:root {
  --primary: #0b234a;
  --primary-2: #102a56;
  --gold: #c99a5b;
  --light-bg: #f7f9fc;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #dbe3ef;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(11, 35, 74, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, Arial, "Noto Sans", "Noto Sans CJK SC", "Noto Sans JP", "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.65;
  background: var(--white);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--primary);
}

.site-logo {
  height: 62px;
  width: auto;
  max-width: 360px;
  display: block;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: #253449;
}

.nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 800;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.lang-switcher a {
  padding: 4px 0;
}

.lang-switcher a[aria-current="true"] {
  color: var(--gold);
  font-weight: 800;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--primary);
  border-radius: 6px;
  font-size: 23px;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(11, 35, 74, 0.95), rgba(11, 35, 74, 0.72)),
    url("/assets/images/hero-factory.png") center/cover no-repeat,
    linear-gradient(135deg, #0b234a, #35557e);
  color: var(--white);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: 48px;
  min-height: 650px;
  padding: 78px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  font-size: 13px;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-lead {
  margin: 24px 0 10px;
  max-width: 720px;
  font-size: clamp(18px, 2.2vw, 24px);
  color: rgba(255, 255, 255, 0.92);
}

.hero-tagline {
  margin: 0 0 32px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--gold);
  color: #172033;
}

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

.button-ghost {
  border-color: rgba(255, 255, 255, 0.38);
  color: var(--white);
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  padding: 26px;
  border-radius: 8px;
}

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

.metric {
  padding: 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.metric strong {
  display: block;
  font-size: 28px;
  line-height: 1.1;
  color: var(--white);
}

.metric span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.section {
  padding: 82px 0;
}

.section-alt {
  background: var(--light-bg);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.section-title {
  margin: 0;
  color: var(--primary);
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-copy {
  margin: 12px 0 0;
  max-width: 720px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
}

.card-body {
  padding: 24px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--primary);
  font-size: 20px;
  line-height: 1.3;
}

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

.image-fallback,
.card-image {
  min-height: 178px;
  display: grid;
  place-items: center;
  padding: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(11, 35, 74, 0.94), rgba(201, 154, 91, 0.72)),
    linear-gradient(135deg, #0b234a, #c99a5b);
}

.product-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 16px;
  background: linear-gradient(135deg, #f7f9fc, #eef2f7);
}

.product-image img,
.wide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.wide-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 18px;
  background: linear-gradient(135deg, #f7f9fc, #eef2f7);
}

.image-card,
.product-card {
  box-shadow: var(--shadow);
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card .card-body {
  flex: 1;
}

.contact-page-image {
  margin-bottom: 24px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 42px;
  align-items: center;
}

.fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  border-left: 3px solid var(--gold);
  background: var(--light-bg);
  padding: 14px 16px;
  color: var(--primary);
  font-weight: 700;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.logo-wall span {
  display: grid;
  min-height: 74px;
  place-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: #526174;
  font-weight: 900;
  text-align: center;
  filter: grayscale(1);
}

.note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.process {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  counter-reset: step;
}

.process-step {
  position: relative;
  min-height: 118px;
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-weight: 900;
}

.page-hero {
  padding: 82px 0 58px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(11, 35, 74, 0.97), rgba(16, 42, 86, 0.86)),
    linear-gradient(135deg, #0b234a, #46658f);
}

.breadcrumb {
  margin: 0 0 12px;
  color: var(--gold);
  font-weight: 800;
}

.content-prose {
  max-width: 900px;
}

.content-prose h2 {
  margin: 36px 0 12px;
  color: var(--primary);
}

.content-prose p,
.content-prose li {
  color: #374151;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: var(--white);
}

th,
td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--primary);
  background: #eef3f9;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 34px;
  align-items: start;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

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

label {
  color: var(--primary);
  font-weight: 800;
  font-size: 14px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  font: inherit;
  color: var(--text);
  background: var(--white);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-status {
  min-height: 26px;
  margin-top: 14px;
  font-weight: 800;
}

.form-status[data-state="success"] {
  color: #0f766e;
}

.form-status[data-state="error"] {
  color: #b42318;
}

.cta {
  padding: 62px 0;
  color: var(--white);
  background: var(--primary);
}

.contact-cta {
  position: relative;
  background-image:
    linear-gradient(rgba(11, 35, 74, 0.76), rgba(11, 35, 74, 0.76)),
    url("/assets/images/contact-inquiry-bg.png");
  background-size: cover;
  background-position: center;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.2;
}

.site-footer {
  background: #081a37;
  color: rgba(255, 255, 255, 0.76);
  padding: 48px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr;
  gap: 28px;
}

.site-footer h3,
.site-footer h4 {
  color: var(--white);
  margin: 0 0 12px;
}

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

.copyright {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav {
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--white);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 10px 0;
  }

  .lang-switcher {
    flex-wrap: wrap;
    padding-top: 10px;
  }

  .hero-inner,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .grid-4,
  .grid-3,
  .process,
  .logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .header-inner {
    min-height: 72px;
  }

  .site-logo {
    height: 44px;
    max-width: 260px;
  }

  .nav {
    top: 72px;
  }

  .hero-inner,
  .section,
  .page-hero {
    padding: 54px 0;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 40px;
  }

  .hero-actions,
  .section-actions,
  .cta-inner,
  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .grid-4,
  .grid-3,
  .grid-2,
  .metric-grid,
  .fact-list,
  .process,
  .logo-wall,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}