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

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

:root {
  --accent: #1D9E75;
  --accent-light: #E1F5EE;
  --accent-dark: #0F6E56;
  --bg: #ffffff;
  --bg2: #f8f8f6;
  --bg3: #f2f2ef;
  --text1: #1a1a18;
  --text2: #5a5a56;
  --text3: #9a9a94;
  --border: rgba(0,0,0,0.08);
  --border2: rgba(0,0,0,0.13);
  --radius: 10px;
  --radius-lg: 14px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Pretendard', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text1);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── NAV ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; color: var(--text1);
}
.nav-logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
}
.nav-links { display: flex; gap: 2px; }
.nav-links a {
  font-size: 13px; color: var(--text2);
  padding: 6px 12px; border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover { background: var(--bg2); color: var(--text1); }
.nav-links a.active {
  background: var(--bg2); color: var(--text1); font-weight: 500;
}

/* ── LAYOUT ── */
.container { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.page-header { padding: 2.5rem 0 1.5rem; border-bottom: 0.5px solid var(--border); margin-bottom: 2rem; }
.page-title { font-size: 24px; font-weight: 600; margin-bottom: 6px; }
.page-desc { font-size: 14px; color: var(--text2); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 500; font-family: inherit;
  cursor: pointer; transition: all 0.15s; border: 0.5px solid var(--border2);
  background: var(--bg); color: var(--text2);
}
.btn:hover { background: var(--bg2); }
.btn-accent {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

/* ── FOOTER ── */
.footer {
  border-top: 0.5px solid var(--border);
  padding: 1.5rem 24px;
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 3rem;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 12px; color: var(--text3); }
.footer-links a:hover { color: var(--text2); }
.footer-copy { font-size: 12px; color: var(--text3); }

/* ── AD SLOTS ── */
.ad-slot {
  background: var(--bg2); border: 0.5px dashed var(--border2);
  border-radius: var(--radius); padding: 16px;
  text-align: center; margin: 1.5rem 0;
}
.ad-slot p { font-size: 11px; color: var(--text3); }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .nav-links a { padding: 6px 8px; font-size: 12px; }
  .container { padding: 0 16px; }
  .page-title { font-size: 20px; }
}