:root{
  --bg:#070A10; --panel:#0C111B; --panel2:#0B1220;
  --text:#EAF0FF; --muted:#98A6C6; --line:rgba(255,255,255,.10);
  --accent:#7C5CFF; --accent2:#37D6FF; --ok:#33D69F; --warn:#FFB020; --bad:#FF4D4D;
  --radius:18px; --shadow: 0 12px 40px rgba(0,0,0,.45); --shadow2: 0 10px 30px rgba(0,0,0,.35);
  --container: 1120px;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Apple SD Gothic Neo","Noto Sans KR", Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(124,92,255,.26), transparent 60%),
    radial-gradient(900px 600px at 80% 25%, rgba(55,214,255,.16), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(51,214,159,.10), transparent 55%),
    linear-gradient(180deg, #05070C 0%, #070A10 100%);
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; }
.container{ width: calc(100% - 40px); max-width: none; margin:0 auto; }
.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: rgba(7,10,16,.70);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:14px; }
.brand{ display:flex; align-items:center; gap:10px; min-width: 220px; }
.logo{
  width:36px;height:36px; border-radius:12px;
  background: radial-gradient(12px 12px at 30% 30%, rgba(255,255,255,.55), transparent 60%),
    linear-gradient(135deg, rgba(124,92,255,1), rgba(55,214,255,1));
  box-shadow: 0 10px 25px rgba(124,92,255,.25);
}
.brand-title{ display:flex; flex-direction:column; line-height:1.1; }
.brand-title b{ font-size:14px; letter-spacing:.2px; }
.brand-title span{ font-size:12px; color:var(--muted); }
.nav{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:center; }
.nav a{
  font-size:13px; color:rgba(234,240,255,.90);
  padding:8px 10px; border-radius:12px;
  border:1px solid transparent; transition:.2s ease;
}
.nav a:hover{ border-color: rgba(255,255,255,.10); background: rgba(255,255,255,.04); }
.nav a.active{ border-color: rgba(124,92,255,.35); background: rgba(124,92,255,.10); }
.actions{ display:flex; align-items:center; gap:10px; min-width:240px; justify-content:flex-end; }
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  border-radius:14px; padding:10px 12px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: var(--text);
  cursor:pointer; transition:.2s ease;
  user-select:none; white-space:nowrap;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.06); }
.btn-primary{
  border-color: rgba(124,92,255,.40);
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(55,214,255,.55));
  box-shadow: 0 14px 40px rgba(124,92,255,.20);
}
.btn-ghost{ background: transparent; border-color: rgba(255,255,255,.10); }
.chip{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.88);
  font-size:12px;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  background: linear-gradient(135deg, var(--ok), var(--accent2));
  box-shadow: 0 0 0 4px rgba(51,214,159,.10);
}
.lang{
  display:inline-flex; gap:6px; align-items:center;
  padding:7px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  font-size:12px;
}
.lang button{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: rgba(234,240,255,.86);
  padding:4px 8px;
  border-radius:999px;
  cursor:pointer;
}
.lang button.active{ border-color: rgba(124,92,255,.45); background: rgba(124,92,255,.14); }
.main{ padding: 26px 0 46px; }
.page-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin: 4px 0 16px; }
.page-head h1{ margin:0; font-size:22px; letter-spacing:-.2px; }
.page-head p{ margin:0; color:var(--muted); font-size:13px; line-height:1.6; max-width:80ch; }
.panel{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background: rgba(12,17,27,.62);
  box-shadow: var(--shadow2);
  padding: 16px;
}
.grid{ display:grid; grid-template-columns: repeat(12,1fr); gap:12px; }
.card{
  grid-column: span 4;
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background: rgba(12,17,27,.55);
  box-shadow: var(--shadow2);
  padding:16px;
  position:relative; overflow:hidden;
  cursor:pointer; transition:.2s ease;
}
.card:hover{ transform: translateY(-2px); border-color: rgba(55,214,255,.20); background: rgba(12,17,27,.66); }
.card:before{
  content:""; position:absolute; inset:-1px;
  background:
    radial-gradient(380px 200px at 30% 0%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(300px 200px at 90% 30%, rgba(55,214,255,.12), transparent 60%);
  opacity:.6; pointer-events:none;
}
.card > *{ position:relative; }
.icon{
  width:42px; height:42px; border-radius:16px;
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  margin-bottom:10px;
}
.card h3{ margin:0 0 6px 0; font-size:14px; letter-spacing:-.2px; }
.card p{ margin:0 0 10px 0; font-size:12px; color:var(--muted); line-height:1.55; min-height:38px; }
.meta{ display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.tag{
  font-size:11px; padding:6px 9px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: rgba(234,240,255,.84);
}
.controls{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 12px; }
.input{
  padding:10px 12px; border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: var(--text);
  outline:none;
}
.select{ min-width: 160px; }
.note{
  margin-top:14px; color: rgba(152,166,198,.92);
  font-size:12px; line-height:1.6;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:12px;
}
.note b{ color: rgba(234,240,255,.92); }
.muted{ color: var(--muted); }
.list{ display:grid; gap:10px; }
.item{
  border-radius:14px; border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
  padding:14px;
}
.item h3{ margin:0 0 6px 0; font-size:14px; }
.item p{ margin:0; color: var(--muted); font-size:13px; line-height:1.65; }
.kv{
  display:grid; gap:8px; padding: 12px 14px;
  border-radius: 14px; border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.kv .row{ display:flex; gap:10px; flex-wrap:wrap; }
.kv .k{ min-width:120px; color: rgba(234,240,255,.86); font-size:12px; }
.kv .v{ color: var(--muted); font-size:12px; line-height:1.55; flex:1; }
.hr{ height:1px; background: rgba(255,255,255,.06); margin:12px 0; }
.tabs{ display:flex; gap:8px; flex-wrap:wrap; margin: 12px 0; }
.tab{
  padding:7px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  font-size:12px; color: rgba(234,240,255,.88);
  cursor:pointer;
}
.tab.active{ border-color: rgba(124,92,255,.45); background: rgba(124,92,255,.14); }
.footer{
  border-top:1px solid rgba(255,255,255,.06);
  padding:18px 0 30px; color: rgba(152,166,198,.92);
  font-size:12px; line-height:1.7;
}
.footer .cols{ display:grid; grid-template-columns: 1.2fr .8fr; gap:12px; }
.footer a{ color: rgba(234,240,255,.86); }
.footer a:hover{ text-decoration: underline; }
@media (max-width: 980px){
  .actions{ min-width:auto; }
  .brand{ min-width:auto; }
  .card{ grid-column: span 6; }
  .footer .cols{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  .nav{ display:none; }
  .card{ grid-column: span 12; }
  .actions .chip, .actions .lang{ display:none; }
}


/* =========================
   HERO BANNER (Home)
========================= */
.hero-banner{
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(12,17,27,.75), rgba(12,17,27,.55));
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  margin-bottom: 16px;
}

.hero-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(180deg, rgba(7,10,16,.60), rgba(7,10,16,.20)),
    url("../img/hero.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05);
  opacity: .98;
}

.hero-inner{
  position:relative;
  padding: 22px;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 14px;
  align-items: stretch;
}

.hero-title{
  margin:0 0 10px 0;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -.4px;
}

.hero-desc{
  margin:0 0 14px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
  max-width: 70ch;
}

.hero-cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 8px;
}

.hero-pills{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom: 10px;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color: rgba(234,240,255,.90);
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}

.hero-panel{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(7,10,16,.35);
  box-shadow: var(--shadow2);
  padding: 14px;
}

.hero-panel h3{
  margin: 0 0 10px 0;
  font-size: 14px;
  letter-spacing: -.2px;
}

.feature-list{
  display:grid;
  gap:10px;
}

.feature{
  display:flex;
  gap:10px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

.feature .ico{
  width:36px; height:36px;
  border-radius: 14px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  flex: 0 0 auto;
}

.feature b{
  display:block;
  font-size: 13px;
  margin-bottom: 3px;
}

.feature span{
  display:block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-title{ font-size: 28px; }
}


/* =========================
   HERO: Feature cards row
========================= */
.hero-feature-cards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.hero-feature-card{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow2);
  padding: 12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.hero-feature-card .ico{
  width:34px; height:34px;
  border-radius: 14px;
  display:grid; place-items:center;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  flex: 0 0 auto;
}
.hero-feature-card b{
  display:block;
  font-size: 13px;
  margin-bottom: 3px;
}
.hero-feature-card span{
  display:block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 980px){
  .hero-feature-cards{ grid-template-columns: 1fr; }
}


/* =========================
   TOPBAR layout refinement
========================= */
.topbar-inner{
  display:grid;
  grid-template-columns: 260px 1fr 320px;
  align-items:center;
  gap:12px;
}
.nav{
  justify-content:center;
}
.actions{
  justify-content:flex-end;
  min-width: auto;
}

/* =========================
   LANG DROPDOWN
========================= */
.lang-dd{
  position: relative;
  display:inline-flex;
  align-items:center;
}

.lang-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.88);
  cursor:pointer;
  user-select:none;
}
.lang-btn:hover{ background: rgba(255,255,255,.06); transform: translateY(-1px); }

.lang-icon{
  width:18px; height:18px;
  display:grid; place-items:center;
  border-radius: 10px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  font-size: 12px;
}
.lang-caret{ opacity:.8; }

.lang-menu{
  position:absolute;
  right:0;
  top: calc(100% + 8px);
  min-width: 180px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(12,17,27,.95);
  box-shadow: var(--shadow2);
  padding: 8px;
  display:none;
  z-index: 100;
}
.lang-menu.open{ display:block; }

.lang-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding: 10px 10px;
  border-radius: 12px;
  cursor:pointer;
  border:1px solid transparent;
  color: rgba(234,240,255,.90);
  font-size: 13px;
}
.lang-item:hover{
  background: rgba(255,255,255,.05);
  border-color: rgba(124,92,255,.25);
}
.lang-item small{
  color: var(--muted);
  font-size: 12px;
}
.lang-item.active{
  background: rgba(124,92,255,.12);
  border-color: rgba(124,92,255,.35);
}

@media (max-width: 980px){
  .topbar-inner{
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "brand actions"
      "nav nav";
  }
  .brand{ grid-area: brand; }
  .actions{ grid-area: actions; }
  .nav{ grid-area: nav; justify-content:flex-start; }
}