/* =========================================================
   BTR Tools GmbH — "Workshop Manual" design
   Warm bone paper · petrol green · ink black · brass accents
   Serif headlines · mono technical labels · hairline rules
   No external fonts or requests: system font stacks only.
   ========================================================= */

:root {
  --bone: #EFECE4;
  --paper: #F8F6F1;
  --sand: #E7DDC3;
  --ink: #111514;
  --ink-soft: #2B312F;
  --muted: #5B635F;
  --line: #D5D0C3;
  --petrol: #0F3B3C;
  --petrol-deep: #0A2829;
  --petrol-line: rgba(239, 236, 228, .16);
  --brass: #C79B3B;
  --brass-dark: #7A5710;
  --danger: #A3321F;
  --ok: #2F6B4F;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --max: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius: 2px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, address { margin: 0; }
ul, ol { padding: 0; list-style: none; }
address { font-style: normal; }
a { color: inherit; }
svg { display: block; max-width: 100%; }
[tabindex="-1"]:focus { outline: none; }

:focus-visible {
  outline: 3px solid var(--brass-dark);
  outline-offset: 3px;
}
.services :focus-visible,
.site-footer :focus-visible,
.contact__info :focus-visible,
.topbar :focus-visible,
.hero__visual :focus-visible,
.tile--a :focus-visible,
.tile--c :focus-visible { outline-color: var(--brass); }

.container {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  display: inline-block;
  width: 1.1em;
  height: 1.1em;
  flex: none;
  vertical-align: -.17em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: .75rem 1.1rem;
  background: var(--ink);
  color: var(--bone);
  text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 1rem; }

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.6rem;
  font: 600 .95rem/1 var(--sans);
  letter-spacing: .01em;
  text-decoration: none;
  color: var(--bone);
  background: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s;
}
.btn .icon { transition: transform .25s var(--ease); }
.btn:hover { background: var(--brass); border-color: var(--brass); color: var(--ink); }
.btn:hover .icon { transform: translateX(4px); }

.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--bone); }

.btn--small { padding: .75rem 1.15rem; font-size: .875rem; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .6rem;
  font-size: .92rem;
  color: var(--brass);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.text-link:hover { border-color: currentColor; }

/* ---------- Utility bar ---------- */
.topbar {
  background: var(--ink);
  color: #CDD0CA;
  font: 500 .75rem/1 var(--mono);
  letter-spacing: .04em;
}
.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  padding-block: .7rem;
}
.topbar__links { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; }
.topbar__links li { display: flex; align-items: center; gap: .45rem; }
.topbar a { text-decoration: none; }
.topbar a:hover { color: var(--brass); }
.topbar .icon { color: var(--brass); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bone);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 10px 28px -20px rgba(17, 21, 20, .55); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}
.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  fill: none;
  stroke: var(--petrol);
  stroke-width: 2.4;
  stroke-linejoin: round;
  transition: transform .5s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(60deg); }
.brand__text { display: flex; align-items: baseline; gap: .5rem; }
.brand__name { font: 600 1.55rem/1 var(--serif); letter-spacing: -.01em; }
.brand__legal { font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 2.5rem; }
.nav__list { display: flex; gap: 2.1rem; }
.nav__list a {
  position: relative;
  display: inline-block;
  padding-block: .4rem;
  font-size: .94rem;
  font-weight: 500;
  text-decoration: none;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--brass-dark);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav__list a:hover::after,
.nav__list a.is-active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0;
  background: transparent;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Shared type ---------- */
.label {
  display: flex;
  align-items: center;
  gap: .85rem;
  font: 500 .78rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brass-dark);
}
.label span {
  padding: .4rem .55rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}
.label--light { color: var(--brass); }

h2 {
  margin-top: 1.4rem;
  font: 400 clamp(2rem, 3.7vw, 3.35rem)/1.1 var(--serif);
  letter-spacing: -.015em;
  text-wrap: balance;
}

.section { padding-block: clamp(4.5rem, 8.5vw, 8rem); }

/* Scroll reveal */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(2.5rem, 5.5vw, 5rem); background: var(--bone); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: .9rem;
  font: 500 .78rem/1.4 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brass-dark);
}
.eyebrow::before { content: ""; width: 2.6rem; height: 1.5px; background: currentColor; flex: none; }

h1 {
  margin-top: 1.6rem;
  font: 400 clamp(2.6rem, 5.5vw, 5rem)/1.03 var(--serif);
  letter-spacing: -.025em;
  text-wrap: balance;
}
h1 em { font-style: italic; color: var(--petrol); }

.hero__lead {
  margin-top: 1.75rem;
  max-width: 35em;
  font-size: clamp(1.08rem, 1.5vw, 1.24rem);
  color: var(--ink-soft);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.25rem; }

.hero__notes {
  display: grid;
  gap: .6rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  font-size: .95rem;
  color: var(--ink-soft);
}
.hero__notes li { display: flex; align-items: center; gap: .65rem; }
.hero__notes .icon { color: var(--brass-dark); }

/* Hero figure */
.hero__visual {
  position: relative;
  padding: 1.1rem 1.4rem 1.4rem;
  color: var(--bone);
  background: var(--petrol);
  border-radius: var(--radius);
  box-shadow: 0 40px 70px -40px rgba(10, 40, 41, .7);
}
.hero__visual::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--petrol-line);
  pointer-events: none;
}
.visual__bar {
  display: flex;
  justify-content: space-between;
  padding: .35rem .25rem .6rem;
  font: 500 .72rem/1 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(239, 236, 228, .72);
}

.bike { width: 100%; height: auto; overflow: visible; }
.bike .ln { fill: none; stroke: var(--bone); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.bike .thin { stroke-width: 1; stroke-opacity: .6; }
.bike .brass { stroke: var(--brass); stroke-opacity: 1; }
.bike .dim { fill: none; stroke: var(--bone); stroke-opacity: .55; stroke-width: 1; }
.bike .spokes { fill: none; stroke: var(--bone); stroke-opacity: .55; stroke-width: 48; stroke-dasharray: 1.2 16.6; }
.bike .teeth { fill: none; stroke: var(--brass); stroke-width: 6; stroke-dasharray: 4.2 3.97; }
.bike .teeth--sm { stroke-width: 4; stroke-dasharray: 3.6 3.31; }
.bike .holes { fill: none; stroke: var(--brass); stroke-width: 3.5; stroke-linecap: round; stroke-dasharray: .1 11.42; }
.bike .chain { fill: none; stroke: var(--brass); stroke-width: 1.6; stroke-dasharray: 5 4; }
.bike .spring { fill: none; stroke: var(--brass); stroke-width: 7; stroke-dasharray: 2 3.2; }
.bike .pin__dot { fill: var(--brass); }
.bike .pin text { fill: var(--petrol); font: 700 15px var(--sans); }
.bike .pin__ring {
  fill: none;
  stroke: var(--brass);
  stroke-width: 1.5;
  transform-box: fill-box;
  transform-origin: center;
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: .9; }
  100% { transform: scale(1.9); opacity: 0; }
}

.bike.is-drawing .ln {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 1.8s cubic-bezier(.4, .1, .2, 1) both;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.legend {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: space-between;
  gap: .6rem 1rem;
  margin-top: .8rem;
  font: 500 .72rem/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.legend li { display: flex; align-items: center; gap: .5rem; }
.legend b {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--brass);
  color: var(--petrol);
  font: 700 .8rem/1 var(--sans);
}

/* Ledger strip */
.ledger {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(3rem, 6vw, 5rem);
  border-top: 1.5px solid var(--ink);
}
.ledger > div { padding: 1.5rem 1.5rem 2rem; border-right: 1px solid var(--line); }
.ledger > div:first-child { padding-left: 0; }
.ledger > div:last-child { border-right: 0; }
.ledger dt {
  margin-bottom: .65rem;
  font: 500 .72rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.ledger dd { font: 400 1.22rem/1.35 var(--serif); }
.ledger a { text-decoration: none; border-bottom: 1px solid var(--brass); }
.ledger a:hover { color: var(--brass-dark); }

/* ---------- About ---------- */
.about { background: var(--paper); border-top: 1px solid var(--line); }

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2.5rem, 6vw, 6.5rem);
  align-items: start;
}

.flatlay {
  margin-top: 2.75rem;
  padding: 1.5rem 1.5rem 1rem;
  background: var(--bone);
  border: 1px solid var(--line);
}
.flatlay svg { width: 100%; height: auto; }
.flatlay .fl { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.flatlay .fl-thin { stroke-width: 1; stroke-opacity: .6; }
.flatlay .fl-teeth { stroke: var(--petrol); stroke-width: 16; stroke-linecap: butt; stroke-dasharray: 9.6 8.83; }
.flatlay .fl-balls { stroke: var(--brass-dark); stroke-width: 13; stroke-dasharray: .1 27.65; }
.flatlay figcaption {
  margin-top: .9rem;
  padding-top: .8rem;
  border-top: 1px solid var(--line);
  font: 500 .72rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.flatlay figcaption span { margin-right: .75rem; color: var(--brass-dark); }

.lead {
  font: 400 clamp(1.3rem, 2.1vw, 1.7rem)/1.5 var(--serif);
  color: var(--ink);
}

.about__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
  margin-top: 2.25rem;
  color: var(--ink-soft);
}

.principle {
  margin-top: 2.75rem;
  padding: 1.9rem 2.2rem;
  background: var(--petrol);
  color: var(--bone);
  border-left: 4px solid var(--brass);
}
.principle__label {
  font: 500 .72rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brass);
}
.principle__text {
  margin-top: .9rem;
  font: italic 400 clamp(1.35rem, 2.2vw, 1.8rem)/1.35 var(--serif);
}

.glance {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 2.75rem;
  border-block: 1px solid var(--ink);
}
.glance > div { padding: 1.6rem 1.5rem 1.7rem; border-right: 1px solid var(--line); }
.glance > div:first-child { padding-left: 0; }
.glance > div:last-child { border-right: 0; }
.glance dt { font: 400 3.4rem/1 var(--serif); color: var(--petrol); }
.glance dd { margin-top: .7rem; font-size: .95rem; line-height: 1.5; color: var(--muted); }
.glance strong { display: block; margin-bottom: .2rem; font-size: 1rem; color: var(--ink); }

.catalogue { margin-top: 2.75rem; border: 1px solid var(--ink); background: var(--bone); }
.catalogue__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 1.4rem;
  background: var(--ink);
  color: var(--bone);
}
.catalogue__head h3 { font: 400 1.25rem/1.2 var(--serif); }
.catalogue__head span { font: 500 .72rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--brass); }
.catalogue__list li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
  transition: background .25s, padding-left .25s var(--ease);
}
.catalogue__list li:last-child { border-bottom: 0; }
.catalogue__list li:hover { background: var(--sand); padding-left: 1.9rem; }
.catalogue__no { font: 600 .85rem/1 var(--mono); color: var(--brass-dark); }
.catalogue__name { font: 400 1.15rem/1.3 var(--serif); }
.catalogue__desc { font-size: .92rem; color: var(--muted); }

/* ---------- Services ---------- */
.services { background: var(--petrol); color: var(--bone); }
.services h2 { color: var(--bone); }

.services__head {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.services__intro { color: rgba(239, 236, 228, .8); max-width: 34em; }

.svc-list { border-top: 1px solid var(--petrol-line); }
.svc {
  position: relative;
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.4fr) minmax(0, .8fr) 3.2rem;
  gap: 1.25rem 2.5rem;
  align-items: start;
  padding: 2.25rem 1.5rem 2.25rem 1.25rem;
  border-bottom: 1px solid var(--petrol-line);
  transition: background .3s, opacity .8s var(--ease), transform .8s var(--ease);
}
.svc::before {
  content: "";
  position: absolute;
  left: 0; top: -1px; bottom: -1px;
  width: 3px;
  background: var(--brass);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s var(--ease);
}
.svc:hover, .svc:focus-within { background: rgba(239, 236, 228, .05); }
.svc:hover::before, .svc:focus-within::before { transform: scaleY(1); }

.svc__no { font: 500 .9rem/1.9 var(--mono); letter-spacing: .08em; color: var(--brass); }
.svc__title { font: 400 clamp(1.45rem, 2.1vw, 1.85rem)/1.2 var(--serif); letter-spacing: -.01em; }
.svc__text { font-size: 1rem; color: rgba(239, 236, 228, .8); }
.svc__tags { display: flex; flex-wrap: wrap; gap: .45rem; }
.svc__tags li {
  padding: .3rem .6rem;
  font: 500 .68rem/1.2 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(239, 236, 228, .75);
  border: 1px solid var(--petrol-line);
  border-radius: 100px;
}
.svc__go {
  display: grid;
  place-items: center;
  width: 3.2rem;
  height: 3.2rem;
  color: var(--bone);
  border: 1px solid var(--petrol-line);
  border-radius: 50%;
  text-decoration: none;
  transition: background .25s, color .25s, border-color .25s, transform .3s var(--ease);
}
.svc__go::after { content: ""; position: absolute; inset: 0; }
.svc__go .icon { width: 1.25rem; height: 1.25rem; }
.svc:hover .svc__go, .svc:focus-within .svc__go {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--ink);
  transform: rotate(-45deg);
}

/* ---------- Why ---------- */
.why { background: var(--bone); }

.why__head {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.why__intro { color: var(--ink-soft); max-width: 30em; }

.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.25rem; }

.tile {
  position: relative;
  padding: 2.25rem;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color .35s, box-shadow .35s var(--ease), opacity .8s var(--ease), transform .8s var(--ease);
}
.tile:hover { border-color: var(--ink); box-shadow: 0 24px 40px -28px rgba(17, 21, 20, .45); }
.tile h3 { margin-top: 1.25rem; font: 400 clamp(1.4rem, 1.9vw, 1.65rem)/1.2 var(--serif); letter-spacing: -.01em; }
.tile p { margin-top: .85rem; font-size: .98rem; color: var(--muted); }
.tile__no {
  position: absolute;
  top: 1.6rem;
  right: 1.8rem;
  font: 500 .75rem/1 var(--mono);
  letter-spacing: .12em;
  color: var(--brass-dark);
}
.tile__icon { width: 2.1rem; height: 2.1rem; color: var(--petrol); stroke-width: 1.5; }

.tile--a {
  grid-column: 1 / 8;
  grid-row: 1 / 3;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bone);
}
.tile--a h3 { max-width: 14em; font-size: clamp(1.8rem, 2.8vw, 2.5rem); }
.tile--a p { max-width: 32em; color: rgba(239, 236, 228, .75); }
.tile--a .tile__icon, .tile--a .tile__no { color: var(--brass); }
.tile--a .tile__no { right: auto; left: 2.25rem; top: 2rem; }
.tile--a .tile__icon { position: absolute; top: 3.5rem; left: 2.25rem; }
.tile--a:hover { border-color: var(--brass); }
.tile__disc {
  position: absolute;
  top: -70px;
  right: -70px;
  width: min(380px, 70%);
  height: auto;
  fill: none;
  stroke: var(--brass);
  stroke-width: 1.5;
  opacity: .9;
  animation: spin 90s linear infinite;
}
.tile__disc .disc-holes { stroke-width: 8; stroke-linecap: round; stroke-dasharray: .1 19.2; }
.tile__disc .disc-bolts { stroke-width: 9; stroke-linecap: round; stroke-dasharray: .1 50.2; }
@keyframes spin { to { transform: rotate(360deg); } }

.tile--b { grid-column: 8 / 13; }
.tile--c { grid-column: 8 / 13; background: var(--petrol); border-color: var(--petrol); color: var(--bone); }
.tile--c p { color: rgba(239, 236, 228, .78); }
.tile--c .tile__icon, .tile--c .tile__no { color: var(--brass); }
.tile--c:hover { border-color: var(--brass); }
.tile--d { grid-column: 1 / 7; }
.tile--e { grid-column: 7 / 13; background: var(--sand); border-color: #D6C89F; }
.tile--e p { color: var(--ink-soft); }

/* ---------- Process ---------- */
.process { background: var(--paper); border-top: 1px solid var(--line); }

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(3rem, 5vw, 4.5rem);
}
.steps::before {
  content: "";
  position: absolute;
  top: 1.6rem;
  left: 1.6rem;
  right: 0;
  height: 1px;
  background: var(--ink);
}
.step { position: relative; padding-right: 2.25rem; }
.step__no {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 3.2rem;
  height: 3.2rem;
  font: 500 1rem/1 var(--mono);
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  transition: background .3s, border-color .3s, transform .35s var(--ease);
}
.step:hover .step__no { background: var(--brass); border-color: var(--brass); transform: scale(1.08); }
.step h3 { margin: 1.6rem 0 .6rem; font: 400 1.45rem/1.25 var(--serif); }
.step p { font-size: .98rem; color: var(--muted); }

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: clamp(3.5rem, 6vw, 5.5rem);
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.5rem, 3.5vw, 3rem);
  background: var(--sand);
  border: 1px solid #D6C89F;
}
.cta-band h3 { max-width: 28em; font: 400 clamp(1.4rem, 2.4vw, 2rem)/1.25 var(--serif); }
.cta-band .btn { flex: none; }

/* ---------- Contact ---------- */
.contact { background: var(--bone); border-top: 1px solid var(--line); }

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  border: 1px solid var(--ink);
}
.contact__info {
  padding: clamp(2rem, 4vw, 3.75rem);
  background: var(--ink);
  color: var(--bone);
}
.contact__info h2 { color: var(--bone); font-size: clamp(1.9rem, 3vw, 2.7rem); }
.contact__lead { margin-top: 1.25rem; color: rgba(239, 236, 228, .75); }

.contact__details { margin-top: 2.25rem; border-top: 1px solid var(--petrol-line); }
.contact__details > div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--petrol-line);
}
.contact__details dt { font: 500 .72rem/1.9 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--brass); }
.contact__details a { text-decoration: none; border-bottom: 1px solid var(--brass); }
.contact__details a:hover { color: var(--brass); }
.contact__details .text-link { border-bottom: 1px solid transparent; }
.contact__details .text-link:hover { border-color: currentColor; }

.contact__include { margin-top: 2rem; }
.contact__include-title { font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--brass); }
.contact__include ul { display: grid; gap: .6rem; margin-top: 1rem; font-size: .95rem; color: rgba(239, 236, 228, .82); }
.contact__include li { display: flex; gap: .65rem; align-items: flex-start; }
.contact__include .icon { margin-top: .3rem; color: var(--brass); }

.contact__form-wrap { padding: clamp(2rem, 4vw, 3.75rem); background: var(--paper); }
.form-title { font: 400 clamp(1.6rem, 2.4vw, 2.1rem)/1.2 var(--serif); margin-bottom: 2rem; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem 2rem; }
.field--full { grid-column: 1 / -1; }
.field label:not(.check) { display: block; margin-bottom: .2rem; font-size: .85rem; font-weight: 600; }
.field label span { color: var(--brass-dark); }

.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea {
  width: 100%;
  padding: .75rem 0;
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--ink);
  border-radius: 0;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { min-height: 8.5rem; resize: vertical; }
.field select {
  appearance: none;
  padding-right: 1.75rem;
  cursor: pointer;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23111514' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 9l7 7 7-7'/%3E%3C/svg%3E") no-repeat right .1rem center;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brass-dark);
  box-shadow: 0 1.5px 0 var(--brass-dark);
}

.field__error { min-height: 1.3em; margin-top: .3rem; font-size: .82rem; color: var(--danger); }
.field.has-error input:not([type="checkbox"]),
.field.has-error textarea { border-color: var(--danger); }

.check { display: flex; gap: .8rem; align-items: flex-start; font-size: .9rem; color: var(--ink-soft); cursor: pointer; }
.check input { flex: none; width: 1.15rem; height: 1.15rem; margin-top: .25rem; accent-color: var(--petrol); }
.check a { color: var(--petrol); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form .btn { margin-top: 1.4rem; }
.form-note { margin-top: 1.1rem; font-size: .84rem; color: var(--muted); }
.form-status { display: none; margin-top: 1.25rem; padding: 1rem 1.2rem; font-size: .95rem; border-left: 3px solid; }
.form-status.is-success { display: block; color: #1D4A36; background: #E2EEE7; border-color: var(--ok); }
.form-status.is-error { display: block; color: #7C2314; background: #F4E3DF; border-color: var(--danger); }

/* ---------- Footer ---------- */
.site-footer {
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  background: var(--ink);
  color: #C6C9C2;
  overflow: hidden;
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--brass); }

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
}
.footer__brand .brand__mark { stroke: var(--brass); }
.footer__brand .brand__name { color: var(--bone); }
.footer__brand .brand__legal { color: #9AA09A; }
.footer__brand p { max-width: 22em; margin-top: 1.25rem; font-size: .96rem; }
.footer__title { margin-bottom: 1.2rem; font: 500 .75rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--brass); }
.footer__top ul { display: grid; gap: .6rem; font-size: .96rem; }
.footer__top address { font-size: .96rem; line-height: 1.8; }

.footer__wordmark {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  font: 400 clamp(4.5rem, 17vw, 15rem)/.82 var(--serif);
  letter-spacing: -.04em;
  white-space: nowrap;
  color: rgba(239, 236, 228, .06);
  user-select: none;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding-block: 1.6rem 2rem;
  border-top: 1px solid rgba(239, 236, 228, .14);
  font: 500 .76rem/1.5 var(--mono);
  letter-spacing: .04em;
}
.footer__bottom ul { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; }

/* ---------- Responsive ---------- */
@media (min-width: 1000px) and (min-height: 860px) {
  .about__head { position: sticky; top: 112px; }
}

@media (max-width: 1180px) {
  .svc {
    grid-template-columns: 3.5rem minmax(0, 1fr) 3.2rem;
    grid-template-areas:
      "no title go"
      ".  text  text"
      ".  tags  tags";
    gap: 1rem 1.5rem;
  }
  .svc__no { grid-area: no; }
  .svc__title { grid-area: title; }
  .svc__text { grid-area: text; max-width: 46em; }
  .svc__tags { grid-area: tags; }
  .svc__go { grid-area: go; }
}

@media (max-width: 1020px) {
  .hero__grid, .about__grid, .services__head, .why__head, .contact__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 760px; }
  .about__head { position: static; }
  .flatlay { max-width: 560px; }
  .ledger { grid-template-columns: repeat(2, 1fr); }
  .ledger > div { padding: 1.3rem 1rem 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .ledger > div:first-child { padding-left: 0; }
  .ledger > div:nth-child(even) { padding-left: 1.25rem; border-left: 1px solid var(--line); }
  .ledger > div:nth-last-child(-n+2) { border-bottom: 0; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 3rem; }
  .steps::before { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 959px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem var(--gutter) 1.75rem;
    background: var(--bone);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 30px -24px rgba(17, 21, 20, .5);
  }
  .nav.is-open { display: flex; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list a { display: block; padding: 1rem 0; font-size: 1.08rem; border-bottom: 1px solid var(--line); }
  .nav__list a::after { display: none; }
  .nav__list a.is-active { color: var(--brass-dark); }
  .nav__cta { margin-top: 1.4rem; justify-content: center; padding: 1rem; }
  body.nav-open { overflow: hidden; }
}

@media (max-width: 820px) {
  .tile--a, .tile--b, .tile--c, .tile--d, .tile--e { grid-column: 1 / -1; grid-row: auto; }
  .tile--a { min-height: 420px; }
  .about__cols { grid-template-columns: 1fr; }
  .glance { grid-template-columns: 1fr; }
  .glance > div, .glance > div:first-child { padding: 1.4rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .glance > div:last-child { border-bottom: 0; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .catalogue__list li { grid-template-columns: 2rem 1fr; }
  .catalogue__desc { grid-column: 2; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 80px; }
  .topbar__text { display: none; }
  .topbar__inner { justify-content: flex-start; }
  .header__inner { min-height: 68px; }
  .brand__name { font-size: 1.4rem; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__visual { padding: .9rem .9rem 1.1rem; }
  .legend { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; row-gap: 0; }
  .steps::before { display: block; top: 0; bottom: 0; left: 1.6rem; right: auto; width: 1px; height: auto; }
  .step { padding: 0 0 2.5rem 4.75rem; }
  .step__no { position: absolute; left: 0; top: 0; }
  .step h3 { margin-top: .55rem; }
  .form-grid { grid-template-columns: 1fr; }
  .contact__details > div { grid-template-columns: 1fr; gap: .15rem; }
  .svc { grid-template-columns: 2.75rem minmax(0, 1fr) 3rem; padding-right: .5rem; gap: .9rem 1rem; }
  .svc__go { width: 2.75rem; height: 2.75rem; }
  .footer__top { grid-template-columns: 1fr; gap: 2.25rem; }
  .tile { padding: 1.75rem; }
  .tile--a .tile__no { left: 1.75rem; }
  .tile--a .tile__icon { left: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}