/* Lensfix: deep teal, tech sleek, map-led (Abuja drawn as a circuit board) */
:root{
  --ground:#071A1D; --surface:#0E2A2E; --ink:#E6F4F2; --primary:#19C3B1; --accent:#FFB547; --muted:#93B7B2;
  --deep:#04201E; --line:#1C4247; --trace:#1F5A5E; --r:18px; --max:1260px;
  --fh:'Orbitron',system-ui,sans-serif; --fb:'Rubik',system-ui,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:400 1rem/1.65 var(--fb);overflow-x:hidden;
  background-image:linear-gradient(rgba(25,195,177,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(25,195,177,.04) 1px,transparent 1px);background-size:40px 40px}
img{max-width:100%;display:block}
a{color:var(--primary)}
h1,h2,h3,h4{font-family:var(--fh);font-weight:700;line-height:1.15;margin:0 0 .55em;letter-spacing:.01em}
h1{font-size:clamp(2rem,4.6vw,3.8rem)}
h2{font-size:clamp(1.5rem,3vw,2.3rem)}
h3{font-size:1.08rem;letter-spacing:.03em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:56px;background:var(--accent);color:var(--deep);padding:10px 16px;border-radius:10px;z-index:200;font-weight:600}
.skip:focus{left:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--fh);letter-spacing:.12em;text-transform:uppercase;font-size:.72rem}

/* floating pill header */
.hd{position:sticky;top:0;z-index:60;padding:12px 16px;transition:padding .3s}
.hd.is-small{padding:6px 16px}
.hd-in{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:16px;background:rgba(14,42,46,.86);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 18px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:700 1.1rem var(--fh);letter-spacing:.08em}
.brand svg{width:34px;height:34px}
.nav{display:flex;gap:2px;margin:0 auto}
.nav a{color:var(--muted);text-decoration:none;padding:9px 14px;border-radius:999px;font-weight:500;font-size:.95rem;white-space:nowrap}
.nav a:hover{color:var(--ink);background:rgba(25,195,177,.08)}
.nav a[aria-current=page]{color:var(--deep);background:var(--primary)}
.hd-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--deep);text-decoration:none;font-weight:600;padding:0 18px;min-height:42px;border-radius:999px;white-space:nowrap}
.hd-cta svg{width:18px;height:18px}
.menu-btn{display:none;margin-left:auto;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--primary);background:transparent;color:var(--ink);font:500 1rem var(--fb);cursor:pointer}
@media (max-width:1060px){.nav,.hd-cta{display:none}.menu-btn{display:inline-flex;align-items:center}}
.mnav{position:fixed;inset:0;z-index:100;background:var(--ground);padding:120px 24px 40px;overflow:auto;display:flex;flex-direction:column;gap:4px;
  background-image:linear-gradient(135deg,transparent 0 60%,rgba(25,195,177,.08) 60% 61%,transparent 61%),linear-gradient(rgba(25,195,177,.05) 1px,transparent 1px);background-size:100% 100%,100% 32px}
.mnav a{color:var(--ink);text-decoration:none;font:700 1.4rem var(--fh);padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}
.mnav a::after{content:"\2192";color:var(--primary)}
.mnav a[aria-current=page]{color:var(--primary)}
.mnav .close{position:absolute;top:62px;right:20px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--primary);background:transparent;color:var(--ink);font:500 1rem var(--fb);cursor:pointer}
body.locked{overflow:hidden}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:12px;font:600 1rem var(--fb);text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(25,195,177,.25)}
.btn svg{width:20px;height:20px;flex:none}
.btn-p{background:var(--primary);color:var(--deep)}
.btn-a{background:var(--accent);color:var(--deep)}
.btn-o{border-color:var(--line);color:var(--ink);background:rgba(14,42,46,.6)}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* map hero */
.maphero{padding:26px 0 70px}
.mh-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:stretch}
@media (max-width:1000px){.mh-grid{grid-template-columns:minmax(0,1fr)}}
.mh-head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:18px}
.mh-head h1{margin:0;max-width:16ch}
.mh-head p{max-width:42ch;color:var(--muted);margin:0}
.board{position:relative;background:radial-gradient(circle at 30% 30%,#0F3236,#081F22 70%);border:1px solid var(--line);border-radius:28px;overflow:hidden}
.board svg{display:block;width:100%;height:auto}
.board .legend{position:absolute;left:16px;bottom:14px;display:flex;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--muted)}
.board .legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:middle}
.trace{fill:none;stroke:var(--trace);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.signal{fill:none;stroke:var(--primary);stroke-width:3;stroke-linecap:round;stroke-dasharray:6 60;animation:sig 4s linear infinite}
.signal.s2{animation-duration:5.5s;stroke:var(--accent)}
.signal.s3{animation-duration:6.5s}
@keyframes sig{to{stroke-dashoffset:-264}}
.chip rect.body{fill:#0B2629;stroke:#2B6A6E;stroke-width:1.5;transition:fill .25s,stroke .25s}
.chip .pin{fill:#2B6A6E}
.chip text{fill:var(--ink);font-family:var(--fh);font-size:13px;letter-spacing:1.5px}
.chip text.s{fill:var(--muted);font-family:var(--fb);font-size:11px;letter-spacing:0}
.chip{cursor:pointer}
.chip:hover rect.body,.chip:focus rect.body{fill:#123A3E;stroke:var(--primary)}
.chip.on rect.body{fill:#0F4A48;stroke:var(--primary);stroke-width:2.5}
.chip:focus{outline:none}
.chip:focus-visible rect.body{stroke:var(--accent);stroke-width:3}
.hq .ring{fill:none;stroke:var(--accent);stroke-width:2;transform-box:fill-box;transform-origin:center;animation:ping 2.4s ease-out infinite}
@keyframes ping{0%{transform:scale(.6);opacity:1}100%{transform:scale(2.2);opacity:0}}
.station{cursor:pointer}
.station circle.pad{fill:var(--ground);stroke:var(--accent);stroke-width:2.5}
.station text{fill:var(--accent);font-family:var(--fh);font-size:11.5px;letter-spacing:1.5px}
.station:hover circle.pad,.station:focus-visible circle.pad{fill:var(--accent)}
@media (prefers-reduced-motion:reduce){.signal,.hq .ring{animation:none}.signal{stroke-dasharray:none;opacity:.35}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:22px;display:flex;flex-direction:column;gap:14px}
.panel h2{font-size:1.2rem;margin:0}
.panel label{font-weight:500;font-size:.92rem;color:var(--muted)}
.panel select,.qform select{width:100%;font:400 1rem var(--fb);padding:12px 14px;border-radius:12px;border:1px solid #2B6A6E;background:var(--ground);color:var(--ink);min-height:48px}
.dinfo{background:var(--ground);border:1px solid var(--line);border-radius:18px;padding:16px}
.dinfo h3{color:var(--primary);margin:0 0 8px;font-size:1rem}
.dinfo dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 14px;margin:0;font-size:.95rem}
.dinfo dt{color:var(--muted)}
.dinfo dd{margin:0;font-weight:500;text-align:right}
.stations{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.stations a{display:flex;align-items:center;justify-content:space-between;gap:10px;text-decoration:none;color:var(--ink);padding:10px 12px;border-radius:12px;border:1px solid var(--line);font-weight:500;min-height:44px}
.stations a:hover{border-color:var(--accent)}
.stations a span{font-family:var(--fh);font-size:.72rem;letter-spacing:.12em;color:var(--accent)}

/* sections */
.sec{padding:80px 0;position:relative}
.sec.panelbg{background:var(--surface);border-block:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;gap:8px;font:700 .7rem var(--fh);letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:14px}
.tag::before{content:"";width:8px;height:8px;background:var(--primary);border-radius:2px;box-shadow:0 0 12px var(--primary)}
.intro{max-width:62ch;color:var(--muted);font-size:1.08rem}
.ex{font-size:.86rem;color:var(--muted)}
.mt{margin-top:28px}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:900px){.grid2,.grid3{grid-template-columns:minmax(0,1fr);gap:24px}.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.grid4{grid-template-columns:minmax(0,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:22px;width:40px;height:3px;background:var(--primary);border-radius:0 0 3px 3px}
.card h3{margin:0 0 .5em}
.card p:last-child{margin-bottom:0}
.card .from{font:700 1.3rem var(--fh);color:var(--accent)}
.ph{margin:0;background:linear-gradient(135deg,#123A3E,#0A2427);border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--line);position:relative}
.ph img{width:100%;height:100%;object-fit:cover}
.ph.wide{aspect-ratio:16/9}.ph.sq{aspect-ratio:1/1}.ph.tall{aspect-ratio:4/5}
.ph::after{content:"";position:absolute;inset:10px;border:1px solid rgba(25,195,177,.25);border-radius:12px;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) top left/22px 22px no-repeat,linear-gradient(#000 0 0) top right/22px 22px no-repeat,linear-gradient(#000 0 0) bottom left/22px 22px no-repeat,linear-gradient(#000 0 0) bottom right/22px 22px no-repeat;
  mask:linear-gradient(#000 0 0) top left/22px 22px no-repeat,linear-gradient(#000 0 0) top right/22px 22px no-repeat,linear-gradient(#000 0 0) bottom left/22px 22px no-repeat,linear-gradient(#000 0 0) bottom right/22px 22px no-repeat}

/* timeline */
.tl{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative}
.tl::before{content:"";position:absolute;left:0;right:0;top:22px;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.tl li{position:relative;padding:58px 14px 0 0}
.tl li::before{content:attr(data-n);position:absolute;top:6px;left:0;width:34px;height:34px;border-radius:8px;background:var(--ground);border:2px solid var(--primary);display:grid;place-items:center;font:700 .8rem var(--fh);color:var(--primary)}
.tl p{color:var(--muted);margin:0;font-size:.95rem}
@media (max-width:900px){.tl{grid-template-columns:minmax(0,1fr)}.tl::before{left:16px;right:auto;top:0;bottom:0;width:2px;height:auto}.tl li{padding:0 0 26px 56px}.tl li::before{top:0}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stats div{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:rgba(14,42,46,.6)}
.stats b{display:block;font:700 clamp(1.6rem,3vw,2.4rem)/1 var(--fh);color:var(--primary);margin-bottom:6px}
.stats span{color:var(--muted);font-size:.92rem}
@media (max-width:800px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.q{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;margin:0}
.q blockquote{margin:0 0 12px}
.q cite{font-style:normal;color:var(--accent);font-weight:500;font-size:.92rem}
.q .st{color:var(--accent);letter-spacing:2px;font-size:.9rem;margin-bottom:6px}
@media (max-width:900px){.quotes{grid-template-columns:minmax(0,1fr)}}

/* checker */
.ck{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:980px){.ck{grid-template-columns:minmax(0,1fr)}}
.ck-in{background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:24px}
.tabs{display:flex;gap:6px;background:var(--ground);border:1px solid var(--line);border-radius:14px;padding:5px;margin-bottom:18px}
.tabs button{flex:1;min-height:44px;border:0;border-radius:10px;background:transparent;color:var(--muted);font:600 .95rem var(--fb);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}
.tabs button svg{width:20px;height:20px}
.tabs button[aria-selected=true]{background:var(--primary);color:var(--deep)}
.qform{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;margin-bottom:18px}
.qform label{display:block;font-size:.9rem;color:var(--muted);margin-bottom:6px;font-weight:500}
@media (max-width:600px){.qform{grid-template-columns:minmax(0,1fr)}}
.grade{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.grade label{flex:1;min-width:150px;display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;background:var(--ground)}
.grade input{accent-color:var(--primary);width:20px;height:20px;margin-top:2px}
.grade b{display:block}
.grade small{color:var(--muted)}
.grade label:has(input:checked){border-color:var(--primary);background:#0C3236}
.rlist{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rlist li label{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:12px 14px;cursor:pointer;background:var(--ground);transition:border-color .2s}
.rlist li label:hover{border-color:#2B6A6E}
.rlist li label:has(input:checked){border-color:var(--primary);background:#0C3236}
.rlist input{width:20px;height:20px;accent-color:var(--primary)}
.rlist b{display:block}
.rlist small{color:var(--muted)}
.rlist .p{font:700 1rem var(--fh);color:var(--accent);white-space:nowrap}
.quote{position:sticky;top:90px;background:linear-gradient(160deg,#0F3438,#0A2427);border:1px solid #2B6A6E;border-radius:26px;padding:24px;overflow:hidden}
@media (max-width:980px){.quote{position:relative;top:auto}}
.quote::after{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border:1px dashed rgba(25,195,177,.35);border-radius:50%}
.quote h3{font-size:1rem;color:var(--muted);margin:0}
.quote .dev{font:700 1.35rem var(--fh);margin:6px 0 4px}
.quote .fit{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.qlines{list-style:none;margin:0 0 12px;padding:0}
.qlines li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.qlines .empty{color:var(--muted)}
.qopt{display:flex;align-items:center;gap:10px;min-height:44px}
.qopt input{width:20px;height:20px;accent-color:var(--accent)}
.qopt span:last-child{margin-left:auto;font-weight:500}
.qtot{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--primary);margin-top:8px;padding-top:12px}
.qtot b{font:700 2.1rem var(--fh);color:var(--primary)}
.meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0}
.meta div{background:var(--ground);border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}
.meta b{display:block;font:700 .95rem var(--fh);color:var(--ink)}
.meta span{font-size:.78rem;color:var(--muted)}
.quote .btn{width:100%;margin-top:8px}
.screen{height:6px;border-radius:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform-origin:0 50%;animation:scan 1.6s ease-out}
@keyframes scan{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (prefers-reduced-motion:reduce){.screen{animation:none}}

/* tables */
.tbox{overflow-x:auto;position:relative;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:560px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}
th{font:700 .7rem var(--fh);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
td.p{color:var(--accent);font-weight:600;white-space:nowrap}

/* faq */
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;min-height:44px}
summary::after{content:"+";font:700 1.2rem var(--fh);color:var(--primary)}
details[open] summary::after{content:"\2212"}
details p{color:var(--muted)}

/* forms */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
@media (max-width:700px){.form .row{grid-template-columns:minmax(0,1fr)}}
.form label{display:block;font-weight:500;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:400 1rem var(--fb);padding:12px 14px;border-radius:12px;border:1px solid #2B6A6E;background:var(--ground);color:var(--ink);min-height:48px}
.form textarea{min-height:110px}
.form [aria-invalid=true]{border-color:#FF8A7A}
.err{color:#FF9C8F;font-size:.88rem;margin-top:4px;display:block}
.thanks{background:var(--surface);border:1px solid var(--primary);border-radius:var(--r);padding:26px;scroll-margin-top:110px}
.thanks h3{color:var(--primary)}

/* page head */
.phead{padding:50px 0 30px}
.phead .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:30px;align-items:end}
.phead p{color:var(--muted);font-size:1.1rem;max-width:56ch}
.phead .crumb{font:700 .7rem var(--fh);letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.phead .crumb a{color:var(--primary)}
.chipart{width:100%;max-width:300px;justify-self:end}
@media (max-width:800px){.phead .wrap{grid-template-columns:minmax(0,1fr)}.chipart{display:none}}

/* band */
.band{background:linear-gradient(120deg,#0F4A48,#0E2A2E);border:1px solid #2B6A6E;border-radius:28px;padding:40px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}
.band h2{margin:0 0 .3em}.band p{margin:0;color:var(--muted)}
@media (max-width:800px){.band{grid-template-columns:minmax(0,1fr);padding:28px}}

/* reveal */
.js .rv{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:translateY(0px)}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}}

/* footer */
.ft{border-top:1px solid var(--line);padding:60px 0 110px;background:#051416}
.ft a{color:var(--ink)}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.ft h4{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--primary)}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{padding:4px 0;color:var(--muted)}
.ft .base{margin-top:40px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.86rem;color:var(--muted)}
@media (max-width:900px){.ft-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media (max-width:560px){.ft-grid{grid-template-columns:minmax(0,1fr)}}
.wa{position:fixed;right:18px;bottom:18px;z-index:50;display:inline-flex;align-items:center;gap:10px;background:#1F8F55;color:#fff;text-decoration:none;font-weight:600;padding:0 20px 0 14px;min-height:54px;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.wa svg{width:24px;height:24px}
@media (max-width:600px){.wa span{display:none}.wa{padding:0 15px}}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.86rem;margin:0 6px 8px 0;color:var(--ink);text-decoration:none;background:var(--surface)}
.grades{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:800px){.grades{grid-template-columns:minmax(0,1fr)}}
.chk{list-style:none;padding:0;margin:0}
.chk li{padding:8px 0 8px 28px;position:relative;border-bottom:1px solid var(--line)}
.chk li::before{content:"";position:absolute;left:0;top:15px;width:12px;height:12px;border:2px solid var(--primary);border-radius:3px;background:rgba(25,195,177,.2)}
.board-scroll{overflow-x:auto;scrollbar-width:thin}
.board .legend{position:static;padding:4px 18px 16px}
.swipe{display:none}
@media (max-width:800px){.swipe{display:inline;color:var(--accent)}}