@font-face { font-family: "General Sans"; src: url("/fonts/general-sans-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "General Sans"; src: url("/fonts/general-sans-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "General Sans"; src: url("/fonts/general-sans-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --bg: #f7f7f7;
  --surface: #ebebeb;
  --ink: #0d2a1c;
  --muted: #4f5c55;
  --accent: #f6e016;
  --accent-ink: #0d2a1c;
  --inverse: #0d2a1c;
  --inverse-ink: #f7f7f7;

  --step-small: clamp(0.875rem, 0.85rem + 0.1vw, 0.9375rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --step-head: clamp(2rem, 1.3rem + 3.2vw, 4rem);
  --step-display: clamp(2.75rem, 1.2rem + 5.6vw, 6.75rem);

  --m: clamp(16px, 3.4vw, 48px);
  --axis: 42%;
  --gap-section: clamp(96px, 12vw, 200px);
  --font: "General Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 var(--step-body)/1.5 var(--font);
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 0.18em; text-decoration-thickness: 2px; }
a:hover { text-decoration-color: var(--ink); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; background-color: var(--accent); }
::selection { background: var(--accent); color: var(--accent-ink); }
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.02em; line-height: 1; text-wrap: balance; }
h2 { font-size: var(--step-head); }
h3 { font-size: var(--step-lead); line-height: 1.15; letter-spacing: -0.01em; }
p { margin: 0 0 1em; max-width: 64ch; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; max-width: 64ch; }
li { margin-bottom: 0.45em; }
strong { font-weight: 500; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--m); top: 8px; z-index: 50; padding: 12px 16px; background: var(--accent); }

/* buttons: square corners, one fill */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 52px; padding: 0 24px; border: 0; border-radius: 0;
  background: var(--accent); color: var(--accent-ink);
  font: 500 var(--step-body)/1 var(--font); text-decoration: none; cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease;
}
.btn:hover { background: #fff04a; }
.btn:active { transform: translateY(2px); }
.btn--ink { background: var(--ink); color: var(--inverse-ink); }
.btn--ink:hover { background: #1b4430; }
.btn--plain { background: var(--surface); color: var(--ink); }
.btn--plain:hover { background: #dcdcdc; }

/* header */
.top {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px;
  padding: 8px var(--m) 0;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; font-size: 1.125rem; letter-spacing: -0.01em; line-height: 1.05; }
.brand svg { width: 44px; height: 44px; flex: none; }
.nav { display: flex; gap: clamp(16px, 2.4vw, 36px); padding-left: calc(var(--axis) - 260px); }
.nav a { text-decoration: none; font-weight: 500; padding: 12px 0; }
.nav a:hover, .nav a[aria-current="page"] { text-decoration: underline; }
.menu { display: none; }
.menu:not([open]) nav { display: none; }
.top .btn { min-height: 48px; }

/* sticky call bar on phones */
.callbar { display: none; }

/* hero board (home) */
.board {
  display: grid; gap: 8px; padding: 8px var(--m) 0;
  grid-template-columns: repeat(3, 1fr); grid-template-rows: auto minmax(240px, 34svh);
}
.tile { position: relative; overflow: hidden; background: var(--surface); }
.tile--name { grid-column: 1 / -1; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(28px, 3.4vw, 56px) clamp(20px, 2.6vw, 40px) clamp(20px, 2.6vw, 40px); background: var(--surface); }
.tile--name h1 { font-size: clamp(2.2rem, 0.5rem + 6.9vw, 8rem); letter-spacing: -0.04em; line-height: 0.95; font-weight: 700; }
.tile--name p { margin: 28px 0 0; font-size: var(--step-lead); line-height: 1.3; max-width: 44ch; }
.tile img { width: 100%; height: 100%; object-fit: cover; }
.tile figcaption { position: absolute; left: 0; bottom: 0; padding: 8px 12px; background: var(--bg); font-size: var(--step-small); }
.tile--pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; background: none; }
.tile--hours { padding: clamp(20px, 2.2vw, 32px); display: flex; flex-direction: column; justify-content: flex-end; gap: 12px; background: var(--surface); }
.tile--hours strong { font-size: clamp(1.75rem, 1rem + 1.8vw, 3rem); font-weight: 700; letter-spacing: -0.03em; line-height: 0.95; display: block; }
.tile--hours p { margin: 0; font-size: var(--step-body); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
/* typographic plate in place of a photograph */
.plate { margin: 0; padding: 40px; display: flex; align-items: center; justify-content: center; }
.plate div { width: 100%; aspect-ratio: 1; background: var(--ink); color: var(--accent); display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(20px, 3vw, 44px); }
.plate b { font-size: clamp(4.5rem, 1rem + 10vw, 12rem); font-weight: 700; letter-spacing: -0.06em; line-height: 0.85; }
.plate span { color: var(--inverse-ink); font-size: var(--step-lead); margin-top: 16px; font-weight: 500; }
.dhero .prices { background: var(--ink); color: var(--inverse-ink); padding: clamp(24px, 3vw, 48px); display: flex; flex-direction: column; justify-content: flex-end; gap: 4px; margin: 0; }
.dhero .prices p { margin: 0 0 18px; max-width: none; font-size: var(--step-body); display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.dhero .prices p b { display: inline-block; min-width: 4.6ch; color: var(--accent); font-size: var(--step-head); font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.tile--dark, .tile--accent { padding: clamp(20px, 2.2vw, 32px); display: flex; flex-direction: column; justify-content: space-between; gap: 20px; }
.tile--dark { background: var(--ink); color: var(--inverse-ink); }
.tile--accent { background: var(--accent); color: var(--accent-ink); }
.tile--dark p, .tile--accent p { font-size: var(--step-lead); line-height: 1.25; margin: 0; }
.tile--accent ul { list-style: none; padding: 0; margin: 0; font-size: var(--step-lead); line-height: 1.25; font-weight: 500; }
.tile--accent li { margin: 0 0 6px; }
.tile .btn { align-self: flex-start; }

/* masked headline */
.line { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.line > span { display: block; }
.js .line > span { transform: translateY(105%); animation: rise 900ms cubic-bezier(.16,1,.3,1) forwards; }
.js .line:nth-child(2) > span { animation-delay: 110ms; }
.js .line:nth-child(3) > span { animation-delay: 220ms; }
@keyframes rise { to { transform: none; } }

/* facts strip */
.facts { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px var(--m) 0; list-style: none; margin: 0; max-width: none; }
.facts li { margin: 0; padding: 14px 18px; background: var(--surface); font-weight: 500; }

/* text page on the axis */
.page { padding: var(--gap-section) var(--m) 0; }
.axis { display: grid; grid-template-columns: var(--axis) 1fr; column-gap: clamp(24px, 4vw, 64px); }
.axis > * { min-width: 0; }
.axis > .side { padding-right: 8px; }
.axis > .side h2 { font-size: var(--step-head); }
.axis > .body { max-width: 820px; }
.body h3 { margin: 1.6em 0 0.5em; }
.body h3:first-child { margin-top: 0; }
.cols { columns: 2 34ch; column-gap: 48px; }
.cols p { break-inside: avoid; }
.lead { font-size: var(--step-lead); line-height: 1.35; max-width: 40ch; }
.side .lead { margin-top: 24px; }
.updated { color: var(--muted); font-size: var(--step-small); }

/* quick answer */
.answer { background: var(--accent); color: var(--accent-ink); padding: clamp(24px, 3vw, 44px); }
.answer h2 { font-size: var(--step-lead); line-height: 1.2; margin-bottom: 12px; letter-spacing: -0.01em; }
.answer p { font-size: var(--step-lead); line-height: 1.35; margin: 0; max-width: 46ch; }

/* full-bleed colour page */
.field { margin-top: var(--gap-section); padding: clamp(72px, 9vw, 140px) var(--m); background: var(--ink); color: var(--inverse-ink); }
.field--accent { background: var(--accent); color: var(--accent-ink); }
.field a:not(.btn) { color: inherit; }
.field .muted { color: #c9d3cd; }

/* price checker (live thing) */
.checker { display: grid; grid-template-columns: var(--axis) 1fr; column-gap: clamp(24px, 4vw, 64px); }
.checker fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.checker legend { font-size: var(--step-head); font-weight: 700; letter-spacing: -0.02em; line-height: 1; margin-bottom: 28px; padding: 0; }
.choice { display: block; position: relative; margin-bottom: 8px; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.choice span { display: block; padding: 16px 20px; background: #1b4430; font-size: var(--step-body); font-weight: 500; transition: background-color 160ms ease, transform 160ms ease; }
.choice input:hover + span { background: #255a40; }
.choice input:checked + span { background: var(--accent); color: var(--accent-ink); }
.choice input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 3px; }
.choice input:active + span { transform: translateX(4px); }
.result { padding-top: 4px; }
.result h3 { font-size: var(--step-head); margin-bottom: 20px; }
.result dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 28px; margin: 0 0 24px; font-size: var(--step-body); }
.result dt { color: #c9d3cd; }
.result dd { margin: 0; font-weight: 500; }
.result p { max-width: 52ch; }
.result + .result { margin-top: 48px; }
@supports selector(:has(*)) {
  .checker .result { display: none; }
  .checker:has(#c-spring:checked) [data-for="c-spring"],
  .checker:has(#c-cable:checked) [data-for="c-cable"],
  .checker:has(#c-hum:checked) [data-for="c-hum"],
  .checker:has(#c-reverse:checked) [data-for="c-reverse"],
  .checker:has(#c-remote:checked) [data-for="c-remote"],
  .checker:has(#c-new:checked) [data-for="c-new"] { display: block; margin-top: 0; animation: fadein 380ms ease both; }
}
@keyframes fadein { from { opacity: 0; transform: translateY(12px); } }

/* big price table */
.bigtable-wrap { overflow-x: auto; margin-top: 40px; }
.bigtable { width: 100%; border-collapse: collapse; font-size: clamp(1.0625rem, 0.9rem + 0.5vw, 1.375rem); min-width: 640px; }
.bigtable caption { text-align: left; font-size: var(--step-head); font-weight: 700; letter-spacing: -0.02em; line-height: 1; padding-bottom: 32px; }
.bigtable th, .bigtable td { text-align: left; padding: 18px 20px; vertical-align: top; }
.bigtable thead th { font-size: var(--step-lead); font-weight: 700; padding-bottom: 14px; }
.bigtable tbody tr:nth-child(odd) { background: var(--surface); }
.bigtable tbody th { font-weight: 500; }
.bigtable .hot { background: var(--accent); }
.bigtable tbody tr:nth-child(odd) .hot { background: #ecd60f; }
.bigtable tfoot td { padding-top: 24px; }
.note { font-size: var(--step-small); color: var(--muted); margin-top: 16px; max-width: 70ch; }

/* staircase steps */
.stairs { list-style: none; padding: 0; margin: 0; max-width: none; display: grid; grid-template-columns: repeat(12, 1fr); row-gap: 56px; }
.stairs li { margin: 0; grid-column: var(--from) / span 7; }
.stairs li:nth-child(1) { --from: 1; } .stairs li:nth-child(2) { --from: 3; } .stairs li:nth-child(3) { --from: 5; } .stairs li:nth-child(4) { --from: 6; }
.stairs strong { display: block; font-size: clamp(2.1rem, 1.2rem + 3.4vw, 4.4rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.stairs li:last-child strong { color: var(--ink); background: var(--accent); display: inline; box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 0 0.12em; }
.stairs p { margin: 12px 0 0; max-width: 40ch; }

/* split showcase */
.split { display: grid; grid-template-columns: 1fr 1fr; min-height: 88svh; margin-top: var(--gap-section); background: var(--surface); }
.split > figure { margin: 0; padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.split > figure img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.split > figure figcaption { margin-top: 12px; font-size: var(--step-small); }
.split > div { padding: 40px var(--m) 40px 40px; display: flex; flex-direction: column; justify-content: space-between; gap: 40px; }
.split h2 { font-size: var(--step-head); max-width: 14ch; }
.split .acts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.split .acts .btn { min-height: 72px; justify-content: flex-start; }

/* masthead (repair page) */
.mast { padding: 8px var(--m) 0; }
.mast .band { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 0; height: clamp(220px, 34svh, 400px); }
.mast .band > * { margin: 0; overflow: hidden; position: relative; background: var(--surface); }
.mast .band img { width: 100%; height: 100%; object-fit: cover; }
.mast .band .solid { background: var(--accent); display: flex; align-items: flex-end; padding: 24px; font-size: var(--step-lead); line-height: 1.2; font-weight: 500; }
.mast .band figcaption { position: absolute; left: 0; bottom: 0; padding: 8px 12px; background: var(--bg); font-size: var(--step-small); }
.mast .title { display: grid; grid-template-columns: var(--axis) 1fr; column-gap: clamp(24px, 4vw, 64px); padding-top: clamp(32px, 4vw, 56px); }
.mast h1 { font-size: clamp(2.2rem, 0.5rem + 6.2vw, 7rem); letter-spacing: -0.045em; line-height: 0.92; grid-column: 1 / -1; }
.mast .stand { grid-column: 1; grid-row: 2; align-self: start; font-size: var(--step-lead); line-height: 1.3; margin: 28px 0 0; max-width: 30ch; }
.mast .acts { grid-column: 2; grid-row: 2; align-self: start; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }

/* door hero split */
.dhero { display: grid; grid-template-columns: 2fr 3fr; gap: 8px; padding: 8px var(--m) 0; min-height: 86svh; }
.dhero figure { margin: 0; position: relative; background: var(--surface); overflow: hidden; }
.dhero figure img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.dhero figure figcaption { position: absolute; left: 0; bottom: 0; padding: 8px 12px; background: var(--bg); font-size: var(--step-small); max-width: 80%; }
.dhero > div { background: var(--accent); padding: clamp(24px, 3vw, 48px); display: flex; flex-direction: column; justify-content: space-between; gap: 32px; }
.dhero h1 { font-size: clamp(2.2rem, 0.4rem + 4.6vw, 5rem); letter-spacing: -0.045em; line-height: 0.92; }
.dhero p { font-size: var(--step-lead); line-height: 1.3; max-width: 34ch; }
.dhero .acts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.dhero .acts .btn { min-height: 72px; justify-content: flex-start; }

/* figures in text */
.fig { margin: 40px 0; }
.fig img { width: 100%; }
.fig figcaption { margin-top: 10px; font-size: var(--step-small); color: var(--muted); max-width: 70ch; }
.fig--wide { margin: var(--gap-section) 0 0; padding: 0 var(--m); }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 40px 0; }
.pair figure { margin: 0; }
.pair img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.pair figcaption { margin-top: 10px; font-size: var(--step-small); color: var(--muted); }

/* symptom table */
.table-wrap { overflow-x: auto; margin: 28px 0 8px; }
table.plain { width: 100%; border-collapse: collapse; min-width: 600px; }
table.plain th, table.plain td { text-align: left; padding: 14px 16px; vertical-align: top; }
table.plain thead th { background: var(--ink); color: var(--inverse-ink); font-weight: 500; }
table.plain tbody tr:nth-child(even) { background: var(--surface); }
table.plain tbody th { font-weight: 500; }

/* coupons */
.coupons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 40px; }
.coupon { background: var(--accent); padding: 28px; display: flex; flex-direction: column; gap: 8px; }
.coupon strong { font-size: var(--step-head); font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.coupon span { font-size: var(--step-body); }

/* FAQ as reading text */
.notes { display: grid; grid-template-columns: 3fr 1fr 8fr; }
.notes h2 { grid-column: 1; font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem); }
.notes .qa { grid-column: 3; columns: 2 34ch; column-gap: 56px; }
.notes .qa p { break-inside: avoid; margin: 0 0 20px; line-height: 1.55; }
.notes .qa b { font-weight: 500; }
.notes .qa .q { font-weight: 500; }

/* contact band + form */
.contact { display: grid; grid-template-columns: 5fr 2fr 5fr; column-gap: clamp(24px, 3vw, 48px); align-items: start; }
.contact .say { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); line-height: 1.15; font-weight: 500; letter-spacing: -0.015em; max-width: 22ch; margin: 0; }
.contact .say + p { margin-top: 24px; }
.contact .bigphone { display: inline-block; font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem); font-weight: 700; letter-spacing: -0.02em; margin: 8px 0 12px; }
.contact figure { margin: 0; }
.contact figure img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.contact figure figcaption { font-size: var(--step-small); margin-top: 8px; }
form.req { display: grid; gap: 14px; }
.req label { display: block; font-weight: 500; margin-bottom: 6px; }
.req input, .req select, .req textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; font: inherit; color: var(--ink);
  background: #fff; border: 2px solid var(--ink); border-radius: 0;
}
.req textarea { min-height: 110px; resize: vertical; }
.req .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.req .hint { font-size: var(--step-small); color: var(--muted); margin: 6px 0 0; }
.req .hp { position: absolute; left: -9999px; }
.req .err { color: #8a1c1c; font-weight: 500; font-size: var(--step-small); margin: 6px 0 0; }
.field .req .hint { color: #c9d3cd; }
.field .req .err { color: var(--accent); }

/* author box */
.byline { display: grid; grid-template-columns: var(--axis) 1fr; column-gap: clamp(24px, 4vw, 64px); padding: 72px var(--m) 0; }
.byline > div { background: var(--surface); padding: 28px; grid-column: 2; }
.byline p { margin: 0 0 6px; }

/* breadcrumbs */
.crumbs { padding: 20px var(--m) 0; font-size: var(--step-small); }
.crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; max-width: none; }
.crumbs li { margin: 0; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--muted); }

/* footer */
.foot { margin-top: var(--gap-section); background: var(--ink); color: var(--inverse-ink); padding: clamp(56px, 7vw, 96px) var(--m) 32px; overflow: hidden; }
.foot .name { font-size: clamp(2.6rem, 9.4vw, 9.5rem); font-weight: 700; letter-spacing: -0.05em; line-height: 0.88; margin: 0 0 72px; max-width: none; }
.foot .rows { display: grid; grid-template-columns: 5fr 1fr 6fr; }
.foot .reach { grid-column: 1; list-style: none; padding: 0; margin: 0; }
.foot .reach li { overflow-wrap: anywhere; font-size: clamp(1.25rem, 0.9rem + 1.4vw, 2.25rem); line-height: 1.15; margin-bottom: 10px; font-weight: 500; }
.foot .reach a { color: var(--accent); text-decoration: none; }
.foot .reach a:hover { text-decoration: underline; }
.foot .links { grid-column: 3; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; font-size: 0.9375rem; }
.foot .links ul { list-style: none; padding: 0; margin: 0; }
.foot .links li { margin-bottom: 10px; }
.foot .links p { margin: 0 0 10px; font-weight: 500; }
.foot a { color: inherit; }
.foot .credits { margin-top: 72px; font-size: 0.875rem; max-width: 110ch; color: #d5ddd8; }
.foot .legal { margin-top: 24px; display: flex; justify-content: space-between; gap: 16px; font-size: 0.875rem; flex-wrap: wrap; }

/* entrances: only when JS is running, never hides content otherwise */
.js .rv { opacity: 0; transform: translateY(24px); transition: opacity 700ms ease, transform 700ms cubic-bezier(.16,1,.3,1); transition-delay: var(--d, 0ms); }
.js .rv.in { opacity: 1; transform: none; }
.drift { animation: drift 24s ease-in-out infinite alternate; }
@keyframes drift { from { transform: scale(1.02); } to { transform: scale(1.09) translate(-1.5%, -1%); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .rv { opacity: 1; transform: none; transition: none; }
  .js .line > span { transform: none; animation: none; }
  .drift, .checker [data-for] { animation: none !important; }
}

/* tablet */
@media (max-width: 1024px) {
  .nav { padding-left: 0; }
  .contact { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .contact .say-wrap { grid-column: 1 / -1; }
  .notes { grid-template-columns: 1fr; }
  .notes h2 { margin-bottom: 28px; }
  .notes .qa { grid-column: 1; }
  .foot .rows { grid-template-columns: 1fr; gap: 48px; }
  .foot .links { grid-column: 1; }
}

@media (max-width: 900px) {
  .axis, .checker, .mast .title, .byline { grid-template-columns: 1fr; }
  .axis > .side { margin-bottom: 28px; }
  .checker .result { margin-top: 56px; }
  .mast h1, .mast .stand, .mast .acts { grid-column: 1; grid-row: auto; }
  .mast .stand { margin-top: 20px; }
  .byline > div { grid-column: 1; }
}

/* phone */
@media (max-width: 760px) {
  :root { --gap-section: 88px; }
  body { padding-bottom: 68px; }
  .top { grid-template-columns: 1fr auto; padding-top: 10px; }
  .nav { display: none; }
  .top > .btn { display: none; }
  .menu { display: block; }
  .menu summary { list-style: none; cursor: pointer; min-height: 48px; display: flex; align-items: center; padding: 0 16px; background: var(--surface); font-weight: 500; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu[open] summary { background: var(--accent); }
  .menu nav { position: absolute; left: 0; right: 0; z-index: 30; background: var(--ink); padding: 8px var(--m) 20px; margin-top: 8px; }
  .menu nav a { display: block; color: var(--inverse-ink); text-decoration: none; font-size: 1.375rem; font-weight: 500; padding: 12px 0; }
  .brand { font-size: 1rem; }
  .brand svg { width: 40px; height: 40px; }

  .callbar { display: grid; grid-template-columns: 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; padding: 8px; background: var(--ink); }
  .callbar .btn { width: 100%; min-height: 52px; }

  .board { grid-template-columns: 1fr; grid-template-rows: none; gap: 6px; }
  .tile--name { min-height: 46svh; padding: 22px 18px; }
  .tile--name h1 { font-size: 8.4vw; }
  .tile--photo { aspect-ratio: 4 / 3; }
  .tile--photo2 { display: none; }
  .tile--pair { grid-template-columns: 1fr; gap: 6px; }

  .axis, .checker, .mast .title, .byline { grid-template-columns: 1fr; }
  .axis > .side { margin-bottom: 28px; }
  .checker legend { margin-bottom: 20px; }
  .checker .result { margin-top: 32px; }
  .mast .band { grid-template-columns: 1fr 1fr; height: auto; }
  .mast .band > :first-child { grid-column: 1 / -1; aspect-ratio: 16 / 7; }
  .mast .band > * { aspect-ratio: 1; }
  .mast h1, .mast .stand, .mast .acts { grid-column: 1; grid-row: auto; }
  .mast .stand { margin-top: 20px; }
  .dhero { grid-template-columns: 1fr; min-height: 0; gap: 6px; }
  .dhero .prices { order: 2; }
  .dhero > div:not(.prices) { min-height: 70svh; }
  .plate { padding: 16px 16px 0; }
  .dhero .acts, .split .acts { grid-template-columns: 1fr; }
  .dhero .acts .btn, .split .acts .btn { min-height: 60px; }
  .split { grid-template-columns: 1fr; min-height: 0; }
  .split > figure { padding: 16px 16px 0; }
  .split > div { padding: 28px 16px 32px; }
  .stairs { grid-template-columns: 1fr; row-gap: 40px; }
  .stairs li { grid-column: 1; padding-left: calc((var(--from) - 1) * 3vw); }
  .stairs strong { font-size: 8.4vw; }
  .coupons, .pair { grid-template-columns: 1fr; }
  .bigtable { min-width: 0; }
  .bigtable thead { display: none; }
  .bigtable, .bigtable tbody, .bigtable tr, .bigtable th, .bigtable td, .bigtable tfoot { display: block; width: 100%; }
  .bigtable caption { display: block; }
  .bigtable tbody tr { padding: 16px; margin-bottom: 8px; background: var(--surface); }
  .bigtable tbody tr:nth-child(odd) { background: var(--surface); }
  .bigtable th, .bigtable td { padding: 4px 0; }
  .bigtable tbody th { font-size: 1.375rem; font-weight: 700; padding-bottom: 8px; }
  .bigtable td::before { content: attr(data-l) ": "; color: var(--muted); }
  .bigtable .hot, .bigtable tbody tr:nth-child(odd) .hot { background: var(--accent); padding: 6px 8px; margin-top: 6px; }
  .contact { grid-template-columns: 1fr; }
  .contact figure { max-width: 160px; }
  .req .row { grid-template-columns: 1fr; }
  .foot .links { grid-template-columns: 1fr 1fr; }
  .foot .name { margin-bottom: 48px; }
}