/* BSS Management Security v3, "Rack" direction.
   Engineering layout after Oxide Computer, recoloured to three tones only:
   white, bone and black. Hairlines and mono type live inside interface
   fragments (data-ui), the console, nav and captions. */

@font-face { font-family: "Geist"; src: url("../assets/fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../assets/fonts/geist-mono-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --white: #FFFFFF;
  --paper: #F7F5F0;
  --bone: #ECE9E2;
  --bone-2: #DDD8CD;
  --ink: #0B0B0A;
  --ink-2: #5E5C57;
  --black: #0A0A0A;
  --black-2: #141413;
  --black-3: #1E1E1C;
  --on-black: #F7F5F0;
  --on-black-2: #A8A49B;
  --on-black-3: #8E8B84;
  --line: rgba(11, 11, 10, .14);
  --line-strong: rgba(11, 11, 10, .32);
  --line-dark: rgba(247, 245, 240, .14);
  --line-dark-strong: rgba(247, 245, 240, .3);
  --r: 2px;
  --max: 1200px;
  --gut: 32px;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bone); color: var(--ink); font: 400 16px/1.6 var(--sans); letter-spacing: -.005em; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, video, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: var(--ink); color: var(--white); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.black :focus-visible { outline-color: var(--white); }

.wrap { width: min(100% - 2 * var(--gut), var(--max)); margin-inline: auto; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; background: var(--ink); color: var(--white); padding: 10px 14px; border-radius: var(--r); }
.skip:focus { left: 8px; }

/* Type */
.mono { font-family: var(--mono); font-weight: 500; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.display { font-size: clamp(42px, 6.2vw, 72px); line-height: 1.02; letter-spacing: -.035em; font-weight: 400; margin: 0; text-wrap: balance; }
.h-lg { font-size: clamp(32px, 3.8vw, 44px); line-height: 1.08; letter-spacing: -.03em; font-weight: 400; margin: 0; text-wrap: balance; }
.h-md { font-size: clamp(24px, 2.4vw, 30px); line-height: 1.15; letter-spacing: -.02em; font-weight: 400; margin: 0; text-wrap: balance; }
.h-sm { font-size: 18px; line-height: 1.3; letter-spacing: -.01em; font-weight: 500; margin: 0; }
.lead { font-size: 18px; line-height: 1.55; color: var(--ink-2); margin: 0; max-width: 46ch; }
.body { color: var(--ink-2); margin: 0; max-width: 58ch; }
.body + .body { margin-top: 16px; }
.black .body, .black .lead { color: var(--on-black-2); }
b, strong { font-weight: 500; color: var(--ink); }
.black b, .black strong { color: var(--on-black); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; height: 44px; padding: 0 18px; background: var(--ink); color: var(--white); border: 1px solid var(--ink); border-radius: var(--r); font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background .2s var(--ease), color .2s var(--ease), transform .12s var(--ease); white-space: nowrap; }
.btn svg { width: 16px; height: 16px; }
.btn:hover { background: #2A2A28; }
.btn:active { transform: scale(.98); }
.btn--line { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--line:hover { background: var(--white); border-color: var(--ink); }
.black .btn { background: var(--white); color: var(--ink); border-color: var(--white); }
.black .btn:hover { background: var(--bone); }

/* Top bar: minimal, not sticky, no fill */
.top { position: relative; z-index: 20; }
.top-in { display: flex; align-items: center; gap: 32px; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand svg { width: 44px; height: auto; color: var(--ink); }
.brand-type { display: flex; flex-direction: column; line-height: 1; }
.brand-type b { font-size: 17px; font-weight: 600; letter-spacing: .02em; }
.brand-type small { font: 500 10px/1 var(--mono); letter-spacing: .22em; color: var(--ink-2); margin-top: 5px; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); padding: 8px 0; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: var(--r); background: transparent; position: relative; cursor: pointer; }
.burger::before, .burger::after { content: ""; position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease), top .3s var(--ease); }
.burger::before { top: 17px; } .burger::after { top: 25px; }
.menu-open .burger::before { top: 21px; transform: rotate(45deg); }
.menu-open .burger::after { top: 21px; transform: rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 15; background: var(--bone); padding: 96px var(--gut) 32px; display: flex; flex-direction: column; justify-content: space-between; opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s; }
.menu-open .menu { opacity: 1; visibility: visible; }
.menu ol { list-style: none; margin: 0; padding: 0; }
.menu li { border-top: 1px solid var(--line); }
.menu li a { display: block; padding: 18px 0; font-size: 30px; letter-spacing: -.02em; text-decoration: none; opacity: 0; transform: translateY(10px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
.menu-open .menu li a { opacity: 1; transform: none; }
.menu-open .menu li:nth-child(2) a { transition-delay: .04s; } .menu-open .menu li:nth-child(3) a { transition-delay: .08s; }
.menu-open .menu li:nth-child(4) a { transition-delay: .12s; } .menu-open .menu li:nth-child(5) a { transition-delay: .16s; } .menu-open .menu li:nth-child(6) a { transition-delay: .2s; }
.menu-foot { display: flex; flex-direction: column; gap: 10px; }
.menu-foot a { font: 500 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
.menu-open { overflow: hidden; }
.menu-open .top { position: fixed; inset: 0 0 auto; }

/* Hero: console left, hardware right, headline lower left */
.hero { padding: 24px 0 0; }
.hero-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 24px; align-items: stretch; }
.console { background: var(--black); color: var(--on-black); border-radius: var(--r); min-height: 440px; display: flex; flex-direction: column; overflow: hidden; }
.console-bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line-dark); font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }
.led { display: inline-flex; align-items: center; gap: 8px; color: var(--on-black); }
.led::before { content: ""; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--on-black); box-shadow: inset 0 0 0 1.5px var(--black); background: var(--on-black); animation: led 2.4s ease-in-out infinite; }
@keyframes led { 50% { opacity: .35; } }
.console-log { list-style: none; margin: 0; padding: 18px; font: 500 12px/1.75 var(--mono); color: var(--on-black-2); flex: 1; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; min-height: 0; }
.console-log li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; }
.console-log time { color: var(--on-black-3); }
.console-log b { color: var(--on-black); font-weight: 500; }
.console-log li.new { animation: logIn .5s var(--ease) both; }
@keyframes logIn { from { opacity: 0; transform: translateY(6px); } }
.console-foot { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.console-foot div { padding: 14px 18px; border-left: 1px solid var(--line-dark); }
.console-foot div:first-child { border-left: 0; }
.console-foot span { display: block; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }
.console-foot b { display: block; margin-top: 8px; font: 400 20px/1 var(--sans); letter-spacing: -.02em; color: var(--on-black); font-variant-numeric: tabular-nums; }

.hw { position: relative; background: var(--white); border-radius: var(--r); min-height: 440px; overflow: hidden; }
.hw img { position: absolute; height: auto; }
.hw .hw-rack { position: absolute; left: 6%; width: 60%; top: 13%; display: flex; flex-direction: column; gap: 6px; }
.hw .hw-rack img { position: static; width: 100%; }
.hw-cap { position: absolute; left: 18px; top: 16px; right: 18px; display: flex; justify-content: space-between; gap: 12px; font: 500 11px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.hw .p-ap { width: 20%; right: 6%; top: 11%; }
.hw .p-cam { width: 25%; left: 5%; bottom: 6%; }
.hw .p-lpr { width: 19%; left: 38%; bottom: 7%; }
.hw .p-entry { width: 7.5%; right: 10%; bottom: 7%; }

.hero-copy { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; align-items: end; padding: 64px 0 80px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Facts strip */
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0; padding: 0; }
.facts li { list-style: none; padding: 24px 24px 26px; border-left: 1px solid var(--line); }
.facts li:first-child { border-left: 0; padding-left: 0; }
.facts b { display: block; font-size: 32px; line-height: 1; letter-spacing: -.03em; font-weight: 400; font-variant-numeric: tabular-nums; }
.facts span { display: block; margin-top: 12px; color: var(--ink-2); font-size: 14px; line-height: 1.45; max-width: 26ch; }

/* Sections */
.sec { padding: 112px 0; }
.sec-head { display: grid; grid-template-columns: 6fr 6fr; gap: 24px; align-items: end; margin-bottom: 48px; }
.sec-head .body { justify-self: end; }
.black { background: var(--black); color: var(--on-black); }
.white { background: var(--white); }

/* Panels (real interface fragments) */
.panel { background: var(--black); color: var(--on-black); border-radius: var(--r); overflow: hidden; }
.panel-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line-dark); font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }
.panel-bar .tabs { display: flex; gap: 18px; }
.panel-bar .tabs span[aria-current] { color: var(--on-black); }

/* Topology */
.topo-grid { display: grid; grid-template-columns: 8fr 4fr; gap: 24px; align-items: start; }
.topo-svg { padding: 12px 6px 6px; }
.topo-svg svg { width: 100%; height: auto; }
.topo .ln { stroke: rgba(247, 245, 240, .3); stroke-width: 1; fill: none; transition: opacity .25s, stroke .25s; }
.topo .ln.w { stroke-dasharray: 2 4; }
.topo .node rect { fill: var(--black-2); stroke: rgba(247, 245, 240, .22); stroke-width: 1; }
.topo .node.core rect { fill: var(--on-black); stroke: var(--on-black); }
.topo .node.core text { fill: var(--ink); }
.topo .node.core .t2 { fill: #45433F; }
.topo text { font: 500 11px var(--mono); letter-spacing: .03em; fill: var(--on-black); }
.topo .t2 { fill: var(--on-black-3); font-size: 9.5px; }
.topo .vl { font-size: 9.5px; letter-spacing: .14em; fill: var(--on-black-3); }
.topo .pkt { fill: var(--on-black); }
.topo .node { transition: opacity .25s; }
.topo.dim .node:not(.on), .topo.dim .ln:not(.on), .topo.dim .vl:not(.on) { opacity: .2; }
.topo.dim .ln.on { stroke: var(--on-black); }
.vlans { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.vlans li { border-bottom: 1px solid var(--line); }
.vlans button { all: unset; box-sizing: border-box; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; width: 100%; padding: 16px 4px; cursor: pointer; transition: background .2s, padding .25s var(--ease); }
.vlans button:hover, .vlans button[aria-pressed="true"] { background: var(--white); padding-inline: 14px; }
.vlans button:focus-visible { outline: 2px solid var(--ink); outline-offset: -2px; }
.vlans .vn { font-weight: 500; }
.vlans .vid { font: 500 11px/1.6 var(--mono); letter-spacing: .08em; color: var(--ink-2); text-transform: uppercase; }
.vlans .vd { grid-column: 1 / -1; color: var(--ink-2); font-size: 14px; line-height: 1.5; }
.vlans-note { margin: 18px 0 0; font-size: 14px; color: var(--ink-2); }

/* Efficiency: port map + speed */
.eff-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; align-items: start; }
.ports { padding: 18px; }
.port-grid { display: grid; grid-template-columns: repeat(13, minmax(0, 1fr)); gap: 6px; }
.port { all: unset; box-sizing: border-box; aspect-ratio: 1 / 1.08; border: 1px solid var(--line-dark); border-radius: 2px; display: flex; flex-direction: column; justify-content: space-between; padding: 5px 5px 4px; cursor: pointer; font: 500 9.5px/1 var(--mono); color: var(--on-black-3); transition: background .2s, border-color .2s, color .2s; min-width: 0; }
.port .pw { color: var(--on-black); font-size: 9px; white-space: nowrap; overflow: hidden; }
.port.up { border-color: var(--line-dark-strong); }
.port.poe { background: var(--black-3); }
.port.sfp { border-style: dashed; }
.port:hover, .port[aria-pressed="true"] { background: var(--on-black); color: var(--ink); border-color: var(--on-black); }
.port:hover .pw, .port[aria-pressed="true"] .pw { color: var(--ink); }
.port:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }
.port-info { margin-top: 18px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; border-top: 1px solid var(--line-dark); }
.port-info div { padding: 14px 0 2px; min-width: 0; }
.port-info span { display: block; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }
.port-info b { display: block; margin-top: 8px; font: 400 16px/1.25 var(--sans); color: var(--on-black); overflow-wrap: anywhere; }
.budget { margin-top: 18px; }
.budget-bar { height: 6px; background: var(--black-3); border-radius: 1px; overflow: hidden; }
.budget-bar i { display: block; height: 100%; width: var(--w, 10%); background: var(--on-black); }
.budget p { display: flex; justify-content: space-between; gap: 12px; margin: 8px 0 0; font: 500 10.5px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }

.side-stack { display: grid; gap: 24px; align-content: start; }
.speed { padding: 18px; }
.speed-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.speed-row span { display: block; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }
.speed-row b { display: block; margin-top: 10px; font: 400 44px/1 var(--sans); letter-spacing: -.035em; color: var(--on-black); font-variant-numeric: tabular-nums; }
.speed-row small { font: 500 11px var(--mono); color: var(--on-black-3); margin-left: 4px; letter-spacing: .06em; }
.lat { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 18px; border-top: 1px solid var(--line-dark); }
.lat div { padding: 12px 0 0; font: 500 11px/1.5 var(--mono); color: var(--on-black-3); letter-spacing: .06em; }
.lat b { display: block; color: var(--on-black); font-weight: 500; }
.spark { margin-top: 16px; width: 100%; height: 56px; }
.spark path { fill: none; stroke: var(--on-black); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.spark .g { stroke: var(--line-dark); stroke-width: 1; }
.wifi-card { padding: 18px; }
.roam { list-style: none; margin: 0; padding: 0; font: 500 11.5px/1.5 var(--mono); }
.roam li { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-dark); color: var(--on-black-2); }
.roam li:last-child { border-bottom: 0; }
.roam b { color: var(--on-black); font-weight: 500; }

.gains { list-style: none; margin: 72px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px 24px; }
.gains li { border-top: 1px solid var(--line-strong); padding-top: 18px; }
.gains .who { display: block; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 14px; }
.gains p { margin: 10px 0 0; color: var(--ink-2); font-size: 15px; }

/* Equipment: scroll-scrubbed exploded camera */
.equip { background: var(--white); position: relative; }
.equip-head { padding-top: 112px; }
.equip-track { position: relative; }
.equip-stage { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; align-items: center; justify-content: center; overflow: hidden; pointer-events: none; }
.equip-stage canvas { width: min(100%, 1400px); height: auto; aspect-ratio: 16 / 9; }
.equip-meter { position: absolute; right: var(--gut); top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; align-items: flex-end; gap: 10px; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.equip-meter i { display: block; width: 1px; height: 160px; background: var(--line); position: relative; }
.equip-meter i::after { content: ""; position: absolute; left: -1px; top: 0; width: 3px; height: calc(var(--p, 0) * 100%); background: var(--ink); }
.equip-steps { position: relative; margin-top: -100vh; margin-top: -100svh; z-index: 2; }
.equip-step { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; }
.equip-step.right { justify-content: flex-end; }
.equip-card { width: min(360px, 100%); background: var(--white); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.equip-card .mono { color: var(--ink-2); display: block; margin-bottom: 14px; }
.equip-card p { color: var(--ink-2); margin: 12px 0 0; font-size: 15px; }
.equip-card ul { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1px solid var(--line); }
.equip-card li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font: 500 11.5px/1.3 var(--mono); letter-spacing: .04em; color: var(--ink); }
.equip-card li span { color: var(--ink-2); text-align: right; }

/* Hardware catalogue */
.cat { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.cat figure { margin: 0; background: var(--white); padding: 20px; display: flex; flex-direction: column; justify-content: space-between; min-height: 300px; grid-column: span 3; position: relative; }
.cat figure.wide { grid-column: span 6; }
.cat figure.tall { grid-row: span 2; }
.cat .ph { flex: 1; display: flex; align-items: center; justify-content: center; padding: 28px 0 18px; }
.cat img { max-height: 180px; width: auto; max-width: 86%; object-fit: contain; transition: transform .5s var(--ease); }
.cat figure.wide img { max-height: none; width: 90%; }
.cat figure.tall img { max-height: 400px; }
.cat figure:hover img { transform: translateY(-4px); }
.cat figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font: 500 11px/1.35 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.cat figcaption span { color: var(--ink-2); text-align: right; }
.cat-note { margin: 16px 0 0; font-size: 13px; color: var(--ink-2); }

/* Gate */
.gate-grid { display: grid; grid-template-columns: 4fr 8fr; gap: 48px; align-items: start; }
.gate-media { position: relative; border-radius: var(--r); overflow: hidden; aspect-ratio: 16 / 9; background: #111; }
.gate-media video { width: 100%; height: 100%; object-fit: cover; }
.lpr { position: absolute; right: 16px; top: 16px; width: 250px; background: var(--black); border: 1px solid var(--line-dark-strong); border-radius: var(--r); font-family: var(--mono); color: var(--on-black); }
.lpr header { display: flex; justify-content: space-between; padding: 10px 12px; border-bottom: 1px solid var(--line-dark); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); }
.lpr .plate { margin: 14px 12px 6px; padding: 8px 10px; border-radius: 2px; font-size: 22px; letter-spacing: .12em; text-align: center; background: var(--white); color: var(--ink); }
.lpr dl { margin: 0; padding: 8px 12px 12px; display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; font-size: 11px; letter-spacing: .04em; }
.lpr dt { color: var(--on-black-3); text-transform: uppercase; }
.lpr dd { margin: 0; text-align: right; }
.gate-rules { list-style: none; margin: 32px 0 0; padding: 0; border-top: 1px solid var(--line-dark); }
.gate-rules li { padding: 16px 0; border-bottom: 1px solid var(--line-dark); }
.gate-rules b { display: block; font-weight: 500; }
.gate-rules span { color: var(--on-black-2); font-size: 15px; }

/* Plan */
.plan-panel { margin-top: 0; }
.layer-toggles { display: flex; gap: 6px; flex-wrap: wrap; }
.lt { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 10px; border: 1px solid var(--line-dark); border-radius: 2px; font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-black-3); transition: background .2s, color .2s, border-color .2s; }
.lt[aria-pressed="true"] { background: var(--on-black); color: var(--ink); border-color: var(--on-black); }
.lt:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }
.sw { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid currentColor; }
.sw-cam { border-radius: 1px; }
.sw-net { border-radius: 0; height: 2px; border-width: 1px; }
.plan-wrap { position: relative; padding: 18px; }
.plan { width: 100%; height: auto; }
.pl-lbl { font: 500 11px var(--mono); letter-spacing: .14em; fill: #8E8B84; }
.pl-room { font: 500 10px var(--mono); letter-spacing: .14em; fill: #8E8B84; }
.hide-wifi .layer-wifi, .hide-cam .layer-cam, .hide-net .layer-net { opacity: 0; }
.layer-wifi, .layer-cam, .layer-net { transition: opacity .35s var(--ease); }
.lpr-card { position: absolute; left: 34px; bottom: 34px; display: grid; gap: 4px; padding: 10px 12px; background: var(--white); color: var(--ink); border-radius: 2px; font: 500 11px/1.3 var(--mono); }
.lpr-card .lpr-k { color: var(--ink-2); letter-spacing: .1em; text-transform: uppercase; font-size: 10px; }
.lpr-card b { font-size: 16px; letter-spacing: .1em; }
.lpr-card .lpr-ok { font-size: 10.5px; color: var(--ink-2); }
.bom { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.bom li { padding: 16px 18px; border-left: 1px solid var(--line-dark); }
.bom li:first-child { border-left: 0; }
.bom .q { font: 400 28px/1 var(--sans); letter-spacing: -.03em; color: var(--on-black); display: block; }
.bom b { display: block; margin-top: 10px; font-size: 14px; font-weight: 500; }
.bom span:last-child { display: block; color: var(--on-black-3); font-size: 13px; margin-top: 2px; }
.note-small { margin: 16px 0 0; font-size: 13px; color: var(--on-black-3); }

/* Why + law */
.why { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.why li { padding: 24px 0; border-top: 1px solid var(--line-strong); display: grid; grid-template-columns: 5fr 7fr; gap: 24px; }
.why p { margin: 0; color: var(--ink-2); }
.law { margin: 48px 0 0; padding: 24px; background: var(--white); border-radius: var(--r); display: grid; grid-template-columns: 4fr 8fr; gap: 24px; color: var(--ink-2); }
.law p { margin: 0; }

/* Process */
.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.process li { padding-top: 18px; border-top: 1px solid var(--ink); }
.process .when { display: block; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 18px; }
.process p { margin: 10px 0 0; color: var(--ink-2); font-size: 15px; }

/* Contact */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; }
.contact-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.contact-meta a { text-decoration: none; border-bottom: 1px solid var(--line-strong); padding-bottom: 4px; }
.contact-meta span { color: var(--ink-2); }
.signoff { display: flex; align-items: center; gap: 14px; margin-top: 40px; }
.signoff img { width: 56px; height: 56px; border-radius: 2px; object-fit: cover; filter: grayscale(1); }
.signoff p { margin: 0; font-weight: 500; line-height: 1.35; }
.signoff span { display: block; font-weight: 400; color: var(--ink-2); font-size: 14px; }
form { background: var(--white); border-radius: var(--r); padding: 28px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin: 0 0 18px; border: 0; padding: 0; min-width: 0; }
.field > label, .field legend { display: block; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 10px; padding: 0; }
.opt { text-transform: none; letter-spacing: 0; font-family: var(--sans); }
input:not([type=checkbox]), textarea { width: 100%; background: var(--paper); border: 1px solid var(--line); border-radius: 2px; padding: 12px 14px; font-size: 16px; transition: border-color .2s, background .2s; }
input:not([type=checkbox]):focus, textarea:focus { outline: none; border-color: var(--ink); background: var(--white); }
textarea { min-height: 130px; resize: vertical; }
.field.invalid input, .field.invalid textarea { border-color: var(--ink); background: var(--white); }
.err { display: block; font-size: 13px; color: var(--ink); margin-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.field label.chip { margin: 0; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-flex; align-items: center; height: 36px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 2px; font-size: 14px; cursor: pointer; transition: background .2s, color .2s; }
.chip input:checked + span { background: var(--ink); color: var(--white); border-color: var(--ink); }
.chip input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); margin: 6px 0 22px; }
.consent input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--ink); }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.form-status { margin: 0; font-size: 14px; color: var(--ink-2); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Footer */
.foot { background: var(--black); color: var(--on-black); padding: 88px 0 40px; }
.foot-big { font-size: clamp(30px, 4vw, 48px); line-height: 1.08; letter-spacing: -.03em; margin: 0; max-width: 20ch; }
.foot-big span { color: var(--on-black-3); }
.foot-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 72px; padding-top: 20px; border-top: 1px solid var(--line-dark); font: 500 11px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--on-black-3); }
.foot-row nav { display: flex; flex-wrap: wrap; gap: 20px; }
.foot-row a { text-decoration: none; color: var(--on-black-2); }
.foot-row a:hover { color: var(--on-black); }
.tm { margin: 20px 0 0; font-size: 12px; color: var(--on-black-3); max-width: 80ch; }

/* Reveal */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .led::before, .console-log li.new { animation: none; }
}

/* Responsive */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .top .btn { display: none; }
  .hero-grid, .hero-copy, .sec-head, .topo-grid, .eff-grid, .gate-grid, .contact { grid-template-columns: 1fr; }
  .sec-head .body { justify-self: start; }
  .gains { grid-template-columns: 1fr 1fr; }
  .cat figure { grid-column: span 6; }
  .cat figure.wide { grid-column: span 12; }
  .cat figure.tall { grid-row: auto; }
  .process { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .why { grid-template-columns: 1fr; }
  .gate-grid { gap: 32px; }
}
@media (max-width: 720px) {
  :root { --gut: 16px; }
  .top-in { height: 64px; }
  .sec { padding: 80px 0; }
  .equip-head { padding-top: 80px; }
  .console { min-height: 360px; }
  .hw { min-height: 320px; }
  .hero-copy { padding: 40px 0 56px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li { padding: 20px 16px 22px; }
  .facts li:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .facts li:nth-child(4) { border-top: 1px solid var(--line); }
  .facts b { font-size: 26px; }
  .gains { grid-template-columns: 1fr; gap: 32px; margin-top: 48px; }
  .port-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); }
  .port-info { grid-template-columns: 1fr 1fr; }
  .speed-row b { font-size: 36px; }
  .cat figure, .cat figure.wide { grid-column: span 12; min-height: 240px; }
  .equip-step, .equip-step.right { justify-content: center; align-items: flex-end; padding-bottom: 8vh; }
  .equip-meter { display: none; }
  .lpr { position: static; width: auto; margin-top: 12px; }
  .bom { grid-template-columns: 1fr 1fr; }
  .bom li:nth-child(3) { border-left: 0; }
  .bom li:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
  .lpr-card { position: static; margin: 12px 0 0; }
  .why li, .law { grid-template-columns: 1fr; gap: 8px; }
  .process { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
  form { padding: 20px; }
  .console-foot b { font-size: 17px; }
  .console-foot div { padding: 12px; }
  .panel-bar .tabs { display: none; }
}

/* Plan drawing details (white / bone on black) */
.plan .layer { transition: opacity .5s var(--ease); }
.plan .ring { fill: none; stroke: rgba(247, 245, 240, .35); stroke-dasharray: 2 5; }
.plan .cone { fill: url(#cone); stroke: rgba(207, 200, 184, .4); stroke-width: 1; }
.plan .cable { fill: none; stroke: var(--on-black); stroke-width: 1.4; stroke-dasharray: 4 5; opacity: .75; }
.plan .dev:focus { outline: none; }
.plan .dev:focus-visible > :first-child, .plan .dev:hover > :first-child { stroke: var(--white); stroke-width: 3; }
.plan .car { animation: drive 12s var(--ease) infinite; }
.plan .leaf-l { transform-box: view-box; transform-origin: 118px 573px; animation: leafL 12s var(--ease) infinite; }
.plan .leaf-r { transform-box: view-box; transform-origin: 252px 573px; animation: leafR 12s var(--ease) infinite; }
.plan .cone-lpr { animation: lpr 12s linear infinite; }
.plan .plate { font-family: var(--mono); font-size: 5.6px; font-weight: 500; fill: var(--ink); }
.lpr-card { animation: card 12s var(--ease) infinite; }
@keyframes drive { 0% { transform: translateY(690px); opacity: 0; } 5% { opacity: 1; } 24%, 50% { transform: translateY(592px); } 72%, 86% { transform: translateY(372px); opacity: 1; } 93% { transform: translateY(372px); opacity: 0; } 100% { transform: translateY(690px); opacity: 0; } }
@keyframes leafL { 0%, 40% { transform: rotate(0); } 48%, 80% { transform: rotate(-82deg); } 88%, 100% { transform: rotate(0); } }
@keyframes leafR { 0%, 40% { transform: rotate(0); } 48%, 80% { transform: rotate(82deg); } 88%, 100% { transform: rotate(0); } }
@keyframes lpr { 0%, 22% { stroke: rgba(207, 200, 184, .4); } 26%, 46% { stroke: #FFFFFF; stroke-width: 2; } 50%, 100% { stroke: rgba(207, 200, 184, .4); stroke-width: 1; } }
@keyframes card { 0%, 26% { opacity: 0; transform: translateY(8px); } 30%, 62% { opacity: 1; transform: none; } 68%, 100% { opacity: 0; transform: translateY(8px); } }
@media (prefers-reduced-motion: reduce) {
  .plan .car { animation: none; transform: translateY(592px); }
  .plan .leaf-l, .plan .leaf-r, .plan .cone-lpr, .lpr-card { animation: none; }
}
.panel b, .panel strong { color: var(--on-black); }
.law { background: var(--bone); }
.equip-stage canvas { width: min(100%, 1400px, calc(84svh * 16 / 9)); }
@media (max-width: 720px) { .lpr-card { animation: none; } }
@media (max-width: 720px) {
  .topo-svg, .plan-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .topo-svg svg { min-width: 720px; }
  .plan-wrap .plan { min-width: 760px; }
  .cat figure { grid-column: span 6; min-height: 210px; padding: 14px; }
  .cat figure.wide { grid-column: span 12; }
  .cat figcaption { flex-direction: column; gap: 4px; }
  .cat figcaption span { text-align: left; }
  .cat img { max-height: 120px; }
  .cat figure.tall img { max-height: 160px; }
  .hw { min-height: 280px; }
}

/* Official BSS Management logo (traced, one colour) */
.brand-logo { display: block; height: 44px; width: auto; color: var(--ink); }
.brand { gap: 14px; }
.brand-sub { font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink); padding: 6px 0 6px 14px; border-left: 1px solid var(--line-strong); align-self: center; }
.foot-logo { display: block; width: min(300px, 70vw); height: auto; color: var(--on-black); margin-bottom: 56px; }
.menu-open .brand-logo { color: var(--ink); }
@media (max-width: 720px) { .brand-logo { height: 36px; } }