/* Layout: a fabrication drawing. Vellum ground with a grid, ink hairlines, dimension lines and
   title blocks. The one colour is the shop's yellow; it is too light to read as text on paper,
   so it is only ever a fill behind ink, like a highlighter on a print. */
:root {
  --paper: #eceee8;
  --paper-light: #f5f6f2;
  --ink: #16191c;
  --ink-soft: #4a5157;
  --line: #16191c;
  --grid-minor: rgba(22, 25, 28, 0.045);
  --grid-major: rgba(22, 25, 28, 0.08);
  --accent: #e9c500;
  --accent-dark: #b69a00;
  --error: #a11d22;
  --success: #1f6b3a;

  --font-display: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: max(16px, 4vw);
  --max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size:
    120px 120px,
    120px 120px,
    24px 24px,
    24px 24px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* The scans and drawings are white-ground renders; multiplied, the white becomes the paper and
   the cage sits on the sheet like a drawing rather than in a box. */
.render {
  mix-blend-mode: multiply;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-stretch: 70%;
  font-weight: 800;
  line-height: 0.95;
  text-transform: uppercase;
  text-wrap: balance;
}

h2 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

h3 {
  font-size: 1.6rem;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.label::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--accent);
  outline: 1px solid var(--ink);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.btn-primary {
  border-color: var(--ink);
  background: var(--accent);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--ink);
  color: var(--accent);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: progress;
}

.btn-line {
  background: transparent;
  color: var(--ink);
}

.btn-line:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
}

.brand {
  font-family: var(--font-display);
  font-stretch: 62%;
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand span {
  margin-left: 2px;
  padding: 0 4px;
  background: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.site-nav .nav-cta {
  padding: 8px 14px;
  border: 1px solid var(--ink);
  background: var(--accent);
}

.site-nav .nav-cta:hover {
  background: var(--ink);
  color: var(--accent);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Dimension line ---------- */

/* A drafting dimension: a hairline with architectural ticks at both ends and its label set in
   the middle on the paper, so the line appears to break around it. */
.dim {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  color: var(--ink);
}

.dim::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 1px;
  background:
    linear-gradient(var(--ink), var(--ink)) left center / 1px 14px no-repeat,
    linear-gradient(var(--ink), var(--ink)) right center / 1px 14px no-repeat,
    var(--ink);
  background-size:
    1px 14px,
    1px 14px,
    auto;
  transform-origin: left center;
}

.dim span {
  position: relative;
  padding: 0 10px;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.hero {
  padding-block: clamp(40px, 7vw, 96px) clamp(56px, 8vw, 112px);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero h1 {
  font-size: clamp(3.2rem, 7.4vw, 6.4rem);
  font-stretch: 62%;
  font-weight: 900;
  line-height: 0.88;
}

/* A highlighter stroke behind the last line, sitting low like a marker swipe. */
.hero h1 em {
  font-style: normal;
  background: linear-gradient(transparent 52%, var(--accent) 52%, var(--accent) 92%, transparent 92%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.lead {
  max-width: 34rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-sheet {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "scan scan"
    "dim build"
    "cap build";
  grid-template-rows: auto auto 1fr;
  column-gap: 20px;
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
}

/* Registration marks on the sheet's corners, as on a printed drawing. */
.hero-sheet::before,
.hero-sheet::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent);
  border-style: solid;
}

.hero-sheet::before {
  top: -1px;
  left: -1px;
  border-width: 3px 0 0 3px;
}

.hero-sheet::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 3px 3px 0;
}

.view {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.view-scan {
  grid-area: scan;
}

.view-build {
  grid-area: build;
}

.view-build img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
}

.view-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero-sheet .dim {
  grid-area: dim;
  margin-top: 18px;
}

.hero-caption {
  grid-area: cap;
  align-self: end;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-caption span:first-child {
  font-family: var(--font-display);
  font-stretch: 62%;
  font-weight: 800;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: 0;
}

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

.section {
  padding-block: clamp(64px, 9vw, 120px);
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 44rem;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-head p:not(.label) {
  color: var(--ink-soft);
}

/* ---------- Process ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.step img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
}

.step img:not(.render) {
  object-fit: cover;
  border: 1px solid var(--line);
}

.step-text {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.step-no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  align-self: start;
  padding: 1px 6px;
  background: var(--accent);
}

.step-text p {
  color: var(--ink-soft);
  font-size: 1rem;
}

/* ---------- Work ---------- */

.sheets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}

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

.sheet {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
}

.sheet img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.sheet img.render {
  object-fit: contain;
  padding: 12px;
}

.sheet-tall {
  grid-row: span 2;
}

.sheet-tall img {
  flex: 1;
  aspect-ratio: auto;
  min-height: 0;
}

.sheets-two .sheet img {
  aspect-ratio: 16 / 10;
}

.title-block {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--line);
}

.title-block div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
}

.title-block div + div {
  border-top: 1px solid var(--line);
}

.title-block dt,
.title-block dd {
  margin: 0;
  padding: 8px 12px;
}

.title-block dt,
.facts dt {
  display: flex;
  align-items: center;
}

.title-block dt {
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.title-block dd {
  font-size: 0.95rem;
  font-weight: 600;
}

.sub-head {
  margin: clamp(48px, 7vw, 80px) 0 24px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

/* One link out to the photos that don't fit here: an inked panel, so it reads as the way off
   the page rather than another sheet in the set. */
.instagram {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  margin-top: clamp(48px, 7vw, 80px);
  padding: clamp(24px, 4vw, 48px);
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.instagram-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.instagram-copy h3 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.instagram-copy p:not(.label) {
  color: #c9ccc4;
}

.instagram .label::before {
  outline-color: var(--paper);
}

.instagram:hover .btn-primary {
  background: var(--paper);
  color: var(--ink);
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.instagram-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.instagram:focus-visible {
  outline-color: var(--accent);
  outline-offset: 4px;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.about-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 36rem;
}

.about-copy p:not(.label) {
  color: var(--ink-soft);
}

/* ---------- Pricing ---------- */

.price-sheet {
  display: flex;
  max-width: 760px;
  flex-direction: column;
  gap: 16px;
}

/* A schedule like the parts list on a drawing: labels in the narrow column, figures large. */
.price-table {
  width: 100%;
  border: 2px solid var(--ink);
  border-collapse: collapse;
}

.price-table tr + tr {
  border-top: 1px solid var(--line);
}

.price-table th,
.price-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: baseline;
}

.price-table th {
  width: 36%;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.price-table td {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.price {
  margin-right: 6px;
  font-family: var(--font-display);
  font-stretch: 70%;
  font-weight: 800;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.price-note {
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---------- Request ---------- */

.request {
  background: var(--paper-light);
}

.request-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.request-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.next-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: next;
}

.next-steps li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  counter-increment: next;
}

.next-steps li::before {
  content: counter(next, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.9;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.facts {
  display: grid;
  width: 100%;
  margin: 0;
  border: 1px solid var(--line);
}

.facts div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
}

.facts div + div {
  border-top: 1px solid var(--line);
}

.facts dt,
.facts dd {
  margin: 0;
  padding: 10px 12px;
}

.facts dt {
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  line-height: 2;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.facts dd {
  font-size: 0.95rem;
}

.request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  background: var(--paper);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-wide,
.form-foot {
  grid-column: 1 / -1;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper-light);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #7d858b;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 0;
  box-shadow: inset 0 -4px 0 var(--accent);
}

.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.contact-form-status {
  font-size: 0.95rem;
}

.contact-form-status.is-success {
  color: var(--success);
}

.contact-form-status.is-error {
  color: var(--error);
}

/* ---------- Footer: the drawing's title block ---------- */

.site-footer {
  padding-block: 40px;
}

.footer-block {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  margin: 0;
  border: 2px solid var(--ink);
}

.footer-block div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
}

.footer-block div + div {
  border-left: 1px solid var(--ink);
}

.footer-block dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.footer-block dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
}

.footer-block .footer-name dd {
  font-family: var(--font-display);
  font-stretch: 62%;
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1;
}

/* ---------- Motion ---------- */

/* Hidden only once script has marked the page, so without JS everything simply shows. */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.dim::before {
  animation: draw 0.9s 0.3s cubic-bezier(0.2, 0.7, 0.2, 1) backwards;
}

@keyframes draw {
  from {
    transform: scaleX(0);
  }
}

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

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .dim::before {
    animation: none;
  }
}

/* ---------- Narrow screens ---------- */

@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .request-grid,
  .instagram {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
    max-width: 640px;
  }

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

  .sheet-tall {
    grid-row: span 1;
  }

  .sheet-tall img {
    flex: none;
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 16px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--grid-major);
  }

  .site-nav .nav-cta {
    margin-top: 12px;
    padding: 14px;
    text-align: center;
  }

  .sheets,
  .sheets-two,
  .request-form {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .footer-block div + div {
    border-left: 0;
    border-top: 1px solid var(--ink);
  }
}

@media (max-width: 480px) {
  .hero-sheet {
    padding: 14px;
    column-gap: 14px;
  }

  .hero-caption span:first-child {
    font-size: 1.8rem;
  }
}