/* Atlassian 홈 구조 참고: 메가메뉴 GNB → 서비스 고르는 히어로 → 서비스별 섹션 → 함께 쓰기 → 대상별 탭 → 마무리 CTA */
:root{
  --bg:#ffffff; --bg2:#f4f6fa; --fg:#172033; --muted:#5b6578; --line:#dfe3ea;
  --prom:#1f5fd1; --prom-bg:#e8f0ff; --tips:#11845b; --tips-bg:#e3f5ec; --ink:#0b1a3a;
  --font:"Pretendard",-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{text-wrap:balance;color:var(--ink);margin:0}
h1{font-size:clamp(36px,6vw,60px);line-height:1.15;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(26px,3.6vw,38px);line-height:1.25;letter-spacing:-.015em;font-weight:800}
h3{font-size:20px;font-weight:700}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
:focus-visible{outline:3px solid var(--prom);outline-offset:2px;border-radius:4px}

.sq{display:inline-block;width:14px;height:14px;border-radius:4px;flex-shrink:0}
.sq.prom{background:var(--prom)} .sq.tips{background:var(--tips)}

/* GNB */
.gnb{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.gnb-in{max-width:1160px;margin:0 auto;height:64px;display:flex;align-items:center;gap:28px;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
.brand{font-weight:900;font-size:22px;letter-spacing:.02em;color:var(--prom)}
.gnb-nav{display:flex;align-items:center;gap:22px;font-weight:600;font-size:15px}
.gnb-nav>a:hover,.dd-btn:hover{color:var(--prom)}
.dd{position:relative}
.dd-btn{font:inherit;font-weight:600;background:none;border:0;color:inherit;cursor:pointer;padding:6px 0}
.mega{position:absolute;top:calc(100% + 14px);left:-20px;width:600px;max-width:calc(100vw - 32px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px rgba(11,26,58,.14);display:grid;grid-template-columns:1.2fr 1fr;overflow:hidden}
.mega-col{padding:18px;display:flex;flex-direction:column;gap:4px}
.mega-col.side{background:var(--bg2)}
.mega-h{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.06em;margin:0 0 6px 10px}
.mega-item{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:8px}
.mega-item .sq{margin-top:5px}
.mega-item:hover{background:var(--prom-bg)}
.mega-item b{display:block;font-size:15px}
.mega-item small{display:block;color:var(--muted);font-weight:500;font-size:13px}
.gnb-act{margin-left:auto;display:flex;align-items:center;gap:16px;font-weight:600;font-size:15px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:6px;font-size:18px;padding:4px 10px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:12px 22px;font-weight:700;font-size:16px;border:2px solid transparent;transition:filter .15s}
.btn:hover{filter:brightness(.92)}
.btn.sm{padding:8px 16px;font-size:14px}
.btn.pri{background:var(--prom);color:#fff}
.btn.tips{background:var(--tips);color:#fff}
.btn.line{border-color:var(--line);color:var(--fg);background:#fff}
.row-btn{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.row-btn.center{justify-content:center}

/* hero */
.hero{padding:80px 0 72px;background:linear-gradient(180deg,#f2f6ff 0%,#fff 100%);text-align:center}
.eyebrow{color:var(--prom);font-weight:700;margin:0 0 14px}
.lead{max-width:640px;margin:20px auto 0;font-size:19px;color:var(--muted)}
.lead.small{font-size:17px}
.pick{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px;margin:44px auto 0;text-align:left}
.pick-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 2px 0 rgba(11,26,58,.04);transition:transform .15s,box-shadow .15s,border-color .15s}
.pick-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(11,26,58,.1)}
.pick-card.prom{border-top:5px solid var(--prom)} .pick-card.prom:hover{border-color:var(--prom)}
.pick-card.tips{border-top:5px solid var(--tips)} .pick-card.tips:hover{border-color:var(--tips)}
.pick-top{display:flex;align-items:center;gap:10px;font-size:22px}
.tag{font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--bg2);color:var(--muted)}
.pick-desc{color:var(--muted)}
.pick-cta{font-weight:700;margin-top:auto}
.pick-card.prom .pick-cta{color:var(--prom)} .pick-card.tips .pick-cta{color:var(--tips)}
.fine{color:var(--muted);font-size:14px;margin:22px 0 0}

/* product sections */
.prod{padding:96px 0}
.prod.alt{background:var(--bg2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .copy{order:2}
.copy p{color:var(--muted);font-size:17px}
.copy h2{margin:10px 0 16px}
.prod-badge{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;padding:6px 12px;border-radius:999px;margin:0}
.prod-badge.prom{background:var(--prom-bg);color:var(--prom)!important}
.prod-badge.tips{background:var(--tips-bg);color:var(--tips)!important}
.feat,.steps{margin:22px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.feat li,.steps li{color:var(--muted)}
.feat b,.steps b{color:var(--fg);margin-right:8px}
.steps{counter-reset:s}
.steps li{counter-increment:s;padding-left:36px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;background:var(--tips);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.cond{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.cond-h{margin:0 0 6px!important;color:var(--fg)!important;font-weight:700;font-size:15px!important}
.cond ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px}

/* fake screenshots */
.shot{border-radius:14px;border:1px solid var(--line);background:#fff;overflow:hidden;box-shadow:0 24px 50px rgba(11,26,58,.12)}
.shot-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;font-weight:700;border-bottom:1px solid var(--line)}
.shot.prom .shot-bar{border-top:4px solid var(--prom)} .shot.tips .shot-bar{border-top:4px solid var(--tips)}
.shot-bar small{color:var(--muted);font-weight:500}
.shot-body{display:flex;height:300px}
.shot-body.col{flex-direction:column;gap:18px;padding:22px}
.shot-side{width:30%;border-right:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:10px}
.shot-side i{display:block;height:12px;border-radius:6px;background:var(--bg2)}
.shot-side i.short{width:60%}
.shot-map{flex:1;background:repeating-linear-gradient(45deg,#eef2f8 0 12px,#f7f9fc 12px 24px);display:flex;align-items:center;justify-content:center}
.shot-zone{border:2px solid var(--prom);background:rgba(31,95,209,.14);color:var(--prom);font-weight:700;font-size:13px;padding:30px 26px}
.shot-steps{display:flex;gap:8px;font-size:13px;font-weight:600}
.shot-steps span{padding:4px 12px;border-radius:999px;background:var(--bg2);color:var(--muted)}
.shot-steps .done{color:var(--tips)} .shot-steps .cur{background:var(--tips);color:#fff}
.shot-opts{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.shot-opts div{border-radius:10px;background:var(--tips-bg);display:flex;align-items:flex-end;padding:10px;font-weight:700;color:var(--tips)}

.sub-feat{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.sub-card{border:1px solid var(--line);border-radius:12px;padding:24px}
.sub-card p{color:var(--muted);margin:8px 0 0}
.sub-k{margin:0 0 6px!important;font-size:13px;font-weight:700;color:var(--prom)!important}

/* together */
.together{padding:96px 0;text-align:center}
.chain{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:40px;flex-wrap:wrap}
.link-card{display:flex;flex-direction:column;align-items:center;gap:6px;border:1px solid var(--line);border-radius:12px;padding:18px 22px;min-width:150px}
.link-card small{color:var(--muted)}
.arr{color:var(--muted);font-size:22px}

/* who */
.who{padding:96px 0;background:var(--ink);color:#fff}
.who h2{color:#fff}
.tabs{display:flex;gap:8px;margin:28px 0 24px;flex-wrap:wrap}
.tabs button{font:inherit;font-weight:700;background:transparent;color:#b9c4dc;border:1px solid #33456b;border-radius:999px;padding:8px 18px;cursor:pointer}
.tabs button[aria-selected="true"]{background:#fff;color:var(--ink);border-color:#fff}
.tab-panel p{font-size:22px;font-weight:700;margin:0}
.uses{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.uses span{display:inline-flex;align-items:center;gap:8px;border:1px solid #33456b;border-radius:8px;padding:10px 14px;color:#dbe3f3}

/* nums, plans, final */
.nums{padding:64px 0;border-bottom:1px solid var(--line)}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.grid4 b{display:block;font-size:28px;color:var(--ink);font-weight:800}
.grid4 small{color:var(--muted)}
.plans{padding:80px 0}
.plan-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;max-width:760px}
.plan{border:1px solid var(--line);border-radius:12px;padding:24px}
.plan-a{margin:0;color:var(--muted);font-weight:700}
.plan b{display:block;font-size:30px;margin:6px 0;color:var(--ink)}
.plan small{color:var(--muted)}
.final{padding:96px 0;background:linear-gradient(180deg,#fff 0%,#eef4ff 100%);text-align:center}

.foot{background:#0b1a3a;color:#b9c4dc;padding:48px 0 32px;font-size:14px}
.foot .brand{color:#fff}
.foot-in{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot-cols{display:flex;gap:48px}
.foot-cols div{display:flex;flex-direction:column;gap:8px}
.foot-h{color:#fff;font-weight:700;margin:0 0 4px}
.foot a:hover{color:#fff}
.notice{border-top:1px solid #23355c;margin-top:28px;padding-top:20px;color:#8090b0;font-size:13px}

/* mobile */
@media (max-width:860px){
  .burger{display:block}
  .gnb-act .link{display:none}
  .gnb-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px max(20px,env(safe-area-inset-left)) 16px}
  .gnb-nav.open{display:flex}
  .gnb-nav>a,.dd-btn{padding:12px 0;text-align:left;width:100%}
  .mega{position:static;width:auto;grid-template-columns:1fr;box-shadow:none;margin-bottom:8px}
  .pick,.split,.sub-feat,.plan-row{grid-template-columns:1fr}
  .split{gap:36px}
  .split.rev .copy{order:0}
  .grid4{grid-template-columns:1fr 1fr}
  .hero,.prod,.together,.who,.final{padding-top:64px;padding-bottom:64px}
  .arr{transform:rotate(90deg)}
  .chain{flex-direction:column}
}