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

:root {
  /* 골드 + 크림 — Pawzzle 게임 버튼(골드 그라데이션) 톤과 동일. */
  --primary: #F59E0B;
  --primary-strong: #D97706;
  --bg-gradient-start: #FFFBF2;
  --bg-gradient-end: #FFFFFF;
  --surface: #FFFFFF;
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --border: rgba(0, 0, 0, 0.08);
  --shadow: rgba(245, 158, 11, 0.14);
  --feature-bg: #FFF7E8;
  --badge-bg: #1A1A1A;
  --badge-text: #FFFFFF;
  --footer-bg: #FBF3E4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #FBBF24;
    --primary-strong: #F59E0B;
    --bg-gradient-start: #131217;
    --bg-gradient-end: #1B1A21;
    --surface: #201F27;
    --text-primary: #F0F0F0;
    --text-secondary: #A0A0A0;
    --text-tertiary: #707070;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: rgba(0, 0, 0, 0.4);
    --feature-bg: #201F27;
    --badge-bg: #F0F0F0;
    --badge-text: #1A1A1A;
    --footer-bg: #0E0D12;
  }
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Hiragino Sans", "Noto Sans KR", "Noto Sans JP", "Malgun Gothic", sans-serif;
  background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 72px 0 28px;
}

@media (min-width: 640px) {
  .hero { padding: 108px 0 40px; }
}

/* 5색 타일 로고 — 게임 홈의 5블록(강아지·고양이·발바닥·뼈다귀·물고기). */
.tiles {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}

/* 앱에 실제로 들어가는 타일 PNG 를 그대로 쓴다. 예전엔 CSS 색 사각형 + 이모지
   였는데, 이모지는 기기마다 그림이 달라 방문자가 보는 게 앱 화면과 다르다
   (애플·구글·삼성이 각자 그린다). 색·모서리·광택이 PNG 안에 이미 있어서
   background 와 border-radius 는 뺐다. */
.tile {
  width: 52px;
  height: 52px;
  display: block;
  filter: drop-shadow(0 6px 18px var(--shadow));
}

@media (min-width: 640px) {
  .tile { width: 60px; height: 60px; }
}

.hero-title {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

@media (min-width: 640px) {
  .hero-title { font-size: 52px; }
}

@media (prefers-color-scheme: dark) {
  .hero-title {
    text-shadow: 0 0 30px rgba(251, 191, 36, 0.35), 0 0 60px rgba(251, 191, 36, 0.12);
  }
}

.hero-tagline {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

@media (min-width: 640px) {
  .hero-tagline { font-size: 24px; }
}

.hero-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
}

/* Features */
.features { padding: 36px 0 60px; }

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 540px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
}

.feature-card {
  background: var(--feature-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
}

.feature-emoji {
  font-size: 32px;
  margin-bottom: 12px;
  display: block;
}

.feature-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Download */
.download {
  text-align: center;
  padding: 40px 0 80px;
}

.download-label {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.download-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.download-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

@media (min-width: 480px) {
  .download-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--badge-bg);
  color: var(--badge-text);
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: opacity 0.2s ease, transform 0.2s ease;
  min-width: 200px;
  justify-content: center;
}

.store-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* 미출시 스토어 — 시각적으로 disabled, 클릭/hover 효과 X */
.store-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.coming-soon-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 12px;
  background: var(--feature-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.store-btn-icon { font-size: 22px; line-height: 1; }

.store-btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.store-btn-small {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.8;
}

.store-btn-name {
  font-size: 16px;
  font-weight: 700;
}

/* Footer */
.footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
}

.footer-lang {
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-lang a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-lang a:hover { color: var(--primary-strong); }

.footer-lang a[aria-current="true"] {
  color: var(--primary-strong);
  font-weight: 700;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--primary-strong); }

.footer-biz {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  line-height: 1.8;
}

.footer-biz a {
  color: var(--text-tertiary);
  text-decoration: none;
}

.footer-biz a:hover { color: var(--primary-strong); }

.footer-copy {
  font-size: 12px;
  color: var(--text-tertiary);
}