@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --ink:#12181a;
  --ink-soft:#5c6a67;
  --bg:#ffffff;
  --surface:#ffffff;
  --surface-2:#f0faf4;
  --line:#e6ebe8;
  --accent:#00a651;
  --accent-deep:#00753a;
  --accent-soft:#e6f7ec;
  --shadow:rgba(18,24,26,0.08);
  color-scheme:light;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans KR',sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

h1,h2,h3{
  font-family:'Noto Sans KR',sans-serif;
  font-weight:800;
  letter-spacing:-0.01em;
  line-height:1.28;
  text-wrap:balance;
  margin:0;
  color:var(--ink);
}
.badge{
  font-family:'Noto Sans KR',sans-serif;
  font-weight:700;
  font-size:0.78rem;
  letter-spacing:-0.01em;
  color:var(--accent-deep);
  display:inline-flex;
  align-items:center;
  gap:0.4em;
  background:var(--accent-soft);
  padding:7px 14px;
  border-radius:999px;
}
.badge .ic{width:15px; height:15px;}
p{margin:0 0 1em; color:var(--ink-soft); max-width:64ch;}
a{color:inherit;}
ul{padding-left:1.1em; color:var(--ink-soft);}
::selection{background:var(--accent); color:#fff;}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}
.ic{width:20px; height:20px; flex:none;}

.wrap{max-width:1180px; margin:0 auto; padding:0 28px;}

/* ---------- header ---------- */
header.site{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; padding:14px 0;
}
.brand{
  display:inline-flex; align-items:center; gap:9px;
  text-decoration:none; white-space:nowrap;
}
.brand-text{display:flex; flex-direction:column; gap:0;}
.brand .brand-kr{
  font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.28rem;
  letter-spacing:-0.01em; color:var(--ink); line-height:1.1;
}
.brand small{
  display:block; font-size:0.62rem;
  letter-spacing:0.08em; color:var(--ink-soft); margin-top:1px;
}
nav.primary{display:flex; align-items:center; gap:4px; flex-wrap:wrap;}
.nav-item{position:relative;}
.nav-link{
  font-family:'Noto Sans KR',sans-serif; font-weight:500; font-size:0.92rem;
  padding:10px 14px; text-decoration:none; color:var(--ink-soft);
  background:none; border:none; cursor:pointer; display:inline-block;
  border-radius:8px;
}
.nav-link:hover, .nav-link.active{color:var(--ink); background:var(--surface-2);}
.dropdown{
  position:absolute; top:calc(100% + 6px); left:0; min-width:230px;
  background:var(--surface); border:1px solid var(--line); border-radius:14px;
  box-shadow:0 16px 32px var(--shadow);
  padding:8px; display:none; flex-direction:column; gap:2px;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown{display:flex;}
.dropdown a{
  font-size:0.86rem; padding:10px 12px; text-decoration:none; color:var(--ink-soft);
  border-radius:9px;
}
.dropdown a:hover, .dropdown a.active{background:var(--surface-2); color:var(--ink);}
.btn{
  font-family:'Noto Sans KR',sans-serif; font-weight:700; font-size:0.92rem;
  padding:12px 22px; text-decoration:none; border-radius:999px; border:1.5px solid transparent;
  display:inline-flex; align-items:center; gap:8px; cursor:pointer; white-space:nowrap;
}
.btn-primary{background:var(--accent); color:#fff;}
.btn-primary:hover{background:var(--accent-deep);}
.btn-outline{background:var(--surface); color:var(--ink); border-color:var(--line);}
.btn-outline:hover{border-color:var(--accent); color:var(--accent-deep);}
.btn-sm{padding:9px 16px; font-size:0.84rem;}
.menu-btn{display:none; background:none; border:1px solid var(--line); border-radius:8px; padding:8px 10px; cursor:pointer; color:var(--ink);}

@media (max-width: 900px){
  nav.primary{
    position:fixed; inset:60px 0 0 0; background:var(--bg); flex-direction:column;
    align-items:stretch; padding:20px; overflow:auto; display:none; gap:6px;
    border-top:1px solid var(--line);
  }
  nav.primary.open{display:flex;}
  .dropdown{position:static; display:flex !important; box-shadow:none; border:none; padding:0 0 0 14px; margin-bottom:6px;}
  .menu-btn{display:inline-flex;}
  .btn{align-self:flex-start;}
}

/* ---------- hero ---------- */
.hero{padding:64px 0 60px;}
.hero-grid{display:grid; grid-template-columns:1.05fr 0.95fr; gap:40px; align-items:center;}
@media (max-width:940px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{font-size:clamp(2rem, 4.2vw, 3rem); margin:16px 0 18px;}
.hero .lede{font-size:1.05rem; max-width:50ch;}
.btn-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:26px;}
.trust-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:22px;}

/* visitor path selector */
.path-select{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:28px; max-width:560px;}
@media (max-width:560px){.path-select{grid-template-columns:1fr;}}
.path-card{
  display:flex; align-items:center; gap:14px; padding:18px 20px;
  border-radius:18px; border:1.5px solid var(--line); background:var(--surface);
  text-decoration:none; transition:border-color .15s, transform .15s, box-shadow .15s;
}
.path-card:hover{border-color:var(--accent); transform:translateY(-2px); box-shadow:0 10px 24px var(--shadow);}
.path-card .path-icon{
  width:44px; height:44px; border-radius:12px; background:var(--accent-soft);
  display:flex; align-items:center; justify-content:center; flex:none;
}
.path-card .path-icon .ic{color:var(--accent-deep);}
.path-card .path-label{font-family:'Noto Sans KR',sans-serif; font-weight:800; font-size:0.96rem; color:var(--ink); display:block; margin-bottom:3px;}
.path-card .path-sub{font-size:0.78rem; color:var(--ink-soft); display:block;}
.path-card.primary{background:var(--accent); border-color:var(--accent);}
.path-card.primary .path-icon{background:rgba(255,255,255,.2);}
.path-card.primary .path-icon .ic{color:#fff;}
.path-card.primary .path-label, .path-card.primary .path-sub{color:#fff;}

/* hero illustration */
.hero-art{position:relative; width:100%; max-width:440px; aspect-ratio:1/0.92; margin:0 auto;}
.hero-art svg.lines{position:absolute; inset:0; width:100%; height:100%;}
.chip{
  position:absolute; border-radius:20px; background:var(--surface);
  border:1px solid var(--line); box-shadow:0 14px 30px var(--shadow);
  display:flex; align-items:center; justify-content:center;
}
.chip .ic{width:26px; height:26px; color:var(--accent-deep);}
.chip-core{
  width:34%; height:34%; top:33%; left:33%;
  background:linear-gradient(155deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow:0 20px 40px color-mix(in srgb, var(--accent) 35%, transparent);
}
.chip-core .ic{width:38%; height:38%; color:#fff;}
.chip-a{width:22%; height:22%; top:2%; left:6%;}
.chip-b{width:22%; height:22%; top:0%; right:2%;}
.chip-c{width:22%; height:22%; bottom:4%; left:0%;}
.chip-d{width:22%; height:22%; bottom:2%; right:8%;}
.chip-e{width:17%; height:17%; top:44%; right:-2%;}

/* ---------- sections ---------- */
section.block{padding:52px 0;}
section.block.alt{background:var(--surface-2);}
.block-head{max-width:64ch; margin-bottom:32px;}
.block-head h2{font-size:clamp(1.4rem, 2.4vw, 1.9rem); margin-top:12px;}

.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
@media (max-width:880px){.grid-3, .grid-2{grid-template-columns:1fr;}}

.card{
  border:1px solid var(--line); border-radius:18px; padding:24px;
  background:var(--surface); position:relative;
}
.card h3{font-size:1.1rem; margin:4px 0 8px;}
.card p{font-size:0.92rem; margin-bottom:8px;}
.card .more{
  font-family:'Noto Sans KR',sans-serif; font-weight:700; font-size:0.84rem;
  text-decoration:none; color:var(--accent-deep); display:inline-block; margin-top:6px;
}
.card .more:hover{text-decoration:underline;}

.icon-badge{
  width:46px; height:46px; border-radius:13px; background:var(--accent-soft);
  display:flex; align-items:center; justify-content:center; margin-bottom:14px;
}
.icon-badge .ic{color:var(--accent-deep);}

.card-media{
  margin:-24px -24px 16px; padding:20px 20px 8px; border-radius:18px 18px 0 0;
  background:var(--surface-2); display:flex; align-items:center; justify-content:center;
}
.card-media img{width:100%; max-width:230px; display:block;}

.brand-hero-grid{display:grid; grid-template-columns:1.3fr 1fr; gap:32px; align-items:center; margin-bottom:6px;}
@media (max-width:860px){.brand-hero-grid{grid-template-columns:1fr;}}
.brand-hero-media{
  background:var(--surface-2); border:1px solid var(--line); border-radius:22px;
  padding:22px; display:flex; align-items:center; justify-content:center;
}
.brand-hero-media img{width:100%; max-width:260px; display:block;}

.list-row{
  display:flex; align-items:flex-start; gap:14px;
  padding:16px 0; border-bottom:1px solid var(--line);
}
.list-row:last-child{border-bottom:none;}
.list-icon{
  width:42px; height:42px; border-radius:12px; background:var(--accent-soft);
  display:flex; align-items:center; justify-content:center; flex:none;
}
.list-icon .ic{color:var(--accent-deep); width:22px; height:22px;}
.list-row .name{font-family:'Noto Sans KR',sans-serif; font-weight:700; font-size:0.98rem; margin-bottom:2px;}
.list-row .sub{font-size:0.86rem; color:var(--ink-soft); margin:0;}
.list-wrap{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:6px 20px;}

.note{
  font-size:0.84rem; color:var(--ink-soft); border-left:3px solid var(--accent);
  padding:12px 16px; background:var(--surface-2); border-radius:0 12px 12px 0;
}

/* product filter/catalog */
.filter-row{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:26px;}
.filter-btn{
  font-family:'Noto Sans KR',sans-serif; font-weight:500; font-size:0.86rem;
  padding:9px 16px; border:1px solid var(--line); background:var(--surface);
  border-radius:999px; cursor:pointer; color:var(--ink-soft);
}
.filter-btn.active{background:var(--ink); color:#fff; border-color:var(--ink);}
.product-card{display:none;}
.product-card.show{display:block;}
.tag{
  font-size:0.72rem; font-weight:700; letter-spacing:0.02em;
  color:var(--accent-deep);
}

/* contact */
.tabs{display:flex; gap:8px; margin-bottom:26px; border-bottom:1px solid var(--line);}
.tab-btn{
  font-family:'Noto Sans KR',sans-serif; font-weight:700; font-size:0.94rem;
  padding:12px 18px; background:none; border:none; cursor:pointer;
  color:var(--ink-soft); border-bottom:2px solid transparent; margin-bottom:-1px;
}
.tab-btn.active{color:var(--ink); border-bottom-color:var(--accent);}
.form-pane{display:none;}
.form-pane.show{display:block;}
form.contact{display:grid; gap:14px; max-width:520px;}
.field label{
  display:block; font-family:'Noto Sans KR',sans-serif; font-weight:500;
  font-size:0.84rem; margin-bottom:6px; color:var(--ink);
}
.field input, .field textarea, .field select{
  width:100%; font-family:'Noto Sans KR',sans-serif; font-size:0.94rem;
  padding:11px 14px; border:1px solid var(--line); border-radius:10px;
  background:var(--surface); color:var(--ink);
}
.field input:focus, .field textarea:focus{border-color:var(--accent);}
.submit-btn{
  justify-self:start; font-family:'Noto Sans KR',sans-serif; font-weight:700;
  font-size:0.94rem; padding:13px 28px; background:var(--ink); color:#fff;
  border:none; border-radius:999px; cursor:pointer;
}
.submit-btn:hover{background:var(--accent-deep);}
.toast{
  margin-top:14px; font-size:0.86rem; padding:10px 14px; border-radius:10px;
  background:var(--surface-2); border:1px solid var(--line); display:none;
}
.toast.show{display:block;}

table.spec{width:100%; border-collapse:collapse; font-size:0.88rem;}
table.spec th, table.spec td{text-align:left; padding:10px 12px; border-bottom:1px solid var(--line);}
table.spec th{font-family:'JetBrains Mono',monospace; font-size:0.68rem; letter-spacing:.06em; color:var(--accent-deep); text-transform:uppercase; font-weight:500;}
.table-wrap{overflow-x:auto; background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:6px 14px;}

/* footer */
footer.site{background:var(--surface-2); border-top:1px solid var(--line); padding:44px 0 26px;}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px;}
@media (max-width:780px){.foot-grid{grid-template-columns:1fr 1fr;}}
.foot-grid h4{font-family:'Noto Sans KR',sans-serif; font-size:0.8rem; letter-spacing:.02em; color:var(--ink-soft); margin:0 0 12px;}
.foot-grid a{display:block; text-decoration:none; font-size:0.88rem; color:var(--ink-soft); margin-bottom:8px;}
.foot-grid a:hover{color:var(--ink);}
.foot-bottom{margin-top:36px; padding-top:20px; border-top:1px solid var(--line); font-size:0.78rem; color:var(--ink-soft); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;}

.fade-in{animation:fadein .32s ease both;}
@keyframes fadein{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:none;}}

.breadcrumb{font-size:0.82rem; color:var(--ink-soft); margin-bottom:18px;}
.breadcrumb a{text-decoration:none; color:var(--accent-deep);}
.breadcrumb a:hover{text-decoration:underline;}