section.bk-hero{padding:44px 0 0;text-align:center}section.bk-calsec{padding:26px 0 72px}.bk-bird{width:74px;height:74px;margin:0 auto 12px;display:block}.bk-hero__sub{max-width:60ch;margin:14px auto 0;color:var(--tz-muted);font-size:1.02rem;line-height:1.68;text-wrap:balance}.bk-frame{margin:22px 0 0;font-size:.92rem;line-height:1.6;color:var(--tz-muted);max-width:56ch}.bk-frame--summit{margin-top:26px}.bk-ladder{list-style:none;margin:22px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;text-align:left}.bk-door{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit;cursor:pointer}.bk-door__meta{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:rgb(var(--ch));margin:0 0 .55rem}.bk-door__note{flex:1}.bk-door__cta{display:inline-flex;align-items:center;gap:.4em;min-height:24px;margin-top:auto;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:rgb(var(--ch));font-weight:500}.bk-door__cta:after{content:"↗";opacity:.75;transition:transform .3s}.bk-door:hover .bk-door__cta:after{transform:translate(2px,-2px)}.bk-door[data-selected]{border-color:rgba(var(--ch),.95);box-shadow:0 0 52px -10px rgba(var(--ch),.7),inset 0 1px rgba(var(--tz-hl-rgb),.08)}.bk-door[data-selected] .bk-door__cta:after{content:"✓"}.tz-js .bk-door__cta:after{content:"↓"}.tz-js .bk-door[data-selected] .bk-door__cta:after{content:"✓"}.bk-cal__head{text-align:center;margin:0 0 22px}.bk-cal__eyebrow{color:rgb(var(--ch,var(--tz-gold-rgb)));font-size:.72rem;letter-spacing:2.4px;text-transform:uppercase;margin:0 0 10px}.bk-cal__sub{max-width:60ch;margin:12px auto 0;color:var(--tz-muted);font-size:.98rem;line-height:1.66;text-wrap:balance}.bk-cal{border:1px solid var(--tz-rule);border-radius:var(--tz-radius);overflow:hidden;background:rgba(var(--tz-ink-rgb),.55);backdrop-filter:blur(6px)}.bk-cal,.bk-cal iframe{height:var(--bk-calh,560px)}.bk-cal[data-cal-mounted]{height:auto;min-height:0}.bk-cal[data-cal-mounted] .bk-mount{width:100%}.bk-cal iframe{display:block;width:100%;border:0}@media(max-width:1000px){.bk-cal,.bk-cal iframe{--bk-calh:700px}}.bk-cal__head,.bk-note,.bk-foot,.bk-policy{max-width:70ch;margin-inline:auto}.bk-note{margin:14px auto 0;font-size:.86rem;color:var(--tz-muted);text-align:center}.bk-note a{color:var(--tz-gold);text-decoration:underline;text-underline-offset:3px}.bk-foot{margin:32px auto 0;text-align:center;color:var(--tz-muted);font-size:.9rem}.bk-foot{display:flex;flex-direction:column;align-items:center;gap:14px}.bk-connect{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:.8rem 1.7rem;border-radius:12px;text-decoration:none;font-weight:500;font-size:.9rem;letter-spacing:.02em;color:var(--tz-gold-hi);background:rgba(var(--tz-gold-rgb),.06);border:1px solid rgba(var(--tz-gold-rgb),.55);transition:transform .32s,border-color .32s,background .32s,color .32s}.bk-connect:before{content:"";position:absolute;z-index:-1;inset:-18px -30px;border-radius:999px;pointer-events:none;background:radial-gradient(58% 76% at 50% 50%,rgba(var(--tz-gold-rgb),.42),rgba(var(--tz-gold-rgb),.16) 46%,rgba(var(--tz-gold-rgb),0) 78%);opacity:.55;transform:scale(.94);transition:opacity .4s ease,transform .4s ease}.bk-connect:after{content:"";position:absolute;z-index:-1;left:50%;top:100%;transform:translate(-50%,-42%);width:132%;height:56px;pointer-events:none;background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(var(--tz-gold-rgb),.34),rgba(var(--tz-gold-rgb),.11) 44%,rgba(var(--tz-gold-rgb),0) 76%);opacity:.7;transition:opacity .4s ease}.bk-connect:hover,.bk-connect:focus-visible{transform:translateY(-1px);color:var(--tz-ink);background:var(--tz-gold-metal);border-color:rgba(var(--tz-gold-rgb),.9)}.bk-connect:hover:before,.bk-connect:focus-visible:before{opacity:1;transform:scale(1)}.bk-connect:hover:after,.bk-connect:focus-visible:after{opacity:1}.bk-connect:focus-visible{outline:2px solid var(--tz-gold);outline-offset:4px}.bk-policy{margin:10px auto 0;max-width:62ch;text-align:center;color:var(--tz-muted);font-size:.8rem;opacity:.85}.bk-fallback{text-align:center}.bk-fallback__lede{max-width:56ch;margin:0 auto 20px;color:var(--tz-muted);line-height:1.66}.bk-fallback__actions{display:flex;gap:14px;justify-content:center;align-items:center;flex-wrap:wrap}@media(max-width:640px){section.bk-hero{padding:26px 0 0}.bk-ladder{grid-template-columns:1fr;gap:12px}.bk-cal,.bk-cal iframe{--bk-calh:660px}}