/* OpsBond site v5 — built on the OpsBond brand tokens (obsidian / bond copper / chalk).
   Layout: dark operational frame, with paper sections for reading-heavy proof. No external fonts, libraries or trackers. */
@font-face{font-family:'Inter';font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/v5/fonts/inter-var.woff2) format('woff2') format('woff2');}
:root {
  --obsidian: #0B0F14;
  --obsidian-2: #10161E;
  --obsidian-3: #161F2A;
  --copper: #D97745;
  --copper-2: #F08A51;
  --chalk: #F8F6F1;
  --paper: #F1EFEA;
  --paper-2: #E7E3DB;
  --ink: #111820;
  --muted: #6D7580;
  --mist: #A3ACB7;
  --line-dark: rgba(248, 246, 241, .11);
  --line-light: rgba(17, 24, 32, .12);
  --ok: #5DBE95;
  --ok-ink: #1E7A55;
  --warn: #E5A955;
  --warn-ink: #9A5D12;
  --road: #8D97A4;
  --road-ink: #4E5763;
  --no: #E0685A;
  --no-ink: #A93A2E;
  --font: 'Inter', 'Noto Sans', ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;
  --shell: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --r: 16px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--obsidian); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.6; color: var(--chalk); background: var(--obsidian); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
::selection { background: rgba(217, 119, 69, .3); color: var(--chalk); }
:focus-visible { outline: 2px solid var(--copper-2); outline-offset: 3px; border-radius: 6px; }

.shell { width: 100%; max-width: calc(var(--shell) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); position: relative; }
.skip { position: fixed; left: 16px; top: 10px; z-index: 1000; transform: translateY(-160%); padding: 10px 14px; background: var(--chalk); color: var(--ink); border-radius: 10px; font-weight: 700; text-decoration: none; }
.skip:focus { transform: none; }

/* Type */
h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
h1 { font-size: clamp(40px, 5.2vw, 68px); line-height: 1.02; font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.08; font-weight: 800; letter-spacing: -.03em; }
h3 { font-size: 20px; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
.lede { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; color: #D9DDE2; max-width: 40em; }
.light .lede { color: #3A434E; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--copper-2); }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; border-radius: 2px; }
.light .eyebrow { color: #B85C2D; }
.accent { color: var(--copper-2); }
.light .accent { color: #C2612F; }
.muted { color: var(--mist); }
.light .muted { color: #5B6470; }
.small { font-size: 14px; line-height: 1.55; }
.tiny { font-size: 12.5px; line-height: 1.5; }
.sec-head { display: grid; gap: 16px; max-width: 860px; margin-bottom: clamp(32px, 4vw, 52px); }

/* Sections */
.sec { padding-block: clamp(64px, 9vw, 120px); position: relative; }
.sec.dark-2 { background: var(--obsidian-2); }
.sec.light { background: var(--paper); color: var(--ink); }
.sec.light + .sec.light { padding-top: 0; }
.rule-top { border-top: 1px solid var(--line-dark); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 22px; border-radius: 12px; font-weight: 700; font-size: 16px; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-copper { background: linear-gradient(180deg, var(--copper-2), var(--copper)); color: #140C07; box-shadow: 0 10px 30px rgba(217, 119, 69, .28), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-copper:hover { box-shadow: 0 14px 38px rgba(217, 119, 69, .38), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-ghost { background: rgba(248, 246, 241, .04); color: var(--chalk); border-color: rgba(248, 246, 241, .22); }
.btn-ghost:hover { border-color: rgba(248, 246, 241, .45); }
.light .btn-ghost { color: var(--ink); border-color: rgba(17, 24, 32, .25); background: transparent; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 14.5px; border-radius: 10px; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.link { color: var(--copper-2); font-weight: 700; text-decoration: none; display: inline-flex; gap: 8px; align-items: center; }
.light .link { color: #B85C2D; }
.link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Header */
.hdr { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100; background: rgba(11, 15, 20, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .25s ease, background .25s ease; }
.hdr.is-scrolled { background: rgba(11, 15, 20, .9); border-color: var(--line-dark); }
.hdr-in { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 34px; width: auto; }
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; color: #C9CED5; text-decoration: none; font-size: 15px; font-weight: 600; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--chalk); background: rgba(248, 246, 241, .06); }
.menu-btn { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .04); color: var(--chalk); cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.menu-btn span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s ease; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mnav { border-top: 1px solid var(--line-dark); background: var(--obsidian); }
.mnav .shell { display: grid; gap: 4px; padding-block: 12px 20px; }
.mnav a { padding: 12px 4px; font-size: 18px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--line-dark); }
.mnav .btn { margin-top: 12px; border-bottom: 0; }
@media (max-width: 1120px) {
  .nav, .hdr-cta { display: none; }
  .menu-btn { display: inline-flex; }
  .brand img { height: 30px; }
}

/* Hero */
.hero { position: relative; overflow: hidden; padding-block: clamp(48px, 7vw, 96px) clamp(48px, 6vw, 80px); background:
  radial-gradient(900px 520px at 78% 38%, rgba(217, 119, 69, .16), transparent 62%),
  radial-gradient(700px 400px at 10% 0%, rgba(80, 110, 150, .10), transparent 60%), var(--obsidian); }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 240px; pointer-events: none; background:
  repeating-linear-gradient(90deg, rgba(248, 246, 241, .045) 0 1px, transparent 1px 72px),
  repeating-linear-gradient(0deg, rgba(248, 246, 241, .045) 0 1px, transparent 1px 36px);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 70%); mask-image: linear-gradient(180deg, transparent, #000 70%);
  transform: perspective(600px) rotateX(58deg); transform-origin: bottom; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: clamp(24px, 4vw, 56px); align-items: center; position: relative; z-index: 1; }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.hero h1 .dot { color: var(--copper-2); }
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .035); font-size: 13.5px; font-weight: 600; color: #D4D9DF; }
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(93, 190, 149, .18); }
.hero-art { position: relative; min-height: 460px; perspective: 1400px; }
.hero-art .mark { position: absolute; inset: 0; margin: auto; width: min(100%, 560px); aspect-ratio: 760 / 830; max-width: 100%;
  -webkit-mask-image: radial-gradient(closest-side, #000 72%, transparent 100%); mask-image: radial-gradient(closest-side, #000 72%, transparent 100%);
  transform: rotateY(-10deg) rotateX(4deg); filter: drop-shadow(0 40px 60px rgba(0, 0, 0, .55)); }
.glass { position: absolute; z-index: 2; width: 196px; padding: 14px 16px; border-radius: 14px; background: linear-gradient(160deg, rgba(248, 246, 241, .12), rgba(248, 246, 241, .03)); border: 1px solid rgba(248, 246, 241, .16); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 24px 50px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .12); animation: float 7s ease-in-out infinite; }
.glass b { display: block; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.glass span { display: block; margin-top: 6px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--mist); line-height: 1.7; }
.glass.g1 { top: 4%; left: 0; transform: rotate(-3deg); }
.glass.g2 { bottom: 6%; right: 0; animation-delay: -3.5s; border-color: rgba(240, 138, 81, .38); }
.glass.g2 b { color: var(--copper-2); }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-art { min-height: 340px; order: -1; margin-bottom: -8px; }
  .hero-art .mark { width: min(78%, 360px); }
  .glass { width: 160px; padding: 10px 12px; }
}
@media (max-width: 420px) { .glass { width: 142px; } .glass span { font-size: 11px; } }

/* Highlights strip */
.strip { border-block: 1px solid var(--line-dark); background: var(--obsidian-2); }
.strip-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.strip-item { padding: 22px 20px; display: grid; gap: 4px; border-left: 1px solid var(--line-dark); min-width: 0; }
.strip-item:first-child { border-left: 0; padding-left: 0; }
.strip-item b { font-size: 15.5px; }
.strip-item span { font-size: 13.5px; color: var(--mist); }
@media (max-width: 900px) { .strip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .strip-item:nth-child(3) { border-left: 0; padding-left: 0; } .strip-item:nth-child(n+3) { border-top: 1px solid var(--line-dark); } }
@media (max-width: 480px) { .strip-grid { grid-template-columns: minmax(0, 1fr); } .strip-item { border-left: 0; padding-left: 0; } .strip-item + .strip-item { border-top: 1px solid var(--line-dark); } }

/* Cards */
.card { border-radius: var(--r); border: 1px solid var(--line-dark); background: linear-gradient(180deg, rgba(248, 246, 241, .05), rgba(248, 246, 241, .015)); padding: clamp(20px, 2.4vw, 28px); min-width: 0; }
.light .card { background: #FBFAF7; border-color: var(--line-light); box-shadow: 0 1px 0 rgba(255, 255, 255, .8) inset, 0 10px 30px rgba(17, 24, 32, .05); }
.card.raised { box-shadow: 0 30px 60px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .07); }
.card.copper { border-color: rgba(240, 138, 81, .45); background: linear-gradient(180deg, rgba(217, 119, 69, .12), rgba(217, 119, 69, .02)); }
.light .card.copper { background: #FFF6EF; border-color: rgba(194, 97, 47, .35); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 760px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .grid-4 { grid-template-columns: minmax(0, 1fr); } }
.stack { display: grid; gap: 12px; align-content: start; }

/* Status chips */
.st { justify-self: start; display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; border: 1px solid; line-height: 1.5; }
.st::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.st-ok { color: var(--ok); border-color: rgba(93, 190, 149, .4); background: rgba(93, 190, 149, .08); }
.st-proto { color: var(--warn); border-color: rgba(229, 169, 85, .42); background: rgba(229, 169, 85, .08); }
.st-road { color: var(--road); border-color: rgba(141, 151, 164, .4); background: rgba(141, 151, 164, .07); }
.st-no { color: var(--no); border-color: rgba(224, 104, 90, .42); background: rgba(224, 104, 90, .07); }
.st-copper { color: var(--copper-2); border-color: rgba(240, 138, 81, .45); background: rgba(240, 138, 81, .08); }
.light .st-ok { color: var(--ok-ink); border-color: rgba(30, 122, 85, .35); background: rgba(30, 122, 85, .07); }
.light .st-proto { color: var(--warn-ink); border-color: rgba(154, 93, 18, .35); background: rgba(154, 93, 18, .07); }
.light .st-road { color: var(--road-ink); border-color: rgba(78, 87, 99, .3); background: rgba(78, 87, 99, .06); }
.light .st-no { color: var(--no-ink); border-color: rgba(169, 58, 46, .32); background: rgba(169, 58, 46, .06); }
.light .st-copper { color: #B85C2D; border-color: rgba(184, 92, 45, .35); background: rgba(184, 92, 45, .07); }

/* Problem */
.problem-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.leaks { display: grid; gap: 4px; }
.leak { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line-light); }
.leak:last-child { border-bottom: 0; }
.leak .x { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(169, 58, 46, .35); color: var(--no-ink); background: rgba(169, 58, 46, .06); font-weight: 800; font-size: 14px; }
.leak b { display: block; font-size: 18px; }
.leak span { color: #4A535E; font-size: 15.5px; }
.stat { display: grid; gap: 8px; }
.stat .num { font-size: clamp(44px, 5vw, 60px); font-weight: 800; letter-spacing: -.04em; line-height: 1; color: #C2612F; font-variant-numeric: tabular-nums; }
.stat .src { font-size: 12.5px; color: #5B6470; }
.stat .src a { color: inherit; }
.tag { justify-self: start; font-size: 10.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; padding: 3px 8px; border-radius: 6px; border: 1px solid var(--line-light); color: #4E5763; background: #F3F1EC; }
.why { margin-top: 24px; padding: 16px 20px; border-left: 3px solid #C2612F; background: #FBFAF7; border-radius: 0 12px 12px 0; font-size: 16px; color: #2C343D; }
@media (max-width: 900px) { .problem-grid { grid-template-columns: minmax(0, 1fr); } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.step { position: relative; display: grid; gap: 10px; align-content: start; }
.step .n { font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--copper-2); border: 1px solid rgba(240, 138, 81, .4); border-radius: 8px; padding: 3px 8px; justify-self: start; }
.step h3 { text-transform: uppercase; letter-spacing: .06em; font-size: 16px; }
.step p { color: #C3C9D1; font-size: 15.5px; }
.step.last { border-color: rgba(240, 138, 81, .45); }
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* Lifecycle widget */
.lc { margin-top: 40px; border-radius: 20px; border: 1px solid var(--line-dark); background: linear-gradient(180deg, #121A23, #0D131A); overflow: hidden; box-shadow: 0 40px 80px rgba(0, 0, 0, .35); }
.lc-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line-dark); }
.lc-top .label { font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--mist); }
.lc-ctrl { display: flex; gap: 8px; flex-wrap: wrap; }
.lc-ctrl button { min-height: 36px; padding: 6px 12px; border-radius: 9px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .04); color: var(--chalk); font-size: 13.5px; font-weight: 700; cursor: pointer; }
.lc-ctrl button[aria-pressed="true"] { border-color: rgba(240, 138, 81, .6); color: var(--copper-2); }
.lc-body { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.chat { padding: 22px 18px; display: grid; gap: 12px; align-content: start; border-right: 1px solid var(--line-dark); min-width: 0; }
.msg { max-width: 88%; padding: 11px 14px; border-radius: 14px; font-size: 15px; line-height: 1.5; transition: opacity .35s ease, transform .35s ease; }
.msg.user { justify-self: end; background: #2A3B4E; border-bottom-right-radius: 4px; }
.msg.bot { justify-self: start; background: rgba(248, 246, 241, .07); border: 1px solid var(--line-dark); border-bottom-left-radius: 4px; }
.msg .who { display: block; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--mist); margin-bottom: 4px; }
.msg.voice .wave { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; color: #CFE3F7; font-size: 13px; font-weight: 700; }
.msg.voice .wave svg { width: 16px; height: 16px; }
.msg.voice .bars { display: inline-flex; gap: 2px; align-items: center; height: 16px; }
.msg.voice .bars i { width: 3px; border-radius: 2px; background: currentColor; opacity: .75; }
.msg.voice q { color: #E8EDF2; }
.msg.off { opacity: .18; transform: translateY(4px); }
.req { padding: 22px 18px; display: grid; gap: 14px; align-content: start; min-width: 0; }
.req-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.req-head b { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.fields { display: grid; gap: 0; border: 1px solid var(--line-dark); border-radius: 12px; overflow: hidden; }
.field { display: grid; grid-template-columns: 118px minmax(0, 1fr); gap: 10px; padding: 10px 12px; border-top: 1px solid var(--line-dark); font-size: 14.5px; transition: background .4s ease; }
.field:first-child { border-top: 0; }
.field dt { color: var(--mist); font-size: 12.5px; font-weight: 700; letter-spacing: .04em; padding-top: 2px; }
.field dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.field del { color: #8B95A1; margin-right: 6px; }
.field.flash { background: rgba(240, 138, 81, .12); }
.field .empty { color: #5F6873; }
.req-note { font-size: 13px; color: var(--mist); border-top: 1px dashed var(--line-dark); padding-top: 12px; }
@media (max-width: 860px) { .lc-body { grid-template-columns: minmax(0, 1fr); } .chat { border-right: 0; border-bottom: 1px solid var(--line-dark); } }
@media (max-width: 420px) { .field { grid-template-columns: 96px minmax(0, 1fr); } }

/* Clinic + lists */
.split { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } }
.caps { list-style: none; margin: 0; padding: 0; display: grid; }
.caps li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 16px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line-light); }
.caps li:first-child { padding-top: 0; }
.caps li:last-child { border-bottom: 0; }
.caps b { font-size: 17.5px; }
.caps p { grid-column: 1 / -1; color: #4A535E; font-size: 15px; }
.dark-list .caps li { border-color: var(--line-dark); }
.dark-list .caps p { color: #B7BFC8; }
@media (max-width: 480px) { .caps li { grid-template-columns: minmax(0, 1fr); } .caps .st { justify-self: start; grid-row: 2; } }
.bounds { display: grid; gap: 16px; }
.bounds h3 { font-size: 18px; }
.bounds ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.bounds li { display: grid; gap: 2px; padding-left: 18px; position: relative; }
.bounds li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 2px; background: #C2612F; }
.bounds li b { font-size: 16px; }
.bounds li span { font-size: 14.5px; color: #4A535E; }

/* Voice */
.voice-card { display: grid; gap: 14px; align-content: start; }
.voice-card .head { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.facts { display: grid; gap: 0; margin: 0; }
.facts > div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-top: 1px solid var(--line-dark); font-size: 15px; }
.facts dt { color: var(--mist); font-size: 13px; font-weight: 700; }
.facts dd { margin: 0; min-width: 0; }
.light .facts > div { border-color: var(--line-light); }
.light .facts dt { color: #5B6470; }
@media (max-width: 420px) { .facts > div { grid-template-columns: minmax(0, 1fr); gap: 2px; } }
.flow { font-family: var(--mono); font-size: 12.5px; color: #C9CED5; letter-spacing: .02em; padding: 10px 12px; border-radius: 10px; background: rgba(0, 0, 0, .25); border: 1px solid var(--line-dark); overflow-wrap: anywhere; }
.light .flow { background: #F3F1EC; color: #2C343D; border-color: var(--line-light); }
.note { font-size: 15px; color: #C3C9D1; margin-top: 24px; }

/* Control layer */
.ctl { display: grid; grid-template-columns: minmax(0, .8fr) auto minmax(0, 1.2fr); gap: 16px; align-items: stretch; }
.ctl .card h3 { margin-bottom: 4px; }
.ctl .kind { font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--mist); margin-bottom: 14px; display: block; }
.ctl .card.copper .kind { color: var(--copper-2); }
.ctl ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ctl li { padding-left: 16px; position: relative; font-size: 16px; }
.ctl li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 2px; background: var(--mist); }
.ctl .card.copper li::before { background: var(--copper-2); }
.ctl .two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.arrow { display: grid; place-items: center; align-content: center; gap: 6px; color: var(--copper-2); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.arrow svg { width: 40px; height: 40px; }
@media (max-width: 900px) { .ctl { grid-template-columns: minmax(0, 1fr); } .arrow svg { transform: rotate(90deg); } }
@media (max-width: 460px) { .ctl .two { grid-template-columns: minmax(0, 1fr); } }
.band { margin-top: 20px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(16px, 3vw, 36px); align-items: center; }
.band .big { font-size: clamp(24px, 2.6vw, 30px); font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
.band p { color: #C3C9D1; }
@media (max-width: 760px) { .band { grid-template-columns: minmax(0, 1fr); } }

/* Reviews */
.review { display: grid; gap: 16px; align-content: start; }
.review blockquote { margin: 0; font-size: 17px; line-height: 1.55; color: #1F2730; }
.review blockquote::before { content: "\201C"; display: block; font-size: 48px; line-height: .6; color: #C2612F; font-weight: 800; margin-bottom: 8px; }
.review .by { display: grid; gap: 2px; padding-top: 14px; border-top: 1px solid var(--line-light); }
.review .by b { font-size: 15.5px; }
.review .by span { font-size: 13.5px; color: #5B6470; }
.review .meta { font-size: 12.5px; color: #5B6470; }
.review .open { font-size: 14px; color: #3A434E; background: #F3F1EC; border-radius: 10px; padding: 12px 14px; }
.disclaim { margin-top: 20px; font-size: 13.5px; color: #5B6470; max-width: 860px; }

/* Ladder */
.ladder { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.rung { display: grid; gap: 10px; align-content: start; }
.rung .k { font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--copper-2); display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; }
.rung h3 { font-size: 19px; }
.rung p { font-size: 15px; color: #C3C9D1; }
@media (max-width: 980px) { .ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .ladder { grid-template-columns: minmax(0, 1fr); } }
.decide { margin-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.decide .card p { color: #C3C9D1; font-size: 15.5px; }
.decide .card h3 { margin-bottom: 8px; font-size: 18px; }
.verdicts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.verdicts span { font-family: var(--mono); font-size: 13px; font-weight: 700; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line-dark); }
@media (max-width: 760px) { .decide { grid-template-columns: minmax(0, 1fr); } }

/* Roadmap */
.road { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.road .card { display: grid; gap: 10px; align-content: start; }
.road .when { font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; color: #4E5763; }
.road ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-size: 15.5px; color: #2C343D; }
@media (max-width: 900px) { .road { grid-template-columns: minmax(0, 1fr); } }
.thesis { margin-top: 20px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 24px; align-items: center; padding: clamp(20px, 3vw, 32px); border-radius: var(--r); background: var(--ink); color: var(--chalk); }
.thesis b { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.25; letter-spacing: -.015em; }
.thesis p { color: #C3C9D1; font-size: 15.5px; }
@media (max-width: 760px) { .thesis { grid-template-columns: minmax(0, 1fr); } }

/* Team */
.team { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.person { display: grid; gap: 12px; justify-items: center; text-align: center; align-content: start; }
.person img { width: 132px; height: 132px; border-radius: 50%; box-shadow: 0 0 0 3px var(--obsidian), 0 0 0 5px rgba(240, 138, 81, .75), 0 20px 40px rgba(0, 0, 0, .4); }
.light .person img { box-shadow: 0 0 0 3px #FBFAF7, 0 0 0 5px rgba(194, 97, 47, .7), 0 16px 30px rgba(17, 24, 32, .18); }
.person h3 { font-size: 19px; }
.person .role { color: var(--copper-2); font-weight: 700; font-size: 14.5px; }
.light .person .role { color: #B85C2D; }
.person p { font-size: 14.5px; color: #B7BFC8; max-width: 30em; }
.light .person p { color: #4A535E; }
.person .acad { font-size: 13px; color: var(--mist); }
.light .person .acad { color: #5B6470; }
@media (max-width: 860px) { .team { grid-template-columns: minmax(0, 1fr); max-width: 520px; margin-inline: auto; } }

/* CTA */
.cta { text-align: left; background: radial-gradient(700px 300px at 85% 0%, rgba(217, 119, 69, .22), transparent 70%), var(--obsidian-2); border-top: 1px solid var(--line-dark); }
.cta-in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: end; }
@media (max-width: 760px) { .cta-in { grid-template-columns: minmax(0, 1fr); } }

/* Page hero (inner pages) */
.phero { padding-block: clamp(48px, 7vw, 92px) clamp(36px, 5vw, 64px); background: radial-gradient(800px 380px at 85% 0%, rgba(217, 119, 69, .14), transparent 65%), var(--obsidian); border-bottom: 1px solid var(--line-dark); }
.phero .in { display: grid; gap: 20px; }
.phero .in > * { max-width: 900px; }
.phero h1 { font-size: clamp(36px, 5.2vw, 64px); }

/* Video */
.video { border-radius: 18px; overflow: hidden; border: 1px solid var(--line-dark); background: #070A0E; box-shadow: 0 40px 90px rgba(0, 0, 0, .45); }
.video video { display: block; width: 100%; aspect-ratio: 16 / 9; max-width: 100%; background: #070A0E; }
.video .fallback { aspect-ratio: 16 / 9; max-width: 100%; display: grid; place-items: center; text-align: center; padding: 24px; background: radial-gradient(500px 260px at 50% 40%, rgba(217, 119, 69, .16), transparent 70%), #0A0E13; }
.video .fallback div { display: grid; gap: 10px; justify-items: center; }
.video .fallback img { width: 120px; opacity: .9; }
.video-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 14px 18px; border-top: 1px solid var(--line-dark); font-size: 13.5px; color: var(--mist); }
.video-meta b { color: var(--chalk); font-weight: 700; }

/* Proof matrix */
.legend { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.cap-group { margin-top: 44px; }
.cap-group:first-of-type { margin-top: 0; }
.cap-group > h3 { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: #4E5763; margin-bottom: 12px; display: flex; gap: 12px; align-items: center; }
.cap-group > h3::after { content: ""; flex: 1; height: 1px; background: var(--line-light); }
.matrix { display: grid; border: 1px solid var(--line-light); border-radius: 14px; overflow: hidden; background: #FBFAF7; }
.row { display: grid; grid-template-columns: minmax(0, 1.25fr) 170px minmax(0, 1.4fr); gap: 16px; padding: 16px 18px; border-top: 1px solid var(--line-light); align-items: start; }
.row:first-child { border-top: 0; }
.row b { font-size: 16px; }
.row .scope { font-size: 14.5px; color: #3A434E; }
.row .scope small { display: block; margin-top: 4px; font-size: 12.5px; color: #6A737E; }
.row.hd { background: #F3F1EC; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: #5B6470; padding-block: 10px; }
@media (max-width: 820px) { .row { grid-template-columns: minmax(0, 1fr); gap: 8px; } .row.hd { display: none; } .row .st { justify-self: start; } }
details.ev { border: 1px solid var(--line-light); border-radius: 14px; background: #FBFAF7; }
details.ev summary { cursor: pointer; padding: 16px 18px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.ev summary::-webkit-details-marker { display: none; }
details.ev summary::after { content: "+"; font-weight: 800; color: #B85C2D; }
details.ev[open] summary::after { content: "–"; }
details.ev .in { padding: 0 18px 18px; display: grid; gap: 10px; font-size: 15px; color: #2C343D; }
details.ev ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }

/* Forms */
.form { display: grid; gap: 16px; }
.form .two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 620px) { .form .two { grid-template-columns: minmax(0, 1fr); } }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 700; color: #2C343D; }
.form input, .form textarea, .form select { width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(17, 24, 32, .2); background: #fff; color: var(--ink); font-size: 16px; font-weight: 400; color-scheme: light; }
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid #C2612F; outline-offset: 1px; border-color: transparent; }
.form .check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; align-items: start; font-weight: 500; font-size: 14.5px; }
.form .check input { min-height: 0; width: 20px; height: 20px; margin-top: 2px; accent-color: #C2612F; }
.result { display: grid; gap: 14px; padding: 18px; border-radius: 14px; border: 1px solid rgba(30, 122, 85, .35); background: #F1F8F4; color: var(--ink); }
.result pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-family: var(--mono); font-size: 13px; background: #fff; border: 1px solid var(--line-light); border-radius: 10px; padding: 12px; max-height: 260px; overflow: auto; }
.mailbox { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.mailbox code { font-family: var(--mono); font-size: 15px; padding: 8px 12px; border-radius: 10px; background: #fff; border: 1px solid var(--line-light); user-select: all; overflow-wrap: anywhere; }
.copy-btn { min-height: 40px; padding: 8px 14px; border-radius: 10px; border: 1px solid rgba(17, 24, 32, .25); background: transparent; color: var(--ink); font-weight: 700; cursor: pointer; }

/* Footer */
.foot { background: var(--obsidian); border-top: 1px solid var(--line-dark); padding-block: 48px 36px; }
.foot-in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 40px; align-items: start; }
.foot .brand img { height: 30px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.foot nav a { color: #C9CED5; text-decoration: none; font-size: 14.5px; font-weight: 600; }
.foot nav a:hover { color: var(--chalk); }
.foot-bottom { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; padding-top: 24px; border-top: 1px solid var(--line-dark); font-size: 13px; color: #8A939E; }
.legacy { font-style: italic; color: #C9CED5; }
.narrow { display: grid; gap: 14px; max-width: 760px; }
@media (max-width: 700px) { .foot-in { grid-template-columns: minmax(0, 1fr); } }

/* v5.1 additions: product-site sections, profiles, vision */
.with { display: grid; gap: 14px; align-content: start; }
.with h3 { font-size: 20px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; font-size: 16px; line-height: 1.5; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%; background: rgba(30, 122, 85, .12); border: 1px solid rgba(30, 122, 85, .45); }
.ticks li::after { content: ""; position: absolute; left: 5px; top: 8px; width: 5px; height: 8px; border: solid var(--ok-ink); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.ticks.small li { font-size: 14.5px; }
.sec:not(.light) .ticks li { color: #D4D9DF; }
.sec:not(.light) .ticks li::before { background: rgba(93, 190, 149, .12); border-color: rgba(93, 190, 149, .45); }
.sec:not(.light) .ticks li::after { border-color: var(--ok); }
.light .with { color: var(--ink); }
.grid-3.uc { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 980px) { .grid-3.uc { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid-3.uc { grid-template-columns: minmax(0, 1fr); } }
.found { margin-top: 20px; }
.light .note { color: #4A535E; }
.quotes .q { margin: 0; display: grid; gap: 18px; align-content: space-between; }
.quotes blockquote { margin: 0; font-size: 18px; line-height: 1.5; color: #E8EBEF; }
.quotes blockquote::before { content: "\201C"; display: block; font-size: 52px; line-height: .55; color: var(--copper-2); font-weight: 800; margin-bottom: 10px; }
.quotes figcaption { display: grid; gap: 2px; padding-top: 14px; border-top: 1px solid var(--line-dark); }
.quotes figcaption b { font-size: 15.5px; }
.quotes figcaption span { font-size: 13.5px; color: var(--mist); }
.faq { display: grid; gap: 10px; min-width: 0; }
.light .why { background: #FBFAF7; }
.person { position: relative; }
.person[data-profile] { cursor: pointer; transition: transform .18s ease, box-shadow .18s ease; }
.person[data-profile]:hover { transform: translateY(-2px); }
.person .more { margin-top: 4px; background: none; border: 1px solid rgba(240, 138, 81, .5); color: var(--copper-2); border-radius: 999px; padding: 7px 14px; font-weight: 700; font-size: 13.5px; cursor: pointer; }
.light .person .more { border-color: rgba(184, 92, 45, .45); color: #B85C2D; }
.light .person.card { padding-block: 28px; }
dialog.profile { width: min(680px, calc(100% - 32px)); max-height: 86vh; padding: 0; border: 1px solid var(--line-dark); border-radius: 18px; background: var(--obsidian-2); color: var(--chalk); box-shadow: 0 40px 100px rgba(0, 0, 0, .6); overflow: auto; }
dialog.profile::backdrop { background: rgba(5, 8, 12, .72); backdrop-filter: blur(4px); }
.pf-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 22px 22px 18px; border-bottom: 1px solid var(--line-dark); position: sticky; top: 0; background: var(--obsidian-2); }
.pf-head img { width: 72px; height: 72px; border-radius: 50%; box-shadow: 0 0 0 2px var(--obsidian-2), 0 0 0 4px rgba(240, 138, 81, .7); }
.pf-head h3 { font-size: 20px; }
.pf-head .role { color: var(--copper-2); font-weight: 700; font-size: 14px; }
.pf-close { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .04); color: var(--chalk); font-size: 22px; line-height: 1; cursor: pointer; }
.pf-body { padding: 20px 22px 24px; display: grid; gap: 14px; font-size: 15.5px; color: #D4D9DF; }
.pf-body .facts { margin-top: 4px; }
.path { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; counter-reset: none; }
.path li { display: grid; gap: 12px; align-content: start; padding: 18px; border-radius: 14px; background: #FBFAF7; border: 1px solid var(--line-light); position: relative; }
.path li.on { border-color: rgba(194, 97, 47, .45); background: #FFF6EF; }
.path .pn { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 14px; background: var(--ink); color: var(--chalk); }
.path li.on .pn { background: #C2612F; }
.path b { display: block; font-size: 16.5px; margin-bottom: 4px; }
.path span:not(.pn) { font-size: 14px; color: #4A535E; }
@media (max-width: 980px) { .path { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .path { grid-template-columns: minmax(0, 1fr); } }
.ticks li:not(.done)::after { display: none; }
.ticks li:not(.done)::before { width: 7px; height: 7px; top: 9px; left: 5px; border-radius: 2px; border: 0; background: var(--road); }
.sec:not(.light) .ticks li:not(.done)::before { background: var(--road); border: 0; }

/* v5.2: demo player */
.player { display: grid; gap: 14px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tabs button { display: grid; gap: 2px; text-align: left; padding: 10px 16px; border-radius: 12px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .03); color: var(--chalk); font-weight: 700; font-size: 15.5px; cursor: pointer; }
.tabs button span { font-size: 12.5px; font-weight: 600; color: var(--mist); }
.tabs button[aria-selected="true"] { border-color: rgba(240, 138, 81, .65); background: rgba(240, 138, 81, .1); }
.tabs button[aria-selected="true"] span { color: var(--copper-2); }
.pane-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; }
@media (max-width: 980px) { .pane-grid { grid-template-columns: minmax(0, 1fr); } }
.chapters { list-style: none; margin: 0; padding: 8px; display: grid; gap: 2px; border: 1px solid var(--line-dark); border-radius: 14px; background: rgba(248, 246, 241, .025); max-height: 520px; overflow: auto; }
.chapters button { width: 100%; display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 8px; text-align: start; padding: 9px 10px; border: 0; border-radius: 9px; background: transparent; color: #D4D9DF; font-size: 14px; line-height: 1.35; cursor: pointer; }
.chapters button:hover, .chapters button.on { background: rgba(240, 138, 81, .1); color: var(--chalk); }
.chapters button span { font-family: var(--mono); font-size: 12.5px; color: var(--copper-2); padding-top: 1px; }
.chapters[dir="rtl"] button { font-family: 'Noto Sans Arabic', 'Segoe UI', Tahoma, sans-serif; }
.player .video-meta { border: 1px solid var(--line-dark); border-radius: 12px; }

/* v5.4: founder glance + tech table */
.glance { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.glance div { display: grid; gap: 4px; padding: 14px; border-radius: 12px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .03); }
.glance b { font-size: 30px; line-height: 1; font-weight: 800; letter-spacing: -.03em; color: var(--copper-2); font-variant-numeric: tabular-nums; }
.glance span { font-size: 12.5px; line-height: 1.4; color: var(--mist); }
@media (max-width: 620px) { .glance { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.matrix.tech .row { grid-template-columns: 200px minmax(0, 1fr); }
.matrix.tech .row b { color: #B85C2D; font-size: 15px; }
@media (max-width: 820px) { .matrix.tech .row { grid-template-columns: minmax(0, 1fr); } }

/* v5.6: Why OpsBond page */
.shift { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 16px; margin-top: 8px; max-width: 980px !important; }
.shift .kind { display: block; font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--mist); margin-bottom: 10px; }
.shift .card.copper .kind { color: var(--copper-2); }
.shift p { font-size: clamp(18px, 1.8vw, 22px); line-height: 1.35; font-weight: 700; letter-spacing: -.01em; }
.shift .card:first-child p { color: #C3C9D1; }
@media (max-width: 760px) { .shift { grid-template-columns: minmax(0, 1fr); } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line-light); background: #FBFAF7; font-size: 14px; font-weight: 600; color: #2C343D; }
.stat-card { gap: 14px; }
.stat-card > p:not(.small) { font-size: 17px; color: #1F2730; }
.marks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.marks li { position: relative; padding-left: 22px; font-size: 16px; line-height: 1.5; color: #D4D9DF; }
.marks li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 8px; height: 8px; border-radius: 2px; background: var(--copper-2); }
.light .marks li { color: #2C343D; }
.light .marks li::before { background: #C2612F; }
.qs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 16px; }
.qs li { position: relative; padding-left: 20px; font-size: 14.5px; line-height: 1.45; color: #D4D9DF; }
.qs li::before { content: "?"; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--copper-2); }
@media (max-width: 480px) { .qs { grid-template-columns: minmax(0, 1fr); } }
.matrix.vs .row { grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1fr); }
.matrix.vs .row > span { font-size: 15px; color: #3A434E; }
.matrix.vs .row > span:last-child { color: var(--ink); font-weight: 600; }
.matrix.vs .row.hd > span { font-size: 11px; color: #5B6470; font-weight: 800; }
.matrix.vs .row.hd > span:last-child { color: #B85C2D; }
@media (max-width: 820px) {
  .matrix.vs .row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .matrix.vs .row > span[data-k]::before { content: attr(data-k) " · "; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: #6A737E; }
  .matrix.vs .row > span[data-k]:last-child::before { color: #B85C2D; }
}
.chain { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 34px; align-items: center; }
.chain li { position: relative; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .04); font-size: 14.5px; font-weight: 700; color: #D4D9DF; }
.chain li:not(:last-child)::after { content: "→"; position: absolute; right: -26px; top: 50%; transform: translateY(-50%); color: var(--mist); font-weight: 800; }
.chain li.gov { border-color: rgba(240, 138, 81, .55); background: rgba(217, 119, 69, .12); color: var(--chalk); }
.chain li.gov::after { color: var(--copper-2); }
.chain li.end { background: linear-gradient(180deg, var(--copper-2), var(--copper)); color: #140C07; border-color: transparent; }
@media (max-width: 640px) {
  .chain { flex-direction: column; align-items: stretch; gap: 22px; }
  .chain li:not(:last-child)::after { content: "↓"; right: auto; left: 18px; top: auto; bottom: -21px; transform: none; }
}
.key { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; background: rgba(217, 119, 69, .35); border: 1px solid rgba(240, 138, 81, .7); }
.neq { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.neq .t { display: grid; gap: 8px; align-content: start; padding: 18px; border-radius: 14px; background: #FBFAF7; border: 1px solid var(--line-light); }
.neq .t b { font-size: 17px; line-height: 1.3; letter-spacing: -.01em; }
.neq .t i { font-style: normal; color: #C2612F; padding-inline: 2px; }
.neq .t p { font-size: 14px; line-height: 1.5; color: #4A535E; }
@media (max-width: 980px) { .neq { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .neq { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .neq { grid-template-columns: minmax(0, 1fr); } }
.adv .n { justify-self: start; font-family: var(--mono); font-size: 12px; font-weight: 700; color: #B85C2D; border: 1px solid rgba(184, 92, 45, .4); border-radius: 8px; padding: 3px 8px; }
ul.bounds { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 12px; }
ul.bounds li b { font-size: 15.5px; }
ul.bounds li span { font-size: 14px; }
.sec:not(.light) .band.copper p { color: #D4D9DF; }
.teaser { margin-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; }
.teaser p { color: #C3C9D1; max-width: 46em; }
.light .teaser p { color: #3A434E; }
@media (min-width: 981px) {
  .chain { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px 34px; align-items: stretch; }
  .chain li { display: flex; align-items: center; min-height: 58px; }
  .chain li:nth-child(5n)::after { content: ""; }
}
.light .qs li { color: #2C343D; }
.light .qs li::before { color: #C2612F; }
.pre-thesis { font-size: clamp(22px, 2.6vw, 32px); line-height: 1.25; font-weight: 800; letter-spacing: -.02em; color: var(--ink); max-width: 30em; text-wrap: balance; }
.faq.deep { gap: 12px; }
.deep details.ev summary { font-size: 18px; padding: 20px 22px; }
.deep details.ev .in { gap: 18px; padding: 0 22px 24px; }
.deep .in .card, .deep .neq .t { background: #fff; }
.deep .in > p { color: #3A434E; font-size: 16px; }
@media (max-width: 600px) {
  .deep details.ev summary { padding: 16px 14px; font-size: 16.5px; }
  .deep details.ev .in { padding: 0 12px 16px; }
}

/* v5.8: enterprise motion layer (CSS-only where possible; all disabled under prefers-reduced-motion) */
body { font-feature-settings: "cv11", "ss01"; letter-spacing: -.006em; }
h1, h2 { letter-spacing: -.04em; }
h3 { letter-spacing: -.015em; }
.eyebrow, .st, .kind, .tag { font-feature-settings: normal; }

/* Hero entrance */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero-copy > * { animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
.hero-copy > *:nth-child(2) { animation-delay: .08s; }
.hero-copy > *:nth-child(3) { animation-delay: .16s; }
.hero-copy > *:nth-child(4) { animation-delay: .24s; }
.hero-copy > *:nth-child(5) { animation-delay: .32s; }
.phero .in > * { animation: rise .7s cubic-bezier(.2, .7, .2, 1) both; }
.phero .in > *:nth-child(2) { animation-delay: .07s; }
.phero .in > *:nth-child(3) { animation-delay: .14s; }
.phero .in > *:nth-child(4) { animation-delay: .21s; }

/* Hero flow lines: requests travelling from "Models propose" to "OpsBond governs" */
.flowlines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; overflow: visible; }
.flowlines .fl { fill: none; stroke: url(#flg); stroke-width: 1.2; vector-effect: non-scaling-stroke; stroke-dasharray: 2 6; }
.flowlines .pulse { fill: none; stroke: #F08A51; stroke-width: 2.2; stroke-linecap: round; vector-effect: non-scaling-stroke; stroke-dasharray: 26 600; stroke-dashoffset: 626; filter: drop-shadow(0 0 6px rgba(240, 138, 81, .9)); animation: travel 4.2s cubic-bezier(.45, 0, .25, 1) infinite; }
.flowlines .p2 { animation-delay: 1.4s; }
.flowlines .p3 { animation-delay: 2.8s; }
@keyframes travel { 0% { stroke-dashoffset: 626; opacity: 0; } 10% { opacity: 1; } 85% { opacity: 1; } 100% { stroke-dashoffset: 120; opacity: 0; } }
.flowlines .node { fill: #F08A51; filter: drop-shadow(0 0 10px rgba(240, 138, 81, .9)); animation: beat 2.8s ease-in-out infinite; transform-origin: 226px 236px; }
@keyframes beat { 0%, 100% { opacity: .55; transform: scale(1); } 50% { opacity: 1; transform: scale(1.35); } }

/* Faint system grid on dark sections */
.sec:not(.light)::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(248, 246, 241, .07) 1px, transparent 1.2px); background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000, transparent 75%); mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000, transparent 75%); }

/* Scroll reveal (only applied by JS to elements below the fold) */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }

/* Cursor spotlight on cards (pointer devices only) */
@media (hover: hover) and (pointer: fine) {
  .card { position: relative; }
  .card::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s ease;
    background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(240, 138, 81, .10), transparent 45%);
    -webkit-mask: linear-gradient(#000, #000); }
  .card:hover::after { opacity: 1; }
  .card:hover { border-color: rgba(240, 138, 81, .38); }
  .light .card:hover { border-color: rgba(194, 97, 47, .32); }
  .light .card::after { background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(194, 97, 47, .07), transparent 45%); }
  .card { transition: border-color .25s ease, transform .25s ease; }
}

/* Why page chain: a governed request moving step by step */
@keyframes stepglow { 0%, 9% { box-shadow: 0 0 0 1px rgba(240, 138, 81, .9), 0 0 24px rgba(240, 138, 81, .45); } 18%, 100% { box-shadow: none; } }
.chain li { animation: stepglow 8s ease-out infinite; }
.chain li:nth-child(2) { animation-delay: .7s; } .chain li:nth-child(3) { animation-delay: 1.4s; } .chain li:nth-child(4) { animation-delay: 2.1s; }
.chain li:nth-child(5) { animation-delay: 2.8s; } .chain li:nth-child(6) { animation-delay: 3.5s; } .chain li:nth-child(7) { animation-delay: 4.2s; }
.chain li:nth-child(8) { animation-delay: 4.9s; } .chain li:nth-child(9) { animation-delay: 5.6s; } .chain li:nth-child(10) { animation-delay: 6.3s; }

/* Buttons: subtle sheen */
.btn-copper { position: relative; overflow: hidden; }
.btn-copper::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s ease; }
.btn-copper:hover::after { transform: translateX(120%); }

/* 404 */
.nf { min-height: 60vh; display: grid; align-content: center; gap: 20px; }
.nf .code { font-family: var(--mono); color: var(--copper-2); font-weight: 700; letter-spacing: .1em; }

@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1 !important; transform: none !important; }
  .flowlines .pulse { display: none; }
}
.btn, .nav a, .pill { letter-spacing: 0; }

/* v5.9 polish */
p, li, dd, .lede { text-wrap: pretty; }
.eyebrow { font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; font-weight: 700; }
.sec:not(.light) .card { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06); }
.sec:not(.light) .card.raised { box-shadow: 0 30px 60px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .08); }
.flowlines .fl { stroke-width: 1.4; stroke-dasharray: 2 5; }
.flowlines .pulse { stroke-width: 2.8; stroke-dasharray: 44 600; filter: drop-shadow(0 0 8px rgba(240, 138, 81, 1)); }
.nav a { position: relative; transition: color .2s ease, background .2s ease; }
.nav a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1.5px; border-radius: 2px; background: var(--copper-2); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav a:hover::after { transform: scaleX(1); }
.nav a[aria-current="page"]::after { transform: scaleX(1); opacity: .8; }
.hdr.is-scrolled { box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.sec-head h2 + .lede, .sec-head h2 + p { margin-top: 2px; }

/* v5.13 methane */
.mt-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(28px, 4vw, 56px); align-items: center; position: relative; }
.mt-copy { display: grid; gap: 22px; align-content: center; min-width: 0; }
.mt-viz { margin: 0; min-width: 0; }
.mt-svg { display: block; width: 100%; height: auto; border-radius: 22px; box-shadow: 0 40px 80px rgba(0, 0, 0, .4), 0 0 0 1px rgba(248, 246, 241, .04); }
.mt-cap { margin-top: 10px; color: var(--mist); }
.mt-cards { margin-top: clamp(32px, 4vw, 52px); }
.mt-ico { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--copper-2); border: 1px solid rgba(240, 138, 81, .4); background: rgba(240, 138, 81, .08); }
.mt-ico svg { width: 22px; height: 22px; }
.light .mt-ico { color: #B85C2D; border-color: rgba(194, 97, 47, .35); background: rgba(194, 97, 47, .07); }
.mt-grat path { fill: none; stroke: rgba(248, 246, 241, .05); stroke-width: 1; }
.mt-grat .mt-eq { stroke: rgba(240, 138, 81, .16); stroke-dasharray: 3 6; }
.mt-land path { fill: #1B2733; stroke: rgba(163, 172, 183, .3); stroke-width: 1; stroke-linejoin: round; }
.mt-orbit { fill: none; stroke: rgba(240, 138, 81, .5); stroke-width: 1.2; stroke-dasharray: 3 6; stroke-linecap: round; }
.mt-leads path { fill: none; stroke: rgba(248, 246, 241, .35); stroke-width: .8; }
.mt-dot { fill: var(--copper-2); filter: drop-shadow(0 0 5px rgba(240, 138, 81, .95)); }
.mt-ring { fill: none; stroke: var(--copper-2); stroke-width: 1.4; opacity: 0; transform-box: fill-box; transform-origin: center; animation: mt-ring 3s ease-out infinite; animation-delay: var(--d, 0s); }
@keyframes mt-ring { 0% { transform: scale(.6); opacity: .9; } 100% { transform: scale(4.4); opacity: 0; } }
.mt-lbl { font-size: 15px; font-weight: 700; fill: var(--chalk); stroke: rgba(11, 15, 20, .9); stroke-width: 3.5px; paint-order: stroke; stroke-linejoin: round; letter-spacing: .01em; }
.mt-tag { font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: .14em; fill: var(--mist); }
.mt-frame { stroke: rgba(248, 246, 241, .12); }
.mt-scan { animation: mt-scan 9s linear infinite; }
.mt-scan-l { fill: var(--copper-2); opacity: .75; }
@keyframes mt-scan { 0% { transform: translateX(0); opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } 100% { transform: translateX(710px); opacity: 0; } }
.mt-sat { transform: translate(28px, 232px); filter: drop-shadow(0 0 6px rgba(240, 138, 81, .6)); }
.mt-sat-b { fill: var(--chalk); }
.mt-sat-p { fill: var(--copper-2); }
.mt-sat-a { fill: none; stroke: var(--chalk); stroke-width: 1.2; stroke-linecap: round; }
@supports (offset-path: path("M0 0")) {
  .mt-sat { transform: none; offset-path: path("M28 232 Q330 -120 612 232"); offset-rotate: 0deg; offset-distance: 0%; animation: mt-orbit 22s linear infinite; }
}
@keyframes mt-orbit { 0% { offset-distance: 0%; opacity: 0; } 6% { opacity: 1; } 94% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }
@media (max-width: 900px) { .mt-wrap { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) {
  .mt-lbl { font-size: 20px; stroke-width: 4.5px; }
  .mt-tag { font-size: 13px; }
  .mt-svg { border-radius: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .mt-scan { display: none; }
  .mt-ring { animation: none; opacity: .35; transform: scale(2.4); }
  .mt-sat { animation: none; offset-distance: 40%; opacity: 1; }
}

/* methane page */
.mt-src { display: grid; gap: 12px; align-content: start; }
.mt-src-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; }
.mt-attrib { font-family: var(--mono); font-size: 13px; line-height: 1.5; color: #D9DDE2; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line-dark); background: rgba(248, 246, 241, .04); overflow-wrap: anywhere; }
.mt-site { display: grid; gap: 6px; align-content: start; }
.mt-site h3 { display: flex; align-items: center; gap: 10px; }
.mt-site h3::before { content: ""; flex: none; width: 9px; height: 9px; border-radius: 50%; background: #C2612F; box-shadow: 0 0 0 4px rgba(194, 97, 47, .16); }
.mt-fine { font-size: 14px; color: #C3C9D1; max-width: 46em; }
.light .mt-fine { color: #4A535E; }
.mt-cta-note { font-size: 13.5px; color: var(--mist); }
.mt-getgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 760px) { .mt-getgrid { grid-template-columns: minmax(0, 1fr); } }