/* 아토즈시스템 웹사이트 공통 스타일 (CI : Navy #0B1F3A · Teal #14B8A6 · Coral #FF6B6B) */
:root {
  --navy: #0B1F3A;
  --navy-2: #13294B;
  --teal: #14B8A6;
  --teal-dark: #0E8F82;
  --coral: #FF6B6B;
  --slate: #4A5A6E;
  --mist: #F1F8F8;
  --line: #E1E7EC;
  --white: #FFFFFF;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--navy);
  font-family: 'Noto Sans KR', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--teal-dark); }
a:hover { color: var(--navy); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- 머리글 */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; }
.brand img { height: 34px; width: auto; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.nav a {
  color: #C9D4E2; text-decoration: none; font-size: 15px; font-weight: 500;
  padding: 8px 12px; border-radius: 8px;
}
.nav a:hover { color: var(--white); background: rgba(255, 255, 255, .08); }
.nav a[aria-current="page"] { color: var(--white); box-shadow: inset 0 -3px 0 var(--teal); border-radius: 0; }

/* ---------- 상단 배너 */
.hero {
  background: var(--navy) url('img/banner.png') center / cover no-repeat;
  color: var(--white);
  padding: 88px 0 96px;
}
.hero.small { padding: 64px 0 68px; }
.hero .eyebrow { color: var(--teal); font-weight: 700; letter-spacing: 4px; font-size: 13px; margin: 0 0 14px; }
.hero h1 { margin: 0; font-size: clamp(30px, 5vw, 48px); line-height: 1.3; font-weight: 900; letter-spacing: -1px; }
.hero p.lead { margin: 18px 0 0; color: #C9D4E2; font-size: clamp(16px, 2.2vw, 19px); max-width: 720px; }

/* ---------- 본문 */
main section { padding: 64px 0; }
main section.alt { background: var(--mist); }
h2 { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.35; margin: 0 0 16px; font-weight: 900; letter-spacing: -.5px; }
h2::before { content: ''; display: block; width: 36px; height: 5px; border-radius: 3px; background: var(--teal); margin-bottom: 16px; }
h3 { font-size: 20px; margin: 32px 0 10px; font-weight: 700; }
p { margin: 0 0 14px; color: #24364F; }
ul, ol { padding-left: 22px; margin: 0 0 16px; color: #24364F; }
li { margin: 6px 0; }
strong { color: var(--navy); }
.muted { color: var(--slate); font-size: 14px; }

figure { margin: 28px 0; }
figure img { width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); }
figcaption { color: var(--slate); font-size: 14px; margin-top: 10px; text-align: center; }

/* 카드 */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 22px;
  text-decoration: none; color: inherit; display: block;
}
a.card:hover { border-color: var(--teal); box-shadow: 0 8px 24px rgba(11, 31, 58, .08); }
.card .tag { display: inline-block; width: 28px; height: 5px; border-radius: 3px; background: var(--teal); margin-bottom: 14px; }
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card p { margin: 0; font-size: 15px; color: var(--slate); }

/* 게임 소개 */
.game { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 8px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 16px; }
.badge { border: 1.5px solid var(--teal); color: var(--teal-dark); border-radius: 999px; padding: 2px 12px; font-size: 13px; font-weight: 700; }

.video { margin: 20px 0 8px; background: #000; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); }
.video video { width: 100%; height: auto; }
.video.portrait { max-width: 360px; }

/* 버튼 */
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 700; text-decoration: none;
  background: var(--teal); color: var(--navy);
}
.btn:hover { background: #2BD0BE; color: var(--navy); }
.btn.ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255, 255, 255, .5); }
.btn.ghost:hover { border-color: var(--white); }

/* 정보 표 (문의) */
.info { width: 100%; border-collapse: collapse; margin: 16px 0; }
.info th, .info td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.info th { width: 160px; color: var(--slate); font-weight: 500; }

/* 방침 */
.policy h3 { font-size: 18px; margin-top: 28px; }
.policy p, .policy li { font-size: 15.5px; }

/* ---------- 바닥글 */
.site-footer { background: var(--navy); color: #9FB0C4; padding: 40px 0; font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: flex-start; }
.site-footer img { height: 30px; width: auto; margin-bottom: 12px; }
.site-footer p { color: #9FB0C4; margin: 2px 0; }
.site-footer a { color: #C9D4E2; text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- 반응형 */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .site-header .wrap { height: auto; padding-top: 10px; padding-bottom: 6px; flex-direction: column; align-items: flex-start; gap: 4px; }
  .brand img { height: 28px; }
  .nav { justify-content: flex-start; margin-left: -12px; }
  .nav a { padding: 6px 10px; font-size: 14px; }
  .hero { padding: 56px 0 60px; }
  main section { padding: 44px 0; }
  .cards { grid-template-columns: minmax(0, 1fr); }
  .info th { width: 110px; }
  .video.portrait { max-width: 100%; }
}