:root {
  --forest: #0e5c4a;
  --forest-deep: #083d32;
  --mint: #3dd6a5;
  --cream: #f3f6f3;
  --ink: #10241c;
  --muted: #4d635b;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Pretendard", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  word-break: keep-all;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.hero {
  background: linear-gradient(180deg, var(--forest) 0%, var(--forest-deep) 100%);
  color: #fff;
  overflow: hidden;
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0 8px;
}

.nav img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.nav strong {
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 0 56px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}

.hero p {
  margin: 0 0 24px;
  color: #d4efe6;
  font-size: 1.15rem;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.hero-art img {
  width: min(420px, 100%);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 800;
  border: 0;
  cursor: pointer;
}

.btn-primary {
  background: var(--mint);
  color: var(--forest-deep);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 48px 0;
}

.card {
  background: var(--card);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid #c5d0cb;
}

.card img {
  width: 120px;
  display: block;
  margin: 0 auto 12px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.crew {
  padding: 8px 0 48px;
}

.crew h2 {
  margin: 0 0 8px;
  letter-spacing: -0.03em;
}

.crew > p {
  margin: 0 0 24px;
  color: var(--muted);
}

.crew-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}

.crew-grid figure {
  margin: 0;
  background: var(--card);
  border: 1px solid #c5d0cb;
  border-radius: 20px;
  padding: 12px 8px 16px;
  text-align: center;
}

.crew-grid img {
  width: 110px;
  height: 110px;
  object-fit: contain;
}

.crew-grid figcaption {
  margin-top: 6px;
  font-weight: 800;
}

.invite {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.invite-card {
  width: min(440px, calc(100% - 32px));
  margin: 32px auto;
  background: #fff;
  color: var(--ink);
  border-radius: 28px;
  padding: 32px 24px 28px;
  text-align: center;
  box-shadow: 0 18px 50px rgba(8, 61, 50, 0.18);
}

.invite-card img {
  width: 140px;
}

.invite-card h1 {
  margin: 8px 0 8px;
  letter-spacing: -0.03em;
  font-size: 1.6rem;
}

.invite-card p {
  color: var(--muted);
}

.invite-card .btn {
  width: 100%;
  margin-top: 8px;
}

.token {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  word-break: break-all;
  background: var(--cream);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--muted);
}

.foot {
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  .hero-grid,
  .features {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    padding-top: 8px;
  }
}