:root {
  --ocean: #4a90e2;
  --sand: #f5f5dc;
  --ink: #1f2d3d;
  --muted: #6c7a89;
  --card: rgba(255, 255, 255, 0.88);
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  background: var(--sand) url("https://images.unsplash.com/photo-1473186578172-c141e6798cf4?auto=format&fit=crop&w=1600&q=60") repeat;
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: var(--ocean);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hero {
  position: relative;
  padding: 80px 5%;
  background: linear-gradient(120deg, rgba(74, 144, 226, 0.85), rgba(74, 144, 226, 0.65)) url("https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.texture-overlay {
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1451186859696-371d9477be93?auto=format&fit=crop&w=1200&q=60") repeat;
  opacity: 0.35;
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  max-width: 760px;
  z-index: 1;
}

.hero h1 {
  font-family: 'Nanum Pen Script', cursive;
  font-size: 54px;
  margin: 12px 0 8px;
}

.subtitle {
  font-size: 22px;
  margin: 6px 0;
}

.meta {
  font-size: 16px;
  opacity: 0.9;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px dashed rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  font-weight: 500;
}

.cta {
  display: inline-block;
  margin-top: 18px;
  padding: 12px 18px;
  background: #fff;
  color: var(--ocean);
  border-radius: 10px;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.18);
}

.page {
  padding: 50px 5% 80px;
}

.block {
  margin-bottom: 48px;
}

.intro-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  padding: 28px;
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.intro-text {
  display: grid;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
}

.intro-line {
  padding: 10px 14px;
  border: 1px dashed rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  background: #fff;
}

.intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.content-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 26px;
  align-items: start;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.16);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body {
  padding: 18px;
}

.card h3 {
  margin: 6px 0 12px;
  font-family: 'Nanum Pen Script', cursive;
  font-size: 30px;
}

.eyebrow {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-weight: 700;
}

.card ul {
  padding-left: 16px;
  margin: 0;
  display: grid;
  gap: 8px;
}

.sidebar {
  display: grid;
  gap: 16px;
}

.note {
  background: #fff;
  padding: 16px;
  border-radius: 14px;
  border: 1px dashed rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

.note h4 {
  margin: 0 0 10px;
  font-family: 'Nanum Pen Script', cursive;
  font-size: 28px;
}

.note ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.callout {
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.12), rgba(245, 245, 220, 0.9));
  border-radius: 18px;
  padding: 22px;
  border: 1px dashed rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow);
}

.callout-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.callout h2 {
  font-family: 'Nanum Pen Script', cursive;
  font-size: 32px;
  margin: 0 0 10px;
}

.callout ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.footer {
  background: rgba(255, 255, 255, 0.94);
  padding: 32px 5% 28px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.footer-line {
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  margin: 0 0 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 14px;
}

.footer h5 {
  margin: 0 0 10px;
  font-size: 16px;
}

.footer p {
  margin: 4px 0;
}

.footer ul {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 6px;
}

.copyright {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 960px) {
  .hero {
    padding: 64px 6%;
  }

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

  .intro-card {
    grid-template-columns: 1fr;
  }

  .card img {
    height: 200px;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 42px;
  }

  .subtitle {
    font-size: 18px;
  }

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