:root {
  --sky: #3ea8e0;
  --sky-light: #eaf6fd;
  --sky-mid: #cfeaf9;
  --ink: #1b2733;
  --ink-soft: #5b6b78;
  --white: #ffffff;
  --border: #e3eef4;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(62, 168, 224, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 22px;
  color: var(--sky);
  letter-spacing: -0.5px;
}
.logo span { color: var(--ink); }

nav.main-nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-soft);
  transition: color 0.2s;
}
nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--sky);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher select {
  border: 1px solid var(--border);
  background: var(--sky-light);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--sky-light) 0%, var(--white) 60%);
  padding: 96px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--sky);
  background: var(--sky-mid);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.3;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero p.lead {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 480px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-primary {
  background: var(--sky);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--sky);
  color: var(--sky);
}

.hero-art {
  height: 340px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--sky) 0%, #7fd0f2 50%, var(--sky-light) 100%);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.35), transparent 60%);
}

/* Sections */
section.block {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 12px;
}
.section-head p {
  color: var(--ink-soft);
  font-size: 15px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--sky-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
}
.card h3 {
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--ink);
}
.card p {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}
.card .icon-dot {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--sky);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 16px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table tr { border-top: 1px solid var(--border); }
.info-table tr:first-child { border-top: none; }
.info-table td {
  padding: 18px 0;
  font-size: 14px;
}
.info-table td:first-child {
  width: 180px;
  font-weight: 700;
  color: var(--ink);
}
.info-table td:last-child { color: var(--ink-soft); }

/* Blog */
.blog-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.blog-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 4px 14px rgba(20,40,60,0.05);
  transition: transform 0.15s;
}
.blog-card:hover { transform: translateY(-4px); }
.blog-card img { width: 100%; height: 160px; object-fit: cover; display: block; background: var(--sky-mid); }
.blog-card .body { padding: 18px 20px 22px; }
.blog-card .lang-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--sky);
  background: var(--sky-mid);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.blog-card h3 { font-size: 16px; margin: 0 0 8px; }
.blog-card p { font-size: 13px; color: var(--ink-soft); margin: 0; }

.post-header { padding: 56px 0 24px; text-align: center; }
.post-header .lang-tag { margin-bottom: 14px; }
.post-header h1 { font-size: 32px; margin: 0 0 12px; }
.post-header .meta { color: var(--ink-soft); font-size: 13px; }
.post-hero-img { width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius); margin: 24px 0 40px; }
.post-body { font-size: 16px; }
.post-body p { margin: 0 0 20px; }

.og-link-card {
  display: flex;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 28px 0;
  background: var(--sky-light);
  box-shadow: var(--shadow);
}
.og-link-card img { width: 160px; height: 120px; object-fit: cover; flex-shrink: 0; }
.og-link-card .og-body { padding: 14px 18px 14px 0; display: flex; flex-direction: column; justify-content: center; }
.og-link-card .og-domain { font-size: 12px; color: var(--sky); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.og-link-card .og-title { font-size: 15px; font-weight: 700; margin: 4px 0; color: var(--ink); }
.og-link-card .og-desc { font-size: 13px; color: var(--ink-soft); }

.keywords { display: flex; flex-wrap: wrap; gap: 8px; margin: 32px 0 0; }
.keywords span {
  font-size: 12px;
  background: var(--sky-mid);
  color: var(--sky);
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 600;
}

/* Steps (marketing plan journey) */
.step-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
  position: relative;
}
.step-num {
  width: 32px;
  height: 32px;
  line-height: 32px;
  border-radius: 50%;
  background: var(--sky);
  color: var(--white);
  font-weight: 800;
  font-size: 14px;
  margin: 0 auto 12px;
}
.step-card h3 { font-size: 15px; margin: 0 0 6px; }
.step-card p { font-size: 12.5px; color: var(--ink-soft); margin: 0; }

/* Disclaimer box */
.disclaimer-box {
  background: var(--sky-light);
  border: 1px solid var(--sky-mid);
  border-radius: var(--radius);
  padding: 28px 32px;
  max-width: 860px;
  margin: 0 auto;
}
.disclaimer-box h3 { margin: 0 0 10px; font-size: 16px; color: var(--ink); }
.disclaimer-box p { margin: 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; }

.rank-path {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 2;
  background: var(--sky-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
}

@media (max-width: 860px) {
  .step-row { grid-template-columns: 1fr 1fr; }
}

/* Join page */
.join-region { margin-bottom: 40px; }
.join-region-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--sky);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.join-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}
.join-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  font-weight: 700;
  font-size: 14px;
}
.join-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--sky);
}
.join-flag { font-size: 20px; }
.join-country { flex: 1; }
.join-arrow { color: var(--sky); font-weight: 800; }
.join-note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

/* Footer */
footer.site-footer {
  background: var(--sky-light);
  border-top: 1px solid var(--border);
  padding: 48px 0;
  margin-top: 64px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 13px;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .blog-list { grid-template-columns: 1fr 1fr; }
  nav.main-nav { display: none; }
}