/* MasterMNG public site. Static, no scripts; served with a strict CSP (style-src 'self'). */

@font-face {
  font-family: "Inter";
  src: url("/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink-950: #06090f;
  --ink-900: #0a0e16;
  --ink-850: #0e1420;
  --ink-800: #131a28;
  --ink-line: rgba(214, 224, 245, 0.09);
  --ink-line-strong: rgba(214, 224, 245, 0.16);
  --on-ink: #eef2fa;
  --on-ink-2: #aab4c7;
  --on-ink-3: #7c879b;

  --paper: #f5f4f0;
  --paper-2: #ecebe5;
  --paper-card: #ffffff;
  --paper-line: #dcdad2;
  --paper-line-soft: #ebe9e3;
  --text: #0c1220;
  --text-2: #465063;
  --text-3: #6b7486;

  --cobalt: #2f5bd3;
  --cobalt-on-ink: #86a8ff;
  --signal: #f2b544;
  --signal-deep: #8a5a00;
  --ok: #23875a;
  --ok-on-ink: #5ad19a;

  --radius: 14px;
  --wrap: 1180px;
  --gutter: 24px;
  --header-h: 68px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font);
  font-feature-settings: "cv05", "cv11", "ss03";
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.022em; line-height: 1.12; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code { font-family: var(--mono); font-size: .9em; padding: .1em .35em; border-radius: 5px; background: rgba(12,18,32,.06); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -48px; z-index: 50; padding: 8px 14px; border-radius: 8px; background: var(--on-ink); color: var(--ink-900); font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; border-radius: 6px; }
.on-ink :focus-visible, .masthead :focus-visible, .footer :focus-visible { outline-color: var(--cobalt-on-ink); }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.i { width: 16px; height: 16px; flex: none; }

/* ---------- Masthead ---------- */
.masthead {
  position: sticky; top: 0; z-index: 30;
  background: rgba(10, 14, 22, 0.9);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--ink-line);
  color: var(--on-ink);
}
.masthead__row { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--on-ink); flex: none; }
.brand__mark { width: 26px; height: 26px; fill: var(--cobalt-on-ink); }
.brand__word { font-size: 18px; font-weight: 650; letter-spacing: -0.02em; }
.brand__word span { color: var(--cobalt-on-ink); }
.nav { display: flex; gap: 22px; margin-left: 6px; }
.nav a, .link-quiet { color: var(--on-ink-2); text-decoration: none; font-size: 14.5px; font-weight: 500; transition: color .15s; white-space: nowrap; }
.nav a:hover, .link-quiet:hover, .nav a[aria-current="page"] { color: var(--on-ink); }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--cobalt-on-ink); text-underline-offset: 8px; text-decoration-thickness: 2px; }
.masthead__actions { display: flex; align-items: center; gap: 18px; margin-left: auto; }

/* Mobile navigation (details/summary, no script) */
.mnav { display: none; position: relative; }
.mnav summary { list-style: none; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--ink-line-strong); color: var(--on-ink); font-size: 14.5px; font-weight: 600; cursor: pointer; }
.mnav summary::-webkit-details-marker { display: none; }
.mnav__bars { display: grid; gap: 4px; width: 16px; }
.mnav__bars i { display: block; height: 2px; border-radius: 2px; background: currentColor; }
.mnav[open] summary { background: rgba(255,255,255,.06); }
.mnav__panel {
  position: absolute; right: 0; top: calc(100% + 10px); width: min(88vw, 340px);
  padding: 10px; border-radius: 16px; border: 1px solid var(--ink-line-strong);
  background: var(--ink-850); box-shadow: 0 30px 60px -20px rgba(0,0,0,.7);
}
.mnav__panel a { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-radius: 10px; color: var(--on-ink); text-decoration: none; font-size: 15.5px; font-weight: 500; }
.mnav__panel a:hover, .mnav__panel a[aria-current="page"] { background: rgba(255,255,255,.06); }
.mnav__panel a[aria-current="page"]::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cobalt-on-ink); }
.mnav__panel hr { border: 0; border-top: 1px solid var(--ink-line); margin: 8px 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 12px;
  font-size: 15.5px; font-weight: 600; letter-spacing: -0.005em; text-decoration: none;
  border: 1px solid transparent; transition: background .15s, border-color .15s;
}
.btn--sm { min-height: 38px; padding: 0 15px; font-size: 14px; border-radius: 10px; }
.btn--primary { background: var(--cobalt); color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 8px 24px -10px rgba(47, 91, 211, .8); }
.btn--primary:hover { background: #3a67e0; }
.btn--ghost { color: var(--on-ink); border-color: var(--ink-line-strong); background: rgba(255,255,255,.03); }
.btn--ghost:hover { background: rgba(255,255,255,.07); }
.btn--line { color: var(--text); border-color: var(--paper-line); background: var(--paper-card); }
.btn--line:hover { border-color: #c6c3b8; }
.btn .i { transition: transform .15s; }
.btn:hover .i { transform: translateX(2px); }
.textlink { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--cobalt); text-decoration: none; }
.textlink:hover { text-decoration: underline; text-underline-offset: 3px; }
.on-ink .textlink { color: var(--cobalt-on-ink); }

/* ---------- Type helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 600; letter-spacing: 0.01em; color: var(--cobalt);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.on-ink .eyebrow, .phero .eyebrow, .section--ink .eyebrow, .closing__panel .eyebrow, .contact__card .eyebrow { color: var(--cobalt-on-ink); }
.section--ink .lede, .phero .fineprint { color: var(--on-ink-2); }
.phero .fineprint a { color: var(--on-ink); text-underline-offset: 3px; }
.section--ink .textlink, .pair .textlink { color: var(--cobalt-on-ink); }
.eyebrow--signal { color: var(--signal) !important; padding: 6px 12px 6px 10px; border: 1px solid rgba(242, 181, 68, .35); border-radius: 999px; background: rgba(242, 181, 68, .07); }
.eyebrow--signal::before { background: var(--signal); box-shadow: 0 0 0 4px rgba(242,181,68,.16); width: 7px; height: 7px; }
.h1 { font-size: clamp(36px, 5vw, 64px); letter-spacing: -0.036em; line-height: 1.04; text-wrap: balance; }
.h2 { font-size: clamp(28px, 3.6vw, 44px); letter-spacing: -0.03em; line-height: 1.08; max-width: 30ch; text-wrap: balance; }
.h3 { font-size: 21px; letter-spacing: -0.018em; }
.lede { margin-top: 22px; max-width: 62ch; font-size: 18.5px; line-height: 1.62; color: var(--text-2); }
.on-ink .lede { color: var(--on-ink-2); }
.muted-ink { color: var(--on-ink-3); }
.fineprint { margin-top: 16px; font-size: 14px; color: var(--text-3); }
.on-ink .fineprint { color: var(--on-ink-3); }
.on-ink .fineprint a { color: var(--on-ink-2); text-underline-offset: 3px; }

/* ---------- Surfaces ---------- */
.on-ink { background: var(--ink-900); color: var(--on-ink); }
.section { padding: 104px 0; }
.section--tight { padding: 72px 0; }
.section--mist { background: var(--paper-2); }
.section--ink { background: var(--ink-900); color: var(--on-ink); }
.rule-top { border-top: 1px solid var(--paper-line); }

/* Page hero (all pages) */
.phero {
  position: relative; overflow: hidden;
  padding: 88px 0 80px;
  background:
    radial-gradient(900px 460px at 82% -10%, rgba(47, 91, 211, .22), transparent 60%),
    radial-gradient(700px 400px at -10% 30%, rgba(47, 91, 211, .07), transparent 60%),
    var(--ink-900);
  color: var(--on-ink);
}
.phero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--ink-line) 1px, transparent 1px), linear-gradient(90deg, var(--ink-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 20%, transparent 75%);
  opacity: .45;
}
.phero > .wrap { position: relative; z-index: 1; }
.phero .lede { color: var(--on-ink-2); }
.phero--home { padding: 72px 0 0; }
.phero__crumb { font-size: 14px; color: var(--on-ink-3); margin-bottom: 18px; }
.phero__crumb a { color: var(--on-ink-2); text-decoration: none; }
.phero__crumb a:hover { color: var(--on-ink); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Home hero */
.home-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 64px; align-items: start; margin-top: 30px; }
.facts { border-top: 1px solid var(--ink-line-strong); }
.facts li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--ink-line); font-size: 15px; }
.facts .k { color: var(--on-ink-3); font-weight: 500; }
.facts .k--signal { color: var(--signal); }
.hero-shot { margin-top: 64px; position: relative; }
.hero-shot .frame { border-bottom-left-radius: 0; border-bottom-right-radius: 0; border-bottom: 0; }

/* Product frames */
.frame {
  margin: 0; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--ink-line-strong);
  background: var(--ink-950);
  box-shadow: 0 0 0 1px rgba(0,0,0,.25), 0 40px 100px -50px rgba(47, 91, 211, .55), 0 26px 50px -30px rgba(0,0,0,.55);
}
.frame img { width: 100%; }
.chrome { display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--ink-line); background: var(--ink-850); }
.chrome i { width: 10px; height: 10px; border-radius: 50%; background: #2a3242; }
.chrome span { margin-left: 10px; font-size: 12.5px; color: var(--on-ink-3); }
.caption { margin-top: 12px; font-size: 13.5px; color: var(--text-3); }
.on-ink .caption { color: var(--on-ink-3); }
.provenance { margin-top: 14px; font-size: 13.5px; color: var(--on-ink-3); text-align: center; }

/* Route cards (home) */
.routes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
.route {
  display: flex; flex-direction: column; gap: 10px; padding: 26px 26px 24px; border-radius: var(--radius);
  background: var(--paper-card); border: 1px solid var(--paper-line); text-decoration: none; color: var(--text);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.route:hover { border-color: #c1bdb1; transform: translateY(-2px); box-shadow: 0 14px 30px -20px rgba(12,18,32,.35); }
.route__k { font-family: var(--mono); font-size: 12.5px; color: var(--text-3); }
.route h3 { font-size: 20px; letter-spacing: -0.016em; }
.route p { color: var(--text-2); font-size: 15.5px; }
.route__go { margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--cobalt); font-size: 15px; }
.route--signal { border-color: #e7c88a; background: linear-gradient(180deg, #fffaf0, #fff); }

/* Distinction pair */
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }
.pair__card { padding: 34px 32px; border-radius: 18px; border: 1px solid var(--ink-line-strong); background: var(--ink-850); }
.pair__card h3 { font-size: 24px; letter-spacing: -0.02em; }
.pair__card p { margin-top: 14px; color: var(--on-ink-2); font-size: 16px; }
.pair__card--signal { border-color: rgba(242,181,68,.35); background: linear-gradient(180deg, rgba(242,181,68,.06), rgba(242,181,68,0) 60%), var(--ink-850); }
.pair__card--signal h3 { color: #ffe3a8; }

/* Feature blocks (product) */
.feature { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 64px; align-items: center; padding: 96px 0; border-top: 1px solid var(--paper-line); }
.feature:first-of-type { border-top: 0; }
.feature--flip .feature__copy { order: 2; }
.feature__copy .h2 { font-size: clamp(26px, 3vw, 38px); }
.feature__copy p { margin-top: 16px; color: var(--text-2); font-size: 16.5px; }
.checks { margin-top: 22px; display: grid; gap: 10px; }
.checks li { display: grid; grid-template-columns: 18px 1fr; gap: 12px; font-size: 15.5px; color: var(--text-2); }
.checks .i { margin-top: 4px; color: var(--ok); }
.on-ink .checks li { color: var(--on-ink-2); }
.on-ink .checks .i { color: var(--ok-on-ink); }
.badge { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; border: 1px solid var(--paper-line); color: var(--text-2); background: var(--paper-card); }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cobalt); }
.badge--signal::before { background: var(--signal); }

/* Steps (how it works) */
.steps { counter-reset: s; }
.step { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: start; padding: 72px 0; border-top: 1px solid var(--ink-line); }
.step:first-child { border-top: 0; padding-top: 24px; }
.step__n { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; border: 1px solid var(--ink-line-strong); font-family: var(--mono); color: var(--cobalt-on-ink); margin-bottom: 20px; }
.step__who { font-size: 13.5px; font-weight: 600; color: var(--on-ink-3); margin-bottom: 10px; }
.step__who b { color: var(--on-ink); font-weight: 600; }
.step h3 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.026em; }
.step p { margin-top: 14px; color: var(--on-ink-2); font-size: 16.5px; }
.step--signal .step__n { color: var(--signal); border-color: rgba(242,181,68,.45); }
.step--signal .step__who b { color: var(--signal); }
.step__note { margin-top: 18px; padding: 14px 16px; border-left: 2px solid var(--ink-line-strong); color: var(--on-ink-3); font-size: 14.5px; }

/* Cards, tables, status */
.cards3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 44px; }
.cards2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 44px; }
.card { padding: 28px 26px; border-radius: var(--radius); background: var(--paper-card); border: 1px solid var(--paper-line); }
.card h3 { font-size: 19px; letter-spacing: -0.015em; }
.card p { margin-top: 10px; color: var(--text-2); font-size: 15.5px; }
.card .checks { margin-top: 14px; }
.card--signal { border-color: #e7c88a; background: linear-gradient(180deg, #fffaf0, #fff); }
.table-wrap { margin-top: 36px; overflow-x: auto; border: 1px solid var(--paper-line); border-radius: var(--radius); background: var(--paper-card); }
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
.tbl caption { text-align: left; padding: 18px 20px 6px; font-weight: 600; font-size: 15px; }
.tbl th, .tbl td { text-align: left; padding: 14px 20px; border-top: 1px solid var(--paper-line-soft); vertical-align: top; }
.tbl thead th { font-size: 12.5px; font-weight: 600; color: var(--text-3); text-transform: none; letter-spacing: .01em; border-top: 0; }
.tbl td:first-child { color: var(--text); font-weight: 500; }
.tbl td { color: var(--text-2); }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag--ok { color: var(--ok); background: #e8f5ee; }
.tag--wip { color: var(--signal-deep); background: #fdf2da; }
.tag--none { color: var(--text-3); background: #efeee9; }
.rules { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 30px; }
.rules li { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; }
.rules .i { color: var(--ok); }
.callout { margin-top: 36px; padding: 22px 24px; border-radius: var(--radius); border: 1px solid #e7c88a; background: #fffaf0; color: var(--text-2); font-size: 15.5px; }
.callout strong { color: var(--text); }

/* Prose (docs, company, security details) */
.prose { max-width: 72ch; }
.prose h2 { font-size: 28px; letter-spacing: -0.024em; margin: 56px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 19px; margin: 32px 0 10px; }
.prose p { margin: 12px 0; color: var(--text-2); font-size: 16.5px; }
.prose ul, .prose ol { margin: 12px 0 12px 1.3em; color: var(--text-2); font-size: 16.5px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 6px 0; padding-left: 4px; }
.prose a { color: var(--cobalt); text-underline-offset: 3px; }
.prose strong { color: var(--text); }

/* Docs layout */
.docs { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px; padding-top: 64px; padding-bottom: 104px; }
.docs__side { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.docs__side h2 { font-size: 12.5px; font-weight: 600; letter-spacing: .02em; color: var(--text-3); margin: 22px 0 8px; }
.docs__side h2:first-child { margin-top: 0; }
.docs__side a { display: block; padding: 7px 12px; margin: 0 -12px; border-radius: 8px; color: var(--text-2); text-decoration: none; font-size: 15px; }
.docs__side a:hover { background: var(--paper-2); color: var(--text); }
.docs__side a[aria-current="page"] { background: var(--paper-card); color: var(--text); font-weight: 600; box-shadow: inset 2px 0 0 var(--cobalt); }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--paper-line); }
.pager a { display: flex; flex-direction: column; gap: 2px; text-decoration: none; color: var(--text); font-weight: 600; }
.pager a span { font-size: 13px; font-weight: 500; color: var(--text-3); }
.pager a:last-child { text-align: right; margin-left: auto; }
.numlist { counter-reset: n; margin-top: 28px; display: grid; gap: 14px; }
.numlist li { counter-increment: n; display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 20px 22px; border-radius: var(--radius); background: var(--paper-card); border: 1px solid var(--paper-line); }
.numlist li::before { content: counter(n); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--paper-2); font-family: var(--mono); font-size: 14px; color: var(--cobalt); }
.numlist h3 { font-size: 17.5px; }
.numlist p { margin-top: 6px; color: var(--text-2); font-size: 15.5px; }
.numlist a { color: var(--cobalt); text-underline-offset: 3px; }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.contact__card { padding: 32px; border-radius: 18px; background: var(--ink-900); color: var(--on-ink); }
.contact__card h3 { font-size: 22px; }
.contact__card p { margin-top: 10px; color: var(--on-ink-2); }
.contact__mail { display: inline-flex; margin-top: 22px; font-size: 20px; font-weight: 600; color: #fff; text-decoration: none; border-bottom: 2px solid var(--cobalt-on-ink); padding-bottom: 2px; }
.contact__mail:hover { color: var(--cobalt-on-ink); }
.contact .checks .textlink { display: inline; }

/* Closing CTA */
.closing__panel {
  display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 40px; align-items: end;
  padding: 52px; border-radius: 22px; border: 1px solid var(--ink-line-strong);
  background: radial-gradient(600px 300px at 100% 0%, rgba(47, 91, 211, .25), transparent 70%), var(--ink-850);
  color: var(--on-ink);
}
.closing__panel .lede { color: var(--on-ink-2); }
.closing__actions { display: flex; flex-direction: column; gap: 12px; }

/* Footer */
.footer { padding: 64px 0 56px; background: var(--ink-950); color: var(--on-ink-3); font-size: 14.5px; }
.footer__grid { display: grid; grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr)); gap: 32px 40px; }
.footer__tag { margin-top: 12px; max-width: 30ch; }
.footer h2 { font-size: 13px; font-weight: 600; letter-spacing: .02em; color: var(--on-ink-2); margin-bottom: 12px; }
.footer ul { display: grid; gap: 8px; }
.footer a { color: var(--on-ink-3); text-decoration: none; }
.footer a:hover { color: var(--on-ink); }
.footer__legal { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; margin-top: 12px; border-top: 1px solid var(--ink-line); }

.mt-48 { margin-top: 48px; }

/* 404 */
.notfound { padding: 120px 0 160px; }

/* ---------- Responsive ---------- */
@media (max-width: 1120px) {
  .nav { display: none; }
  .mnav { display: block; }
  .masthead__actions .btn--sm { display: none; }
}
@media (max-width: 1020px) {
  .home-grid, .feature, .step, .contact { grid-template-columns: 1fr; gap: 40px; }
  .feature--flip .feature__copy { order: 0; }
  .routes, .cards3 { grid-template-columns: 1fr 1fr; }
  .pair, .cards2 { grid-template-columns: 1fr; }
  .docs { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 40px; }
  .docs__side { position: static; display: flex; flex-wrap: wrap; gap: 6px; }
  .docs__side h2 { width: 100%; margin: 12px 0 2px; }
  .docs__side a { margin: 0; border: 1px solid var(--paper-line); background: var(--paper-card); padding: 6px 12px; font-size: 14px; }
  .closing__panel { grid-template-columns: 1fr; padding: 40px; }
  .closing__actions { flex-direction: row; flex-wrap: wrap; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --header-h: 60px; }
  .masthead__row { gap: 12px; }
  .masthead__actions { gap: 12px; }
  .brand__word { font-size: 17px; }
  .phero { padding: 56px 0 56px; }
  .phero--home { padding: 48px 0 0; }
  .lede { font-size: 17px; }
  .cta-row .btn { width: 100%; }
  .facts li { grid-template-columns: 96px 1fr; font-size: 14.5px; }
  .hero-shot { margin-top: 44px; }
  .section { padding: 72px 0; }
  .feature { padding: 64px 0; }
  .step { padding: 56px 0; }
  .routes, .cards3 { grid-template-columns: 1fr; }
  .rules { flex-direction: column; }
  .closing__panel { padding: 28px 22px; }
  .closing__actions .btn { width: 100%; }
  .footer__grid { grid-template-columns: 1fr; }
  .contact__card { padding: 24px; }
  .contact__mail { font-size: 18px; }
}
@media (max-width: 380px) {
  .masthead .link-quiet { display: none; }
}