/* ===========================================================
   Blue Light Technology — Design System
   Display: Space Grotesk | Body: Inter | Utility: JetBrains Mono
   =========================================================== */

/* Font loading moved to <link rel="preconnect"> + <link rel="stylesheet">
   in each page's <head> for faster, non-blocking font loading. */

:root{
  --ink:#0B2545;
  --circuit:#1565C0;
  --circuit-dark:#0E3A66;
  --signal:#29B6F6;
  --signal-soft:#7FDBFF;
  --slate:#5C7089;
  --slate-soft:#8A9BB0;
  --fog:#F5F8FC;
  --white:#FFFFFF;
  --line:#DCE6F2;
  --shadow: 0 20px 50px -25px rgba(11,37,69,0.35);
  --radius:14px;
  --max:1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--fog);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  color:var(--ink);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; color:var(--slate); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.mono{
  font-family:'JetBrains Mono',monospace;
  letter-spacing:.06em;
}

.wrap{ max-width:var(--max); margin:0 auto; padding:0 32px; }

/* Focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- Eyebrow / pane label ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:500;
  color:var(--circuit);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow .pane-mark{
  width:14px;height:14px;
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-template-rows:1fr 1fr;
  gap:2px;
  flex:none;
}
.eyebrow .pane-mark span{ background:var(--circuit); border-radius:1px; }
.eyebrow .pane-mark span:nth-child(1){ background:var(--signal); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--circuit),var(--circuit-dark));
  color:#fff;
  box-shadow:0 12px 30px -12px rgba(21,101,192,.65);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 34px -12px rgba(21,101,192,.75); }
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{ border-color:var(--circuit); color:var(--circuit); }
.btn-block{ width:100%; justify-content:center; }

/* ---------- Header / Nav ---------- */
header.site{
  position:sticky; top:0; z-index:100;
  background:rgba(245,248,252,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height:38px; width:auto; }
.brand .name{ display:none; }
.navlinks{
  display:flex;
  align-items:center;
  gap:6px;
}
.navlinks > li{ position:relative; }
.navlinks a{
  display:block;
  padding:10px 16px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink);
  border-radius:999px;
  transition:background .15s ease, color .15s ease;
}
.navlinks a:hover{ background:var(--white); color:var(--circuit); }
.navlinks a.active{ color:var(--circuit); background:var(--white); box-shadow:var(--shadow); }

.has-dropdown > .dd-trigger::after{
  content:'';
  display:inline-block;
  width:6px;height:6px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg);
  margin-left:6px;
  position:relative; top:-2px;
}
.dropdown{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:250px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow);
  padding:8px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown{
  opacity:1; visibility:visible; transform:translateY(0);
}
.dropdown.mega{
  min-width:560px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 8px;
  padding:16px;
}
.dropdown.mega .dd-col{ display:flex; flex-direction:column; }
.dropdown.mega .dd-group-label{
  font-size:11px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--slate-soft);
  padding:6px 12px 4px;
}
.dropdown.mega .dd-actions{
  grid-column:1/-1;
  display:flex;
  gap:8px;
  margin-top:10px;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.dropdown.mega .dd-actions a{
  flex:1;
  text-align:center;
  background:var(--fog);
  font-weight:600;
  color:var(--circuit);
}
.dropdown.mega .dd-actions a:hover{ background:#E8F1FC; }
.dropdown a{ border-radius:8px; padding:10px 12px; font-size:14px; }
.dropdown a small{ display:block; color:var(--slate-soft); font-weight:400; font-size:12px; margin-top:2px; }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width:40px; height:40px;
  align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; display:block; width:20px; height:2px; background:var(--ink);
  position:relative; transition:.2s;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

/* ---------- Hero ---------- */
.hero{
  padding:72px 0 88px;
  overflow:hidden;
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);
  max-width:14ch;
}
.hero .lede{
  font-size:17px;
  max-width:46ch;
}
.hero-actions{
  display:flex;
  gap:14px;
  margin-top:28px;
  flex-wrap:wrap;
}
.hero-stats{
  display:flex;
  gap:28px;
  margin-top:44px;
  flex-wrap:wrap;
}
.hero-stats div{ min-width:110px; }
.hero-stats .num{
  font-family:'JetBrains Mono',monospace;
  font-size:22px;
  color:var(--circuit);
  font-weight:500;
}
.hero-stats .lbl{
  font-size:12.5px;
  color:var(--slate-soft);
  text-transform:uppercase;
  letter-spacing:.05em;
}

/* Signature pane-grid graphic */
.pane-graphic{
  position:relative;
  aspect-ratio:1/1;
  max-width:420px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-template-rows:1fr 1fr;
  gap:14px;
  border-radius:28px;
  padding:14px;
  background:#fff;
  box-shadow:var(--shadow);
}
.pane-graphic .p{
  border-radius:16px;
  background:linear-gradient(145deg,#EAF3FC,#DCEBFA);
  position:relative;
  overflow:hidden;
}
.pane-graphic .p .glow{
  position:absolute; inset:0;
  background:radial-gradient(circle at 50% 50%, var(--signal-soft), var(--signal) 40%, var(--circuit) 100%);
  opacity:0;
  transform:scale(.4);
  transition:opacity .5s ease, transform .5s ease;
}
.pane-graphic .p.on .glow{ opacity:1; transform:scale(1); }
.pane-graphic .p.on{ background:linear-gradient(145deg,var(--circuit),var(--circuit-dark)); }
.pane-graphic .status{
  position:absolute;
  bottom:-38px; left:50%;
  transform:translateX(-50%);
  font-size:11.5px;
  color:var(--slate-soft);
  white-space:nowrap;
}
@media (prefers-reduced-motion: reduce){
  .pane-graphic .p .glow{ transition:none; }
}

/* ---------- Sections ---------- */
section{ padding:88px 0; }
.section-head{
  max-width:640px;
  margin-bottom:52px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-alt{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* Service pane grid (4 quadrants echoing the mark) */
.service-panes{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2px;
  background:var(--line);
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.pane-card{
  background:#fff;
  padding:38px;
  transition:background .2s ease;
  display:flex;
  flex-direction:column;
  min-height:230px;
}
.pane-card:hover{ background:var(--fog); }
.pane-card .icon{
  width:44px;height:44px;
  border-radius:11px;
  background:linear-gradient(145deg,var(--signal),var(--circuit));
  margin-bottom:18px;
  flex:none;
}
.pane-card h3{ font-size:20px; margin-bottom:8px; }
.pane-card p{ font-size:14.5px; flex:1; }
.pane-card .go{
  font-size:13.5px;
  font-weight:600;
  color:var(--circuit);
  margin-top:12px;
}

/* Generic card grid */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
}
.card h3{ font-size:18px; }
.card p{ font-size:14.5px; margin-bottom:0; }

/* Steps (real sequences only) */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  padding-top:44px;
}
.step::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
  color:var(--signal);
  background:var(--ink);
  width:34px;height:34px;
  border-radius:9px;
  display:flex; align-items:center; justify-content:center;
  position:absolute; top:0; left:0;
}
.step h4{ font-size:16px; }
.step p{ font-size:14px; }

/* Split / feature rows */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.split.reverse .visual{ order:2; }
.checklist li{
  display:flex;
  gap:12px;
  padding:10px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink);
}
.checklist li:last-child{ border-bottom:none; }
.checklist li::before{
  content:'';
  flex:none;
  width:18px;height:18px;
  margin-top:2px;
  border-radius:5px;
  background:linear-gradient(145deg,var(--signal),var(--circuit));
}
.visual-frame{
  background:linear-gradient(160deg,#fff,var(--fog));
  border:1px solid var(--line);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow);
}
.visual-frame .pane-mini{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
}
.visual-frame .pane-mini div{
  aspect-ratio:1.4/1;
  border-radius:10px;
  background:linear-gradient(145deg,var(--circuit-dark),var(--circuit));
}
.visual-frame .pane-mini div:nth-child(2){ background:linear-gradient(145deg,var(--signal),var(--circuit)); }

/* Stat strip */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2px;
  background:var(--line);
  border-radius:16px;
  overflow:hidden;
}
.stat-strip div{
  background:var(--ink);
  color:#fff;
  padding:30px 26px;
}
.stat-strip .num{
  font-family:'JetBrains Mono',monospace;
  font-size:28px;
  color:var(--signal-soft);
}
.stat-strip .lbl{
  font-size:12.5px;
  color:#B9C6DA;
  text-transform:uppercase;
  letter-spacing:.05em;
  margin-top:4px;
}

/* Pricing / plan cards */
.plans{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.plan{
  background:#fff; border:1px solid var(--line); border-radius:16px; padding:32px;
  display:flex; flex-direction:column;
}
.plan.featured{
  border-color:var(--circuit);
  box-shadow:var(--shadow);
  position:relative;
}
.plan.featured::before{
  content:'Most popular';
  position:absolute; top:-13px; left:32px;
  background:var(--circuit); color:#fff;
  font-size:11.5px; font-weight:600;
  padding:5px 12px; border-radius:999px;
}
.plan h3{ font-size:19px; }
.plan .price{ font-family:'Space Grotesk',sans-serif; font-size:26px; margin:6px 0 18px; line-height:1.2; }
.plan .price span{ font-size:14px; color:var(--slate); font-family:'Inter',sans-serif; }
.plan ul{ margin:18px 0 26px; flex:1; }
.plan li{ font-size:14px; padding:7px 0; color:var(--ink); }

/* Quote / testimonial */
.quote-block{
  background:linear-gradient(135deg,var(--ink),var(--circuit-dark));
  color:#fff;
  border-radius:24px;
  padding:56px;
  position:relative;
  overflow:hidden;
}
.quote-block::after{
  content:'';
  position:absolute; right:-60px; top:-60px;
  width:220px;height:220px;
  background:radial-gradient(circle,var(--signal),transparent 70%);
  opacity:.5;
}
.quote-block p{ color:#E8F1FC; font-size:19px; max-width:60ch; position:relative; }
.quote-block .who{ color:#B9C6DA; font-size:14px; }

/* CTA banner */
.cta-banner{
  background:linear-gradient(135deg,var(--circuit),var(--ink));
  border-radius:24px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  color:#fff;
}
.cta-banner h2{ color:#fff; margin-bottom:8px; }
.cta-banner p{ color:#CFE0F5; margin:0; }
.cta-banner .btn-ghost{ border-color:rgba(255,255,255,.4); color:#fff; }
.cta-banner .btn-ghost:hover{ border-color:#fff; }

/* Contact form */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.field.full{ grid-column:1/-1; }
.field label{ font-size:13px; font-weight:600; color:var(--ink); }
.field input, .field select, .field textarea{
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  padding:12px 14px;
  font-family:'Inter',sans-serif;
  font-size:14.5px;
  color:var(--ink);
}
.field textarea{ resize:vertical; min-height:120px; }
.contact-cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:40px; }

/* Footer */
footer.site{
  background:var(--ink);
  color:#B9C6DA;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
footer.site .brand img{ height:34px; margin-bottom:14px; filter:brightness(0) invert(1); }
footer.site p{ color:#8FA3BE; font-size:14px; max-width:32ch; }
footer.site h5{
  color:#fff; font-size:13px; text-transform:uppercase; letter-spacing:.06em;
  margin-bottom:16px;
}
footer.site a{ color:#B9C6DA; font-size:14.5px; }
footer.site li{ margin-bottom:10px; }
footer.site a:hover{ color:var(--signal-soft); }
.foot-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:22px; font-size:13px; color:#7488A2; flex-wrap:wrap; gap:10px;
}

/* Page header (for interior pages) */
.page-hero{
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  font-size:13px; color:var(--slate-soft); margin-bottom:18px;
}
.breadcrumb a:hover{ color:var(--circuit); }
.page-hero h1{ font-size:clamp(30px,4vw,44px); max-width:18ch; }
.page-hero .lede{ max-width:60ch; font-size:16.5px; }

/* Product photo gallery */
.product-gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.product-gallery figure{
  margin:0;
  border-radius:16px;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.product-gallery img{
  width:100%;
  height:210px;
  object-fit:cover;
  display:block;
}
.product-gallery figcaption{
  padding:14px 18px;
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  font-size:15px;
  color:var(--ink);
}
.product-gallery.cols-2{ grid-template-columns:repeat(2,1fr); }

/* Star rating (feedback form) */
.star-rating{
  display:flex;
  flex-direction:row-reverse;
  justify-content:flex-end;
  gap:4px;
}
.star-rating input{ position:absolute; opacity:0; width:0; height:0; }
.star-rating label{
  font-size:30px;
  line-height:1;
  color:#DCE6F2;
  cursor:pointer;
  transition:color .15s ease;
}
.star-rating label::before{ content:'★'; }
.star-rating input:checked ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label{ color:var(--signal); }

/* Customer portal: auth tabs */
.auth-tabs{ display:flex; gap:4px; background:var(--fog); border-radius:999px; padding:4px; margin-bottom:28px; }
.auth-tabs button{
  flex:1; padding:10px; border:none; background:none; border-radius:999px;
  font-weight:600; font-size:14px; color:var(--slate); cursor:pointer; transition:.15s;
}
.auth-tabs button.active{ background:#fff; color:var(--circuit); box-shadow:var(--shadow); }
.auth-form{ display:none; }
.auth-form.active{ display:block; }

/* Ticket list */
.ticket-item{
  border:1px solid var(--line); border-radius:14px; padding:20px 22px;
  margin-bottom:14px; background:#fff;
}
.ticket-item .ticket-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap; }
.ticket-item h4{ font-size:16px; margin-bottom:4px; }
.ticket-item .meta{ font-size:12.5px; color:var(--slate-soft); font-family:'JetBrains Mono',monospace; }
.ticket-item p{ font-size:14px; margin:10px 0 0; }
.status-badge{
  font-size:11.5px; font-weight:600; text-transform:uppercase; letter-spacing:.04em;
  padding:5px 12px; border-radius:999px; white-space:nowrap;
}
.status-open{ background:#E8F1FC; color:var(--circuit); }
.status-in-progress{ background:#FFF3D6; color:#8A6100; }
.status-waiting-on-client{ background:#F0E8FC; color:#6B21A8; }
.status-resolved{ background:#DDF5E4; color:#1B7A3D; }
.status-closed{ background:#EDEFF2; color:var(--slate); }
.urgency-critical{ color:#B3261E; font-weight:600; }
.urgency-high{ color:#C2660A; font-weight:600; }

/* Admin panel */
.filter-bar{
  display:flex; gap:14px; align-items:flex-end; flex-wrap:wrap;
  margin-bottom:24px; padding:18px 20px; background:#fff;
  border:1px solid var(--line); border-radius:14px;
}
.filter-bar .field{ margin-bottom:0; min-width:180px; }
.ticket-item .client-line{
  font-size:13px; color:var(--circuit); font-weight:600; margin-bottom:2px;
}
.ticket-edit{
  display:flex; gap:10px; align-items:flex-end; flex-wrap:wrap;
  margin-top:14px; padding-top:14px; border-top:1px solid var(--line);
}
.ticket-edit .field{ margin-bottom:0; flex:1; min-width:160px; }
.ticket-edit textarea{ min-height:60px; }
.access-denied{ text-align:center; padding:60px 20px; }

.portal-subnav{
  display:flex; gap:8px; flex-wrap:wrap; margin-top:20px;
}
.portal-subnav a{
  padding:9px 18px; border-radius:999px; font-size:14px; font-weight:600;
  background:var(--fog); color:var(--ink); border:1px solid var(--line);
}
.portal-subnav a.active{ background:var(--circuit); color:#fff; border-color:var(--circuit); }
.portal-subnav a:hover:not(.active){ border-color:var(--circuit); color:var(--circuit); }

/* Utility */
.tag-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:10px; }
.tag{
  font-size:12px; font-family:'JetBrains Mono',monospace;
  color:var(--circuit); background:#E8F1FC;
  padding:5px 10px; border-radius:999px;
}

/* ================= Responsive ================= */
@media (max-width: 980px){
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-image{ order:-1; max-width:280px; }
  .grid-3, .plans, .steps, .stat-strip, .contact-cards{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .split{ grid-template-columns:1fr; gap:36px; }
  .split.reverse .visual{ order:0; }
}
@media (max-width: 760px){
  .wrap{ padding:0 20px; }
  .nav-toggle{ display:flex; }
  .navlinks{
    position:absolute; top:100%; left:0; right:0;
    background:#fff; flex-direction:column; align-items:stretch;
    padding:10px; border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
    display:none;
  }
  .navlinks.open{ display:flex; }
  .dropdown{ position:static; box-shadow:none; opacity:1; visibility:visible; transform:none; display:none; border:none; padding-left:14px;}
  .dropdown.mega{ min-width:0; grid-template-columns:1fr; padding:8px 0 8px 14px; }
  .dropdown.mega .dd-actions{ flex-direction:column; }
  .has-dropdown.open .dropdown{ display:block; }
  .nav-cta .btn-ghost{ display:none; }
  .grid-3, .grid-2, .plans, .steps, .stat-strip, .contact-cards, .service-panes, .form-grid, .product-gallery{ grid-template-columns:1fr; }
  .cta-banner, .quote-block{ padding:36px 24px; }
  section{ padding:60px 0; }
}
