/* =========================================================
   DSTV Installers Sandton — design tokens
   Theme: satellite signal / broadcast engineer's readout
   ========================================================= */

:root{
  --ink:#10192B;
  --ink-soft:#1B2740;
  --mist:#EEF1F2;
  --paper:#FFFFFF;
  --amber:#E8A33D;
  --amber-dark:#C77F1F;
  --green:#2FA88A;
  --slate:#5B6B7C;
  --slate-light:#8A97A6;
  --border:#DCE2E6;

  --font-display:'Barlow Condensed', Arial Narrow, sans-serif;
  --font-body:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --radius: 3px;
  --max: 1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--mist);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
.wrap{ max-width:var(--max); margin:0 auto; padding:0 24px; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.05;
  margin:0 0 .5em;
  text-transform:uppercase;
}
h1{ font-size:clamp(2.6rem,6vw,4.6rem); }
h2{ font-size:clamp(1.8rem,3.6vw,2.6rem); }
h3{ font-size:1.35rem; }
p{ margin:0 0 1em; color:var(--ink-soft); }
.lede{ font-size:1.15rem; color:var(--slate); max-width:60ch; }

.mono{ font-family:var(--font-mono); letter-spacing:.02em; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--slate);
}

/* ---------- signal bars signature element ---------- */
.signal{
  display:inline-flex;
  align-items:flex-end;
  gap:3px;
  height:16px;
}
.signal i{
  display:block;
  width:4px;
  background:var(--amber);
  border-radius:1px;
}
.signal i:nth-child(1){ height:35%; }
.signal i:nth-child(2){ height:55%; }
.signal i:nth-child(3){ height:75%; }
.signal i:nth-child(4){ height:100%; }
.signal.green i{ background:var(--green); }
.signal.dim i{ background:var(--slate-light); }

@keyframes signalPulse{
  0%,100%{ opacity:.45; }
  50%{ opacity:1; }
}
.card:hover .signal i,
.service-row:hover .signal i{ animation:signalPulse 1.1s ease-in-out infinite; }
.signal i:nth-child(2){ animation-delay:.1s; }
.signal i:nth-child(3){ animation-delay:.2s; }
.signal i:nth-child(4){ animation-delay:.3s; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .card:hover .signal i,.service-row:hover .signal i{ animation:none; }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono);
  font-size:.85rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:.85em 1.4em;
  border-radius:var(--radius);
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{ background:var(--amber); color:var(--ink); }
.btn-primary:hover{ background:var(--amber-dark); }
.btn-outline{ border-color:currentColor; color:var(--paper); }
.btn-outline:hover{ background:rgba(255,255,255,.08); }
.btn-dark{ border-color:var(--ink); color:var(--ink); }
.btn-dark:hover{ background:var(--ink); color:var(--paper); }

/* ---------- header ---------- */
header.site{
  background:var(--ink);
  color:var(--paper);
  position:sticky; top:0; z-index:40;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
  max-width:var(--max); margin:0 auto;
}
.brand{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.3rem;
  text-transform:uppercase;
  letter-spacing:.02em;
  text-decoration:none;
  color:var(--paper);
  display:flex; align-items:center; gap:10px;
}
.nav-links{
  display:flex; gap:28px; list-style:none; margin:0; padding:0;
  font-family:var(--font-mono); font-size:.82rem; letter-spacing:.04em; text-transform:uppercase;
}
.nav-links a{ text-decoration:none; opacity:.85; }
.nav-links a:hover{ opacity:1; color:var(--amber); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-phone{ font-family:var(--font-mono); font-size:.85rem; opacity:.9; text-decoration:none; }
.nav-toggle{ display:none; background:none; border:0; color:var(--paper); font-size:1.5rem; cursor:pointer; }

@media (max-width: 860px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--ink); flex-direction:column; gap:0;
    max-height:0; overflow:hidden; transition:max-height .25s ease;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .nav-links.open{ max-height:400px; }
  .nav-links li{ padding:14px 24px; border-bottom:1px solid rgba(255,255,255,.06); }
  .nav-toggle{ display:block; }
  .nav-phone{ display:none; }
}

/* ---------- hero (readout panel) ---------- */
.hero{
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(232,163,61,.16), transparent 60%),
    var(--ink);
  color:var(--paper);
  padding:72px 0 56px;
}
.hero-grid{
  display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:end;
}
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }
.hero .eyebrow{ color:var(--amber); margin-bottom:18px; }
.hero p.lede{ color:#C7CFDA; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }

.readout{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:22px 24px;
  font-family:var(--font-mono);
  font-size:.85rem;
  color:#CFD8E3;
}
.readout .row{ display:flex; justify-content:space-between; padding:9px 0; border-bottom:1px dashed rgba(255,255,255,.12); }
.readout .row:last-child{ border-bottom:0; }
.readout .label{ color:var(--slate-light); text-transform:uppercase; letter-spacing:.08em; font-size:.72rem; }
.readout .value{ color:var(--paper); }
.readout .value.ok{ color:var(--green); }

/* ---------- sections ---------- */
section{ padding:64px 0; }
section.tight{ padding:40px 0; }
.section-head{ max-width:640px; margin-bottom:36px; }
.on-dark{ background:var(--ink); color:var(--paper); }
.on-dark p{ color:#C7CFDA; }
.on-dark h2, .on-dark h3{ color:var(--paper); }
.on-paper{ background:var(--paper); }

/* ---------- grids / cards ---------- */
.grid{ display:grid; gap:22px; }
.grid.cols-3{ grid-template-columns:repeat(3,1fr); }
.grid.cols-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){ .grid.cols-3,.grid.cols-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid.cols-3,.grid.cols-4{ grid-template-columns:1fr; } }

.card{
  background:var(--paper);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
}
.card .signal{ margin-bottom:14px; }
.card h3{ margin-bottom:8px; }
.card p{ font-size:.95rem; margin-bottom:0; }

.service-row{
  display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:20px;
  padding:20px 0; border-bottom:1px solid var(--border);
}
.service-row:last-child{ border-bottom:0; }
.service-row h3{ margin:0 0 4px; }
.service-row p{ margin:0; font-size:.92rem; }
.service-row a.btn{ white-space:nowrap; }
@media (max-width:700px){
  .service-row{ grid-template-columns:1fr; text-align:left; }
}

/* ---------- areas served ---------- */
.area-card{
  background:var(--paper); border:1px solid var(--border); border-radius:var(--radius);
  padding:22px; font-family:var(--font-mono);
}
.area-card .coords{ color:var(--slate); font-size:.78rem; margin-bottom:10px; display:block; }
.area-card h3{ font-family:var(--font-display); }

/* ---------- FAQ ---------- */
.faq details{
  background:var(--paper); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px 20px; margin-bottom:12px;
}
.faq summary{
  cursor:pointer; font-weight:700; font-family:var(--font-display);
  text-transform:uppercase; letter-spacing:.02em; font-size:1.05rem;
  list-style:none;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:'+'; float:right; color:var(--amber); font-size:1.3rem; }
.faq details[open] summary::after{ content:'–'; }
.faq p{ margin-top:12px; margin-bottom:0; }

/* ---------- testimonials ---------- */
.quote{
  background:var(--paper); border-left:3px solid var(--amber); border-radius:0 var(--radius) var(--radius) 0;
  padding:20px 24px;
}
.quote p{ font-style:italic; }
.quote .who{ font-family:var(--font-mono); font-size:.8rem; color:var(--slate); font-style:normal; }

/* ---------- blog ---------- */
.post-card{ background:var(--paper); border:1px solid var(--border); border-radius:var(--radius); padding:26px; }
.post-meta{ font-family:var(--font-mono); font-size:.75rem; color:var(--slate); text-transform:uppercase; letter-spacing:.06em; margin-bottom:10px; }
article.post{ max-width:72ch; margin:0 auto; }
article.post h2{ margin-top:1.4em; text-transform:none; font-size:1.6rem; }
article.post p{ font-size:1.02rem; }
article.post ul{ color:var(--ink-soft); }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--amber);
  color:var(--ink);
}
.cta-band h2{ margin-bottom:.3em; }
.cta-flex{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer.site{ background:var(--ink); color:#C7CFDA; padding:48px 0 28px; font-size:.9rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; margin-bottom:32px; }
@media (max-width:800px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
footer.site h4{ color:var(--paper); font-size:.95rem; margin-bottom:14px; }
footer.site ul{ list-style:none; margin:0; padding:0; }
footer.site li{ margin-bottom:8px; }
footer.site a{ text-decoration:none; color:#C7CFDA; }
footer.site a:hover{ color:var(--amber); }
.foot-bottom{ border-top:1px solid rgba(255,255,255,.1); padding-top:20px; font-family:var(--font-mono); font-size:.78rem; color:var(--slate-light); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- breadcrumb ---------- */
.crumbs{ font-family:var(--font-mono); font-size:.78rem; color:var(--slate); padding:16px 0 0; }
.crumbs a{ text-decoration:none; color:var(--slate); }
.crumbs a:hover{ color:var(--amber-dark); }

/* ---------- utility ---------- */
.mt-0{ margin-top:0; }
.text-center{ text-align:center; margin-left:auto; margin-right:auto; }
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--amber); color:var(--ink);
  padding:10px 16px; z-index:100;
}
.skip-link:focus{ left:16px; top:16px; }
:focus-visible{ outline:3px solid var(--amber); outline-offset:2px; }