/* HJ product-classification pages
   Shared by CCTV, parking, access and alarm selection guides. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--hj-text);
  background: var(--hj-navy-900);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--hj-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}
.pc-container { width: min(calc(100% - 40px), var(--hj-max)); margin: 0 auto; }
.pc-section { padding: 64px 0; border-top: 1px solid var(--hj-line); }
.pc-section--alt { background: linear-gradient(180deg, rgba(15, 20, 36, .86), rgba(10, 14, 26, .96)); }
.pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--hj-cyan);
  font: 700 .74rem/1.2 'JetBrains Mono', monospace;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.pc-eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--hj-cyan); }
.pc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 24px;
  color: var(--hj-dim);
  font-size: .8rem;
}
.pc-breadcrumb a:hover { color: var(--hj-cyan); }
.pc-hero {
  position: relative;
  overflow: hidden;
  padding: 58px 0 52px;
  background:
    radial-gradient(circle at 88% 18%, rgba(0, 212, 255, .14), transparent 30%),
    linear-gradient(155deg, #080d18, #0f1424 58%, #0a0e1a);
}
.pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .35;
  background-image:
    linear-gradient(rgba(0, 212, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, .045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(90deg, transparent, #000 60%);
}
.pc-hero-grid { position: relative; z-index: 1; display: grid; gap: 28px; }
.pc-hero h1 {
  max-width: 940px;
  margin: 0;
  color: var(--hj-white);
  font: 700 clamp(2.15rem, 6.6vw, 4.35rem)/1.01 'Space Grotesk', sans-serif;
  letter-spacing: -.035em;
}
.pc-hero h1 span { color: var(--hj-cyan); }
.pc-lead { max-width: 74ch; margin: 20px 0 0; color: var(--hj-muted); font-size: clamp(1rem, 2vw, 1.13rem); }
.pc-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 26px; }
.pc-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 19px;
  border: 1px solid var(--hj-line);
  border-radius: 10px;
  color: var(--hj-text);
  background: rgba(255, 255, 255, .025);
  font-weight: 800;
  font-size: .87rem;
}
.pc-button:hover { border-color: var(--hj-cyan-line); background: var(--hj-cyan-soft); }
.pc-button--primary { color: #06111c; border-color: var(--hj-cyan); background: var(--hj-cyan); }
.pc-button--primary:hover { background: #58e3ff; }
.pc-button--external::after { content: "↗"; }
.pc-boundary {
  padding: 22px;
  border: 1px solid var(--hj-cyan-line);
  border-radius: var(--hj-radius-lg);
  background: linear-gradient(145deg, rgba(0, 212, 255, .10), rgba(255, 255, 255, .02));
}
.pc-boundary h2 { margin: 0; color: var(--hj-white); font: 700 1.05rem/1.3 'Space Grotesk', sans-serif; }
.pc-boundary p { margin: 9px 0 0; color: var(--hj-muted); font-size: .88rem; }
.pc-boundary strong { color: var(--hj-cyan); }
.pc-jumps {
  position: sticky;
  z-index: 20;
  top: var(--hj-header-height);
  border-block: 1px solid var(--hj-line);
  background: rgba(8, 13, 24, .96);
  backdrop-filter: blur(14px);
}
.pc-jump-list { display: flex; gap: 8px; overflow-x: auto; padding: 11px 0; scrollbar-width: thin; }
.pc-jump-list a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  flex: none;
  padding: 0 13px;
  color: var(--hj-muted);
  border: 1px solid var(--hj-line);
  border-radius: 9px;
  font-size: .8rem;
  font-weight: 800;
}
.pc-jump-list a:hover { color: var(--hj-white); border-color: var(--hj-cyan-line); }
.pc-section-head { max-width: 820px; margin-bottom: 30px; }
.pc-section-head h2 {
  margin: 0;
  color: var(--hj-white);
  font: 700 clamp(1.75rem, 4vw, 2.75rem)/1.08 'Space Grotesk', sans-serif;
  letter-spacing: -.02em;
}
.pc-section-head p { margin: 13px 0 0; color: var(--hj-muted); }
.pc-solution-concept {
  position: relative;
  overflow: visible;
  margin: 0 0 clamp(28px, 4vw, 44px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.pc-solution-concept-picture {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  padding: clamp(4px, 1.8vw, 22px) clamp(0px, 1vw, 12px) clamp(14px, 2vw, 26px);
  background: transparent;
}
.pc-solution-concept-picture::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 16% 10% 13%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(46, 190, 255, .13), rgba(16, 91, 149, .055) 46%, transparent 73%);
  filter: blur(22px);
  pointer-events: none;
}
.pc-solution-concept-picture img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 1120px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
  filter:
    drop-shadow(0 24px 26px rgba(0, 4, 14, .42))
    drop-shadow(0 8px 18px rgba(0, 84, 132, .22));
  transition: transform .35s ease, filter .35s ease;
}
@media (hover: hover) and (pointer: fine) {
  .pc-solution-concept:hover .pc-solution-concept-picture img {
    transform: translateY(-4px) scale(1.006);
    filter:
      drop-shadow(0 28px 30px rgba(0, 4, 14, .46))
      drop-shadow(0 10px 22px rgba(0, 123, 181, .27));
  }
}
.pc-solution-concept figcaption {
  max-width: 78ch;
  margin: 0 auto;
  padding: 15px 0 0;
  color: var(--hj-muted);
  border-top: 1px solid var(--hj-cyan-line);
  background: transparent;
  font-size: .84rem;
  line-height: 1.6;
}
.pc-solution-concept figcaption strong { color: var(--hj-white); }
@media (prefers-reduced-motion: reduce) {
  .pc-solution-concept-picture img { transition: none; }
}
.pc-installation-route-grid { display: grid; gap: 13px; }
.pc-installation-route {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--hj-line);
  border-radius: var(--hj-radius-lg);
  background: rgba(255, 255, 255, .022);
}
.pc-installation-route h3 {
  margin: 13px 0 0;
  color: var(--hj-white);
  font: 700 1.12rem/1.28 'Space Grotesk', sans-serif;
}
.pc-installation-route > p:not(.pc-installation-route-path) { margin: 10px 0 0; color: var(--hj-muted); font-size: .87rem; }
.pc-installation-route-path { display: grid; gap: 6px; margin: 0; }
.pc-installation-route-path > span:first-child {
  color: var(--hj-dim);
  font: 700 .65rem/1.2 'JetBrains Mono', monospace;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.pc-installation-route-path strong { color: var(--hj-cyan); font-size: .8rem; line-height: 1.5; }
.pc-installation-route-path strong span { padding-inline: 3px; color: var(--hj-dim); }
.pc-installation-route-condition {
  padding: 10px 12px;
  border-left: 2px solid var(--hj-cyan);
  background: var(--hj-cyan-soft);
}
.pc-installation-route-condition strong { color: var(--hj-white); }
.pc-installation-route-actions { display: flex; flex-wrap: wrap; gap: 9px 16px; margin-top: 17px; }
.pc-installation-route-actions a { min-height: 44px; display: inline-flex; align-items: center; color: var(--hj-cyan); font-size: .8rem; font-weight: 800; }
.pc-installation-route-actions a:hover { color: var(--hj-white); }
.pc-grid { display: grid; gap: 13px; }
.pc-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--hj-line);
  border-radius: var(--hj-radius-lg);
  background: rgba(255, 255, 255, .022);
  scroll-margin-top: calc(var(--hj-header-height) + 82px);
}
.pc-card:target { border-color: var(--hj-cyan); box-shadow: 0 0 0 3px rgba(0, 212, 255, .08); }
.pc-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.pc-card h3 { margin: 0; color: var(--hj-white); font: 700 1.15rem/1.25 'Space Grotesk', sans-serif; }
.pc-tag {
  flex: none;
  padding: 5px 8px;
  color: var(--hj-cyan);
  border: 1px solid var(--hj-cyan-line);
  border-radius: 999px;
  font: 700 .64rem/1 'JetBrains Mono', monospace;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.pc-card > p { margin: 11px 0 0; color: var(--hj-muted); font-size: .9rem; }
.pc-facts { display: grid; gap: 8px; margin: 17px 0 0; }
.pc-facts div { padding-top: 9px; border-top: 1px solid var(--hj-line-soft); }
.pc-facts dt { color: var(--hj-dim); font-size: .68rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.pc-facts dd { margin: 3px 0 0; color: var(--hj-text); font-size: .82rem; }
.pc-card-links { display: flex; flex-wrap: wrap; gap: 8px 13px; margin-top: 17px; }
.pc-card-links a { color: var(--hj-cyan); font-size: .8rem; font-weight: 800; }
.pc-card-links a:hover { color: var(--hj-white); }
.pc-note {
  margin-top: 18px;
  padding: 18px 20px;
  color: var(--hj-muted);
  border-left: 2px solid var(--hj-cyan);
  background: rgba(0, 212, 255, .055);
  font-size: .88rem;
}
.pc-note strong { color: var(--hj-white); }
.pc-comparison-wrap { overflow-x: auto; border: 1px solid var(--hj-line); border-radius: var(--hj-radius-lg); }
.pc-comparison { width: 100%; min-width: 760px; border-collapse: collapse; }
.pc-comparison th, .pc-comparison td { padding: 15px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--hj-line); }
.pc-comparison tr:last-child td { border-bottom: 0; }
.pc-comparison th { color: var(--hj-dim); background: rgba(255, 255, 255, .025); font-size: .7rem; letter-spacing: .07em; text-transform: uppercase; }
.pc-comparison td { color: var(--hj-muted); font-size: .84rem; }
.pc-comparison td:first-child { color: var(--hj-white); font-weight: 800; }
.pc-proof-grid { display: grid; gap: 12px; }
.pc-proof-card { padding: 21px; border: 1px solid var(--hj-line); border-radius: var(--hj-radius-lg); background: rgba(255, 255, 255, .02); }
.pc-proof-card h3 { margin: 0; color: var(--hj-white); font: 700 1.05rem/1.25 'Space Grotesk', sans-serif; }
.pc-proof-card p { margin: 9px 0 0; color: var(--hj-muted); font-size: .86rem; }
.pc-proof-card a { display: inline-flex; margin-top: 13px; color: var(--hj-cyan); font-size: .8rem; font-weight: 800; }
.pc-role-grid { display: grid; gap: 13px; }
.pc-role { padding: 24px; border: 1px solid var(--hj-line); border-radius: var(--hj-radius-lg); background: rgba(255, 255, 255, .02); }
.pc-role h3 { margin: 0; color: var(--hj-white); font: 700 1.2rem/1.25 'Space Grotesk', sans-serif; }
.pc-role h3 span { color: var(--hj-cyan); }
.pc-role ul { display: grid; gap: 7px; margin: 15px 0 0; padding: 0; color: var(--hj-muted); list-style: none; font-size: .87rem; }
.pc-role li::before { content: "✓"; margin-right: 9px; color: var(--hj-cyan); }
.pc-faq { display: grid; gap: 9px; }
.pc-faq details { border: 1px solid var(--hj-line); border-radius: 12px; background: rgba(255, 255, 255, .018); }
.pc-faq summary { padding: 17px 19px; color: var(--hj-white); font-weight: 800; cursor: pointer; }
.pc-faq p { margin: 0; padding: 0 19px 18px; color: var(--hj-muted); font-size: .88rem; }
.pc-source-note { margin-top: 18px; color: var(--hj-dim); font-size: .77rem; }
.pc-source-note a { color: var(--hj-cyan); text-decoration: underline; text-underline-offset: 3px; }

@media (min-width: 680px) {
  .pc-grid, .pc-proof-grid, .pc-role-grid, .pc-installation-route-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .pc-section { padding: 88px 0; }
  .pc-hero { padding: 76px 0 66px; }
  .pc-hero-grid { grid-template-columns: minmax(0, 1.45fr) minmax(290px, .55fr); align-items: end; }
  .pc-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pc-proof-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 619px) {
  .pc-container { width: min(calc(100% - 28px), var(--hj-max)); }
  .pc-hero { padding: 42px 0 38px; }
  .pc-actions { display: grid; }
  .pc-button { width: 100%; }
  .pc-card { padding: 19px; }
  .pc-card-top { display: grid; }
  .pc-tag { width: max-content; }
  .pc-solution-concept { margin-bottom: 26px; }
  .pc-solution-concept-picture { padding: 0 0 13px; }
  .pc-solution-concept-picture img {
    max-width: 100%;
    filter:
      drop-shadow(0 15px 17px rgba(0, 4, 14, .4))
      drop-shadow(0 5px 12px rgba(0, 84, 132, .18));
  }
  .pc-solution-concept figcaption { padding: 12px 0 0; font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}