:root {
  color-scheme: light;
  --ink: #17302f;
  --muted: #58706e;
  --paper: #fffdf7;
  --surface: #ffffff;
  --mint: #dff5ed;
  --mint-strong: #0f766e;
  --sun: #ffcb69;
  --line: #d9e5e1;
  --shadow: 0 18px 50px rgba(23, 48, 47, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 5%, rgba(255, 203, 105, 0.24), transparent 28rem),
    radial-gradient(circle at 90% 15%, rgba(81, 190, 166, 0.18), transparent 30rem),
    var(--paper);
  color: var(--ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 229, 225, 0.9);
  background: rgba(255, 253, 247, 0.9);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--sun);
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

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

main {
  min-height: 62vh;
}

.hero {
  padding: 96px 0 72px;
}

.eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--mint-strong);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

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

h1 {
  max-width: 850px;
  margin: 20px 0;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.hero-copy {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 14px;
  background: var(--ink);
  color: white;
  text-decoration: none;
  font-weight: 800;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.button.disabled {
  border-color: var(--line);
  background: #edf2ef;
  color: #6e7e7b;
  cursor: not-allowed;
}

.section {
  padding: 32px 0 76px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading h2,
.page-title h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.section-heading p,
.page-title p,
.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}

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

.number {
  color: var(--mint-strong);
  font-size: 2rem;
  font-weight: 900;
}

.contact-band {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 24px;
  padding: 34px;
  border-radius: 28px;
  background: var(--ink);
  color: white;
}

.contact-band p {
  color: #c7d9d5;
}

.contact-list {
  display: grid;
  gap: 9px;
  align-content: center;
}

.contact-list a {
  width: fit-content;
  text-decoration-color: var(--sun);
  text-underline-offset: 4px;
}

.page-title {
  padding: 76px 0 30px;
}

.status-box {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--line);
}

.status-item {
  padding: 22px;
  background: var(--surface);
}

.status-item span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.status-item strong {
  display: block;
  margin-top: 5px;
}

.notice {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 5px solid var(--sun);
  border-radius: 10px;
  background: #fff5dc;
}

.doc-list {
  display: grid;
  gap: 12px;
}

.doc-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  text-decoration: none;
}

.doc-link:hover {
  border-color: var(--mint-strong);
  transform: translateY(-1px);
}

.doc-link small {
  color: var(--muted);
}

.tag {
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--mint-strong);
  font-size: 0.78rem;
  font-weight: 800;
}

.steps {
  padding-left: 1.25rem;
}

.steps li {
  margin-bottom: 12px;
}

.site-footer {
  margin-top: 48px;
  padding: 42px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-content: start;
  justify-content: flex-end;
}

.footer-links a {
  text-underline-offset: 3px;
}

@media (max-width: 780px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .nav-links {
    gap: 14px;
  }

  .hero {
    padding-top: 66px;
  }

  .grid,
  .contact-band,
  .footer-grid,
  .status-box {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}