/* HAUSE Sewer design system. Shared by all seven portals; each page sets
   --accent / --accent-ink / --accent-deep on :root for its own signal colour. */
:root {
  --ink: #0e1713;
  --ink-2: #15211c;
  --ink-3: #1d2c25;
  --ink-line: #2d3f37;
  --on-ink: #eef1ea;
  --on-ink-2: #b7c2bb;
  --paper: #f3f2ec;
  --paper-2: #e9e8e0;
  --card: #fbfaf6;
  --line: #d6d4c9;
  --text: #16201b;
  --text-2: #3f4b45;
  --text-3: #5b6660;
  --link: var(--accent-deep);
  --radius: 22px;
  --radius-s: 14px;
  --shadow: 0 1px 0 rgba(14, 23, 19, .04), 0 18px 40px -24px rgba(14, 23, 19, .28);
  --f-head: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --wrap: 1200px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1613;
    --paper-2: #141e1a;
    --card: #17221d;
    --line: #2a3a33;
    --text: #e7ebe4;
    --text-2: #bcc6bf;
    --text-3: #9aa69f;
    --link: var(--accent);
    --shadow: 0 1px 0 rgba(0, 0, 0, .2), 0 18px 40px -24px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font: 400 17px/1.65 var(--f-body); overflow-x: hidden; }
img, svg { max-width: 100%; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3, h4 { font-family: var(--f-head); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: clamp(36px, 5.6vw, 68px); font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 750; }
h3 { font-size: 21px; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- Network strip + header ---------- */
.netbar { background: #070d0a; color: var(--on-ink-2); font-size: 12.5px; }
.netbar .wrap { display: flex; gap: 18px; align-items: center; justify-content: space-between; min-height: 36px; }
.netbar nav { display: flex; gap: 14px; overflow-x: auto; scrollbar-width: none; white-space: nowrap; }
.netbar nav::-webkit-scrollbar { display: none; }
.netbar a { color: var(--on-ink-2); text-decoration: none; }
.netbar a:hover, .netbar a[aria-current] { color: var(--accent); }
.netbar .net-label { color: var(--on-ink); font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; flex: none; }
.netbar .net-contact { flex: none; display: flex; gap: 14px; }
.site-head { background: var(--ink); color: var(--on-ink); position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--ink-line); }
.site-head .wrap { display: flex; align-items: center; gap: 24px; min-height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--on-ink); text-decoration: none; font-family: var(--f-head); font-weight: 800; font-size: 21px; letter-spacing: -.02em; }
.brand b { color: var(--accent); font-weight: 800; }
.brand small { font-weight: 600; color: var(--on-ink-2); }
.brand svg { width: 34px; height: 34px; flex: none; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.main-nav a { color: var(--on-ink-2); text-decoration: none; font-weight: 550; font-size: 15px; padding: 8px 11px; border-radius: 10px; white-space: nowrap; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--on-ink); background: var(--ink-3); }
.btn { display: inline-flex; align-items: center; gap: 10px; font: 700 15.5px/1 var(--f-head); padding: 15px 22px; border-radius: 999px; text-decoration: none; border: 0; cursor: pointer; transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 30px -12px var(--accent); }
.btn-ghost { background: transparent; color: var(--on-ink); border: 1px solid var(--ink-line); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-dark { background: var(--ink); color: var(--on-ink); }
.main-nav .btn { margin-left: 10px; padding: 12px 18px; color: var(--accent-ink); }
.main-nav .btn:hover { background: var(--accent); color: var(--accent-ink); }
.nav-toggle { display: none; margin-left: auto; background: var(--ink-3); color: var(--on-ink); border: 1px solid var(--ink-line); border-radius: 10px; padding: 9px 12px; font: 600 14px var(--f-body); }
@media (max-width: 1120px) {
  .nav-toggle { display: inline-flex; }
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--ink); flex-direction: column; align-items: stretch; padding: 12px 16px 20px; border-bottom: 1px solid var(--ink-line); }
  .main-nav.open { display: flex; }
  .main-nav .btn { margin: 8px 0 0; justify-content: center; }
  .netbar .net-contact a:first-child { display: none; }
}

/* ---------- Hero ---------- */
.hero { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(var(--ink-2) 1px, transparent 1px), linear-gradient(90deg, var(--ink-2) 1px, transparent 1px); background-size: 40px 40px; opacity: .7; mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%); }
.hero::after { content: ''; position: absolute; width: 620px; height: 620px; right: -260px; top: -200px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); box-shadow: 0 0 0 60px color-mix(in srgb, var(--accent) 3%, transparent), 0 0 0 120px color-mix(in srgb, var(--accent) 2%, transparent); pointer-events: none; }
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 84px; }
.hero h1 { color: var(--on-ink); }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lede { font-size: 20px; color: var(--on-ink-2); max-width: 36ch; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 600 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 22px; }
.kicker::before { content: ''; width: 22px; height: 22px; border-radius: 50%; border: 2px solid currentColor; box-shadow: inset 0 0 0 4px var(--ink), inset 0 0 0 7px currentColor; flex: none; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 34px; }
.answer-card { background: var(--ink-2); border: 1px solid var(--ink-line); border-left: 3px solid var(--accent); border-radius: var(--radius-s); padding: 18px 20px; max-width: 58ch; }
.answer-card .mono { color: var(--accent); display: block; margin-bottom: 6px; }
.answer-card p { margin: 0; color: var(--on-ink); font-size: 16px; }
.hero-visual { position: relative; }
.hero-art { width: 100%; height: auto; display: block; }
.hero-meter { display: flex; justify-content: space-between; font: 500 11px var(--f-mono); color: var(--on-ink-2); letter-spacing: .1em; border-top: 1px dashed var(--ink-line); padding-top: 10px; margin-top: 8px; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; padding-top: 44px; padding-bottom: 56px; gap: 28px; } .hero-visual { max-width: 420px; margin: 0 auto; width: 100%; } }

/* Hero scene tokens */
.hero-art text { font-family: var(--f-mono); font-size: 13px; letter-spacing: .08em; }
.h-label { fill: var(--on-ink-2); } .h-label.acc, .h-mono { fill: var(--accent); } .h-label.ink { fill: var(--accent-ink); font-weight: 700; font-size: 11px; }
.h-mono { font-size: 22px !important; font-weight: 700; }
.h-ring { fill: none; stroke: var(--ink-line); } .h-ring.faint { stroke-dasharray: 2 6; }
.h-wall { fill: #3b4a43; } .h-bore { fill: #0a110e; } .h-build { fill: #8a7440; }
.h-cable, .h-hose { stroke: #b8c2bb; stroke-width: 6; fill: none; stroke-linecap: round; }
.h-head { fill: var(--accent); } .h-head-x { stroke: var(--accent-ink); stroke-width: 5; stroke-linecap: round; }
.h-wall-line { stroke: var(--on-ink-2); stroke-width: 2; } .h-tick { stroke: var(--on-ink-2); }
.h-card { fill: var(--ink-2); stroke: var(--ink-line); } .h-card.top { fill: var(--ink-3); stroke: color-mix(in srgb, var(--accent) 50%, transparent); }
.h-bar { fill: #34463e; } .h-bar.flag { fill: #e06c5a; } .h-range { fill: var(--accent); }
.h-chip { fill: var(--ink); stroke: var(--accent); }
.h-bezel { fill: #0a100d; stroke: var(--ink-line); stroke-width: 2; }
.h-joint { fill: none; stroke: #6f7f76; stroke-width: 2; opacity: .8; }
.h-water { fill: #1f4d5c; opacity: .65; } .h-crack { stroke: var(--accent); stroke-width: 3; fill: none; }
.h-hud { stroke: var(--accent); stroke-width: 2; } .h-tag { fill: var(--accent); }
.h-drum { fill: #2c3a34; stroke: #54665d; stroke-width: 3; } .h-drum-in { fill: #111a16; } .h-hub { fill: var(--accent); }
.h-coilarc { stroke: var(--accent); stroke-width: 4; fill: none; }
.h-pipe-o { stroke: #3b4a43; stroke-width: 44; fill: none; } .h-pipe-i { stroke: #0a110e; stroke-width: 28; fill: none; }
.h-cable-s { stroke: #b8c2bb; stroke-width: 5; fill: none; stroke-dasharray: 10 10; }
.h-cutter { fill: var(--accent); } .h-clog { fill: #8a7440; }
.h-soil { fill: #1a1712; } .h-house { fill: var(--ink-3); stroke: #4e6158; stroke-width: 2; } .h-win { fill: color-mix(in srgb, var(--accent) 60%, #000); }
.h-flow { stroke: var(--accent); stroke-width: 4; fill: none; stroke-dasharray: 14 16; }
.h-main { fill: #3b4a43; } .h-bore-c { fill: #0a110e; }
.h-cal { fill: #2a3a33; } .h-cal.on { fill: var(--accent); }
.h-trunk { stroke: #6b5536; stroke-width: 18; stroke-linecap: round; }
.h-crown { fill: #24462f; stroke: #2f5a3c; }
.h-root { stroke: var(--accent); stroke-width: 4; fill: none; stroke-linecap: round; }
.h-bell { fill: #52615a; } .h-rootmass { stroke: var(--accent); stroke-width: 2.5; fill: none; }
.h-nozzle { fill: var(--accent); } .h-jet { stroke: #9fe4ff; stroke-width: 2.5; stroke-linecap: round; } .h-jet.f { stroke: var(--accent); stroke-width: 4; }
.h-drop { fill: #7fc8e0; opacity: .7; }

/* ---------- Diagram panel (.dg) — always dark ---------- */
figure.diagram { margin: 34px 0; background: #0b1310; border-radius: var(--radius); overflow: hidden; border: 1px solid #22322b; }
figure.diagram figcaption { color: #b7c2bb; font-size: 14.5px; padding: 14px 20px 18px; border-top: 1px solid #22322b; }
figure.diagram figcaption .mono { color: var(--accent); margin-right: 8px; }
.dg { display: block; width: 100%; height: auto; }
.dg .bg { fill: #0b1310; } .dg .grid-lines line { stroke: #14201b; stroke-width: 1; }
.dg text { font-family: var(--f-mono); font-size: 13px; letter-spacing: .06em; fill: #dfe5dc; }
.dg .tiny { font-size: 11px; fill: #95a39b; } .dg .lbl { font-size: 12.5px; font-weight: 600; } .dg .acc-t { fill: var(--accent); }
.dg .mono-acc { fill: var(--accent); font-size: 18px; font-weight: 700; }
.dg .acc { fill: var(--accent); } .dg .lbl-f { fill: #dfe5dc; }
.dg .soil { fill: #1b1812; } .dg .turf { fill: #2f4a2c; } .dg .frost { stroke: #6fa8c8; stroke-dasharray: 6 6; stroke-width: 1.5; }
.dg .house { fill: #16211c; stroke: #4e6158; stroke-width: 2; } .dg .basement { fill: #121b17; stroke: #3b4a43; }
.dg .stack { stroke: #7e8f86; stroke-width: 10; fill: none; stroke-linecap: square; }
.dg .acc-ring { fill: #0b1310; stroke: var(--accent); stroke-width: 3; }
.dg .bwv { fill: #2b3a33; stroke: var(--accent); stroke-width: 2; }
.dg .lat-wall { stroke: #5d6b64; stroke-width: 22; fill: none; } .dg .lat-bore { stroke: #0a110e; stroke-width: 12; fill: none; }
.dg .flow { stroke: var(--accent); stroke-width: 3; fill: none; stroke-dasharray: 10 10; animation: dgflow 1.4s linear infinite; }
.dg .flow-slow { stroke: #6fa8c8; stroke-width: 3; fill: none; stroke-dasharray: 4 14; }
.dg .flow-back { stroke: #e06c5a; stroke-width: 3; fill: none; stroke-dasharray: 10 8; }
.dg .pl { stroke: #dfe5dc; stroke-dasharray: 3 5; } .dg .walk { fill: #6b6f68; } .dg .road { fill: #2c2f2d; }
.dg .main-wall { fill: #5d6b64; } .dg .bore { fill: #0a110e; } .dg .water { fill: #1f4d5c; }
.dg .pipe { fill: #5d6b64; } .dg .bell { fill: #75847c; }
.dg .bracket { stroke: #95a39b; stroke-width: 1.5; } .dg .acc-line { stroke: var(--accent); }
.dg .root-main { stroke: #a57f4d; stroke-width: 12; fill: none; stroke-linecap: round; }
.dg .root-sub { stroke: #8a6a40; stroke-width: 5; fill: none; stroke-linecap: round; }
.dg .root-hair { stroke: #c79a5c; stroke-width: 2; fill: none; }
.dg .root-mass { stroke: var(--accent); stroke-width: 2; fill: none; }
.dg .root-cloud { fill: color-mix(in srgb, var(--accent) 14%, transparent); }
.dg .lbl-line { stroke: #95a39b; stroke-width: 1.5; fill: none; }
.dg .hose, .dg .cable-push { stroke: #b8c2bb; stroke-width: 7; fill: none; stroke-linecap: round; }
.dg .cable { stroke: #b8c2bb; stroke-width: 3; fill: none; }
.dg .nozzle { fill: var(--accent); } .dg .jet { stroke: #9fe4ff; stroke-width: 2; opacity: .9; } .dg .jet-f { stroke: var(--accent); stroke-width: 4; }
.dg .clog { fill: #8a7440; } .dg .head { fill: #c9d2cc; } .dg .head.acc { fill: var(--accent); }
.dg .head-l, .dg .teeth, .dg .chain { stroke: #c9d2cc; stroke-width: 3; fill: none; } .dg .chain { stroke: var(--accent); }
.dg .rule { stroke: #22322b; }
.dg .cap { fill: #7e8f86; } .dg .cap.acc { fill: var(--accent); }
.dg .reel { fill: #2c3a34; stroke: #54665d; stroke-width: 3; } .dg .reel-in { fill: var(--accent); }
.dg .cam { fill: #c9d2cc; } .dg .sonde { fill: none; stroke: var(--accent); stroke-dasharray: 3 5; opacity: .6; }
.dg .loc { stroke: #c9d2cc; stroke-width: 4; } .dg .loc-box { fill: var(--accent); }
.dg .mon { fill: #16211c; stroke: #4e6158; } .dg .mon-pipe { fill: #000; } .dg .mon-ring { fill: none; stroke: #6f7f76; }
.dg .m-clay { fill: #9a6a44; } .dg .m-iron { fill: #3d3a38; stroke: #6b625b; } .dg .tuber { fill: #8a5a34; }
.dg .m-fibre { fill: #4a3d2e; } .dg .m-conc { fill: #8b8f8a; } .dg .m-abs { fill: #1e1e1e; stroke: #555; } .dg .m-pvc { fill: #e7e9e4; }
.dg .grease-ring { fill: none; stroke: #c9a45a; } .dg .grease-l { fill: #8a7440; }
.dg .valve-body { fill: #1d2c25; stroke: #7e8f86; stroke-width: 2; } .dg .flap { stroke: #dfe5dc; stroke-width: 6; stroke-linecap: round; }
.dg .flap.acc-line { stroke: var(--accent); } .dg .x { stroke: #e06c5a; stroke-width: 4; }
.dg .defect { stroke: #e06c5a; stroke-width: 3; fill: none; } .dg .sag { stroke: #5d6b64; stroke-width: 10; fill: none; }
.dg .collapse { fill: #5d6b64; stroke: #e06c5a; stroke-width: 2; }
.dg .fixture { stroke: #c9d2cc; stroke-width: 3; fill: none; } .dg .trap { stroke: var(--accent); stroke-width: 3; fill: none; }
.dg .liner { stroke: var(--accent); stroke-width: 10; fill: none; opacity: .85; } .dg .liner-front { stroke: var(--accent); stroke-width: 6; fill: none; }
.dg .liner-ring { fill: none; stroke: var(--accent); stroke-width: 5; } .dg .tap { fill: #5d6b64; }
.dg .pit { stroke: #7e8f86; stroke-width: 3; fill: #120f0b; } .dg .hdpe { stroke: #2b2b2b; stroke-width: 34; fill: none; }
.dg .cable-pull { stroke: #c9d2cc; stroke-width: 3; fill: none; stroke-dasharray: 8 6; }
.dg .baffle { stroke: #c9d2cc; stroke-width: 6; } .dg .grade-line { stroke: #6fa8c8; stroke-dasharray: 6 6; stroke-width: 2; fill: none; }
.dg .clog-l { stroke: #c9a45a; stroke-width: 4; fill: none; }
.dg .drain { stroke: #7e8f86; stroke-width: 8; fill: none; } .dg .vent { stroke: var(--accent); stroke-width: 4; fill: none; stroke-dasharray: 8 5; }
.dg .water-s { fill: #1f4d5c; stroke: #6fa8c8; stroke-width: 2; }
.dg .snow { fill: #e8eef2; } .dg .frost-zone { fill: rgba(111, 168, 200, .12); } .dg .ice { fill: #cfe8f5; }
@keyframes dgflow { to { stroke-dashoffset: -40; } }
@media (prefers-reduced-motion: reduce) { .dg .flow { animation: none; } .hero-art animate, .hero-art animateTransform { display: none; } }

/* ---------- Sections ---------- */
.band { padding: 88px 0; }
.band.tight { padding: 56px 0; }
.band.alt { background: var(--paper-2); }
.band.dark { background: var(--ink); color: var(--on-ink); }
.band.dark h2, .band.dark h3 { color: var(--on-ink); }
.band.dark p { color: var(--on-ink-2); }
.sec-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; margin-bottom: 36px; }
.sec-head p { color: var(--text-2); max-width: 60ch; margin: 0; }
.depth { font: 600 11.5px var(--f-mono); letter-spacing: .14em; color: var(--text-3); text-transform: uppercase; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.depth::after { content: ''; flex: 1; height: 1px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px); min-width: 40px; }
.band.dark .depth { color: var(--accent); }
.band.dark .depth::after { background: repeating-linear-gradient(90deg, var(--ink-line) 0 6px, transparent 6px 12px); }

/* Router */
.router { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.router a { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 20px; text-decoration: none; color: var(--text); transition: border-color .15s, transform .15s; }
.router a:hover { border-color: var(--accent-deep); transform: translateY(-2px); }
.router .n { font: 700 12px var(--f-mono); width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--accent); }
.router strong { display: block; font: 700 16.5px/1.3 var(--f-head); }
.router small { color: var(--text-3); font-size: 13.5px; }
.router .go { color: var(--link); font-weight: 700; }
@media (max-width: 900px) { .router { grid-template-columns: 1fr; } .sec-head { grid-template-columns: 1fr; } }

/* Tool teaser */
.tool-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .tool-band { grid-template-columns: 1fr; } }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; color: var(--text); transition: border-color .15s, box-shadow .15s; position: relative; }
.card:hover { border-color: var(--accent-deep); box-shadow: var(--shadow); }
.card .mono { color: var(--accent-deep); }
.card.net .mono { color: var(--net-deep); } .card.net { border-left: 3px solid var(--net); }
@media (prefers-color-scheme: dark) { .card.net .mono { color: var(--net); } }
.netrel .cards { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.cat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; }
.cat-chips a { font: 600 13px var(--f-mono); letter-spacing: .06em; text-transform: uppercase; padding: 9px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); text-decoration: none; color: var(--text); }
.cat-chips a:hover { border-color: var(--accent-deep); }
.cat-chips b { color: var(--accent-deep); margin-left: 6px; }
.card h3 { margin: 0; font-size: 19px; }
.card p { color: var(--text-2); font-size: 15px; margin: 0; }
.card .meta { margin-top: auto; padding-top: 10px; font: 500 12px var(--f-mono); color: var(--text-3); display: flex; justify-content: space-between; }
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.pillar { background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: var(--radius); padding: 28px; color: var(--on-ink); text-decoration: none; display: flex; flex-direction: column; gap: 10px; min-height: 220px; position: relative; overflow: hidden; }
.pillar::after { content: ''; position: absolute; right: -60px; bottom: -60px; width: 150px; height: 150px; border-radius: 50%; border: 1px solid var(--ink-line); box-shadow: 0 0 0 18px var(--ink-2), 0 0 0 19px var(--ink-line); }
.pillar:hover { border-color: var(--accent); }
.pillar h3 { color: var(--on-ink); margin: 0; } .pillar p { color: var(--on-ink-2); font-size: 15px; margin: 0; } .pillar .mono { color: var(--accent); }

/* ---------- Article ---------- */
.page-head { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.page-head::after { content: ''; position: absolute; width: 440px; height: 440px; right: -180px; top: -160px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent); box-shadow: 0 0 0 50px color-mix(in srgb, var(--accent) 3%, transparent); }
.page-head .wrap { position: relative; z-index: 1; padding-top: 34px; padding-bottom: 54px; }
.page-head h1 { color: var(--on-ink); font-size: clamp(32px, 4.4vw, 54px); max-width: 22ch; }
.page-head .desc { color: var(--on-ink-2); font-size: 19px; max-width: 62ch; }
.crumbs { font-size: 13.5px; color: var(--on-ink-2); margin-bottom: 28px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--on-ink-2); } .crumbs span[aria-hidden] { opacity: .5; }
.byline { display: flex; flex-wrap: wrap; gap: 8px 22px; font: 500 12px var(--f-mono); letter-spacing: .08em; color: var(--on-ink-2); text-transform: uppercase; margin-top: 22px; }
.byline b { color: var(--accent); font-weight: 600; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; padding: 56px 24px 40px; }
@media (max-width: 1020px) { .article-grid { grid-template-columns: 1fr; gap: 24px; } .aside { order: 2; } }
.prose { max-width: 740px; min-width: 0; }
.prose h2 { margin-top: 2.1em; scroll-margin-top: 90px; padding-top: 22px; border-top: 1px solid var(--line); }
.prose h2 .n { display: block; font: 600 11.5px var(--f-mono); letter-spacing: .14em; color: var(--accent-deep); margin-bottom: 10px; }
.prose p, .prose li { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.25em; margin: 0 0 1.2em; } .prose li { margin: .35em 0; }
.prose ul li::marker { color: var(--accent-deep); }
.answer-box { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius-s); padding: 22px 24px; margin: 0 0 28px; box-shadow: var(--shadow); }
.answer-box .mono { color: var(--accent-deep); display: block; margin-bottom: 8px; }
.answer-box p { font-size: 18px; margin: 0; }
.takeaways { background: var(--ink); color: var(--on-ink); border-radius: var(--radius); padding: 24px 28px; margin: 0 0 34px; }
.takeaways .mono { color: var(--accent); }
.takeaways ul { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; }
.takeaways li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--on-ink); }
.takeaways li::before { content: ''; width: 14px; height: 14px; margin-top: 5px; border-radius: 50%; border: 2px solid var(--accent); box-shadow: inset 0 0 0 3px var(--ink), inset 0 0 0 6px var(--accent); }
.steps { list-style: none; padding: 0 !important; counter-reset: s; display: grid; gap: 14px; margin: 18px 0 26px !important; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 46px 1fr; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 16px 18px; margin: 0 !important; }
.steps li::before { content: counter(s, decimal-leading-zero); font: 700 13px var(--f-mono); width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--accent); }
.steps strong { display: block; font-family: var(--f-head); font-size: 17px; margin-bottom: 2px; }
.steps p { margin: 0; color: var(--text-2); font-size: 16px; }
.table-wrap { overflow-x: auto; margin: 22px 0 28px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--card); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
caption { text-align: left; padding: 14px 16px 4px; font: 600 12px var(--f-mono); letter-spacing: .08em; color: var(--text-3); text-transform: uppercase; }
th, td { text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--f-head); font-size: 14px; background: var(--paper-2); color: var(--text); }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; }
.callout { border-radius: var(--radius-s); padding: 18px 20px; margin: 24px 0; border: 1px solid; display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.callout .ic { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font: 800 14px var(--f-head); }
.callout strong { display: block; font-family: var(--f-head); margin-bottom: 2px; }
.callout p { margin: 0; font-size: 15.5px; }
.callout.warn { background: color-mix(in srgb, #e06c5a 9%, var(--card)); border-color: color-mix(in srgb, #e06c5a 45%, var(--line)); } .callout.warn .ic { background: #c2412e; color: #fff; }
.callout.tip { background: color-mix(in srgb, var(--accent) 12%, var(--card)); border-color: color-mix(in srgb, var(--accent-deep) 40%, var(--line)); } .callout.tip .ic { background: var(--accent); color: var(--accent-ink); }
.callout.note { background: var(--card); border-color: var(--line); } .callout.note .ic { background: var(--ink); color: var(--accent); }
.compare { display: grid; grid-template-columns: 1fr 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; margin: 22px 0 28px; font-size: 15px; background: var(--card); }
.compare > div { padding: 11px 14px; border-bottom: 1px solid var(--line); }
.compare .hd { background: var(--ink); color: var(--on-ink); font: 700 14px var(--f-head); } .compare .hd.b { color: var(--accent); }
.compare .k { font-weight: 600; background: var(--paper-2); }
@media (max-width: 620px) { .compare { grid-template-columns: 1fr 1fr; } .compare .k { grid-column: 1 / -1; } .compare .hd.k0 { display: none; } }
blockquote.pull { margin: 30px 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--accent); font: 700 23px/1.35 var(--f-head); letter-spacing: -.01em; color: var(--text); }
.faq { border-top: 1px solid var(--line); margin-top: 14px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; font: 700 17.5px/1.4 var(--f-head); padding: 16px 40px 16px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 6px; top: 12px; font: 400 26px var(--f-body); color: var(--accent-deep); }
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--text-2); margin: 0 0 18px; }
.sources { font-size: 14.5px; color: var(--text-2); }
.sources ol { padding-left: 1.2em; } .sources li { margin: .3em 0; }
.glossary dl { display: grid; gap: 0; margin: 0; }
.glossary dt { font: 700 18px var(--f-head); padding-top: 18px; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.glossary dd { margin: 4px 0 18px; color: var(--text-2); }
.az { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 24px; }
.az a { font: 600 13px var(--f-mono); width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: var(--card); border: 1px solid var(--line); text-decoration: none; }

/* Aside */
.aside { display: flex; flex-direction: column; gap: 18px; }
.aside .sticky { position: sticky; top: 94px; display: flex; flex-direction: column; gap: 18px; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.toc .mono { color: var(--text-3); }
.toc ol { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 2px; counter-reset: t; }
.toc li { counter-increment: t; }
.toc a { display: grid; grid-template-columns: 28px 1fr; gap: 4px; text-decoration: none; color: var(--text-2); font-size: 14.5px; padding: 6px 0; line-height: 1.35; }
.toc a::before { content: counter(t, decimal-leading-zero); font: 600 11px var(--f-mono); color: var(--accent-deep); padding-top: 3px; }
.toc a:hover { color: var(--text); }
.cta-card { background: var(--ink); color: var(--on-ink); border-radius: var(--radius); padding: 24px; position: relative; overflow: hidden; }
.cta-card::after { content: ''; position: absolute; right: -50px; top: -50px; width: 130px; height: 130px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); box-shadow: 0 0 0 16px color-mix(in srgb, var(--accent) 5%, transparent); }
.cta-card h3 { color: var(--on-ink); font-size: 20px; } .cta-card p { color: var(--on-ink-2); font-size: 15px; }
.cta-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.cta-card .alt { display: block; text-align: center; margin-top: 12px; color: var(--on-ink-2); font-size: 14px; }

/* ---------- Forms ---------- */
.lead-wrap { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .lead-wrap { grid-template-columns: 1fr; } }
.lead-form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); color: var(--text); }
.band.dark .lead-form { border-color: var(--ink-line); }
.band.dark .lead-form p, .band.dark .lead-form label { color: var(--text-2); }
.lead-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 620px) { .lead-form .row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font: 600 14px var(--f-head); color: var(--text); }
.field input, .field select, .field textarea { font: 400 16px var(--f-body); padding: 13px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--paper); color: var(--text); width: 100%; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent-deep); outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); }
.consent { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 13.5px; color: var(--text-2); margin: 6px 0 16px; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--accent-deep); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-top: 14px; font-size: 15px; border-radius: 12px; padding: 0; }
.form-status[data-state] { padding: 12px 14px; }
.form-status[data-state="success"] { background: color-mix(in srgb, var(--accent) 22%, var(--card)); color: var(--text); }
.form-status[data-state="error"] { background: color-mix(in srgb, #e06c5a 16%, var(--card)); color: var(--text); }
.form-status[data-state="pending"] { background: var(--paper-2); }
.lead-form .btn { width: 100%; justify-content: center; }
.lead-form .fine { font-size: 13px; color: var(--text-3); margin: 12px 0 0; }
.contact-lines { display: grid; gap: 12px; margin: 24px 0; }
.contact-lines a { display: flex; gap: 14px; align-items: center; text-decoration: none; font: 700 19px var(--f-head); color: var(--on-ink); }
.contact-lines .ic { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--ink-3); color: var(--accent); flex: none; font-size: 18px; }
.contact-lines.light a { color: var(--text); } .contact-lines.light .ic { background: var(--ink); }

/* ---------- Tool widget ---------- */
.tool { background: var(--ink); color: var(--on-ink); border-radius: var(--radius); padding: 28px; border: 1px solid var(--ink-line); position: relative; overflow: hidden; margin: 0 0 34px; }
.tool::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(var(--ink-2) 1px, transparent 1px), linear-gradient(90deg, var(--ink-2) 1px, transparent 1px); background-size: 32px 32px; opacity: .6; pointer-events: none; }
.tool > * { position: relative; }
.tool h2, .tool h3 { color: var(--on-ink); border: 0; margin-top: 0; padding: 0; }
.tool .mono { color: var(--accent); }
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; margin: 18px 0; }
@media (max-width: 700px) { .tool-grid { grid-template-columns: 1fr; } }
.tool label { display: flex; flex-direction: column; gap: 6px; font: 600 13.5px var(--f-head); color: var(--on-ink-2); }
.tool select, .tool input[type="number"], .tool input[type="search"], .tool input[type="range"] { font: 500 15.5px var(--f-body); padding: 12px 13px; border-radius: 12px; border: 1px solid var(--ink-line); background: var(--ink-2); color: var(--on-ink); width: 100%; }
.tool input[type="range"] { padding: 0; accent-color: var(--accent); background: transparent; border: 0; }
.tool fieldset { border: 1px solid var(--ink-line); border-radius: 12px; padding: 12px 14px; margin: 0; grid-column: 1 / -1; }
.tool legend { font: 600 13.5px var(--f-head); color: var(--on-ink-2); padding: 0 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { flex-direction: row; align-items: center; gap: 8px; background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: 999px; padding: 8px 14px; cursor: pointer; font-weight: 550; color: var(--on-ink); }
.chips input { accent-color: var(--accent); }
.chips label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--ink-2)); }
.tool-out { background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: 16px; padding: 20px 22px; margin-top: 8px; }
.tool-out[hidden] { display: none; }
.tool-out .big { font: 800 clamp(26px, 4vw, 40px)/1.1 var(--f-head); color: var(--accent); letter-spacing: -.02em; margin: 6px 0 10px; }
.tool-out p, .tool-out li { color: var(--on-ink-2); font-size: 15.5px; }
.tool-out ul { padding-left: 1.2em; margin: 8px 0; }
.tool-out strong { color: var(--on-ink); }
.meter { height: 10px; border-radius: 999px; background: var(--ink-3); overflow: hidden; margin: 10px 0 16px; }
.meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 50%, #e06c5a)); border-radius: 999px; transition: width .4s; }
.badge { display: inline-block; font: 700 11.5px var(--f-mono); letter-spacing: .1em; padding: 5px 10px; border-radius: 999px; text-transform: uppercase; }
.badge.ok { background: color-mix(in srgb, var(--accent) 25%, transparent); color: var(--accent); }
.badge.caution { background: rgba(240, 195, 106, .18); color: #f0c36a; }
.badge.avoid { background: rgba(224, 108, 90, .2); color: #ff9c8c; }
.matrix { display: grid; gap: 8px; margin: 10px 0; }
.matrix div { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; background: var(--ink-3); border-radius: 10px; }
.matrix div span:first-child { color: var(--on-ink); font-weight: 600; }
.matrix small { display: block; color: var(--on-ink-2); font-weight: 400; font-size: 13.5px; }
.code-list { display: grid; gap: 8px; max-height: 420px; overflow: auto; margin-top: 12px; }
.code-list button { text-align: left; display: grid; grid-template-columns: 70px 1fr auto; gap: 12px; align-items: center; background: var(--ink-2); border: 1px solid var(--ink-line); color: var(--on-ink); border-radius: 12px; padding: 11px 14px; cursor: pointer; font: 500 15px var(--f-body); }
.code-list button:hover, .code-list button[aria-pressed="true"] { border-color: var(--accent); }
.code-list code { font: 700 13px var(--f-mono); color: var(--accent); }
.dm-row { display: grid; grid-template-columns: 76px minmax(0, 1fr) 76px; gap: 8px; margin-bottom: 8px; }
.dm-row[hidden] { display: none; }
.dm-row input { font: 500 15px var(--f-body); padding: 10px; border-radius: 10px; border: 1px solid var(--ink-line); background: var(--ink-2); color: var(--on-ink); width: 100%; min-width: 0; }
.dm-row select { padding: 10px; }
.tool .disclaimer { font-size: 13px; color: var(--on-ink-2); margin: 14px 0 0; }

/* ---------- Network band + footer ---------- */
.network { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.network a { background: var(--ink-2); border: 1px solid var(--ink-line); border-radius: 14px; padding: 16px; text-decoration: none; color: var(--on-ink); display: flex; flex-direction: column; gap: 8px; }
.network a:hover { border-color: var(--net); }
.network a i { width: 12px; height: 12px; border-radius: 50%; background: var(--net); box-shadow: 0 0 0 4px color-mix(in srgb, var(--net) 20%, transparent); }
.network strong { font: 700 15px var(--f-head); } .network small { color: var(--on-ink-2); font-size: 12.5px; line-height: 1.4; }
.network a[aria-current] { border-color: var(--net); }
.site-foot { background: #070d0a; color: var(--on-ink-2); padding: 64px 0 30px; font-size: 14.5px; }
.site-foot a { color: var(--on-ink-2); text-decoration: none; } .site-foot a:hover { color: var(--accent); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; } }
.site-foot h4 { color: var(--on-ink); font: 600 12px var(--f-mono); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-foot .fine { border-top: 1px solid var(--ink-line); margin-top: 44px; padding-top: 22px; font-size: 12.5px; line-height: 1.6; display: grid; gap: 8px; }
.site-foot .brand { font-size: 19px; margin-bottom: 12px; }

/* Utilities */
.lede-2 { font-size: 19px; color: var(--text-2); max-width: 62ch; }
.center { text-align: center; }
.mt0 { margin-top: 0; }
.hub-cat { margin: 44px 0 16px; display: flex; align-items: baseline; gap: 14px; }
.hub-cat h2 { margin: 0; font-size: 26px; }
.hub-cat .mono { color: var(--text-3); }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--ink-line); border: 1px solid var(--ink-line); border-radius: var(--radius); overflow: hidden; }
.stat-row div { background: var(--ink-2); padding: 20px 22px; }
.stat-row b { display: block; font: 800 30px var(--f-head); color: var(--accent); letter-spacing: -.02em; }
.stat-row span { font-size: 13.5px; color: var(--on-ink-2); }
@media (max-width: 760px) { .stat-row { grid-template-columns: 1fr 1fr; } }