/* Header, mobile menu and footer shell for uploaded source-locked HTML pages. */
:root{--doi-shell-red:#ff4d4f;--doi-shell-red-hover:#e03e40;--doi-shell-ink:#1F2937;--doi-shell-body:#4B5563;--doi-shell-muted:#8A8A8A;--doi-shell-line:#E5E7EB;--doi-shell-soft:#FAFAFA;--doi-shell-h:72px;--doi-shell-ease:200ms cubic-bezier(.2,.8,.2,1)}
.doi-nav2{position:sticky;top:0;z-index:1200;background:rgba(255,255,255,.95);border-bottom:1px solid var(--doi-shell-line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--doi-shell-ink)}
.doi-nav2__bar{width:min(calc(100% - 32px),1240px);min-height:var(--doi-shell-h);margin:auto;display:flex;align-items:center;gap:14px}.doi-nav2__brand{min-height:48px;display:inline-flex;align-items:center;text-decoration:none;color:var(--doi-shell-ink);font-weight:800;letter-spacing:-.025em;white-space:nowrap}.doi-nav2__brand span{color:var(--doi-shell-red)}.doi-nav2__desktop{display:none;margin-left:auto;align-items:center;gap:2px}.doi-nav2__item{position:relative}.doi-nav2__trigger,.doi-nav2__link{min-height:48px;padding:0 10px;border:0;background:transparent;display:inline-flex;align-items:center;gap:6px;color:var(--doi-shell-ink);text-decoration:none;font-weight:650;font-size:.9rem;cursor:pointer;border-radius:8px}.doi-nav2__trigger:hover,.doi-nav2__trigger:focus-visible,.doi-nav2__link:hover,.doi-nav2__link:focus-visible,.doi-nav2__trigger[aria-expanded="true"],.doi-nav2__link[aria-current="page"]{color:var(--doi-shell-red);background:var(--doi-shell-soft)}.doi-nav2__chev{font-size:.72em;transition:transform var(--doi-shell-ease)}.doi-nav2__trigger[aria-expanded="true"] .doi-nav2__chev{transform:rotate(180deg)}.doi-nav2__menu{position:absolute;top:calc(100% + 8px);left:0;min-width:280px;padding:8px;background:#fff;border:1px solid var(--doi-shell-line);border-radius:10px;box-shadow:0 20px 44px rgba(31,41,55,.13);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity var(--doi-shell-ease),transform var(--doi-shell-ease),visibility var(--doi-shell-ease)}.doi-nav2__item.open .doi-nav2__menu{opacity:1;visibility:visible;transform:none}.doi-nav2__menu a{display:flex;min-height:48px;padding:10px 12px;border-radius:7px;align-items:center;text-decoration:none;color:var(--doi-shell-ink);line-height:1.35;font-size:.9rem}.doi-nav2__menu a:hover,.doi-nav2__menu a:focus-visible,.doi-nav2__menu a[aria-current="page"]{background:var(--doi-shell-soft);color:var(--doi-shell-red)}.doi-nav2__cta{min-height:48px;padding:0 15px;border-radius:8px;background:var(--doi-shell-red);color:#fff!important;text-decoration:none;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-left:6px}.doi-nav2__cta:hover,.doi-nav2__cta:focus-visible{background:var(--doi-shell-red-hover)}.doi-nav2__hamburger{margin-left:auto;width:48px;height:48px;border:1px solid var(--doi-shell-line);border-radius:8px;background:#fff;color:var(--doi-shell-ink);font-size:1.25rem;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.doi-nav2__backdrop{position:fixed;inset:0;z-index:1240;background:rgba(31,41,55,.34);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--doi-shell-ease),visibility var(--doi-shell-ease)}.doi-nav2__backdrop.open{opacity:1;visibility:visible;pointer-events:auto}.doi-nav2__drawer{position:fixed;inset:0 0 0 auto;z-index:1250;width:min(92vw,430px);height:100dvh;background:#fff;border-left:1px solid var(--doi-shell-line);display:flex;flex-direction:column;transform:translateX(100%);visibility:hidden;transition:transform 240ms cubic-bezier(.2,.8,.2,1),visibility 240ms ease}.doi-nav2__drawer.open{transform:none;visibility:visible}.doi-nav2__drawer-head{min-height:68px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--doi-shell-line);flex:none}.doi-nav2__close{width:48px;height:48px;border:0;border-radius:8px;background:transparent;color:var(--doi-shell-ink);font-size:1.9rem;cursor:pointer}.doi-nav2__drawer-scroll{overflow:auto;-webkit-overflow-scrolling:touch;padding:10px 20px 24px;overscroll-behavior:contain}.doi-nav2__mobile-home{min-height:56px;display:flex;align-items:center;text-decoration:none;color:var(--doi-shell-ink);font-family:"Playfair Display",Georgia,"Times New Roman",serif;font-size:1.45rem;border-bottom:1px solid var(--doi-shell-line)}.doi-nav2__mobile-group{padding:18px 0 8px;border-bottom:1px solid var(--doi-shell-line)}.doi-nav2__mobile-group h2{font-family:"Inter",sans-serif;font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--doi-shell-red);margin:0 0 8px}.doi-nav2__mobile-group a{min-height:50px;display:flex;align-items:center;text-decoration:none;color:var(--doi-shell-ink);font-family:"Playfair Display",Georgia,"Times New Roman",serif;font-size:1.35rem;line-height:1.18;padding:5px 0}.doi-nav2__mobile-group a:hover,.doi-nav2__mobile-group a:focus-visible,.doi-nav2__mobile-group a[aria-current="page"]{color:var(--doi-shell-red)}.doi-nav2__drawer-foot{margin-top:auto;flex:none;padding:16px 20px max(16px,env(safe-area-inset-bottom));border-top:1px solid var(--doi-shell-line);background:#fff}.doi-nav2__drawer-foot .doi-nav2__cta{width:100%;margin:0}.doi-nav2__social{display:flex;gap:18px;justify-content:center;margin-top:10px}.doi-nav2__social a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none;color:var(--doi-shell-body);font-size:.86rem;font-weight:650}.doi-nav2__social a:hover{color:var(--doi-shell-red)}body.doi-nav2-lock{overflow:hidden;touch-action:none}
.doi-source-footer{border-top:1px solid var(--doi-shell-line);background:#fff;color:var(--doi-shell-ink);font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.doi-source-footer__inner{width:min(calc(100% - 32px),1240px);margin:auto;padding:48px 0 34px;display:grid;gap:34px}.doi-source-footer__name{display:inline-flex;text-decoration:none;color:var(--doi-shell-ink);font-weight:800;font-size:1.35rem;letter-spacing:-.025em}.doi-source-footer__name span{color:var(--doi-shell-red);margin-left:.3em}.doi-source-footer__brand p{margin:10px 0 0;color:var(--doi-shell-body);font-family:"Playfair Display",Georgia,serif;font-size:1.15rem}.doi-source-footer__nav{display:grid;gap:28px}.doi-source-footer__nav>div{display:flex;flex-direction:column}.doi-source-footer__nav strong{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}.doi-source-footer__nav a{min-height:42px;display:flex;align-items:center;color:var(--doi-shell-body);text-decoration:none;font-size:.9rem}.doi-source-footer__nav a:hover,.doi-source-footer__nav a:focus-visible{color:var(--doi-shell-red)}.doi-source-footer__bottom{width:min(calc(100% - 32px),1240px);margin:auto;padding:18px 0 26px;border-top:1px solid var(--doi-shell-line);display:flex;flex-direction:column;gap:6px;color:var(--doi-shell-muted);font-size:.78rem}
@media(min-width:768px){.doi-nav2__bar,.doi-source-footer__inner,.doi-source-footer__bottom{width:min(calc(100% - 48px),1240px)}.doi-source-footer__inner{grid-template-columns:1fr 2fr}.doi-source-footer__nav{grid-template-columns:repeat(3,1fr)}.doi-source-footer__bottom{flex-direction:row;justify-content:space-between}}@media(min-width:1180px){.doi-nav2__desktop{display:flex}.doi-nav2__hamburger{display:none}}@media(prefers-reduced-motion:reduce){.doi-nav2 *, .doi-source-footer *{animation-duration:.01ms!important;transition-duration:.01ms!important}}