/* ART-SYSTEM Systemy Ogrodzeń
   Palette and type locked to the company flyer: paper, ink, one orange. */

:root {
  --paper: #F3F2EE;
  --white: #FFFFFF;
  --ink: #161616;
  --ink-soft: #2B2A28;
  --orange: #E35B1F;
  --orange-dark: #B8440F;
  --muted: #66645F;
  --muted-on-ink: #B5B2AA;
  --line: #D9D6CF;

  --display: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: "Barlow", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --brush: "Permanent Marker", var(--display);

  --gutter: clamp(16px, 4vw, 56px);
  --max: 1320px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ol, ul { list-style: none; }
[hidden] { display: none !important; }
em { font-style: normal; color: var(--orange); }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

.ico {
  width: 1.15em; height: 1.15em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: square; stroke-linejoin: miter;
}

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 200; background: var(--ink); color: var(--white); padding: 10px 14px; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

/* Ruler ticks, reused as the site's measuring motif */
.ticks-bg {
  background:
    linear-gradient(90deg, currentColor 1px, transparent 1px) 0 100% / 10px 6px repeat-x,
    linear-gradient(90deg, currentColor 1px, transparent 1px) 0 100% / 50px 11px repeat-x,
    linear-gradient(90deg, currentColor 2px, transparent 2px) 0 100% / 100px 16px repeat-x;
}

/* ================= Header ================= */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header__inner {
  height: var(--header-h);
  display: flex; align-items: center; gap: 32px;
}

.logo { flex: none; }
.logo__mark { width: 150px; height: auto; }
.logo__word { font: 800 37px/1 var(--display); fill: var(--ink); letter-spacing: .5px; }
.logo__tag { font: 700 11px/1 var(--display); fill: var(--ink); letter-spacing: 4.4px; }

.nav { display: flex; gap: 30px; margin-left: auto; }
.nav a {
  position: relative; padding: 6px 0;
  font: 600 1rem/1 var(--display); letter-spacing: .06em; text-transform: uppercase;
}
/* Nav hover: a strip of ruler ticks slides out under the label */
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 8px;
  color: var(--orange);
  background:
    linear-gradient(90deg, currentColor 1px, transparent 1px) 0 0 / 6px 5px repeat-x,
    linear-gradient(90deg, currentColor 1.5px, transparent 1.5px) 0 0 / 30px 8px repeat-x;
  clip-path: inset(0 100% 0 0);
  transition: clip-path .35s var(--ease);
}
.nav a:hover::after, .nav a:focus-visible::after { clip-path: inset(0 0 0 0); }

.header-call {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  border: 2px solid var(--ink);
  font: 500 .95rem/1 var(--mono); letter-spacing: .02em;
  transition: background .2s, color .2s;
}
.header-call .ico { color: var(--orange); }
.header-call:hover { background: var(--ink); color: var(--paper); }

.menu-btn {
  display: none; margin-left: auto;
  align-items: center; gap: 10px;
  background: none; border: 0; cursor: pointer; padding: 10px 0;
  font: 700 1rem/1 var(--display); text-transform: uppercase; letter-spacing: .08em;
}
.menu-btn__bars, .menu-btn__bars::before, .menu-btn__bars::after {
  display: block; width: 22px; height: 2px; background: var(--ink); position: relative;
  transition: transform .25s var(--ease), background .2s;
}
.menu-btn__bars::before, .menu-btn__bars::after { content: ""; position: absolute; left: 0; }
.menu-btn__bars::before { top: -7px; }
.menu-btn__bars::after { top: 7px; }
.menu-btn[aria-expanded="true"] .menu-btn__bars { background: transparent; }
.menu-btn[aria-expanded="true"] .menu-btn__bars::before { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__bars::after { transform: translateY(-7px) rotate(-45deg); }

/* Scroll progress as a tape measure pulled out along the header */
.tape { position: relative; height: 9px; color: var(--ink); }
.tape::before {
  content: ""; position: absolute; inset: 0;
  border-top: 1px solid var(--line);
}
.tape__blade {
  position: absolute; inset: 0;
  background-color: var(--orange);
  background-image:
    linear-gradient(90deg, var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1.5px, transparent 1.5px);
  background-size: 8px 3px, 40px 7px;
  background-repeat: repeat-x;
  background-position: 0 0, 0 0;
  clip-path: inset(0 calc((1 - var(--p, 0)) * 100%) 0 0);
}
.tape__readout {
  position: absolute; top: 9px;
  left: calc(var(--p, 0) * 100%);
  transform: translateX(calc(var(--p, 0) * -100%));
  padding: 3px 7px;
  background: var(--ink); color: var(--paper);
  font: 500 .7rem/1 var(--mono);
  white-space: nowrap;
}

/* ================= Hero ================= */
.hero {
  position: relative;
  min-height: min(100dvh, 1040px);
  display: flex; flex-direction: column;
  padding-top: calc(var(--header-h) + clamp(36px, 8vh, 96px));
  overflow: hidden;
}

.hero__inner { position: relative; }

.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font: 600 1rem/1 var(--display); letter-spacing: .32em; text-transform: uppercase;
}
.hero__eyebrow::before, .hero__eyebrow::after {
  content: ""; width: 28px; height: 3px; background: var(--orange);
}

.hero__title {
  margin-top: 22px;
  font: 800 clamp(3.1rem, 9.4vw, 8.9rem)/.86 var(--display);
  text-transform: uppercase; letter-spacing: -.005em;
}
.hero__title span { display: block; }
.hero__title span { animation: rise .9s var(--ease) both; }
.hero__title span + span { animation-delay: .12s; }

.hero__row {
  margin-top: clamp(24px, 4vh, 40px);
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px 48px; align-items: end;
}
.hero__sub { max-width: 46ch; font-size: 1.15rem; color: var(--ink-soft); }
.hero__ctas { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }

/* Hero CTA: a black slab with a tape blade that pulls out underneath on hover */
.cta-measure {
  position: relative;
  display: inline-flex; align-items: center; gap: 14px;
  padding: 19px 26px 21px;
  background: var(--ink); color: var(--white);
  font: 700 1.3rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em;
  transition: transform .2s var(--ease);
}
.cta-measure::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 8px;
  background-color: var(--orange);
  background-image: linear-gradient(90deg, var(--ink) 1px, transparent 1px), linear-gradient(90deg, var(--ink) 1.5px, transparent 1.5px);
  background-size: 7px 3px, 35px 6px; background-repeat: repeat-x;
  transform-origin: left; transform: scaleX(.28);
  transition: transform .45s var(--ease);
}
.cta-measure:hover::after, .cta-measure:focus-visible::after { transform: scaleX(1); }
.cta-measure .ico { transition: transform .3s var(--ease); }
.cta-measure:hover .ico { transform: translateX(4px); }
.cta-measure:active { transform: translateY(1px); }

.cta-hero-call {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 1.15rem/1 var(--mono);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .2s, color .2s;
}
.cta-hero-call .ico { color: var(--orange); }
.cta-hero-call:hover { color: var(--orange-dark); border-color: currentColor; }

/* Flyer stamp: black slab, brush GRATIS */
.stamp {
  position: absolute; top: -8px; right: var(--gutter);
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 16px 30px 14px 26px;
  background: var(--ink); color: var(--white);
  transform: rotate(-5deg);
  clip-path: polygon(0 8%, 100% 0, 97% 100%, 3% 92%);
  animation: stamp .7s .5s var(--ease) both;
}
.stamp::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 10px; background: var(--orange);
}
.stamp__top { font: 700 1.25rem/1 var(--display); text-transform: uppercase; letter-spacing: .04em; }
.stamp__big { font: 400 3.2rem/1 var(--brush); color: var(--orange); margin-top: 4px; }

.hero__fence {
  margin-top: auto;
  padding: clamp(28px, 5vh, 56px) var(--gutter) 0;
  max-width: 1720px; width: 100%; margin-inline: auto;
}
.hero__fence svg { width: 100%; height: auto; max-height: 34dvh; margin-inline: auto; }
.hero__fence .dims--text text,
.drawing__label text { font: 500 17px var(--mono); }

/* Draw-in on load (fires on mount, not on scroll) */
.draw { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 1.6s var(--ease) forwards; }
.draw-group .draw:nth-child(2) { animation-delay: .1s; }
.draw-group .draw:nth-child(3) { animation-delay: .18s; }
.draw-group .draw:nth-child(4) { animation-delay: .26s; }
.draw-group .draw:nth-child(5) { animation-delay: .34s; }
.draw-group .draw:nth-child(6) { animation-delay: .42s; }
.draw-group .draw:nth-child(n+7) { animation-delay: .55s; }
.fill-in { animation: fade 1s 1s ease both; }
.dims { animation: fade .8s 1.4s ease both; }

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes rise { from { transform: translateY(36px); } to { transform: none; } }
@keyframes stamp { from { transform: rotate(-14deg) scale(1.25); } to { transform: rotate(-5deg) scale(1); } }

/* ================= Sections ================= */
.section { padding-block: clamp(80px, 11vw, 150px); }

.section-head { display: flex; flex-direction: column; gap: 18px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head h2,
.process__steps h2,
.contact h2 {
  font: 800 clamp(2.6rem, 6.2vw, 5.2rem)/.9 var(--display);
  text-transform: uppercase;
}
.section-head em { white-space: nowrap; }
.section-head p { max-width: 52ch; font-size: 1.125rem; color: var(--muted); }
.section-head--dark p { color: var(--muted-on-ink); }

/* ================= Oferta: accordion slices ================= */
.offer__list { border-bottom: 2px solid var(--ink); }

.offer-row { border-top: 2px solid var(--ink); }

.offer-row__btn {
  width: 100%;
  display: grid; grid-template-columns: 5.5rem minmax(0, 1fr) auto 48px;
  align-items: center; gap: 24px;
  padding: 26px 0;
  background: none; border: 0; cursor: pointer; text-align: left;
  transition: background .25s, padding .3s var(--ease);
}
.offer-row__num {
  justify-self: start;
  padding: 6px 9px;
  font: 500 1rem/1 var(--mono); color: var(--orange-dark);
  border: 1.5px solid currentColor;
  transition: background .2s, color .2s, border-color .2s;
}
.offer-row__name { font: 800 clamp(1.9rem, 4.6vw, 3.6rem)/1 var(--display); text-transform: uppercase; }
.offer-row__hint { color: var(--muted); font-size: 1rem; }
.offer-row__toggle {
  position: relative; width: 48px; height: 48px; border: 2px solid var(--ink);
  transition: background .2s, transform .35s var(--ease);
}
.offer-row__toggle::before, .offer-row__toggle::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 2px; background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform .35s var(--ease), background .2s;
}
.offer-row__toggle::after { transform: translate(-50%, -50%) rotate(90deg); }

.offer-row__btn:hover { padding-left: 14px; }
.offer-row__btn:hover .offer-row__num { background: var(--orange); border-color: var(--orange); color: var(--ink); }
.offer-row__btn:hover .offer-row__toggle { background: var(--ink); }
.offer-row__btn:hover .offer-row__toggle::before,
.offer-row__btn:hover .offer-row__toggle::after { background: var(--paper); }

.is-open .offer-row__num { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.is-open .offer-row__toggle { transform: rotate(180deg); }
.is-open .offer-row__toggle::after { transform: translate(-50%, -50%) rotate(0deg); }

.offer-row__body {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .5s var(--ease);
}
.is-open .offer-row__body { grid-template-rows: 1fr; }
.offer-row__inner {
  overflow: hidden; min-height: 0;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
}
.is-open .offer-row__inner { padding-bottom: 40px; }

.drawing { background: var(--white); border: 1.5px solid var(--line); padding: clamp(14px, 2vw, 26px); }
.drawing svg { width: 100%; height: auto; }
.drawing figcaption { margin-top: 10px; font: 500 .75rem/1.4 var(--mono); color: var(--muted); }

.offer-row__text { align-self: center; display: flex; flex-direction: column; gap: 22px; max-width: 52ch; }
.offer-row__text > p { font-size: 1.15rem; }

/* list bullets drawn as ruler ticks */
.ticks li { position: relative; padding: 10px 0 10px 34px; border-bottom: 1px solid var(--line); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 20px; height: 9px; transform: translateY(-50%);
  background:
    linear-gradient(90deg, var(--orange) 2px, transparent 2px) 0 50% / 6px 5px repeat-x,
    linear-gradient(90deg, var(--orange) 2px, transparent 2px) 0 0 / 18px 9px no-repeat;
}

/* Row link: the arrow runs along a tape line that extends on hover */
.row-link {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 1.1rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em;
  padding-bottom: 8px;
  background: linear-gradient(var(--orange), var(--orange)) 0 100% / 34% 3px no-repeat;
  transition: background-size .4s var(--ease), color .2s;
}
.row-link .ico { transition: transform .3s var(--ease); }
.row-link:hover { background-size: 100% 3px; color: var(--orange-dark); }
.row-link:hover .ico { transform: translateX(6px); }

/* ================= Dlaczego my: ruler band ================= */
.why { background: var(--ink); color: var(--paper); }

.ruler {
  position: relative;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  padding-bottom: 54px;
}
.ruler::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 30px; height: 18px;
  color: var(--paper);
  border-bottom: 2px solid var(--paper);
  background:
    linear-gradient(90deg, currentColor 1px, transparent 1px) 0 100% / 12px 6px repeat-x,
    linear-gradient(90deg, currentColor 1px, transparent 1px) 0 100% / 60px 11px repeat-x;
}
.ruler__item {
  position: relative;
  display: flex; flex-direction: column; gap: 12px;
  padding: 0 22px 44px 0;
}
.ruler__item::after {
  content: ""; position: absolute; left: 0; bottom: -24px; width: 3px; height: 42px; background: var(--orange);
}
.ruler__icon {
  width: 46px; height: 46px; color: var(--orange);
  fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: square; stroke-linejoin: miter;
  transition: transform .4s var(--ease);
}
.ruler__item:hover .ruler__icon { transform: translateY(-4px) rotate(-6deg); }
.ruler__item h3 { font: 700 1.55rem/1.02 var(--display); text-transform: uppercase; }
.ruler__item p { color: var(--muted-on-ink); font-size: 1rem; max-width: 26ch; }
.ruler__mark {
  position: absolute; left: 10px; bottom: -48px;
  font: 500 .8rem/1 var(--mono); color: var(--paper);
}
.ruler__mark::after { content: " m"; color: var(--muted-on-ink); }

/* ================= Jak pracujemy ================= */
.process__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(40px, 7vw, 120px); align-items: start;
}
.process__free { position: sticky; top: calc(var(--header-h) + 40px); }
.process__zero {
  font: 800 clamp(9rem, 24vw, 21rem)/.78 var(--display);
  letter-spacing: -.03em;
}
.process__zero span { color: var(--orange); }
.process__caption {
  margin-top: 24px; padding-top: 18px; max-width: 30ch;
  font: 600 1.35rem/1.25 var(--display); text-transform: uppercase; letter-spacing: .02em;
  border-top: 2px solid var(--ink);
}

.process__steps h2 { margin-bottom: 44px; }

.timeline { position: relative; padding-left: 64px; }
.timeline::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 26px;
  background-color: var(--orange);
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(var(--ink) 1.5px, transparent 1.5px);
  background-size: 6px 10px, 14px 50px;
  background-repeat: repeat-y;
}
.timeline li { position: relative; padding: 0 0 40px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline__m {
  display: inline-block; margin-bottom: 8px;
  font: 500 .85rem/1 var(--mono); color: var(--orange-dark);
}
.timeline li::before {
  content: ""; position: absolute; left: -64px; top: 6px; width: 40px; height: 2px; background: var(--ink);
}
.timeline h3 { font: 700 clamp(1.6rem, 3vw, 2.2rem)/1 var(--display); text-transform: uppercase; }
.timeline p { margin-top: 6px; color: var(--muted); max-width: 44ch; }

/* ================= Galeria (opcjonalna) ================= */
.gallery__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.gallery__grid figure { background: var(--white); }
.gallery__grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gallery__grid figcaption { padding: 10px 12px; font: 500 .8rem/1.3 var(--mono); }

/* ================= Kontakt ================= */
.contact { position: relative; overflow: hidden; border-top: 2px solid var(--ink); }
.contact__slab {
  position: absolute; z-index: 0;
  top: 0; bottom: 0; left: -10%; width: 58%;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 78% 100%, 0 100%);
}
.contact__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 96px); align-items: center;
}
.contact__eyebrow {
  display: inline-block; margin-bottom: 18px;
  font: 400 1.6rem/1 var(--brush); color: var(--white);
  transform: rotate(-3deg);
}
.contact h2 { color: var(--ink); max-width: 10ch; }
.contact__text { margin-top: 18px; max-width: 40ch; font-size: 1.15rem; color: var(--ink); }

/* Giant number: the numerals themselves are the call target */
.big-call {
  display: inline-flex; flex-wrap: wrap; column-gap: .18em;
  margin-top: 34px;
  font: 800 clamp(3.6rem, 9.5vw, 8.4rem)/.88 var(--display);
  color: var(--ink);
  transition: color .2s;
}
.big-call span { display: inline-block; transition: transform .3s var(--ease); }
.big-call:hover span { text-decoration: underline; text-decoration-thickness: 6px; text-underline-offset: 10px; text-decoration-color: var(--white); }
.big-call:hover span:nth-child(1) { transform: translateY(-4px); }
.big-call:hover span:nth-child(2) { transform: translateY(-8px); }
.big-call:hover span:nth-child(3) { transform: translateY(-12px); }

.quote {
  background: var(--white);
  padding: clamp(22px, 3vw, 40px);
  border: 2px solid var(--ink);
  box-shadow: 10px 10px 0 var(--ink);
  display: flex; flex-direction: column; gap: 18px;
}
.quote__title { font: 800 1.9rem/1 var(--display); text-transform: uppercase; }
.quote__note { margin-top: 6px; font-size: .95rem; color: var(--muted); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font: 600 .95rem/1.2 var(--body); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 50px; padding: 12px 14px;
  background: var(--paper); border: 1.5px solid var(--ink); border-radius: 0;
  font-size: 1rem;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px color-mix(in srgb, var(--orange) 30%, transparent);
}
.field [aria-invalid="true"] { border-color: #B3261E; }
.field__err { font-size: .875rem; color: #B3261E; }

/* SMS CTA: a ticket with a perforated edge that slides on hover */
.cta-sms {
  --perf: radial-gradient(circle at 0 50%, transparent 5px, #000 5.5px);
  position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 6px; padding: 18px 24px 18px 30px;
  background: var(--orange); color: var(--ink);
  border: 0; cursor: pointer;
  font: 800 1.35rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em;
  -webkit-mask: var(--perf) 0 0 / 100% 16px repeat-y;
          mask: var(--perf) 0 0 / 100% 16px repeat-y;
  transition: transform .25s var(--ease), background .2s;
}
.cta-sms::before {
  content: ""; position: absolute; left: 16px; top: 10px; bottom: 10px;
  border-left: 2px dashed color-mix(in srgb, var(--ink) 55%, transparent);
}
.cta-sms:hover { transform: translateX(6px); background: #EC6A2E; }
.cta-sms:hover .ico { transform: translateX(4px); }
.cta-sms .ico { transition: transform .3s var(--ease); }
.cta-sms:active { transform: translateX(6px) translateY(1px); }

.quote__out { border-top: 1.5px dashed var(--line); padding-top: 16px; display: flex; flex-direction: column; gap: 12px; font-size: .95rem; }
.quote__out pre {
  white-space: pre-wrap; word-break: break-word;
  background: var(--paper); padding: 14px; font: 500 .85rem/1.5 var(--mono);
}
.copy-btn {
  align-self: flex-start;
  padding: 10px 14px; background: none; cursor: pointer;
  border: 1.5px solid var(--ink);
  font: 500 .85rem/1 var(--mono);
}
.copy-btn:hover { background: var(--ink); color: var(--paper); }

/* ================= Footer ================= */
.footer { border-top: 2px solid var(--ink); padding-block: 40px; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 40px; }
.footer__mark { width: 140px; height: auto; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 8px 22px; font: 600 .95rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em; }
.footer__nav a:hover, .footer__call:hover { color: var(--orange-dark); }
.footer__call { margin-left: auto; font: 500 1rem/1 var(--mono); }
.footer__copy { width: 100%; padding-top: 18px; border-top: 1px solid var(--line); font-size: .875rem; color: var(--muted); }

/* ================= Mobile bar ================= */
.mobile-bar { display: none; }

/* ================= Responsive ================= */
@media (max-width: 1080px) {
  .nav { gap: 22px; }
  .ruler { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 72px; padding-bottom: 0; }
  .ruler::after { display: none; }
  .ruler__item { padding-bottom: 28px; border-bottom: 2px solid var(--paper); }
  .ruler__item::after { bottom: -10px; height: 20px; }
  .ruler__mark { bottom: -30px; }
}

@media (max-width: 900px) {
  :root { --header-h: 66px; }
  .logo__mark { width: 124px; }
  .header-call { display: none; }
  .menu-btn { display: inline-flex; }

  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 8px var(--gutter) 20px;
    background: var(--paper);
    border-bottom: 2px solid var(--ink);
    transform: translateY(-8px); visibility: hidden; opacity: 0;
    transition: transform .25s var(--ease), opacity .2s, visibility .25s;
  }
  .nav.is-open { transform: none; visibility: visible; opacity: 1; }
  .nav a { padding: 16px 0; font-size: 1.4rem; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }

  .hero { min-height: auto; padding-bottom: 0; }
  .hero__row { grid-template-columns: 1fr; }
  .stamp { position: relative; top: auto; right: auto; display: inline-flex; margin-top: 30px; }

  .offer-row__btn { grid-template-columns: auto minmax(0, 1fr) 44px; gap: 16px; padding: 22px 0; }
  .offer-row__hint { display: none; }
  .offer-row__toggle { width: 44px; height: 44px; }
  .offer-row__inner { grid-template-columns: 1fr; }

  .process__grid { grid-template-columns: 1fr; }
  .process__free { position: static; }

  .contact__slab { width: 100%; left: 0; height: 52%; bottom: auto; clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%); }
  .contact__grid { grid-template-columns: 1fr; }

  .gallery__grid { grid-template-columns: 1fr 1fr; }

  /* fixed action bar for one-tap calling */
  body { padding-bottom: 64px; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr;
    position: fixed; inset: auto 0 0 0; z-index: 60; height: 64px;
    border-top: 2px solid var(--ink);
  }
  .mobile-bar a {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    font: 700 1.1rem/1 var(--display); text-transform: uppercase; letter-spacing: .04em;
  }
  .mobile-bar__call { background: var(--ink); color: var(--white); font-family: var(--mono) !important; font-weight: 500 !important; font-size: 1rem !important; letter-spacing: 0 !important; }
  .mobile-bar__call .ico { color: var(--orange); }
  .mobile-bar__measure { background: var(--orange); color: var(--ink); }
}

@media (max-width: 640px) {
  .hero__title { font-size: clamp(2.7rem, 13.4vw, 4.4rem); }
  .hero__sub { font-size: 1.05rem; }
  .hero__fence { padding-inline: 8px; }
  .hero__fence svg { max-height: none; }
  .stamp__big { font-size: 2.6rem; }

  .ruler { grid-template-columns: 1fr; row-gap: 0; padding-left: 40px; }
  .ruler::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 18px;
    border-left: 2px solid var(--paper);
    background:
      linear-gradient(var(--paper) 1px, transparent 1px) 0 0 / 7px 12px repeat-y,
      linear-gradient(var(--paper) 1px, transparent 1px) 0 0 / 14px 60px repeat-y;
  }
  .ruler__item { padding: 0 0 36px; border-bottom: 0; }
  .ruler__item::after { left: -40px; top: 12px; bottom: auto; width: 26px; height: 3px; }
  .ruler__mark { left: auto; right: 0; top: 14px; bottom: auto; }

  .field-row { grid-template-columns: 1fr; }
  .quote { box-shadow: 6px 6px 0 var(--ink); }
  .footer__call { margin-left: 0; }
  .gallery__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .draw { stroke-dashoffset: 0; }
}