:root {
  --color-bg: #101310;
  --color-surface: #171b18;
  --color-foreground: #ece8dd;
  --color-muted: #9ca29a;
  --color-primary: #c49a54;
  --color-primary-dark: #9e7638;
  --color-dark: #090c0a;
  --color-dark-muted: #969e97;
  --color-border: rgba(236, 232, 221, 0.14);
  --color-border-light: rgba(236, 232, 221, 0.16);
  --container: 1280px;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --section-space: clamp(4.25rem, 7.5vw, 7rem);
  --radius: 0.25rem;
  --transition: 220ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --font-display: "Bahnschrift", "DIN Alternate", "Franklin Gothic Medium", sans-serif;
  --font-body: "Aptos", "Trebuchet MS", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-foreground);
  background: var(--color-bg);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

::selection {
  color: #fff;
  background: var(--color-primary);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: #fff;
  background: var(--color-dark);
  transform: translateY(-150%);
  transition: transform var(--transition);
}

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

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

.section {
  padding-block: var(--section-space);
}

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

.section--dark {
  color: #fff;
  background: var(--color-dark);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0 0 1.4rem;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2.5rem;
  height: 1px;
  background: currentColor;
  content: "";
}

.section--dark .eyebrow {
  color: #e68b6d;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 14ch;
  margin-bottom: 1.75rem;
  font-size: clamp(3rem, 7vw, 7rem);
  line-height: 0.94;
}

h2 {
  max-width: 16ch;
  margin-bottom: 2rem;
  font-size: clamp(2.25rem, 4.5vw, 4.65rem);
  line-height: 1;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.14;
}

.lead {
  max-width: 58ch;
  color: var(--color-muted);
  font-size: clamp(1.08rem, 1.6vw, 1.35rem);
}

.section--dark .lead,
.section--dark .muted {
  color: var(--color-dark-muted);
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid currentColor;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition), gap var(--transition);
}

.text-link::after {
  content: "\2197";
}

.text-link:hover {
  gap: 1rem;
  color: var(--color-primary);
}

.button {
  display: inline-flex;
  min-height: 3.35rem;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.8rem 1.35rem;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  color: #fff;
  background: var(--color-primary);
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1;
  text-transform: uppercase;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

.button::after {
  content: "\2192";
  font-size: 1rem;
}

.button:hover {
  border-color: var(--color-primary-dark);
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.button--outline {
  color: var(--color-foreground);
  border-color: var(--color-border);
  background: transparent;
}

.button--outline:hover {
  color: #fff;
  border-color: var(--color-dark);
  background: var(--color-dark);
}

.button--light {
  color: var(--color-dark);
  border-color: #fff;
  background: #fff;
}

.button--light:hover {
  color: #fff;
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: var(--color-foreground);
  border-bottom: 1px solid transparent;
  background: rgba(240, 238, 231, 0.94);
  backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  background: rgba(251, 250, 246, 0.97);
  box-shadow: 0 8px 30px rgba(23, 26, 24, 0.06);
}

.header-inner {
  display: grid;
  min-height: 5.5rem;
  grid-template-columns: minmax(10rem, 1fr) auto minmax(10rem, 1fr);
  align-items: center;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.brand-logo {
  width: 3.9rem;
  height: 3.9rem;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 0.2rem 0.45rem rgba(0, 0, 0, 0.28));
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav a {
  position: relative;
  display: block;
  padding-block: 0.8rem;
  font-family: var(--font-display);
  font-size: 0.73rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.45rem;
  left: 0;
  height: 1px;
  background: var(--color-primary);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.menu-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--color-border);
  color: var(--color-foreground);
  background: transparent;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle span {
  margin-block: 0.3rem;
}

.menu-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"]::before {
  transform: translateY(0.36rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"]::after {
  transform: translateY(-0.36rem) rotate(-45deg);
}

.hero {
  min-height: calc(100svh - 5.5rem);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  background: var(--color-bg);
}

.hero-copy {
  display: flex;
  min-height: 43rem;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4rem, 8vw, 8rem) var(--gutter);
}

.hero-copy-inner {
  width: min(100%, 39rem);
  margin-left: max(0px, calc((100vw - var(--container)) / 2 - var(--gutter)));
}

.hero h1 span {
  display: block;
  color: var(--color-primary);
  font-family: Georgia, serif;
  font-style: italic;
  font-weight: 400;
}

.hero .lead {
  max-width: 35rem;
  margin-bottom: 2.25rem;
}

.hero-media {
  position: relative;
  min-height: 43rem;
  overflow: hidden;
  background: #d5d4cf;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(23, 26, 24, 0.12), transparent 35%);
  content: "";
  pointer-events: none;
}

.hero-media img,
.page-hero-media img,
.media-frame img,
.category-card img,
.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hero-media img {
  object-position: 62% center;
}

.hero-note {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  display: flex;
  width: min(22rem, 75%);
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  color: #fff;
  background: var(--color-dark);
}

.hero-note strong {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-note span {
  color: var(--color-dark-muted);
  font-size: 0.85rem;
}

.page-hero {
  padding-block: clamp(4.5rem, 9vw, 8rem) clamp(3rem, 6vw, 5rem);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
}

.page-hero h1 {
  max-width: 11ch;
  margin-bottom: 0;
}

.page-hero-copy .lead {
  margin-bottom: 0;
}

.page-hero-media {
  height: clamp(22rem, 45vw, 38rem);
  margin-top: clamp(2.5rem, 5vw, 5rem);
  overflow: hidden;
}

.page-hero-media img {
  object-position: center;
}

.intro-grid,
.split-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(3rem, 9vw, 9rem);
}

.intro-grid {
  align-items: start;
}

.intro-copy {
  max-width: 44rem;
  padding-top: 0.5rem;
}

.intro-copy p:not(.eyebrow) {
  margin-bottom: 1.5rem;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 1.35vw, 1.22rem);
}

.category-preview {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
  margin-top: clamp(3rem, 6vw, 5rem);
}

.category-card {
  position: relative;
  min-height: 28rem;
  grid-column: span 4;
  overflow: hidden;
  color: #fff;
  background: var(--color-dark);
}

.category-card:nth-child(1),
.category-card:nth-child(4) {
  grid-column: span 8;
}

.category-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(18, 23, 21, 0.88));
  content: "";
}

.category-card:hover img {
  transform: scale(1.035);
}

.category-card-content {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  padding: clamp(1.4rem, 3vw, 2.25rem);
}

.category-card .number {
  display: block;
  margin-bottom: 0.65rem;
  color: #e68b6d;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.category-card h3 {
  max-width: 17ch;
  margin-bottom: 0.65rem;
}

.category-card p {
  max-width: 36rem;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-head h2,
.section-head p {
  margin-bottom: 0;
}

.section-head .lead {
  max-width: 36rem;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
}

.principle {
  min-height: 22rem;
  padding: 2rem clamp(1rem, 2vw, 2rem) 2rem 0;
  border-right: 1px solid var(--color-border);
}

.principle + .principle {
  padding-left: clamp(1rem, 2vw, 2rem);
}

.principle:last-child {
  border-right: 0;
}

.principle-number,
.step-number,
.service-number {
  display: block;
  margin-bottom: clamp(4rem, 9vw, 8rem);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.principle p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.split-grid {
  align-items: center;
}

.split-grid--reverse .media-frame {
  order: 2;
}

.media-frame {
  min-height: 34rem;
  overflow: hidden;
  background: #d5d4cf;
}

.media-frame:hover img,
.feature-image:hover img {
  transform: scale(1.025);
}

.split-copy {
  max-width: 34rem;
}

.split-copy p:not(.eyebrow) {
  margin-bottom: 1.6rem;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.detail-list {
  margin: 2rem 0 2.5rem;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.detail-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.detail-list li::before {
  color: var(--color-primary);
  content: "\2192";
}

.cta-band {
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  position: absolute;
  top: -8rem;
  right: -5rem;
  width: 28rem;
  height: 28rem;
  border: 1px solid var(--color-border-light);
  border-radius: 50%;
  content: "";
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 3rem;
}

.cta-inner h2 {
  max-width: 14ch;
  margin-bottom: 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
}

.process-step {
  padding: 2rem 2rem 0 0;
}

.process-step + .process-step {
  padding-left: 2rem;
  border-left: 1px solid var(--color-border);
}

.process-step .step-number {
  margin-bottom: 5rem;
}

.process-step p {
  color: var(--color-muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
}

.product-card {
  border-top: 1px solid var(--color-border);
}

.product-card:nth-child(even) {
  margin-top: clamp(3rem, 8vw, 8rem);
}

.product-card-image {
  height: clamp(18rem, 32vw, 30rem);
  margin-block: 1.25rem 1.8rem;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-card:hover .product-card-image img {
  transform: scale(1.03);
}

.product-card-meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 2rem;
}

.product-card-meta > div {
  max-width: 35rem;
}

.product-card h2 {
  max-width: none;
  margin-bottom: 0.8rem;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.product-card p {
  color: var(--color-muted);
}

.product-card .text-link {
  flex: 0 0 auto;
  margin-top: 0.4rem;
}

.service-list {
  border-top: 1px solid var(--color-border);
}

.service-row {
  display: grid;
  min-height: 13rem;
  grid-template-columns: 6rem minmax(12rem, 0.75fr) minmax(18rem, 1.25fr) auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 3rem);
  padding-block: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.service-number {
  margin: 0;
}

.service-row h2,
.service-row p {
  margin-bottom: 0;
}

.service-row h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.7rem);
}

.service-row p {
  color: var(--color-muted);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.partner-placeholder {
  display: flex;
  min-height: 18rem;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--color-bg);
  transition: color var(--transition), background var(--transition);
}

.partner-placeholder:hover {
  color: #fff;
  background: var(--color-dark);
}

.partner-placeholder span {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.partner-placeholder strong {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.3vw, 2.4rem);
  line-height: 1.05;
}

.partner-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
}

.partner-type {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.partner-type p {
  color: var(--color-dark-muted);
}

.contact-grid {
  align-items: start;
}

.contact-details {
  border-top: 1px solid var(--color-border);
}

.contact-item {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.contact-item dt {
  color: var(--color-muted);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-item dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.contact-form {
  padding: clamp(1.5rem, 4vw, 3.5rem);
  background: var(--color-surface);
}

.contact-form h2 {
  font-size: clamp(2rem, 4vw, 3.75rem);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

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

.field label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.5rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  color: var(--color-foreground);
  background: transparent;
  transition: border-color var(--transition), background var(--transition);
}

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

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  background: #fff;
  outline: none;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #a32b23;
}

.field-error {
  min-height: 1.2em;
  margin: 0;
  color: #a32b23;
  font-size: 0.78rem;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.form-note,
.form-status {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg);
}

.form-status:empty {
  display: none;
}

.site-footer {
  color: #fff;
  background: #18201d;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(15rem, 1.4fr) minmax(10rem, 0.65fr) minmax(14rem, 0.95fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.footer-brand .brand {
  margin-bottom: 1.75rem;
}

.footer-brand p {
  max-width: 29rem;
  color: var(--color-dark-muted);
}

.footer-heading {
  margin-bottom: 1.35rem;
  color: #e68b6d;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-nav,
.footer-contact {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav li,
.footer-contact li {
  margin-bottom: 0.6rem;
}

.footer-nav a,
.footer-contact a {
  color: var(--color-dark-muted);
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-contact a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.3rem;
  border-top: 1px solid var(--color-border-light);
  color: var(--color-dark-muted);
  font-size: 0.78rem;
}

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .header-inner {
    grid-template-columns: 1fr auto auto;
  }

  .main-nav {
    position: fixed;
    z-index: 95;
    top: 5.5rem;
    right: 0;
    left: 0;
    max-height: calc(100svh - 5.5rem);
    padding: 2rem var(--gutter) 3rem;
    overflow-y: auto;
    visibility: hidden;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    opacity: 0;
    transform: translateY(-1rem);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .main-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav a {
    padding-block: 1.05rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
  }

  .menu-toggle {
    display: block;
  }

  .header-action {
    justify-self: auto;
  }

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

  .principle:nth-child(2),
  .process-step:nth-child(2) {
    border-right: 0;
  }

  .principle:nth-child(n + 3),
  .process-step:nth-child(n + 3) {
    border-top: 1px solid var(--color-border);
  }

  .service-row {
    grid-template-columns: 4rem minmax(12rem, 0.8fr) minmax(16rem, 1.2fr);
  }

  .service-row .text-link {
    grid-column: 2 / -1;
    width: max-content;
  }
}

@media (max-width: 820px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    min-height: auto;
    padding-block: clamp(4.5rem, 13vw, 7rem);
  }

  .hero-copy-inner {
    margin-left: 0;
  }

  .hero-media {
    min-height: clamp(26rem, 75vw, 40rem);
  }

  .page-hero-grid,
  .intro-grid,
  .split-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .page-hero-grid {
    align-items: start;
  }

  .page-hero-copy .lead {
    max-width: 40rem;
  }

  .split-grid--reverse .media-frame {
    order: 0;
  }

  .category-card,
  .category-card:nth-child(1),
  .category-card:nth-child(4) {
    min-height: 25rem;
    grid-column: span 6;
  }

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

  .media-frame {
    min-height: clamp(23rem, 70vw, 34rem);
  }

  .cta-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .product-card-meta {
    align-items: start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .service-row {
    grid-template-columns: 3rem 1fr;
  }

  .service-row p,
  .service-row .text-link {
    grid-column: 2;
  }

  .partner-grid,
  .partner-types {
    grid-template-columns: 1fr;
  }

  .partner-placeholder {
    min-height: 13rem;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  :root {
    --gutter: 1.25rem;
  }

  .header-inner {
    min-height: 4.75rem;
    gap: 0.7rem;
  }

  .brand {
    gap: 0.55rem;
    font-size: 0.7rem;
  }

  .brand-logo {
    width: 3rem;
    height: 3rem;
  }

  .header-action {
    display: none;
  }

  .menu-toggle {
    grid-column: 3;
  }

  .main-nav {
    top: 4.75rem;
    max-height: calc(100svh - 4.75rem);
  }

  .hero-copy {
    padding-block: 4rem;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 15vw, 4.4rem);
  }

  .hero-media {
    min-height: 28rem;
  }

  .hero-note {
    width: calc(100% - 1.25rem);
  }

  .page-hero h1 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }

  .page-hero-media {
    width: calc(100% + (var(--gutter) * 2));
    height: 23rem;
    margin-left: calc(var(--gutter) * -1);
  }

  .category-preview {
    grid-template-columns: 1fr;
  }

  .category-card,
  .category-card:nth-child(1),
  .category-card:nth-child(4) {
    min-height: 23rem;
    grid-column: auto;
  }

  .principles-grid,
  .process-grid,
  .product-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .principle,
  .principle + .principle,
  .process-step,
  .process-step + .process-step {
    min-height: auto;
    padding: 1.75rem 0 2.25rem;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
    border-left: 0;
  }

  .principle-number,
  .process-step .step-number {
    margin-bottom: 2.5rem;
  }

  .product-card:nth-child(even) {
    margin-top: 0;
  }

  .product-card-image {
    height: 22rem;
  }

  .service-row {
    grid-template-columns: 2.25rem 1fr;
  }

  .contact-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .contact-form {
    margin-inline: calc(var(--gutter) * -1);
  }

  .form-footer,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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

.category-preview--three .category-card,
.category-preview--three .category-card:nth-child(1) {
  grid-column: span 4;
}

.page-hero--compact {
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.product-grid--compact .product-card:nth-child(even) {
  margin-top: 0;
}

.product-grid--compact .product-card-image {
  height: clamp(14rem, 24vw, 21rem);
}

.product-grid--compact .product-card h2 {
  font-size: clamp(1.5rem, 2.3vw, 2.25rem);
}

.service-list--compact .service-row {
  min-height: 9rem;
}

@media (max-width: 600px) {
  .category-preview--three .category-card,
.category-preview--three .category-card:nth-child(1) {
  grid-column: span 4;
}

.page-hero--compact {
    padding-block: 3.5rem;
  }

  .product-grid--compact .product-card-image {
    height: 18rem;
  }
}
/* Dark industrial art direction */
body {
  background:
    radial-gradient(circle at 82% -8%, rgba(196, 154, 84, 0.08), transparent 32rem),
    var(--color-bg);
}

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

.section--dark,
.site-footer {
  background: var(--color-dark);
}

h1 {
  font-size: clamp(2.75rem, 5.4vw, 5.8rem);
  line-height: 0.98;
}

h2 {
  font-size: clamp(1.8rem, 3.25vw, 3.35rem);
  line-height: 1.04;
}

h3 {
  font-size: clamp(1.2rem, 1.65vw, 1.7rem);
}

.lead {
  font-size: clamp(1rem, 1.25vw, 1.16rem);
}

.eyebrow,
.category-card .number,
.partner-placeholder span,
.footer-heading {
  color: var(--color-primary);
}

.button {
  color: #111410;
}

.button--outline {
  color: var(--color-foreground);
  border-color: var(--color-border);
}

.button--outline:hover {
  color: #101310;
  border-color: var(--color-foreground);
  background: var(--color-foreground);
}

.button--light {
  color: #111410;
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.site-header {
  background: rgba(10, 13, 11, 0.9);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  background: rgba(10, 13, 11, 0.97);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.28);
}

.hero {
  background: transparent;
}

.hero-copy {
  min-height: 39rem;
  padding-block: clamp(3.5rem, 6.5vw, 6rem);
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(2.8rem, 4.8vw, 5rem);
}

.hero h1 span {
  color: var(--color-primary);
}

.hero-media {
  min-height: 39rem;
  background: #1b201c;
}

.hero-media::after {
  background: linear-gradient(90deg, rgba(8, 11, 9, 0.5), rgba(8, 11, 9, 0.02) 55%);
}

.hero-media img,
.page-hero-media img,
.category-card img,
.product-card-image img,
.media-frame img {
  filter: saturate(0.68) brightness(0.76) contrast(1.08);
}

.hero-note {
  background: rgba(9, 12, 10, 0.94);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.page-hero {
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
  border-bottom: 1px solid var(--color-border);
}

.page-hero .container:has(.page-hero-media) {
  display: grid;
  grid-template-columns: minmax(17rem, 0.78fr) minmax(0, 1.22fr);
  align-items: stretch;
  gap: clamp(2rem, 6vw, 6rem);
}

.page-hero .container:has(.page-hero-media) .page-hero-grid {
  grid-template-columns: 1fr;
  align-content: end;
  gap: 1.4rem;
}

.page-hero h1 {
  max-width: 13ch;
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 1;
}

.page-hero-media {
  position: relative;
  height: clamp(22rem, 35vw, 31rem);
  margin-top: 0;
  background: #1b201c;
}

.page-hero-media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(236, 232, 221, 0.08);
  background: linear-gradient(180deg, transparent 55%, rgba(8, 11, 9, 0.28));
  content: "";
  pointer-events: none;
}

.page-hero--compact {
  padding-block: clamp(3rem, 5vw, 4.5rem);
}

.page-hero--compact h1 {
  font-size: clamp(2.35rem, 3.8vw, 3.8rem);
}

.category-card,
.product-card-image,
.media-frame {
  background: #1b201c;
}

.category-card {
  min-height: 23rem;
  border: 1px solid rgba(236, 232, 221, 0.07);
}

.category-card::after {
  background: linear-gradient(180deg, rgba(8, 11, 9, 0.04) 25%, rgba(8, 11, 9, 0.92));
}

.product-grid--compact .product-card-image {
  height: clamp(12rem, 20vw, 17rem);
}

.product-grid--compact .product-card h2 {
  font-size: clamp(1.35rem, 1.9vw, 1.85rem);
}

.product-card,
.service-list,
.contact-details {
  border-color: var(--color-border);
}

.service-list--compact .service-row {
  min-height: 7.25rem;
  padding-block: 1.35rem;
}

.service-row h2 {
  font-size: clamp(1.35rem, 2vw, 1.95rem);
}

.partner-placeholder {
  min-height: 14rem;
  background: #131714;
}

.partner-placeholder:hover {
  color: var(--color-foreground);
  background: #1c221e;
}

.contact-form {
  border: 1px solid var(--color-border);
  background: #151916;
}

.contact-form h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
}

.field input,
.field select,
.field textarea {
  color: var(--color-foreground);
  background: #0f120f;
}

.field select option {
  color: var(--color-foreground);
  background: #151916;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  background: #0b0e0c;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #737a73;
}

.form-status {
  background: #0d100e;
}

.cta-band::before {
  border-color: rgba(196, 154, 84, 0.2);
}

.cta-inner h2 {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
}

@media (max-width: 820px) {
  .page-hero .container:has(.page-hero-media) {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .page-hero .container:has(.page-hero-media) .page-hero-grid {
    padding-top: 1rem;
  }

  .page-hero-media {
    height: clamp(20rem, 65vw, 29rem);
  }

  .hero-copy,
  .hero-media {
    min-height: auto;
  }

  .hero-media {
    min-height: clamp(23rem, 70vw, 34rem);
  }
}

@media (max-width: 600px) {
  h2 {
    font-size: clamp(1.75rem, 8.3vw, 2.45rem);
  }

  .hero h1 {
    font-size: clamp(2.3rem, 10.5vw, 3.25rem);
  }

  .page-hero h1,
  .page-hero--compact h1 {
    font-size: clamp(2.15rem, 9.5vw, 3rem);
  }

  .page-hero-media {
    width: 100%;
    height: 19rem;
    margin-left: 0;
  }

  .category-preview--three .category-card,
  .category-preview--three .category-card:nth-child(1) {
    grid-column: auto;
  }

  .category-card {
    min-height: 19rem;
  }

  .product-grid--compact .product-card-image {
    height: 15rem;
  }

  .contact-form {
    border-right: 0;
    border-left: 0;
  }
}
/* Language switcher */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.header-tools {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 0.75rem;
}

.language-select {
  min-width: 4.4rem;
  min-height: 3.35rem;
  padding: 0.7rem 1.75rem 0.7rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-foreground);
  background-color: transparent;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-primary) 50%),
    linear-gradient(135deg, var(--color-primary) 50%, transparent 50%);
  background-position:
    calc(100% - 0.8rem) 50%,
    calc(100% - 0.55rem) 50%;
  background-repeat: no-repeat;
  background-size: 0.28rem 0.28rem, 0.28rem 0.28rem;
  appearance: none;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: border-color var(--transition), background-color var(--transition);
}

.language-select:hover,
.language-select:focus {
  border-color: var(--color-primary);
  background-color: rgba(196, 154, 84, 0.06);
}

.language-select option {
  color: var(--color-foreground);
  background: var(--color-surface);
}

html[lang="zh-Hans"] body {
  font-family: "Microsoft YaHei", "PingFang SC", var(--font-body);
}

html[lang="zh-Hans"] h1,
html[lang="zh-Hans"] h2,
html[lang="zh-Hans"] h3 {
  letter-spacing: -0.02em;
}

@media (max-width: 600px) {
  .header-tools {
    gap: 0;
  }

  .language-select {
    min-width: 4rem;
    min-height: 3rem;
    padding-left: 0.65rem;
  }
}


/* Energy equipment: small extensions to the existing visual system. */
.category-preview--energy .category-card,
.category-preview--energy .category-card:nth-child(1) { grid-column: span 6; min-height: 28rem; }
.category-preview--energy img, .product-card-image img, .hero-media img, .page-hero-media img { filter: none; }
.product-summary { margin-top: 1.1rem; color: var(--color-muted); line-height: 1.75; }
.catalog-note { max-width: 62rem; margin-top: 2.2rem; color: var(--color-muted); font-size: .88rem; }
.partner-profile { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 1rem; padding: clamp(1.5rem, 2.5vw, 2.5rem); border: 1px solid var(--color-border); min-width: 0; min-height: 22rem; }
.partner-profile .partner-logo { width: 100%; max-width: 210px; height: 160px; margin-bottom: auto; object-fit: contain; object-position: left center; }
.partner-profile .partner-logo--eagle { max-width: 170px; }
.partner-profile .partner-wordmark { margin-bottom: auto; padding-top: 3rem; color: var(--color-primary); letter-spacing: .17em; font-family: var(--font-display); font-size: clamp(1.9rem, 2.6vw, 2.8rem); font-weight: 700; }
.partner-profile .partner-name { color: var(--color-foreground); font-family: var(--font-display); font-size: clamp(1.25rem, 2vw, 1.8rem); line-height: 1.15; overflow-wrap: anywhere; }
.partner-profile > span:last-child { color: var(--color-primary); font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; }
.contact-person { display: flex; align-items: flex-start; flex-direction: column; gap: 1rem; padding: clamp(1.75rem, 4vw, 3.5rem); background: var(--color-surface); border: 1px solid var(--color-border); }
.contact-person h2 { margin: 0; }
.contact-role, .contact-instruction { color: var(--color-muted); line-height: 1.7; }
.contact-phone { font-size: clamp(1.5rem, 2.5vw, 2.35rem); font-family: var(--font-display); font-weight: 700; color: var(--color-primary); overflow-wrap: anywhere; }
.contact-phone:hover { text-decoration: underline; }
@media(max-width: 820px) { .category-preview--energy .category-card, .category-preview--energy .category-card:nth-child(1) { grid-column: span 6; min-height: 23rem; } }
@media(max-width: 600px) { .category-preview--energy .category-card, .category-preview--energy .category-card:nth-child(1) { grid-column: auto; min-height: 19rem; } }