/* ==========================================================================
   CHILVERSTONE ENGINEERING — OPTION 04 "PRECISION"
   Premium, quiet, minimal. Near-black ground, hairline structure,
   enormous negative space. One type family. Almost no colour.
   1.  Tokens
   2.  Reset & base
   3.  Typography
   4.  Layout primitives
   5.  Labels, rules & small parts
   6.  Buttons & links
   7.  Header & navigation
   8.  Mobile navigation
   9.  Hero
   10. Page header
   11. Service disclosure list
   12. Machinery table
   13. Work grid, filters & lightbox
   14. Panels
   15. Forms
   16. Contact
   17. CTA band
   18. Footer
   19. Motion & reveal
   20. Utilities
   21. Print
   22. Responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Palette — brand values only */
  --black: #0a0a0a;
  --black-deep: #050506;
  --charcoal: #17181b;
  --silver: #c7c9ce;
  --blue: #2977ff;
  --blue-text: #4c8cff;
  --blue-deep: #1f5fe0;
  --blue-press: #1a52c4;
  --white: #ffffff;

  /* Derived neutrals */
  --hairline: rgba(199, 201, 206, 0.16);
  --hairline-mid: rgba(199, 201, 206, 0.3);
  --hairline-strong: rgba(199, 201, 206, 0.55);
  --ink-body: rgba(199, 201, 206, 0.94);
  --ink-muted: rgba(199, 201, 206, 0.82);
  --ink-dim: rgba(199, 201, 206, 0.62);
  --ink-faint: rgba(199, 201, 206, 0.22);

  /* Type */
  --font-sans: "Inter", "Space Grotesk", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --step--2: 0.6875rem;   /* 11px */
  --step--1: 0.75rem;     /* 12px */
  --step-0: 0.9375rem;    /* 15px */
  --step-1: 1rem;         /* 16px */
  --step-2: 1.125rem;     /* 18px */
  --step-3: clamp(1.375rem, 1.1rem + 1.1vw, 1.75rem);
  --step-4: clamp(1.75rem, 1.3rem + 2vw, 2.75rem);
  --step-5: clamp(2.25rem, 1.4rem + 3.6vw, 4.25rem);
  --step-6: clamp(2.75rem, 1.5rem + 5.2vw, 6rem);

  --tracking-tight: -0.02em;
  --tracking-label: 0.24em;
  --tracking-label-wide: 0.35em;
  --tracking-kicker: 0.42em;

  --measure: 66ch;
  --measure-narrow: 56ch;

  /* Space */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sp-10: 8rem;
  --sp-11: 10rem;

  --section-y: clamp(4.5rem, 2rem + 10vw, 11rem);
  --section-y-tight: clamp(3.5rem, 2rem + 6vw, 7rem);
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 3rem);

  /* Structure */
  --shell: 1180px;
  --narrow: 760px;
  --radius: 2px;
  --header-h: 84px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 700ms;
  --dur-fast: 260ms;

  --z-header: 100;
  --z-overlay: 90;
  --z-lightbox: 200;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after{ box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background-color: var(--black);
  color-scheme: dark;
}

body {
  margin: 0;
  background-color: var(--black);
  color: var(--ink-body);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  font-weight: 300;
  line-height: 1.75;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked{ overflow: hidden; }

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd{ margin: 0; }

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

[hidden]{ display: none !important; }

::selection {
  background-color: var(--blue-deep);
  color: var(--white);
}

:focus-visible {
  outline: 1px solid var(--blue);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4 {
  color: var(--white);
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 {
  font-size: var(--step-6);
  line-height: 1.05;
}

h2 {
  font-size: var(--step-5);
  line-height: 1.08;
}

h3 {
  font-size: var(--step-3);
  line-height: 1.2;
}

h4 {
  font-size: var(--step-2);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p{ max-width: var(--measure); }

strong,
b {
  font-weight: 500;
  color: var(--white);
}

em{ font-style: italic; }

.lede {
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--ink-body);
  max-width: var(--measure);
  font-weight: 300;
}
.prose > * + *{ margin-top: var(--sp-5); }

.prose p{ max-width: var(--measure); }

/* --------------------------------------------------------------------------
   4. LAYOUT PRIMITIVES
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--narrow{ max-width: var(--narrow); }
.section {
  padding-block: var(--section-y);
  position: relative;
}

.section--deep{ background-color: var(--black-deep); }

.section--tight{ padding-block: var(--section-y-tight); }
.section__head {
  max-width: var(--narrow);
  margin-bottom: clamp(3rem, 2rem + 4vw, 5.5rem);
}

.section__head--centred {
  margin-inline: auto;
  text-align: center;
}

.section__head--centred p{ margin-inline: auto; }

.section__head > * + *{ margin-top: var(--sp-5); }
.grid {
  display: grid;
  gap: var(--sp-7);
}

.grid--2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

.grid--3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }

.grid--4{ grid-template-columns: repeat(4, minmax(0, 1fr)); }

.grid--split {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 1rem + 6vw, 7rem);
}

.grid--form {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  gap: clamp(2.5rem, 1rem + 6vw, 6rem);
}

.stack > * + *{ margin-top: var(--sp-5); }/* --------------------------------------------------------------------------
   5. LABELS, RULES & SMALL PARTS
   -------------------------------------------------------------------------- */
.label {
  display: block;
  font-size: var(--step--1);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-muted);
  line-height: 1.4;
}

.label--wide{ letter-spacing: var(--tracking-label-wide); }

.label--kicker {
  font-size: var(--step--2);
  letter-spacing: var(--tracking-kicker);
  color: var(--ink-dim);
}
.label__index {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  margin-right: var(--sp-3);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.5rem, 0.5rem + 5vw, 5rem);
}

.meta-row__item {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--silver);
  transition: color var(--dur-fast) var(--ease);
}

.arrow-link svg {
  width: 28px;
  height: 10px;
  flex: none;
  transition: transform var(--dur-fast) var(--ease);
}

.arrow-link:hover,
.arrow-link:focus-visible{ color: var(--white); }

.arrow-link:hover svg,
.arrow-link:focus-visible svg{ transform: translateX(4px); }

.underlined {
  border-bottom: 1px solid var(--hairline-mid);
  padding-bottom: 1px;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.underlined:hover,
.underlined:focus-visible {
  color: var(--white);
  border-bottom-color: var(--blue);
}

/* --------------------------------------------------------------------------
   6. BUTTONS & LINKS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 1rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: var(--step--1);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.btn svg {
  width: 12px;
  height: 12px;
  flex: none;
}

.btn--primary {
  background-color: var(--blue-deep);
  color: var(--white);
}

.btn--primary:hover,
.btn--primary:focus-visible{ background-color: var(--blue-press); }

.btn--ghost {
  border-color: var(--hairline-mid);
  color: var(--silver);
  background-color: transparent;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--hairline-strong);
  color: var(--white);
}

.btn--sm {
  padding: 0.75rem 1.25rem;
  font-size: var(--step--2);
  letter-spacing: 0.18em;
}

.btn--full{ width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
}

.btn-row--centre{ justify-content: center; }

/* --------------------------------------------------------------------------
   7. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--sp-5);
  top: -100px;
  z-index: 999;
  background-color: var(--blue-deep);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus{ top: var(--sp-5); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  padding-block: 1.5rem;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-fast) var(--ease),
    padding var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.site-header.is-scrolled {
  background-color: var(--black);
  border-bottom-color: var(--hairline);
  padding-block: 0.75rem;
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: 48px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  flex: none;
}

.brand__mark {
  width: 40px;
  height: 40px;
  flex: none;
}

.brand__lockup {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  line-height: 1;
}

.brand__name {
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.brand__descriptor {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-muted);
  font-size: 0.5rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.34em;
  white-space: nowrap;
}

.brand__descriptor::before,
.brand__descriptor::after {
  content: "";
  display: block;
  height: 1px;
  background-color: var(--hairline-mid);
  flex: 1 1 auto;
  min-width: 10px;
}

.brand__descriptor::after{ min-width: 10px; }

.nav{ margin-left: auto; }

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 0.2rem + 1.6vw, 2.25rem);
}

.nav__link {
  position: relative;
  display: inline-block;
  padding-block: 0.5rem;
  font-size: var(--step--1);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  transition: color var(--dur-fast) var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background-color: var(--blue);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-fast) var(--ease);
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link[aria-current="page"]{ color: var(--white); }

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link[aria-current="page"]::after{ transform: scaleX(1); }

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex: none;
}

.header__tel {
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  transition: color var(--dur-fast) var(--ease);
}

.header__tel:hover,
.header__tel:focus-visible{ color: var(--white); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline-mid);
  border-radius: var(--radius);
}

.nav-toggle__bars {
  display: block;
  position: relative;
  width: 18px;
  height: 10px;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--silver);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle__bars span:first-child{ top: 0; }

.nav-toggle__bars span:last-child{ bottom: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{ transform: translateY(4.5px) rotate(45deg); }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{ transform: translateY(-4.5px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   8. MOBILE NAVIGATION
   -------------------------------------------------------------------------- */
.mnav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background-color: rgba(5, 5, 6, 0.97);
  padding: calc(var(--header-h) + 2rem) var(--gutter) var(--sp-8);
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease), visibility var(--dur-fast) var(--ease);
}

.mnav.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mnav__list {
  max-width: 420px;
  margin-inline: auto;
  width: 100%;
}

.mnav__list li + li{ border-top: 1px solid var(--hairline); }

.mnav__link {
  display: block;
  padding-block: 1.1rem;
  font-size: var(--step-1);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--ink-muted);
  transition: color var(--dur-fast) var(--ease);
}

.mnav__link:hover,
.mnav__link:focus-visible,
.mnav__link[aria-current="page"]{ color: var(--white); }

.mnav__footer {
  max-width: 420px;
  margin: var(--sp-7) auto 0;
  width: 100%;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--hairline);
  text-align: center;
}

.mnav__footer .btn{ margin-top: var(--sp-5); }

/* No-JS fallback: the overlay degrades to a plain stacked list in the flow */
html.no-js .nav-toggle{ display: none; }

html.no-js .mnav {
  position: static;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  background-color: transparent;
  padding: var(--sp-5) 0 0;
  justify-content: flex-start;
  border-bottom: 1px solid var(--hairline);
}

html.no-js .mnav__footer {
  border-top: 0;
  padding-top: var(--sp-5);
  margin-top: 0;
}

/* --------------------------------------------------------------------------
   9. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(4rem, 2rem + 8vw, 8.5rem));
  padding-bottom: clamp(4rem, 2rem + 7vw, 8rem);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  width: min(1100px, 130vw);
  aspect-ratio: 1 / 1;
  transform: translateX(-50%);
  background: radial-gradient(
    circle at 50% 50%,
    rgba(199, 201, 206, 0.055) 0%,
    rgba(199, 201, 206, 0.018) 38%,
    rgba(10, 10, 10, 0) 68%
  );
  pointer-events: none;
}

.hero__inner {
  position: relative;
  max-width: var(--narrow);
  margin-inline: auto;
}

.hero__mark {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--sp-6);
}

.hero__kicker{ margin-bottom: var(--sp-6); }

.hero__title{ margin-bottom: var(--sp-6); }

.hero__sub {
  margin: 0 auto var(--sp-8);
  max-width: 58ch;
  font-size: var(--step-1);
  line-height: 1.75;
  color: var(--ink-body);
}

.hero__meta {
  margin-top: clamp(3rem, 2rem + 4vw, 5.5rem);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--hairline);
}

.hero__trust{ margin-top: var(--sp-6); }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem 1.5rem;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-dim);
}

.trust-strip li {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.trust-strip li + li::before {
  content: "";
  width: 4px;
  height: 1px;
  background-color: var(--ink-faint);
}/* --------------------------------------------------------------------------
   10. PAGE HEADER
   -------------------------------------------------------------------------- */
.page-head {
  padding-top: calc(var(--header-h) + clamp(3.5rem, 2rem + 6vw, 7rem));
  padding-bottom: clamp(3rem, 2rem + 4vw, 5rem);
  border-bottom: 1px solid var(--hairline);
  text-align: center;
}

.page-head__inner {
  max-width: var(--narrow);
  margin-inline: auto;
}

.page-head h1 {
  margin-top: var(--sp-5);
  font-size: clamp(2.25rem, 1.4rem + 3.4vw, 4rem);
}

.page-head__lede {
  margin: var(--sp-6) auto 0;
  max-width: 60ch;
  color: var(--ink-body);
  font-size: var(--step-1);
}

/* --------------------------------------------------------------------------
   11. SERVICE DISCLOSURE LIST
   -------------------------------------------------------------------------- */
.svc-list{ border-top: 1px solid var(--hairline); }

.svc{ border-bottom: 1px solid var(--hairline); }

.svc__summary {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr) 24px;
  align-items: baseline;
  gap: var(--sp-5);
  padding-block: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-fast) var(--ease);
}

.svc__summary::-webkit-details-marker{ display: none; }

.svc__index {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

.svc__title {
  color: var(--white);
  font-size: var(--step-3);
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
}

.svc__line {
  display: block;
  margin-top: 0.5rem;
  font-size: var(--step-0);
  color: var(--ink-muted);
  max-width: var(--measure);
}

.svc__mark {
  position: relative;
  width: 18px;
  height: 18px;
  justify-self: end;
  align-self: center;
  flex: none;
}

.svc__mark::before,
.svc__mark::after {
  content: "";
  position: absolute;
  background-color: var(--ink-muted);
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.svc__mark::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
}

.svc__mark::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
}

.svc[open] .svc__mark::after{ transform: scaleY(0); }

.svc__summary:hover .svc__title,
.svc__summary:focus-visible .svc__title{ color: var(--white); }

.svc__summary:hover .svc__mark::before,
.svc__summary:hover .svc__mark::after,
.svc__summary:focus-visible .svc__mark::before,
.svc__summary:focus-visible .svc__mark::after{ background-color: var(--blue); }

.svc__body {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--sp-5);
  padding-bottom: clamp(2rem, 1rem + 2.5vw, 3.5rem);
}

.svc__body-inner {
  max-width: var(--measure);
  display: grid;
  gap: var(--sp-6);
}

.svc__sub {
  display: grid;
  gap: var(--sp-4);
}

.svc__facts {
  display: grid;
  gap: var(--sp-2);
}

.svc__facts li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--ink-muted);
}

.svc__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 1px;
  background-color: var(--ink-faint);
}

.svc__note {
  border-left: 1px solid var(--hairline-mid);
  padding-left: var(--sp-5);
  color: var(--ink-muted);
  font-size: var(--step-0);
}

.svc__note .label{ margin-bottom: var(--sp-2); }

.svc__actions{ margin-top: var(--sp-2); }

/* --------------------------------------------------------------------------
   12. MACHINERY TABLE
   -------------------------------------------------------------------------- */
.spec-table{ font-size: var(--step-0); }

.spec-table caption {
  text-align: left;
  padding-bottom: var(--sp-5);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-dim);
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding-block: 1.15rem;
  padding-right: var(--sp-5);
  border-bottom: 1px solid var(--hairline);
  vertical-align: baseline;
}

.spec-table thead th {
  font-size: var(--step--2);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-dim);
  border-bottom-color: var(--hairline-mid);
}

.spec-table tbody th {
  font-weight: 300;
  color: var(--silver);
  width: 45%;
}

.spec-table td {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.spec-table td.is-empty{ color: var(--ink-dim); }

.table-note {
  margin-top: var(--sp-5);
  font-size: var(--step-0);
  color: var(--ink-dim);
  max-width: var(--measure);
}

.machine-list{ border-top: 1px solid var(--hairline); }

.machine {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  padding-block: clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
  border-bottom: 1px solid var(--hairline);
  align-items: start;
}

.machine__media {
  position: relative;
  overflow: hidden;
  background-color: var(--charcoal);
}

.machine__media::after,
.tile__media::after,
.figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(199, 201, 206, 0.07) 0%,
    rgba(10, 10, 10, 0.24) 100%
  );
  pointer-events: none;
}

.machine__media img,
.tile__media img,
.figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.4) brightness(0.92);
  transition: transform 1.2s var(--ease), filter var(--dur) var(--ease);
}

.machine__media{ aspect-ratio: 3 / 2; }

.machine:hover .machine__media img{ filter: grayscale(0.15) brightness(1); }

.machine__spec {
  display: grid;
  gap: 0;
  margin-top: var(--sp-5);
}

.machine__spec div {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: 0.6rem;
  border-top: 1px solid var(--hairline);
}

.machine__spec dt {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-dim);
}

.machine__spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------------
   13. WORK GRID, FILTERS & LIGHTBOX
   -------------------------------------------------------------------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding-block: 0.35rem;
  margin-bottom: var(--sp-6);
}

.filters__item {
  display: flex;
  align-items: center;
}

.filters__item + .filters__item::before {
  content: "";
  width: 1px;
  height: 14px;
  background-color: var(--hairline);
  margin-inline: 0.25rem;
}

.filter-btn {
  padding: 1rem 1.15rem;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-dim);
  transition: color var(--dur-fast) var(--ease);
}

.filter-btn:hover,
.filter-btn:focus-visible{ color: var(--silver); }

.filter-btn[aria-pressed="true"] {
  color: var(--white);
  box-shadow: inset 0 -1px 0 0 var(--blue);
}

.gallery-status {
  margin-bottom: var(--sp-7);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-dim);
  max-width: none;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 0.5rem + 2.5vw, 2.5rem);
}

.tile{ margin: 0; }

.tile[hidden]{ display: none !important; }

.tile__link{ display: block; }

.tile__media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background-color: var(--charcoal);
}

.tile:hover .tile__media img,
.tile__link:focus-visible .tile__media img {
  transform: scale(1.05);
  filter: grayscale(0.15) brightness(1);
}

.tile__caption {
  padding-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tile__title {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--silver);
}

.tile__note {
  font-size: var(--step--1);
  color: var(--ink-dim);
  letter-spacing: 0;
  text-transform: none;
}

.tile__index {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.18em;
  color: var(--ink-dim);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: none;
  background-color: rgba(5, 5, 6, 0.94);
  padding: clamp(1rem, 0.5rem + 3vw, 3rem);
}

.lightbox.is-open {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__frame {
  position: relative;
  width: min(1060px, 100%);
  max-height: 100%;
  border: 1px solid var(--hairline-mid);
  background-color: var(--black);
  padding: clamp(0.75rem, 0.3rem + 1.4vw, 1.25rem);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.lightbox__stage {
  position: relative;
  background-color: var(--charcoal);
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.lightbox__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.3) brightness(0.95);
}

.lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
}

.lightbox__caption {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--silver);
}

.lightbox__sub {
  font-size: var(--step--1);
  color: var(--ink-dim);
  letter-spacing: 0;
  text-transform: none;
}

.lightbox__counter {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.18em;
  color: var(--ink-dim);
}

.lightbox__controls {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--hairline-mid);
  border-radius: var(--radius);
  color: var(--silver);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.icon-btn:hover,
.icon-btn:focus-visible {
  border-color: var(--blue);
  color: var(--white);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

.lightbox__close {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background-color: var(--black);
}

/* --------------------------------------------------------------------------
   14. PANELS
   -------------------------------------------------------------------------- */
.panel {
  border-top: 1px solid var(--hairline);
  padding-top: clamp(2.5rem, 1.5rem + 3vw, 4rem);
}

.panel--accent{ border-top: 1px solid var(--blue); }
.num-list {
  counter-reset: num;
  border-top: 1px solid var(--hairline);
}

.num-item {
  counter-increment: num;
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--sp-5);
  padding-block: clamp(1.75rem, 1rem + 2vw, 2.75rem);
  border-bottom: 1px solid var(--hairline);
}

.num-item__index {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  padding-top: 0.4rem;
}
.num-item h3{ font-size: var(--step-3); }

.num-item p{ color: var(--ink-muted); }

.figure{ margin: 0; }

.figure__media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background-color: var(--charcoal);
}

.figure--wide .figure__media{ aspect-ratio: 3 / 2; }

.figure__caption {
  margin-top: var(--sp-4);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-dim);
}

.figure__caption span {
  display: block;
  margin-top: 0.3rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-dim);
}

.icon-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: var(--sp-5);
  padding-block: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  border-top: 1px solid var(--hairline);
}

.num-item .icon-item {
  border-top: 0;
  padding-block: 0;
  gap: var(--sp-4);
}

.icon-item__icon {
  width: 22px;
  height: 22px;
  color: var(--ink-muted);
  margin-top: 0.3rem;
}

.icon-item__icon svg {
  width: 100%;
  height: 100%;
}

.icon-item h3 {
  font-size: var(--step-2);
  font-weight: 300;
}

.icon-item p {
  margin-top: var(--sp-3);
  color: var(--ink-muted);
  font-size: var(--step-0);
}

.icon-item .arrow-link{ margin-top: var(--sp-4); }

.value-list{ border-top: 1px solid var(--hairline); }

.value-list > li {
  padding-block: clamp(1.75rem, 1rem + 2vw, 2.5rem);
  border-bottom: 1px solid var(--hairline);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding-block: var(--sp-5);
}

.chip-row li {
  display: flex;
  align-items: center;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
}

.chip-row li + li::before {
  content: "";
  width: 1px;
  height: 12px;
  background-color: var(--hairline-mid);
  margin-inline: 1.25rem;
}

.steps{ border-top: 1px solid var(--hairline); }

.step {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--sp-5);
  padding-block: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  border-bottom: 1px solid var(--hairline);
}

.step__index {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

.step h3 {
  font-size: var(--step-2);
  font-weight: 300;
}

.step p {
  margin-top: var(--sp-3);
  color: var(--ink-muted);
  font-size: var(--step-0);
}

.checklist {
  display: grid;
  gap: var(--sp-3);
}

.checklist li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--ink-muted);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 1px;
  background-color: var(--blue);
}

/* --------------------------------------------------------------------------
   15. FORMS
   -------------------------------------------------------------------------- */
.form {
  display: grid;
  gap: var(--sp-6);
}

.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-5) var(--sp-6);
}

.field {
  display: grid;
  gap: 0.5rem;
}

.field--full{ grid-column: 1 / -1; }

.field__label {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
}

.field__req{ color: var(--blue-text); }

.field__hint {
  font-size: var(--step--1);
  color: var(--ink-dim);
  line-height: 1.5;
}

.input,
.textarea,
.select {
  width: 100%;
  background-color: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline-mid);
  border-radius: 0;
  padding: 0.7rem 0;
  color: var(--white);
  font-size: var(--step-1);
  font-weight: 300;
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.input:hover,
.textarea:hover,
.select:hover{ border-bottom-color: var(--hairline-strong); }

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-bottom-color: var(--blue);
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  outline: 1px solid var(--blue);
  outline-offset: 4px;
}

.textarea {
  min-height: 9rem;
  resize: vertical;
  line-height: 1.7;
}

.select {
  appearance: none;
  background-image: none;
  cursor: pointer;
}

.select option {
  background-color: var(--black);
  color: var(--white);
}

.input.is-invalid,
.textarea.is-invalid,
.select.is-invalid{ border-bottom-color: #ff6b6b; }

.field__error {
  font-size: var(--step--1);
  color: #ff9a9a;
  letter-spacing: 0.02em;
}

.field__error:empty{ display: none; }

.consent {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: var(--sp-4);
  align-items: start;
}

.consent input {
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: 0.3rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 0;
  background-color: transparent;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.consent input:checked {
  background-color: var(--blue);
  border-color: var(--blue);
}

.consent label {
  font-size: var(--step-0);
  color: var(--ink-muted);
  cursor: pointer;
}

.consent.is-invalid input{ border-color: #ff6b6b; }

.error-summary {
  border: 1px solid rgba(255, 107, 107, 0.5);
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-6);
  background-color: rgba(255, 107, 107, 0.05);
}

.error-summary:empty{ display: none; }

.error-summary h3 {
  font-size: var(--step-1);
  font-weight: 400;
  letter-spacing: 0;
  color: #ff9a9a;
  margin-bottom: var(--sp-3);
}

.error-summary ul {
  display: grid;
  gap: 0.4rem;
}

.error-summary a {
  color: var(--silver);
  border-bottom: 1px solid var(--hairline-mid);
}

.error-summary a:hover,
.error-summary a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--blue);
}

.dropzone {
  border: 1px dashed var(--hairline-mid);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  text-align: center;
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.dropzone.is-dragover {
  border-color: var(--blue);
  background-color: rgba(41, 119, 255, 0.05);
}

.dropzone__icon {
  width: 26px;
  height: 26px;
  margin: 0 auto var(--sp-4);
  color: var(--ink-muted);
}

.dropzone__text {
  font-size: var(--step-0);
  color: var(--ink-muted);
}

.dropzone__browse{ margin-top: var(--sp-5); }

.file-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.file-list {
  margin-top: var(--sp-5);
  border-top: 1px solid var(--hairline);
}

.file-list:empty{ display: none; }

.file-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--sp-4);
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--hairline);
  font-size: var(--step-0);
}

.file-list__name {
  color: var(--silver);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list__size {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--ink-dim);
  white-space: nowrap;
}

.file-list__remove {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--ink-muted);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.file-list__remove:hover,
.file-list__remove:focus-visible {
  border-color: var(--blue);
  color: var(--white);
}

.file-list__remove svg {
  width: 11px;
  height: 11px;
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--hairline);
}

.form__aside-note {
  font-size: var(--step-0);
  color: var(--ink-dim);
}

.success-panel {
  border: 1px solid var(--hairline-mid);
  border-radius: var(--radius);
  padding: clamp(2rem, 1.5rem + 2vw, 3.5rem);
}

.success-panel__mark {
  width: 28px;
  height: 28px;
  color: var(--blue);
  margin-bottom: var(--sp-5);
}

.success-panel h3{ font-size: var(--step-3); }

.success-panel p {
  margin-top: var(--sp-4);
  color: var(--ink-muted);
}

.success-panel .btn-row{ margin-top: var(--sp-6); }
.contact-quick {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

/* --------------------------------------------------------------------------
   16. CONTACT
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--hairline);
}

.contact-grid .contact-item{ padding-right: clamp(1rem, 0.5rem + 3vw, 3rem); }

.contact-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: var(--sp-5);
  padding-block: clamp(1.75rem, 1rem + 2vw, 2.5rem);
  border-bottom: 1px solid var(--hairline);
}

.contact-item__icon {
  width: 20px;
  height: 20px;
  color: var(--ink-muted);
  margin-top: 0.35rem;
}

.contact-item__icon svg {
  width: 100%;
  height: 100%;
}

.contact-item__value {
  display: block;
  margin-top: var(--sp-3);
  font-size: var(--step-2);
  font-weight: 300;
  color: var(--white);
  letter-spacing: -0.01em;
  word-break: break-word;
}

.contact-item__value a {
  border-bottom: 1px solid var(--hairline-mid);
  transition: border-color var(--dur-fast) var(--ease);
}

.contact-item__value a:hover,
.contact-item__value a:focus-visible{ border-bottom-color: var(--blue); }

.contact-item__actions{ margin-top: var(--sp-5); }

.hours-list{ border-top: 1px solid var(--hairline); }

.hours-list div {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-5);
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--hairline);
  font-size: var(--step-0);
}

.hours-list dt{ color: var(--silver); }

.hours-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

.map-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--hairline);
  background-color: var(--charcoal);
  overflow: hidden;
}

.map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(1) invert(0.92) contrast(0.86);
}

.map-fallback {
  margin-top: var(--sp-5);
  font-size: var(--step-0);
  color: var(--ink-muted);
}

.social-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-5);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  transition: color var(--dur-fast) var(--ease);
}

.social-link svg {
  width: 17px;
  height: 17px;
}

.social-link:hover,
.social-link:focus-visible{ color: var(--white); }

/* --------------------------------------------------------------------------
   17. CTA BAND
   -------------------------------------------------------------------------- */
.cta-band {
  background-color: var(--black-deep);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding-block: var(--section-y-tight);
}

.cta-band__inner {
  max-width: var(--narrow);
  margin-inline: auto;
  text-align: center;
}

.cta-band h2{ margin-top: var(--sp-5); }

.cta-band p {
  margin: var(--sp-6) auto 0;
  max-width: 52ch;
  color: var(--ink-muted);
}

.cta-band .btn-row{ margin-top: var(--sp-8); }

.cta-band__fallback {
  margin-top: var(--sp-6);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
}

.cta-band__fallback a{ border-bottom: 1px solid var(--hairline-mid); }

.cta-band__fallback a:hover,
.cta-band__fallback a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--blue);
}

/* --------------------------------------------------------------------------
   18. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  padding-top: clamp(3.5rem, 2rem + 5vw, 6rem);
  padding-bottom: var(--sp-7);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--sp-5);
}

.footer__mark {
  width: 38px;
  height: 38px;
  flex: none;
}

.footer__desc {
  max-width: 46ch;
  color: var(--ink-muted);
  font-size: var(--step-0);
}

.footer__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-7) var(--sp-6);
  margin-top: clamp(3rem, 2rem + 3vw, 4.5rem);
  padding-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  border-top: 1px solid var(--hairline);
}

.footer__col h2,
.footer__col h3 {
  font-size: var(--step--1);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--ink-dim);
  margin-bottom: var(--sp-5);
}

.footer__list {
  display: grid;
  gap: 0.7rem;
}

.footer__list a,
.footer__list span {
  font-size: var(--step-0);
  color: var(--ink-muted);
  transition: color var(--dur-fast) var(--ease);
}

.footer__list a{ border-bottom: 1px solid transparent; }

.footer__list a:hover,
.footer__list a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--blue);
}

.footer__socials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-5);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: clamp(3rem, 2rem + 3vw, 5rem);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--hairline);
  font-size: var(--step--1);
  color: var(--ink-dim);
}

.footer__bottom p{ max-width: none; }

/* --------------------------------------------------------------------------
   19. MOTION & REVEAL
   -------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

html.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

.to-top {
  position: fixed;
  right: clamp(1rem, 0.5rem + 2vw, 2rem);
  bottom: clamp(1rem, 0.5rem + 2vw, 2rem);
  z-index: 80;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline-mid);
  border-radius: var(--radius);
  background-color: var(--black);
  color: var(--silver);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
    visibility var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover,
.to-top:focus-visible {
  border-color: var(--blue);
  color: var(--white);
}

.to-top svg {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   20. UTILITIES
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.mt-6{ margin-top: var(--sp-6); }

.mt-7{ margin-top: var(--sp-7); }

.mt-8{ margin-top: var(--sp-8); }/* --------------------------------------------------------------------------
   21. PRINT
   -------------------------------------------------------------------------- */
@media print {
  :root {
    --black: #ffffff;
    --black-deep: #ffffff;
    --white: #000000;
    --silver: #222222;
    --ink-body: #222222;
    --ink-muted: #444444;
    --ink-dim: #555555;
    --hairline: rgba(0, 0, 0, 0.25);
    --hairline-mid: rgba(0, 0, 0, 0.35);
    --hairline-strong: rgba(0, 0, 0, 0.5);
  }

  body {
    background: #ffffff;
    color: #222222;
  }

  html{ color-scheme: light; }

  .site-header,
  .mnav,
  .to-top,
  .skip-link,
  .map-frame,
  .lightbox{ display: none; }

  .section,
  .page-head,
  .hero{ padding-block: 1.5rem; }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  a{ color: #000000; }
}

/* --------------------------------------------------------------------------
   22. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .nav__list{ gap: 1rem; }

  .nav__link {
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
  }

  .site-header .header__tel{ display: none; }
}

@media (max-width: 980px) {
  :root{ --header-h: 72px; }

  .nav{ display: none; }

  .nav-toggle{ display: inline-flex; }

  .mnav{ display: flex; }

  .grid--4{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .machine{ grid-template-columns: minmax(0, 1fr); }

  .footer__cols{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .gallery{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 981px) {
  .mnav{ display: none; }
}

@media (max-width: 780px) {
  .grid--2,
  .grid--3,
  .grid--4,
  .grid--split,
  .grid--form{ grid-template-columns: minmax(0, 1fr); }

  .form__grid{ grid-template-columns: minmax(0, 1fr); }

  .contact-grid{ grid-template-columns: minmax(0, 1fr); }

  .svc__summary {
    grid-template-columns: 3rem minmax(0, 1fr) 18px;
    gap: var(--sp-4);
  }

  .svc__body {
    grid-template-columns: minmax(0, 1fr);
    padding-left: 0;
  }

  .num-item,
  .step {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: var(--sp-4);
  }

  .figure__media{ aspect-ratio: 3 / 2; }
}

@media (max-width: 720px) {
  .header__actions .btn{ display: none; }

  .brand__mark {
    width: 34px;
    height: 34px;
  }

  .brand__name {
    font-size: 0.8125rem;
    letter-spacing: 0.14em;
  }
}

@media (max-width: 560px) {
  .brand__lockup{ display: none; }

  .gallery{ grid-template-columns: minmax(0, 1fr); }

  .footer__cols{ grid-template-columns: minmax(0, 1fr); }

  .filters{ padding-block: 0.25rem; }

  .filter-btn {
    padding: 0.75rem 0.85rem;
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
  }

  .btn{ width: 100%; }

  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-row--centre{ align-items: stretch; }

  .arrow-link{ width: 100%; }

  .lightbox__bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .file-list__item{ grid-template-columns: minmax(0, 1fr) auto; }

  .spec-table th,
  .spec-table td{ padding-right: var(--sp-4); }
}

@media (max-width: 400px) {
  .trust-strip {
    flex-direction: column;
    gap: 0.5rem;
  }

  .trust-strip li + li::before{ display: none; }

  .chip-row li + li::before{ margin-inline: 0.75rem; }
}

/* --------------------------------------------------------------------------
   REDUCED MOTION
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html{ scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms;
    animation-iteration-count: 1;
    transition-duration: 0.001ms;
  }

  [data-reveal],
  .to-top {
    opacity: 1;
    transform: none;
  }

  .tile:hover .tile__media img,
  .tile__link:focus-visible .tile__media img,
  .arrow-link:hover svg,
  .arrow-link:focus-visible svg{ transform: none; }
}