@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=IBM+Plex+Sans:wght@400;500&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --navy:#0A1420;
  --navy-2:#101E2E;
  --cream:#F3EEDD;
  --teal:#3A9188;
  --brass:#C9A227;
  --muted:#93A0AC;
  --border:rgba(243,238,221,0.14);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--navy);color:var(--cream);font-family:'IBM Plex Sans',sans-serif;line-height:1.6;}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:700;margin:0 0 0.5rem;}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.08em;color:var(--brass);font-weight:500;margin-bottom:0.5rem;}

/* GATE */
#gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--navy);z-index:10;}
.gate-box{width:min(90vw,380px);text-align:center;border:1px solid var(--border);border-radius:12px;padding:2.5rem 2rem;background:var(--navy-2);}
.gate-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.08em;color:var(--brass);margin-bottom:0.75rem;}
.gate-box h1{font-size:28px;margin-bottom:0.5rem;}
.gate-sub{color:var(--muted);font-size:14px;margin-bottom:1.5rem;}
#gate-pass{width:100%;padding:0.75rem 1rem;border-radius:8px;border:1px solid var(--border);background:var(--navy);color:var(--cream);font-size:15px;margin-bottom:0.75rem;}
#gate-submit{width:100%;padding:0.75rem 1rem;border-radius:8px;border:none;background:var(--teal);color:var(--navy);font-weight:500;font-size:15px;cursor:pointer;}
#gate-submit:hover{opacity:0.9;}
#gate-error{color:#E2857A;font-size:13px;margin-top:0.75rem;display:none;}

/* LAYOUT */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 2rem;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:8px;}
.brand{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:15px;}
.brand-sep{color:var(--brass);}
.doc-ref{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted);}

.hero{padding:3rem 2rem 2rem;max-width:820px;}
.hero h1{font-size:32px;line-height:1.25;}
.hero-copy{color:var(--muted);font-size:16px;max-width:680px;}
.hero-copy strong{color:var(--cream);}

.panel{padding:2.5rem 2rem;border-top:1px solid var(--border);max-width:1000px;}
.panel h2{font-size:22px;}
.panel-sub{color:var(--muted);font-size:14px;max-width:720px;margin-bottom:1rem;}

.badge{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.05em;padding:3px 8px;border-radius:4px;margin-left:6px;vertical-align:middle;}
.badge-live{background:rgba(58,145,136,0.2);color:var(--teal);}
.badge-model{background:rgba(201,162,39,0.18);color:var(--brass);}

.stepper{display:flex;gap:24px;align-items:stretch;margin-top:1rem;}
.stepper-left{display:flex;flex-direction:column;min-width:280px;flex:0 0 320px;}
.stepper-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:1rem;}
.step-btn{display:flex;align-items:center;gap:10px;text-align:left;background:var(--navy-2);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--muted);font-size:13.5px;cursor:pointer;font-family:'IBM Plex Sans',sans-serif;}
.step-btn:hover{border-color:var(--border);background:rgba(58,145,136,0.08);}
.step-btn.active{color:var(--cream);border-color:var(--teal);background:rgba(58,145,136,0.14);}
.step-btn-num{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--teal);font-size:14px;min-width:16px;}
.stepper-text{border:1px solid var(--border);border-radius:10px;padding:1.25rem;background:var(--navy-2);flex:1;}
.step-panel{display:none;}
.step-panel.active{display:block;}
.step-panel h3{font-size:16px;margin-bottom:0.5rem;}
.step-panel p{font-size:13.5px;color:var(--muted);margin:0;}
.step-controls{display:flex;align-items:center;justify-content:space-between;margin-top:0.75rem;}
.step-controls button{background:transparent;border:1px solid var(--border);color:var(--cream);border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer;font-family:'IBM Plex Sans',sans-serif;}
.step-controls button:hover{border-color:var(--teal);}
.btn-simulate{width:100%;justify-content:center;display:flex;background:rgba(58,145,136,0.14)!important;border-color:var(--teal)!important;color:var(--cream)!important;font-weight:500;}
.step-dots{display:flex;gap:6px;}
.step-dot{width:7px;height:7px;border-radius:50%;background:var(--border);}
.step-dot.active{background:var(--teal);}

.stepper-right{flex:1;min-width:0;border:1px solid var(--border);border-radius:10px;background:var(--navy-2);display:flex;align-items:center;justify-content:center;padding:0.5rem;}
.orbit-map{width:100%;max-width:340px;height:auto;}
.orbit-ring{fill:none;stroke:var(--border);stroke-width:1;stroke-dasharray:3 4;}
.ground-dish path{stroke:#F3EEDD;fill:none;}
.ground-point{fill:#F3EEDD;}
.ground-base{fill:#F3EEDD;}
.orbit-label{font-family:'IBM Plex Mono',monospace;font-size:10px;fill:var(--muted);}
.sat{fill:#93A0AC;}
.sat-panel{fill:#93A0AC;}
.beam{stroke:#93A0AC;stroke-width:1;stroke-dasharray:3 3;opacity:0.2;transition:opacity 0.5s, stroke 0.5s;}
.check-badge{opacity:0;transition:opacity 0.4s;}
.check-badge circle{fill:#3A9188;}
.check-badge path{stroke:#F3EEDD;}

@media (prefers-reduced-motion: no-preference){
  .orbit-group.leo{animation:sweepLEO 6s ease-in-out infinite;}
  .orbit-group.leo-a{animation-delay:0s;}
  .orbit-group.leo-b{animation-delay:-2s;}
  .orbit-group.leo-c{animation-delay:-4s;}
  @keyframes sweepLEO{0%,100%{transform:rotate(-55deg);}50%{transform:rotate(55deg);}}
  .orbit-group.meo{animation:sweepMEO 14s ease-in-out infinite;}
  @keyframes sweepMEO{0%,100%{transform:rotate(-28deg);}50%{transform:rotate(28deg);}}
  .orbit-group.geo{animation:sweepGEO 30s ease-in-out infinite;}
  @keyframes sweepGEO{0%,100%{transform:rotate(-5deg);}50%{transform:rotate(5deg);}}
}

.onboard-badge{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--brass);text-align:center;border:1px solid var(--border);border-radius:6px;padding:6px 10px;margin-bottom:0.5rem;}
.orbit-caption{font-size:11.5px;color:var(--muted);text-align:center;margin:0.5rem 0 0;}

.param-table{width:100%;border-collapse:collapse;font-size:11.5px;margin:0.5rem 0;}
.param-table th{text-align:left;color:var(--brass);font-family:'IBM Plex Mono',monospace;font-size:10px;padding:4px 6px;border-bottom:1px solid var(--border);}
.param-table td{padding:4px 6px;border-bottom:1px solid var(--border);color:var(--cream);}
.param-table tr.winner-row td{color:var(--teal);font-weight:500;}
.orbit-first-note{font-size:12.5px;color:var(--brass);border-left:2px solid var(--brass);padding-left:10px;margin-top:0.75rem;}

/* Step 0 — Auto Tune: quiet orbits, no beams yet */
#orbit-map[data-step="0"] .beam{opacity:0.08;}
#orbit-map[data-step="0"] .sat{opacity:0.5;}
#orbit-map[data-step="0"] .sat-panel{opacity:0.5;}

/* Step 1 — Shortlist: three LEO satellites tracked (representative example) */
#orbit-map[data-step="1"] .beam-leo{opacity:0.7;}
#orbit-map[data-step="1"] .beam-meo,
#orbit-map[data-step="1"] .beam-geo{opacity:0.15;}

/* Step 2 — Live check: LEO-B wins among the three LEO candidates */
#orbit-map[data-step="2"] .beam-leo-a,
#orbit-map[data-step="2"] .beam-leo-c{opacity:0.15;}
#orbit-map[data-step="2"] .beam-meo,
#orbit-map[data-step="2"] .beam-geo{opacity:0.08;}
#orbit-map[data-step="2"] .beam-leo-b{opacity:1;stroke:#3A9188;stroke-width:2;stroke-dasharray:none;}
#orbit-map[data-step="2"] .check-badge{opacity:1;}

/* Step 3 — Handover: LEO-B (old) fades, GEO (new) locks in — the LEO-to-GEO combination */
#orbit-map[data-step="3"] .beam-leo-a,
#orbit-map[data-step="3"] .beam-leo-c,
#orbit-map[data-step="3"] .beam-meo{opacity:0.08;}
#orbit-map[data-step="3"] .beam-leo-b{opacity:0.2;stroke:#93A0AC;stroke-width:1;stroke-dasharray:3 3;}
#orbit-map[data-step="3"] .beam-geo{opacity:1;stroke:#1D9E75;stroke-width:2.4;stroke-dasharray:none;}
#orbit-map[data-step="3"] .check-badge{opacity:0;}
@media (prefers-reduced-motion: no-preference){
  #orbit-map[data-step="3"] .beam-geo{animation:handoverDraw 1s ease-out;}
  @keyframes handoverDraw{0%{opacity:0;}30%{opacity:1;}100%{opacity:1;}}
}

@media (max-width:760px){
  .stepper{flex-direction:column;}
  .stepper-left{flex:1 1 auto;min-width:0;width:100%;}
  .stepper-nav{flex-direction:row;flex-wrap:wrap;}
  .step-btn{flex:1;min-width:120px;justify-content:center;}
  .stepper-right{padding:1rem;}
}

.analogy{margin-top:1.25rem;font-size:13.5px;color:var(--muted);border-left:2px solid var(--brass);padding-left:12px;}


.last-updated{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted);margin-bottom:1rem;}

.orbit3d-wrap{display:flex;gap:16px;align-items:flex-start;}
.orbit3d-main{flex:1;min-width:0;}
.orbit3d-canvas{width:100%;height:460px;border:1px solid var(--border);border-radius:10px;background:var(--navy-2);cursor:default;position:relative;overflow:hidden;}
.orbit3d-tooltip{position:fixed;display:none;background:var(--navy-2);border:1px solid var(--teal);border-radius:8px;padding:8px 12px;font-size:12px;line-height:1.5;color:var(--cream);pointer-events:none;z-index:20;max-width:220px;}
.orbit3d-linelabel{position:absolute;display:none;transform:translate(-50%,-50%);background:rgba(16,30,46,0.9);border:1px solid #C9A227;border-radius:5px;padding:2px 6px;font-family:'IBM Plex Mono',monospace;font-size:10px;color:#F2C744;white-space:nowrap;pointer-events:none;z-index:15;}
.orbit3d-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:0.75rem;}
.legend-chip{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);}
.legend-dot{width:9px;height:9px;border-radius:50%;display:inline-block;}
.legend-dash{width:14px;height:2px;display:inline-block;background-image:linear-gradient(90deg,currentColor 60%,transparent 40%);background-size:6px 2px;}

.orbit3d-sidebar{width:270px;flex-shrink:0;display:flex;flex-direction:column;gap:10px;}
.accordion{border:1px solid var(--border);border-radius:8px;background:var(--navy-2);overflow:hidden;}
.accordion-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:11px 14px;background:transparent;border:none;color:var(--cream);font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.02em;cursor:pointer;}
.accordion-header span:first-child{display:flex;align-items:center;gap:8px;}
.accordion-header .chevron{color:var(--muted);transition:transform 0.2s ease;font-size:10px;}
.accordion.open .accordion-header .chevron{transform:rotate(180deg);}
.accordion-body{max-height:0;overflow:hidden;transition:max-height 0.3s ease;}
.accordion.open .accordion-body{max-height:640px;overflow-y:auto;}
.accordion-body-inner{padding:0 14px 14px;}

@media (max-width:900px){
  .orbit3d-wrap{flex-direction:column;}
  .orbit3d-sidebar{width:100%;}
}
.orbit3d-note{font-size:12px;color:var(--muted);margin-top:0.75rem;border-left:2px solid var(--border);padding-left:10px;}

.ground-controls{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:0.75rem;padding:10px 14px;border:1px solid var(--border);border-radius:8px;background:var(--navy-2);}
.ground-status{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--cream);}
.ground-selects{display:flex;flex-wrap:wrap;gap:8px;}
.ground-selects select{background:var(--navy);border:1px solid var(--border);color:var(--cream);border-radius:6px;padding:6px 10px;font-size:12.5px;font-family:'IBM Plex Sans',sans-serif;}
.ground-selects select:disabled{opacity:0.5;}
.ground-selects button{background:transparent;border:1px solid var(--teal);color:var(--cream);border-radius:6px;padding:6px 12px;font-size:12.5px;cursor:pointer;font-family:'IBM Plex Sans',sans-serif;}
.ground-selects button:hover{background:rgba(58,145,136,0.14);}
.sat-row{display:flex;justify-content:space-between;font-size:12.5px;padding:5px 0;border-top:1px solid var(--border);}
.sat-row:first-of-type{border-top:none;}

table.switch-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:0.5rem;}
table.switch-table th{text-align:left;color:var(--brass);font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.03em;padding:8px 10px;border-bottom:1px solid var(--border);}
table.switch-table td{padding:8px 10px;border-bottom:1px solid var(--border);color:var(--cream);}
table.switch-table tr.active-row{background:rgba(58,145,136,0.12);}
table.switch-table tr.best-row td:last-child{color:var(--brass);}

.switch-tabs{display:flex;gap:8px;margin:1rem 0 1.25rem;flex-wrap:wrap;}
.switch-tab-btn{display:flex;align-items:center;gap:8px;background:var(--navy-2);border:1px solid var(--border);color:var(--muted);border-radius:8px;padding:9px 16px;font-size:13px;font-family:'IBM Plex Mono',monospace;letter-spacing:0.02em;cursor:pointer;}
.switch-tab-btn:hover{border-color:var(--border);background:rgba(58,145,136,0.08);}
.switch-tab-btn.active{color:var(--cream);border-color:var(--teal);background:rgba(58,145,136,0.14);}
.switch-tab-panel{display:none;}
.switch-tab-panel.active{display:block;}
.stage-dot{width:8px;height:8px;border-radius:50%;display:inline-block;}
.stage-dot-1{background:var(--brass);}
.stage-dot-2{background:var(--teal);animation:stageDotPulse 1.6s ease-in-out infinite;}
.stage-dot-3{background:#1D9E75;}
.stage-sub{font-size:13px;color:var(--muted);margin:0 0 0.75rem;}
.badge-auto{background:rgba(147,160,172,0.15);color:var(--muted);margin-left:4px;}
@media (prefers-reduced-motion: no-preference){
  @keyframes stageDotPulse{0%,100%{opacity:1;}50%{opacity:0.35;}}
}
.stage-sub{font-size:13px;color:var(--muted);margin:0 0 0.75rem;}
.badge-auto{background:rgba(147,160,172,0.15);color:var(--muted);margin-left:4px;}
.stage1-list{display:flex;flex-direction:column;gap:4px;}
.stage1-row{display:flex;flex-direction:column;gap:5px;padding:8px 10px;border-radius:6px;background:var(--navy);}
.stage1-row-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.sat-name{color:var(--cream);}
.sat-meta{display:block;width:100%;color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:11px;line-height:1.5;}
.stage1-tag{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--brass);border:1px solid var(--border);border-radius:4px;padding:1px 6px;}
.stage1-tag-comms{color:var(--teal);border-color:var(--teal);}
.stage1-tag-nav{color:var(--brass);border-color:var(--brass);}
.stage1-tag-active{background:#1D9E75;color:#0A1420;border-color:#1D9E75;font-weight:600;}
.stage1-tag-band{color:var(--muted);}
.shortlist-status{font-size:12px;padding:6px 10px;border-radius:6px;margin-bottom:0.6rem;font-family:'IBM Plex Mono',monospace;}
.shortlist-status.ok{background:rgba(58,145,136,0.14);color:var(--teal);}
.shortlist-status.fallback{background:rgba(201,162,39,0.14);color:var(--brass);}


.degrade-row{display:flex;align-items:center;gap:12px;margin-top:1.25rem;font-size:13px;color:var(--muted);}
.degrade-row input[type=range]{flex:1;}
#degrade-out{min-width:36px;text-align:right;font-family:'IBM Plex Mono',monospace;color:var(--cream);}
.decision-box{margin-top:1rem;padding:1rem;border-radius:8px;background:var(--navy-2);border:1px solid var(--border);font-size:14px;}

.pnt-summary{display:flex;flex-wrap:wrap;gap:10px;}
.pnt-chip{border:1px solid var(--border);border-radius:20px;padding:6px 14px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--cream);background:var(--navy-2);}
.pnt-fix{width:100%;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--brass);margin-bottom:4px;}
.pnt-note{width:100%;font-size:11.5px;color:var(--muted);margin-top:4px;}

.claims-panel{background:var(--navy-2);}
.claims-list{display:flex;flex-direction:column;gap:10px;margin-top:0.5rem;}
.claim-item{border:1px solid var(--border);border-radius:8px;padding:1rem;background:var(--navy);}
.claim-item h4{font-size:14px;margin:0 0 4px;color:var(--brass);}
.claim-item p{font-size:13.5px;color:var(--muted);margin:0;}
.claims-footnote{font-size:12px;color:var(--muted);margin-top:1.25rem;}

.footer{padding:2rem;text-align:center;font-size:11.5px;color:var(--muted);border-top:1px solid var(--border);}

@media (max-width:640px){
  .hero,.panel{padding:2rem 1.25rem;}
  .topbar{padding:1rem 1.25rem;}
}