:root {
  --ink: #172022;
  --muted: #5d6a69;
  --line: #dfe7e4;
  --paper: #f7faf8;
  --white: #ffffff;
  --teal: #1f8f8b;
  --teal-dark: #0c5555;
  --amber: #c88522;
  --coral: #c85f4f;
  --charcoal: #263437;
  --shadow: 0 24px 60px rgba(21, 37, 39, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 30px rgba(32, 44, 48, 0.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-size: 13px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  font-size: 15px;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  padding: 126px clamp(20px, 6vw, 88px) 72px;
}

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

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(12, 23, 25, 0.85), rgba(12, 32, 34, 0.58) 38%, rgba(13, 44, 43, 0.1) 72%),
    linear-gradient(0deg, rgba(16, 30, 31, 0.35), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.25;
}

.hero-copy {
  width: min(640px, 100%);
  margin-bottom: 30px;
  font-size: clamp(17px, 2vw, 21px);
  color: rgba(255, 255, 255, 0.9);
  word-break: keep-all;
}

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

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 20px;
  font-weight: 800;
}

.primary-action {
  color: #081c1d;
  background: var(--white);
}

.secondary-action {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.summary-strip div {
  min-height: 126px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 26px clamp(20px, 5vw, 72px);
  background: var(--white);
}

.summary-strip strong {
  color: var(--teal-dark);
  font-size: 36px;
  line-height: 1;
}

.summary-strip span {
  color: var(--muted);
  font-weight: 700;
}

.section {
  padding: clamp(76px, 10vw, 128px) clamp(20px, 6vw, 88px);
}

.section-heading {
  width: min(860px, 100%);
  margin-bottom: 42px;
}

.section-heading > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  word-break: keep-all;
}

.about-grid,
.service-grid {
  display: grid;
  gap: 18px;
}

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

.about-grid article,
.service-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(31, 52, 55, 0.06);
}

.about-grid article {
  padding: 30px;
}

.icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 8px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
}

.about-grid p,
.service-card p,
.vision-copy p,
.vision-list {
  color: var(--muted);
  word-break: keep-all;
}

.services-section {
  background: #eef4f1;
}

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

.service-card {
  position: relative;
  min-height: 196px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 24px;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent, var(--teal));
}

.service-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.service-card p {
  margin-bottom: 24px;
  font-size: 15px;
}

.service-card span {
  color: var(--accent, var(--teal));
  font-size: 14px;
  font-weight: 900;
}

.vision-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
  gap: clamp(30px, 6vw, 88px);
  align-items: center;
  padding: clamp(76px, 10vw, 128px) clamp(20px, 6vw, 88px);
  color: var(--white);
  background: var(--charcoal);
}

.vision-copy p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

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

.vision-list li {
  min-height: 62px;
  display: flex;
  align-items: center;
  border-left: 4px solid var(--amber);
  border-radius: 0 8px 8px 0;
  padding: 16px 18px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
}

.site-footer {
  display: grid;
  gap: 18px;
  padding: 38px clamp(20px, 6vw, 88px);
  color: var(--white);
  background: #0b2026;
}

.site-footer strong {
  display: block;
  margin-bottom: 8px;
  color: var(--white);
  font-size: 16px;
  letter-spacing: 0;
}

.company-info {
  max-width: 980px;
  margin: 8px 0 0;
  color: rgba(216, 229, 231, 0.82);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.65;
  word-break: keep-all;
}

.footer-policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(216, 229, 231, 0.16);
  color: #9fb4b8;
  font-size: 13px;
  font-weight: 800;
}

.footer-policy-links a {
  color: #d8e5e7;
}

.footer-policy-links button {
  padding: 0;
  color: #d8e5e7;
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: inherit;
  cursor: pointer;
}

.footer-policy-links a:hover,
.footer-policy-links button:hover {
  color: var(--amber);
}

.footer-admin-link {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  color: #102024 !important;
  background: var(--amber);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.policy-panel {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(9, 25, 29, 0.58);
  backdrop-filter: blur(8px);
}

.policy-panel[hidden] {
  display: none;
}

.policy-card {
  position: relative;
  width: min(720px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow: auto;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}

.policy-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  border: 0;
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.policy-card h2 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 30px;
}

.policy-body {
  color: var(--muted);
  line-height: 1.75;
}

.policy-body h3 {
  margin: 18px 0 8px;
  color: var(--ink);
  font-size: 18px;
}

.policy-body ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.policy-template {
  display: none;
}

@media (max-width: 980px) {
  .about-grid,
  .service-grid,
  .vision-section {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    padding: 14px 18px;
  }

  .brand span:last-child {
    max-width: 120px;
    line-height: 1.1;
  }

  .nav-links {
    gap: 12px;
    font-size: 13px;
  }

  .hero {
    min-height: 88vh;
    padding: 112px 20px 54px;
  }

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

  .hero-shade {
    background: linear-gradient(90deg, rgba(10, 20, 22, 0.9), rgba(13, 37, 38, 0.62) 70%, rgba(13, 44, 43, 0.24));
  }

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

  .summary-strip,
  .about-grid,
  .service-grid,
  .vision-section {
    grid-template-columns: 1fr;
  }

  .summary-strip div {
    min-height: 96px;
  }

  .section,
  .vision-section {
    padding: 68px 20px;
  }

  h2 {
    font-size: 29px;
  }

  .policy-card {
    padding: 28px 20px;
  }
}