/* ==========================================================================
   EFU STRYTON (PTY) LTD — Brand stylesheet
   Palette: signal #5cb6f9 · navy #12229d · paper #f4f6fc · black · white
   Type:    Archivo (display, expanded) · IBM Plex Sans (body) · IBM Plex Mono (data)
   ========================================================================== */

:root{
  --black:#000000;
  --ink:#05070f;
  --ink-2:#0a0e1c;
  --navy:#12229d;
  --navy-deep:#0a1266;
  --signal:#5cb6f9;
  --paper:#f4f6fc;
  --white:#ffffff;

  --line-dark:rgba(255,255,255,.14);
  --line-light:rgba(18,34,157,.18);
  --muted-dark:rgba(255,255,255,.62);
  --muted-light:#5a6488;

  --shell:min(1320px, 100% - 3rem);
  --gap:clamp(1rem, 2vw, 1.75rem);
  --sec-y:clamp(4.5rem, 9vw, 8.5rem);

  --f-display:"Archivo", "Arial Black", system-ui, sans-serif;
  --f-body:"IBM Plex Sans", system-ui, -apple-system, Segoe UI, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease:cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--black);
  color:var(--white);
  font-family:var(--f-body);
  font-size:clamp(1rem,.97rem + .18vw,1.075rem);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
::selection{background:var(--signal);color:var(--black)}

/* ---------- Typography ------------------------------------------------- */
h1,h2,h3,h4{
  font-family:var(--f-display);
  font-variation-settings:"wdth" 112;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:-.015em;
  line-height:.94;
  margin:0 0 .6em;
}
h1{font-size:clamp(2.6rem,7.4vw,6.1rem);font-variation-settings:"wdth" 118}
h2{font-size:clamp(2rem,4.4vw,3.7rem)}
h3{font-size:clamp(1.15rem,1.7vw,1.5rem);letter-spacing:0;font-variation-settings:"wdth" 105;font-weight:700}
h4{font-size:1rem;font-variation-settings:"wdth" 100;letter-spacing:.02em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong{font-weight:600;color:var(--white)}

.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--signal);
  display:flex;align-items:center;gap:.75rem;
  margin:0 0 1.4rem;
}
.eyebrow::before{content:"";width:2.2rem;height:2px;background:var(--signal);flex:none}
.lede{font-size:clamp(1.05rem,1.4vw,1.28rem);line-height:1.55;color:var(--muted-dark);max-width:56ch}
.blue{color:var(--signal)}
.tagline-italic{font-family:var(--f-display);font-style:italic;font-weight:800;font-variation-settings:"wdth" 112;text-transform:uppercase}

/* ---------- Layout ----------------------------------------------------- */
.shell{width:var(--shell);margin-inline:auto}
.section{padding-block:var(--sec-y);position:relative}
.section--paper{background:var(--paper);color:var(--ink)}
.section--navy{background:var(--navy-deep);background-image:linear-gradient(150deg,var(--navy) 0%,#070c3a 68%,var(--black) 100%)}
.section--hair{border-top:1px solid var(--line-dark)}
.section--paper h1,.section--paper h2,.section--paper h3,.section--paper h4{color:var(--navy)}
.section--paper .lede{color:var(--muted-light)}
.section--paper .eyebrow{color:var(--navy)}
.section--paper .eyebrow::before{background:var(--navy)}
.section--paper strong{color:var(--navy)}

.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.grid{display:grid;gap:var(--gap)}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:960px){
  .split{grid-template-columns:1fr}
  .g-3,.g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
}

/* ---------- Buttons ---------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.7rem;
  font-family:var(--f-mono);font-size:.78rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  padding:1.05rem 1.6rem;border:1px solid transparent;
  background:var(--signal);color:var(--black);
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
  cursor:pointer;
}
.btn:hover{background:var(--white);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn--ghost{background:transparent;color:var(--white);border-color:var(--line-dark)}
.btn--ghost:hover{background:var(--white);color:var(--black);border-color:var(--white)}
.btn--navy{background:var(--navy);color:var(--white)}
.btn--navy:hover{background:var(--black);color:var(--white)}
.btn-row{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2rem}

/* ---------- Header ----------------------------------------------------- */
.hdr{
  position:fixed;inset:0 0 auto;z-index:80;
  background:rgba(0,0,0,.55);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
  transition:background .3s var(--ease);
}
.hdr.is-stuck{background:rgba(0,0,0,.94)}
.hdr__in{width:var(--shell);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;height:76px}
.brand{display:flex;align-items:center;gap:.85rem;flex:none}
.brand img{height:34px;width:auto;object-fit:contain}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:var(--f-display);font-weight:800;font-variation-settings:"wdth" 116;font-size:1.02rem;letter-spacing:.01em;text-transform:uppercase}
.brand__sub{font-family:var(--f-mono);font-size:.56rem;letter-spacing:.2em;color:var(--signal);margin-top:.32rem;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:clamp(.8rem,1.5vw,1.6rem)}
.nav a{
  font-family:var(--f-mono);font-size:.71rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-dark);padding:.4rem 0;position:relative;transition:color .2s
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--white)}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-.15rem;height:2px;background:var(--signal)}
.hdr .btn{padding:.85rem 1.15rem;font-size:.7rem}
.nav > .btn{display:none}
.burger{display:none;background:none;border:1px solid var(--line-dark);color:#fff;width:46px;height:46px;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:#fff;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;transition:transform .25s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

@media(max-width:1080px){
  .burger{display:flex}
  .hdr .btn--head{display:none}
  .nav{
    position:fixed;inset:76px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--black);border-bottom:1px solid var(--line-dark);
    padding:1rem 1.5rem 2rem;transform:translateY(-120%);transition:transform .35s var(--ease);
    max-height:calc(100vh - 76px);overflow:auto;
  }
  .nav.is-open{transform:translateY(0)}
  .nav a{padding:1rem 0;border-bottom:1px solid var(--line-dark);font-size:.8rem}
  .nav > .btn{display:inline-flex;margin-top:1.2rem;justify-content:center}
}

/* ---------- Hero ------------------------------------------------------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:var(--black)}
.hero__poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45;transition:opacity 1.4s var(--ease)}
body.has-webgl .hero__poster{opacity:0}
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero__wash{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 55% at 78% 30%, rgba(92,182,249,.16), transparent 70%),
    linear-gradient(180deg, rgba(0,0,0,.86) 0%, rgba(0,0,0,.25) 42%, rgba(0,0,0,.92) 100%);
}
.hero__in{position:relative;z-index:2;width:var(--shell);margin-inline:auto;padding:9rem 0 0}
.hero h1{margin-bottom:1.2rem;text-shadow:0 6px 40px rgba(0,0,0,.6)}
.hero h1 .ln{display:block}
.hero .lede{max-width:48ch}
.hero__foot{
  position:relative;z-index:2;margin-top:clamp(2.5rem,6vw,4.5rem);
  border-top:1px solid var(--line-dark);
}
.hero__stats{width:var(--shell);margin-inline:auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:1px;background:var(--line-dark)}
.hero__stats div{background:var(--black);padding:1.3rem 1.2rem}
.hero__stats dt{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--signal);margin-bottom:.45rem}
.hero__stats dd{margin:0;font-family:var(--f-display);font-weight:700;font-variation-settings:"wdth" 108;text-transform:uppercase;font-size:.95rem;line-height:1.2}
@media(max-width:820px){
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__in{padding-top:7rem}
}

/* B-BBEE / credential badge */
.badge{
  display:inline-flex;align-items:center;gap:.65rem;flex-wrap:wrap;
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-dark);border:1px solid var(--signal);padding:.6rem .95rem;margin:0;
}
.badge::before{content:"";width:.5rem;height:.5rem;background:var(--signal);transform:rotate(45deg);flex:none}
.badge span{color:var(--signal);font-weight:600}
.section--paper .badge{border-color:var(--navy);color:var(--muted-light)}
.section--paper .badge::before{background:var(--navy)}
.section--paper .badge span{color:var(--navy)}

/* ---------- Route ticker ----------------------------------------------- */
.ticker{background:var(--signal);color:var(--black);overflow:hidden;border-block:1px solid var(--black)}
.ticker__track{display:flex;width:max-content;animation:slide 38s linear infinite}
.ticker span{
  font-family:var(--f-mono);font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  padding:.85rem 1.4rem;white-space:nowrap;display:inline-flex;align-items:center;gap:.9rem
}
.ticker span::after{content:"";width:5px;height:5px;background:var(--black);transform:rotate(45deg)}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker:hover .ticker__track{animation-play-state:paused}

/* ---------- Cards / load tickets --------------------------------------- */
.card{
  background:var(--ink-2);border:1px solid var(--line-dark);
  padding:clamp(1.5rem,2.4vw,2.1rem);position:relative;
  transition:border-color .3s var(--ease),transform .3s var(--ease),background .3s var(--ease);
  height:100%;
}
.card:hover{border-color:var(--signal);transform:translateY(-4px);background:#0b1224}
.card__no{
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;color:var(--signal);
  display:flex;justify-content:space-between;align-items:center;
  padding-bottom:.9rem;margin-bottom:1.3rem;border-bottom:1px solid var(--line-dark);
}
.card p{color:var(--muted-dark);font-size:.96rem}
.card--paper{background:var(--white);border-color:var(--line-light)}
.card--paper p{color:var(--muted-light)}
.card--paper .card__no{color:var(--navy);border-color:var(--line-light)}
.card--paper:hover{border-color:var(--navy);background:var(--white)}

/* process steps */
.steps{counter-reset:step;display:grid;gap:0;border-top:1px solid var(--line-dark)}
.step{
  display:grid;grid-template-columns:5.5rem minmax(0,1fr) minmax(0,1.15fr);gap:1.5rem;
  padding:1.65rem 0;border-bottom:1px solid var(--line-dark);align-items:baseline;
  transition:padding-left .3s var(--ease),background .3s var(--ease)
}
.step:hover{padding-left:1rem;background:linear-gradient(90deg,rgba(92,182,249,.09),transparent 60%)}
.step__no{font-family:var(--f-mono);font-size:.85rem;color:var(--signal);letter-spacing:.1em}
.step h3{margin:0}
.step p{margin:0;color:var(--muted-dark);font-size:.95rem}
@media(max-width:820px){
  .step{grid-template-columns:3.5rem minmax(0,1fr);gap:.6rem 1rem}
  .step p{grid-column:2}
}

/* spec / data list */
.specs{border-top:1px solid var(--line-dark);margin:0}
.spec{display:flex;justify-content:space-between;gap:1.5rem;padding:.95rem 0;border-bottom:1px solid var(--line-dark)}
.spec dt{font-family:var(--f-mono);font-size:.73rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark)}
.spec dd{margin:0;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;color:var(--white);text-align:right}
.section--paper .specs{border-color:var(--line-light)}
.section--paper .spec{border-color:var(--line-light)}
.section--paper .spec dt{color:var(--muted-light)}
.section--paper .spec dd{color:var(--navy)}

/* checklist */
.checks{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.checks li{position:relative;padding-left:1.9rem;font-size:.97rem;color:var(--muted-dark)}
.checks li::before{
  content:"";position:absolute;left:0;top:.55em;width:.65rem;height:.65rem;
  background:var(--signal);transform:rotate(45deg)
}
.section--paper .checks li{color:var(--muted-light)}
.section--paper .checks li::before{background:var(--navy)}
.checks--2{grid-template-columns:1fr 1fr;gap:.7rem 1.5rem}
@media(max-width:640px){.checks--2{grid-template-columns:1fr}}
.hero__stats a:hover{color:var(--signal)}

/* pill row */
.pills{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.6rem}
.pill{
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line-dark);padding:.5rem .85rem;color:var(--muted-dark)
}
.section--paper .pill{border-color:var(--line-light);color:var(--navy)}

/* media block */
.media{position:relative;border:1px solid var(--line-dark);overflow:hidden;background:var(--ink)}
.media img{width:100%;transition:transform .8s var(--ease)}
.media:hover img{transform:scale(1.03)}
.media__tag{
  position:absolute;left:0;bottom:0;background:var(--signal);color:var(--black);
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;padding:.6rem 1rem
}

/* rig viewer */
.rig{position:relative;border:1px solid var(--line-dark);background:linear-gradient(180deg,#04060f,#000);aspect-ratio:16/10;overflow:hidden}
#rig-canvas{width:100%;height:100%;display:block;cursor:grab}
#rig-canvas:active{cursor:grabbing}
.rig__hint{
  position:absolute;right:1rem;bottom:1rem;font-family:var(--f-mono);font-size:.65rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark);pointer-events:none
}

/* page head */
.phead{padding:11rem 0 clamp(3rem,6vw,5rem);position:relative;background:var(--black);border-bottom:1px solid var(--line-dark);overflow:hidden}
.phead::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 120% at 88% 0%,rgba(18,34,157,.5),transparent 62%)
}
.phead .shell{position:relative;z-index:2}
.phead h1{font-size:clamp(2.3rem,5.6vw,4.6rem);margin-bottom:.5rem}
.crumb{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-dark);margin-bottom:1.8rem}
.crumb a:hover{color:var(--signal)}

/* CTA band */
.band{background:var(--signal);color:var(--black);padding:clamp(3rem,6vw,5rem) 0}
.band h2{color:var(--black);margin-bottom:.4rem}
.band p{color:rgba(0,0,0,.72);max-width:52ch}
.band .btn{background:var(--black);color:var(--white)}
.band .btn:hover{background:var(--navy);color:var(--white)}
.band__in{display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:space-between}

/* ---------- Forms ------------------------------------------------------ */
.form{display:grid;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.5rem}
.field label{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--signal)}
.section--paper .field label{color:var(--navy)}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:.98rem;color:var(--white);
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  padding:.9rem 1rem;transition:border-color .2s,background .2s;border-radius:0;
}
.section--paper .field input,.section--paper .field select,.section--paper .field textarea{
  background:var(--white);border-color:var(--line-light);color:var(--ink)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal);background:rgba(92,182,249,.06)}
.field textarea{min-height:150px;resize:vertical}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:620px){.form__row{grid-template-columns:1fr}}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__note{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;color:var(--muted-dark);line-height:1.7}
.section--paper .form__note{color:var(--muted-light)}

/* ---------- Contact cards ---------------------------------------------- */
.contact-list{display:grid;gap:0;border-top:1px solid var(--line-dark)}
.contact-list a,.contact-list div{
  display:flex;justify-content:space-between;gap:1.5rem;align-items:baseline;
  padding:1.2rem 0;border-bottom:1px solid var(--line-dark);transition:padding-left .25s var(--ease)
}
.contact-list a:hover{padding-left:.6rem;color:var(--signal)}
.contact-list b{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-dark);font-weight:400;flex:none}
.contact-list span{font-family:var(--f-display);font-weight:700;font-variation-settings:"wdth" 104;font-size:clamp(.95rem,1.4vw,1.15rem);text-align:right;text-transform:uppercase}

/* ---------- Footer ----------------------------------------------------- */
.ftr{background:var(--black);border-top:1px solid var(--line-dark);padding:clamp(3.5rem,6vw,5.5rem) 0 2rem}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem}
@media(max-width:900px){.ftr__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.ftr__grid{grid-template-columns:1fr}}
.ftr h4{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.2em;color:var(--signal);font-weight:500;margin-bottom:1.2rem;text-transform:uppercase}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}
.ftr a{color:var(--muted-dark);font-size:.92rem;transition:color .2s}
.ftr a:hover{color:var(--signal)}
.ftr__mark{display:flex;align-items:center;gap:.9rem;margin-bottom:1.3rem}
.ftr__mark img{height:44px;width:auto}
.ftr__tag{font-family:var(--f-display);font-style:italic;font-weight:800;font-variation-settings:"wdth" 112;text-transform:uppercase;font-size:1rem;letter-spacing:.01em;color:var(--white)}
.ftr__tag em{color:var(--signal);font-style:italic}
.ftr__base{
  margin-top:3.5rem;padding-top:1.5rem;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;
  font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-dark)
}

/* ---------- Reveal ----------------------------------------------------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv:nth-child(2){transition-delay:.07s}
.rv:nth-child(3){transition-delay:.14s}
.rv:nth-child(4){transition-delay:.21s}
.rv:nth-child(5){transition-delay:.28s}
.rv:nth-child(6){transition-delay:.35s}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .rv{opacity:1;transform:none}
  .ticker__track{animation:none}
}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;background:var(--signal);color:#000;padding:.8rem 1.2rem;z-index:200;font-family:var(--f-mono);font-size:.75rem}
.skip:focus{left:0}