/* ============================================================
   BR ELEC — Design tokens
   Palette:
     --ink      #0B1B2B  deep navy-black (text, dark surfaces)
     --ink-soft #173252  secondary dark
     --paper    #FFFFFF  pure white
     --mist     #F4F7FA  soft blue-white surface
     --line     #E2E8F0  hairline borders
     --volt     #2F6FED  electric blue (primary accent — "live wire")
     --volt-soft #5C93FF
     --copper   #E8A33D  copper accent ("bare wire" warmth)
     --safe     #1E9E6B  conformity green
   Type:
     Display  — 'Space Grotesk' (technical, geometric)
     Body     — 'Inter'
     Mono/spec — 'JetBrains Mono' (norms, specs, labels)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
  --ink: #0B1B2B;
  --ink-soft: #173252;
  --paper: #FFFFFF;
  --mist: #F4F7FA;
  --line: #E2E8F0;
  --volt: #2F6FED;
  --volt-soft: #5C93FF;
  --copper: #E8A33D;
  --safe: #1E9E6B;
  --shadow: 0 20px 60px -20px rgba(11, 27, 43, 0.18);
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1, h2, h3, .display {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header ---------- */

header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand img { height: 46px; width: auto; }

nav.links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 15px;
  font-weight: 600;
}

nav.links a {
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.15s ease;
}
nav.links a:hover { color: var(--volt); }
nav.links a.current { color: var(--ink); }
nav.links a.current::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--copper);
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--volt);
  color: white;
  box-shadow: 0 10px 24px -8px rgba(47, 111, 237, 0.55);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 30px -8px rgba(47, 111, 237, 0.6); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--volt); color: var(--volt); }
.btn-dark {
  background: var(--ink);
  color: white;
}
.btn-dark:hover { transform: translateY(-1px); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 88px 0 64px;
  background:
    radial-gradient(600px 300px at 85% -10%, rgba(47,111,237,0.10), transparent 60%),
    var(--paper);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--volt);
  background: #EEF3FF;
  border: 1px solid #DCE7FF;
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--safe);
  box-shadow: 0 0 0 3px rgba(30,158,107,0.18);
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  color: var(--ink);
}
.hero h1 .accent { color: var(--volt); }

.hero p.lead {
  margin-top: 20px;
  font-size: 18px;
  color: #45566B;
  max-width: 46ch;
}

.hero-cta {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-facts {
  margin-top: 40px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-facts .fact {
  font-family: 'JetBrains Mono', monospace;
}
.hero-facts .fact b {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  color: var(--ink);
}
.hero-facts .fact span {
  font-size: 11.5px;
  color: #7A8A9C;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Signature element: the circuit trace ---------- */

.circuit {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--ink);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.circuit svg { width: 100%; height: 100%; }
.circuit .grid-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}
.circuit-caption {
  position: absolute;
  left: 24px; bottom: 22px; right: 24px;
  color: #B9C6D6;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
}
.circuit-caption b { color: white; }

.trace-line {
  fill: none;
  stroke: var(--volt);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 6 460;
  stroke-dashoffset: 0;
  animation: travel 5.5s ease-in-out infinite;
  filter: drop-shadow(0 0 6px rgba(47,111,237,0.9));
}
.trace-line.copper {
  stroke: var(--copper);
  animation-delay: 1.8s;
  filter: drop-shadow(0 0 6px rgba(232,163,61,0.9));
}
.trace-line.dim {
  stroke: #2A3E56;
  stroke-width: 1.5;
  stroke-dasharray: none;
  animation: none;
  filter: none;
}
@keyframes travel {
  0%   { stroke-dashoffset: 466; opacity: 0.2; }
  8%   { opacity: 1; }
  50%  { stroke-dashoffset: 0; opacity: 1; }
  60%  { opacity: 0.15; }
  100% { stroke-dashoffset: -466; opacity: 0.15; }
}
.node {
  fill: var(--paper);
}
.node.on { fill: var(--copper); }

@media (prefers-reduced-motion: reduce) {
  .trace-line { animation: none; stroke-dasharray: none; opacity: 0.9; }
}

/* ---------- Sections ---------- */

section { padding: 84px 0; }
section.tight { padding: 64px 0; }
section.on-mist { background: var(--mist); }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); }
.section-head p { margin-top: 14px; color: #45566B; font-size: 16.5px; }

/* Trust bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
}
.trust-item svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Cards grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  border-color: #C9DAFF;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.card .icon-badge {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: #EEF3FF;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card .icon-badge svg { width: 24px; height: 24px; stroke: var(--volt); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: #556478; font-size: 14.5px; margin: 0; }

.card-list {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-list li {
  font-size: 13.5px;
  color: #45566B;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.card-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--copper);
  margin-top: 7px;
  flex-shrink: 0;
}

/* Process steps */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process::before {
  content: '';
  position: absolute;
  top: 23px; left: 0; right: 0;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 14px);
}
.step {
  position: relative;
  padding-right: 20px;
}
.step .num {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  position: relative;
  z-index: 2;
  margin-bottom: 18px;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: #556478; margin: 0; }

/* CTA band */
.cta-band {
  background: var(--ink);
  border-radius: 28px;
  padding: 56px;
  position: relative;
  overflow: hidden;
  color: white;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(420px 220px at 90% 10%, rgba(47,111,237,0.35), transparent 60%);
}
.cta-band .inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: clamp(24px, 3vw, 32px); color: white; max-width: 480px; }
.cta-band p { color: #B9C6D6; margin-top: 10px; }
.cta-band .actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Zone map-ish */
.zone-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--mist);
}
.zone-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 18px;
}
.zone-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  padding: 7px 12px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
}

/* Contact page specifics */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-row {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.contact-row:last-child { border-bottom: none; }
.contact-row .icon-badge {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: #EEF3FF;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-row .icon-badge svg { width: 20px; height: 20px; stroke: var(--volt); }
.contact-row .label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: #7A8A9C; font-family: 'JetBrains Mono', monospace; }
.contact-row .value { font-size: 16px; font-weight: 600; margin-top: 2px; }
.contact-row .value.small { font-size: 14px; font-weight: 500; color: #45566B; }

form.quote {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
form.quote label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
  display: block;
}
form.quote input,
form.quote select,
form.quote textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-family: 'Inter', sans-serif;
  font-size: 14.5px;
  background: var(--mist);
  color: var(--ink);
}
form.quote input:focus,
form.quote select:focus,
form.quote textarea:focus {
  outline: 2px solid var(--volt);
  outline-offset: 1px;
  background: white;
}
form.quote textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Footer */
footer.site {
  background: var(--ink);
  color: #B9C6D6;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid #1E3350;
}
footer.site h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7A8A9C;
  margin-bottom: 16px;
}
footer.site ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
footer.site a:hover { color: white; }
footer.site p.tagline { color: #7A8A9C; font-size: 14px; margin-top: 14px; max-width: 34ch; }
.footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #7A8A9C;
}

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

/* Responsive */
@media (max-width: 900px) {
  nav.links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .circuit { order: -1; aspect-ratio: 16/9; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .process::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-3 { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 24px; }
  .cta-band .inner { flex-direction: column; align-items: flex-start; }
}