* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans KR', sans-serif; color: #1e293b; line-height: 1.6;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── 버튼 공통 ── */
.btn-primary {
  display: inline-block; background: #1d4ed8; color: #fff;
  padding: 13px 28px; border-radius: 8px;
  font-size: 14px; font-weight: 700; transition: background 0.2s;
}
.btn-primary:hover { background: #1e40af; }
.btn-secondary {
  display: inline-block; background: #fff; color: #1d4ed8;
  border: 2px solid #1d4ed8; padding: 11px 26px;
  border-radius: 8px; font-size: 14px; font-weight: 700; transition: all 0.2s;
}
.btn-secondary:hover { background: #eff6ff; }
.btn-cta-white {
  display: inline-block; background: #fff; color: #1d4ed8;
  padding: 14px 36px; border-radius: 8px;
  font-size: 15px; font-weight: 700; transition: all 0.2s;
}
.btn-cta-white:hover { background: #eff6ff; }

/* ── 섹션 공통 헤더 ── */
.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: #1d4ed8; margin-bottom: 12px;
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px; font-weight: 900; color: #0f172a;
  letter-spacing: -1px; margin-bottom: 14px;
}
.section-desc { font-size: 15px; color: #64748b; font-weight: 500; }

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 26px; font-weight: 900; color: #0f172a; letter-spacing: -1px;
}
.logo img {
  width: 28px; height: auto; display: block;
}
.logo .logo-brand { color: #000; }
.logo .logo-name { color: #1d4ed8; margin-left: 0.12em; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 17px; font-weight: 700; color: #475569; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: #1d4ed8; }
.btn-cta {
  background: #1d4ed8; color: #fff;
  padding: 11px 22px; border-radius: 7px;
  font-size: 15px; font-weight: 700; transition: background 0.2s;
}
.btn-cta:hover { background: #1e40af; }

/* 햄버거 버튼 (모바일에서만 표시) */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  background: none; border: 1.5px solid #e2e8f0; cursor: pointer;
  padding: 8px 10px; border-radius: 8px; transition: border-color 0.2s;
}
.nav-hamburger:hover { border-color: #1d4ed8; }
.nav-hamburger span {
  display: block; width: 20px; height: 2px; background: #0f172a;
  border-radius: 2px; transition: all 0.25s;
}
.navbar.open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar.open .nav-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar.open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── CTA 섹션 ── */
.cta { background: #0f172a; padding: 70px 0; text-align: center; }
.cta-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px; font-weight: 900; color: #fff;
  letter-spacing: -1px; margin-bottom: 14px;
}
.cta-desc { font-size: 15px; color: #94a3b8; font-weight: 500; margin-bottom: 32px; }

/* ── FOOTER ── */
.footer { background: #0f172a; padding: 60px 0 0; }
.footer-inner {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 60px; padding-bottom: 48px;
  border-bottom: 1px solid #1e293b;
}
.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px; font-weight: 900; color: #fff; margin-bottom: 10px;
}
.footer-desc { font-size: 13px; color: #64748b; font-weight: 500; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.footer-col a, .footer-col span { font-size: 13px; color: #64748b; font-weight: 500; }
.footer-col a:hover { color: #93c5fd; }
.footer-bottom {
  padding: 20px 0; text-align: center;
  font-size: 12px; color: #475569; font-weight: 500;
}

/* ══════════════════════════════════════════════
   공통 반응형 (모바일 768px 이하)
══════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* 햄버거 표시 / 메뉴 숨김 */
  .nav-hamburger { display: flex; }
  .btn-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0;
    border-bottom: 3px solid #1d4ed8;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    z-index: 99;
  }
  .nav-links li { border-bottom: 1px solid #f1f5f9; }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 14px 24px; font-size: 15px; color: #1e293b; }
  .nav-links a.active { color: #1d4ed8; background: #eff6ff; }
  .navbar.open .nav-links { display: flex; }

  /* 섹션 공통 헤더 */
  .section-title { font-size: 26px; letter-spacing: -0.5px; }
  .section-desc { font-size: 14px; }
  .section-header { margin-bottom: 32px; }

  /* 버튼 */
  .btn-primary, .btn-secondary { padding: 12px 22px; font-size: 13px; }

  /* CTA */
  .cta { padding: 48px 0; }
  .cta-title { font-size: 22px; letter-spacing: -0.5px; }
  .cta-desc { font-size: 14px; margin-bottom: 24px; }
  .cta br { display: none; }

  /* 푸터 */
  .footer { padding: 40px 0 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
}

@media (max-width: 480px) {
  .footer-links { grid-template-columns: 1fr; }
  .section-title { font-size: 22px; }
}