/* apps.iojeju.co.kr 공통 스타일. 색·반경은 회사 사이트(iojeju.co.kr)와 같은 브랜드 톤입니다.
   변수 이름(--brand, --brand-weak, --line …)은 앱 배너(/ad/iosweep/)도 쓰니 바꾸지 마세요. */
:root{
  --bg:#f4f6fb;--card:#fff;--ink:#1f2544;--muted:#596080;--line:#e2e6f0;
  --brand:#3a56d9;--brand-dark:#2b42ab;--brand-weak:#eaeefc;--accent:#ffab40;--navy:#0b1030;--footer:#0f152d;
  --danger:#d93b3b;--radius:16px;--radius-lg:24px;
  --shadow:0 1px 2px rgba(31,37,68,.04),0 10px 28px rgba(35,56,154,.08);
  --shadow-hover:0 2px 4px rgba(31,37,68,.05),0 18px 40px rgba(35,56,154,.14);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0e1120;--card:#171b2e;--ink:#e8eaf3;--muted:#a1a8c3;--line:#272d47;
  --brand:#7b93ff;--brand-dark:#9fb0ff;--brand-weak:#1e2647;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.25);--shadow-hover:0 18px 40px rgba(0,0,0,.4);
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI","Malgun Gothic","Noto Sans KR",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.7;font-size:16px;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* 머리글 */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
@media (prefers-color-scheme:dark){header{background:rgba(14,17,32,.85)}}
.nav{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand img{height:22px;width:auto;display:block}
.brand .tag-apps{padding:3px 9px;border-radius:999px;background:var(--brand-weak);color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.04em}
@media (prefers-color-scheme:dark){.brand img{filter:brightness(0) invert(1)}}
.menu{display:flex;gap:2px;margin-left:auto}
.menu a{padding:8px 14px;border-radius:999px;color:var(--muted);font-size:15px;font-weight:600}
.menu a:hover{color:var(--ink);background:var(--brand-weak);text-decoration:none}
.menu a.on{color:var(--brand);background:var(--brand-weak)}
.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;margin-right:-10px;align-items:center;justify-content:center;background:none;border:0;border-radius:12px;color:var(--ink);cursor:pointer}
.menu-toggle svg{width:24px;height:24px}
.menu-toggle .x{display:none}
header.open .menu-toggle .bars{display:none}
header.open .menu-toggle .x{display:block}
@media (max-width:760px){
  .nav{flex-wrap:wrap;height:auto;min-height:60px;gap:0}
  .menu-toggle{display:inline-flex}
  .menu{display:none;flex-basis:100%;flex-direction:column;gap:0;margin:0;padding:6px 0 12px;border-top:1px solid var(--line)}
  header.open .menu{display:flex}
  .menu a{padding:13px 4px;border-radius:0;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
  .menu a:last-child{border-bottom:0}
  .menu a.on,.menu a:hover{background:none;color:var(--brand)}
}

/* 본문 */
main{padding:48px 0 72px}
h1{font-size:clamp(30px,4.6vw,44px);line-height:1.22;margin:0 0 14px;letter-spacing:-.025em;font-weight:800}
h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;margin:56px 0 16px;letter-spacing:-.02em;font-weight:800}
h3{font-size:18px;line-height:1.4;margin:24px 0 8px;letter-spacing:-.01em}
p{margin:0 0 14px}
ul,ol{padding-left:22px}
li{margin:4px 0}
.lead{font-size:18px;color:var(--muted);max-width:720px}
.hero{padding:16px 0 8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand)}
.eyebrow:before{content:"";width:22px;height:2px;background:currentColor}

/* 버튼 */
.btns{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;line-height:1.3;border:1.5px solid var(--line);background:var(--card);color:var(--ink);transition:transform .15s ease,background .15s ease,box-shadow .15s ease;cursor:pointer;font-family:inherit}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(58,86,217,.25)}
.btn.primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#1b1405;box-shadow:0 10px 24px rgba(255,171,64,.32)}
.btn.accent:hover{background:#ffbb5e}
.btn.ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.btn small{font-weight:500;opacity:.75;font-size:12px}

/* 카드·격자 */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease}
.card h3{margin-top:0}
.card > :last-child{margin-bottom:0}
.card .k{font-size:13px;font-weight:700;color:var(--brand);margin-bottom:6px;letter-spacing:.01em}
a.card{display:block;color:inherit}
a.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-hover)}

/* 표 */
table{width:100%;border-collapse:separate;border-spacing:0;margin:16px 0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:15px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--brand-weak);color:var(--ink);font-weight:700}
tr:last-child td,tr:last-child th{border-bottom:0}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.log td:not(:last-child){white-space:nowrap}
@media (max-width:640px){.wrap > table th,.wrap > table td{padding:10px;overflow-wrap:anywhere}}

code{background:var(--brand-weak);color:var(--brand-dark);padding:2px 6px;border-radius:6px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:normal;overflow-wrap:anywhere}
.muted{color:var(--muted)}
.notice{background:var(--brand-weak);border-left:4px solid var(--brand);padding:14px 18px;border-radius:12px;margin:18px 0}
.warn{background:#fdecec;border-left:4px solid var(--danger);padding:14px 18px;border-radius:12px;margin:18px 0;color:#7a1f1f}
@media (prefers-color-scheme:dark){.warn{background:#3a1d1d;color:#f3c2c2}}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px;margin:18px 0}
.toc ol{margin:0;padding-left:20px}

/* 요금제 */
.price{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:24px 0}
.price .card{position:relative;display:flex;flex-direction:column}
.price .card .btn{margin-top:auto;align-self:flex-start}
.price .card:has(.tag){border:2px solid var(--brand);box-shadow:var(--shadow-hover)}
.price .tag{position:absolute;top:16px;right:16px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.price .amt{font-size:30px;font-weight:800;margin:6px 0 4px;letter-spacing:-.02em}
.price ul{padding-left:18px;margin:10px 0 18px}
ul.check{list-style:none;padding:0}
ul.check li{padding-left:26px;position:relative;margin:8px 0}
ul.check li:before{content:"";position:absolute;left:0;top:.42em;width:16px;height:16px;border-radius:50%;background:var(--brand-weak) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%233a56d9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}

/* 글 */
.article{max-width:760px}
.article h2{font-size:22px;margin-top:40px}
.article p,.article li{font-size:17px}
.meta{color:var(--muted);font-size:14px;margin-bottom:24px}
dl.faq{margin:0}
dl.faq dt{font-weight:700;margin-top:22px}
dl.faq dd{margin:6px 0 0 0;color:var(--muted)}

/* 바닥글 */
footer{background:var(--footer);color:rgba(255,255,255,.62);padding:48px 0 36px;font-size:14px}
footer a{color:rgba(255,255,255,.82)}
footer .foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;margin-bottom:28px}
footer .foot img{height:20px;width:auto;filter:brightness(0) invert(1);margin-bottom:12px;display:block}
footer h4{margin:0 0 10px;color:#fff;font-size:13px;letter-spacing:.06em}
footer .foot p{margin:0 0 6px}
footer .links{display:flex;gap:16px;flex-wrap:wrap;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
footer .links a{color:#fff;font-weight:600}
footer .copy{margin-top:10px;color:rgba(255,255,255,.45);font-size:13px}
@media (max-width:760px){footer .foot{grid-template-columns:1fr;gap:20px}}

/* ---------- 홈(포털) ---------- */
main.home{padding-top:0}
.band{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:80px 0 72px;
  background-image:radial-gradient(circle at 8% 15%,rgba(58,86,217,.55),transparent 45%),radial-gradient(circle at 95% 5%,rgba(255,171,64,.24),transparent 40%),radial-gradient(circle at 75% 110%,rgba(80,200,160,.16),transparent 45%)}
.band .eyebrow{color:#ffcf8f}
.band h1{color:#fff;font-size:clamp(34px,5.4vw,56px)}
.band h1 em{font-style:normal;color:var(--accent)}
.band .lead{color:rgba(255,255,255,.78)}
.band__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:center}
.band__shot{margin:0;position:relative}
.band__shot img{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 30px 70px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.1)}
.band__chip{position:absolute;left:-18px;bottom:-18px;display:flex;align-items:center;gap:10px;padding:10px 16px 10px 10px;border-radius:999px;background:rgba(255,255,255,.95);color:var(--ink);font-size:14px;font-weight:700;box-shadow:0 14px 30px rgba(0,0,0,.35)}
.band__chip img{width:32px;height:32px;border-radius:9px}
.band__chip b{color:var(--brand)}
@media (max-width:860px){.band{padding:56px 0 64px}.band__grid{grid-template-columns:1fr;gap:36px}.band__chip{left:12px;bottom:-16px}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:64px 0 20px}
.section-head h2{margin:0}
.section-head a{font-weight:700;white-space:nowrap}

.apps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.app{display:flex;flex-direction:column;gap:12px;padding:26px}
.app__head{display:flex;align-items:center;gap:14px}
.app__head img{width:56px;height:56px;border-radius:15px;box-shadow:0 6px 16px rgba(35,56,154,.18);flex-shrink:0}
.app__head .k{margin:0}
.app__head h3{margin:2px 0 0;font-size:20px}
.app p{color:var(--muted);margin:0}
.app .btns{margin:auto 0 0;padding-top:8px}
.app .btn{padding:10px 16px;font-size:14px}
.app--feature{grid-column:span 3;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;padding:32px;background:linear-gradient(135deg,var(--card) 55%,var(--brand-weak))}


.app--feature h3{font-size:26px}
@media (max-width:960px){.apps{grid-template-columns:repeat(2,minmax(0,1fr))}.app--feature{grid-column:span 2}}
@media (max-width:640px){.apps{grid-template-columns:1fr}.app--feature{grid-column:auto;grid-template-columns:1fr;padding:24px}}
.app--soon{border-style:dashed;box-shadow:none;background:transparent}
.app--soon .mark{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;background:var(--brand-weak);color:var(--brand);font-weight:800;flex-shrink:0}

.why .card{display:flex;flex-direction:column;gap:6px}
.why .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--brand-weak);color:var(--brand);margin-bottom:6px}
.why .ico svg{width:22px;height:22px}
.why h3{margin:0}
.why p{color:var(--muted);margin:0}

.tips-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.tips-list .card{display:flex;flex-direction:column;gap:8px}
.tips-list .date{font-size:13px;color:var(--muted)}
.tips-list strong{font-size:17px;line-height:1.45;color:var(--ink)}
@media (max-width:860px){.tips-list{grid-template-columns:1fr}}

/* 404 */
.nf{text-align:center;padding:72px 0}
.nf .code{font-size:72px;font-weight:800;color:var(--brand);letter-spacing:-.04em;line-height:1}
.nf .btns{justify-content:center}

/* 홈 IO Sweep 카드의 앱 화면 예시 그림 */
.mock{border-radius:14px;overflow:hidden;background:var(--card);border:1px solid var(--line);box-shadow:0 24px 50px rgba(35,56,154,.18);font-size:13px}
.mock__bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:linear-gradient(90deg,#1d3fb8,#3a56d9);color:#fff;font-weight:800}
.mock__bar i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.5)}
.mock__bar span{margin-left:6px}
.mock__row{display:grid;grid-template-columns:16px 1.1fr 1.1fr auto 64px;gap:10px;align-items:center;padding:9px 14px;border-bottom:1px solid var(--line)}
.mock__row b{width:14px;height:14px;border-radius:4px;border:1.5px solid var(--line)}
.mock__row b.on{background:var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.4 2.4L12 5' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E") center/12px no-repeat;border-color:var(--brand)}
.mock__row span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mock__row em{font-style:normal;font-size:11px;font-weight:800;padding:1px 8px;border-radius:999px;background:rgba(34,160,107,.12);color:#157a50}
.mock__row em.w{background:rgba(255,171,64,.2);color:#a35a00}
.mock__row strong{text-align:right}
.mock__map{display:grid;grid-template-columns:1.6fr 1fr .7fr;grid-template-areas:"a b c" "a d c";gap:5px;height:96px;padding:10px 14px}
.mock__map span{display:flex;flex-direction:column;justify-content:flex-end;padding:6px 8px;border-radius:7px;color:#fff;font-weight:800;font-size:12px;background:#3a56d9}
.mock__map span:nth-child(2){background:#5b78ea}.mock__map span:nth-child(3){background:#8fa4f2}.mock__map span:nth-child(4){background:#2fa36b}
.mock__map small{font-weight:500;opacity:.85}
.mock__foot{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-top:1px solid var(--line);color:var(--muted)}
.mock__foot strong{color:var(--ink)}
.mock__btn{padding:6px 12px;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;font-size:12px}
@media (max-width:420px){.mock__row{grid-template-columns:14px 1fr 1fr auto;font-size:12px}.mock__row strong{display:none}}
@media (prefers-color-scheme:dark){.mock__row em{background:#163528;color:#8ee0b8}.mock__row em.w{background:#3a2a12;color:#f0c27a}}