/* BotFlow Dev — botflowdev.com
   Tokens mirror the BotFlow Host design system (Forest & Stone) with the
   family data-site="dev" overrides: system font stacks, ink dark bands. */
:root {
  --paper: #E9E7DE; --paper-2: #EFEDE4; --surface: #F7F6F0;
  --line: #D3CFC0; --line-strong: #B9B4A0;
  --ink: #14261C; --ink-2: #3B4A3F;
  --ink-3: #5C6055; /* darkened from #6E7266 so small muted text passes 4.5:1 on stone */
  --teal-900: #14402C; --teal-700: #2A6B4F; --teal-500: #3F8B67; --teal-100: #DDE7DC; --teal-050: #E7EDE4;
  --clay-600: #BE5B34; --cta-hover: #A54A28;
  --amber-600: #8A6212; --amber-100: #F1E6C9;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --fs-h3: 1.25rem; --fs-lg: 1.125rem; --fs-base: 1rem; --fs-sm: 0.9375rem; --fs-xs: 0.8125rem; --fs-eyebrow: 0.75rem;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --section-y: clamp(56px, 4vw + 40px, 104px); --gutter: clamp(20px, 4vw, 48px); --maxw: 1160px;
  --r-sm: 4px; --r-md: 8px; --r-lg: 12px; --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(23,33,28,.04);
  --shadow-md: 0 1px 3px rgba(23,33,28,.06), 0 6px 16px rgba(23,33,28,.05);
  --ease: cubic-bezier(.2,.6,.2,1); --dur: 180ms;
  --site-band: var(--ink); --site-mark: var(--teal-700);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; font-family: var(--font-sans); font-size: var(--fs-base); line-height: 1.55; color: var(--ink-2); background: var(--paper); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; letter-spacing: -0.02em; font-weight: 600; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--teal-700); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--teal-900); }
p a, li a.inline { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
svg.i { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 2px solid var(--teal-700); outline-offset: 3px; border-radius: 4px; }
.band :focus-visible { outline-color: #9FD3C6; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--r-md); font-weight: 600; }
.skip:focus { top: 12px; color: #fff; }
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
section { scroll-margin-top: 84px; }

/* Nav */
header.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 90%, transparent); -webkit-backdrop-filter: saturate(1.2) blur(10px); backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: var(--sp-5); min-height: 68px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); white-space: nowrap; flex: none; font-size: 1.0625rem; letter-spacing: -0.01em; }
.brand:hover { color: var(--ink); }
.brand img { width: 30px; height: 30px; display: block; }
.brand b { font-weight: 700; }
.brand .dev { font-family: var(--font-mono); font-weight: 500; color: var(--site-mark); margin-left: 6px; letter-spacing: 0; }
.nav-links { display: flex; align-items: center; gap: var(--sp-5); margin-left: auto; }
.nav-links a { font-size: var(--fs-sm); color: var(--ink-2); font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { flex: none; }
.nav-cta .btn { white-space: nowrap; }
@media (max-width: 1100px) { .nav-links { gap: 18px; } .nav-inner { gap: 18px; } }
.nav-toggle { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 var(--fs-base)/1.2 var(--font-sans); border-radius: var(--r-md); border: 1px solid transparent; cursor: pointer; padding: 12px 20px; text-align: center; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--clay-600); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--cta-hover); color: #fff; }
.btn-secondary { background: transparent; color: var(--teal-900); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--teal-700); background: var(--teal-050); color: var(--teal-900); }
.btn-sm { padding: 9px 14px; font-size: var(--fs-base); }
.btn-lg { padding: 15px 24px; font-size: var(--fs-lg); }

/* Shared */
.eyebrow-row { display: flex; align-items: center; gap: 10px; margin-bottom: var(--sp-4); }
.eyebrow-row .rule { height: 1px; width: 34px; background: var(--teal-700); opacity: .5; flex: none; }
.eyebrow { font-family: var(--font-mono); font-size: var(--fs-eyebrow); font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-700); }
.lead { font-size: var(--fs-lg); color: var(--ink-2); line-height: 1.65; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); }
.kicker { font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500; letter-spacing: .06em; color: var(--teal-700); text-transform: uppercase; }
.sec { padding: var(--section-y) 0; }
.sec.alt { background: var(--paper-2); border-block: 1px solid var(--line); }
.sec-head { max-width: 62ch; margin-bottom: var(--sp-7); }
.sec-head h2, .h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
.sec-head p { margin-top: var(--sp-4); }
.grid { display: grid; gap: var(--sp-4); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ico { width: 40px; height: 40px; border-radius: var(--r-md); background: var(--teal-050); color: var(--teal-700); display: grid; place-items: center; flex: none; }
.ico svg.i { width: 20px; height: 20px; }
.note { font-size: var(--fs-sm); color: var(--ink-3); line-height: 1.6; }

/* Hero */
.hero { padding: clamp(40px, 6vw, 88px) 0 var(--section-y); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 1.5rem + 3.2vw, 3.7rem); line-height: 1.12; max-width: 16ch; }
.hero .lead { margin-top: var(--sp-5); max-width: 54ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--sp-6); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid var(--line); max-width: 54ch; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-3); }

/* Journey illustration */
.journey { padding: var(--sp-5); }
.journey-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: var(--sp-5); }
.journey-head b { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: .6875rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; padding: 4px 9px; border-radius: var(--r-pill); background: var(--paper-2); color: var(--ink-3); border: 1px solid var(--line); white-space: nowrap; }
.steps { position: relative; display: flex; flex-direction: column; gap: 14px; }
.steps::before { content: ""; position: absolute; left: 13px; top: 14px; bottom: 14px; width: 1px; background: var(--line-strong); }
.step { position: relative; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; align-items: start; }
.step .dot { width: 28px; height: 28px; border-radius: 50%; background: var(--surface); border: 1px solid var(--line-strong); display: grid; place-items: center; font-family: var(--font-mono); font-size: .6875rem; color: var(--teal-700); font-weight: 600; z-index: 1; }
.step .lbl { font-family: var(--font-mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin: 5px 0 6px; }
.msg { font-size: var(--fs-sm); line-height: 1.45; padding: 9px 12px; border-radius: 10px; max-width: 92%; }
.msg.bot { background: var(--paper); border: 1px solid var(--line); color: var(--ink); border-top-left-radius: 3px; }
.msg.user { background: var(--teal-050); border: 1px solid var(--teal-100); color: var(--ink); margin-left: auto; border-top-right-radius: 3px; width: fit-content; }
.sys { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px dashed var(--line-strong); border-radius: var(--r-md); font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-2); flex-wrap: wrap; }
.sys svg.i { width: 15px; height: 15px; color: var(--teal-700); }
.journey-foot { margin-top: var(--sp-5); padding-top: var(--sp-4); border-top: 1px solid var(--line); font-size: var(--fs-xs); color: var(--ink-3); }

/* Services */
.svc { padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-4); height: 100%; }
.svc-top { display: flex; align-items: center; gap: 14px; }
.svc h3 { font-size: var(--fs-h3); }
.svc .desc { color: var(--ink-2); }
.svc .block { border-top: 1px solid var(--line); padding-top: var(--sp-4); display: flex; flex-direction: column; gap: 8px; }
.svc .block p { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.6; }
.checks { display: flex; flex-direction: column; gap: 8px; }
.checks li { display: flex; gap: 10px; font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.45; }
.checks svg.i { width: 16px; height: 16px; color: var(--teal-700); margin-top: 2px; }
.after-grid { margin-top: var(--sp-6); max-width: 70ch; }

/* Approach (dark band) */
.band { background: var(--site-band); color: #E4ECE7; padding: var(--section-y) 0; }
.band h2 { color: #fff; }
.band .eyebrow { color: #9FD3C6; }
.band .eyebrow-row .rule { background: #9FD3C6; }
.band .lead { color: #C9D6CF; }
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: s; }
.flow li { position: relative; padding: var(--sp-5); border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); display: flex; flex-direction: column; gap: 10px; }
.flow li + li { border-left: 0; }
.flow li:first-child { border-radius: var(--r-md) 0 0 var(--r-md); }
.flow li:last-child { border-radius: 0 var(--r-md) var(--r-md) 0; }
.flow li:not(:last-child)::after { content: ""; position: absolute; right: -7px; top: 50%; width: 12px; height: 12px; background: var(--site-band); border-top: 1px solid rgba(255,255,255,.35); border-right: 1px solid rgba(255,255,255,.35); transform: translateY(-50%) rotate(45deg); z-index: 1; }
.flow .n { font-family: var(--font-mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; color: #9FD3C6; }
.flow h3 { color: #fff; font-size: 1.0625rem; }
.flow p { font-size: var(--fs-sm); color: #C9D6CF; line-height: 1.55; }
.band-note { margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid rgba(255,255,255,.16); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5); }
.band-note p { font-size: var(--fs-sm); color: #C9D6CF; line-height: 1.6; }
.band-note strong { color: #fff; font-weight: 600; }

/* Platforms */
.plat { padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-4); }
.plat h3 { font-size: var(--fs-h3); }
.plat .rows { display: flex; flex-direction: column; }
.plat .row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); font-size: var(--fs-sm); }
.plat .row dt { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); padding-top: 2px; }
.plat .row dd { margin: 0; color: var(--ink-2); line-height: 1.55; }
.disclaim { margin-top: var(--sp-5); display: flex; gap: 10px; max-width: 80ch; }
.disclaim svg.i { color: var(--ink-3); margin-top: 2px; width: 16px; height: 16px; }

.ai { margin-top: var(--sp-4); padding: var(--sp-5) var(--sp-6); display: flex; gap: var(--sp-4); align-items: flex-start; }
.ai h3 { font-size: 1.0625rem; }
.ai p { margin-top: 6px; font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.6; max-width: 80ch; }
.form-status.ok { padding: 10px 12px; border-radius: var(--r-md); background: var(--teal-050); border: 1px solid var(--teal-100); color: var(--ink); }

/* Host relationship */
.host { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: var(--sp-6); padding: var(--sp-6); align-items: center; }
.host h2 { font-size: clamp(1.375rem, 1.15rem + 1vw, 1.75rem); margin-top: var(--sp-3); }
.host p { margin-top: var(--sp-4); color: var(--ink-2); }
.host .side { border-left: 1px solid var(--line); padding-left: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-5); align-items: flex-start; }
.split { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.split div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; font-size: var(--fs-sm); padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--paper); }
.split b { font-family: var(--font-mono); font-size: var(--fs-xs); font-weight: 500; color: var(--teal-700); letter-spacing: .04em; padding-top: 2px; }
.split span { color: var(--ink-2); }

/* About */
.about { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.profile { padding: var(--sp-5); display: flex; gap: var(--sp-4); align-items: center; }
.avatar { width: 56px; height: 56px; border-radius: var(--r-md); background: var(--ink); color: #fff; display: grid; place-items: center; font-family: var(--font-mono); font-size: 20px; font-weight: 600; flex: none; }
.profile .name { font-size: var(--fs-h3); font-weight: 600; color: var(--ink); }
.profile .role { font-size: var(--fs-sm); color: var(--ink-3); }
.about-copy { display: flex; flex-direction: column; gap: var(--sp-4); }
.about-copy p { font-size: var(--fs-lg); line-height: 1.65; }
.textlink { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.textlink svg.i { width: 16px; height: 16px; }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(28px, 4vw, 64px); align-items: start; }
.contact-intro { display: flex; flex-direction: column; gap: var(--sp-4); }
.form { padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-5); }
.preview-flag { display: flex; gap: 10px; padding: 12px 14px; border: 1px dashed var(--amber-600); background: var(--amber-100); border-radius: var(--r-md); font-size: var(--fs-sm); color: #4A3A10; line-height: 1.5; }
.preview-flag svg.i { color: var(--amber-600); margin-top: 1px; }
.preview-flag strong { font-weight: 600; color: #3A2C08; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--ink); }
.field .opt { font-weight: 400; color: var(--ink-3); }
.field input, .field select, .field textarea { font: inherit; font-size: var(--fs-base); color: var(--ink); background: #fff; border: 1px solid var(--line-strong); border-radius: var(--r-md); padding: 11px 12px; width: 100%; min-height: 44px; transition: border-color var(--dur) var(--ease); }
.field textarea { min-height: 140px; resize: vertical; line-height: 1.5; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%233B4A3F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 38px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ink-3); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--teal-700); outline-offset: 1px; border-color: var(--teal-700); }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); }
.form-status { font-size: var(--fs-sm); color: #4A3A10; }
.form-status:empty { display: none; }
.form-status.show { padding: 10px 12px; border-radius: var(--r-md); background: var(--amber-100); border: 1px solid #E2CF9C; }

/* Footer */
footer.ft { background: var(--paper-2); border-top: 1px solid var(--line); padding: var(--sp-8) 0 var(--sp-6); }
.ft-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--sp-6); }
.ft .brand { margin-bottom: var(--sp-4); }
.ft p { font-size: var(--fs-sm); color: var(--ink-3); max-width: 40ch; line-height: 1.6; }
.ft h2 { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: var(--sp-4); }
.ft ul { display: flex; flex-direction: column; gap: 10px; }
.ft ul a { font-size: var(--fs-sm); color: var(--ink-2); }
.ft ul a:hover { color: var(--ink); }
.ft-bottom { margin-top: var(--sp-7); padding-top: var(--sp-5); border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: var(--fs-xs); color: var(--ink-3); }
.ft-bottom a { color: var(--ink-3); text-decoration: underline; text-underline-offset: 3px; }

/* Legal page */
.legal-hero { padding: clamp(40px, 6vw, 72px) 0 var(--sp-6); border-bottom: 1px solid var(--line); }
.legal-hero h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem); line-height: 1.15; }
.legal-hero .lead { margin-top: var(--sp-4); max-width: 62ch; }
.legal { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); padding-block: var(--sp-7) var(--section-y); }
.toc { position: sticky; top: 92px; align-self: start; display: flex; flex-direction: column; gap: 4px; }
.toc .kicker { margin-bottom: 8px; color: var(--ink-3); }
.toc a { font-size: var(--fs-sm); color: var(--ink-2); padding: 4px 0; }
.prose { max-width: 68ch; display: flex; flex-direction: column; }
.prose section { padding: var(--sp-6) 0; border-top: 1px solid var(--line); scroll-margin-top: 90px; }
.prose section:first-child { border-top: 0; padding-top: 0; }
.prose h2 { font-size: 1.375rem; margin-bottom: var(--sp-4); }
.prose p + p, .prose p + ul, .prose ul + p { margin-top: var(--sp-4); }
.prose ul { display: flex; flex-direction: column; gap: 8px; }
.prose ul li { position: relative; padding-left: 20px; }
.prose ul li::before { content: ""; position: absolute; left: 2px; top: .7em; width: 8px; height: 1px; background: var(--teal-700); }
.ph { background: var(--amber-100); color: #4A3A10; border: 1px dashed var(--amber-600); border-radius: var(--r-sm); padding: 1px 6px; font-family: var(--font-mono); font-size: .875em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.ph-key { display: flex; gap: 10px; align-items: flex-start; margin-top: var(--sp-5); max-width: 62ch; font-size: var(--fs-sm); color: var(--ink-2); }

/* Guides */
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: var(--fs-xs); color: var(--ink-3); margin-bottom: var(--sp-4); }
.crumbs a { color: var(--ink-3); text-decoration: underline; text-underline-offset: 3px; }
.crumbs span[aria-hidden] { color: var(--line-strong); }
.art-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: var(--sp-4); font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-3); }
.gcards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-4); }
.gcard { display: flex; flex-direction: column; gap: 10px; padding: var(--sp-5); height: 100%; color: inherit; transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.gcard:hover { box-shadow: var(--shadow-md); border-color: var(--line-strong); color: inherit; }
.gcard h2, .gcard h3 { font-size: 1.0625rem; line-height: 1.35; }
.gcard p { font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.55; }
.gcard .more { margin-top: auto; padding-top: 6px; font-size: var(--fs-sm); font-weight: 600; color: var(--teal-700); display: inline-flex; align-items: center; gap: 6px; }
.gcard .more svg.i { width: 15px; height: 15px; }
.sec-foot { margin-top: var(--sp-6); }
.prose h3 { font-size: 1.0625rem; margin: var(--sp-5) 0 var(--sp-3); }
.prose strong { color: var(--ink); font-weight: 600; }
.cta-box { margin-top: var(--sp-6); padding: var(--sp-5) var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3); align-items: flex-start; }
.cta-box h2 { font-size: 1.25rem; margin: 0; }
.cta-box p { color: var(--ink-2); }
.cta-box .row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--sp-2); }
.related { margin-top: var(--sp-7); }
.related > h2 { font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; margin-bottom: var(--sp-4); }
.related .gcards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
/* About proofs */
.proofs { display: flex; flex-direction: column; }
.proofs li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.proofs li:last-child { border-bottom: 0; }
.proofs .num { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--teal-700); padding-top: 3px; flex: none; width: 26px; }
.proofs .txt { color: var(--ink-2); }
.proofs .txt strong { color: var(--ink); font-weight: 600; }
.profile-col { display: flex; flex-direction: column; gap: var(--sp-4); }
.profile .meta { margin-top: var(--sp-3); display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--ink-2); }
/* 404 */
.nf { padding: clamp(64px, 10vw, 140px) 0; max-width: 62ch; }
.nf h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem); margin-top: var(--sp-3); }
.nf p { margin-top: var(--sp-4); }
.nf .row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--sp-6); }
@media (max-width: 900px) { .gcards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .gcards, .related .gcards { grid-template-columns: minmax(0, 1fr); } .cta-box { padding: var(--sp-5); } }

.span-2 { grid-column: 1 / -1; }
.svc-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5); }
.flow.five { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.clients { margin-top: var(--sp-7); padding: var(--sp-6); display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 4px var(--sp-6); align-items: start; }
.clients h3 { font-size: var(--fs-h3); grid-column: 1; }
.clients .note { grid-column: 1; font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; }
.clients ul { grid-column: 2; grid-row: 1 / span 2; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--sp-5); }
.clients li { padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.next { display: flex; flex-direction: column; gap: 10px; margin-top: var(--sp-2); padding: var(--sp-4) 0; border-block: 1px solid var(--line); }
.next ol { display: flex; flex-direction: column; gap: 10px; }
.next li { display: flex; gap: 12px; font-size: var(--fs-sm); color: var(--ink-2); line-height: 1.5; }
.next .n { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--teal-700); padding-top: 2px; flex: none; }
.next strong { color: var(--ink); font-weight: 600; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .about, .contact, .host, .ft-grid, .legal { grid-template-columns: minmax(0, 1fr); }
  .host .side { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: var(--sp-5); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .flow li, .flow li + li { border: 1px solid rgba(255,255,255,.18); border-radius: var(--r-md) !important; }
  .flow li::after { display: none; }
  .band-note { grid-template-columns: minmax(0, 1fr); }
  .flow.five { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow.five li:last-child { grid-column: 1 / -1; }
  .clients { grid-template-columns: minmax(0, 1fr); }
  .clients ul { grid-column: 1; grid-row: auto; margin-top: var(--sp-3); }
  .toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 4px 16px; padding-bottom: var(--sp-5); border-bottom: 1px solid var(--line); }
  .toc .kicker { width: 100%; }
  .js .nav-links { display: none; }
  .js .nav-links.open { display: flex; position: absolute; top: 100%; left: calc(var(--gutter) * -1); right: calc(var(--gutter) * -1); flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 16px; box-shadow: var(--shadow-md); }
  .js .nav-links.open a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-base); }
  .js .nav-toggle { display: inline-grid; place-items: center; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: var(--r-md); background: transparent; color: var(--ink); cursor: pointer; flex: none; }
  .js .nav-toggle svg.i { width: 20px; height: 20px; }
  html:not(.js) .nav-inner { flex-wrap: wrap; padding-block: 12px; }
  html:not(.js) .nav-links { margin-left: 0; flex-wrap: wrap; gap: 8px 16px; order: 3; width: 100%; }
}
@media (max-width: 620px) {
  .g-2, .fields, .flow, .flow.five, .svc-cols { grid-template-columns: minmax(0, 1fr); }
  .clients { padding: var(--sp-5); }
  .field { grid-column: 1 / -1; }
  .nav-cta { display: none; }
  .hero-ctas .btn { width: 100%; }
  .svc, .plat, .host, .form { padding: var(--sp-5); }
  .plat .row { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .split div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .profile { align-items: flex-start; }
  .ai { padding: var(--sp-5); flex-direction: column; }
}
@media (max-width: 360px) {
  .brand { font-size: 1rem; gap: 8px; }
  .brand img { width: 26px; height: 26px; }
  .journey { padding: var(--sp-4); }
  .journey-head { flex-direction: column; align-items: flex-start; }
}