* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #FDF5EC;
  color: #3D2008;
  line-height: 1.7;
}

/* ── Top Nav ── */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253,245,236,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1.5px solid #F5DDB8;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.top-nav-home {
  font-size: 1rem;
  font-weight: 900;
  color: #6B3A1F;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.top-nav-links {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.top-nav-links::-webkit-scrollbar { display: none; }
.top-nav-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: #A0795A;
  text-decoration: none;
  padding: 5px 12px;
  border-radius: 20px;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.top-nav-link:hover { background: rgba(160,98,46,0.1); color: #6B3A1F; }
.top-nav-link.active { background: #A0622E; color: #fff; }

/* ── Hero ── */
.hero {
  background: linear-gradient(160deg, #FFF0D8 0%, #FDDCAC 50%, #F8C880 100%);
  text-align: center;
  padding: 90px 24px 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(255,200,100,0.25) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,220,150,0.2) 0%, transparent 50%);
  pointer-events: none;
}
.hero-logo {
  font-size: 80px;
  margin-bottom: 20px;
  display: inline-block;
  filter: drop-shadow(0 4px 12px rgba(180,100,20,0.25));
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.hero h1 {
  font-size: 2.6rem;
  font-weight: 900;
  color: #6B3A1F;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 8px rgba(180,100,20,0.12);
}
.hero p {
  font-size: 1.1rem;
  color: #8B5523;
  max-width: 480px;
  margin: 0 auto 36px;
  font-weight: 500;
}
.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 1rem; font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  letter-spacing: -0.2px;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(107,58,31,0.25); }
.btn-primary {
  background: linear-gradient(135deg, #7B4520, #A0622E);
  color: #FFF8F0;
  box-shadow: 0 4px 14px rgba(107,58,31,0.3);
}
.btn-secondary {
  background: rgba(255,255,255,0.85);
  color: #7B4520;
  border: 2px solid rgba(123,69,32,0.4);
  backdrop-filter: blur(8px);
}

/* ── Section common ── */
section { padding: 72px 24px; }
.section-title {
  text-align: center;
  font-size: 1.7rem;
  font-weight: 900;
  color: #6B3A1F;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.section-sub {
  text-align: center;
  font-size: 0.95rem;
  color: #A0795A;
  margin-bottom: 44px;
  font-weight: 500;
}
.container { max-width: 940px; margin: 0 auto; }

/* ── 섹션 탐색 카드 (index) ── */
.sections-nav { background: linear-gradient(160deg, #FFF4E0 0%, #FDEBD0 100%); }
.section-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.section-card {
  display: block;
  text-decoration: none;
  background: linear-gradient(145deg, #FFFAF3, #FFF2DE);
  border: 1.5px solid #F5DDB8;
  border-radius: 20px;
  padding: 28px 18px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(180,100,20,0.07);
  transition: transform 0.2s, box-shadow 0.2s;
}
.section-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(180,100,20,0.15);
}
.sc-icon { font-size: 36px; margin-bottom: 10px; }
.sc-title { font-size: 0.95rem; font-weight: 900; color: #6B3A1F; margin-bottom: 6px; }
.sc-desc { font-size: 0.78rem; color: #A0795A; line-height: 1.5; }

/* ── 기본 기능 ── */
.features { background: #FDF5EC; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.feature-card {
  background: linear-gradient(145deg, #FFFAF3, #FFF2DE);
  border-radius: 20px;
  padding: 34px 22px;
  text-align: center;
  border: 1.5px solid #F5DDB8;
  box-shadow: 0 4px 16px rgba(180,100,20,0.07);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(180,100,20,0.13);
}
.feature-icon { font-size: 42px; margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 800; margin-bottom: 8px; color: #6B3A1F; }
.feature-card p { font-size: 0.86rem; color: #9B7252; line-height: 1.6; }

/* ── How it works ── */
.how { background: linear-gradient(160deg, #FFF4E0 0%, #FDEBD0 100%); }
.steps { display: flex; flex-direction: column; gap: 24px; }
.step {
  display: flex; align-items: flex-start; gap: 20px;
  background: rgba(255,255,255,0.65);
  border-radius: 16px;
  padding: 22px 26px;
  border: 1.5px solid rgba(245,200,140,0.5);
  backdrop-filter: blur(6px);
}
.step-num {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #A0622E, #C8813A);
  color: #FFF8F0;
  font-size: 1.1rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(160,98,46,0.35);
}
.step-body h3 { font-size: 1rem; font-weight: 800; color: #6B3A1F; margin-bottom: 4px; }
.step-body p { font-size: 0.88rem; color: #9B7252; }

/* ── Update label ── */
.update-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #A0622E, #C8813A);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}
.update-label.v3 {
  background: linear-gradient(135deg, #1a2d1a, #2d5a2d);
  border: 1px solid #4ade80;
  color: #4ade80;
}
.update-label.v4 {
  background: linear-gradient(135deg, #4c1d95, #7c3aed);
  border: 1px solid #a78bfa;
  color: #e9d5ff;
}
.update-label.v5 {
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  border: 1px solid #60a5fa;
  color: #bfdbfe;
}

/* ── nf-card grid ── */
.nf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.nf-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(180,100,20,0.09);
  border: 1.5px solid #F5DDB8;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nf-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(180,100,20,0.15);
}
.nf-header {
  padding: 20px 22px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nf-header-icon { font-size: 28px; }
.nf-header-title { font-size: 1rem; font-weight: 900; color: #fff; flex: 1; }
.nf-body { padding: 18px 22px 22px; }
.nf-desc {
  font-size: 0.87rem;
  color: #6B3A1F;
  margin-bottom: 14px;
  line-height: 1.65;
}
.nf-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.nf-list li {
  font-size: 0.84rem;
  color: #7B5230;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nf-list li::before {
  content: '✓';
  font-weight: 900;
  font-size: 0.78rem;
  color: #A0622E;
  flex-shrink: 0;
}

/* ── 관계 레벨 테이블 ── */
.relation-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.82rem;
}
.relation-table th {
  background: #f5ece0;
  color: #7B5230;
  font-weight: 800;
  padding: 7px 10px;
  text-align: left;
}
.relation-table td {
  padding: 7px 10px;
  border-bottom: 1px solid #f0e4d4;
  color: #6B3A1F;
}
.relation-table tr:last-child td { border-bottom: none; }

/* ── 랭킹 미리보기 ── */
.rank-preview { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.rank-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: #1a1a1a;
  border-radius: 10px;
  font-size: 0.82rem;
}
.rank-medal { font-size: 18px; width: 24px; text-align: center; }
.rank-name { color: #fff; font-weight: 700; flex: 1; }
.rank-bar-wrap { width: 80px; background: #333; border-radius: 4px; height: 6px; overflow: hidden; }
.rank-bar { height: 100%; background: #4ade80; border-radius: 4px; }
.rank-pct { color: #4ade80; font-size: 0.78rem; font-weight: 700; min-width: 36px; text-align: right; }
.rank-me { border: 1px solid #4ade80; }

/* ── 감정 이모지 ── */
.mood-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.mood-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(176,212,255,0.15);
  border: 1px solid rgba(176,212,255,0.35);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.82rem;
  color: #5a8fc2;
  font-weight: 600;
}

/* ── 핀 범례 ── */
.pin-legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; }
.pin-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: #7B5230;
  font-weight: 600;
}
.pin-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }

/* ── 템플릿 칩 ── */
.tmpl-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.tmpl-chip {
  font-size: 0.76rem; font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  color: #fff;
}

/* ── 스트릭 배너 ── */
.streak-preview {
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
  border-radius: 12px;
  padding: 14px 18px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.streak-fire { font-size: 28px; }
.streak-text h4 { color: #f59e0b; font-size: 0.92rem; font-weight: 800; }
.streak-text p { color: #aaa; font-size: 0.78rem; }

/* ── 파티클 데모 ── */
.particle-row { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 14px; align-items: center; }
.p-dot { width: 12px; height: 12px; border-radius: 50%; box-shadow: 0 2px 6px rgba(0,0,0,0.18); }
.p-label { font-size: 0.76rem; color: #9B7252; margin-left: 4px; font-weight: 600; }

/* ── 이정표 미리보기 ── */
.milestone-preview {
  margin-top: 12px;
  background: linear-gradient(135deg, #fffbf0, #fff3cc);
  border: 1.5px solid #f0c040;
  border-radius: 14px;
  padding: 16px 18px;
  text-align: center;
}
.milestone-preview .ms-emoji { font-size: 34px; }
.milestone-preview .ms-title { font-size: 0.92rem; font-weight: 900; color: #7B4520; margin: 6px 0 2px; }
.milestone-preview .ms-sub { font-size: 0.78rem; color: #A0795A; }
.ms-share-row { display: flex; justify-content: center; gap: 8px; margin-top: 10px; }
.ms-share-btn {
  font-size: 0.72rem; font-weight: 700;
  padding: 4px 12px; border-radius: 20px;
  background: rgba(123,69,32,0.1); color: #7B4520;
  border: 1px solid rgba(123,69,32,0.25);
}

/* ── 추억 카드 미리보기 ── */
.memory-card-preview {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  border-radius: 12px;
  padding: 14px 18px;
  margin-top: 12px;
  border: 1px solid #4338ca;
}
.memory-card-preview .mc-year { color: #818cf8; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px; }
.memory-card-preview .mc-title { color: #fff; font-size: 0.92rem; font-weight: 800; margin: 4px 0 2px; }
.memory-card-preview .mc-location { color: #a5b4fc; font-size: 0.78rem; }
.memory-card-preview .mc-mood { margin-top: 8px; font-size: 0.82rem; }

/* ── 빵지도 미리보기 ── */
.breadmap-preview { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.bm-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 13px;
  background: #fffbf0;
  border-radius: 10px;
  border: 1px solid #f0d080;
  font-size: 0.82rem;
}
.bm-icon { font-size: 15px; width: 20px; text-align: center; }
.bm-type { color: #8B5523; font-weight: 700; min-width: 60px; }
.bm-place { color: #6B3A1F; font-weight: 600; flex: 1; }
.bm-count { color: #A0795A; font-size: 0.75rem; }

/* ── 타임라인 UX 미리보기 ── */
.timeline-preview { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.tl-header-demo {
  padding: 7px 12px;
  background: #FFF9F2;
  border-radius: 8px;
  border: 1px solid #F5DDB8;
  font-size: 0.78rem; font-weight: 800;
  color: #8B5523;
  display: flex; align-items: center; gap: 6px;
}
.tl-card-demo {
  padding: 9px 13px;
  background: #fff;
  border-radius: 10px;
  border: 1.5px solid #F5DDB8;
  font-size: 0.80rem;
  color: #6B3A1F;
  display: flex; align-items: center; gap: 10px;
}
.tl-card-demo .tl-status { font-size: 16px; }
.tl-card-demo .tl-info { flex: 1; }
.tl-card-demo .tl-title { font-weight: 700; }
.tl-card-demo .tl-date { font-size: 0.72rem; color: #A0795A; }
.tl-pulse-badge {
  font-size: 0.68rem; font-weight: 800;
  padding: 2px 8px; border-radius: 10px;
  background: linear-gradient(135deg, #FF9A3C, #FF6B35);
  color: #fff;
}

/* ── 미션 ── */
.missions { background: #FDF5EC; }
.missions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}
.mission-card {
  background: linear-gradient(145deg, #FFFAF3, #FFF2DE);
  border: 1.5px solid #F5DDB8;
  border-radius: 16px;
  padding: 26px 14px;
  text-align: center;
  box-shadow: 0 3px 12px rgba(180,100,20,0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}
.mission-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(180,100,20,0.12);
}
.mission-card .icon { font-size: 32px; margin-bottom: 10px; }
.mission-card .name { font-size: 0.87rem; font-weight: 800; color: #6B3A1F; }
.mission-card .desc { font-size: 0.76rem; color: #A0795A; margin-top: 4px; }

/* ── Download ── */
.download {
  background: linear-gradient(135deg, #7B4520 0%, #A8652E 50%, #C8813A 100%);
  color: #FFF8F0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.download::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,220,150,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.download .section-title { color: #FFF8F0; }
.download .section-sub { color: rgba(255,240,210,0.8); }
.download .btn-primary {
  background: #FFF8F0;
  color: #7B4520;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.download .btn-secondary {
  background: rgba(255,255,255,0.15);
  color: #FFF8F0;
  border-color: rgba(255,240,210,0.5);
  backdrop-filter: blur(8px);
}

/* ── 페이지 하단 이동 네비 ── */
.page-footer-nav {
  background: #FDF5EC;
  border-top: 1.5px solid #F5DDB8;
  padding: 28px 24px;
}
.page-footer-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.pf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  color: #7B4520;
  background: linear-gradient(145deg, #FFFAF3, #FFF2DE);
  border: 1.5px solid #F5DDB8;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pf-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(180,100,20,0.12); }
.pf-btn.pf-next {
  background: linear-gradient(135deg, #A0622E, #C8813A);
  color: #fff;
  border-color: transparent;
}

/* ── Footer ── */
footer {
  background: #2C160A;
  color: rgba(255,235,200,0.45);
  text-align: center;
  padding: 36px 24px;
  font-size: 0.84rem;
  line-height: 2;
}
footer a { color: rgba(255,220,160,0.65); text-decoration: none; transition: color 0.15s; }
footer a:hover { color: #FDDCAC; }
.footer-contact {
  margin-top: 10px;
  font-size: 0.88rem;
  color: rgba(255,220,160,0.7);
}