:root {
  --ink: #141719;
  --ink-soft: #252a2d;
  --paper: #f4f3ef;
  --white: #ffffff;
  --mist: #e5e6e3;
  --line: #d4d5d1;
  --muted: #686f70;
  --orange: #f15a29;
  --orange-dark: #cf3f14;
  --teal: #0e5b5e;
  --header-height: 76px;
  --container: 1240px;
  --shadow: 0 20px 50px rgba(12, 16, 18, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

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

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

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

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

.container {
  width: calc(100% - 64px);
  max-width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  padding: 10px 14px;
  border-radius: 4px;
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
  transform: translateY(-140%);
}

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

:focus-visible {
  outline: 3px solid rgba(241, 90, 41, 0.46);
  outline-offset: 3px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--white);
  transition: background-color 240ms ease, color 240ms ease, box-shadow 240ms ease;
}

.site-header.is-scrolled,
.site-header.menu-open {
  border-bottom-color: var(--line);
  background: rgba(244, 243, 239, 0.97);
  color: var(--ink);
  box-shadow: 0 10px 28px rgba(15, 18, 19, 0.08);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  place-items: center;
  overflow: hidden;
  background: var(--orange);
  color: var(--white);
}

.brand-mark::after {
  position: absolute;
  right: -9px;
  bottom: -11px;
  width: 24px;
  height: 30px;
  border: 4px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  content: "";
}

.brand-mark span {
  position: relative;
  z-index: 1;
  font-size: 14px;
  font-weight: 800;
}

.brand-name {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  line-height: 1.1;
}

.brand-name strong {
  margin-bottom: 4px;
  font-size: 15px;
}

.brand-name small {
  font-size: 10px;
  opacity: 0.68;
}

.desktop-nav {
  display: flex;
  align-self: stretch;
  align-items: center;
  gap: 38px;
}

.desktop-nav a {
  position: relative;
  display: flex;
  height: 100%;
  align-items: center;
  font-size: 14px;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--orange);
  content: "";
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 180ms ease, transform 180ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease,
    transform 180ms ease;
}

.button svg {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
}

.button:hover {
  transform: translateY(-2px);
}

.button-small {
  min-height: 40px;
  padding: 0 15px;
  font-size: 13px;
}

.button-primary {
  background: var(--orange);
  color: var(--white);
}

.button-primary:hover {
  background: var(--orange-dark);
}

.button-light {
  background: var(--white);
  color: var(--ink);
}

.is-scrolled .button-light,
.menu-open .button-light {
  background: var(--ink);
  color: var(--white);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(13, 17, 19, 0.16);
  color: var(--white);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(13, 17, 19, 0.38);
}

.icon-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.icon-button svg {
  width: 20px;
  height: 20px;
}

.menu-toggle {
  display: none;
}

.mobile-menu {
  position: fixed;
  top: var(--header-height);
  right: 0;
  left: 0;
  height: calc(100svh - var(--header-height));
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  padding-block: 24px;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 700;
}

.mobile-menu a span {
  color: var(--orange);
  font-size: 11px;
  font-weight: 800;
}

.hero {
  position: relative;
  display: flex;
  height: 88svh;
  min-height: 660px;
  max-height: 880px;
  align-items: center;
  overflow: hidden;
  background: #0f1315;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background: rgba(6, 9, 10, 0.23);
  box-shadow: inset 740px 0 180px rgba(4, 7, 8, 0.76), inset 0 -130px 110px rgba(4, 7, 8, 0.3);
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: var(--header-height);
}

.hero-content {
  width: min(760px, 64%);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--orange-dark);
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
}

.eyebrow > span {
  display: block;
  width: 30px;
  height: 2px;
  background: currentColor;
}

.eyebrow-light {
  color: #ff865f;
}

.hero h1 {
  margin-bottom: 24px;
  font-size: 66px;
  font-weight: 800;
}

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

.hero-lead {
  margin-bottom: 12px;
  font-size: 24px;
  font-weight: 700;
}

.hero-copy {
  max-width: 600px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
}

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

.hero-next {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 3;
  display: grid;
  width: min(420px, 32vw);
  min-height: 88px;
  grid-template-columns: 1fr auto;
  align-content: center;
  padding: 15px 28px;
  background: var(--orange);
  color: var(--white);
}

.hero-next-index {
  grid-column: 1;
  margin-bottom: 4px;
  font-family: Arial, sans-serif;
  font-size: 10px;
  font-weight: 800;
  opacity: 0.7;
}

.hero-next-title {
  grid-column: 1;
  font-size: 15px;
  font-weight: 700;
}

.hero-next svg {
  width: 24px;
  height: 24px;
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  transition: transform 180ms ease;
}

.hero-next:hover svg {
  transform: translate(3px, 3px);
}

.section {
  padding: 112px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: end;
  gap: 72px;
  margin-bottom: 48px;
}

.section-heading h2,
.selection-content h2,
.about-content h2,
.contact-copy h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 800;
}

.section-heading > p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 15px;
}

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.filter-button {
  min-height: 38px;
  flex: 0 0 auto;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.product-card {
  position: relative;
  display: flex;
  min-height: 360px;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  transition: background-color 220ms ease, color 220ms ease;
}

.product-card::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.product-card:hover {
  background: var(--white);
}

.product-card:hover::after {
  transform: scaleX(1);
}

.product-card[hidden] {
  display: none;
}

.product-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.product-number {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.product-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--teal);
}

.product-icon svg {
  width: 25px;
  height: 25px;
}

.product-group {
  margin-bottom: 12px;
  color: var(--orange-dark);
  font-family: Arial, sans-serif;
  font-size: 10px;
  font-weight: 800;
}

.product-card h3 {
  margin-bottom: 14px;
  font-size: 25px;
}

.product-card p:not(.product-group) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 9px;
  padding: 0 0 3px;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.text-link svg {
  width: 15px;
  height: 15px;
  transition: transform 160ms ease;
}

.text-link:hover svg {
  transform: translateX(4px);
}

.selection-section {
  padding: 0;
  background: var(--ink);
  color: var(--white);
}

.selection-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, 0.94fr);
  min-height: 720px;
}

.selection-visual {
  position: relative;
  min-height: 620px;
  margin-left: calc((100vw - min(var(--container), calc(100vw - 64px))) / -2);
  overflow: hidden;
}

.selection-visual::after {
  position: absolute;
  inset: 0;
  background: rgba(14, 91, 94, 0.12);
  content: "";
}

.selection-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-caption {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 2;
  display: flex;
  min-width: 260px;
  flex-direction: column;
  padding: 18px 20px;
  border-left: 4px solid var(--orange);
  background: rgba(17, 20, 22, 0.88);
  color: var(--white);
  backdrop-filter: blur(8px);
}

.image-caption span {
  margin-bottom: 3px;
  color: #ff865f;
  font-family: Arial, sans-serif;
  font-size: 9px;
  font-weight: 800;
}

.image-caption strong {
  font-size: 14px;
}

.selection-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 84px 0 84px 76px;
}

.selection-content h2 {
  margin-bottom: 24px;
}

.selection-intro {
  max-width: 520px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
}

.selection-list {
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
}

.selection-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.selection-list li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.selection-list > li > span {
  color: var(--orange);
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
}

.selection-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
}

.selection-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 13px;
}

.selection-content .button {
  align-self: flex-start;
}

.process-section {
  background: #e9e7e0;
}

.compact-heading {
  margin-bottom: 42px;
}

.process-grid {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #bec1bd;
  border-left: 1px solid #bec1bd;
  list-style: none;
}

.process-grid li {
  position: relative;
  min-height: 260px;
  padding: 28px;
  border-right: 1px solid #bec1bd;
  border-bottom: 1px solid #bec1bd;
}

.process-index {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #8a8f8d;
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
}

.process-grid svg {
  width: 30px;
  height: 30px;
  margin: 36px 0 42px;
  color: var(--teal);
}

.process-grid h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.process-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.about-section {
  position: relative;
  overflow: hidden;
  background: var(--white);
}

.about-section::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 10px;
  background: var(--orange);
  content: "";
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: 100px;
}

.about-name {
  position: relative;
  min-height: 420px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.about-name::before,
.about-name::after {
  position: absolute;
  content: "";
}

.about-name::before {
  inset: 28px;
  border: 1px solid var(--line);
}

.about-name::after {
  top: 0;
  right: 30%;
  width: 1px;
  height: 100%;
  background: var(--line);
}

.about-name span {
  position: absolute;
  top: 46px;
  left: 48px;
  color: var(--teal);
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
}

.about-name strong {
  position: absolute;
  right: 44px;
  bottom: 34px;
  z-index: 1;
  color: var(--ink);
  font-size: 110px;
  line-height: 1;
}

.about-content h2 {
  margin-bottom: 28px;
}

.about-content > p:not(.eyebrow) {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 15px;
}

.about-points {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  margin-top: 32px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.about-points span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.about-points svg {
  width: 18px;
  height: 18px;
  color: var(--orange-dark);
}

.contact-section {
  position: relative;
  background: #15191a;
  color: var(--white);
}

.contact-section::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 22%;
  height: 9px;
  background: var(--teal);
  content: "";
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(560px, 1.28fr);
  gap: 90px;
}

.contact-copy {
  padding-top: 12px;
}

.contact-copy h2 {
  margin-bottom: 24px;
}

.contact-copy > p:not(.eyebrow) {
  max-width: 450px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
}

.contact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.contact-tags span {
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
}

.request-form {
  padding-left: 48px;
  border-left: 1px solid rgba(255, 255, 255, 0.17);
}

.form-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 30px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
}

.form-heading span {
  font-size: 20px;
  font-weight: 700;
}

.form-heading strong {
  color: #ff865f;
  font-family: Arial, sans-serif;
  font-size: 9px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 20px;
}

.field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 8px;
}

.field > span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 3px;
  outline: 0;
  background: rgba(255, 255, 255, 0.045);
  color: var(--white);
  transition: border-color 160ms ease, background-color 160ms ease;
}

.field input,
.field select {
  height: 48px;
  padding: 0 13px;
}

.field textarea {
  min-height: 112px;
  resize: vertical;
  padding: 12px 13px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.34);
}

.field select option {
  background: var(--ink);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: #ff865f;
  background: rgba(255, 255, 255, 0.08);
}

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

.confirm-field {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.68);
  cursor: pointer;
  font-size: 12px;
}

.confirm-field input {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--orange);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 26px;
}

.form-actions > p {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 11px;
}

.form-actions > p svg {
  width: 14px;
  height: 14px;
}

.form-actions .button {
  flex: 0 0 auto;
}

.site-footer {
  background: #0b0d0e;
  color: var(--white);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 48px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.footer-top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.footer-top nav a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.footer-top nav a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  color: rgba(255, 255, 255, 0.36);
  font-family: Arial, sans-serif;
  font-size: 10px;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 800;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--orange);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

.summary-dialog {
  width: min(620px, calc(100% - 32px));
  max-height: calc(100svh - 40px);
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

.summary-dialog::backdrop {
  background: rgba(4, 7, 8, 0.72);
  backdrop-filter: blur(5px);
}

.summary-dialog:not([open]) {
  display: none;
}

.dialog-header,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
}

.dialog-header {
  border-bottom: 1px solid var(--line);
}

.dialog-header span {
  display: block;
  margin-bottom: 4px;
  color: var(--orange-dark);
  font-family: Arial, sans-serif;
  font-size: 9px;
  font-weight: 800;
}

.dialog-header h2 {
  margin: 0;
  font-size: 22px;
}

.dialog-header .icon-button {
  flex: 0 0 42px;
}

#summary-content {
  min-height: 250px;
  margin: 0;
  padding: 26px 24px;
  overflow-x: auto;
  background: var(--white);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.9;
}

.dialog-actions {
  border-top: 1px solid var(--line);
}

.dialog-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 2200;
  max-width: calc(100% - 32px);
  padding: 11px 16px;
  border-radius: 4px;
  background: var(--teal);
  color: var(--white);
  box-shadow: var(--shadow);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

@media (max-width: 1080px) {
  .desktop-nav {
    gap: 24px;
  }

  .hero h1 {
    font-size: 56px;
  }

  .hero-content {
    width: 70%;
  }

  .selection-content {
    padding-left: 48px;
  }

  .about-grid,
  .contact-grid {
    gap: 56px;
  }

  .contact-grid {
    grid-template-columns: minmax(280px, 0.65fr) minmax(520px, 1.35fr);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: calc(100% - 40px);
  }

  .desktop-nav,
  .header-actions .button {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .hero {
    min-height: 640px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-content {
    width: 76%;
  }

  .hero-next {
    width: 38vw;
  }

  .section {
    padding: 88px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section-heading h2,
  .selection-content h2,
  .about-content h2,
  .contact-copy h2 {
    font-size: 42px;
  }

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

  .selection-grid {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .selection-visual {
    min-height: 480px;
    margin-left: 0;
  }

  .selection-content {
    padding: 72px 40px;
  }

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

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-name {
    min-height: 320px;
  }

  .about-name strong {
    font-size: 92px;
  }

  .contact-grid {
    gap: 58px;
  }

  .request-form {
    padding-top: 44px;
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.17);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  .container {
    width: calc(100% - 32px);
  }

  .brand-name small {
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    height: 86svh;
    min-height: 620px;
    max-height: 760px;
    align-items: flex-start;
  }

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

  .hero-shade {
    background: rgba(5, 8, 9, 0.5);
    box-shadow: inset 0 -160px 110px rgba(5, 8, 9, 0.46);
  }

  .hero-inner {
    padding-top: 132px;
  }

  .hero-content {
    width: 100%;
  }

  .eyebrow {
    margin-bottom: 16px;
  }

  .hero h1 {
    margin-bottom: 18px;
    font-size: 40px;
  }

  .hero-lead {
    font-size: 20px;
  }

  .hero-copy {
    max-width: 92%;
    margin-bottom: 24px;
    font-size: 14px;
  }

  .hero-actions {
    gap: 9px;
  }

  .hero-actions .button {
    min-height: 46px;
    padding: 0 17px;
  }

  .hero-next {
    width: 62%;
    min-height: 72px;
    padding: 12px 18px;
  }

  .hero-next-title {
    font-size: 13px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .selection-content h2,
  .about-content h2,
  .contact-copy h2 {
    font-size: 34px;
  }

  .section-heading > p {
    font-size: 14px;
  }

  .filter-bar {
    margin-right: -16px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    min-height: 330px;
    padding: 26px;
  }

  .selection-visual {
    min-height: 360px;
  }

  .image-caption {
    right: 16px;
    bottom: 16px;
    left: 16px;
    min-width: 0;
  }

  .selection-content {
    padding: 64px 16px 72px;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid li {
    min-height: 220px;
  }

  .process-grid svg {
    margin: 24px 0 34px;
  }

  .about-grid {
    gap: 52px;
  }

  .about-name {
    min-height: 260px;
  }

  .about-name strong {
    right: 28px;
    bottom: 24px;
    font-size: 70px;
  }

  .about-name span {
    top: 38px;
    left: 38px;
  }

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

  .contact-grid {
    gap: 48px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .field-full {
    grid-column: auto;
  }

  .form-heading strong {
    display: none;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .form-actions .button {
    width: 100%;
  }

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

  .footer-top {
    gap: 32px;
  }

  .footer-top nav {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 22px;
  }

  .footer-bottom {
    justify-content: center;
    gap: 3px;
    padding: 18px 0;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
  }

  .dialog-header,
  .dialog-actions {
    padding: 18px;
  }

  #summary-content {
    padding: 22px 18px;
  }

  .dialog-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 370px) {
  .hero h1 {
    font-size: 36px;
  }

  .hero-actions .button {
    padding: 0 13px;
  }

  .hero-next {
    width: 68%;
  }
}

@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;
  }

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