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

body {
  background-color: #f4f6f8;
  color: #333;
  font-family:
    "Noto Sans KR",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  line-height: 1.6;
}

.hero-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #f1ede2;
  border-bottom: 3px solid #dcd5c5;
}

.hero-svg-container {
  display: block;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #fff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgb(0 0 0 / 6%);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 16px 15px;
  color: #334155;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    color 0.2s ease,
    background-color 0.2s ease;
}

.nav-link i {
  font-size: 0.7rem;
}

.nav-link:hover,
.nav-link.active {
  color: #1e3a8a;
  background-color: #f8fafc;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1001;
  display: none;
  min-width: 220px;
  padding: 6px 0;
  list-style: none;
  background-color: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 10px 25px rgb(0 0 0 / 10%);
}

.dropdown-menu li a {
  display: block;
  padding: 10px 18px;
  color: #475569;
  font-size: 0.88rem;
  text-decoration: none;
  transition: background-color 0.15s;
}

.dropdown-menu li a:hover,
.dropdown-menu li a.active {
  color: #1e3a8a;
  font-weight: 600;
  background-color: #eff6ff;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  display: block;
}

.main-container {
  display: flex;
  gap: 32px;
  max-width: 1240px;
  margin: 30px auto 60px;
  padding: 0 20px;
}

.content-area {
  flex: 1;
  min-width: 0;
  min-height: 600px;
  padding: 36px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgb(0 0 0 / 2%);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: #64748b;
  font-size: 0.85rem;
}

.breadcrumb-current {
  color: #0f172a;
  font-weight: 600;
}

.page-title,
.section-header h1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 12px;
  color: #0f172a;
  font-family: "Roboto Slab", "Noto Sans KR", serif;
  font-size: 1.85rem;
  border-bottom: 2px solid #e2e8f0;
}

.section-subtitle {
  margin-top: -12px;
  margin-bottom: 24px;
  color: #64748b;
}

.section-card {
  margin-bottom: 24px;
  padding: 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #2563eb;
  border-radius: 6px;
}

.section-card h2,
.section-card h3 {
  margin-bottom: 10px;
  color: #1e3a8a;
  font-size: 1.15rem;
}

.section-card p + p,
.cfp-theme p + p {
  margin-top: 12px;
}

.info-table {
  width: 100%;
  margin: 20px 0;
  font-size: 0.92rem;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 12px 16px;
  text-align: left;
  border: 1px solid #cbd5e1;
}

.info-table th {
  width: 16%;
  color: #1e293b;
  font-weight: 700;
  background-color: #f1f5f9;
}

.btn-action {
  display: inline-block;
  padding: 10px 20px;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  background-color: #2563eb;
  border: 0;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.btn-action:hover {
  background-color: #1d4ed8;
}

.content-list,
.submission-list,
.award-list {
  padding-left: 20px;
  color: #334155;
  line-height: 1.8;
}

.submission-list ul {
  padding-left: 20px;
}

.award-list {
  line-height: 2;
}

.topics-list {
  padding-left: 20px;
  color: #334155;
  line-height: 1.8;
  columns: 2;
  column-gap: 40px;
}

.topics-list li {
  margin-bottom: 4px;
  break-inside: avoid;
}

.signature {
  margin-top: 30px;
  color: #1e293b;
  font-weight: 700;
  text-align: right;
}

.attractions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.attraction-card {
  padding: 22px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgb(15 23 42 / 5%);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.attraction-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgb(15 23 42 / 10%);
}

.attraction-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.attraction-title span {
  font-size: 1.5rem;
}

.attraction-title h3 {
  color: #1e293b;
  font-size: 1.05rem;
}

.attraction-location {
  margin-bottom: 8px;
  color: #2563eb;
  font-size: 0.78rem;
  font-weight: 600;
}

.attraction-description {
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.7;
}

.sidebar-area {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 320px;
}

.card-blue,
.card-dates {
  overflow: hidden;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgb(0 0 0 / 4%);
}

.card-blue {
  border: 1px solid #2563eb;
}

.card-blue .card-header,
.card-dates .card-header {
  display: flex;
  align-items: center;
  color: #fff;
  font-weight: 700;
  background-color: #2563eb;
}

.card-blue .card-header {
  gap: 8px;
  padding: 14px 18px;
  font-size: 1.02rem;
}

.card-blue .card-body {
  padding: 16px;
  font-size: 0.9rem;
}

.card-blue .card-body ul {
  list-style: none;
}

.card-blue .card-body li {
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed #f1f5f9;
}

.card-blue .card-body li:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}

.card-blue .card-body a {
  color: #1d4ed8;
  text-decoration: none;
}

.card-blue .card-body a:hover {
  text-decoration: underline;
}

.card-dates {
  background-color: #f0fdf4;
  border: 1px solid #cbd5e1;
}

.card-dates .card-header {
  justify-content: space-between;
  padding: 12px 18px;
  font-size: 0.98rem;
}

.timezone {
  font-size: 0.75rem;
  opacity: 0.9;
}

.date-list {
  padding: 12px 18px;
  list-style: none;
}

.date-item {
  padding: 10px 0;
  font-size: 0.88rem;
  border-bottom: 1px solid #e2e8f0;
}

.date-item:last-child {
  border-bottom: 0;
}

.date-title {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #1e293b;
  font-weight: 700;
}

.date-title i {
  color: #2563eb;
}

.conference-date i {
  color: #dc2626;
}

.date-event {
  display: block;
  margin-top: 2px;
  color: #1e40af;
  font-style: italic;
}

footer {
  padding: 40px 20px;
  color: #94a3b8;
  font-size: 0.9rem;
  text-align: center;
  background-color: #0f172a;
  border-top: 4px solid #2563eb;
}

footer a {
  color: #cbd5e1;
  text-decoration: none;
}

@media (max-width: 960px) {
  .main-container {
    flex-direction: column;
  }

  .sidebar-area {
    width: 100%;
  }

  .nav-menu {
    flex-wrap: wrap;
  }

  .topics-list {
    columns: 1;
  }
}

@media (max-width: 680px) {
  .hero-svg-container {
    width: 180%;
    max-width: none;
    margin-left: -40%;
  }

  .nav-container {
    padding: 0 8px;
    overflow-x: auto;
  }

  .nav-menu {
    flex-wrap: nowrap;
  }

  .nav-link {
    padding: 13px 10px;
    white-space: nowrap;
  }

  .dropdown-menu {
    min-width: 190px;
  }

  .main-container {
    margin-top: 18px;
    padding: 0 12px;
  }

  .content-area {
    min-height: 0;
    padding: 24px 18px;
  }

  .page-title,
  .section-header h1 {
    font-size: 1.5rem;
  }

  .info-table {
    display: block;
    overflow-x: auto;
  }

  .info-table th {
    min-width: 110px;
  }

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