/* ================================================================
   포도알줍줍 — 공통 스타일 (메인 · 소개 · 개인정보처리방침 · 가이드)
================================================================ */

:root {
  --bg: #f5f3ff;
  --surface: #ffffff;
  --surface2: #ede9ff;
  --border: rgba(0,0,0,0.09);
  --text: #1a1824;
  --muted: #6b6882;
  --accent: #6c5ce7;
  --accent2: #4f3fba;
  --green: #00a67a;
  --amber: #b86d00;
  --pink: #c92b6a;
  --radius: 16px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: inherit; }

/* ── 배경 그라데이션 ── */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 10%, rgba(108,92,231,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 50% 35% at 80% 80%, rgba(0,180,130,0.07) 0%, transparent 70%);
}

/* ── NAV ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(245,243,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-grape { font-size: 22px; line-height: 1; }
.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo-text span { color: var(--accent2); }

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.on { color: var(--text); }

/* ── 버튼 ── */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s;
  letter-spacing: -0.01em;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border: none;
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(108,92,231,0.4);
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  font-weight: 500;
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--surface2);
  border-color: rgba(0,0,0,0.15);
}

/* ── SECTION ── */
.section {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 24px;
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent2);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-family: 'DM Serif Display', 'Noto Sans KR', serif;
  font-size: clamp(26px, 4.5vw, 40px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
  color: var(--text);
}
.section-title.ko {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 700;
  font-size: clamp(22px, 4vw, 32px);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 0 24px;
  position: relative;
  z-index: 1;
}

/* ── 본문 문서형 페이지 (소개 · 개인정보) ── */
.doc {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 108px 24px 72px;
}
.doc h1 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.doc .doc-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 40px;
}
.doc h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}
.doc p,
.doc li {
  font-size: 15px;
  color: #3a3748;
  line-height: 1.8;
}
.doc p + p { margin-top: 10px; }
.doc ul { padding-left: 20px; margin-top: 8px; }
.doc li + li { margin-top: 4px; }
.doc .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 16px;
}
.doc table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 14px;
}
.doc th,
.doc td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.doc th { background: var(--surface2); font-weight: 600; }
.doc td { background: var(--surface); }

/* ── 광고 / 제휴 영역 ── */
.ad-slot {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.ad-disclosure {
  font-size: 10px;
  color: rgba(0,0,0,0.38);
  margin-top: 6px;
}

/* ── FOOTER ── */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-left { font-size: 13px; color: var(--muted); line-height: 1.6; }
.footer-left strong { color: var(--text); }
.footer-disclaimer {
  font-size: 11px;
  color: rgba(0,0,0,0.38);
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 18px;
  list-style: none;
  font-size: 12px;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text); text-decoration: underline; }

/* ── SCROLL FADE IN ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 600px) {
  .site-nav { padding: 0 16px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 12px; }
  .section { padding: 48px 16px; }
  .doc { padding: 88px 16px 48px; }
  .ad-slot { padding: 0 16px; }
  .site-footer { padding: 24px 16px; flex-direction: column; gap: 12px; }
}
@media (max-width: 380px) {
  .nav-links .nav-hide-xs { display: none; }
}
.doc .ad-disclosure { font-size: 10px; color: rgba(0,0,0,0.38); line-height: 1.5; }