:root{
    --navy:#0A1F2B;
    --navy-deep:#071620;
    --panel:#102A38;
    --panel-2:#153545;
    --hull:#EDEEE7;
    --fog:#8FA3AC;
    --fog-dim:#5C7078;
    --amber:#E8963C;
    --amber-dim:rgba(232,150,60,0.32);
    --teal:#4FA79D;
    --line:rgba(237,238,231,0.14);
    --line-strong:rgba(237,238,231,0.28);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--navy);
    color:var(--hull);
    font-family:'Inter',sans-serif;
    -webkit-font-smoothing:antialiased;
  }
  ::selection{background:var(--amber-dim);color:var(--hull);}
  .mono{font-family:'IBM Plex Mono',monospace;}
  .display{font-family:'Big Shoulders Display',sans-serif;font-weight:800;text-transform:none;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 32px;}
  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--amber);
    margin:0 0 14px;
    display:flex;align-items:center;gap:10px;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--amber);display:inline-block;}
  section{border-top:1px solid var(--line);}
  h2.display{font-size:40px;line-height:1.05;margin:0 0 16px;letter-spacing:0.005em;}
  p.lede{color:var(--fog);font-size:17px;line-height:1.6;max-width:640px;margin:0 0 8px;}
  .note{font-size:13px;color:var(--fog-dim);line-height:1.65;}

  /* NAV */
  nav{
    position:sticky;top:0;z-index:50;
    background:rgba(10,31,43,0.88);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;}
  .brand{display:flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:14px;letter-spacing:0.04em;}
  .brand svg{width:26px;height:16px;}
  .brand .sub{color:var(--fog-dim);letter-spacing:0.1em;font-size:11px;}
  .navlinks{display:flex;gap:24px;list-style:none;margin:0;padding:0;}
  .navlinks a{color:var(--fog);text-decoration:none;font-size:13px;letter-spacing:0.02em;transition:color .15s;}
  .navlinks a:hover{color:var(--hull);}
  .navcta{
    font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.04em;
    color:var(--navy);background:var(--amber);
    padding:9px 16px;border-radius:2px;text-decoration:none;white-space:nowrap;
  }
  .navcta .short{display:none;}
  @media(max-width:960px){.navlinks{display:none;}}
  @media(max-width:520px){
    .wrap{padding:0 20px;}
    .brand .sub{display:none;}
    .navcta .full{display:none;}
    .navcta .short{display:inline;}
    .navcta{padding:9px 12px;}
    h2.display{font-size:32px;}
  }

  /* HERO */
  .hero{border-top:none;padding:88px 0 40px;position:relative;overflow:hidden;}
  .hero .wrap{position:relative;z-index:2;}
  h1.display{
    font-size:clamp(40px,6.4vw,76px);
    line-height:0.98;
    margin:0 0 22px;
    max-width:900px;
  }
  h1.display em{font-style:normal;color:var(--amber);}
  .hero-actions{display:flex;gap:14px;margin:30px 0 48px;flex-wrap:wrap;}
  .btn{
    font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:0.03em;
    padding:13px 20px;border-radius:2px;text-decoration:none;
    border:1px solid var(--line-strong);color:var(--hull);
    transition:border-color .15s, background .15s;
    cursor:pointer;background:transparent;display:inline-block;
  }
  .btn:hover{border-color:var(--hull);}
  .btn.primary{background:var(--amber);border-color:var(--amber);color:var(--navy-deep);font-weight:500;}
  .btn.primary:hover{background:#f0a655;}

  /* HERO STAT BAR */
  .statbar{
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    margin-bottom:44px;
  }
  .statbar div{padding:24px 24px 24px 0;border-right:1px solid var(--line);}
  .statbar div:last-child{border-right:none;}
  .statbar .n{font-family:'Big Shoulders Display',sans-serif;font-weight:700;font-size:34px;line-height:1;}
  .statbar .l{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--fog-dim);margin-top:10px;}
  @media(max-width:760px){.statbar{grid-template-columns:1fr 1fr;}.statbar div:nth-child(2n){border-right:none;}}

  .shipwrap{position:relative;}
  .shipcaption{
    display:flex;justify-content:space-between;align-items:baseline;
    margin-top:10px;padding-top:14px;border-top:1px solid var(--line);
    font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--fog-dim);
  }
  .shipcaption span.hl{color:var(--amber);}

  /* PILLARS */
  .pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px;}
  @media(max-width:900px){.pillars{grid-template-columns:1fr 1fr;}}
  @media(max-width:560px){.pillars{grid-template-columns:1fr;}}
  .pillar{background:var(--navy);padding:26px 22px;}
  .pillar .ico{width:26px;height:26px;margin-bottom:14px;color:var(--amber);}
  .pillar h3{font-size:15px;margin:0 0 8px;font-weight:600;}
  .pillar p{font-size:13.5px;line-height:1.6;color:var(--fog);margin:0;}

  /* SCALE */
  .scale-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-top:8px;}
  @media(max-width:820px){.scale-grid{grid-template-columns:1fr;}}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px;}
  .chip{
    font-family:'IBM Plex Mono',monospace;font-size:12.5px;
    padding:9px 14px;border:1px solid var(--line-strong);border-radius:20px;
    background:transparent;color:var(--fog);cursor:pointer;transition:all .15s;
  }
  .chip:hover{border-color:var(--hull);color:var(--hull);}
  .chip.active{background:var(--amber);border-color:var(--amber);color:var(--navy-deep);font-weight:500;}
  .compare-bars{margin-top:10px;}
  .bar-row{margin-bottom:22px;}
  .bar-label{display:flex;justify-content:space-between;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--fog);margin-bottom:8px;}
  .bar-track{height:10px;background:var(--panel);border-radius:2px;overflow:hidden;}
  .bar-fill{height:100%;background:var(--hull);border-radius:2px;transition:width .4s ease;}
  .bar-fill.amber{background:var(--amber);}
  .scale-readout{
    font-family:'IBM Plex Mono',monospace;font-size:14px;color:var(--hull);
    background:var(--panel);border:1px solid var(--line);padding:18px 20px;border-radius:4px;line-height:1.6;
  }
  .scale-readout b{color:var(--amber);font-weight:500;}

  /* SECTION generic padding */
  .sec{padding:88px 0;}

  /* VESSEL / hotspots */
  .vessel-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:36px;align-items:start;margin-top:44px;}
  @media(max-width:900px){.vessel-layout{grid-template-columns:1fr;}}
  .blueprint-panel{
    background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:26px 22px 18px;
    min-width:0;
  }
  .bp-scroll{overflow-x:auto;max-width:100%;}
  @media(max-width:700px){.bp-scroll svg{min-width:620px;}}
  .hotspot{cursor:pointer;}
  .hotspot circle.ring{fill:none;stroke:var(--amber);stroke-width:1.4;opacity:0.55;}
  .hotspot circle.dot{fill:var(--amber);}
  .hotspot.active circle.ring{opacity:1;stroke-width:2;}
  .hotspot.active circle.dot{fill:var(--hull);}
  .hotspot:hover circle.ring{opacity:1;}
  .spec-card{
    background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:24px;min-height:300px;
    display:flex;flex-direction:column;
  }
  .spec-card .tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--amber);margin-bottom:10px;}
  .spec-card h3{font-family:'Big Shoulders Display',sans-serif;font-weight:700;font-size:26px;margin:0 0 12px;}
  .spec-card p{color:var(--fog);font-size:14.5px;line-height:1.65;margin:0 0 20px;}
  .spec-stats{display:flex;gap:22px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
  .spec-stat .n{font-family:'IBM Plex Mono',monospace;font-size:20px;color:var(--hull);}
  .spec-stat .l{font-size:11.5px;color:var(--fog-dim);margin-top:2px;}
  .hotlist{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px;}
  @media(max-width:560px){.hotlist{grid-template-columns:1fr;}}
  .hotlist li button{
    width:100%;text-align:left;background:none;border:none;color:var(--fog);
    font-family:'Inter',sans-serif;font-size:14px;padding:10px 8px;cursor:pointer;
    border-radius:3px;display:flex;align-items:center;gap:10px;transition:background .15s,color .15s;
  }
  .hotlist li button:hover{background:var(--panel-2);color:var(--hull);}
  .hotlist li button.active{background:var(--amber-dim);color:var(--hull);}
  .hotlist .idx{font-family:'IBM Plex Mono',monospace;color:var(--amber);font-size:12px;width:16px;}

  /* CAPACITY */
  .calc-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;margin-top:44px;}
  @media(max-width:900px){.calc-grid{grid-template-columns:1fr;}}
  .control-block{margin-bottom:30px;}
  .control-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:12px;}
  .control-label .v{font-family:'IBM Plex Mono',monospace;color:var(--amber);}
  input[type=range]{
    -webkit-appearance:none;width:100%;height:3px;background:var(--line-strong);border-radius:2px;outline:none;
  }
  input[type=range]::-webkit-slider-thumb{
    -webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--amber);cursor:pointer;border:3px solid var(--navy);box-shadow:0 0 0 1px var(--amber);
  }
  input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--amber);cursor:pointer;border:3px solid var(--navy);}
  .toggle-row{display:flex;gap:10px;flex-wrap:wrap;}
  .toggle{
    flex:1;min-width:120px;text-align:center;padding:12px 10px;border:1px solid var(--line-strong);border-radius:4px;
    cursor:pointer;font-size:13px;color:var(--fog);background:transparent;transition:all .15s;
  }
  .toggle.active{border-color:var(--amber);background:var(--amber-dim);color:var(--hull);}
  .stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .stat-card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:20px;}
  .stat-card .n{font-family:'IBM Plex Mono',monospace;font-size:30px;color:var(--hull);line-height:1;}
  .stat-card .l{font-size:12.5px;color:var(--fog);margin-top:8px;}
  .stat-card.wide{grid-column:1 / -1;display:flex;justify-content:space-between;align-items:center;background:var(--panel-2);}
  .stat-card.accent .n{color:var(--amber);}

  /* DEPLOYMENT */
  .track-toggle{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap;}
  .timeline{display:flex;margin-top:44px;position:relative;}
  .tl-node{flex:1;position:relative;padding-right:20px;}
  .tl-node:last-child{padding-right:0;}
  .tl-line{position:absolute;top:9px;left:0;right:0;height:1px;background:var(--line-strong);}
  .tl-node:first-child .tl-line{left:9px;}
  .tl-node:last-child .tl-line{right:calc(100% - 9px);}
  .tl-dot-btn{background:none;border:none;padding:0;cursor:pointer;text-align:left;width:100%;display:block;}
  .tl-dot{
    width:18px;height:18px;border-radius:50%;background:var(--navy);border:2px solid var(--fog-dim);
    position:relative;z-index:2;transition:all .15s;display:block;
  }
  .tl-node.active .tl-dot{border-color:var(--amber);background:var(--amber);}
  .tl-day{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--amber);margin:16px 0 6px;letter-spacing:0.06em;text-transform:uppercase;}
  .tl-title{font-size:14.5px;color:var(--hull);font-weight:500;margin-bottom:4px;}
  .tl-detail{
    font-size:13.5px;color:var(--fog);line-height:1.6;max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .tl-node.active .tl-detail{max-height:200px;margin-top:8px;}
  @media(max-width:820px){.timeline{flex-direction:column;gap:0;}.tl-node{padding-right:0;padding-bottom:20px;}.tl-line{display:none;}}

  /* SPEC PLATE */
  .plate{
    margin-top:44px;background:var(--panel);border:1px solid var(--line-strong);border-radius:6px;
    padding:8px;
  }
  .plate-inner{border:1px solid var(--line);border-radius:4px;padding:36px;}
  .plate-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line);}
  .plate-head h3{font-family:'Big Shoulders Display',sans-serif;font-weight:800;font-size:30px;margin:0 0 6px;letter-spacing:0.02em;}
  .plate-head .sub{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--fog-dim);}
  .rev{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.12em;color:var(--amber);border:1px solid var(--amber);border-radius:20px;padding:6px 14px;white-space:nowrap;}
  .plate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px;}
  @media(max-width:760px){.plate-grid{grid-template-columns:repeat(2,1fr);}}
  .plate-item{border-bottom:1px dotted var(--line-strong);padding-bottom:12px;}
  .plate-item .l{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--fog-dim);margin-bottom:6px;}
  .plate-item .v{font-family:'IBM Plex Mono',monospace;font-size:16px;color:var(--hull);line-height:1.4;}
  .plate-foot{margin-top:28px;font-size:12px;color:var(--fog-dim);line-height:1.6;}

  /* FACILITIES */
  .fac-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:44px;}
  @media(max-width:760px){.fac-grid{grid-template-columns:1fr;}}
  .fac-card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:24px;transition:border-color .15s;}
  .fac-card:hover{border-color:var(--line-strong);}
  .fac-card .ico{width:36px;height:36px;border-radius:8px;background:var(--amber-dim);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--amber);}
  .fac-card .ico svg{width:20px;height:20px;}
  .fac-card h3{font-size:16px;margin:0 0 8px;font-weight:600;}
  .fac-card p{font-size:14px;line-height:1.65;color:var(--fog);margin:0;}

  /* NAVAL ARCHITECT REVIEW */
  .review-band{background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:36px;margin-top:44px;}
  .review-band > .eyebrow{color:var(--teal);}
  .review-band > .eyebrow::before{background:var(--teal);}
  .review-band h3{font-family:'Big Shoulders Display',sans-serif;font-weight:700;font-size:26px;margin:0 0 8px;}
  .review-band .note{max-width:700px;margin-bottom:28px;}
  .rec-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  @media(max-width:760px){.rec-grid{grid-template-columns:1fr;}}
  .rec-card{background:var(--navy);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:4px;padding:20px;}
  .rec-card h4{font-size:14.5px;margin:0 0 8px;font-weight:600;}
  .rec-card p{font-size:13.5px;line-height:1.6;color:var(--fog);margin:0;}

  /* PARTNER */
  .partner-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:44px;align-items:start;}
  @media(max-width:900px){.partner-grid{grid-template-columns:1fr;}}
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:12.5px;color:var(--fog);margin-bottom:7px;}
  .field input, .field select, .field textarea{
    width:100%;background:var(--panel);border:1px solid var(--line-strong);border-radius:4px;
    color:var(--hull);font-family:'Inter',sans-serif;font-size:14px;padding:11px 12px;outline:none;
  }
  .field input:focus, .field select:focus, .field textarea:focus{border-color:var(--amber);}
  .field textarea{resize:vertical;min-height:80px;}
  .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  @media(max-width:520px){.row2{grid-template-columns:1fr;}}
  .submitbtn{
    width:100%;padding:15px;background:var(--amber);border:none;border-radius:4px;
    font-family:'IBM Plex Mono',monospace;font-size:13.5px;color:var(--navy-deep);font-weight:500;cursor:pointer;
    transition:background .15s;
  }
  .submitbtn:hover{background:#f0a655;}
  .submitbtn.sent{background:var(--teal);color:var(--navy-deep);cursor:default;}
  .partner-note{color:var(--fog);font-size:15px;line-height:1.7;}
  .partner-list{list-style:none;margin:26px 0 0;padding:0;}
  .partner-list li{
    display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line);font-size:14px;color:var(--fog);
  }
  .partner-list li b{color:var(--hull);font-weight:500;min-width:150px;display:inline-block;}

  footer{border-top:1px solid var(--line);padding:36px 0;background:var(--navy-deep);}
  .foot-top{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--fog);font-family:'IBM Plex Mono',monospace;padding-bottom:20px;border-bottom:1px solid var(--line);}
  .foot-disclaimer{margin-top:20px;font-size:11.5px;color:var(--fog-dim);line-height:1.7;max-width:900px;}
  @media(max-width:600px){.foot-top{flex-direction:column;gap:10px;align-items:flex-start;}}

/* ============================================================
   SHARED COMPONENTS — members area, gate, visualisations
   ============================================================ */

.page-head{padding:56px 0 40px;border-bottom:1px solid var(--line);}
.page-head h1{font-family:'Big Shoulders Display',sans-serif;font-weight:800;font-size:clamp(34px,5vw,56px);line-height:1;margin:0 0 16px;}
.crumb{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--fog-dim);margin:0 0 18px;}
.crumb a{color:var(--fog);text-decoration:none;}
.crumb a:hover{color:var(--amber);}

/* member bar */
.memberbar{background:var(--navy-deep);border-bottom:1px solid var(--line);font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--fog-dim);}
.memberbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px;}
.memberbar .who{color:var(--fog);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.memberbar .who b{color:var(--amber);font-weight:500;}
.memberbar button{background:none;border:1px solid var(--line-strong);color:var(--fog);font-family:inherit;font-size:11px;padding:4px 10px;border-radius:2px;cursor:pointer;white-space:nowrap;}
.memberbar button:hover{border-color:var(--hull);color:var(--hull);}
.lockchip{display:inline-flex;align-items:center;gap:6px;color:var(--teal);}

/* gate */
.gate-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 24px;}
.gate-card{width:100%;max-width:460px;background:var(--panel);border:1px solid var(--line-strong);border-radius:8px;padding:40px;}
.gate-card h1{font-family:'Big Shoulders Display',sans-serif;font-weight:800;font-size:34px;margin:0 0 10px;line-height:1;}
.gate-card .sub{color:var(--fog);font-size:14.5px;line-height:1.6;margin:0 0 28px;}
.gate-note{margin-top:20px;font-size:11.5px;color:var(--fog-dim);line-height:1.6;}
.gate-err{background:rgba(232,150,60,0.12);border:1px solid var(--amber);color:var(--hull);font-size:13px;padding:11px 13px;border-radius:4px;margin-bottom:18px;display:none;}

/* index / hub cards */
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:40px;}
.hub-card{display:block;text-decoration:none;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:26px;transition:border-color .15s,transform .15s;}
.hub-card:hover{border-color:var(--amber);transform:translateY(-2px);}
.hub-card .k{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--amber);margin-bottom:12px;}
.hub-card h3{font-family:'Big Shoulders Display',sans-serif;font-weight:700;font-size:24px;margin:0 0 10px;}
.hub-card p{font-size:14px;line-height:1.6;color:var(--fog);margin:0 0 16px;}
.hub-card .go{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--fog-dim);}
.hub-card:hover .go{color:var(--amber);}

/* visualisation shell */
.viz-shell{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px;margin-top:32px;}
.viz-stage{background:var(--navy-deep);border:1px solid var(--line);border-radius:6px;overflow:hidden;}
.viz-stage svg{display:block;width:100%;height:auto;}
.viz-controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px;}
.vbtn{font-family:'IBM Plex Mono',monospace;font-size:12.5px;padding:10px 16px;border-radius:3px;border:1px solid var(--line-strong);background:transparent;color:var(--hull);cursor:pointer;transition:all .15s;}
.vbtn:hover{border-color:var(--hull);}
.vbtn.primary{background:var(--amber);border-color:var(--amber);color:var(--navy-deep);font-weight:500;}
.vbtn.primary:hover{background:#f0a655;}
.vbtn.on{border-color:var(--teal);background:rgba(79,167,157,0.16);color:var(--hull);}
.vbtn.danger.on{border-color:#D9534F;background:rgba(217,83,79,0.18);}
.scrub{flex:1;min-width:180px;}
.viz-readout{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;margin-top:16px;overflow:hidden;}
.viz-readout div{background:var(--panel-2);padding:14px 16px;}
.viz-readout .l{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.09em;text-transform:uppercase;color:var(--fog-dim);margin-bottom:6px;}
.viz-readout .v{font-family:'IBM Plex Mono',monospace;font-size:18px;color:var(--hull);line-height:1.2;}
.viz-readout .v.amber{color:var(--amber);}
.viz-readout .v.teal{color:var(--teal);}
.viz-readout .v.warn{color:#E8703C;}
.phase-strip{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap;}
.phase-pill{flex:1;min-width:130px;text-align:left;padding:11px 13px;border:1px solid var(--line-strong);border-radius:4px;background:transparent;color:var(--fog);cursor:pointer;transition:all .15s;font-family:'Inter',sans-serif;font-size:12.5px;}
.phase-pill .pn{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:var(--fog-dim);display:block;margin-bottom:4px;letter-spacing:0.08em;}
.phase-pill.active{border-color:var(--amber);background:var(--amber-dim);color:var(--hull);}
.phase-pill.active .pn{color:var(--amber);}
.viz-caption{margin-top:18px;font-size:13.5px;line-height:1.7;color:var(--fog);min-height:48px;}
.viz-caption b{color:var(--hull);font-weight:500;}

/* doc / spec listing */
.disc-block{margin-top:56px;}
.disc-block > h2{font-family:'Big Shoulders Display',sans-serif;font-weight:800;font-size:32px;margin:0 0 6px;}
.disc-block > .kicker{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--fog-dim);margin:0 0 24px;}
.item{border-top:1px solid var(--line);padding:22px 0;display:grid;grid-template-columns:64px 1fr 92px;gap:20px;align-items:start;}
@media(max-width:700px){.item{grid-template-columns:56px 1fr;}.item .pri{grid-column:1 / -1;}}
.item .ref{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--amber);padding-top:2px;}
.item h4{font-size:15.5px;margin:0 0 7px;font-weight:600;}
.item p{font-size:14px;line-height:1.65;color:var(--fog);margin:0;}
.pri{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.08em;text-transform:uppercase;padding:4px 8px;border-radius:2px;border:1px solid;white-space:nowrap;text-align:center;}
.pri.s{color:#E8703C;border-color:rgba(232,112,60,0.5);background:rgba(232,112,60,0.1);}
.pri.r{color:var(--amber);border-color:var(--amber-dim);background:rgba(232,150,60,0.09);}
.pri.d{color:var(--teal);border-color:rgba(79,167,157,0.45);background:rgba(79,167,157,0.1);}
.legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;font-size:12.5px;color:var(--fog);align-items:center;}
.top5{background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:6px;padding:28px 30px;margin-top:44px;}
.top5 h3{font-family:'Big Shoulders Display',sans-serif;font-weight:700;font-size:24px;margin:0 0 16px;}
.top5 ol{margin:0;padding-left:20px;color:var(--fog);font-size:14.5px;line-height:1.8;}
.top5 ol b{color:var(--hull);font-weight:500;}

/* ============================================================
   CHARTS, MATRICES, LAYER DIAGRAMS — technical sub-pages
   ============================================================ */

.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;}
@media(max-width:900px){.chart-grid{grid-template-columns:1fr;}}
.chart-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:22px;}
.chart-card h3{font-family:'Big Shoulders Display',sans-serif;font-weight:700;font-size:22px;margin:0 0 6px;}
.chart-card .ck{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--fog-dim);margin-bottom:18px;}
.chart-card svg{display:block;width:100%;height:auto;background:var(--navy-deep);border:1px solid var(--line);border-radius:5px;}
.ax{stroke:var(--fog-dim);stroke-width:1;}
.axl{font-family:'IBM Plex Mono',monospace;font-size:9.5px;fill:var(--fog-dim);}
.gridline{stroke:rgba(237,238,231,.08);stroke-width:1;}
.envelope{fill:rgba(232,150,60,.14);stroke:var(--amber);stroke-width:1.6;}
.curve{fill:none;stroke:var(--teal);stroke-width:2;}
.curve.alt{stroke:var(--amber);stroke-dasharray:5 4;}
.oppt{fill:var(--hull);stroke:var(--navy);stroke-width:2;}

/* threat / response matrix */
.matrix-wrap{overflow-x:auto;margin-top:28px;border:1px solid var(--line);border-radius:6px;}
table.matrix{border-collapse:collapse;width:100%;min-width:720px;font-size:13.5px;}
table.matrix th,table.matrix td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;}
table.matrix thead th{background:var(--panel-2);font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fog-dim);font-weight:400;}
table.matrix tbody th{background:var(--panel);color:var(--hull);font-weight:500;font-size:14px;width:190px;}
table.matrix td{color:var(--fog);line-height:1.55;background:rgba(16,42,56,.4);}
table.matrix tbody tr:hover td{background:var(--panel);}

/* option comparison */
.opt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:28px;}
.opt-card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:22px;border-top:3px solid var(--fog-dim);}
.opt-card.pick{border-top-color:var(--amber);}
.opt-card h4{font-size:15.5px;margin:0 0 4px;font-weight:600;}
.opt-card .verdict{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--fog-dim);margin-bottom:14px;}
.opt-card.pick .verdict{color:var(--amber);}
.opt-card ul{list-style:none;margin:0;padding:0;}
.opt-card li{font-size:13.5px;line-height:1.55;color:var(--fog);padding:7px 0 7px 20px;position:relative;}
.opt-card li::before{position:absolute;left:0;font-family:'IBM Plex Mono',monospace;font-size:12px;}
.opt-card li.y::before{content:"+";color:var(--teal);}
.opt-card li.n::before{content:"\2212";color:#D9534F;}

/* stepped process flow */
.flow-steps{display:flex;flex-direction:column;gap:2px;margin-top:28px;}
.flow-step{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:6px;cursor:pointer;transition:border-color .15s,background .15s;text-align:left;font-family:'Inter',sans-serif;}
.flow-step:hover{border-color:var(--line-strong);}
.flow-step.active{border-color:var(--amber);background:var(--panel-2);}
.flow-step .when{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--amber);letter-spacing:.06em;}
.flow-step h4{font-size:15.5px;margin:0 0 6px;font-weight:600;color:var(--hull);}
.flow-step p{font-size:14px;line-height:1.6;color:var(--fog);margin:0;max-height:0;overflow:hidden;transition:max-height .25s ease;}
.flow-step.active p{max-height:220px;margin-top:4px;}
@media(max-width:620px){.flow-step{grid-template-columns:1fr;gap:8px;}}

/* layered security rings */
.layer-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;margin-top:32px;align-items:start;}
@media(max-width:900px){.layer-layout{grid-template-columns:1fr;}}
.ring{fill:none;stroke-width:22;opacity:.22;cursor:pointer;transition:opacity .15s;}
.ring:hover{opacity:.45;}
.ring.active{opacity:.72;}
.ringlbl{font-family:'IBM Plex Mono',monospace;font-size:11px;fill:var(--fog);letter-spacing:.06em;cursor:pointer;}
.ringlbl.active{fill:var(--hull);}

/* key/value strip */
.kv-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-top:32px;}
.kv-strip div{background:var(--panel);padding:18px;}
.kv-strip .k{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--fog-dim);margin-bottom:7px;}
.kv-strip .v{font-family:'IBM Plex Mono',monospace;font-size:17px;color:var(--hull);line-height:1.3;}
.kv-strip .v.amber{color:var(--amber);}

.callout{background:var(--panel-2);border:1px solid var(--line);border-left:3px solid #E8703C;border-radius:6px;padding:24px 26px;margin-top:32px;}
.callout h4{font-size:15.5px;margin:0 0 8px;font-weight:600;}
.callout p{font-size:14px;line-height:1.7;color:var(--fog);margin:0;}