/* ClankerHigh site styles.
   Plain CSS, no build step. Light theme only: off-white page, white sheet,
   hairline dividers, monospace labels, light-weight display type. */

:root {
  --page: #f0f0f0;
  --sheet: #ffffff;
  --panel: #fafaf9;
  --text: #1a1918;
  --text-2: #4a4947;
  --muted: #757370;
  --line: #e2e1de;
  --line-strong: #1a1918;
  --accent: #ff6e3e;
  --accent-ink: #d84f1f;
  --grid-line: #e4e3df;

  --sans: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --sheet-max: 1200px;
  --pad: 48px;
  --radius: 2px;
  --nav-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1px 6px;
}
b, strong { font-weight: 500; }

:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }

/* ---------- Sheet ---------- */

.sheet {
  width: 100%;
  max-width: var(--sheet-max);
  margin: 0 auto;
  background: var(--sheet);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.sheet > main { flex: 1; }

.pad { padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- Type ---------- */

.mono {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
}

.display {
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.02;
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  text-wrap: balance;
}
.display u {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.1em;
  text-decoration-color: var(--text);
}
.title {
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  text-wrap: balance;
}
.lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-2);
  max-width: 560px;
}
.muted { color: var(--muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
}
.eyebrow .idx {
  display: inline-grid;
  place-items: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}
.eyebrow.plain { color: var(--muted); }
.eyebrow .dot,
.stage-caption .dot {
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 4px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn svg { width: 14px; height: 14px; flex: none; }
.btn-solid { background: var(--text); color: #fff; }
.btn-solid:hover { background: #333230; border-color: #333230; }
.btn-outline { background: transparent; color: var(--text); }
.btn-outline:hover { background: var(--panel); }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn-ghost-light { background: transparent; border-color: rgba(255,255,255,0.35); color: #fff; }
.btn-ghost-light:hover { border-color: #fff; }
.btn-sm { height: 36px; padding: 0 14px; font-size: 12px; }
.btn-lg { height: 50px; padding: 0 22px; }

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 40px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand img { width: 26px; height: 26px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}
.nav-links a:not(.btn) {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:not(.btn):hover,
.nav-links a:not(.btn).active { border-bottom-color: var(--text); }
.nav-links .push { margin-left: auto; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  margin-left: auto;
  align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.nav-toggle svg { width: 18px; height: 18px; }

/* ---------- Sections ---------- */

section { border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: 0; }

.section-head {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: end;
  padding-top: 72px;
  padding-bottom: 48px;
}
.section-head .eyebrow { margin-bottom: 28px; }
.section-head p { color: var(--text-2); max-width: 420px; justify-self: end; font-size: 15px; line-height: 1.6; }

/* Grid-paper backdrop that fades out towards the edges. Used by the hero
   stage, the flow diagram and (in a dark variant) the CTA band.
   --fade is the surface colour the grid dissolves into. */
.gridded { position: relative; isolation: isolate; --fade: var(--panel); }
.gridded::before,
.gridded::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.gridded::before {
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}
.gridded::after {
  background: radial-gradient(ellipse 85% 90% at 50% 50%, transparent 40%, var(--fade) 100%);
}

/* ---------- Hero ---------- */

.hero-top {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 340px);
  gap: 48px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 56px;
  position: relative;
  z-index: 2;
}
.hero-copy .eyebrow { margin-bottom: 32px; }
.hero-copy .display { max-width: 820px; }
.hero-copy .lead { margin-top: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }

/* Extension popup mock: a slice of browser toolbar with the popup hanging
   from the extension icon. Overhangs into the grid panel on desktop. */
.popup-demo {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 340px;
  justify-self: end;
  margin-bottom: -72px;
}
.pd-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 40px;
  padding: 0 12px;
  background: #f3f2ef;
  border: 1px solid var(--line);
  border-radius: 6px 6px 0 0;
  position: relative;
}
.pd-dots { display: inline-flex; gap: 5px; }
.pd-dots i { width: 8px; height: 8px; border-radius: 50%; background: #d3d2ce; display: block; }
.pd-url {
  flex: 1;
  min-width: 0;
  height: 24px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pd-ext {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border: 1px solid var(--text);
  border-radius: 4px;
  background: #fff;
}
.pd-ext::after {
  /* caret linking the icon to the popup below */
  content: "";
  position: absolute;
  right: 18px;
  bottom: -7px;
  width: 11px; height: 11px;
  background: #fff;
  border-left: 1px solid #c9c8c4;
  border-top: 1px solid #c9c8c4;
  transform: rotate(45deg);
  z-index: 3;
}
.pd-popup {
  margin: 6px 0 0 auto;
  width: 100%;
  max-width: 340px;
  background: #fff;
  border: 1px solid #c9c8c4;
  border-radius: 6px;
  box-shadow: 0 1px 0 rgba(26, 25, 24, 0.04), 0 30px 60px -30px rgba(26, 25, 24, 0.4);
  font-size: 13px;
}
.pd-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.pd-head img { width: 32px; height: 32px; }
.pd-head b { display: block; font-size: 15px; font-weight: 500; letter-spacing: -0.01em; }
.pd-head small { display: block; font-size: 11.5px; color: var(--muted); margin-top: 1px; }
.pd-ver {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3px 6px;
}
.pd-body { padding: 14px 16px 16px; display: grid; gap: 10px; }
.pd-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}
.pd-card { border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px 12px; background: var(--panel); }
.pd-q { font-size: 12.5px; line-height: 1.45; color: var(--text-2); margin-bottom: 10px; }
.pd-answer { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; line-height: 1.35; }
.pd-check {
  flex: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #1f8f5f;
  color: #fff;
  display: inline-grid; place-items: center;
}
.pd-check svg { width: 11px; height: 11px; }
.pd-status {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #1f8f5f;
}
.pd-status .dot { width: 6px; height: 6px; border-radius: 50%; background: #1f8f5f; display: inline-block; }
.pd-toggles { display: grid; gap: 6px; }
.pd-toggle {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.pd-toggle .sw {
  position: relative;
  flex: none;
  width: 32px; height: 18px;
  border-radius: 999px;
  background: var(--text);
}
.pd-toggle .sw::after {
  content: "";
  position: absolute;
  top: 2px; right: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
}
.pd-toggle b { display: block; font-size: 12.5px; font-weight: 500; }
.pd-toggle span:not(.sw) { display: block; font-size: 11.5px; color: var(--muted); }

.hero-media {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 56px var(--pad) 72px;
  overflow: hidden;
}
.hero-media.gridded::after {
  background: radial-gradient(ellipse 90% 100% at 50% 60%, transparent 45%, var(--fade) 100%);
}

.stage { position: relative; max-width: 1104px; margin: 0 auto; }
.stage-caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.stage-caption span:first-child { color: var(--text); }

.stage-frame {
  position: relative;
  background: #111;
  border: 1px solid #c9c8c4;
  box-shadow:
    0 1px 0 rgba(26, 25, 24, 0.05),
    0 40px 80px -40px rgba(26, 25, 24, 0.45);
}
.stage-frame video {
  width: 100%;
  aspect-ratio: 1440 / 844;
  background: #111;
}

/* Blueprint-style corner ticks that sit just outside the frame. */
.tick {
  position: absolute;
  width: 25px; height: 25px;
  pointer-events: none;
  background:
    linear-gradient(var(--text), var(--text)) center / 1px 100% no-repeat,
    linear-gradient(var(--text), var(--text)) center / 100% 1px no-repeat;
}
.tick.tl { top: -13px; left: -13px; }
.tick.tr { top: -13px; right: -13px; }
.tick.bl { bottom: -13px; left: -13px; }
.tick.br { bottom: -13px; right: -13px; }

/* ---------- Features: sticky aside + list ---------- */

.split-section { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.split-aside { border-right: 1px solid var(--line); }
.split-aside .sticky { position: sticky; top: var(--nav-h); padding: 72px 0 64px; }
.split-aside .eyebrow { margin-bottom: 28px; }
.aside-note { margin-top: 24px; color: var(--text-2); font-size: 15px; line-height: 1.6; max-width: 380px; }

.feature-list { display: grid; }
.feature {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding-top: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease;
}
.feature:last-child { border-bottom: 0; }
.feature:hover { background: var(--panel); }
.fidx {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent-ink);
  padding-top: 4px;
}
.feature h3 { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 10px; }
.feature p { color: var(--text-2); max-width: 480px; font-size: 15px; line-height: 1.6; }

/* ---------- How it works: flow diagram ---------- */

.flow-panel {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 64px 0 80px;
  overflow: hidden;
}
.flow {
  display: flex;
  align-items: stretch;
  list-style: none;
  margin: 0;
}
.node {
  flex: 0 1 236px;
  min-width: 0;
  background: var(--sheet);
  border: 1px solid var(--line);
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 0 rgba(26, 25, 24, 0.04);
}
.node .mono { color: var(--accent-ink); margin-bottom: 18px; }
.node h3 { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 8px; }
.node p { color: var(--text-2); font-size: 14px; line-height: 1.55; }
.node.is-end { border-color: var(--text); }

.conn {
  flex: 1 1 40px;
  min-width: 32px;
  position: relative;
  align-self: center;
  height: 1px;
  background: var(--text);
  opacity: 0.6;
}
.conn::before {
  /* arrowhead */
  content: '';
  position: absolute;
  right: -1px; top: -3px;
  width: 6px; height: 6px;
  border-right: 1px solid var(--text);
  border-bottom: 1px solid var(--text);
  transform: rotate(-45deg);
}
.conn::after {
  /* travelling dot */
  content: '';
  position: absolute;
  top: 50%; left: 0;
  width: 7px; height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: var(--accent);
  animation: travel 3.6s linear infinite;
  animation-delay: var(--d, 0s);
  opacity: 0;
}
.conn:nth-of-type(2) { --d: 0s; }
.conn:nth-of-type(4) { --d: 1.2s; }
.conn:nth-of-type(6) { --d: 2.4s; }
@keyframes travel {
  0%   { left: 0;    opacity: 0; }
  4%   { opacity: 1; }
  30%  { opacity: 1; }
  33%  { left: 100%; opacity: 0; }
  100% { left: 100%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .conn::after { display: none; } }

/* ---------- CTA band ---------- */

.band {
  background: var(--text);
  color: #fff;
  --grid-line: rgba(255, 255, 255, 0.07);
}
.band.gridded { --fade: var(--text); }
.band.gridded::after {
  background: radial-gradient(ellipse 70% 120% at 85% 50%, transparent 20%, var(--fade) 100%);
}
.band-inner {
  padding-top: 96px;
  padding-bottom: 96px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}
.band .title { max-width: 520px; }
.band p { color: rgba(255,255,255,0.68); margin-top: 18px; max-width: 460px; font-size: 15px; }
.band .actions { display: flex; flex-wrap: wrap; gap: 10px; justify-self: end; }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 28px var(--pad);
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.footer .brand img { width: 20px; height: 20px; }
.footer-links { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.footer-links a { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); }
.footer-links a:hover { color: var(--text); }
.footer-note { margin-left: auto; font-size: 12.5px; color: var(--muted); }

/* ---------- Install page ---------- */

.page-head { padding-top: 80px; padding-bottom: 56px; }
.page-head .eyebrow { margin-bottom: 28px; }
.page-head .lead { margin-top: 24px; }

.download {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
  margin-top: 40px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
}
.download .meta { display: grid; gap: 4px; }
.download .meta .mono { color: var(--muted); }
.download .meta span:not(.mono) { font-size: 14px; color: var(--text-2); }

.guide { display: grid; }
.gstep {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  padding: 44px var(--pad);
  border-bottom: 1px solid var(--line);
}
.gstep:last-child { border-bottom: 0; }
.gstep .n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
  text-transform: uppercase;
  padding-top: 6px;
}
.gstep h2 { font-size: 1.35rem; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 12px; }
.gstep p { color: var(--text-2); max-width: 620px; font-size: 15px; line-height: 1.65; }
.gstep p + p { margin-top: 12px; }

.shot {
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--panel);
  max-width: 760px;
}
.shot.md { max-width: 560px; }
.shot.sm { max-width: 360px; }
.inline-icon { display: inline-block; vertical-align: middle; width: 20px; height: 20px; margin: 0 2px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; margin: 16px 0 8px; max-width: 720px; }
.split > div { padding: 18px 20px; }
.split > div + div { border-left: 1px solid var(--line); }
.split .mono { color: var(--muted); display: block; margin-bottom: 10px; }
.split p { font-size: 14px; }

.copy-row { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.copy-row code { font-size: 13px; padding: 7px 10px; background: #fff; }
.copy-btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 10px;
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff;
}
.copy-btn:hover { border-color: var(--text); }
.copy-btn svg { width: 12px; height: 12px; }

.note {
  margin: 0 var(--pad);
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  background: var(--panel);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 820px;
}
.note b { color: var(--text); }

.plain-section { padding-top: 56px; padding-bottom: 72px; }
.plain-section .title { font-size: 1.6rem; padding: 0 var(--pad); margin-bottom: 24px; }

/* ---------- 404 ---------- */

.center-page {
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  place-items: center;
  text-align: center;
  padding: 80px var(--pad);
}
.center-page .eyebrow { margin-bottom: 24px; }
.center-page p { margin: 20px auto 32px; max-width: 420px; color: var(--text-2); }
.center-page .actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  :root { --pad: 32px; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
  .section-head p { justify-self: start; }
  .hero-top { grid-template-columns: 1fr; gap: 48px; }
  .popup-demo { justify-self: start; margin-bottom: 0; }
  .split-section { grid-template-columns: 1fr; }
  .split-aside { border-right: 0; border-bottom: 1px solid var(--line); }
  .split-aside .sticky { position: static; padding: 64px 0 48px; }
  .flow { flex-direction: column; align-items: stretch; }
  .node { flex-basis: auto; max-width: 520px; }
  .conn { width: 1px; min-width: 0; height: 44px; flex: none; align-self: flex-start; margin-left: 40px; }
  .conn::before { right: -3px; top: auto; bottom: -1px; transform: rotate(45deg); }
  .conn::after { animation-name: travel-v; left: 50%; top: 0; }
  @keyframes travel-v {
    0%   { top: 0;    opacity: 0; }
    4%   { opacity: 1; }
    30%  { opacity: 1; }
    33%  { top: 100%; opacity: 0; }
    100% { top: 100%; opacity: 0; }
  }
  .band-inner { grid-template-columns: 1fr; }
  .band .actions { justify-self: start; }
}

@media (max-width: 760px) {
  :root { --pad: 20px; --nav-h: 58px; }
  .sheet { border-left: 0; border-right: 0; }

  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: var(--nav-h);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: 1px solid var(--line); }
  .nav-links li a:not(.btn) { display: block; padding: 16px var(--pad); border-bottom: 0; }
  .nav-links li a.btn { margin: 14px var(--pad); width: calc(100% - 2 * var(--pad)); }
  .nav-links .push { margin-left: 0; }

  .hero-top { padding-top: 56px; padding-bottom: 40px; }
  .br-lg { display: none; }
  .hero-media { padding: 32px var(--pad) 40px; }
  .gridded::before { background-size: 32px 32px; }
  .stage-caption { flex-direction: column; gap: 4px; margin-bottom: 14px; }
  .tick { width: 17px; height: 17px; }
  .tick.tl { top: -9px; left: -9px; }
  .tick.tr { top: -9px; right: -9px; }
  .tick.bl { bottom: -9px; left: -9px; }
  .tick.br { bottom: -9px; right: -9px; }

  .feature { grid-template-columns: 1fr; gap: 14px; padding-top: 32px; padding-bottom: 32px; }
  .fidx { font-size: 1.1rem; }

  .flow-panel { padding: 40px 0 48px; }
  .conn { margin-left: 24px; height: 36px; }

  .band-inner { padding-top: 64px; padding-bottom: 64px; }
  .footer { gap: 18px; }
  .footer-note { margin-left: 0; width: 100%; }

  .page-head { padding-top: 56px; padding-bottom: 40px; }
  .download { grid-template-columns: 1fr; gap: 16px; }
  .download .btn { width: 100%; }
  .gstep { grid-template-columns: 1fr; gap: 12px; padding: 32px var(--pad); }
  .split { grid-template-columns: 1fr; }
  .split > div + div { border-left: 0; border-top: 1px solid var(--line); }
}