/* SNOVAHA 커뮤니티 */
:root {
  --bg: #fdfcff;
  --surface: #ffffff;
  --text-primary: #191f28;
  --text-secondary: #4e5968;
  --text-tertiary: #8b95a1;
  --primary: #3182f6;
  --pink: #f26d9c;
  --purple: #8b6ff2;
  --purple-soft: #efe9ff;
  --blue: #4d8df6;
  --gold: #f5b942;
  --border: #ecebf3;
  --shadow-sm: 0 2px 4px rgba(25, 31, 40, 0.04);
  --shadow-md: 0 6px 16px rgba(25, 31, 40, 0.08);
  --radius: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, 'Apple SD Gothic Neo', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.global-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(253, 252, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(236, 235, 243, 0.7);
  z-index: 100;
}
.nav-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-primary); font-weight: 800; font-size: 17px; letter-spacing: -0.02em; }
.nav-back { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 600; }
.nav-back:hover { color: var(--primary); }

.hero {
  position: relative;
  text-align: center;
  padding: 130px 24px 72px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 25% 20%, rgba(139, 111, 242, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 78% 25%, rgba(242, 109, 156, 0.09) 0%, transparent 55%),
    linear-gradient(180deg, #fbf9ff 0%, #fdfcff 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.hero-eyebrow {
  display: inline-flex;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--purple);
  background: var(--purple-soft);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: 38px; line-height: 1.3; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 18px; }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--purple) 0%, var(--pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .sub { font-size: 16.5px; color: var(--text-secondary); }

.star {
  position: absolute;
  color: var(--gold);
  opacity: 0;
  animation: twinkle 4s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}
@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.6); }
  50% { opacity: 0.85; transform: scale(1.1); }
}

.content { max-width: 860px; margin: 0 auto; padding: 24px 20px 72px; }
.content h2 { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; text-align: center; margin: 48px 0 24px; }

.roadmap-grid, .tips-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.rm-card, .tip-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.rm-card:hover, .tip-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.rm-icon, .tip-icon { font-size: 30px; margin-bottom: 12px; }
.rm-card h3, .tip-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 6px; letter-spacing: -0.01em; }
.rm-card p, .tip-card p { font-size: 14px; color: var(--text-secondary); }
.rm-tag {
  position: absolute;
  top: 18px; right: 18px;
  font-size: 11px;
  font-weight: 800;
  color: var(--purple);
  background: var(--purple-soft);
  padding: 4px 10px;
  border-radius: 999px;
}

.cta-section { text-align: center; margin-top: 24px; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  font-size: 15.5px;
  transition: var(--transition);
}
.btn.primary {
  background: linear-gradient(120deg, var(--pink) 0%, var(--blue) 120%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(242, 109, 156, 0.35);
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(242, 109, 156, 0.45); }
.btn.outline {
  background: var(--surface);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn.outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.site-footer {
  padding: 40px 24px 56px;
  text-align: center;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border);
  font-size: 13px;
  background: var(--surface);
}
.site-footer a { color: var(--text-secondary); text-decoration: none; font-weight: 600; }

@media (min-width: 700px) {
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: repeat(3, 1fr); }
  .hero h1 { font-size: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
