:root{--bg:#0b0f14;--surface:rgba(255,255,255,.06);--surface2:rgba(255,255,255,.09);--border:rgba(255,255,255,.12);--text:rgba(255,255,255,.92);--muted:rgba(255,255,255,.64);--muted2:rgba(255,255,255,.48);--accent:#3aa7ff;--gold:#d6b25e;--danger:#ff5f6a;--ok:#62e6a3;--shadow:0 12px 40px rgba(0,0,0,.45);--radius:16px;--radius2:22px;--mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--sans);color:var(--text);background:radial-gradient(1400px 900px at 20% -10%,rgba(58,167,255,.22),transparent 55%),radial-gradient(1200px 700px at 90% 0%,rgba(214,178,94,.18),transparent 50%),linear-gradient(180deg,#070a0e 0%,#0b0f14 50%,#070a0e 100%)}a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:8px;padding:10px 14px;border-radius:10px;background:#fff;color:#111;z-index:10000}.skip-link:focus{left:10px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:linear-gradient(180deg,rgba(11,15,20,.9),rgba(11,15,20,.55));border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{width:min(1160px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:280px 1fr 120px;gap:16px;align-items:center;padding:14px 0}
.brand-link{display:flex;gap:12px;align-items:center}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-family:var(--mono);font-weight:800;letter-spacing:.5px;background:linear-gradient(135deg,rgba(58,167,255,.26),rgba(214,178,94,.24));border:1px solid rgba(255,255,255,.14)}
.brand-text{display:grid;line-height:1.1}.brand-name{font-weight:800;letter-spacing:-.2px}.brand-tagline{font-size:12px;color:var(--muted);letter-spacing:.4px;text-transform:uppercase}
.top-nav{display:flex;gap:18px;justify-content:center;align-items:center;font-size:14px;color:var(--muted)}
.top-nav a{padding:10px 8px;border-radius:10px}.top-nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-cta{color:rgba(255,255,255,.92)!important;background:linear-gradient(135deg,rgba(58,167,255,.18),rgba(214,178,94,.14));border:1px solid rgba(255,255,255,.12)}.nav-cta:hover{border-color:rgba(255,255,255,.22)}
.header-actions{display:flex;justify-content:flex-end;gap:8px}
.icon-btn{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:var(--text);cursor:pointer}
.icon-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18)}

/* Typography */
.kicker{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.9px;text-transform:uppercase;font-family:var(--mono)}
.section{padding:28px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px}
.section-title{margin:8px 0 0;font-size:24px;letter-spacing:-.6px;font-weight:900}
.section-actions{display:flex;gap:10px;align-items:center}
.link{color:var(--muted);font-size:14px}.link:hover{color:var(--text);text-decoration:underline;text-decoration-color:rgba(255,255,255,.22)}

/* Buttons / inputs */
.btn{cursor:pointer;border-radius:14px;padding:11px 14px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:rgba(255,255,255,.9);font-weight:750;letter-spacing:-.15px}
.btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.btn-primary{border-color:rgba(58,167,255,.28);background:linear-gradient(135deg,rgba(58,167,255,.25),rgba(214,178,94,.16))}
.btn-primary:hover{border-color:rgba(58,167,255,.42)}
.btn-ghost{background:rgba(255,255,255,.03)}
.btn-mini{padding:8px 10px;border-radius:12px;font-size:12px}
.field{display:grid;gap:6px}
.field-label{font-size:12px;color:var(--muted)}
input,select,textarea{width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(0,0,0,.22);color:rgba(255,255,255,.92);padding:11px 12px;outline:none}
input::placeholder,textarea::placeholder{color:rgba(255,255,255,.42)}
input:focus,select:focus,textarea:focus{border-color:rgba(58,167,255,.38);box-shadow:0 0 0 4px rgba(58,167,255,.12)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:36px 0 30px}
.hero-bg{position:absolute;inset:0;background:radial-gradient(900px 420px at 25% 10%,rgba(58,167,255,.16),transparent 55%),radial-gradient(700px 520px at 75% 25%,rgba(214,178,94,.16),transparent 60%),linear-gradient(180deg,rgba(255,255,255,.06),transparent 35%);filter:saturate(1.05)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start}
.hero-title{margin:10px 0 0;font-size:clamp(32px,4.3vw,54px);font-weight:950;letter-spacing:-1px}
.hero-subtitle{margin:10px 0 0;font-size:15px;color:var(--muted);max-width:46ch;line-height:1.7}
.hero-actions{display:flex;gap:10px;margin-top:16px}
.hero-trust{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.trust-item{border-radius:14px;padding:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.trust-title{font-weight:900;letter-spacing:-.2px}
.trust-desc{margin-top:6px;color:var(--muted);font-size:13px;line-height:1.45}
.hero-panel{display:grid;gap:10px}
.panel-card{border-radius:var(--radius2);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);padding:18px}
.panel-title{font-weight:950;letter-spacing:-.3px;margin-bottom:12px}
.panel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.chip{padding:10px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:rgba(255,255,255,.86);font-size:13px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18)}
.chip-strong{background:linear-gradient(135deg,rgba(58,167,255,.18),rgba(214,178,94,.12))}
.panel-divider{height:1px;background:rgba(255,255,255,.1);margin:16px 0}
.panel-note{border-radius:var(--radius);padding:12px 14px;background:rgba(58,167,255,.09);border:1px solid rgba(58,167,255,.18);color:rgba(255,255,255,.86);font-size:13px;line-height:1.55}
.panel-note a{color:var(--accent);text-decoration:underline;text-decoration-color:rgba(58,167,255,.35)}

/* Recommendation pills */
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill{cursor:pointer;border-radius:999px;padding:10px 12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.86);font-size:13px}
.pill:hover{background:rgba(255,255,255,.08)}

/* Catalog */
.catalog{display:grid;grid-template-columns:310px 1fr;gap:14px;align-items:start}
.filters{position:sticky;top:88px;border-radius:var(--radius2);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);padding:16px;box-shadow:var(--shadow)}
.filter-block+.filter-block{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}
.filter-title{font-weight:950;letter-spacing:-.2px;margin-bottom:10px}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.check{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.84);font-size:13px;user-select:none}
.check input{accent-color:var(--accent)}
.range-row{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}
.range-sep{color:var(--muted2)}
.helper{margin-top:8px;font-size:12px;color:var(--muted2)}
.segmented{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.seg{cursor:pointer;border-radius:12px;padding:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:rgba(255,255,255,.86);font-weight:800;font-size:13px}
.seg[aria-pressed="true"]{border-color:rgba(58,167,255,.36);background:rgba(58,167,255,.12)}
.results{border-radius:var(--radius2);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);padding:14px}
.results-top{display:flex;justify-content:space-between;gap:12px;align-items:end}
.results-count{font-weight:950;letter-spacing:-.2px}
.mono{font-family:var(--mono)}
.active-filters{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 10px}
.tag{display:inline-flex;gap:8px;align-items:center;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.86);font-size:12px}
.tag button{cursor:pointer;border:0;background:transparent;color:rgba(255,255,255,.7);font-size:14px}
.tag button:hover{color:rgba(255,255,255,.92)}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.product-card{border-radius:var(--radius2);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.12);box-shadow:0 16px 44px rgba(0,0,0,.34)}
.product-card:hover{border-color:rgba(255,255,255,.18);transform:translateY(-1px);transition:transform 160ms ease,border-color 160ms ease}
.product-media{position:relative;padding:12px}
.media-ph{height:170px;border-radius:16px;background:radial-gradient(160px 120px at 20% 20%,rgba(58,167,255,.18),transparent 55%),radial-gradient(220px 140px at 80% 50%,rgba(214,178,94,.16),transparent 60%),linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.1)}
.badge-row{position:absolute;left:20px;bottom:20px;display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.9);font-size:12px;font-weight:800}
.badge-muted{color:rgba(255,255,255,.74)}
.badge-accent{border-color:rgba(58,167,255,.28);color:rgba(255,255,255,.92)}
.product-body{padding:12px 14px 14px}
.product-title{font-weight:950;letter-spacing:-.35px;line-height:1.25}
.product-sub{margin-top:6px;color:var(--muted);font-size:13px}
.spec-list{margin:12px 0 0;padding-left:18px;color:rgba(255,255,255,.78);font-size:13px;line-height:1.55}
.product-bottom{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:12px}
.price{font-weight:950;letter-spacing:-.2px}
.actions{display:flex;gap:8px}
.empty{margin-top:14px;padding:14px;border-radius:16px;border:1px dashed rgba(255,255,255,.18);color:rgba(255,255,255,.76)}

/* Compare bar */
.compare-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:linear-gradient(180deg,rgba(11,15,20,.55),rgba(11,15,20,.92));border-top:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px)}
.compare-inner{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:12px 0}
.compare-left{display:grid;gap:6px}
.compare-title{font-weight:950;letter-spacing:-.2px}
.compare-items{display:flex;flex-wrap:wrap;gap:8px}
.compare-item{display:inline-flex;gap:8px;align-items:center;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.86)}
.compare-item button{cursor:pointer;border:0;background:transparent;color:rgba(255,255,255,.7);font-size:14px}
.compare-item button:hover{color:rgba(255,255,255,.92)}
.compare-actions{display:flex;gap:10px;align-items:center}

/* Brand hall / cards */
.brand-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.brand-card{border-radius:16px;padding:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12)}
.brand-card:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18)}
.brand-card .name{font-weight:950;letter-spacing:-.2px}
.brand-card .meta{margin-top:6px;color:var(--muted);font-size:12px}

/* Quote */
.quote{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:start;border-radius:var(--radius2);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);padding:18px}
.quote-desc{margin:10px 0 0;color:var(--muted);line-height:1.75}
.quote-bullets{margin-top:14px;display:grid;gap:10px}
.bullet{display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.86)}.dot{width:8px;height:8px;border-radius:999px;background:linear-gradient(135deg,rgba(58,167,255,.9),rgba(214,178,94,.8))}
.quote-form{border-radius:18px;padding:14px;background:rgba(0,0,0,.2);border:1px solid rgba(255,255,255,.12)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-actions{display:flex;gap:10px;margin-top:12px}
.form-note{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.55}

/* Installations / content */
.case-grid,.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.card{border-radius:18px;padding:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12)}
a.card{display:block;text-decoration:none;color:inherit}
a.card:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18)}
.card:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18)}
.card .title{font-weight:950;letter-spacing:-.2px;line-height:1.3}
.card .desc{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
.chipline{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.smallchip{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.84)}

/* Footer */
.footer{margin-top:24px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;color:rgba(255,255,255,.82);background:rgba(0,0,0,.18)}
.footer-inner{display:flex;justify-content:space-between;gap:12px;align-items:center}
.footer-brand{font-weight:950;letter-spacing:-.2px}
.footer-muted{margin-top:6px;color:var(--muted);font-size:13px}
.footer-right{display:flex;gap:14px}
.footer-link{color:var(--muted)}.footer-link:hover{color:var(--text);text-decoration:underline;text-decoration-color:rgba(255,255,255,.22)}

/* Responsive */
@media (max-width: 980px){
  .header-inner{grid-template-columns:1fr auto;grid-template-areas:"brand actions" "nav nav";gap:10px}
  .brand{grid-area:brand}.header-actions{grid-area:actions}.top-nav{grid-area:nav;justify-content:flex-start;overflow:auto;white-space:nowrap}
  .hero-inner{grid-template-columns:1fr;gap:12px}
  .panel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .catalog{grid-template-columns:1fr}
  .filters{position:relative;top:auto}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .quote{grid-template-columns:1fr}
  .case-grid,.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-inner{flex-direction:column;align-items:stretch}
  .compare-actions{justify-content:flex-end}
}
@media (max-width: 560px){
  .panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .product-grid{grid-template-columns:1fr}
  .brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-grid,.content-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}