:root {
  --ink: #17201c;
  --muted: #647069;
  --paper: #f5f7f6;
  --surface: #ffffff;
  --surface-soft: #edf2ef;
  --line: #d8dfdb;
  --brand: #136f55;
  --brand-dark: #0b4c3a;
  --brand-light: #d8eee6;
  --signal: #e0a52b;
  --charcoal: #17231e;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(20, 40, 31, 0.12);
  --content: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
select,
textarea {
  font-family: inherit;
}

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

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

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

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

h1 {
  margin-bottom: 22px;
  font-size: 52px;
  line-height: 1.18;
}

h2 {
  margin-bottom: 16px;
  font-size: 38px;
  line-height: 1.28;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.4;
}

button,
input,
select,
textarea,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(224, 165, 43, 0.8);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--surface);
  color: var(--ink);
  transform: translateY(-150%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  min-height: 76px;
  padding: 10px max(24px, calc((100vw - var(--content)) / 2));
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(216, 223, 219, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 186px;
}

.brand img {
  width: 112px;
  height: 40px;
  object-fit: contain;
}

.brand-name {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  color: var(--brand-dark);
  font-size: 17px;
  font-weight: 800;
  white-space: nowrap;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  color: #3e4943;
  font-size: 15px;
}

.top-nav a {
  position: relative;
  padding: 13px 0;
}

.top-nav a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 2px;
  background: var(--brand);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.top-nav a:hover {
  color: var(--brand-dark);
}

.top-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-call {
  display: grid;
  line-height: 1.25;
  text-align: right;
}

.header-call span {
  color: var(--muted);
  font-size: 12px;
}

.header-call strong {
  color: var(--brand-dark);
  font-size: 17px;
}

.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: max(580px, calc(100vh - 132px));
  max-height: 780px;
  overflow: hidden;
  background: #14201b;
  color: var(--white);
}

.hero::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 20, 16, 0.94) 0%, rgba(10, 20, 16, 0.82) 33%, rgba(10, 20, 16, 0.36) 62%, rgba(10, 20, 16, 0.04) 100%);
  content: "";
  pointer-events: none;
}

.hero::after {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  content: "";
}

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

.hero-slide {
  object-fit: cover;
  opacity: 0;
  transform: scale(1.015);
  transition: opacity 900ms ease, transform 7000ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 72px 24px 76px;
}

.hero-controls {
  position: absolute;
  z-index: 4;
  right: max(24px, calc((100vw - var(--content)) / 2));
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.slide-arrow,
.slide-dot {
  padding: 0;
  border: 0;
  cursor: pointer;
}

.slide-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: rgba(10, 20, 16, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 4px;
  color: var(--white);
  font-size: 20px;
  backdrop-filter: blur(8px);
  transition: background 160ms ease, border-color 160ms ease;
}

.slide-arrow:hover {
  background: var(--brand);
  border-color: var(--brand);
}

.slide-dots {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  padding: 0 12px;
  background: rgba(10, 20, 16, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 4px;
  backdrop-filter: blur(8px);
}

.slide-dot {
  width: 22px;
  height: 3px;
  background: rgba(255, 255, 255, 0.42);
  transition: width 180ms ease, background 180ms ease;
}

.slide-dot.is-active {
  width: 36px;
  background: var(--signal);
}

.hero-kicker,
.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d9efe7;
  letter-spacing: 0.08em;
}

.hero-kicker span {
  width: 32px;
  height: 2px;
  background: var(--signal);
}

.hero h1 {
  max-width: 760px;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  background: var(--signal);
  color: #1d241f;
}

.button-primary:hover {
  background: #efb63c;
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.44);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  backdrop-filter: blur(8px);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.14);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-points li::before {
  width: 7px;
  height: 7px;
  background: var(--signal);
  border-radius: 50%;
  content: "";
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--content);
  margin: 0 auto;
  padding: 0 24px;
  background: var(--surface);
}

.proof-item {
  display: grid;
  gap: 3px;
  padding: 25px 26px;
  border-right: 1px solid var(--line);
}

.proof-item:first-child {
  border-left: 1px solid var(--line);
}

.proof-item strong {
  color: var(--brand-dark);
  font-size: 17px;
}

.proof-item span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 92px max(24px, calc((100vw - var(--content)) / 2));
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.7fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 42px;
}

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

.section-heading > p {
  max-width: 570px;
  justify-self: end;
  color: var(--muted);
}

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

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.product-card:hover {
  border-color: #b7c4bd;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.product-card-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
}

.product-image {
  position: relative;
  display: block;
  width: 100%;
  min-height: 210px;
  padding: 0;
  overflow: hidden;
  background: #e8ecea;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  text-align: left;
}

.product-card-featured .product-image {
  min-height: 360px;
}

.product-image img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 400ms ease;
}

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

.product-image > span {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 9px;
  background: var(--brand-dark);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.product-card-featured .product-body {
  justify-content: center;
  padding: 34px;
}

.product-index {
  margin-bottom: 16px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

.product-body h3 {
  margin-bottom: 9px;
}

.product-body > p:not(.product-index) {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 14px;
}

.product-card-featured .product-body > p:not(.product-index) {
  font-size: 15px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
}

.text-link span {
  font-size: 18px;
  transition: transform 160ms ease;
}

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

.product-links {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 18px;
  margin-top: auto;
  border-top: 1px solid var(--line);
}

.product-links .text-link {
  margin-top: 0;
  border-top: 0;
}

.text-link-muted {
  color: var(--muted);
  font-weight: 700;
}

.text-link-muted:hover {
  color: var(--brand-dark);
}

.product-showcase {
  margin-top: 72px;
  padding-top: 56px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 94px;
}

.product-showcase-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 26px;
}

.product-showcase-head h3 {
  margin-bottom: 0;
  font-size: 28px;
}

.product-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: #49564f;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.filter-button span {
  color: #8a958f;
  font-size: 11px;
}

.filter-button:hover {
  border-color: #aab7b0;
  color: var(--brand-dark);
}

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

.filter-button.is-active span {
  color: rgba(255, 255, 255, 0.72);
}

.product-rail-wrap {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 46px;
  gap: 12px;
  align-items: center;
}

.product-gallery-viewport {
  min-width: 0;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}

.product-gallery-viewport::-webkit-scrollbar {
  display: none;
}

.product-gallery {
  display: flex;
  gap: 18px;
}

.gallery-item {
  display: flex;
  flex: 0 0 calc((100% - 54px) / 4);
  min-width: 0;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  cursor: pointer;
  scroll-snap-align: start;
  text-align: left;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.gallery-item[hidden] {
  display: none;
}

.gallery-item:hover {
  border-color: #aebbb4;
  box-shadow: 0 12px 32px rgba(20, 40, 31, 0.12);
  transform: translateY(-3px);
}

.gallery-image {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0d4e96;
}

.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.gallery-item:hover .gallery-image img {
  transform: scale(1.025);
}

.gallery-copy {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 12px;
  padding: 16px;
}

.gallery-copy small {
  grid-column: 1 / -1;
  color: var(--brand);
  font-size: 11px;
  font-weight: 800;
}

.gallery-copy strong {
  min-width: 0;
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gallery-copy > span {
  align-self: center;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.rail-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--brand-dark);
  cursor: pointer;
  font-size: 20px;
}

.rail-arrow:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--white);
}

.gallery-status {
  margin: 16px 58px 0;
  color: var(--muted);
  font-size: 12px;
}

.product-dialog {
  width: min(980px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100vh - 40px);
  padding: 0;
  overflow: visible;
  background: var(--surface);
  border: 0;
  border-radius: 6px;
  color: var(--ink);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.38);
}

.product-dialog::backdrop {
  background: rgba(5, 12, 9, 0.76);
  backdrop-filter: blur(5px);
}

.dialog-content {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  min-height: 510px;
  overflow: hidden;
  border-radius: 6px;
}

.dialog-figure {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  margin: 0;
  padding: 30px;
  background: #103f78;
}

.dialog-figure img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  border-radius: 3px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
}

.dialog-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 48px 42px;
}

.dialog-category {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

.dialog-copy h3 {
  margin-bottom: 16px;
  font-size: 30px;
}

.dialog-description {
  margin-bottom: 26px;
  color: var(--muted);
}

.dialog-specs {
  display: grid;
  margin: 0 0 28px;
  border-top: 1px solid var(--line);
}

.dialog-specs div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.dialog-specs dt {
  color: var(--muted);
}

.dialog-specs dd {
  margin: 0;
  color: #334038;
  font-weight: 700;
}

.button-dialog {
  align-self: flex-start;
  background: var(--brand);
  color: var(--white);
}

.button-dialog:hover {
  background: var(--brand-dark);
}

.dialog-close,
.dialog-nav {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 4px;
  cursor: pointer;
}

.dialog-close {
  top: 14px;
  right: 14px;
  background: #eef2ef;
  border: 0;
  color: var(--ink);
  font-size: 24px;
}

.dialog-nav {
  top: 50%;
  background: rgba(10, 20, 16, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
  font-size: 20px;
  transform: translateY(-50%);
}

.dialog-prev {
  left: -58px;
}

.dialog-next {
  right: -58px;
}

.dialog-nav:hover {
  background: var(--brand);
  border-color: var(--brand);
}

.solutions-band {
  padding: 92px max(24px, calc((100vw - var(--content)) / 2));
  background: var(--charcoal);
  color: var(--white);
}

.topic-directory {
  border-top: 1px solid var(--line);
  background: #f7f9f8;
}

.topic-directory-grid {
  display: grid;
  gap: 38px;
}

.topic-directory-group {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.topic-directory-label {
  margin: 0;
  padding-top: 17px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
}

.topic-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.topic-link-grid a {
  min-width: 0;
  padding: 17px 18px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: var(--white);
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.topic-link-grid a:hover,
.topic-link-grid a:focus-visible {
  color: var(--brand-dark);
  background: #eef7f3;
  border-color: #b8d9cd;
}

.topic-link-grid strong,
.topic-link-grid span {
  display: block;
  overflow-wrap: anywhere;
}

.topic-link-grid strong {
  margin-bottom: 5px;
  font-size: 15px;
  line-height: 1.4;
}

.topic-link-grid span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.topic-link-grid-compact {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.section-heading-light .eyebrow {
  color: #88d4b8;
}

.section-heading-light > p {
  color: rgba(255, 255, 255, 0.64);
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.solution-list article {
  min-width: 0;
  padding: 30px 28px 34px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.solution-list article:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.solution-list span {
  display: block;
  margin-bottom: 50px;
  color: var(--signal);
  font-size: 13px;
  font-weight: 800;
}

.solution-list h3 {
  font-size: 20px;
}

.solution-list p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.process-section {
  background: var(--paper);
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.process li {
  position: relative;
  min-width: 0;
  padding: 0 28px 0 0;
}

.process li:not(:last-child)::after {
  position: absolute;
  top: 22px;
  right: 12px;
  left: 60px;
  height: 1px;
  background: #bfc9c3;
  content: "";
}

.process-number {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 26px;
  background: var(--brand);
  border-radius: 50%;
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
}

.process h3 {
  font-size: 18px;
}

.process p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.about-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  min-height: 650px;
  background: var(--surface);
}

.about-visual {
  min-height: 100%;
  overflow: hidden;
}

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

.about-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 76px max(28px, calc((100vw - var(--content)) / 2));
  padding-left: 72px;
}

.about-copy > p:not(.eyebrow) {
  max-width: 640px;
  color: var(--muted);
}

.about-facts {
  display: grid;
  gap: 0;
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.about-facts div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 22px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.about-facts strong {
  color: var(--brand-dark);
}

.about-facts span {
  color: var(--muted);
  font-size: 14px;
}

.service-area {
  background: var(--surface-soft);
}

.area-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid #c9d4ce;
  border-left: 1px solid #c9d4ce;
}

.area-row span {
  flex: 1 1 105px;
  min-width: 94px;
  padding: 14px 16px;
  border-right: 1px solid #c9d4ce;
  border-bottom: 1px solid #c9d4ce;
  color: var(--brand-dark);
  font-weight: 800;
  text-align: center;
}

.search-guides {
  padding: 86px max(24px, calc((100vw - var(--content)) / 2));
  background: var(--charcoal);
  color: var(--white);
}

.search-guides .section-heading > p {
  color: #b9c8c1;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.guide-grid a {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  padding: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: background 180ms ease;
}

.guide-grid a:hover {
  background: rgba(255, 255, 255, 0.07);
}

.guide-grid span {
  margin-bottom: 34px;
  color: var(--signal);
  font-size: 13px;
  font-weight: 800;
}

.guide-grid h3 {
  font-size: 20px;
}

.guide-grid p {
  color: #b9c8c1;
  font-size: 14px;
}

.guide-grid strong {
  margin-top: auto;
  color: #f3c861;
  font-size: 14px;
}

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

.faq-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.4fr) minmax(0, 1fr);
  gap: 80px;
}

.faq-intro {
  max-width: 300px;
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 24px 54px 24px 0;
  cursor: pointer;
  font-size: 17px;
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::before,
.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 18px;
  height: 2px;
  background: var(--brand);
  content: "";
  transform: translateY(-50%);
}

.faq-list summary::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 160ms ease;
}

.faq-list details[open] summary::after {
  transform: translateY(-50%) rotate(0deg);
}

.faq-list details p {
  max-width: 780px;
  margin: -5px 54px 24px 0;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 0.7fr);
  gap: 80px;
  padding: 92px max(24px, calc((100vw - var(--content)) / 2));
  background: #0f1c17;
  color: var(--white);
}

.contact-copy .eyebrow {
  color: #86d1b5;
}

.contact-copy h2 {
  max-width: 660px;
}

.contact-lead {
  max-width: 570px;
  color: rgba(255, 255, 255, 0.62);
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-details a,
.contact-details p {
  display: grid;
  min-width: 0;
  gap: 4px;
  margin: 0;
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-details span {
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.contact-details strong {
  overflow-wrap: anywhere;
  font-size: 15px;
}

.contact-details a:hover strong {
  color: #a8e1ca;
}

.inquiry-form {
  display: grid;
  align-self: start;
  gap: 16px;
  padding: 30px;
  background: var(--surface);
  border-radius: 6px;
  color: var(--ink);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.form-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.form-heading h3,
.form-heading p {
  margin-bottom: 0;
}

.form-heading p,
.form-note {
  color: var(--muted);
  font-size: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: #37433d;
  font-size: 13px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-width: 0;
  padding: 11px 12px;
  background: #fbfcfb;
  border: 1px solid #cbd4cf;
  border-radius: 3px;
  color: var(--ink);
  font: inherit;
  font-weight: 400;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.inquiry-form textarea {
  min-height: 118px;
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(19, 111, 85, 0.12);
  outline: none;
}

.inquiry-form button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 18px;
  background: var(--brand);
  border: 0;
  border-radius: 3px;
  color: var(--white);
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
}

.inquiry-form button:hover {
  background: var(--brand-dark);
}

.form-note {
  margin: -4px 0 0;
  text-align: center;
}

.site-footer {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 1fr;
  gap: 72px;
  padding: 54px max(24px, calc((100vw - var(--content)) / 2)) 82px;
  background: #09110e;
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
}

.site-footer > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer strong,
.site-footer a {
  color: rgba(255, 255, 255, 0.86);
}

.site-footer a:hover {
  color: #a8e1ca;
}

.footer-brand {
  margin-bottom: 4px;
  font-size: 24px;
  font-weight: 900;
}

.copyright {
  position: absolute;
  right: max(24px, calc((100vw - var(--content)) / 2));
  bottom: 22px;
  left: max(24px, calc((100vw - var(--content)) / 2));
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
}

.mobile-action-bar {
  display: none;
}

@media (max-width: 1080px) {
  h1 {
    font-size: 46px;
  }

  .site-header {
    gap: 20px;
  }

  .top-nav {
    gap: 20px;
  }

  .brand-name {
    display: none;
  }

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

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

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

  .product-card-featured {
    grid-column: auto;
    display: flex;
  }

  .product-card-featured .product-image {
    min-height: 260px;
  }

  .product-card-featured .product-body {
    padding: 24px;
  }

  .gallery-item {
    flex-basis: calc((100% - 36px) / 3);
  }

  .dialog-prev {
    left: 12px;
  }

  .dialog-next {
    right: 12px;
  }

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

  .solution-list article:nth-child(2) {
    border-right: 1px solid rgba(255, 255, 255, 0.18);
  }

  .solution-list article:nth-child(3) {
    border-left: 1px solid rgba(255, 255, 255, 0.18);
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .solution-list article:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .about-band {
    grid-template-columns: 0.8fr 1.2fr;
  }

  .contact-section {
    gap: 44px;
  }
}

@media (max-width: 860px) {
  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 32px;
  }

  .site-header {
    grid-template-columns: 1fr auto auto;
    min-height: 68px;
  }

  .top-nav {
    display: none;
  }

  .header-call span {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    display: grid;
    width: 42px;
    height: 42px;
    place-content: center;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 4px;
    cursor: pointer;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu summary span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
  }

  .mobile-menu nav {
    position: absolute;
    top: 50px;
    right: 0;
    display: grid;
    width: 220px;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 4px;
    box-shadow: var(--shadow);
  }

  .mobile-menu nav a {
    padding: 11px 12px;
    border-bottom: 1px solid #edf0ee;
  }

  .mobile-menu nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: calc(100svh - 112px);
  }

  .hero-slide {
    object-position: 58% center;
  }

  .hero-inner {
    padding-top: 64px;
    padding-bottom: 64px;
  }

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

  .proof-item:nth-child(3) {
    border-left: 1px solid var(--line);
    border-top: 1px solid var(--line);
  }

  .proof-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .section,
  .solutions-band,
  .contact-section,
  .search-guides {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .section-heading,
  .faq-layout,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading > p {
    max-width: 680px;
    justify-self: start;
  }

  .topic-directory-group {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .topic-directory-label {
    padding-top: 0;
  }

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

  .product-filters {
    justify-content: flex-start;
  }

  .gallery-item {
    flex-basis: calc((100% - 18px) / 2);
  }

  .dialog-content {
    grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  }

  .dialog-copy {
    padding: 42px 32px;
  }

  .process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 18px;
  }

  .process li:nth-child(2)::after,
  .process li:last-child::after {
    display: none;
  }

  .about-band {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .about-visual {
    min-height: 390px;
  }

  .about-copy {
    padding: 68px 24px;
  }

  .faq-layout {
    gap: 20px;
  }

  .faq-intro {
    max-width: none;
  }

  .contact-section {
    gap: 42px;
  }

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

@media (max-width: 620px) {
  body {
    padding-bottom: 58px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 28px;
  }

  h3 {
    font-size: 19px;
  }

  .site-header {
    gap: 10px;
    min-height: 62px;
    padding: 8px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    width: 92px;
    height: 34px;
  }

  .header-call {
    padding: 8px 9px;
    background: var(--surface-soft);
    border-radius: 3px;
  }

  .header-call strong {
    font-size: 13px;
  }

  .mobile-menu summary {
    width: 38px;
    height: 38px;
  }

  .hero {
    align-items: flex-end;
    min-height: calc(100svh - 96px);
    max-height: none;
  }

  .hero::before {
    background: linear-gradient(180deg, rgba(10, 20, 16, 0.12) 0%, rgba(10, 20, 16, 0.48) 38%, rgba(10, 20, 16, 0.96) 78%);
  }

  .hero-slide {
    object-position: 65% center;
  }

  .hero-inner {
    padding: 140px 16px 42px;
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-points {
    gap: 10px 16px;
    margin-top: 22px;
    font-size: 12px;
  }

  .hero-controls {
    top: 18px;
    right: 16px;
    bottom: auto;
  }

  .slide-arrow {
    width: 38px;
    height: 38px;
  }

  .slide-dots {
    height: 38px;
    padding: 0 9px;
  }

  .slide-dot {
    width: 14px;
  }

  .slide-dot.is-active {
    width: 26px;
  }

  .proof-strip {
    padding: 0;
  }

  .proof-item {
    padding: 18px 16px;
  }

  .proof-item strong {
    font-size: 15px;
  }

  .section,
  .solutions-band,
  .contact-section,
  .search-guides {
    padding: 58px 16px;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .topic-link-grid,
  .topic-link-grid-compact {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .guide-grid,
  .solution-list,
  .process,
  .contact-details,
  .form-row,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .product-showcase {
    margin-top: 54px;
    padding-top: 42px;
  }

  .product-showcase-head h3 {
    font-size: 24px;
  }

  .product-filters {
    width: 100%;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .product-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .product-rail-wrap {
    grid-template-columns: 38px minmax(0, 1fr) 38px;
    gap: 6px;
  }

  .rail-arrow {
    width: 38px;
    height: 38px;
  }

  .gallery-item {
    flex-basis: 84%;
  }

  .gallery-status {
    margin-left: 44px;
  }

  .product-dialog {
    width: calc(100% - 16px);
    max-height: calc(100vh - 16px);
    overflow-y: auto;
  }

  .dialog-content {
    grid-template-columns: 1fr;
  }

  .dialog-figure {
    min-height: 280px;
    padding: 20px;
  }

  .dialog-figure img {
    max-height: 320px;
  }

  .dialog-copy {
    padding: 28px 20px 24px;
  }

  .dialog-copy h3 {
    font-size: 25px;
  }

  .dialog-close {
    top: 10px;
    right: 10px;
  }

  .dialog-nav {
    top: 210px;
  }

  .product-card-featured .product-image,
  .product-image {
    min-height: 230px;
  }

  .product-body,
  .product-card-featured .product-body {
    padding: 22px;
  }

  .solution-list article,
  .solution-list article:nth-child(2),
  .solution-list article:nth-child(3),
  .solution-list article:nth-child(4) {
    border-top: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 1px solid rgba(255, 255, 255, 0.18);
  }

  .solution-list article:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .solution-list span {
    margin-bottom: 24px;
  }

  .process {
    gap: 0;
  }

  .process li {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 14px;
    padding: 0 0 26px;
  }

  .process li:not(:last-child)::after {
    top: 44px;
    right: auto;
    bottom: 0;
    left: 21px;
    width: 1px;
    height: auto;
  }

  .process li:nth-child(2)::after {
    display: block;
  }

  .process-number {
    margin: 0;
  }

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

  .about-copy {
    padding: 54px 16px;
  }

  .about-facts div {
    grid-template-columns: 82px 1fr;
  }

  .area-row span {
    flex-basis: 88px;
    min-width: 82px;
    padding: 11px 8px;
    font-size: 13px;
  }

  .faq-list summary {
    padding-right: 42px;
    font-size: 15px;
  }

  .faq-list details p {
    margin-right: 32px;
    font-size: 14px;
  }

  .contact-copy h2 br {
    display: none;
  }

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

  .inquiry-form {
    padding: 22px;
  }

  .site-footer {
    gap: 32px;
    padding: 46px 16px 72px;
  }

  .copyright {
    right: 16px;
    left: 16px;
  }

  .mobile-action-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 58px;
    background: var(--surface);
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 28px rgba(17, 34, 27, 0.12);
  }

  .mobile-action-bar a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
  }

  .mobile-action-bar a:last-child {
    background: var(--brand);
    color: var(--white);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .hero-slide {
    transform: none;
  }
}