:root {
  --red: #BA0C2F;
  --black: #000000;
  --gray-bg: #f5f5f5;
  --text: #222;
  --muted: #777;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

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

/* ===== Header ===== */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
}
.top-bar .sub-logo { font-size: 11px; color: #999; line-height: 1.2; }
.top-bar .logo { font-size: 22px; font-weight: 700; color: var(--black); }
.top-bar .logo .mark { color: var(--red); }

nav.main-nav {
  background: linear-gradient(90deg, var(--red) 0%, var(--black) 60%);
}
nav.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 48px;
  margin: 0;
  padding: 14px 0;
}
nav.main-nav a { color: #fff; font-size: 15px; font-weight: 500; }

.page-title-bar {
  padding: 12px 40px;
  border-bottom: 1px solid #eee;
  font-size: 14px;
  color: var(--muted);
}

/* ===== Hero ===== */
.hero {
  background: #111 url('') center/cover;
  color: #fff;
  padding: 120px 40px;
}
.hero h1 { font-size: 40px; margin: 0 0 16px; }
.hero p { max-width: 560px; color: #ddd; }
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background: #fff;
  color: var(--black);
  font-weight: 600;
  border-radius: 2px;
}
.btn.primary { background: var(--red); color: #fff; }

section { padding: 64px 40px; max-width: 1100px; margin: 0 auto; }
.eyebrow { color: var(--red); font-size: 13px; letter-spacing: 1px; text-align: center; display: block; }
.section-title { text-align: center; font-size: 26px; margin: 8px 0 40px; }

/* ===== Board (list) ===== */
.board-title { font-size: 26px; text-align: center; margin: 40px 0; }
.board-list { list-style: none; padding: 0; margin: 0 auto; max-width: 900px; }
.board-list li {
  border-bottom: 1px solid #eee;
  padding: 18px 4px;
}
.board-list li a { font-size: 16px; font-weight: 500; }
.board-list .meta { color: var(--muted); font-size: 13px; margin-top: 4px; }
.board-empty { text-align: center; color: var(--muted); padding: 60px 0; }

.board-detail { max-width: 900px; margin: 0 auto; padding: 40px 0; }
.board-detail h2 { font-size: 24px; }
.board-detail .meta { color: var(--muted); font-size: 13px; margin-bottom: 24px; border-bottom: 1px solid #eee; padding-bottom: 16px; }
.board-detail .content img { max-width: 100%; }
.back-link { display: inline-block; margin-top: 32px; color: var(--red); font-weight: 600; }

/* ===== Contact form ===== */
.contact-form { max-width: 700px; margin: 0 auto; }
.contact-form label { display: block; font-weight: 600; margin: 20px 0 8px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 2px; font-size: 14px;
}
.contact-form textarea { min-height: 140px; }
.contact-form .consent { display: flex; align-items: flex-start; gap: 8px; margin-top: 20px; font-size: 13px; color: var(--muted); }
.contact-form button {
  margin-top: 28px; padding: 14px 40px; background: var(--black); color: #fff; border: none; border-radius: 2px; font-size: 15px; cursor: pointer;
}
.contact-form button:hover { background: var(--red); }
.form-msg { margin-top: 16px; font-size: 14px; }

/* ===== Footer ===== */
footer { background: #fafafa; border-top: 1px solid #eee; padding: 48px 40px 24px; margin-top: 60px; }
.footer-cols { display: flex; gap: 60px; flex-wrap: wrap; max-width: 1100px; margin: 0 auto; }
.footer-cols h4 { font-size: 14px; margin: 0 0 12px; }
.footer-cols a { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.footer-bottom { max-width: 1100px; margin: 32px auto 0; font-size: 12px; color: var(--muted); border-top: 1px solid #eee; padding-top: 20px; }

/* ===== Popup ===== */
.popup-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center; z-index: 999;
}
.popup-box {
  background: #fff; max-width: 420px; width: 90%; border-radius: 4px; overflow: hidden;
}
.popup-box img { width: 100%; display: block; }
.popup-box .popup-body { padding: 24px; }
.popup-box .popup-close-row {
  display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; border-top: 1px solid #eee;
}
.popup-box .popup-close-row button { background: none; border: none; cursor: pointer; font-size: 13px; color: var(--muted); }

@media (max-width: 640px) {
  nav.main-nav ul { flex-wrap: wrap; gap: 20px; padding: 12px 20px; }
  .top-bar { padding: 12px 20px; }
  section { padding: 40px 20px; }
  .footer-cols { gap: 30px; }
}