}
.store-feature.has-media .sf-media{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px}
.store-feature.has-media .sf-art{width:100%;border-radius:20px;display:block;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.store-feature.has-media .sf-media .sf-btn{width:100%;justify-content:center}
.store-feature.has-media .sf-media .sf-detail{text-align:center}
.store-feature.has-media .sf-main{position:relative;z-index:1;min-width:0}
.store-feature.has-media .sf-desc{margin-top:16px}
.store-feature.has-media .sf-engines{margin-top:18px}
@media(max-width:720px){.store-feature.has-media{grid-template-columns:1fr;gap:22px;padding:26px 22px}.store-feature.has-media .sf-media{max-width:300px;margin:0 auto}}
@media(max-width:640px){.store-feature{padding:28px 22px}.sf-top{gap:16px}.sf-badge{width:56px;height:56px;font-size:.95rem}.sf-foot{gap:12px}}

@media(max-width:860px){.store-grid{grid-template-columns:1fr}}