/* ============================================
   networks | etc — Design System (v2)
   ============================================ */

:root {
  /* Color */
  --red: #DD2018;
  --red-dark: #B81810;
  --ink: #0F0F10;
  --footer-ink: #171717;
  --bg: #FAFAFA;
  --bg-alt: #F1F1F2;
  --body: #4A4A4E;
  --hairline: #E2E2E4;
  --white: #FFFFFF;
  --green: #1BA672;

  /* Type */
  --font-display: "Roboto", "Arial Narrow", Arial, sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  --radius: 4px;
  --max-width: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--body);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}
:focus:not(:focus-visible) { outline: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
}
h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--space-2); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-dark);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--red-dark);
  display: inline-block;
}

.hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 4px 0;
}
.skip-link:focus { left: 0; }

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.2em;
}
.logo:hover { text-decoration: none; }
.logo .pipe { color: var(--red); font-weight: 400; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a[aria-current="page"] {
  color: var(--red);
  border-bottom: 2px solid var(--red);
  padding-bottom: 4px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header-phone {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--red);
  font-size: 1rem;
  white-space: nowrap;
}
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7em 1.4em;
  border-radius: var(--radius);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { background: var(--ink); color: var(--white); text-decoration: none; }
.btn-primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); color: var(--white); }

.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 0.5em 0.7em;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: 0.2s;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.mobile-menu {
  border-top: 1px solid var(--hairline);
  background: var(--white);
}
.mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: var(--space-2) var(--space-3) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-menu a {
  color: var(--ink);
  font-weight: 500;
  font-size: 1rem;
}
.mobile-menu a[aria-current="page"] { color: var(--red); }

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--white);
  padding: var(--space-6) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}
.hero h1 { color: var(--white); font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
.hero-sub {
  font-size: 1.15rem;
  color: #C9C9CC;
  max-width: 46ch;
  margin-bottom: var(--space-3);
}
.hero-ctas { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-4); }

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #2A2A2C;
  border: 1px solid #2A2A2C;
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
}
.status-item {
  background: #161617;
  padding: var(--space-2) var(--space-2);
}
.status-label {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8C8C90;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(27,166,114,0.6);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@media (prefers-reduced-motion: reduce) {
  .pulse-dot { animation: none; }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(27,166,114,0.5); }
  70% { box-shadow: 0 0 0 6px rgba(27,166,114,0); }
  100% { box-shadow: 0 0 0 0 rgba(27,166,114,0); }
}
.status-value {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
}

.hero-visual {
  background: #161617;
  border: 1px solid #2A2A2C;
  border-radius: 8px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Sections ---------- */
section { padding: var(--space-6) 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  max-width: 60ch;
  margin-bottom: var(--space-4);
}

/* Pillars grid — 3 columns (IT Services / Physical Security / Infrastructure & Low Voltage) */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.pillar-card {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.pillar-icon {
  width: 44px; height: 44px;
  background: var(--ink);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
  flex-shrink: 0;
}
.pillar-icon svg { width: 22px; height: 22px; stroke: var(--white); }
.pillar-head { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }
.pillar-card h3 { margin-bottom: 0; font-size: 1.05rem; }
.pillar-card ul {
  margin: 0.6em 0 0;
  padding-left: 1.1em;
  font-size: 0.92rem;
  color: var(--body);
}
.pillar-card li { margin-bottom: 0.3em; }

/* Trust bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--body);
}

/* CTA band */
.cta-band {
  background: var(--red);
  color: var(--white);
  text-align: center;
  padding: var(--space-5) 0;
}
.cta-band h2 { color: var(--white); }
.cta-band .btn { border-color: var(--white); color: var(--white); }
.cta-band .btn:hover { background: var(--white); color: var(--red); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--space-3); }
.form-field label {
  display: block;
  font-weight: 600;
  color: var(--ink);
  font-size: 0.9rem;
  margin-bottom: 0.4em;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75em 0.9em;
  border: 1.5px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}
.form-field input:focus-visible,
.form-field textarea:focus-visible,
.form-field select:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 1px;
  border-color: var(--red);
}
.form-hint { font-size: 0.82rem; color: #6E6E72; margin-top: 0.3em; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--footer-ink);
  color: #B8B8BA;
  padding: var(--space-6) 0 var(--space-3);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
}
.footer-grid h4, .footer-grid .footer-heading {
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 500;
  margin-bottom: var(--space-2);
  border-bottom: 2px solid var(--red);
  padding-bottom: 0.5em;
  display: inline-block;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.6em; }
.footer-grid a { color: #B8B8BA; }
.footer-grid a:hover { color: var(--white); }
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
}
.footer-logo .pipe { color: var(--red); font-weight: 400; }
.footer-bottom {
  border-top: 1px solid #2A2A2C;
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.82rem;
  color: #8C8C90;
}
.footer-bottom a { color: #8C8C90; }

/* ---------- Visually hidden ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .pillars { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.about-intro-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 640px) {
  .about-intro-grid { grid-template-columns: 1fr; }
  .about-intro-grid img { max-width: 160px; margin: 0 auto; }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; }
  .header-phone { display: none; }
  .header-right .btn-primary { display: none; }
  .logo { font-size: 1.15rem; }
  .mobile-menu li:last-child a {
    display: inline-block;
    margin-top: 0.5rem;
    font-weight: 700;
    color: var(--red);
  }
  .pillars { grid-template-columns: 1fr; }
  .status-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}