/* 절세각 공용 스타일 (콘텐츠 페이지용) */
:root{--bg:#0f1221;--card:#1a1f36;--line:#2b3358;--txt:#f1f3fb;--sub:#b6bee2;--accent:#5b8cff;--good:#4fe3a6;--warn:#ffd166}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);font-family:'Pretendard','Segoe UI',system-ui,sans-serif;
  font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
.topnav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(15,18,33,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topnav .inner{max-width:820px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;width:100%}
.topnav .logo{font-weight:700;font-size:18px;color:var(--txt);text-decoration:none}
.navlinks a{color:#c2cae8;text-decoration:none;font-size:15px;margin-left:16px;font-weight:500}
.navlinks a:hover{color:var(--txt)}
.wrap{max-width:820px;margin:0 auto;padding:22px 16px 40px}
article h1{font-size:30px;margin:8px 0 6px;line-height:1.3;font-weight:800;color:#fff;letter-spacing:-.5px}
article h2{font-size:23px;margin:38px 0 12px;padding-top:18px;border-top:1px solid var(--line);font-weight:700;color:#fff;line-height:1.35}
article h3{font-size:19px;margin:24px 0 9px;color:#dbe3ff;font-weight:700}
article p,article li{font-size:17px;color:#e6ebfb;line-height:1.9}
article li{margin:7px 0}
.lead{color:#c2cae8;font-size:18px;line-height:1.7}
.upd{color:var(--sub);font-size:12.5px;margin-top:4px}
a{color:var(--accent)}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15.5px}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;color:#e6ebfb}
thead th{color:#fff;font-weight:700}
.callout{background:#16243f;border:1px solid #2c4a7a;border-radius:12px;padding:16px 18px;margin:18px 0;font-size:16px;line-height:1.8;color:#dbe6ff}
.callout.warn{background:#2a2114;border-color:#5d4a1f}
.cta{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 20px;border-radius:10px;font-weight:600;margin:10px 0}
.faq{border:1px solid var(--line);border-radius:10px;margin:10px 0;background:var(--card)}
.faq summary{cursor:pointer;padding:15px 17px;font-weight:700;font-size:16.5px;list-style:none;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'Q  ';color:var(--accent);font-weight:800}
.faq .a{padding:0 17px 16px;color:#dbe3ff;font-size:16px;line-height:1.85}
/* 광고 슬롯 (치수 고정 → CLS 0. 실제 애드센스 코드는 승인 후 삽입) */
.ad-slot{display:flex;align-items:center;justify-content:center;background:#11152b;border:1px dashed #34406e;border-radius:10px;margin:18px 0}
.ad-slot .ad-label{color:#6b76a8;font-size:12px}
.sitefooter{max-width:820px;margin:0 auto;padding:22px 16px 50px;border-top:1px solid var(--line);color:var(--sub);font-size:12.5px;line-height:1.9}
.sitefooter a{color:var(--sub)}
.sitefooter .row{margin-top:6px}
.disc{font-size:11.5px;color:#7a83ad;margin-top:16px;line-height:1.7}
.bc{font-size:12.5px;color:var(--sub);margin-bottom:6px}
.bc a{color:var(--sub)}
/* 포털 홈 (카테고리 그리드) */
.hero{text-align:center;padding:24px 0 6px;background:radial-gradient(ellipse 460px 160px at 50% 34%,rgba(91,140,255,.16),transparent 70%)}
.hero h1{font-size:30px;margin:10px 0;font-weight:800;letter-spacing:-.5px}
.hero p{color:#ccd4ee;font-size:18px;line-height:1.75;margin:10px auto;max-width:620px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:22px 0}
.cat{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;color:var(--txt);transition:border-color .15s,transform .15s}
.cat:hover{border-color:var(--accent);transform:translateY(-2px)}
.cat .ico{font-size:26px}
.cat h3{margin:8px 0 4px;font-size:16.5px;color:#fff}
.cat p{margin:0;color:#aab4d8;font-size:13.5px;line-height:1.65}
.cat.soon{opacity:.55;pointer-events:none}
.badge{display:inline-block;font-size:11px;border-radius:20px;padding:2px 9px;margin-top:10px}
.badge.live{background:#173a2b;color:#5fe0a8;border:1px solid #2c6a4d}
.badge.soon{background:#2a2f4a;color:#9aa4cc;border:1px solid #3a4470}
.badge.info{background:#1b2f4a;color:#86b6ff;border:1px solid #2c4a7a}
.sec-title{font-size:21px;margin:34px 0 14px;font-weight:700;color:#fff;line-height:1.35}
.trust{display:flex;gap:14px;flex-wrap:wrap;margin:8px 0 0}
.trust .t{flex:1;min-width:170px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14.5px;color:#c2cae8;line-height:1.7}
.trust .t b{color:#fff;display:block;margin-bottom:5px;font-size:15.5px}
.linklist a{display:inline-block;margin:5px 12px 5px 0;font-size:15.5px;position:relative;transition:transform .16s ease,color .16s ease}

/* ===== 프리미엄 모션 레이어 (CSS-only · CLS 0) ===== */
/* 그라데이션 타이틀 (지원 브라우저만 클립, 미지원은 일반색 폴백) */
.hero h1{color:var(--txt)}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .hero h1{background:linear-gradient(100deg,#8fb0ff 0%,#b69bff 35%,#5fe0d0 70%,#8fb0ff 100%);
    background-size:220% auto;-webkit-background-clip:text;background-clip:text;color:transparent}
}
/* 섹션 제목 프리미엄 액센트 바 */
.sec-title{position:relative;padding-left:14px}
.sec-title::before{content:'';position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--accent),#b69bff)}
/* 카드 호버 고급화 */
.cat{transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease,background .2s ease}
.cat .ico{display:inline-block;transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.cat:hover{border-color:var(--accent);transform:translateY(-4px);
  box-shadow:0 16px 34px -16px rgba(91,140,255,.55);background:#1d2340}
.cat:hover .ico{transform:scale(1.16) rotate(-4deg)}
.trust .t{transition:transform .2s ease,border-color .2s ease}
.trust .t:hover{transform:translateY(-3px);border-color:#3a4470}
.linklist a:hover{transform:translateX(3px);color:#a9c2ff}
.topnav .logo{transition:opacity .15s ease}
.topnav .logo:hover{opacity:.85}

@media (prefers-reduced-motion: no-preference){
  @keyframes feUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  @keyframes gradFlow{0%{background-position:0% 50%}100%{background-position:220% 50%}}
  .hero h1{animation:feUp .7s cubic-bezier(.2,.7,.2,1) both}
}
@media (prefers-reduced-motion: no-preference) and (min-width:1px){
  @supports ((-webkit-background-clip:text) or (background-clip:text)){
    .hero h1{animation:feUp .7s cubic-bezier(.2,.7,.2,1) both, gradFlow 9s linear infinite}
  }
}
@media (prefers-reduced-motion: no-preference){
  .hero p{animation:feUp .7s .12s cubic-bezier(.2,.7,.2,1) both}
  .grid .cat,.linklist a,.trust .t{animation:feUp .6s cubic-bezier(.2,.7,.2,1) both}
  .grid .cat:nth-child(1){animation-delay:.04s}.grid .cat:nth-child(2){animation-delay:.10s}
  .grid .cat:nth-child(3){animation-delay:.16s}.grid .cat:nth-child(4){animation-delay:.22s}
  .grid .cat:nth-child(5){animation-delay:.28s}.grid .cat:nth-child(6){animation-delay:.34s}
  .grid .cat:nth-child(7){animation-delay:.40s}.grid .cat:nth-child(n+8){animation-delay:.46s}
  .sec-title{animation:feUp .6s both}
}