:root {
  --ink: #0b0f13;
  --ink-soft: #29333c;
  --navy: #11161b;
  --navy-2: #191f26;
  --navy-3: #222b34;
  --accent: #0065ba;
  --accent-dark: #004f93;
  --accent-soft: #e7f2fb;
  --blue-bright: #65c1ff;
  --steel: #dde5ea;
  --steel-dark: #aebac2;
  --paper: #d7d7d7;
  --white: #ffffff;
  --muted: #697782;
  --line: #d9e1e6;
  --shadow: 0 24px 70px rgba(8, 12, 16, 0.13);
  --shadow-sm: 0 10px 30px rgba(8, 12, 16, 0.1);
  --radius: 20px;
  --radius-sm: 12px;
  --container: 1220px;
  --header-height: 78px;
  --font-sans: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC",
    "Source Han Sans SC", Arial, sans-serif;
  --font-display: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC",
    "Source Han Sans SC", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.nav-open,
body.search-open {
  overflow: hidden;
}

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

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

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

button {
  color: inherit;
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 999;
  padding: 10px 18px;
  color: #fff;
  background: var(--navy);
  border-radius: 8px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 98px 0;
}

.section-sm {
  padding: 70px 0;
}

.section-dark {
  color: var(--ink);
  background: #d7d7d7;
}

.section-soft {
  background: #d7d7d7;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 3px;
  content: "";
  background: var(--accent);
  border-radius: 999px;
}

.section-dark .eyebrow {
  color: var(--accent-dark);
}

.section-title {
  max-width: 780px;
  margin: 0;
  padding-left: 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--accent);
  border-left: 4px solid var(--accent);
}

.section-dark .section-title {
  color: var(--accent);
}

.section-lead {
  max-width: 730px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

.section-head .section-title {
  max-width: 720px;
}

.section-head .section-lead {
  margin-top: 14px;
}

.text-link {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 10px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 800;
}

.text-link span {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  transition: transform 0.2s ease, background 0.2s ease;
}

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

.section-dark .text-link {
  color: var(--accent);
}

.section-dark .text-link span {
  color: #fff;
  background: var(--accent);
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 12px 28px rgba(0, 104, 183, 0.28);
}

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

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

.btn-dark:hover {
  background: var(--accent-dark);
}

.btn-light {
  color: var(--accent);
  background: #fff;
}

.btn-outline {
  color: var(--accent);
  background: transparent;
  border-color: rgba(0, 101, 186, 0.45);
}

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

.btn-ghost-light {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(8px);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
}

.btn svg,
.text-link svg,
.icon-btn svg,
.search-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--ink);
  background: rgba(215, 215, 215, 0.97);
  border-bottom: 1px solid #b8c0c5;
  backdrop-filter: blur(16px);
}

.header-main {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  align-items: center;
  gap: 24px;
  min-height: 78px;
}

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

.brand-logo {
  width: 188px;
  height: 46px;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: left center;
  filter: saturate(1.16) brightness(1.12)
    drop-shadow(0 0 12px rgba(41, 150, 235, 0.28));
}

.brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

.brand-copy strong {
  overflow: hidden;
  font-family: var(--font-display);
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-copy small {
  color: #8b98a3;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-search {
  display: flex;
  width: min(380px, 36vw);
  min-height: 44px;
  align-items: stretch;
  overflow: hidden;
  background: #fff;
  border: 1px solid #b9c2c8;
  border-radius: 10px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.header-search {
  position: relative;
}

.header-search-toggle {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--accent);
  background: #fff;
  border: 1px solid #b9c2c8;
  border-radius: 50%;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.header-search-toggle:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.header-search-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.header-search-flyout {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 120;
  width: min(520px, calc(100vw - 32px));
  padding: 10px;
  background: #fff;
  border: 1px solid #b9c2c8;
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.3);
}

.header-search-flyout .site-search {
  width: 100%;
}

.site-search-mobile {
  display: none;
}

.site-search:focus-within {
  background: #fff;
  border-color: rgba(101, 193, 255, 0.8);
  box-shadow: 0 0 0 4px rgba(0, 104, 183, 0.18);
}

.search-category {
  width: 112px;
  padding: 0 10px 0 14px;
  color: #29353e;
  background: transparent;
  border: 0;
  border-right: 1px solid #d0d6da;
  outline: 0;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.search-category option {
  color: var(--ink);
  background: #fff;
}

.search-input {
  min-width: 0;
  flex: 1;
  padding: 0 12px;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--ink);
  font-size: 13px;
}

.search-input::placeholder {
  color: #7f8d97;
}

.search-btn {
  display: grid;
  width: 48px;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border: 0;
  cursor: pointer;
  transition: background 0.2s ease;
}

.search-btn:hover {
  background: #0084e3;
}

.nav-row {
  display: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav a {
  position: relative;
  display: inline-flex;
  height: 78px;
  align-items: center;
  padding: 0 14px;
  color: #33414a;
  font-size: 13px;
  font-weight: 800;
  transition: color 0.2s ease;
}

.main-nav a::after {
  position: absolute;
  right: 18px;
  bottom: 0;
  left: 18px;
  height: 3px;
  content: "";
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--accent);
}

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

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  background: #fff;
  border: 1px solid #b9c2c8;
  border-radius: 8px;
}

.language-switch button {
  display: grid;
  width: 38px;
  height: 29px;
  padding: 0;
  place-items: center;
  color: #53616b;
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  color: #fff;
  background: var(--accent);
}

.lang-flag {
  display: block;
  width: 22px;
  height: 14px;
  overflow: hidden;
  border-radius: 1px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.lang-flag svg {
  display: block;
  width: 100%;
  height: 100%;
}

.language-switch-mobile {
  display: none;
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 0;
  border-radius: 9px;
  cursor: pointer;
}

.mobile-menu-btn span {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--accent);
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  content: "";
  background: var(--accent);
  transition: transform 0.2s ease, top 0.2s ease;
}

.mobile-menu-btn span::before {
  top: -6px;
}

.mobile-menu-btn span::after {
  top: 6px;
}

.nav-open .mobile-menu-btn span {
  background: transparent;
}

.nav-open .mobile-menu-btn span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-open .mobile-menu-btn span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  padding: 96px 24px 24px;
  place-items: start center;
  background: rgba(5, 8, 10, 0.78);
  backdrop-filter: blur(8px);
}

.search-panel {
  width: min(880px, 100%);
  max-height: min(76vh, 760px);
  overflow: auto;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.3);
}

.search-panel-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.search-panel-head h2 {
  margin: 0;
  font-size: 20px;
}

.search-panel-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.icon-btn {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--accent);
  background: #eef3f5;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

.icon-btn:hover {
  color: #fff;
  background: var(--accent);
}

.search-results {
  padding: 12px 24px 28px;
}

.search-meta {
  padding: 12px 0;
  color: var(--muted);
  font-size: 13px;
}

.search-result {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid #edf1f3;
}

.search-result:last-child {
  border-bottom: 0;
}

.search-result-type {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  justify-content: center;
  padding: 0 9px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.search-result h3 {
  margin: 0 0 3px;
  font-size: 15px;
}

.search-result p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.search-result-arrow {
  color: var(--accent);
  font-size: 20px;
}

.search-empty {
  padding: 56px 20px;
  color: var(--muted);
  text-align: center;
}

.search-empty strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 19px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(
      90deg,
      rgba(8, 10, 12, 0.97) 0%,
      rgba(10, 13, 16, 0.86) 42%,
      rgba(9, 12, 15, 0.25) 76%,
      rgba(8, 11, 14, 0.46) 100%
    ),
    linear-gradient(0deg, rgba(5, 8, 10, 0.58), transparent 48%);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, #000, transparent 74%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 720px;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: end;
  gap: 56px;
  padding: 90px 0 74px;
}

.hero-copy {
  max-width: 780px;
  padding-bottom: 8px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: #8ed3ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.hero-kicker::before {
  width: 34px;
  height: 2px;
  content: "";
  background: var(--accent);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 78px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

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

.hero-copy > p {
  max-width: 660px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-stats {
  align-self: end;
  overflow: hidden;
  background: rgba(5, 8, 11, 0.56);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  backdrop-filter: blur(14px);
}

.hero-stat {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-stat:last-child {
  border-bottom: 0;
}

.hero-stat strong {
  color: #8ed3ff;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1;
}

.hero-stat span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.hero-stat small {
  display: block;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

/* Capability strip */
.capability-strip {
  position: relative;
  z-index: 3;
  margin-top: -1px;
  background: #14191e;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.capability-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 28px 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.capability-item:last-child {
  border-right: 0;
}

.capability-index {
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.capability-item h3 {
  margin: 0;
  color: #fff;
  font-size: 16px;
  line-height: 1.4;
}

.capability-item p {
  margin: 6px 0 0;
  color: #98a5af;
  font-size: 12px;
  line-height: 1.6;
}

/* About preview */
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 72px;
}

.split-media {
  position: relative;
}

.split-media-main {
  width: 100%;
  aspect-ratio: 4 / 3.25;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.split-media::before {
  position: absolute;
  top: -22px;
  left: -22px;
  width: 46%;
  height: 46%;
  content: "";
  border-top: 3px solid var(--accent);
  border-left: 3px solid var(--accent);
  border-radius: 18px 0 0 0;
}

.media-badge {
  position: absolute;
  right: -18px;
  bottom: 28px;
  display: flex;
  width: 160px;
  min-height: 124px;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  color: #fff;
  background: var(--accent);
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(0, 104, 183, 0.3);
}

.media-badge strong {
  font-size: 34px;
  line-height: 1;
}

.media-badge span {
  margin-top: 8px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.split-copy .section-title {
  max-width: 620px;
}

.split-copy > p {
  margin: 22px 0 0;
  color: var(--muted);
  line-height: 1.95;
}

.feature-list {
  display: grid;
  margin: 30px 0 0;
  padding: 0;
  gap: 14px;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.feature-list li::before {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--accent-dark);
  content: "✓";
  background: var(--accent-soft);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* Product preview and cards */
.product-intro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.product-system-card {
  position: relative;
  display: grid;
  min-height: 380px;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
  border-radius: var(--radius);
}

.product-system-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.48;
  transition: transform 0.55s ease, opacity 0.3s ease;
}

.product-system-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(
    0deg,
    rgba(8, 10, 12, 0.96) 2%,
    rgba(9, 12, 15, 0.52) 56%,
    rgba(8, 10, 12, 0.1) 100%
  );
}

.product-system-card:hover img {
  opacity: 0.6;
  transform: scale(1.04);
}

.product-system-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-self: end;
  flex-direction: column;
  padding: 30px;
}

.product-system-content span {
  color: #8ed3ff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.product-system-content h3 {
  margin: 8px 0 0;
  font-size: 28px;
}

.product-system-content p {
  max-width: 420px;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  line-height: 1.7;
}

.product-system-content .text-link {
  margin-top: 20px;
  color: #fff;
}

.subcategory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.subcategory-card {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #171c22;
  border: 1px solid #2b333b;
  border-radius: var(--radius-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.subcategory-card:hover {
  border-color: rgba(0, 104, 183, 0.52);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.subcategory-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: #edf2f5;
}

.subcategory-card-body {
  padding: 18px 20px 20px;
}

.subcategory-card small {
  color: #8ed3ff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.subcategory-card h3 {
  margin: 5px 0 0;
  color: #fff;
  font-size: 18px;
}

.subcategory-card p {
  display: -webkit-box;
  overflow: hidden;
  margin: 8px 0 0;
  color: #aeb9c2;
  font-size: 12px;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

/* Project cards */
.project-category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.project-category-card {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 24px;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 16px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.project-category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.44;
  transition: transform 0.5s ease, opacity 0.25s ease;
}

.project-category-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(
    0deg,
    rgba(0, 49, 92, 0.92),
    rgba(0, 62, 112, 0.25)
  );
}

.project-category-card:hover img {
  opacity: 0.62;
  transform: scale(1.05);
}

.project-category-index,
.project-category-content {
  position: relative;
  z-index: 2;
}

.project-category-index {
  align-self: flex-start;
  padding: 5px 9px;
  color: #fff;
  background: rgba(0, 101, 186, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.project-category-content h3 {
  margin: 0;
  font-size: 23px;
}

.project-category-content p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.project-card {
  overflow: hidden;
  color: #0a3558;
  background: #fff;
  border: 1px solid #bdcbd6;
  border-radius: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.project-card-media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1.48;
  overflow: hidden;
  background: #dce5e9;
  border: 0;
  cursor: zoom-in;
}

.project-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card-media img {
  transform: scale(1.045);
}

.project-card-media::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  content: "+";
  background: rgba(0, 101, 186, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  font-size: 20px;
  backdrop-filter: blur(8px);
}

.project-card-body {
  padding: 18px 20px 20px;
  background: rgba(0, 101, 186, 0.4);
}

.project-card-tag {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 0 9px;
  color: var(--accent);
  background: #fff;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
}

.project-card h3 {
  display: -webkit-box;
  min-height: 50px;
  overflow: hidden;
  margin: 11px 0 6px;
  font-size: 16px;
  color: #093b64;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.project-card p {
  margin: 0;
  color: #315773;
  font-size: 12px;
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 48px;
}

.process-step {
  position: relative;
  padding: 0 30px 0 0;
}

.process-step:not(:last-child)::after {
  position: absolute;
  top: 25px;
  right: 10px;
  left: 64px;
  height: 1px;
  content: "";
  background: rgba(255, 255, 255, 0.22);
}

.process-number {
  position: relative;
  z-index: 1;
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}

.process-step h3 {
  margin: 20px 0 0;
  font-size: 17px;
}

.process-step p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.65;
}

.process-grid-light .process-number {
  color: #fff;
  background: var(--accent);
}

.process-grid-light .process-step:not(:last-child)::after {
  background: var(--line);
}

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

.standards-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.standards-strip span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 13px;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

/* CTA */
.cta-band {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background: #ececec;
}

.cta-band::before {
  position: absolute;
  top: -220px;
  right: -120px;
  width: 540px;
  height: 540px;
  content: "";
  background: radial-gradient(
    circle,
    rgba(0, 104, 183, 0.3),
    transparent 68%
  );
}

.cta-band::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.28) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, transparent, #000);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  padding: 68px 0;
}

.cta-inner h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--accent);
}

.cta-inner p {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--muted);
}

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

.cta-band .btn-ghost-light {
  color: var(--accent);
  background: transparent;
  border-color: var(--accent);
}

.cta-band .btn-ghost-light:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

/* Footer */
.site-footer {
  color: #55626b;
  background: #efefef;
  border-top: 1px solid #c1c8cd;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 0.55fr 1fr 1.05fr;
  gap: 48px;
  padding: 64px 0 48px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.footer-brand img {
  width: 150px;
  height: 40px;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: left center;
  filter: saturate(1.08) brightness(1.04);
}

.footer-brand strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
}

.footer-brand p {
  max-width: 350px;
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.8;
}

.footer-col h3 {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.footer-col a,
.footer-col p {
  display: block;
  margin: 0 0 9px;
  font-size: 12px;
  line-height: 1.65;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-contact strong {
  color: var(--ink);
  font-size: 14px;
}

.footer-inquiry form {
  display: grid;
  gap: 8px;
}

.footer-inquiry input,
.footer-inquiry textarea {
  width: 100%;
  min-height: 38px;
  padding: 0 11px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #c8cfd3;
  border-radius: 4px;
  outline: 0;
  font-size: 11px;
}

.footer-inquiry textarea {
  min-height: 58px;
  padding: 9px 11px;
  resize: vertical;
}

.footer-inquiry input::placeholder,
.footer-inquiry textarea::placeholder {
  color: #7f8d97;
}

.footer-inquiry input:focus,
.footer-inquiry textarea:focus {
  border-color: var(--accent);
}

.footer-inquiry button {
  min-height: 38px;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

.footer-inquiry button:hover {
  background: #0084e3;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 22px;
  border-top: 1px solid #c5ccd1;
  font-size: 11px;
}

/* Page hero */
.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background: #d7d7d7;
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.34) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.34) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.page-hero::after {
  position: absolute;
  top: -260px;
  right: -130px;
  width: 660px;
  height: 660px;
  content: "";
  background: radial-gradient(
    circle,
    rgba(0, 104, 183, 0.28),
    transparent 66%
  );
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
  padding: 86px 0 72px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 24px;
  color: #66747e;
  font-size: 11px;
  font-weight: 700;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span {
  color: #98a3aa;
}

.page-hero h1 {
  max-width: 850px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 66px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--accent);
}

.page-hero p {
  max-width: 700px;
  margin: 20px 0 0;
  color: #596872;
  font-size: 16px;
  line-height: 1.9;
}

.page-hero-stat {
  display: flex;
  min-width: 180px;
  flex-direction: column;
  align-items: flex-end;
  padding-bottom: 6px;
  text-align: right;
}

.page-hero-stat strong {
  color: var(--accent);
  font-size: 58px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.page-hero-stat span {
  margin-top: 7px;
  color: #6d7a83;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.filter-btn {
  min-height: 40px;
  padding: 0 16px;
  color: var(--accent);
  background: transparent;
  border: 1px solid rgba(0, 101, 186, 0.32);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease,
    border-color 0.2s ease;
}

.filter-btn:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.filter-btn[aria-pressed="true"] {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.filter-btn em {
  margin-left: 5px;
  font-size: 10px;
  font-style: normal;
  opacity: 0.55;
}

.filter-summary {
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  padding: 80px 24px;
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 20px;
}

/* Products page */
.product-overview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.product-overview-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 280px;
  overflow: hidden;
  color: #fff;
  background: var(--accent);
  border-radius: var(--radius);
}

.product-overview-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-overview-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
}

.product-overview-body small {
  color: #8ed3ff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.product-overview-body h2 {
  margin: 7px 0 0;
  font-size: 26px;
}

.product-overview-body p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  line-height: 1.7;
}

.product-group {
  margin-top: 64px;
}

.product-group:first-child {
  margin-top: 0;
}

.product-group-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.product-group-head h2 {
  margin: 0;
  padding-left: 14px;
  color: var(--accent);
  font-size: 30px;
  border-left: 3px solid var(--accent);
}

.product-group-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.product-category-block {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.product-category-block + .product-category-block {
  margin-top: 18px;
}

.product-category-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 22px;
}

.product-category-head h3 {
  margin: 0;
  padding-left: 12px;
  color: var(--accent);
  font-size: 23px;
  border-left: 3px solid var(--accent);
}

.product-category-head p {
  max-width: 670px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.product-count {
  flex: 0 0 auto;
  padding: 5px 10px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.product-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.18;
  padding: 0;
  background: #edf2f5;
  border: 0;
  border-radius: 10px;
  cursor: zoom-in;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-thumb.is-diagram img {
  padding: 9px;
  object-fit: contain;
  background: #f6f9fa;
}

.product-thumb:hover img {
  transform: scale(1.05);
}

.product-thumb span {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: #fff;
  background: rgba(0, 101, 186, 0.9);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
  backdrop-filter: blur(6px);
}

.component-grid,
.standard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.component-card,
.standard-card {
  padding: 24px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.component-card span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
}

.component-card h3 {
  margin: 8px 0 0;
  font-size: 17px;
}

.component-card p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

/* Projects page */
.project-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 54px;
}

.project-stat-card {
  padding: 25px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.project-stat-card strong {
  display: block;
  color: var(--accent);
  font-size: 34px;
  line-height: 1;
}

.project-stat-card span {
  display: block;
  margin-top: 9px;
  color: var(--accent);
  font-size: 12px;
}

.project-results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 34px 0 22px;
}

.project-results-head h2 {
  margin: 0;
  color: var(--accent);
  font-size: 26px;
}

.project-results-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* About page */
.anchor-nav {
  position: sticky;
  top: 78px;
  z-index: 50;
  background: rgba(246, 248, 250, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.anchor-nav-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-nav-inner::-webkit-scrollbar {
  display: none;
}

.anchor-nav a {
  display: inline-flex;
  height: 52px;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  border-bottom: 2px solid transparent;
}

.anchor-nav a:hover,
.anchor-nav a.active {
  color: var(--navy);
  border-bottom-color: var(--accent);
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 54px;
  align-items: start;
}

.rich-copy > p {
  margin: 0 0 18px;
  color: #3e5865;
  font-size: 16px;
  line-height: 2;
}

.rich-copy > p:first-child {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.85;
}

.company-facts {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.company-fact {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 17px 20px;
  background: #fff;
}

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

.company-fact strong {
  font-size: 13px;
  line-height: 1.65;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.brochure-index {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-top: 48px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.brochure-index a {
  display: flex;
  min-height: 74px;
  align-items: center;
  gap: 9px;
  padding: 12px 14px;
  color: var(--ink-soft);
  background: #fff;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.45;
  transition: color 0.2s ease, background 0.2s ease;
}

.brochure-index a:hover {
  color: #fff;
  background: var(--navy);
}

.brochure-index a span {
  color: var(--accent-dark);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.brochure-index a:hover span {
  color: #8ed3ff;
}

.value-card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.value-card span {
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.value-card h3 {
  margin: 8px 0 0;
  font-size: 17px;
}

.value-card p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.cert-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.cert-card button {
  display: block;
  width: 100%;
  padding: 0;
  background: #eef2f4;
  border: 0;
  cursor: zoom-in;
}

.cert-card img {
  width: 100%;
  height: 260px;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.4s ease;
}

.cert-card button:hover img {
  transform: scale(1.02);
}

.cert-card div {
  padding: 15px 18px 18px;
}

.cert-card h3 {
  margin: 0;
  font-size: 14px;
}

.cert-card p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.factory-item {
  position: relative;
  grid-column: span 4;
  overflow: hidden;
  aspect-ratio: 1.32;
  background: #e6edf0;
  border-radius: 12px;
}

.factory-item:nth-child(1),
.factory-item:nth-child(6) {
  grid-column: span 6;
  aspect-ratio: 1.7;
}

.factory-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.factory-item:hover img {
  transform: scale(1.04);
}

.factory-item span {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 5px 9px;
  color: #fff;
  background: rgba(8, 10, 12, 0.74);
  border-radius: 6px;
  font-size: 10px;
  font-weight: 800;
  backdrop-filter: blur(6px);
}

.article-block {
  max-width: 980px;
}

.article-block h2 {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.3;
}

.article-block h3 {
  margin: 32px 0 10px;
  font-size: 20px;
}

.article-block p {
  margin: 0 0 16px;
  color: #3e5865;
  line-height: 1.95;
}

.quote-block {
  position: relative;
  margin: 30px 0;
  padding: 28px 32px 28px 54px;
  color: var(--navy);
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 14px 14px 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.8;
}

.quote-block::before {
  position: absolute;
  top: 14px;
  left: 18px;
  color: rgba(0, 92, 161, 0.35);
  content: "“";
  font-family: Georgia, serif;
  font-size: 60px;
  line-height: 1;
}

.design-principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0;
}

.principle {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.principle strong {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-size: 12px;
}

.principle h3 {
  margin: 0;
  font-size: 15px;
}

.principle p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.scope-list li {
  position: relative;
  padding-left: 20px;
  color: #3e5865;
  font-size: 13px;
}

.scope-list li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--accent);
  border-radius: 50%;
}

.system-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.system-article-card {
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 14px;
}

.system-article-card > span {
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.system-article-card h3 {
  margin: 7px 0 10px;
  font-size: 22px;
}

.design-support-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.design-support-media img {
  width: 100%;
  aspect-ratio: 1 / 1.12;
  object-fit: cover;
  border: 1px solid var(--line);
}

.design-support-media img:first-child {
  margin-top: 34px;
}

.design-support-media img:last-child {
  margin-bottom: 34px;
}

.system-article-card p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.system-article-card p:last-child {
  margin-bottom: 0;
}

.standard-card {
  min-height: 190px;
}

.standard-card span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 0 8px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 6px;
  font-size: 10px;
  font-weight: 900;
}

.standard-card h3 {
  margin: 14px 0 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}

.standard-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.process-timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: 34px;
}

.process-timeline::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 25px;
  width: 1px;
  content: "";
  background: var(--line);
}

.timeline-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 22px;
  padding: 0 0 26px;
}

.timeline-step:last-child {
  padding-bottom: 0;
}

.timeline-step strong {
  position: relative;
  z-index: 1;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border: 5px solid var(--paper);
  border-radius: 50%;
  font-size: 11px;
}

.timeline-step h3 {
  margin: 9px 0 0;
  font-size: 17px;
}

.timeline-step p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.brochure-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  padding: 34px;
  color: #fff;
  background: var(--navy);
  border-radius: var(--radius);
}

.brochure-card h2 {
  margin: 0;
  font-size: 28px;
}

.brochure-card p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}

/* Contact */
.contact-hero-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.contact-person-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 24px;
  align-items: center;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-person-card .person-label {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
}

.contact-person-card h2 {
  margin: 11px 0 0;
  color: var(--accent);
  font-size: 29px;
}

.contact-person-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.contact-phone {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  color: var(--accent);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.contact-phone svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
}

.qr-box {
  text-align: center;
}

.qr-box img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.qr-box span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.address-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  margin-top: 22px;
  padding: 30px;
  background: var(--accent);
  border-radius: var(--radius);
  color: #fff;
}

.address-card small {
  color: #8ed3ff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.address-card h2 {
  margin: 8px 0 0;
  color: #fff;
  font-size: 27px;
}

.address-card p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.address-card .btn-primary {
  color: var(--accent);
  background: #fff;
  box-shadow: none;
}

.address-card .btn-primary:hover {
  color: #fff;
  background: var(--accent-dark);
}

.contact-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.contact-detail {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.contact-detail span {
  color: var(--muted);
  font-size: 11px;
}

.contact-detail strong {
  display: block;
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.65;
}

.contact-detail a {
  color: var(--accent-dark);
}

.map-panel {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  margin-top: 22px;
  background: #dfe8ec;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.map-panel::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: linear-gradient(
      0deg,
      rgba(10, 45, 67, 0.075) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(10, 45, 67, 0.075) 1px, transparent 1px);
  background-size: 42px 42px;
}

.map-panel::after {
  position: absolute;
  top: 46%;
  left: 50%;
  width: 26px;
  height: 26px;
  content: "";
  background: var(--accent);
  border: 6px solid #fff;
  border-radius: 50% 50% 50% 0;
  box-shadow: 0 10px 25px rgba(8, 12, 16, 0.24);
  transform: translate(-50%, -50%) rotate(-45deg);
}

.map-info {
  position: absolute;
  bottom: 24px;
  left: 24px;
  z-index: 2;
  max-width: 420px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.map-info strong {
  display: block;
  font-size: 14px;
}

.map-info p {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 11px;
}

/* Inquiry */
.inquiry-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(290px, 0.75fr);
  align-items: start;
  gap: 28px;
}

.form-card {
  padding: 36px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.form-card h2 {
  margin: 0;
  font-size: 28px;
}

.form-card > p {
  margin: 8px 0 28px;
  color: var(--muted);
  font-size: 13px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 7px;
}

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

.form-field label {
  color: #334e5c;
  font-size: 12px;
  font-weight: 800;
}

.form-field label em {
  color: var(--accent);
  font-style: normal;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  color: var(--ink);
  background: #f8fafb;
  border: 1px solid #d8e2e7;
  border-radius: 9px;
  outline: 0;
  font-size: 13px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease,
    background 0.2s ease;
}

.form-field textarea {
  min-height: 138px;
  padding: 13px 14px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 104, 183, 0.14);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.form-consent input {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  margin-top: 2px;
  accent-color: var(--accent);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}

.form-note {
  color: var(--muted);
  font-size: 11px;
}

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  color: #1f5b43;
  background: #e9f7f0;
  border: 1px solid #bfe5d3;
  border-radius: 9px;
  font-size: 12px;
}

.form-status.show {
  display: block;
}

.form-status.error {
  color: #8a2d1b;
  background: #fff1ed;
  border-color: #f3c6ba;
}

.inquiry-side {
  display: grid;
  gap: 18px;
}

.inquiry-help {
  padding: 28px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.inquiry-help h3 {
  margin: 0;
  color: var(--accent);
  font-size: 21px;
}

.inquiry-help p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.help-steps {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.help-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 11px;
  align-items: start;
}

.help-step strong {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-size: 10px;
}

.help-step span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.direct-contact {
  display: grid;
  gap: 10px;
}

.direct-contact a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 12px;
}

.direct-contact a strong {
  color: var(--accent);
  font-size: 14px;
}

.direct-contact a:hover {
  border-color: var(--accent);
}

.inquiry-success-panel {
  display: none;
  margin-top: 20px;
  padding: 22px;
  background: #f5f9fa;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.inquiry-success-panel.show {
  display: block;
}

.inquiry-success-panel h3 {
  margin: 0;
  font-size: 17px;
}

.inquiry-success-panel p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.inquiry-summary {
  margin: 14px 0;
  padding: 14px;
  color: var(--ink-soft);
  background: #fff;
  border: 1px dashed #cbd8de;
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.75;
  white-space: pre-wrap;
}

/* Lightbox */
.lightbox {
  width: min(1080px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  padding: 0;
  color: #fff;
  background: #080a0d;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5);
}

.lightbox::backdrop {
  background: rgba(2, 12, 18, 0.82);
  backdrop-filter: blur(8px);
}

.lightbox-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 18px 14px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-head h2 {
  margin: 0;
  font-size: 16px;
}

.lightbox-head p {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
}

.lightbox .icon-btn {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.lightbox-body {
  display: grid;
  max-height: calc(100vh - 130px);
  place-items: center;
  padding: 16px;
  overflow: auto;
}

.lightbox-body img {
  max-width: 100%;
  max-height: calc(100vh - 170px);
  object-fit: contain;
  border-radius: 8px;
}

/* Motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

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

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

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

/* Reference-style homepage */
.ref-home {
  background: #d7d7d7;
}

.ref-hero {
  position: relative;
  height: min(760px, calc(100vh - 130px));
  min-height: 620px;
  overflow: hidden;
  color: #fff;
  background: #9ca3a8;
}

.ref-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ref-hero-slide {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  opacity: 0;
  transform: scale(1.035);
  transition: opacity 1s ease, transform 6.5s ease;
}

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

.ref-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      90deg,
      rgba(8, 10, 12, 0.7) 0%,
      rgba(8, 10, 12, 0.36) 44%,
      rgba(8, 10, 12, 0.08) 76%,
      rgba(8, 10, 12, 0.3) 100%
    ),
    rgba(205, 205, 205, 0.6);
  backdrop-filter: blur(3px);
}

.ref-hero-band {
  position: absolute;
  right: 0;
  bottom: 12%;
  left: 0;
  height: 40%;
  background: rgba(255, 255, 255, 0.075);
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(1px);
}

.ref-hero-inner {
  position: relative;
  z-index: 2;
  height: 100%;
}

.ref-hero-slide-content {
  position: absolute;
  bottom: 104px;
  left: 0;
  max-width: 760px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease, visibility 0.7s;
}

.ref-hero-slide-content.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ref-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.ref-hero-kicker::before {
  width: 34px;
  height: 2px;
  content: "";
  background: var(--accent);
}

.ref-hero h1 {
  margin: 0;
  color: var(--accent);
  font-size: clamp(46px, 5.2vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-shadow: -1.5pt 2.598pt 5pt rgba(0, 0, 124, 0.19);
}

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

.ref-hero-slide-content p {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  line-height: 1.9;
}

.ref-outline-btn {
  display: inline-flex;
  min-width: 158px;
  height: 46px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.ref-outline-btn:hover {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.ref-hero-side {
  position: absolute;
  right: 0;
  bottom: 104px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.ref-hero-dots {
  display: flex;
  gap: 10px;
}

.ref-hero-dots button {
  width: 42px;
  height: 4px;
  padding: 0;
  background: rgba(255, 255, 255, 0.46);
  border: 0;
  cursor: pointer;
  transition: background 0.2s ease, width 0.2s ease;
}

.ref-hero-dots button.is-active {
  width: 58px;
  background: var(--accent);
}

.ref-facts {
  background: #d7d7d7;
  border-bottom: 1px solid #d1d5d8;
}

.ref-facts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.ref-facts-grid article {
  display: flex;
  min-height: 118px;
  align-items: center;
  gap: 16px;
  padding: 24px 32px;
  border-right: 1px solid #d0d5d8;
}

.ref-facts-grid article:last-child {
  border-right: 0;
}

.ref-facts-grid strong {
  color: var(--accent);
  font-size: 34px;
  line-height: 1;
}

.ref-facts-grid span {
  max-width: 120px;
  color: #4f5d67;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.55;
}

.ref-section {
  padding: 82px 0;
  background: #d7d7d7;
  border-bottom: 1px solid #d2d7da;
}

.ref-applications,
.ref-cases,
.ref-certifications {
  background: #d7d7d7;
}

.ref-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 20px;
  margin-bottom: 38px;
}

.ref-section-en {
  padding-bottom: 7px;
  color: #77858f;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.ref-title {
  position: relative;
  display: inline-block;
  margin: 0;
  padding: 7px 34px 8px 22px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.45);
  border-left: 12px solid var(--accent);
  font-size: 29px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.ref-title::after {
  position: absolute;
  top: 0;
  left: 100%;
  width: 0;
  height: 0;
  content: "";
  border-top: 28px solid transparent;
  border-bottom: 28px solid transparent;
  border-left: 16px solid rgba(255, 255, 255, 0.45);
}

.ref-heading-row {
  justify-content: space-between;
}

.ref-heading-row > div {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 20px;
}

.ref-heading-row > p {
  max-width: 420px;
  margin: 0 0 5px;
  color: #64727c;
  font-size: 13px;
  text-align: right;
}

.ref-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 58px;
  align-items: center;
}

.ref-intro-quote {
  position: relative;
  min-height: 280px;
  padding: 54px 42px 40px;
  overflow: hidden;
  color: #fff;
  background-image: url("../images/editorial/site-lifestyle-11.jpg");
  background-position: center;
  background-size: cover;
  border-bottom: 5px solid var(--accent);
}

.ref-intro-quote::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(95, 100, 104, 0.68);
  backdrop-filter: blur(3px);
}

.ref-intro-quote > span {
  position: absolute;
  top: 20px;
  left: 26px;
  color: rgba(142, 211, 255, 0.34);
  font-family: Georgia, serif;
  font-size: 90px;
  line-height: 1;
  z-index: 2;
}

.ref-intro-quote p {
  position: relative;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.75;
  z-index: 2;
}

.ref-intro-copy p {
  margin: 0 0 18px;
  color: #4c5962;
  font-size: 15px;
  line-height: 1.95;
}

.ref-text-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
}

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

.ref-app-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #d8dde0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.ref-app-card:hover {
  box-shadow: 0 18px 38px rgba(10, 15, 20, 0.12);
  transform: translateY(-4px);
}

.ref-app-media {
  aspect-ratio: 1.5;
  overflow: hidden;
}

.ref-app-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ref-app-card:hover img {
  transform: scale(1.045);
}

.ref-app-body {
  min-height: 170px;
  padding: 22px 22px 24px;
}

.ref-app-body > span {
  color: var(--accent-dark);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.ref-app-body h3 {
  margin: 7px 0 0;
  font-size: 20px;
}

.ref-app-body p {
  margin: 9px 0 0;
  color: #697680;
  font-size: 12px;
  line-height: 1.75;
}

.ref-product-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.ref-product-card {
  display: block;
  background: #fff;
  border: 1px solid #d5dade;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.ref-product-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.ref-product-card img {
  width: 100%;
  aspect-ratio: 1.18;
  object-fit: cover;
  background: #f6f8f9;
}

.ref-product-card h3 {
  margin: 0;
  padding: 12px 10px;
  color: #fff;
  background: #4b5158;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  transition: background 0.2s ease;
}

.ref-product-card:hover h3 {
  background: var(--accent);
}

.ref-center-action {
  margin-top: 34px;
  text-align: center;
}

.ref-gray-btn {
  display: inline-flex;
  min-width: 150px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: #4b5560;
  background: #d6d9dc;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 800;
  transition: color 0.2s ease, background 0.2s ease;
}

.ref-gray-btn:hover {
  color: #fff;
  background: var(--accent);
}

.ref-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ref-case-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1.35;
  background: #1a1f24;
}

.ref-case-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease, opacity 0.3s ease;
}

.ref-case-card:hover > img {
  opacity: 0.82;
  transform: scale(1.045);
}

.ref-case-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 18px 22px;
  color: #fff;
  background: rgba(0, 101, 186, 0.94);
  border-bottom: 4px solid #fff;
}

.ref-case-caption span {
  color: #e6f5ff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.ref-case-caption h3 {
  margin: 3px 0 3px;
  font-size: 17px;
  font-weight: 700;
}

.ref-case-caption em {
  color: rgba(255, 255, 255, 0.78);
  font-size: 10px;
  font-style: normal;
}

.ref-service {
  padding: 0;
  background: #d7d7d7;
}

.ref-service-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  min-height: 420px;
}

.ref-service-copy {
  align-self: center;
  padding: 62px 70px 62px 0;
}

.ref-service-copy > p {
  max-width: 580px;
  margin: 24px 0 0;
  color: #4d5a63;
  font-size: 15px;
  line-height: 1.95;
}

.ref-service-copy ul {
  display: grid;
  gap: 9px;
  margin: 22px 0 28px;
  padding: 0;
  list-style: none;
}

.ref-service-copy li {
  position: relative;
  padding-left: 18px;
  color: #3e4b54;
  font-size: 13px;
}

.ref-service-copy li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--accent);
}

.ref-blue-btn,
.ref-outline-dark-btn {
  display: inline-flex;
  min-width: 132px;
  height: 43px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-size: 12px;
  font-weight: 800;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.ref-blue-btn {
  color: #fff;
  background: var(--accent);
}

.ref-blue-btn:hover {
  background: #0084e3;
}

.ref-outline-dark-btn {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
}

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

.ref-service-media {
  min-height: 420px;
  overflow: hidden;
}

.ref-service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ref-cert-row {
  display: grid;
  grid-template-columns: 180px 260px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  padding: 34px 0;
  border-top: 4px solid #d0d5d8;
}

.ref-cert-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.ref-cert-label span {
  color: var(--accent-dark);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.ref-cert-label h2 {
  margin: 6px 0 0;
  color: var(--accent);
  font-size: 23px;
}

.ref-cert-item,
.ref-test-item {
  padding: 0;
  background: #f2f4f5;
  border: 1px solid #d7dcdf;
  cursor: zoom-in;
}

.ref-cert-item img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.ref-cert-desc h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}

.ref-cert-desc p {
  margin: 7px 0 0;
  color: #6a7780;
  font-size: 12px;
}

.ref-test-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.ref-test-item {
  overflow: hidden;
  height: 150px;
}

.ref-test-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.3s ease;
}

.ref-test-item:hover img {
  transform: scale(1.025);
}

.ref-contact-band {
  color: var(--ink);
  background: #efefef;
}

.ref-contact-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 60px 0;
}

.ref-contact-band h2 {
  margin: 8px 0 0;
  color: var(--accent);
  font-size: 34px;
}

.ref-contact-band p {
  max-width: 720px;
  margin: 10px 0 0;
  color: #5f6c75;
  font-size: 13px;
}

.ref-contact-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

/* Tablet */
@media (max-width: 1100px) {
  :root {
    --header-height: 78px;
  }

  .header-main {
    grid-template-columns: minmax(240px, 1fr) auto;
  }

  .header-tools {
    gap: 8px;
  }

  .main-nav a {
    padding: 0 8px;
    font-size: 12px;
  }

  .site-search {
    width: auto;
    flex: 1;
  }

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

  .capability-item:nth-child(2) {
    border-right: 0;
  }

  .capability-item:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

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

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

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

  .component-grid,
  .standard-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .contact-person-card {
    max-width: 720px;
  }

  .footer-main {
    grid-template-columns: 1.2fr 0.8fr 1fr;
  }

  .footer-col:last-child {
    grid-column: 2 / -1;
  }
}

/* Mobile */
@media (max-width: 820px) {
  :root {
    --header-height: 78px;
  }

  html {
    scroll-padding-top: 90px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 70px 0;
  }

  .section-sm {
    padding: 52px 0;
  }

  .section-head {
    display: block;
    margin-bottom: 30px;
  }

  .section-head .text-link {
    margin-top: 20px;
  }

  .header-main {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    min-height: 74px;
  }

  .brand {
    gap: 9px;
  }

  .brand-logo {
    width: 132px;
    height: 34px;
  }

  .brand-copy strong {
    font-size: 13px;
    white-space: normal;
  }

  .brand-copy small {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .header-tools {
    display: none;
  }

  .nav-row {
    position: fixed;
    top: 78px;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 90;
    display: none;
    overflow: auto;
    padding: 16px;
    background: #d7d7d7;
  }

  .nav-open .nav-row {
    display: block;
  }

  .main-nav {
    display: grid;
    gap: 0;
  }

  .main-nav a {
    height: 54px;
    padding: 0 10px;
    color: #26323b;
    border-bottom: 1px solid #bfc6cb;
  }

  .main-nav a::after {
    top: 17px;
    right: auto;
    bottom: auto;
    left: 0;
    width: 3px;
    height: 20px;
    transform: scaleY(0.45);
  }

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

  .site-search-mobile {
    display: flex;
    width: 100%;
    margin-bottom: 16px;
  }

  .language-switch-mobile {
    display: inline-flex;
    margin: 0 0 16px auto;
  }

  .search-overlay {
    padding: 20px 12px;
  }

  .search-panel {
    max-height: calc(100vh - 40px);
  }

  .search-result {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
  }

  .search-result-arrow {
    display: none;
  }

  .hero-inner {
    min-height: 650px;
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 70px 0 44px;
  }

  .hero h1 {
    font-size: clamp(43px, 12vw, 62px);
  }

  .hero-copy > p {
    font-size: 15px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-stat {
    display: block;
    padding: 15px 14px;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 0;
  }

  .hero-stat:last-child {
    border-right: 0;
  }

  .hero-stat strong {
    font-size: 25px;
  }

  .hero-stat span {
    font-size: 9px;
  }

  .hero-stat small {
    display: none;
  }

  .split-layout,
  .profile-grid,
  .inquiry-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .media-badge {
    right: 14px;
    bottom: 14px;
    width: 132px;
    min-height: 100px;
  }

  .product-intro-grid,
  .subcategory-grid,
  .project-category-grid,
  .project-grid,
  .values-grid,
  .design-principles,
  .contact-detail-grid,
  .project-stats,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .product-system-card {
    min-height: 300px;
  }

  .project-category-card {
    min-height: 180px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 30px;
  }

  .process-step {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 16px;
    padding: 0;
  }

  .process-step:not(:last-child)::after {
    top: 54px;
    bottom: -24px;
    left: 25px;
    width: 1px;
    height: auto;
  }

  .process-step h3 {
    margin: 5px 0 0;
  }

  .process-step p {
    grid-column: 2;
    margin-top: -5px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 54px 0;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 48px 0 34px;
  }

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

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    display: block;
    line-height: 1.8;
  }

  .footer-bottom span {
    display: block;
  }

  .page-hero-inner {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 64px 0 52px;
  }

  .page-hero-stat {
    align-items: flex-start;
    text-align: left;
  }

  .page-hero-stat strong {
    font-size: 42px;
  }

  .filter-summary {
    width: 100%;
    margin: 8px 0 0;
  }

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

  .product-overview-card img {
    height: 220px;
  }

  .product-category-head,
  .product-group-head {
    display: block;
  }

  .product-count {
    display: inline-flex;
    margin-top: 10px;
  }

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

  .component-grid,
  .standard-grid,
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .brochure-index {
    grid-template-columns: repeat(3, 1fr);
  }

  .system-article-grid {
    grid-template-columns: 1fr;
  }

  .factory-item,
  .factory-item:nth-child(1),
  .factory-item:nth-child(6) {
    grid-column: span 6;
    aspect-ratio: 1.3;
  }

  .anchor-nav {
    top: 78px;
  }

  .scope-list {
    grid-template-columns: 1fr;
  }

  .brochure-card,
  .address-card {
    grid-template-columns: 1fr;
  }

  .contact-person-card {
    grid-template-columns: 1fr;
  }

  .qr-box {
    text-align: left;
  }

  .map-info {
    right: 16px;
    bottom: 16px;
    left: 16px;
  }

  .form-card {
    padding: 24px 20px;
  }
}

@media (max-width: 520px) {
  .section-title {
    font-size: 32px;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .hero-stat {
    display: flex;
    align-items: baseline;
    gap: 9px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-stat:last-child {
    border-bottom: 0;
  }

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

  .capability-item {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .capability-item:last-child {
    border-bottom: 0;
  }

  .product-gallery,
  .component-grid,
  .standard-grid,
  .cert-grid,
  .brochure-index,
  .factory-item,
  .factory-item:nth-child(1),
  .factory-item:nth-child(6) {
    grid-template-columns: 1fr;
  }

  .factory-item,
  .factory-item:nth-child(1),
  .factory-item:nth-child(6) {
    grid-column: 1 / -1;
  }

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

  .footer-brand,
  .footer-col:last-child {
    grid-column: 1;
  }

  .search-result {
    grid-template-columns: 1fr;
  }

  .search-result-type {
    justify-self: start;
  }

  .contact-phone {
    font-size: 19px;
  }

  .design-support-media {
    grid-template-columns: 1fr;
  }

  .design-support-media img:first-child {
    margin-top: 0;
  }

  .design-support-media img:last-child {
    margin-bottom: 0;
  }
}

@media (max-width: 1100px) {
  .ref-facts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ref-facts-grid article:nth-child(2) {
    border-right: 0;
  }

  .ref-facts-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid #d0d5d8;
  }

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

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

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

  .ref-service-copy {
    padding-right: 40px;
  }

  .ref-cert-row {
    grid-template-columns: 160px 230px minmax(0, 1fr);
    gap: 24px;
  }

  .ref-test-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 820px) {
  .ref-hero {
    height: 640px;
    min-height: 640px;
  }

  .ref-hero-band {
    bottom: 10%;
    height: 46%;
  }

  .ref-hero-slide-content {
    right: 0;
    bottom: 82px;
    max-width: 100%;
  }

  .ref-hero h1 {
    font-size: clamp(40px, 10vw, 56px);
  }

  .ref-hero-slide-content p {
    font-size: 14px;
    line-height: 1.8;
  }

  .ref-hero-side {
    right: auto;
    bottom: 34px;
    left: 0;
  }

  .ref-section {
    padding: 60px 0;
  }

  .ref-section-en {
    display: block;
    padding-bottom: 8px;
  }

  .ref-section-heading,
  .ref-heading-row > div {
    display: block;
  }

  .ref-title {
    margin-top: 7px;
    font-size: 26px;
  }

  .ref-heading-row > p {
    margin-top: 22px;
    text-align: left;
  }

  .ref-intro-grid,
  .ref-service-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .ref-intro-quote {
    min-height: 250px;
    padding: 46px 30px 34px;
  }

  .ref-intro-quote p {
    font-size: 20px;
  }

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

  .ref-case-grid {
    grid-template-columns: 1fr;
  }

  .ref-service-copy {
    padding: 52px 0 0;
  }

  .ref-service-media {
    min-height: 320px;
  }

  .ref-cert-row {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 30px 0;
  }

  .ref-cert-item {
    max-width: 300px;
  }

  .ref-test-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ref-contact-band-inner {
    display: block;
    padding: 52px 0;
  }

  .ref-contact-actions {
    margin-top: 24px;
  }
}

@media (max-width: 520px) {
  .ref-hero {
    height: 620px;
    min-height: 620px;
  }

  .ref-hero-slide-content {
    bottom: 76px;
  }

  .ref-hero h1 {
    font-size: 38px;
  }

  .ref-facts-grid,
  .ref-app-grid,
  .ref-product-grid,
  .ref-test-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ref-facts-grid article {
    padding: 20px 18px;
  }

  .ref-facts-grid strong {
    font-size: 28px;
  }

  .ref-app-body {
    min-height: 0;
    padding: 18px;
  }

  .ref-app-body h3 {
    font-size: 17px;
  }

  .ref-test-item {
    height: 120px;
  }

  .ref-contact-actions {
    display: grid;
  }
}