:root {
  --blue-950:#062b55;
  --blue-900:#073a70;
  --blue-800:#075598;
  --blue-700:#0873c2;
  --blue-600:#0a83db;
  --blue-100:#e7f4ff;
  --blue-50:#f2f9ff;
  --ink:#17263a;
  --muted:#66758a;
  --line:#dce5ef;
  --soft:#f5f8fb;
  --white:#fff;
  --shadow:0 12px 30px rgba(14,45,76,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:var(--blue-950);color:white;padding:10px 16px;border-radius:8px;transition:top .2s}
.skip-link:focus{top:12px}
.header-inner,.intro-inner,.resources,.footer-inner{width:min(1180px,calc(100% - 48px));margin:0 auto}
.intro{position:relative;overflow:hidden;background:linear-gradient(122deg,var(--blue-950) 0%,#064f8f 60%,#087aca 100%);color:#fff}
.intro::after{content:"";position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent 28%,black)}
.intro::before{content:"";position:absolute;width:420px;height:420px;border:90px solid rgba(255,255,255,.055);border-radius:50%;right:-50px;top:-230px}
.intro-inner{position:relative;z-index:1;min-height:276px;display:grid;grid-template-columns:1fr 480px;align-items:center;gap:80px;padding:48px 0}
.eyebrow,.section-kicker{margin:0 0 4px;font-size:.75rem;font-weight:800;letter-spacing:.17em;color:#76c9ff}
.intro h1{margin:0;font-size:3rem;line-height:1.15;letter-spacing:-.05em}
.intro-copy>p:last-child{margin:16px 0 0;font-size:1.08rem;color:#d8edff;line-height:1.75}
.search-panel{padding:24px 26px 22px;border:1px solid rgba(255,255,255,.23);border-radius:18px;background:rgba(255,255,255,.12);box-shadow:0 14px 35px rgba(0,22,50,.18);backdrop-filter:blur(8px)}
.search-panel label{display:block;margin-bottom:8px;font-size:.86rem;font-weight:800;color:#d9edff}
.search-box{height:58px;display:flex;align-items:center;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(0,30,60,.14)}
.search-box svg{width:22px;margin-left:18px;fill:none;stroke:#6f7e91;stroke-width:2;stroke-linecap:round}
.search-box input{width:100%;height:100%;border:0;outline:0;padding:0 12px;color:var(--ink);font-size:1rem;background:transparent}
.search-box input::placeholder{color:#9aa6b6}
.search-box:focus-within{box-shadow:0 0 0 3px #7ecaff,0 8px 20px rgba(0,30,60,.14)}
#clear-search{display:none;width:38px;height:38px;margin-right:9px;border:0;border-radius:50%;background:transparent;color:#8390a1;font-size:1.5rem;cursor:pointer}
#clear-search.visible{display:block}
#clear-search:hover{background:#edf3f8;color:#26384d}
.search-panel>p{margin:13px 1px 0;color:#d9edff;font-size:.82rem}
.search-panel>p strong{color:#fff}
.category-bar{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(10px)}
.category-nav{width:min(1180px,calc(100% - 48px));margin:0 auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.category-nav::-webkit-scrollbar{display:none}
.category-button{position:relative;flex:0 0 auto;padding:18px 20px;border:0;background:transparent;color:#65758a;font-size:.92rem;font-weight:750;cursor:pointer}
.category-button::after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:transparent}
.category-button:hover{color:var(--blue-700)}
.category-button.active{color:var(--blue-800)}
.category-button.active::after{background:var(--blue-700)}
.resources{padding:64px 0 86px}
.resource-toolbar{display:flex;justify-content:space-between;align-items:end;margin-bottom:32px}
.section-kicker{color:var(--blue-700)}
.resource-toolbar h2{margin:0;font-size:1.85rem;letter-spacing:-.045em}
.resource-toolbar>p{margin:0 0 4px;color:var(--muted);font-size:.9rem}
.resource-group{margin-top:56px}
.resource-group:first-child{margin-top:0}
.group-head{display:flex;align-items:center;gap:13px;margin-bottom:18px}
.group-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:var(--blue-100);color:var(--blue-800)}
.group-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.group-head h3{margin:0;font-size:1.22rem;letter-spacing:-.035em}
.group-head span:last-child{margin-left:auto;color:#8b97a7;font-size:.82rem}
.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.resource-card{min-height:142px;display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:15px;background:#fff;transition:transform .2s,border-color .2s,box-shadow .2s}
.resource-card:hover{transform:translateY(-2px);border-color:#acd6f4;box-shadow:var(--shadow)}
.card-top{display:flex;gap:14px;align-items:flex-start}
.file-badge{flex:0 0 auto;min-width:43px;height:27px;display:grid;place-items:center;padding:0 8px;border-radius:7px;background:#eef5fa;color:var(--blue-800);font-size:.67rem;font-weight:900;letter-spacing:.04em}
.file-badge.app{background:#eef9f5;color:#177a5c}.file-badge.web{background:#f4f0ff;color:#6d4bb3}.file-badge.fix{background:#fff2e8;color:#a8591f}
.card-copy{min-width:0;flex:1}
.card-copy h4{margin:-2px 0 3px;font-size:1.03rem;line-height:1.45;letter-spacing:-.025em}
.card-copy p{margin:0;color:var(--muted);font-size:.86rem;line-height:1.5}
.card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:18px;padding-left:57px}
.action-link{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 13px;border-radius:9px;background:var(--blue-700);color:#fff;font-size:.8rem;font-weight:800;transition:background .2s,transform .2s}
.action-link:hover,.action-link:focus{background:var(--blue-900);transform:translateY(-1px)}
.action-link.secondary{border:1px solid #cdd9e5;background:#fff;color:#34465b}
.action-link.secondary:hover,.action-link.secondary:focus{border-color:#8bbfea;background:var(--blue-50);color:var(--blue-800)}
.action-link.third{border:1px solid #8568c7;background:#6d4bb3;color:#FFF}
.action-link.third:hover,.action-link.third:focus{ border-color:#8568c7;color:#f4f0ff;background:#5f3fa3;}
.action-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.empty-state{text-align:center;padding:70px 20px;border:1px dashed #cbd8e5;border-radius:18px;background:var(--soft)}
.empty-icon{width:48px;height:48px;display:grid;place-items:center;margin:0 auto 16px;border-radius:50%;background:#e3eef8;color:var(--blue-800);font-weight:900}
.empty-state h2{margin:0;font-size:1.35rem}.empty-state p{margin:7px 0 18px;color:var(--muted)}.empty-state a{color:var(--blue-700);font-weight:800;text-decoration:underline;text-underline-offset:4px}
@media (max-width:880px){.intro-inner{grid-template-columns:1fr;gap:30px}.desktop-break{display:none}.intro-copy{text-align:center}.search-panel{width:min(600px,100%);margin:0 auto}.intro-inner{padding:46px 0 50px}.resource-grid{grid-template-columns:1fr}.resource-card{min-height:134px}}
@media (max-width:640px){.header-inner,.intro-inner,.resources,.category-nav{width:min(100% - 32px,1180px)}.intro h1{font-size:2.4rem}.intro-copy>p:last-child{font-size:.98rem}.intro-inner{min-height:auto;padding:38px 0 42px}.search-panel{padding:18px}.search-box{height:54px}.category-button{padding:15px 14px}.category-button::after{left:14px;right:14px}.resources{padding:44px 0 62px}.resource-toolbar{margin-bottom:24px}.resource-toolbar h2{font-size:1.55rem}.resource-group{margin-top:44px}.resource-card{padding:19px}.card-actions{padding-left:0}.action-link{flex:1;min-width:130px;min-height:44px}.group-head{gap:10px}.group-icon{width:33px;height:33px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}