/* 공용 스타일 — 허브와 각 앱 소개 페이지가 함께 씁니다.
   새 앱 페이지는 <body> 의 style 로 --grad, --glow 만 바꿔 브랜드 색을 입힙니다. */

:root {
  --bg: #0f1020;
  --bg-top: #23254a;
  --card: #1b1d36;
  --line: rgba(255, 255, 255, .08);
  --txt: #f1f2f8;
  --muted: #a9adc4;
  --grad: linear-gradient(90deg, #ffd54a, #ff8a00);   /* 앱마다 덮어씀 */
  --glow: rgba(255, 138, 0, .25);
}

* { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 800px at 50% -10%, var(--bg-top) 0%, var(--bg) 55%);
  color: var(--txt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px }
.accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent }

/* 상단 바 */
nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; gap: 16px }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem }
.brand img { width: 34px; height: 34px; border-radius: 9px }
.nav-links { display: flex; gap: 22px; font-size: .95rem; color: var(--muted); white-space: nowrap }
.nav-links a:hover { color: var(--txt) }
@media (max-width:640px) { .nav-links { gap: 14px; font-size: .88rem } }
@media (max-width:420px) { .nav-links a.hide-sm { display: none } }

/* 히어로 */
.hero { text-align: center; padding: 60px 0 40px }
.hero .app-icon { width: 120px; height: 120px; border-radius: 27px; box-shadow: 0 20px 50px var(--glow) }
.hero h1 { font-size: clamp(2.4rem, 7vw, 3.6rem); font-weight: 900; margin: 24px 0 6px; letter-spacing: -1px }
.hero .tagline { font-size: clamp(1.1rem, 3.5vw, 1.5rem); font-weight: 700 }
.hero .sub { color: var(--muted); margin-top: 14px; max-width: 580px; margin-left: auto; margin-right: auto }

/* 버튼 */
.cta { display: inline-flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; justify-content: center }
.btn { padding: 13px 24px; border-radius: 14px; font-weight: 700; font-size: 1rem; border: 1px solid var(--line); transition: .2s }
.btn-primary { background: var(--grad); color: #14121f; border: none }
.btn-primary:hover { filter: brightness(1.07); transform: translateY(-2px) }
.btn-ghost { background: rgba(255, 255, 255, .04); color: var(--txt) }
.btn-ghost:hover { background: rgba(255, 255, 255, .1) }

/* 섹션 */
section { padding: 54px 0 }
.sec-title { text-align: center; font-size: clamp(1.6rem, 5vw, 2.2rem); font-weight: 800; margin-bottom: 8px }
.sec-desc { text-align: center; color: var(--muted); margin-bottom: 40px }

/* 카드 그리드 */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr) }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr) }
@media (max-width:860px) { .grid, .grid.cols-3 { grid-template-columns: repeat(2, 1fr) } }
@media (max-width:480px) { .grid, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr } }

.feat { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px 18px; text-align: center }
.feat img { width: 100%; max-width: 230px; border-radius: 18px; margin: 0 auto 16px; display: block; box-shadow: 0 12px 30px rgba(0, 0, 0, .45) }
.feat.showcase img { max-width: 310px }        /* 한 장을 크게 보여줄 때 */
.feat.middle { display: flex; flex-direction: column; justify-content: center }
.feat .emoji { font-size: 1.6rem }
.feat h3 { font-size: 1.15rem; margin: 10px 0 6px }
.feat p { color: var(--muted); font-size: .92rem }

/* 앱 카드 (허브) */
.app-card { display: flex; gap: 16px; align-items: center; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 20px; transition: .2s }
.app-card:hover { transform: translateY(-3px); border-color: rgba(255, 255, 255, .18) }
.app-card img { width: 64px; height: 64px; border-radius: 15px; flex-shrink: 0 }
.app-card h3 { font-size: 1.15rem; margin-bottom: 4px }
.app-card p { color: var(--muted); font-size: .92rem }
.app-card .tag { display: inline-block; margin-top: 8px; font-size: .78rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px }
/* 아이콘 이미지가 없는 항목(웹 게임 등)은 이모지 상자로 대신합니다 */
.app-card .emblem-box { width: 64px; height: 64px; border-radius: 15px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 2rem;
  background: rgba(255, 255, 255, .06); border: 1px solid var(--line) }

/* 칩 */
.chips { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 10px }
.chip { background: rgba(255, 255, 255, .05); border: 1px solid var(--line); border-radius: 999px;
  padding: 12px 20px; font-weight: 600; font-size: .95rem }
.chip b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent }

/* 안내 박스 */
.promo { background: linear-gradient(135deg, #241a12, #1a1430); border: 1px solid var(--line);
  border-radius: 24px; padding: 38px 28px; text-align: center }
.promo .emblem { font-size: 2.6rem }
.promo h3 { font-size: 1.5rem; margin: 8px 0 6px }
.promo p { color: var(--muted); margin-bottom: 22px }

/* 모든 앱·게임 페이지가 같은 모양으로 끝나는 "홈으로" 바 */
.home-bar { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap;
  border: 1px solid var(--line); border-radius: 18px; padding: 20px 24px;
  background: rgba(255, 255, 255, .03); text-align: center }
.home-bar p { color: var(--muted); font-size: .95rem }
.home-bar .btn { padding: 11px 20px; font-size: .95rem }

/* 본문 페이지 (개인정보 처리방침 등) */
.doc { max-width: 760px; margin: 0 auto; padding: 10px 20px 80px }
.doc h1 { font-size: 1.7rem; margin-top: 1.4em }
.doc h2 { font-size: 1.15rem; margin-top: 2em }
.doc p, .doc li { color: #d7d9e6 }
.doc ul { padding-left: 1.2em; margin-top: .4em }
.doc .muted { color: var(--muted); font-size: .9rem }
.doc hr { border: none; border-top: 1px solid var(--line); margin: 3em 0 }
.doc table { width: 100%; border-collapse: collapse; margin-top: .8em; font-size: .93rem }
.doc th, .doc td { border: 1px solid var(--line); padding: 9px 12px; text-align: left }
.doc th { background: rgba(255, 255, 255, .04) }
.back-link { display: inline-flex; align-items: center; gap: 6px; margin: 8px 0 20px;
  padding: 9px 16px; border-radius: 10px; font-size: .95rem; font-weight: 600;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .05); transition: .15s }
.back-link:hover { background: rgba(255, 255, 255, .12) }

/* 푸터 */
footer { border-top: 1px solid var(--line); padding: 36px 0 60px; color: var(--muted); font-size: .9rem; text-align: center }
footer a { color: var(--muted) }
footer a:hover { color: var(--txt) }
.foot-links { display: flex; gap: 20px; justify-content: center; margin-bottom: 14px; flex-wrap: wrap }