:root {
  --color-primary: #0a2540;
  --color-primary-soft: #12385c;
  --color-accent: #ff7a45;
  --color-accent-soft: rgba(255, 122, 69, 0.14);
  --color-surface: #ffffff;
  --color-surface-muted: #f8f9fa;
  --color-border: rgba(10, 37, 64, 0.12);
  --color-text: #333333;
  --color-text-muted: #6c757d;
  --color-white: #ffffff;
  --shadow-soft: 0 20px 40px rgba(10, 37, 64, 0.08);
  --shadow-card: 0 16px 32px rgba(10, 37, 64, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Pretendard", "Noto Sans KR", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
}

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

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

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(10, 37, 64, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 1rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-accent), #ff9b72);
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 1rem;
  color: var(--color-primary);
}

.brand-copy span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(10, 37, 64, 0.04);
}

.lang-button {
  border: 0;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-button.is-active {
  background: var(--color-primary);
  color: var(--color-white);
}

.site-menu a {
  position: relative;
  font-weight: 600;
  color: var(--color-primary);
}

.site-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
  background: var(--color-accent);
}

.site-menu a:hover::after,
.site-menu a:focus-visible::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.28rem;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 999px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4.5rem;
  background:
    radial-gradient(circle at top right, rgba(255, 122, 69, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(10, 37, 64, 0.98), rgba(18, 56, 92, 0.95));
  color: var(--color-white);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
}

.hero::before {
  top: 4rem;
  right: -8rem;
  width: 22rem;
  height: 22rem;
  background: rgba(255, 122, 69, 0.18);
}

.hero::after {
  bottom: -8rem;
  left: -6rem;
  width: 18rem;
  height: 18rem;
  background: rgba(255, 255, 255, 0.08);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.8fr);
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.08;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  max-width: 12ch;
}

.hero-subtitle {
  margin: 1rem 0 0;
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  font-weight: 600;
}

.hero-description {
  margin: 1rem 0 0;
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 12px 24px rgba(255, 122, 69, 0.28);
}

.button-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.25);
}

.button-full {
  width: 100%;
}

.hero-highlights {
  display: grid;
  gap: 0.7rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.84);
}

.hero-highlights li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-highlights li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(255, 122, 69, 0.12);
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.stat-card {
  padding: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.stat-label {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card strong {
  font-size: 1.05rem;
  line-height: 1.45;
}

.stat-card a:hover {
  color: #ffd6c8;
}

.section {
  padding: 5rem 0;
}

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

.section-heading {
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-heading-left {
  margin-left: 0;
  text-align: left;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-primary);
}

.section-heading p:last-child {
  margin: 1rem 0 0;
  color: var(--color-text-muted);
}

.card-grid {
  display: grid;
  gap: 1.5rem;
}

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

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

.info-card,
.feature-card,
.process-card,
.certificate-card,
.location-card,
.contact-card,
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.info-card,
.feature-card,
.process-card {
  padding: 1.8rem;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  border-radius: 18px;
  font-size: 1.4rem;
  background: var(--color-accent-soft);
}

.info-card h3,
.feature-card h3,
.process-card h3,
.certificate-card h3,
.location-card h3,
.contact-card h3 {
  margin: 0;
  color: var(--color-primary);
}

.card-subtitle {
  margin: 0.35rem 0 0.9rem;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.info-card p,
.feature-card p,
.process-card p,
.location-card p,
.contact-card a,
.form-note {
  color: var(--color-text-muted);
}

.info-card ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--color-text);
}

.info-card li + li {
  margin-top: 0.45rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.process-card {
  position: relative;
  overflow: hidden;
}

.process-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), #ffaa85);
}

.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  padding: 0 0.9rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.company-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.5rem;
  align-items: start;
}

.certificate-card {
  padding: 1.8rem;
}

.info-list {
  display: grid;
  gap: 1rem;
  margin: 1.2rem 0 0;
}

.info-list div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.8rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(10, 37, 64, 0.08);
}

.info-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-list dt {
  font-weight: 700;
  color: var(--color-primary);
}

.info-list dd {
  margin: 0;
  color: var(--color-text-muted);
}

.info-stack {
  display: grid;
  gap: 1rem;
}

.location-card,
.contact-card {
  padding: 1.4rem 1.5rem;
}

.location-card a,
.contact-card a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-cards {
  display: grid;
  gap: 1rem;
}

.contact-card span {
  display: inline-block;
  margin-bottom: 0.7rem;
  font-size: 1.6rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.8rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--color-primary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(10, 37, 64, 0.14);
  border-radius: 16px;
  background: #fcfcfd;
  padding: 0.95rem 1rem;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(255, 122, 69, 0.9);
  box-shadow: 0 0 0 4px rgba(255, 122, 69, 0.12);
}

.site-footer {
  padding: 2.6rem 0 1.2rem;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.86);
}

.footer-content,
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.footer-content {
  flex-wrap: wrap;
  align-items: start;
}

.footer-content strong,
.footer-content a {
  color: var(--color-white);
}

.footer-content p,
.footer-bottom p {
  margin: 0.35rem 0 0;
}

.footer-bottom {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 768px) {
  .nav-actions {
    gap: 0.6rem;
  }

  .language-switcher {
    order: 1;
  }

  .menu-toggle {
    display: inline-flex;
    order: 2;
  }

  .site-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-card);
    order: 3;
  }

  .site-menu.is-open {
    display: flex;
  }

  .hero {
    padding-top: 4rem;
  }

  .section {
    padding: 4rem 0;
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .info-list div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .footer-content,
  .footer-bottom {
    flex-direction: column;
  }
}