/* ===================== Tokens ===================== */
:root {
  --bg: #0b0b12;
  --bg-soft: #11111c;
  --surface: #15161f;
  --surface-2: #1b1c28;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f3f3f7;
  --text-dim: #c7c5da;
  --text-mute: #8d8ba6;
  --accent: #7c6cff;
  --accent-2: #6c9bff;
  --grad: linear-gradient(90deg, #a99bff, #6cc4ff);
  --max: 1080px;
  --radius: 18px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

/* ===================== Base ===================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.en { color: var(--text-mute); font-size: 0.92em; }

/* ===================== Navigation ===================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 11, 18, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand-mark {
  width: 18px; height: 18px; border-radius: 6px;
  background: var(--grad);
  box-shadow: 0 0 16px rgba(124, 108, 255, 0.5);
}
.brand-name { font-size: 16px; }
.nav-links { display: flex; gap: 26px; font-size: 14px; color: var(--text-dim); }
.nav-links a { transition: color 0.15s ease; }
.nav-links a:hover { color: var(--text); }

/* ===================== Hero ===================== */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 120% at 80% -10%, #2a2350 0%, #11111c 55%, var(--bg) 100%);
}
.hero-glow {
  position: absolute;
  width: 520px; height: 520px;
  right: -120px; top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 108, 255, 0.45), rgba(124, 108, 255, 0) 70%);
  filter: blur(8px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 120px 24px 130px;
}
.kicker {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.hero-title em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 22px;
  color: var(--text-dim);
  font-size: clamp(15px, 2vw, 17px);
  max-width: 560px;
}
.hero-cta { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 108, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(124, 108, 255, 0.45); }
.btn-ghost { border: 1px solid var(--border-strong); color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-mute); }

/* ===================== Sections ===================== */
.section { padding: 84px 0; border-top: 1px solid var(--border); }
.section-inner { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: -0.02em;
  font-weight: 700;
}
.section-lead {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 16px;
  max-width: 620px;
}
.section-lead a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }

/* ===================== About cards ===================== */
.cards {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.card-icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 18px;
}
.card h3 { font-size: 19px; letter-spacing: -0.01em; }
.card p { margin-top: 10px; color: var(--text-dim); font-size: 15px; }
.card .en { margin-top: 6px; }

/* ===================== Notices ===================== */
.section-notices { background: var(--bg-soft); }
.notice-board {
  margin-top: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.notice-empty { padding: 64px 28px; text-align: center; }
.notice-empty-mark { font-size: 28px; color: var(--text-mute); margin-bottom: 14px; }
.notice-empty-ko { font-size: 17px; color: var(--text); font-weight: 500; }
.notice-empty-en { margin-top: 6px; color: var(--text-mute); font-size: 14px; }

/* Future notice entries */
.notice { padding: 28px; border-bottom: 1px solid var(--border); }
.notice:last-child { border-bottom: none; }
.notice-meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 13px; color: var(--text-mute); margin-bottom: 8px;
}
.notice-tag {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 2px 10px;
  color: var(--text-dim);
}
.notice-title { font-size: 18px; letter-spacing: -0.01em; }
.notice-body { margin-top: 10px; color: var(--text-dim); font-size: 15px; }

/* ===================== Contact ===================== */
.contact-inner { text-align: center; }
.contact-inner .section-lead { margin-left: auto; margin-right: auto; }
.contact-email {
  display: inline-block;
  margin-top: 24px;
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: opacity 0.15s ease;
}
.contact-email:hover { opacity: 0.8; }

/* ===================== Footer ===================== */
.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; }
.footer-name { font-weight: 700; }
.footer-en { font-size: 13px; color: var(--text-mute); }
.footer-meta {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 4px; font-size: 13px; color: var(--text-mute);
}
.footer-meta a { color: var(--text-dim); }
.footer-meta a:hover { color: var(--text); }

/* ===================== Responsive ===================== */
@media (max-width: 720px) {
  .nav-links { gap: 18px; font-size: 13px; }
  .hero-inner { padding: 92px 24px 96px; }
  .section { padding: 64px 0; }
  .cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { align-items: flex-start; }
}
@media (max-width: 420px) {
  .brand-name { font-size: 15px; }
  .nav-links a:first-child { display: none; }
}