/* ============ HPN Electronics — design tokens (Alvna-family dark, amber accent) ============ */
:root{
  --amber: #E8930C;
  --amber-deep: #C2760C;
  --amber-bright: #FFB443;
  --amber-tint: rgba(232,147,12,0.14);
  --hpn-red: #ED1E24;
  --bg: #161B26;
  --bg-panel: #1D2432;
  --bg-panel-2: #232B3B;
  --bg-soft: #1A2130;
  --line: #313C52;
  --line-soft: #262E40;
  --text-primary: #F3F5FA;
  --text-muted: #AEB6CC;
  --text-dim: #7A8199;
  --container: 1180px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
.wrap{max-width:var(--container); margin:0 auto; padding:0 32px;}

/* Subtle grid texture, matching the Alvna site's tech feel */
.grid-texture{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(rgba(232,147,12,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,147,12,0.035) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 70%);
}

h1,h2,h3,h4{font-family:var(--font-display); font-weight:700; margin:0 0 0; color:var(--text-primary);}
h1{font-size:clamp(32px, 5vw, 54px); line-height:1.08;}
h2{font-size:clamp(24px, 3.2vw, 34px); line-height:1.15;}
h3{font-size:19px;}
p{color:var(--text-muted); margin:0;}
.lede{font-size:clamp(16px, 1.5vw, 18px); color:var(--text-muted); max-width:600px; line-height:1.65;}
.mono{font-family:var(--font-mono);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--amber);
  font-weight:600;
  margin-bottom:12px;
}
.eyebrow.red{color:var(--hpn-red);}

.mt-8{margin-top:8px;} .mt-16{margin-top:16px;} .mt-24{margin-top:24px;}
.mt-32{margin-top:32px;} .mt-48{margin-top:48px;} .mt-64{margin-top:64px;}

/* ---------- Header / nav ---------- */
header.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(22,27,38,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{display:flex; flex-direction:column; align-items:flex-start; gap:3px;}
.brand .logo-img{height:38px; width:auto; display:block; filter:brightness(1.15);}
.brand-tagline{
  font-family:var(--font-mono);
  font-size:8.5px;
  font-weight:600;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--text-dim);
  white-space:nowrap;
}

nav.primary-nav{display:flex; align-items:center; gap:34px;}
nav.primary-nav a{
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  transition:color .15s ease;
  position:relative;
}
nav.primary-nav a:hover, nav.primary-nav a:focus-visible{color:var(--text-primary);}
nav.primary-nav a.current{color:var(--text-primary);}
nav.primary-nav a.current::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-6px;
  height:2px;
  background:var(--amber);
  box-shadow:0 0 8px 1px rgba(232,147,12,0.6);
}
.nav-links{display:flex; align-items:center; gap:34px;}

.nav-cta{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.04em;
  font-weight:600;
  color:#1A1204;
  background:var(--amber);
  padding:10px 20px;
  border-radius:6px;
  white-space:nowrap;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.nav-cta:hover{ transform:translateY(-1px); background:var(--amber-bright); box-shadow:0 6px 20px rgba(232,147,12,0.35); }

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line);
  border-radius:6px;
  width:40px; height:40px;
  color:var(--text-primary);
  font-size:18px;
  cursor:pointer;
}

@media (max-width:860px){
  .brand-tagline{display:none;}
  .nav-links{
    position:fixed;
    top:64px; left:0; right:0;
    background:var(--bg-panel);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:8px 24px 20px;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
  }
  .nav-links.open{opacity:1; transform:translateY(0); pointer-events:auto;}
  .nav-links a{width:100%; padding:14px 0; border-bottom:1px solid var(--line-soft);}
  .nav-cta{margin-top:14px; text-align:center; display:block;}
  .nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.hero{padding:76px 0 56px;}
.btn-row{display:flex; gap:14px; flex-wrap:wrap;}
.hero-media{margin-top:48px; border-radius:16px; overflow:hidden; border:1px solid var(--line); box-shadow:0 24px 60px rgba(0,0,0,0.35);}
.hero-media img{width:100%;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.02em;
  padding:13px 22px;
  border-radius:7px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--amber); color:#1A1204;}
.btn-primary:hover{transform:translateY(-1px); background:var(--amber-bright); box-shadow:0 8px 26px rgba(232,147,12,0.35);}
.btn-ghost{border-color:var(--line); color:var(--text-primary); background:transparent;}
.btn-ghost:hover{border-color:var(--amber); color:var(--amber-bright);}

/* ---------- Sections ---------- */
.section{padding:64px 0;}
.section-tight{padding:40px 0;}
.section-head{max-width:640px; margin-bottom:40px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}

.bg-soft{background:var(--bg-soft);}

/* ---------- Grids / cards ---------- */
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
.grid-3{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.grid-4{display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;}
@media (max-width:860px){
  .grid-2, .grid-3, .grid-4{grid-template-columns:1fr;}
}

.card{
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:28px;
  transition:box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.card:hover{box-shadow:0 16px 40px rgba(0,0,0,0.3); transform:translateY(-2px); border-color:#455066;}
.card .tag{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--amber);
  background:var(--amber-tint);
  padding:4px 10px;
  border-radius:5px;
  margin-bottom:14px;
  font-weight:600;
}
.card .tag.red{color:var(--hpn-red); background:rgba(237,30,36,0.12);}
.card h3{margin-bottom:8px;}
.card p{font-size:14px;}

/* Service card with photo */
.service-card{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  background:var(--bg-panel);
  transition:box-shadow .18s ease, transform .18s ease;
}
.service-card:hover{box-shadow:0 20px 48px rgba(0,0,0,0.35); transform:translateY(-3px);}
.service-card .photo{aspect-ratio:16/10; overflow:hidden; background:var(--bg-soft);}
.service-card .photo img{width:100%; height:100%; object-fit:cover;}
.service-card .body{padding:26px;}
.service-card .rank{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:0.08em;
  color:#1A1204;
  background:var(--amber);
  padding:3px 10px;
  border-radius:20px;
  display:inline-block;
  margin-bottom:12px;
}
.service-card.primary .rank{background:var(--amber-bright);}
.service-card ul{margin:14px 0 0; padding-left:18px; color:var(--text-muted); font-size:14px;}
.service-card ul li{margin-bottom:6px;}

/* Supporting services (compact) */
.mini-service{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line-soft);
}
.mini-service:last-child{border-bottom:none;}
.mini-service .icon-dot{
  width:8px; height:8px;
  background:var(--amber);
  box-shadow:0 0 8px 1px rgba(232,147,12,0.55);
  border-radius:50%;
  margin-top:8px;
  flex:0 0 auto;
}
.mini-service h4{font-family:var(--font-display); font-size:16px; margin-bottom:4px; color:var(--text-primary);}
.mini-service p{font-size:13.5px;}

/* Photo grid (galleries) */
.photo-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:16px;}
.photo-grid.two{grid-template-columns:repeat(2, 1fr);}
.photo-grid img{
  width:100%; height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--line);
}
@media (max-width:760px){
  .photo-grid{grid-template-columns:repeat(2, 1fr);}
}

/* Photo divider (full width banner) */
.photo-divider{position:relative; margin:8px 0;}
.photo-divider img{width:100%; height:420px; object-fit:cover;}
.photo-divider .overlay{
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(13,16,24,0.86) 0%, rgba(13,16,24,0.48) 55%, rgba(13,16,24,0.12) 100%);
  display:flex; align-items:center;
}
.photo-divider .content{max-width:480px; padding:0 16px;}
.photo-divider .content .eyebrow{color:var(--amber-bright);}
.photo-divider h2, .photo-divider p{color:#fff;}
.photo-divider p{color:rgba(255,255,255,0.82);}
@media (max-width:760px){
  .photo-divider img{height:320px;}
}

/* Stat / badge row */
.badge-row{display:flex; gap:14px; flex-wrap:wrap; align-items:center;}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono);
  font-size:12px; font-weight:600; letter-spacing:0.04em;
  color:var(--amber-bright);
  background:var(--amber-tint);
  padding:8px 14px;
  border-radius:20px;
  border:1px solid rgba(232,147,12,0.25);
}
.badge .dot{width:6px; height:6px; border-radius:50%; background:var(--amber); box-shadow:0 0 6px 1px rgba(232,147,12,0.7);}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg, var(--bg-panel-2) 0%, var(--bg-panel) 100%);
  border:1px solid var(--line);
  border-radius:18px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  color:var(--text-primary);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute; top:-40%; right:-10%;
  width:320px; height:320px;
  background:radial-gradient(circle, rgba(232,147,12,0.22) 0%, transparent 70%);
  pointer-events:none;
}
.cta-band h2{color:var(--text-primary); margin-bottom:6px;}
.cta-band p{color:var(--text-muted);}

/* Values / mission list */
.value-list{list-style:none; margin:0; padding:0;}
.value-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid var(--line-soft);
}
.value-list li:last-child{border-bottom:none;}
.value-list .check{
  width:22px; height:22px; border-radius:50%;
  background:var(--amber-tint);
  color:var(--amber);
  display:flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:700; flex:0 0 auto; margin-top:1px;
}

/* Scroll reveal */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none; transition:none;}
}

/* ---------- Contact form ---------- */
.form-field{margin-bottom:20px;}
.form-field label{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  color:var(--text-dim);
  text-transform:uppercase;
  margin-bottom:8px;
  font-weight:600;
}
.form-field input, .form-field textarea, .form-field select{
  width:100%;
  background:var(--bg-panel-2);
  border:1px solid var(--line);
  border-radius:7px;
  padding:12px 14px;
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:14.5px;
  transition:border-color .15s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  outline:none; border-color:var(--amber);
}
.form-field textarea{resize:vertical; min-height:120px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
@media (max-width:600px){.form-row{grid-template-columns:1fr;}}

.contact-info-item{
  display:flex; align-items:flex-start; gap:14px;
  padding:16px 0; border-bottom:1px solid var(--line-soft);
}
.contact-info-item:last-child{border-bottom:none;}
.contact-info-item .ico{width:8px; height:8px; margin-top:7px; background:var(--amber); box-shadow:0 0 6px 1px rgba(232,147,12,0.6); transform:rotate(45deg); flex:0 0 auto;}
.contact-info-item .label{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.06em;
  color:var(--text-dim); text-transform:uppercase; margin-bottom:4px; font-weight:600;
}
.contact-info-item .value{font-size:15px; color:var(--text-primary);}

.map-frame{border-radius:14px; overflow:hidden; border:1px solid var(--line); aspect-ratio:16/10;}
.map-frame iframe{width:100%; height:100%; border:0;}

/* ---------- Footer ---------- */
footer.site-footer{border-top:1px solid var(--line); padding:52px 0 36px; margin-top:40px; background:var(--bg-soft);}
.footer-grid{display:flex; justify-content:space-between; flex-wrap:wrap; gap:36px; margin-bottom:36px;}
.footer-col h4{
  font-family:var(--font-mono); font-size:11px; letter-spacing:0.08em;
  color:var(--text-dim); text-transform:uppercase; margin-bottom:14px; font-weight:600;
}
.footer-col a, .footer-col p{display:block; font-size:14px; color:var(--text-muted); margin-bottom:9px;}
.footer-col a:hover{color:var(--amber);}
.footer-nav-links{display:flex; flex-wrap:wrap; gap:9px 20px;}
.footer-nav-links a{display:inline-block; margin-bottom:0;}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:22px; border-top:1px solid var(--line);
  font-family:var(--font-mono); font-size:11px; color:var(--text-dim);
}

/* ---------- Utility ---------- */
.center{text-align:center; margin-left:auto; margin-right:auto;}