:root{--mhb-lime:#b8f43b;--mhb-cyan:#55dce8;--mhb-muted:#a7b6c5}
body.mhb-briefing-open{overflow:hidden!important}
.mhb-overlay{position:fixed;inset:0;z-index:999999;background:radial-gradient(circle at 13% 15%,rgba(26,159,190,.14),transparent 22%),radial-gradient(circle at 84% 16%,rgba(184,244,59,.08),transparent 18%),radial-gradient(circle at 86% 82%,rgba(27,151,207,.1),transparent 20%),linear-gradient(180deg,#031126,#06182c 52%,#020c1c);color:#fff;opacity:0;transition:opacity .32s ease;overflow:hidden}
.mhb-overlay.is-visible{opacity:1}
.mhb-stars{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.mhb-stars i{position:absolute;left:var(--sx);top:var(--sy);width:var(--ss);height:var(--ss);border-radius:50%;background:#fff;opacity:var(--so);box-shadow:0 0 calc(var(--ss)*3) rgba(255,255,255,.32)}
.mhb-shell{position:relative;z-index:2;height:100%;padding:28px 34px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:18px}
.mhb-topbar,.mhb-footer{display:flex;align-items:center;justify-content:space-between;gap:20px}
.mhb-brand{display:flex;align-items:center;gap:12px}.mhb-brand-mark{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);font-size:20px}.mhb-brand-copy strong{display:block;font-size:13px;letter-spacing:.15em;text-transform:uppercase}.mhb-brand-copy span{display:block;margin-top:4px;color:var(--mhb-muted);font-size:11px}.mhb-status{display:flex;align-items:center;gap:9px;color:#dce7f2;font-size:10px;letter-spacing:.16em;text-transform:uppercase;font-weight:900}.mhb-status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mhb-lime);box-shadow:0 0 15px rgba(184,244,59,.8)}
.mhb-stage{min-height:0;display:grid;place-items:center}.mhb-screen{display:none}.mhb-screen.is-active{display:block}
.mhb-intro,.mhb-final{width:min(830px,100%);padding:clamp(28px,5vw,62px);text-align:center;border:1px solid rgba(255,255,255,.13);border-radius:32px;background:rgba(8,19,34,.9);box-shadow:0 38px 110px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.06);backdrop-filter:blur(20px)}
.mhb-kicker{font-size:11px;font-weight:900;letter-spacing:.22em;text-transform:uppercase;color:var(--mhb-cyan);margin-bottom:15px}.mhb-intro h1,.mhb-final h2{margin:0;color:#fff;font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.055em}.mhb-intro h1 span{color:var(--mhb-lime)}.mhb-intro p,.mhb-final p{max-width:680px;margin:22px auto 0;color:var(--mhb-muted);line-height:1.7;font-size:15px}.mhb-author{margin-top:18px!important;font-size:11px!important;letter-spacing:.12em;text-transform:uppercase;color:#7f91a4!important;font-weight:800}.mhb-primary{min-height:52px;padding:0 22px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--mhb-lime),#79d83b);color:#07111e;font:inherit;font-weight:900;cursor:pointer;box-shadow:0 16px 40px rgba(184,244,59,.16);margin-top:28px;transition:transform .2s ease,box-shadow .2s ease}.mhb-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 20px 46px rgba(184,244,59,.22)}.mhb-primary:disabled{opacity:.42;cursor:not-allowed;box-shadow:none}.mhb-intro-actions{margin-top:28px;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap}.mhb-intro-actions .mhb-primary{margin-top:0}.mhb-secondary{min-height:52px;padding:0 22px;border:1px solid rgba(255,255,255,.18);border-radius:15px;background:rgba(255,255,255,.055);color:#e4edf5;font:inherit;font-weight:900;cursor:pointer;transition:transform .2s ease,border-color .2s ease,background .2s ease}.mhb-secondary:hover{transform:translateY(-2px);border-color:rgba(85,220,232,.55);background:rgba(85,220,232,.10)}
.mhb-mission.is-active{width:100%;display:grid;grid-template-columns:minmax(0,1.32fr) minmax(350px,.68fr);gap:clamp(24px,4vw,58px);align-items:center}
.mhb-space-map{position:relative;height:min(68vh,680px);min-height:500px;overflow:visible}.mhb-orbit{position:absolute;left:50%;top:50%;translate:-50% -50%;border-radius:50%;pointer-events:none}.mhb-orbit-one{width:88%;height:66%;border:1px dashed rgba(111,199,231,.16)}.mhb-orbit-two{width:62%;height:48%;border:1px solid rgba(184,244,59,.10)}
.mhb-planet{position:absolute;left:var(--x);top:var(--y);translate:-50% -50%;width:clamp(98px,8.3vw,132px);height:clamp(98px,8.3vw,132px);z-index:2;overflow:visible;transition:transform .55s cubic-bezier(.22,.9,.3,1),opacity .35s ease;animation:mhbPlanetFloat 4.6s ease-in-out infinite var(--float-delay)}.mhb-planet-art{display:block;width:100%;height:100%;object-fit:contain;object-position:center;background:transparent;border:0;filter:drop-shadow(0 10px 16px rgba(0,0,0,.38));pointer-events:none;user-select:none}.mhb-planet.is-past{opacity:.48}.mhb-planet.is-past .mhb-planet-art{filter:saturate(.72) drop-shadow(0 8px 12px rgba(0,0,0,.28))}.mhb-planet.is-active{z-index:7;transform:scale(1.18);animation:mhbPlanetLand .9s cubic-bezier(.22,.9,.3,1) both}.mhb-planet.is-active .mhb-planet-art{filter:drop-shadow(0 14px 20px rgba(0,0,0,.42)) drop-shadow(0 0 12px var(--planet-glow))}.mhb-planet-badge{position:absolute;top:-2px;left:50%;translate:-50% 0;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:900;color:#fff;background:rgba(5,15,28,.9);border:1px solid rgba(255,255,255,.14);box-shadow:0 10px 24px rgba(0,0,0,.35);z-index:8}.mhb-planet.is-active .mhb-planet-badge{background:linear-gradient(135deg,var(--mhb-cyan),var(--mhb-lime));color:#06111e;border-color:transparent}.mhb-planet-label{position:absolute;top:calc(100% + 4px);left:50%;translate:-50% 0;width:150px;text-align:center;font-size:8px;line-height:1.3;text-transform:uppercase;letter-spacing:.11em;color:#aebdcb;font-weight:900;opacity:0;transition:opacity .3s ease}.mhb-planet.is-active .mhb-planet-label{opacity:1;color:#fff}
.mhb-rocket{position:absolute;left:0;top:0;width:clamp(56px,6vw,88px);height:auto;z-index:10;pointer-events:none;filter:drop-shadow(0 18px 20px rgba(0,0,0,.55));transform:translate(6%,79%) rotate(10deg);transition:transform 1.2s cubic-bezier(.32,.78,.2,1);transform-origin:50% 70%}.mhb-flight-trail{position:absolute;left:0;top:0;width:0;height:2px;background:linear-gradient(90deg,transparent,var(--mhb-cyan));box-shadow:0 0 16px rgba(85,220,232,.8);transform-origin:0 50%;opacity:0;z-index:1;transition:opacity .25s ease}.mhb-flight-trail.is-visible{opacity:.65}.mhb-landing-pulse{position:absolute;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,var(--pulse-glow,rgba(85,220,232,.24)),transparent 66%);opacity:0;z-index:1;pointer-events:none}.mhb-landing-pulse.is-active{animation:mhbLandingPulse 1s ease}
.mhb-reading-panel{align-self:center;min-height:430px;padding:clamp(26px,3.5vw,48px);border:1px solid rgba(255,255,255,.13);border-radius:30px;background:rgba(10,21,37,.91);box-shadow:0 32px 94px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.055);backdrop-filter:blur(20px);display:flex;flex-direction:column;position:relative;overflow:hidden}.mhb-reading-panel:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-90px;top:-85px;background:radial-gradient(circle,var(--active-glow,rgba(85,220,232,.22)),transparent 66%);pointer-events:none}.mhb-step{color:var(--mhb-cyan);font-size:10px;letter-spacing:.2em;text-transform:uppercase;font-weight:900}.mhb-sign-number{margin-top:32px;color:var(--mhb-lime);font-size:15px;font-weight:900}.mhb-sign-title{margin:8px 0 0;color:#fff;font-size:clamp(34px,4vw,58px);line-height:.98;letter-spacing:-.045em}.mhb-sign-copy{margin:22px 0 0;color:#c4d0dc;font-size:clamp(16px,1.6vw,20px);line-height:1.65}.mhb-read-footer{margin-top:auto;padding-top:30px}.mhb-countdown-row{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:13px;color:#8293a4;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.mhb-progress-track{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}.mhb-progress-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--mhb-cyan),var(--mhb-lime));box-shadow:0 0 18px rgba(85,220,232,.35)}
.mhb-final h2{font-size:clamp(40px,6vw,72px)}.mhb-ack{display:flex;align-items:flex-start;gap:13px;margin:26px auto 0;max-width:590px;padding:17px 18px;border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.045);text-align:left;color:#dce7f0;line-height:1.45;font-size:13px;cursor:pointer}.mhb-ack input{width:20px;height:20px;margin:0;accent-color:var(--mhb-lime);flex:0 0 auto}.mhb-save-message{min-height:20px;margin-top:14px;color:#8fa1b2;font-size:12px;font-weight:700}.mhb-save-message.is-error{color:#ff8a98}
.mhb-footer{color:#718297;font-size:9px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.mhb-footer-progress{display:flex;gap:6px}.mhb-footer-progress span{width:18px;height:3px;border-radius:999px;background:rgba(255,255,255,.11)}.mhb-footer-progress span.is-complete{background:var(--mhb-cyan);box-shadow:0 0 9px rgba(85,220,232,.45)}
@keyframes mhbPlanetFloat{0%,100%{translate:-50% -50%}50%{translate:-50% calc(-50% - 7px)}}@keyframes mhbPlanetLand{0%{transform:scale(.88)}62%{transform:scale(1.22)}100%{transform:scale(1.18)}}@keyframes mhbLandingPulse{0%{opacity:0;transform:scale(.4)}30%{opacity:.8}100%{opacity:0;transform:scale(1.4)}}
@media(max-width:980px){.mhb-overlay{overflow:auto}.mhb-shell{min-height:100%;height:auto;padding:22px}.mhb-mission.is-active{grid-template-columns:1fr;align-content:start;gap:18px}.mhb-space-map{height:48vh;min-height:400px}.mhb-reading-panel{min-height:340px}}
@media(max-width:620px){.mhb-shell{padding:17px 14px;gap:12px}.mhb-brand-copy span,.mhb-status{display:none}.mhb-intro,.mhb-final{padding:30px 20px;border-radius:24px}.mhb-intro h1{font-size:44px}.mhb-space-map{height:390px;min-height:390px}.mhb-planet{width:76px;height:76px}.mhb-planet-label{width:98px;font-size:7px}.mhb-reading-panel{padding:25px 21px;border-radius:24px;min-height:360px}.mhb-sign-title{font-size:38px}.mhb-sign-copy{font-size:16px}.mhb-footer{justify-content:center}.mhb-footer>span:first-child{display:none}}
@media(prefers-reduced-motion:reduce){.mhb-planet{animation:none!important}.mhb-rocket{transition-duration:.15s!important}}