/* ===========================================================
   로또번호 생성기 3D — 공용 스타일
   색상 토큰
   --navy      : #0B1B33  (베이스 배경, 추첨방송 야간 톤)
   --navy-deep : #061121  (더 짙은 배경, 카드 음영)
   --cream     : #F7F4EC  (본문 텍스트/라이트 영역)
   --gold      : #E8B64C  (메인 악센트 — 1등 상금/트로피 톤)
   --gold-soft : #F4D78C
   --ball-yellow: #FBC02D (1~10 구간)
   --ball-blue  : #3B82F6 (11~20 구간)
   --ball-red   : #EF5350 (21~30 구간)
   --ball-gray  : #9CA3AF (31~40 구간)
   --ball-green : #66BB6A (41~45 구간)
   =========================================================== */

:root {
  --navy: #0B1B33;
  --navy-deep: #061121;
  --navy-soft: #142a4d;
  --cream: #F7F4EC;
  --cream-dim: #C9C5B8;
  --gold: #E8B64C;
  --gold-soft: #F4D78C;
  --ball-yellow: #FBC02D;
  --ball-blue: #3B82F6;
  --ball-red: #EF5350;
  --ball-gray: #9CA3AF;
  --ball-green: #66BB6A;

  --serif: "Noto Serif KR", "Nanum Myeongjo", serif;
  --sans: "Noto Sans KR", -apple-system, "Apple SD Gothic Neo", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--navy);
  color: var(--cream);
  font-family: var(--sans);
  scroll-behavior: smooth;
}

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

img { max-width: 100%; display: block; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 27, 51, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232, 182, 76, 0.18);
}

.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.nav-brand .brand-ball {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, var(--gold-soft), var(--gold) 60%, #b9893a 100%);
  box-shadow: inset 0 -3px 6px rgba(0,0,0,0.25), 0 1px 4px rgba(0,0,0,0.4);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
  color: var(--cream-dim);
}

.nav-links a:hover { color: var(--gold-soft); }

.nav-cta {
  background: var(--gold);
  color: var(--navy-deep);
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
  white-space: nowrap;
}

.nav-cta:hover { background: var(--gold-soft); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(232, 182, 76, 0.14);
  padding: 40px 24px 60px;
  margin-top: 80px;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 0.86rem;
  color: var(--cream-dim);
}

.footer-links a:hover { color: var(--gold-soft); }

.footer-meta {
  font-size: 0.78rem;
  color: #6c7691;
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: linear-gradient(180deg, var(--gold-soft), var(--gold));
  color: var(--navy-deep);
  box-shadow: 0 8px 24px rgba(232, 182, 76, 0.28);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(232, 182, 76, 0.38); }

.btn-ghost {
  background: transparent;
  border: 1.5px solid rgba(247, 244, 236, 0.28);
  color: var(--cream);
}

.btn-ghost:hover { border-color: var(--gold-soft); color: var(--gold-soft); }

/* ---------- Generic page header (for support / privacy) ---------- */
.page-hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid rgba(232, 182, 76, 0.14);
}

.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 12px;
  color: var(--cream);
}

.page-hero p {
  color: var(--cream-dim);
  font-size: 1.05rem;
  max-width: 640px;
  line-height: 1.7;
}

.prose {
  padding: 48px 0 80px;
  line-height: 1.85;
  font-size: 1rem;
  color: #DCD9CE;
}

.prose h2 {
  font-family: var(--serif);
  color: var(--gold-soft);
  font-size: 1.3rem;
  margin-top: 44px;
  margin-bottom: 14px;
  border-left: 3px solid var(--gold);
  padding-left: 14px;
}

.prose h3 {
  color: var(--cream);
  font-size: 1.05rem;
  margin-top: 28px;
}

.prose p { margin: 12px 0; }

.prose ul { padding-left: 22px; }
.prose li { margin: 8px 0; }

.prose strong { color: var(--gold-soft); }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.92rem;
}

.prose th, .prose td {
  border: 1px solid rgba(247, 244, 236, 0.14);
  padding: 10px 12px;
  text-align: left;
}

.prose th {
  background: rgba(232, 182, 76, 0.08);
  color: var(--gold-soft);
  font-weight: 700;
}

.callout {
  background: rgba(232, 182, 76, 0.08);
  border: 1px solid rgba(232, 182, 76, 0.25);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 24px 0;
}

.callout strong { color: var(--gold); }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .site-footer .container { flex-direction: column; }
}