:root {
  --navy: #0b2a3c;
  --navy-2: #123d54;
  --blue: #0f6d8f;
  --mint: #17b890;
  --yellow: #ffc857;
  --ink: #17242c;
  --muted: #64727a;
  --line: #dce4e8;
  --soft: #f3f7f8;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(11, 42, 60, 0.12);
  --radius: 22px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Pretendard", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
}

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

h1,
h2,
h3 {
  line-height: 1.25;
}

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

.narrow {
  max-width: 880px;
}

.section {
  padding: 104px 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

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

.section-heading h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.04em;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--yellow);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--blue);
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.button-primary {
  color: var(--navy);
  background: var(--yellow);
  box-shadow: 0 12px 28px rgba(255, 200, 87, 0.24);
}

.button-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.button.large {
  min-height: 62px;
  padding-inline: 30px;
  font-size: 1.06rem;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: #000;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(220, 228, 232, 0.8);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--white);
  border-radius: 14px;
  background: var(--navy);
  font-size: 1.25rem;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.08rem;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.72rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.94rem;
  font-weight: 700;
}

.primary-nav a:hover {
  color: var(--blue);
}

.header-call {
  padding: 12px 18px;
  color: var(--white);
  border-radius: 999px;
  background: var(--navy);
  font-weight: 900;
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-weight: 800;
}

.site-footer {
  padding: 66px 0 24px;
  color: rgba(255, 255, 255, 0.78);
  background: #071e2b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 36px;
}

.footer-grid > div {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 8px;
}

.footer-grid strong {
  margin-bottom: 6px;
  color: var(--white);
}

.footer-brand {
  font-size: 1.45rem;
}

.footer-grid a:hover {
  color: var(--yellow);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.86rem;
}

.mobile-call {
  display: none;
}

@media (max-width: 900px) {
  .section {
    padding: 78px 0;
  }

  .header-call {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .primary-nav {
    position: absolute;
    top: 78px;
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .primary-nav a {
    padding: 14px;
    border-radius: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .mobile-call {
    position: fixed;
    z-index: 90;
    right: 14px;
    bottom: 14px;
    left: 14px;
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--navy);
    border-radius: 999px;
    background: var(--yellow);
    box-shadow: 0 14px 36px rgba(11, 42, 60, 0.3);
    font-weight: 800;
  }

  body {
    padding-bottom: 84px;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 66px 0;
  }

  .section-heading {
    margin-bottom: 34px;
    text-align: left;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}