/* 1단계 첫 화면 (앱 화면 없는 최소 홈) — 2단계에서 index.html과 이 파일만 바꿔 끼워요 */
body.home { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; }
.hero {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 64px 24px 48px;
  background:
    radial-gradient(1200px 600px at 20% 110%, rgba(152, 199, 243, .28), transparent 60%),
    radial-gradient(900px 520px at 85% -10%, rgba(46, 175, 159, .22), transparent 60%),
    var(--bg);
}
@media (prefers-color-scheme: dark) {
  .hero {
    background:
      radial-gradient(1200px 600px at 20% 110%, rgba(152, 199, 243, .16), transparent 60%),
      radial-gradient(900px 520px at 85% -10%, rgba(46, 175, 159, .22), transparent 60%),
      linear-gradient(180deg, #0f1a2e, #172c4f);
  }
}
.hero .mark { width: 88px; height: auto; margin-bottom: 26px; }
.hero .mark rect { animation: pop .5s cubic-bezier(.2, .9, .3, 1.3) both; transform-box: fill-box; transform-origin: center; }
.hero .mark rect:nth-child(1) { animation-delay: .00s } .hero .mark rect:nth-child(2) { animation-delay: .06s }
.hero .mark rect:nth-child(3) { animation-delay: .12s } .hero .mark rect:nth-child(4) { animation-delay: .18s }
.hero .mark rect:nth-child(5) { animation-delay: .24s } .hero .mark rect:nth-child(6) { animation-delay: .30s }
.hero .mark rect:nth-child(7) { animation-delay: .36s } .hero .mark rect:nth-child(8) { animation-delay: .42s }
.hero .mark rect:nth-child(9) { animation-delay: .48s } .hero .mark rect:nth-child(10) { animation-delay: .54s }
.hero .mark rect:nth-child(11) { animation-delay: .60s }
@keyframes pop { from { opacity: 0; transform: scale(.4); } to { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .hero .mark rect { animation: none; } }
.hero h1 { margin: 0; font-size: clamp(36px, 9vw, 56px); font-weight: 700; letter-spacing: -0.02em; color: var(--navy); line-height: 1.2; }
.hero .tag {
  margin: 14px 0 0; font-size: clamp(18px, 4.6vw, 24px); font-weight: 600; line-height: 1.45;
  background: linear-gradient(90deg, #5a9fe0, var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
@media (prefers-color-scheme: dark) { .hero .tag { background-image: linear-gradient(90deg, var(--g1), #3cc2b0); } }
.hero .sub { margin: 12px 0 0; max-width: 30em; color: var(--muted); font-size: 16px; }
.hero .soon {
  margin: 30px 0 0; padding: 10px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
  color: #fff; background: linear-gradient(90deg, #172c4f, #0e8173);
}
@media (prefers-color-scheme: dark) { .hero .soon { background: linear-gradient(90deg, #26395e, #2eaf9f); } }