* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  color: #1f2933;
  line-height: 1.75;
  background: #f4f7fb;
}

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

.top-bar {
  background: #08284d;
  color: #ffffff;
  padding: 12px 6%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 15px;
}

header {
  background: rgba(255,255,255,0.96);
  padding: 22px 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.logo {
  font-size: 28px;
  font-weight: 800;
  color: #08284d;
  letter-spacing: -1px;
}

nav a {
  margin-left: 24px;
  font-weight: 700;
  color: #334155;
  font-size: 16px;
}

nav a:hover {
  color: #0b4f8a;
}

.hero {
  background: #ffffff;
  padding: 30px 6% 20px;
}

.hero img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.18);
  display: block;
}

.section {
  padding: 70px 6%;
}

.white {
  background: #ffffff;
}

.section-title {
  text-align: center;
  margin-bottom: 42px;
}

.section-title h1,
.section-title h2 {
  color: #08284d;
  letter-spacing: -1.2px;
}

.section-title h1 {
  font-size: 40px;
  margin-bottom: 16px;
}

.section-title h2 {
  font-size: 34px;
  margin-bottom: 12px;
}

.section-title p {
  max-width: 980px;
  margin: 0 auto;
  color: #475569;
  font-size: 19px;
  word-break: keep-all;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 34px 26px;
  border-top: 5px solid #08284d;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  transition: 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.14);
}

.service-card .icon {
  width: 54px;
  height: 54px;
  background: #08284d;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 21px;
  color: #111827;
  margin-bottom: 12px;
  letter-spacing: -0.8px;
  word-break: keep-all;
}

.service-card p {
  color: #4b5563;
  font-size: 16px;
  word-break: keep-all;
}

.experience {
  background: linear-gradient(135deg, #08284d, #0f4c81);
  color: #ffffff;
  text-align: center;
  padding: 76px 6%;
}

.experience h2 {
  font-size: 34px;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.experience p {
  max-width: 980px;
  margin: 0 auto;
  font-size: 21px;
  word-break: keep-all;
}

.banner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.post-banner {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  border-radius: 22px;
  padding: 34px;
  color: #ffffff;
  background: linear-gradient(135deg, #08284d, #0f4c81);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.16);
  cursor: pointer;
  transition: 0.25s ease;
  display: block;
}

.post-banner:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.22);
}

.post-banner::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 230px;
  height: 230px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.post-banner .label {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 14px;
  margin-bottom: 18px;
}

.post-banner h3 {
  font-size: 26px;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: -1px;
  word-break: keep-all;
  position: relative;
  z-index: 2;
}

.post-banner p {
  font-size: 16px;
  color: #e2e8f0;
  word-break: keep-all;
  position: relative;
  z-index: 2;
}

.post-banner .more {
  display: inline-block;
  margin-top: 22px;
  font-weight: 800;
  color: #ffffff;
  position: relative;
  z-index: 2;
}

.contact {
  background: #ffffff;
}

.contact-box {
  max-width: 980px;
  margin: 0 auto;
  background: #f8fafc;
  border-radius: 20px;
  padding: 42px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  border: 1px solid #e2e8f0;
}

.contact-item {
  background: #ffffff;
  padding: 26px;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.contact-item strong {
  display: block;
  color: #08284d;
  font-size: 18px;
  margin-bottom: 8px;
}

.contact-item span {
  color: #111827;
  font-size: 22px;
  font-weight: 800;
}

.page-hero {
  background: linear-gradient(135deg, #08284d, #0f4c81);
  color: #ffffff;
  padding: 76px 6%;
}

.page-hero .eyebrow {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.12);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-size: 15px;
}

.page-hero h1 {
  max-width: 1100px;
  font-size: 42px;
  line-height: 1.28;
  letter-spacing: -1.6px;
  word-break: keep-all;
  margin-bottom: 18px;
}

.page-hero p {
  max-width: 1000px;
  font-size: 20px;
  color: #e5eef8;
  word-break: keep-all;
}

.article-wrap {
  padding: 64px 6%;
}

.article {
  max-width: 1050px;
  margin: 0 auto;
  background: #ffffff;
  padding: 48px;
  border-radius: 24px;
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.1);
}

.article h2 {
  color: #08284d;
  font-size: 28px;
  margin: 40px 0 16px;
  letter-spacing: -1px;
}

.article h2:first-child {
  margin-top: 0;
}

.article h3 {
  color: #1f2937;
  font-size: 22px;
  margin: 28px 0 10px;
  letter-spacing: -0.6px;
}

.article p {
  color: #374151;
  font-size: 17px;
  margin-bottom: 15px;
  word-break: keep-all;
}

.article ul,
.article ol {
  margin: 10px 0 20px 24px;
  color: #374151;
  font-size: 17px;
}

.article li {
  margin-bottom: 8px;
  word-break: keep-all;
}

.article .note {
  background: #eef6ff;
  border-left: 5px solid #0f4c81;
  padding: 20px 22px;
  border-radius: 14px;
  margin: 26px 0;
}

.article .warning {
  background: #fff7ed;
  border-left: 5px solid #f97316;
  padding: 20px 22px;
  border-radius: 14px;
  margin: 26px 0;
}

.article .contact-panel {
  background: #08284d;
  color: #ffffff;
  border-radius: 18px;
  padding: 26px;
  margin-top: 34px;
}

.article .contact-panel p {
  color: #ffffff;
  font-size: 18px;
}

.back-area {
  max-width: 1050px;
  margin: 28px auto 0;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: #08284d;
  color: #ffffff;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 800;
}

.btn.secondary {
  background: #e5edf6;
  color: #08284d;
}

.source-box {
  margin-top: 38px;
  padding: 22px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
}

.source-box h3 {
  margin-top: 0;
}

.source-box a {
  color: #0f4c81;
  font-weight: 700;
  text-decoration: underline;
}

footer {
  background: #061d38;
  color: #cbd5e1;
  text-align: center;
  padding: 28px 6%;
  font-size: 14px;
}

@media (max-width: 1100px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 14px;
  }

  nav {
    text-align: center;
  }

  nav a {
    display: inline-block;
    margin: 6px 8px;
    font-size: 15px;
  }

  .logo {
    font-size: 24px;
  }

  .section-title h1,
  .page-hero h1 {
    font-size: 30px;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .section-title p,
  .experience p,
  .page-hero p {
    font-size: 17px;
  }

  .service-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .post-banner h3 {
    font-size: 23px;
  }

  .article {
    padding: 30px 22px;
  }

  .article h2 {
    font-size: 24px;
  }
}