/* Finetune the World — house styles */
:root {
  --paper: #f3f0e8;
  --paper-2: #ebe7dc;
  --ink: #15140f;
  --ink-2: #3b3a33;
  --muted: #6d6b60;
  --rule: #d4cfc1;
  --accent: #d6451b;
  --accent-ink: #a8320f;
  --ok: #2f6b3a;
  --night: #121210;
  --night-2: #1c1b17;
  --night-rule: #34322b;
  --night-text: #e9e5d9;
  --night-muted: #9b978a;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14130f; --paper-2: #1b1a15; --ink: #ece8dc; --ink-2: #c9c5b8; --muted: #8f8b7e;
    --rule: #2f2d26; --accent: #ef6a3e; --accent-ink: #ff8a5f; --ok: #6fb07b;
    --night: #0c0c0a; --night-2: #16150f; --night-rule: #2c2a23;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--sans); font-feature-settings: "ss02";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 99; }

/* type */
h1, h2, h3, h4 { font-weight: 400; margin: 0; letter-spacing: -0.01em; }
.display { font-family: var(--serif); font-size: clamp(46px, 8.2vw, 112px); line-height: 0.95; letter-spacing: -0.025em; }
.display em, .h2 em, h1 em { font-style: italic; color: var(--accent); }
.h1 { font-family: var(--serif); font-size: clamp(40px, 6vw, 76px); line-height: 1; letter-spacing: -0.02em; }
.h2 { font-family: var(--serif); font-size: clamp(32px, 4.4vw, 54px); line-height: 1.04; letter-spacing: -0.015em; }
.h3 { font-family: var(--sans); font-size: 20px; font-weight: 500; line-height: 1.3; }
.lede { font-size: clamp(19px, 1.9vw, 23px); line-height: 1.5; color: var(--ink-2); max-width: 40ch; }
.eyebrow { font: 500 12px/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--accent); display: inline-block; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* header */
.site-head { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 500 16px/1 var(--sans); letter-spacing: -0.01em; }
.brand svg { width: 26px; height: 26px; }
.brand span { white-space: nowrap; }
.brand i { font-style: normal; color: var(--muted); font-weight: 400; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { box-shadow: inset 0 -1px 0 var(--ink); }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 2px; font: 500 15px/1 var(--sans); text-decoration: none; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; transition: background .2s, color .2s, transform .2s; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.sm { padding: 9px 14px; font-size: 14px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--rule); padding: 8px 10px; font: 500 13px var(--mono); color: var(--ink); border-radius: 2px; }
@media (max-width: 920px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--rule); flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 20px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--rule); }
  .nav .btn { margin-top: 14px; justify-content: center; }
  .menu-toggle { display: block; }
}

/* sections */
section { padding: clamp(64px, 9vw, 128px) 0; }
.rule-top { border-top: 1px solid var(--rule); }
.night { background: var(--night); color: var(--night-text); --rule: var(--night-rule); --muted: var(--night-muted); --ink-2: #cfcabd; }
.night a:hover { color: #ff8a5f; }
.night .btn { background: var(--night-text); color: var(--night); border-color: var(--night-text); }
.night .btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.night .btn.ghost { background: transparent; color: var(--night-text); }
.tint { background: var(--paper-2); }

.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.sec-head { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; margin-bottom: clamp(40px, 5vw, 72px); align-items: end; }
.sec-head .eyebrow { grid-column: 1 / span 3; align-self: start; padding-top: 10px; }
.sec-head .h2 { grid-column: 4 / span 6; }
.sec-head p { grid-column: 4 / span 6; margin: 18px 0 0; color: var(--ink-2); font-size: 18px; }
@media (max-width: 820px) {
  .sec-head { display: block; }
  .sec-head .h2 { margin-top: 18px; }
}

/* hero */
.hero { padding: clamp(56px, 8vw, 110px) 0 0; overflow: hidden; }
.hero-top { display: grid; grid-template-columns: 1fr; gap: 28px; }
.hero .lede { margin: 0; }
.hero-row { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: end; margin-top: 36px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-meta { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 22px; font: 400 13px var(--mono); color: var(--muted); }
.hero-meta b { color: var(--ink); font-weight: 500; }
@media (max-width: 900px) { .hero-row { grid-template-columns: 1fr; } }

/* training run console */
.console { background: var(--night); color: var(--night-text); border-radius: 4px; font: 400 12.5px/1.55 var(--mono); box-shadow: 0 1px 0 var(--rule), 0 30px 60px -30px rgba(20, 18, 10, .45); overflow: hidden; }
.console-bar { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid #2c2a23; color: #9b978a; font-size: 11.5px; }
.console-bar .dot { width: 7px; height: 7px; border-radius: 50%; background: #4bbf6b; display: inline-block; margin-right: 8px; box-shadow: 0 0 0 3px rgba(75, 191, 107, .15); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(75, 191, 107, 0); } }
.console-body { padding: 16px 16px 6px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.console .k { color: #8f8b7e; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.console .v { font-size: 20px; color: #f3efe3; letter-spacing: -0.01em; }
.console .v small { font-size: 12px; color: #4bbf6b; margin-left: 6px; }
.console .chart { grid-column: 1 / -1; border-top: 1px solid #2c2a23; padding-top: 12px; }
.console .chart svg { width: 100%; height: auto; }
.console-log { border-top: 1px solid #2c2a23; padding: 10px 16px 14px; color: #9b978a; height: 96px; overflow: hidden; }
.console-log div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.console-log .ok { color: #4bbf6b; }
.console-log .hl { color: #ff8a5f; }

/* logo strip (described, not named) */
.clients { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin-top: clamp(56px, 7vw, 96px); }
.clients .wrap { display: grid; grid-template-columns: 200px repeat(5, 1fr); }
.clients .lbl { font: 500 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 22px 0; align-self: center; }
.clients .c { border-left: 1px solid var(--rule); padding: 22px 18px; font-size: 14px; line-height: 1.35; color: var(--ink-2); }
.clients .c b { display: block; font-family: var(--serif); font-weight: 400; font-size: 22px; color: var(--ink); letter-spacing: -0.01em; }
@media (max-width: 900px) {
  .clients .wrap { grid-template-columns: 1fr 1fr; }
  .clients .lbl { grid-column: 1 / -1; padding-bottom: 6px; }
  .clients .c { border-left: 0; border-top: 1px solid var(--rule); padding: 16px 0; }
  .clients .c:nth-of-type(even) { padding-left: 16px; border-left: 1px solid var(--rule); }
}

/* stat band */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); }
.stat { padding: 28px 24px 8px 0; border-right: 1px solid var(--rule); }
.stat:last-child { border-right: 0; }
.stat + .stat { padding-left: 24px; }
.stat .n { font-family: var(--serif); font-size: clamp(44px, 5.6vw, 76px); line-height: 1; letter-spacing: -0.03em; }
.stat .n sup { font-size: .45em; vertical-align: top; position: relative; top: .3em; color: var(--accent); }
.stat p { margin: 12px 0 0; font-size: 15px; color: var(--ink-2); max-width: 26ch; }
@media (max-width: 820px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { border-right: 0; padding-left: 0 !important; border-bottom: 1px solid var(--rule); padding-bottom: 22px; }
  .stat:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: 16px; }
  .stat:nth-child(even) { padding-left: 16px !important; }
}

/* service index (editorial list, not cards) */
.svc-list { border-top: 1px solid var(--ink); }
.svc { display: grid; grid-template-columns: 70px 1.2fr 1.6fr 160px; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--rule); text-decoration: none; align-items: start; transition: background .25s; }
.svc:hover { color: inherit; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 6%, transparent)); }
.svc .no { font: 400 13px var(--mono); color: var(--muted); padding-top: 8px; }
.svc h3 { font-family: var(--serif); font-size: clamp(28px, 3vw, 38px); line-height: 1.05; }
.svc p { margin: 4px 0 0; color: var(--ink-2); }
.svc .meta { font: 400 12.5px/1.7 var(--mono); color: var(--muted); text-align: right; padding-top: 8px; }
.svc .meta b { color: var(--ink); font-weight: 500; }
.svc:hover h3 { color: var(--accent-ink); }
@media (max-width: 820px) {
  .svc { grid-template-columns: 44px 1fr; }
  .svc p, .svc .meta { grid-column: 2; text-align: left; }
  .svc .meta { padding-top: 0; }
}

/* process timeline */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--rule); counter-reset: step; }
.step { padding: 24px 22px 0 0; position: relative; }
.step::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; background: var(--paper); border: 1px solid var(--ink); border-radius: 50%; }
.night .step::before { background: var(--night); border-color: var(--night-text); }
.step:first-child::before { background: var(--accent); border-color: var(--accent); }
.step .wk { font: 500 12px var(--mono); color: var(--accent); letter-spacing: .04em; }
.step h3 { font-family: var(--serif); font-size: 28px; margin: 8px 0 10px; line-height: 1.05; }
.step p { margin: 0 0 10px; font-size: 15px; color: var(--ink-2); }
.step ul { list-style: none; padding: 0; margin: 14px 0 0; font: 400 12.5px/1.8 var(--mono); color: var(--muted); }
.step ul li::before { content: "→ "; color: var(--accent); }
@media (max-width: 900px) {
  .timeline { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--rule); padding-left: 22px; }
  .step { padding: 0 0 30px; }
  .step::before { left: -27px; top: 4px; }
}

/* feature split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.split.rev > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split.rev > :first-child { order: 0; } }
.checks { list-style: none; padding: 0; margin: 26px 0 0; border-top: 1px solid var(--rule); }
.checks li { padding: 14px 0 14px 30px; border-bottom: 1px solid var(--rule); position: relative; color: var(--ink-2); }
.checks li::before { content: ""; position: absolute; left: 0; top: 22px; width: 14px; height: 1px; background: var(--accent); }
.checks li b { color: var(--ink); font-weight: 500; }

/* eval table */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 3px; background: var(--paper); }
.night .table-wrap { background: var(--night-2); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font: 500 11.5px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: color-mix(in srgb, var(--rule) 25%, transparent); }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.win td { background: color-mix(in srgb, var(--accent) 7%, transparent); }
tr.win td:first-child { box-shadow: inset 3px 0 0 var(--accent); font-weight: 500; }
tr:last-child td { border-bottom: 0; }
.bar { display: inline-block; height: 6px; background: var(--ink); vertical-align: middle; margin-right: 8px; border-radius: 1px; }
tr.win .bar { background: var(--accent); }
.caption { font: 400 12.5px/1.6 var(--mono); color: var(--muted); margin-top: 12px; }

/* case studies */
.cases { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 0; border-top: 1px solid var(--ink); }
.case { padding: 28px 28px 30px 0; border-right: 1px solid var(--rule); display: flex; flex-direction: column; }
.case + .case { padding-left: 28px; }
.case:last-child { border-right: 0; }
.case .who { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.case h3 { font-family: var(--serif); font-size: 30px; line-height: 1.08; margin: 14px 0 14px; }
.case:first-child h3 { font-size: 40px; }
.case p { color: var(--ink-2); margin: 0 0 20px; font-size: 16px; }
.case .nums { margin-top: auto; display: flex; gap: 26px; border-top: 1px solid var(--rule); padding-top: 16px; }
.case .nums div { font: 400 12px/1.4 var(--mono); color: var(--muted); }
.case .nums b { display: block; font-family: var(--serif); font-weight: 400; font-size: 32px; color: var(--ink); letter-spacing: -0.02em; }
@media (max-width: 960px) {
  .cases { grid-template-columns: 1fr; }
  .case { border-right: 0; border-bottom: 1px solid var(--rule); padding: 26px 0 !important; }
}

/* pricing */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--ink); }
.plan { padding: 28px 24px 30px; border-right: 1px solid var(--rule); display: flex; flex-direction: column; }
.plan:last-child { border-right: 0; }
.plan.feat { background: var(--night); color: var(--night-text); --rule: var(--night-rule); --muted: var(--night-muted); --ink-2: #cfcabd; }
.plan .tag { font: 500 11.5px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); display: flex; justify-content: space-between; }
.plan.feat .tag span:last-child { color: #ff8a5f; }
.plan h3 { font-family: var(--serif); font-size: 34px; margin: 16px 0 6px; }
.plan .price { font-family: var(--serif); font-size: 46px; letter-spacing: -0.02em; line-height: 1; margin: 18px 0 4px; }
.plan .price small { font: 400 13px var(--mono); color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.plan .sub { font-size: 14.5px; color: var(--ink-2); min-height: 66px; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 26px; font-size: 14.5px; border-top: 1px solid var(--rule); }
.plan li { padding: 10px 0; border-bottom: 1px solid var(--rule); color: var(--ink-2); }
.plan .btn { margin-top: auto; justify-content: center; }
.plan.feat .btn { background: var(--accent); border-color: var(--accent); color: #fff; }
.plan.feat .btn:hover { background: #fff; color: var(--night); border-color: #fff; }
@media (max-width: 1060px) { .plans { grid-template-columns: 1fr 1fr; } .plan:nth-child(2) { border-right: 0; } .plan:nth-child(-n+2) { border-bottom: 1px solid var(--rule); } }
@media (max-width: 620px) { .plans { grid-template-columns: 1fr; } .plan { border-right: 0 !important; border-bottom: 1px solid var(--rule); } }

/* calculator */
.calc { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--rule); background: var(--paper); }
.night .calc { background: var(--night-2); }
.calc-in { padding: 28px; border-right: 1px solid var(--rule); }
.calc-out { padding: 28px; display: flex; flex-direction: column; gap: 18px; }
.field { margin-bottom: 22px; }
.field label { display: flex; justify-content: space-between; font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.field label output { color: var(--ink); font-size: 14px; letter-spacing: 0; text-transform: none; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.calc-out .big { font-family: var(--serif); font-size: clamp(48px, 6vw, 72px); letter-spacing: -0.03em; line-height: 1; color: var(--accent); }
.calc-row { display: flex; justify-content: space-between; border-bottom: 1px solid var(--rule); padding: 10px 0; font-size: 15px; }
.calc-row span:last-child { font-family: var(--mono); }
@media (max-width: 820px) { .calc { grid-template-columns: 1fr; } .calc-in { border-right: 0; border-bottom: 1px solid var(--rule); } }

/* quote */
.quote { font-family: var(--serif); font-size: clamp(30px, 3.8vw, 50px); line-height: 1.12; letter-spacing: -0.015em; max-width: 24ch; margin: 0; }
.quote::before { content: "“"; color: var(--accent); }
.quote::after { content: "”"; color: var(--accent); }
.cite { margin-top: 24px; font: 400 13px var(--mono); color: var(--muted); }

/* FAQ */
.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative; font-size: 19px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 300 26px var(--sans); color: var(--muted); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--accent); }
.faq .a { padding: 0 0 24px; color: var(--ink-2); max-width: 70ch; }
.faq .a p { margin: 0 0 12px; }

/* CTA band */
.cta-band { background: var(--accent); color: #fff; padding: clamp(56px, 7vw, 96px) 0; }
.cta-band .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; }
.cta-band .h2 em { color: var(--ink); color: #1b0f08; }
.cta-band p { font-size: 18px; margin: 0 0 22px; max-width: 42ch; color: #fff3ec; }
.cta-band .btn { background: #15140f; border-color: #15140f; color: #fff; }
.cta-band .btn:hover { background: #fff; color: #15140f; border-color: #fff; }
@media (max-width: 820px) { .cta-band .wrap { grid-template-columns: 1fr; } }

/* footer */
.site-foot { background: var(--night); color: var(--night-muted); padding: 72px 0 36px; font-size: 14.5px; }
.site-foot a { text-decoration: none; color: #cfcabd; }
.site-foot a:hover { color: #fff; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 28px; padding-bottom: 48px; border-bottom: 1px solid #2c2a23; }
.foot-grid h4 { font: 500 11.5px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: #8f8b7e; margin-bottom: 14px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 9px; }
.foot-brand p { max-width: 34ch; margin: 18px 0 0; }
.foot-brand .brand { color: #f3efe3; }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font: 400 12.5px var(--mono); }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

/* page header (inner pages) */
.page-head { padding: clamp(48px, 7vw, 96px) 0 clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--rule); }
.crumbs { font: 400 12.5px var(--mono); color: var(--muted); margin-bottom: 28px; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.crumbs span { margin: 0 8px; }
.page-head .lede { margin-top: 24px; max-width: 52ch; }
.page-head .h1 { max-width: 18ch; }

/* article */
.article { display: grid; grid-template-columns: 220px minmax(0, 720px) 1fr; gap: 56px; padding-top: 56px; padding-bottom: 96px; }
.toc { position: sticky; top: 96px; align-self: start; font-size: 14px; }
.toc h2 { font: 500 11.5px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 14px; }
.toc ol { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--rule); }
.toc li a { display: block; padding: 6px 0 6px 14px; text-decoration: none; color: var(--ink-2); margin-left: -1px; border-left: 1px solid transparent; }
.toc li a:hover { border-left-color: var(--accent); color: var(--ink); }
.prose { font-size: 18px; line-height: 1.7; }
.prose > p:first-child { font-size: 21px; line-height: 1.55; color: var(--ink); }
.prose h2 { font-family: var(--serif); font-size: clamp(30px, 3.4vw, 40px); line-height: 1.1; margin: 56px 0 18px; scroll-margin-top: 90px; }
.prose h3 { font-size: 20px; font-weight: 600; margin: 34px 0 10px; }
.prose p, .prose ul, .prose ol { margin: 0 0 20px; color: var(--ink-2); }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose code { font: 400 0.86em var(--mono); background: var(--paper-2); padding: 2px 5px; border-radius: 2px; }
.prose table { font-size: 15px; margin: 8px 0 28px; }
.prose .table-wrap { margin: 8px 0 28px; }
.prose .table-wrap table { margin: 0; }
.prose blockquote { margin: 30px 0; padding: 4px 0 4px 22px; border-left: 2px solid var(--accent); font-family: var(--serif); font-size: 26px; line-height: 1.25; color: var(--ink); }
.callout { border: 1px solid var(--rule); background: var(--paper-2); padding: 20px 22px; margin: 28px 0; font-size: 16px; }
.callout b { font: 500 11.5px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent-ink); display: block; margin-bottom: 6px; }
.callout p { margin: 0; }
.aside-cta { position: sticky; top: 96px; align-self: start; border-top: 2px solid var(--ink); padding-top: 18px; font-size: 15px; }
.aside-cta p { color: var(--ink-2); margin: 10px 0 18px; }
.byline { font: 400 13px var(--mono); color: var(--muted); margin-top: 24px; display: flex; gap: 18px; flex-wrap: wrap; }
@media (max-width: 1100px) { .article { grid-template-columns: 200px minmax(0, 1fr); } .aside-cta { display: none; } }
@media (max-width: 800px) { .article { grid-template-columns: 1fr; gap: 24px; padding-top: 36px; } .toc { position: static; } }

/* guide index */
.guide-list { border-top: 1px solid var(--ink); }
.guide-row { display: grid; grid-template-columns: 140px 1fr 200px; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
.guide-row:hover { color: inherit; }
.guide-row:hover h2 { color: var(--accent-ink); }
.guide-row .k { font: 400 12.5px var(--mono); color: var(--muted); padding-top: 8px; }
.guide-row h2 { font-family: var(--serif); font-size: clamp(26px, 2.6vw, 34px); line-height: 1.1; }
.guide-row p { margin: 8px 0 0; color: var(--ink-2); }
@media (max-width: 760px) { .guide-row { grid-template-columns: 1fr; gap: 6px; } .guide-row .k:last-child { display: none; } }

/* glossary */
.gloss { columns: 2; column-gap: 56px; }
.gloss dt { font-family: var(--serif); font-size: 26px; margin-top: 4px; break-after: avoid; scroll-margin-top: 90px; }
.gloss dd { margin: 4px 0 26px; color: var(--ink-2); break-inside: avoid; }
@media (max-width: 820px) { .gloss { columns: 1; } }
.alpha { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 40px; }
.alpha a { font: 500 13px var(--mono); padding: 6px 10px; border: 1px solid var(--rule); text-decoration: none; }

/* contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(32px, 6vw, 96px); padding-top: 56px; padding-bottom: 110px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
form.lead { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
form.lead .full { grid-column: 1 / -1; }
@media (max-width: 620px) { form.lead { grid-template-columns: 1fr; } }
form.lead label { display: block; font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }
form.lead input, form.lead select, form.lead textarea {
  width: 100%; font: 400 16px/1.4 var(--sans); color: var(--ink); background: transparent;
  border: 0; border-bottom: 1px solid var(--ink-2); border-radius: 0; padding: 10px 0; appearance: none;
}
form.lead select { background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 12px) 18px, calc(100% - 7px) 18px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 26px; }
form.lead select option { color: #15140f; }
form.lead textarea { min-height: 130px; resize: vertical; border: 1px solid var(--ink-2); padding: 12px; }
form.lead input:focus, form.lead select:focus, form.lead textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 1px 0 var(--accent); }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { margin: 0; text-transform: none; letter-spacing: 0; font: 400 14px var(--sans); color: var(--ink-2); }
.chips input { position: absolute; opacity: 0; width: 1px; }
.chips span { display: inline-block; padding: 8px 13px; border: 1px solid var(--rule); border-radius: 2px; cursor: pointer; transition: all .15s; }
.chips input:checked + span { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chips input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.form-status { grid-column: 1 / -1; font-size: 15px; min-height: 22px; }
.form-status.err { color: #b3261e; }
.form-ok { border-top: 2px solid var(--ok); padding: 28px 0; }
.form-ok h2 { font-family: var(--serif); font-size: 40px; margin-bottom: 10px; }
.form-ok p { color: var(--ink-2); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* mini CTA strip on inner pages */
.next-steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.next-steps a { padding: 24px 24px 26px 0; border-right: 1px solid var(--rule); text-decoration: none; }
.next-steps a + a { padding-left: 24px; }
.next-steps a:last-child { border-right: 0; }
.next-steps span { font: 400 12px var(--mono); color: var(--muted); }
.next-steps b { display: block; font-family: var(--serif); font-weight: 400; font-size: 26px; margin-top: 8px; line-height: 1.1; }
.next-steps a:hover b { color: var(--accent-ink); }
@media (max-width: 760px) { .next-steps { grid-template-columns: 1fr; } .next-steps a { border-right: 0; border-bottom: 1px solid var(--rule); padding: 20px 0 !important; } }

/* diagram helpers */
.figure { border: 1px solid var(--rule); background: var(--paper); padding: 20px; }
.night .figure { background: var(--night-2); }
.figure figcaption { font: 400 12.5px/1.6 var(--mono); color: var(--muted); margin-top: 14px; }
.svg-ink { stroke: var(--ink); }
.svg-fill-ink { fill: var(--ink); }
.svg-muted { fill: var(--muted); }
.svg-rule { stroke: var(--rule); }
.svg-accent { stroke: var(--accent); }
.svg-fill-accent { fill: var(--accent); }
.svg-paper { fill: var(--paper); }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .console-bar .dot { animation: none; } }
.two-col { columns: 2; column-gap: 48px; }
@media (max-width: 760px) { .two-col { columns: 1; } }
.kv { display: grid; grid-template-columns: 180px 1fr; border-top: 1px solid var(--rule); }
.kv > div { padding: 14px 0; border-bottom: 1px solid var(--rule); }
.kv > div:nth-child(odd) { font: 500 12.5px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; padding-top: 17px; }
@media (max-width: 620px) { .kv { grid-template-columns: 1fr; } .kv > div:nth-child(odd) { border-bottom: 0; padding-bottom: 0; } }

/* grid children must be allowed to shrink below their content's min width */
.hero-row > *, .split > *, .grid-12 > *, .sec-head > *, .calc > *, .contact-grid > *, .article > *, .cases > *, .svc > * { min-width: 0; }
html, body { overflow-x: clip; }
@media (max-width: 620px) { .console-body { grid-template-columns: 1fr 1fr; } .console .v { font-size: 17px; } .display { font-size: clamp(40px, 11vw, 60px); } }
.nav a.btn { color: var(--paper); }
.nav a.btn:hover { color: #fff; }