/* ============================================================
   HWANSIX — 프로그램 · 자료 다운로드 포털 공통 테마
   ============================================================ */

@import url('https://cdn.jsdelivr.net/npm/pretendard@1.3.9/dist/web/variable/pretendardvariable.min.css');

:root {
  --bg-0: #0b0e13;
  --bg-1: #10141b;
  --bg-card: #12161f;
  --bg-card-hover: #151a24;
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.24);
  --mint: #2dd4bf;
  --mint-2: #14b8a6;
  --cyan: #38bdf8;
  --amber: #f4b740;
  --text: #e7ebf1;
  --text-dim: #99a3b3;
  --text-faint: #616b7a;
  --radius: 0.85rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-0);
  background-image:
    radial-gradient(60rem 40rem at 15% -10%, rgba(45, 212, 191, 0.07), transparent 60%),
    radial-gradient(50rem 36rem at 100% 0%, rgba(56, 189, 248, 0.05), transparent 55%),
    linear-gradient(rgba(45, 212, 191, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.05) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
  background-position: 0 0, 0 0, -1px -1px, -1px -1px;
  color: var(--text);
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

/* faint grain so flat dark areas don't look like a plain AI gradient */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 아이콘 ---------- */
.icon { width: 1.15em; height: 1.15em; display: inline-block; vertical-align: -0.18em; flex-shrink: 0; }
.icon-fill { fill: currentColor; stroke: none; }

/* ---------- 로고 ---------- */
.logo-mark { width: 2.15rem; height: 2.15rem; flex-shrink: 0; }

/* ---------- 그라디언트 텍스트 (절제해서 사용) ---------- */
.text-gradient {
  background: linear-gradient(115deg, var(--mint) 10%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 카드 ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s ease, background-color .2s ease, transform .25s cubic-bezier(.16,1,.3,1), box-shadow .25s ease;
}
.card-hover:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px -20px rgba(0,0,0,.6);
}

/* ---------- 아이콘 타일 (카드 상단 아이콘) ---------- */
.icon-tile {
  width: 2.75rem; height: 2.75rem; border-radius: 0.65rem;
  display: grid; place-items: center;
  background: rgba(45, 212, 191, 0.09);
  border: 1px solid rgba(45, 212, 191, 0.16);
  color: var(--mint);
}
.icon-tile.amber { background: rgba(244, 183, 64, 0.09); border-color: rgba(244, 183, 64, 0.18); color: var(--amber); }
.icon-tile .icon { width: 1.35rem; height: 1.35rem; }

/* ---------- 버튼 ---------- */
.btn-mint {
  background: linear-gradient(120deg, var(--mint), var(--mint-2));
  color: #052420;
  font-weight: 600;
  border-radius: .6rem;
  transition: filter .2s, transform .2s;
  display: inline-flex; align-items: center; gap: .4rem;
}
.btn-mint:hover { filter: brightness(1.07); transform: translateY(-1px); }

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: .6rem;
  transition: background .2s, border-color .2s;
  display: inline-flex; align-items: center; gap: .4rem;
}
.btn-ghost:hover { background: rgba(148,163,184,.07); border-color: rgba(148,163,184,.4); }

/* ---------- 등장 애니메이션 ---------- */
.reveal { animation: reveal .55s cubic-bezier(.16,1,.3,1) both; }
@keyframes reveal { from { opacity:0; transform: translateY(14px);} to {opacity:1; transform:none;} }

/* ---------- 상태/포맷 뱃지 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: .38rem;
  font-size: .72rem; font-weight: 500;
  padding: .22rem .62rem; border-radius: 999px;
  background: rgba(45,212,191,.10); color: var(--mint);
  border: 1px solid rgba(45,212,191,.22);
}
.badge .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.badge.muted { background: rgba(148,163,184,.08); color: var(--text-dim); border-color: rgba(148,163,184,.2); }
.badge.amber { background: rgba(244,183,64,.10); color: var(--amber); border-color: rgba(244,183,64,.22); }

.chip {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .7rem; font-weight: 500; color: var(--text-faint);
  padding: .18rem .5rem; border-radius: .4rem;
  background: rgba(148,163,184,.07); border: 1px solid var(--border);
}

/* ---------- 섹션 라벨 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .78rem; font-weight: 600; letter-spacing: .06em;
  color: var(--mint); text-transform: uppercase;
}

/* ---------- 네비게이션 ---------- */
.nav-link { color: var(--text-dim); transition: color .15s; }
.nav-link:hover { color: var(--text); }
.nav-link[aria-current="page"] { color: var(--mint); font-weight: 600; }

/* ---------- 빈 상태 ---------- */
.empty-state {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--text-faint);
}

/* scrollbar 살짝 다듬기 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148,163,184,.18); border-radius: 999px; border: 2px solid var(--bg-0); }
::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,.3); }