:root {
  --color-primary: #163a5f;
  --color-primary-strong: #0f2741;
  --color-secondary: #2f6fae;
  --color-accent: #7f97ad;
  --color-surface: #ffffff;
  --color-surface-muted: #f3f6f9;
  --color-border: #d6dee6;
  --color-text: #17212b;
  --color-text-muted: #5f6b77;
  --color-dark-surface: #101a24;
  --shadow-soft: 0 18px 45px rgba(10, 28, 46, 0.08);
  --container-width: 1200px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--color-text);
  font-family: "Segoe UI", "Noto Sans KR", sans-serif;
  line-height: 1.6;
  background:
    linear-gradient(180deg, #f8fbfd 0%, #f1f5f8 100%);
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

address {
  font-style: normal;
}

.section-inner,
.header-inner,
.footer-inner {
  width: min(var(--container-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(11, 26, 41, 0.9);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 86px;
}

.logo a {
  display: inline-flex;
  align-items: center;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.gnb-depth1 {
  display: flex;
  align-items: center;
  gap: 28px;
}

.gnb-depth1 a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.96rem;
  font-weight: 600;
}

.gnb-depth1 a:hover,
.header-contact a:hover,
.footer-nav a:hover,
.text-link:hover {
  color: #8ec4ff;
}

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

.header-contact a:first-child {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.94rem;
  font-weight: 600;
}

.header-contact a:last-child,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn:hover,
.header-contact a:last-child:hover,
.floating-contact a:hover {
  transform: translateY(-1px);
}

.header-contact a:last-child,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
}

.btn-secondary {
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  background: #fff;
}

.site-main section {
  padding: 96px 0;
}

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 110px 0 90px;
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(88, 153, 225, 0.22), transparent 28%),
    radial-gradient(circle at right center, rgba(255, 255, 255, 0.08), transparent 26%),
    linear-gradient(135deg, #0f2236 0%, #163a5f 55%, #234f7a 100%);
}

.sub-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 80px;
  color: #fff;
  background:
    radial-gradient(circle at top right, rgba(88, 153, 225, 0.18), transparent 24%),
    linear-gradient(135deg, #12293f 0%, #183d62 58%, #25557f 100%);
}

.hero-layout,
.about-summary-layout,
.strength-layout,
.location-layout,
.cta-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
}

.sub-hero-layout,
.two-column-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.hero-eyebrow,
.section-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--color-secondary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-eyebrow {
  color: #98c9ff;
}

.hero-content h2,
.sub-hero-content h2,
.section-head h2,
.cta-content h2 {
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-content h2 {
  max-width: 760px;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.sub-hero-content h2 {
  max-width: 720px;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.hero-text {
  max-width: 680px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
}

.sub-hero-content p:last-child {
  max-width: 680px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.8);
}

.hero-actions,
.cta-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions {
  margin-top: 34px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.hero-metrics li,
.visual-frame,
.trust-item,
.product-card,
.service-card,
.strength-point,
.case-card,
.map-area {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
}

.hero-metrics li {
  padding: 22px 20px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 1rem;
}

.hero-metrics span {
  display: block;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
}

.hero-visual,
.about-summary-visual,
.sub-hero-visual {
  min-height: 460px;
}

.visual-frame {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  padding: 28px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(12, 26, 41, 0.35)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
}

.visual-frame p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-head {
  max-width: 760px;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-head p {
  margin-top: 14px;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.trust-section,
.product-section,
.strength-section,
.location-section {
  background: var(--color-surface-muted);
}

.message-section,
.facility-section,
.about-contact-section {
  background: var(--color-surface-muted);
}

.product-nav-section,
.spec-section {
  background: var(--color-surface-muted);
}

.trust-list,
.service-list,
.case-list {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

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

.product-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

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

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

.trust-item,
.product-card,
.service-card,
.strength-point,
.case-card {
  padding: 28px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.trust-item h3,
.product-card h3,
.service-card h3,
.strength-point h3,
.case-card h3 {
  font-size: 1.2rem;
}

.trust-item p,
.product-card p,
.service-card p,
.strength-point p,
.case-card p,
.about-summary-content p,
.strength-content p,
.cta-content p,
.location-info p {
  margin-top: 12px;
  color: var(--color-text-muted);
}

.summary-list,
.product-card ul {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.summary-list li,
.product-card li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text);
}

.summary-list li::before,
.product-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-secondary);
  transform: translateY(-50%);
}

.text-link,
.product-card a {
  display: inline-flex;
  margin-top: 24px;
  color: var(--color-primary);
  font-weight: 700;
}

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

.info-grid,
.feature-grid,
.quality-grid,
.spec-grid,
.industry-grid {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

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

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

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

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

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

.info-card,
.feature-card,
.quality-card,
.content-panel,
.spec-item,
.industry-card {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.info-card h3,
.feature-card h3,
.quality-card h3,
.content-panel h3,
.spec-item h3,
.industry-card h3 {
  font-size: 1.16rem;
}

.info-card p,
.feature-card p,
.quality-card p,
.content-block p,
.content-panel p,
.spec-item p,
.industry-card p,
.product-detail-content > p {
  margin-top: 12px;
  color: var(--color-text-muted);
}

.content-block p + p {
  margin-top: 18px;
}

.spec-list,
.spec-grid {
  display: grid;
  gap: 18px;
}

.product-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-primary);
  font-size: 0.94rem;
  font-weight: 700;
  background: #fff;
}

.product-nav a:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.product-detail-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 32px;
  align-items: center;
}

.service-detail-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 32px;
  align-items: center;
}

.reverse-layout {
  grid-template-columns: 1.05fr 0.95fr;
}

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

.product-visual {
  min-height: 380px;
}

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

.product-placeholder {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  min-height: 380px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, #d9e5f1, #edf3f8);
  box-shadow: var(--shadow-soft);
}

.product-placeholder p {
  color: var(--color-primary);
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.contact-guide-section,
.contact-layout-section {
  background: var(--color-surface-muted);
}

.map-section,
.visit-guide-section {
  background: var(--color-surface-muted);
}

.case-filter-section,
.case-list-section {
  background: var(--color-surface-muted);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.process-item {
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.process-item strong {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--color-secondary);
  font-size: 0.95rem;
  font-weight: 800;
}

.process-item h3 {
  font-size: 1.1rem;
}

.process-item p {
  margin-top: 10px;
  color: var(--color-text-muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 28px;
  align-items: start;
}

.contact-sidebar {
  display: grid;
  gap: 20px;
}

.contact-info-card,
.form-shell {
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.alt-card {
  background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}

.contact-info-card h2,
.contact-info-card h3 {
  margin-top: 6px;
  font-size: 1.55rem;
  line-height: 1.2;
}

.contact-info-list {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.contact-info-list li {
  display: grid;
  gap: 4px;
}

.contact-info-list strong {
  color: var(--color-primary);
  font-size: 0.96rem;
}

.contact-info-list span {
  color: var(--color-text-muted);
}

.compact-head {
  max-width: none;
}

.contact-form {
  margin-top: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
}

.form-row {
  display: grid;
  gap: 10px;
}

.form-row-full {
  margin-top: 18px;
}

.form-row label,
.form-agree label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-strong);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font: inherit;
  background: #fff;
}

.form-row textarea {
  min-height: 180px;
  padding: 16px;
  resize: vertical;
}

.form-row input[type="file"] {
  padding: 14px 16px;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(47, 111, 174, 0.12);
}

.field-help {
  margin-top: 6px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.form-agree {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}

.form-agree input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.form-actions {
  margin-top: 26px;
}

.location-map-shell {
  margin-top: 34px;
}

.location-card-grid,
.guide-grid {
  display: grid;
  gap: 20px;
}

.case-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.case-filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-primary);
  font-size: 0.94rem;
  font-weight: 700;
  background: #fff;
}

.case-filter-chip.is-active {
  color: #fff;
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.case-showcase-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.case-thumb {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  min-height: 220px;
  padding: 24px;
  background: linear-gradient(135deg, #d9e5f1, #eef4f9);
}

.case-thumb p {
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-body {
  padding: 28px;
}

.case-body h3 {
  font-size: 1.35rem;
  line-height: 1.25;
}

.case-body > p:last-of-type {
  margin-top: 12px;
  color: var(--color-text-muted);
}

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

.guide-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.location-card,
.guide-card {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.location-card h3,
.guide-card h3 {
  font-size: 1.35rem;
}

.location-detail {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.location-detail p,
.guide-card p {
  color: var(--color-text-muted);
}

.location-detail strong {
  color: var(--color-primary);
}

.cta-section {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary-strong), var(--color-primary));
}

.cta-content p {
  color: rgba(255, 255, 255, 0.76);
}

.location-info {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.location-info strong {
  color: var(--color-primary);
}

.map-area {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  padding: 24px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background:
    linear-gradient(135deg, #edf3f9, #dce6ef);
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.78);
  background: var(--color-dark-surface);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.footer-brand p,
.footer-info p {
  margin-top: 8px;
}

.footer-nav {
  display: grid;
  gap: 10px;
}

.floating-contact {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  display: grid;
  gap: 10px;
}

.floating-contact a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 16px 35px rgba(14, 35, 56, 0.22);
}

.floating-contact a:first-child {
  background: #1c4d7d;
}

.floating-contact a:last-child {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
}

@media (max-width: 1180px) {
  .hero-layout,
  .about-summary-layout,
  .strength-layout,
  .location-layout,
  .cta-layout,
  .sub-hero-layout,
  .two-column-section,
  .footer-inner {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

  .spec-grid,
  .industry-grid,
  .product-detail-layout,
  .reverse-layout,
  .service-detail-layout,
  .process-list,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .about-summary-visual,
  .sub-hero-visual {
    min-height: 320px;
  }
}

@media (max-width: 920px) {
  .site-header {
    position: static;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 20px 0;
  }

  .gnb {
    width: 100%;
  }

  .gnb-depth1 {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .header-contact {
    flex-wrap: wrap;
  }

  .hero-metrics,
  .product-list,
  .strength-points,
  .case-list,
  .trust-list,
  .service-list,
  .info-grid,
  .feature-grid,
  .quality-grid,
  .spec-grid,
  .industry-grid,
  .process-list,
  .form-grid,
  .location-card-grid,
  .guide-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section-inner,
  .header-inner,
  .footer-inner {
    width: min(var(--container-width), calc(100% - 24px));
  }

  .site-main section {
    padding: 72px 0;
  }

  .hero-section {
    padding: 80px 0 72px;
  }

  .hero-content h2 {
    font-size: 2.2rem;
  }

  .section-head h2,
  .cta-content h2 {
    font-size: 1.85rem;
  }

  .header-contact a:last-child,
  .btn,
  .floating-contact a {
    width: 100%;
  }

  .hero-actions,
  .cta-actions,
  .section-actions,
  .header-contact {
    display: grid;
    width: 100%;
  }

  .floating-contact {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .trust-item,
  .product-card,
  .service-card,
  .strength-point,
  .case-card,
  .map-area {
    padding: 22px;
  }
}