/* Hallmark · genre: modern-minimal · macrostructure: Catalogue · theme: Coral · tone: professional practical · audience: Shanghai-area business buyers and renters · primary action: telephone enquiry · enrichment: licensed real-equipment and maintenance photography · nav: N1b · footer: Ft2 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57) */
/* Hallmark · pre-emit critique: P4 H4 E4 S5 R4 V4 */

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink-soft);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

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

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 10ch;
  font-size: var(--text-display);
  line-height: 1.06;
}

h2 {
  font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
  line-height: 1.12;
}

h3 {
  font-size: var(--text-md);
  line-height: 1.3;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: var(--rule-hair) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

.shell {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-on-accent);
  background: var(--color-accent-deep);
  transform: translateY(calc(-100% - var(--space-xl)));
  transition: transform var(--dur-short) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
}

.nav-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  width: min(100%, var(--content-max));
  min-height: 4.5rem;
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-width: 0;
  gap: var(--space-sm);
  color: var(--color-ink);
  font-family: var(--font-wordmark);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.main-nav {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  border-radius: var(--radius-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
  transition: color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
}

.action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding-inline: var(--space-lg);
  border: var(--rule-hair) solid var(--color-accent-deep);
  border-radius: var(--radius-sm);
  color: var(--color-on-accent);
  background: var(--color-accent-deep);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.action--small {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
}

.action:active {
  transform: translateY(var(--space-3xs));
}

.action[aria-disabled="true"],
.action:disabled {
  opacity: 0.48;
  pointer-events: none;
  cursor: not-allowed;
}

.action[aria-busy="true"] {
  color: var(--color-inverse-soft);
}

.action[aria-busy="true"]::before {
  content: "";
  width: var(--space-md);
  height: var(--space-md);
  margin-inline-end: var(--space-xs);
  border: var(--space-3xs) solid var(--color-inverse-soft);
  border-block-start-color: var(--color-on-accent);
  border-radius: 50%;
  animation: spin var(--dur-long) linear infinite;
}

.action[data-state="error"] {
  border-color: var(--color-error);
  color: var(--color-error);
  background: var(--color-paper);
}

.action[data-state="success"] {
  border-color: var(--color-success);
  color: var(--color-success);
  background: var(--color-paper);
}

.type-link,
.contact__details a,
.scene figcaption a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
  transition: color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.scene figcaption a {
  min-height: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  padding-block: var(--space-xl) var(--space-3xl);
}

.hero__copy {
  display: grid;
  align-content: center;
  justify-items: start;
  min-width: 0;
  gap: var(--space-lg);
}

.hero__context,
.section-note,
.rental-card__label {
  color: var(--color-accent-deep);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero__lede {
  max-width: 36rem;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-lg);
}

.hero__facts {
  display: grid;
  width: 100%;
  margin-block-start: var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.hero__facts div {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.hero__facts dt {
  color: var(--color-accent-deep);
  font-weight: 700;
}

.hero__facts dd {
  color: var(--color-muted);
}

.hero__media {
  min-width: 0;
}

.hero__media img {
  aspect-ratio: 4 / 3;
  height: 100%;
  min-height: 20rem;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.78) contrast(0.98);
}

.hero__media figcaption {
  padding-block-start: var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  padding-block-end: var(--space-xl);
}

.section-head > div {
  display: grid;
  gap: var(--space-sm);
}

.section-head > p {
  max-width: 40rem;
  color: var(--color-muted);
}

.section-head--compact {
  padding-block-end: var(--space-lg);
}

.catalogue {
  padding-block: var(--space-3xl) var(--space-4xl);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.product-card {
  display: grid;
  align-content: start;
  min-width: 0;
  min-height: 20rem;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.product-card__index {
  color: var(--color-accent-deep);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.product-card h3 {
  max-width: 12ch;
  font-size: var(--text-lg);
}

.product-card p {
  max-width: 29rem;
  color: var(--color-muted);
}

.product-card .type-link {
  align-self: end;
  justify-self: start;
  margin-block-start: auto;
}

.rental {
  color: var(--color-inverse-soft);
  background: var(--color-inverse);
}

.rental__inner {
  padding-block: var(--space-3xl);
}

.section-head--inverse h2 {
  color: var(--color-paper);
}

.section-head--inverse > p {
  color: var(--color-inverse-soft);
}

.section-head--inverse .section-note {
  color: var(--color-accent-soft);
}

.rental-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

.rental-card {
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
  padding: var(--space-xl);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
}

.rental-card h3 {
  color: var(--color-paper);
}

.rental-card__label {
  color: var(--color-accent-soft);
}

.rental-card__price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-sm);
  color: var(--color-paper);
  font-variant-numeric: tabular-nums;
}

.rental-card__price strong {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 5vw, var(--text-3xl));
  line-height: 1;
}

.rental-card ul {
  display: grid;
  gap: var(--space-sm);
  margin: 0;
  padding-inline-start: var(--space-lg);
  color: var(--color-inverse-soft);
}

.rental-card__fit {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-sm);
  margin-block-start: auto;
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  color: var(--color-inverse-soft);
  font-size: var(--text-sm);
}

.rental-card__fit strong {
  color: var(--color-accent-soft);
}

.rental-brief {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-lg);
  margin-block-start: var(--space-lg);
  padding-block: var(--space-md);
  border-block: var(--rule-hair) solid var(--color-rule-strong);
  color: var(--color-inverse-soft);
  font-size: var(--text-sm);
}

.rental-brief strong {
  color: var(--color-paper);
}

.rental-brief span::before {
  content: "·";
  margin-inline-end: var(--space-sm);
  color: var(--color-accent-soft);
}

.price-note {
  max-width: 66rem;
  padding-block-start: var(--space-md);
  color: var(--color-inverse-soft);
  font-size: var(--text-sm);
}

.scenes {
  padding-block: var(--space-4xl);
}

.scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.scene {
  display: grid;
  min-width: 0;
  gap: var(--space-sm);
}

.scene__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-paper-2);
}

.scene__media img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(0.98);
  transition: transform var(--dur-long) var(--ease-out);
}

.scene__media--portrait img {
  object-position: center 42%;
}

.scene figcaption {
  display: grid;
  gap: var(--space-2xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.scene figcaption strong {
  color: var(--color-ink);
  font-size: var(--text-base);
}

.use-cases {
  padding-block-end: var(--space-4xl);
}

.use-case-table {
  border-block-start: var(--rule-hair) solid var(--color-ink);
}

.use-case-table__head {
  display: none;
}

.use-case-table article {
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.use-case-table article p {
  position: relative;
  padding-inline-start: 5.5rem;
  color: var(--color-muted);
}

.use-case-table article p::before {
  content: attr(data-label);
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-ink-soft);
  font-weight: 700;
}

.process {
  padding-block-end: var(--space-4xl);
}

.steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-block-start: var(--rule-hair) solid var(--color-ink);
}

.steps li {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.steps > li > span {
  color: var(--color-accent-deep);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.steps li div {
  display: grid;
  gap: var(--space-xs);
}

.steps p {
  max-width: 34rem;
  color: var(--color-muted);
}

.faq {
  padding-block-end: var(--space-4xl);
}

.faq-list {
  display: grid;
  border-block-start: var(--rule-hair) solid var(--color-ink);
}

.faq-list article {
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.faq-list p {
  max-width: 48rem;
  color: var(--color-muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.contact__copy {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: var(--space-lg);
}

.contact__copy h2 {
  max-width: 12ch;
}

.contact__copy > p:not(.section-note) {
  max-width: 32rem;
  color: var(--color-muted);
}

.contact__details {
  display: grid;
  margin: 0;
  border-block-start: var(--rule-hair) solid var(--color-ink);
  font-style: normal;
}

.contact__details div {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.contact__details span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.contact__details p,
.contact__details a {
  min-width: 0;
  overflow-wrap: anywhere;
}

.contact__details a {
  min-height: auto;
}

.site-footer {
  padding-block: var(--space-xl);
}

.site-footer p {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer strong {
  color: var(--color-ink);
  font-family: var(--font-wordmark);
  font-size: var(--text-base);
}

@keyframes spin {
  to { transform: rotate(1turn); }
}

@media (hover: hover) and (pointer: fine) {
  .action:hover {
    background: var(--color-accent);
    transform: translateY(calc(var(--space-3xs) * -1));
  }

  .main-nav a:hover {
    color: var(--color-ink);
    background: var(--color-accent-soft);
  }

  .type-link:hover,
  .contact__details a:hover,
  .scene figcaption a:hover {
    color: var(--color-accent-deep);
    border-color: var(--color-accent);
    transform: translateY(calc(var(--space-3xs) * -1));
  }

  .scene:hover .scene__media img {
    transform: scale(1.02);
  }
}

@media (min-width: 40rem) {
  .section-head,
  .contact {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: var(--space-2xl);
  }

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

  .product-card {
    padding: var(--space-xl);
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }

  .product-card:nth-child(2n) {
    border-inline-end: 0;
  }

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

  .scene--wide {
    grid-column: 1 / -1;
  }

  .scene--wide .scene__media {
    aspect-ratio: 16 / 8;
  }

  .use-case-table__head,
  .use-case-table article {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 0.9fr) minmax(0, 1.3fr);
    gap: var(--space-xl);
  }

  .use-case-table__head {
    padding-block: var(--space-sm);
    color: var(--color-muted);
    font-size: var(--text-sm);
  }

  .use-case-table article p {
    padding-inline-start: 0;
  }

  .use-case-table article p::before {
    display: none;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-inline-start: var(--rule-hair) solid var(--color-rule);
  }

  .steps li {
    padding: var(--space-xl);
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }

  .faq-list article {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    gap: var(--space-2xl);
  }

  .site-footer p {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
  }
}

@media (min-width: 48rem) {
  .hero {
    min-height: clamp(40rem, 78dvh, 54rem);
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: stretch;
    gap: var(--space-2xl);
    padding-block: var(--space-2xl) var(--space-3xl);
  }

  .hero__media img {
    aspect-ratio: auto;
  }

  .hero__media {
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
  }

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

  .hero__facts div {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    border-inline-end: var(--rule-hair) solid var(--color-rule);
    padding-inline: var(--space-sm);
  }

  .hero__facts div:first-child {
    padding-inline-start: 0;
  }

  .hero__facts div:last-child {
    border-inline-end: 0;
  }
}

@media (min-width: 56rem) {
  .nav-shell {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }

  .main-nav {
    display: flex;
  }

  .action--small {
    justify-self: end;
  }

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

  .product-card:nth-child(2n) {
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }

  .product-card:nth-child(3n) {
    border-inline-end: 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
}