@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

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

:root {
  --coral: #FF5A3C;
  --coral-dark: #E04428;
  --coral-light: #FFF0ED;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --white: #FFFFFF;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 800px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 16px;
  font-weight: 800;
  color: var(--gray-900);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--coral); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--gray-100); color: var(--gray-900); }
.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--coral) !important;
  border: 1.5px solid var(--coral);
  border-radius: 8px;
  padding: 6px 14px !important;
  transition: background 0.15s, color 0.15s !important;
}
.nav-cta:hover { background: var(--coral) !important; color: var(--white) !important; }

/* FOOTER */
footer {
  border-top: 1px solid var(--gray-200);
  padding: 40px 24px;
  font-size: 13px;
  color: var(--gray-400);
}
.footer-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--gray-400); text-decoration: none; }
.footer-links a:hover { color: var(--gray-600); }

/* BADGE */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--coral-light);
  color: var(--coral);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--coral);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* BUTTONS */
.btn-primary {
  display: inline-block;
  padding: 15px 32px;
  background: var(--coral);
  color: var(--white);
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  border-radius: 12px;
  text-decoration: none;
  letter-spacing: -0.2px;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 4px 14px rgba(255, 90, 60, 0.35);
}
.btn-primary:hover { background: var(--coral-dark); box-shadow: 0 6px 20px rgba(255,90,60,0.45); }
.btn-primary:active { transform: scale(0.98); }
.btn-full { width: 100%; text-align: center; padding: 18px; font-size: 17px; }

/* CARDS */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

/* FADE IN */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeIn 0.5s ease forwards;
}
.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.12s; }
.fade-in:nth-child(3) { animation-delay: 0.19s; }
@keyframes fadeIn { to { opacity: 1; transform: translateY(0); } }

/* PROSE (blog) */
.prose {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.prose h1 {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.8px;
  line-height: 1.3;
  margin-bottom: 16px;
}
.prose .meta {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
}
.prose h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.4px;
  margin: 40px 0 14px;
}
.prose h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin: 28px 0 10px;
}
.prose p { font-size: 16px; line-height: 1.8; color: var(--gray-600); margin-bottom: 18px; }
.prose ul, .prose ol { padding-left: 22px; margin-bottom: 18px; }
.prose li { font-size: 16px; line-height: 1.8; color: var(--gray-600); margin-bottom: 6px; }
.prose code {
  background: var(--gray-100);
  color: var(--coral-dark);
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Fira Code', 'Courier New', monospace;
}
.prose pre {
  background: var(--gray-900);
  color: #e5e7eb;
  padding: 20px 24px;
  border-radius: 12px;
  overflow-x: auto;
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.7;
}
.prose pre code { background: none; color: inherit; padding: 0; }
.prose blockquote {
  border-left: 3px solid var(--coral);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--coral-light);
  border-radius: 0 8px 8px 0;
}
.prose blockquote p { color: var(--gray-800); margin-bottom: 0; }
.prose .cta-box {
  background: var(--gray-900);
  color: var(--white);
  border-radius: 16px;
  padding: 32px;
  margin-top: 48px;
  text-align: center;
}
.prose .cta-box h3 { color: var(--white); margin: 0 0 10px; font-size: 18px; }
.prose .cta-box p { color: var(--gray-400); margin-bottom: 20px; font-size: 14px; }

@media (max-width: 560px) {
  .nav-links a:not(.nav-cta) { display: none; }
}