:root{--bg:#0b0d10;--bg2:#12151a;--panel:#171b21;--line:#262c35;--text:#e8ecf1;--muted:#9aa4b2;--accent:#ff4d2e;--accent2:#ffb347;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Pretendard","Noto Sans KR",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,13,16,.75);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:900;letter-spacing:.08em;font-size:20px}.logo span{color:var(--accent)}
nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:14px;color:var(--muted)}
nav a:hover,nav a.on{color:#fff}
button.btn{background:transparent;font-family:inherit}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:14px;border:1px solid transparent;cursor:pointer;transition:.2s}
.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:#ff6a50;transform:translateY(-1px)}
.btn.ghost{border-color:var(--line);color:var(--text)}.btn.ghost:hover{border-color:#fff}
.btn.naver{background:#03c75a;color:#fff}.btn.naver:hover{background:#1fd86f}
.btn.sm{padding:8px 14px;font-size:13px}
.hero{position:relative;min-height:88vh;display:grid;align-items:center;overflow:hidden;background:radial-gradient(1200px 600px at 75% 40%,#2a1a17 0%,transparent 60%),radial-gradient(800px 500px at 20% 80%,#101a2a 0%,transparent 60%),var(--bg)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding-top:60px;padding-bottom:60px}
.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.2em;font-size:12px;text-transform:uppercase}
h1{font-size:clamp(38px,5.6vw,68px);line-height:1.08;margin:14px 0 20px;font-weight:900;letter-spacing:-.02em}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:18px;max-width:520px}
.cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-art{filter:drop-shadow(0 40px 60px rgba(0,0,0,.6))}
.grid-bg{pointer-events:none;position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(60% 60% at 50% 50%,#000,transparent)}
section{padding:90px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
h2{font-size:clamp(28px,3.4vw,42px);margin:8px 0 0;letter-spacing:-.02em;line-height:1.15}
.sub{color:var(--muted);max-width:640px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;position:relative}
.card:hover{transform:translateY(-4px);border-color:#3a4351;box-shadow:0 20px 40px rgba(0,0,0,.4)}
.card .art{aspect-ratio:4/3;background:linear-gradient(160deg,#1c2129,#0e1114);display:grid;place-items:center;padding:20px}
.card .body{padding:20px}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0 0 14px;color:var(--muted);font-size:14px}
.tag{display:inline-block;font-size:11px;letter-spacing:.1em;padding:4px 10px;border-radius:999px;background:rgba(255,77,46,.15);color:var(--accent);font-weight:700;margin-bottom:10px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.stat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.stat div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat b{display:block;font-size:26px;color:#fff}.stat span{color:var(--muted);font-size:13px}
.strip{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.step{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.step .n{font-size:12px;color:var(--accent);font-weight:800;letter-spacing:.2em}
.step h4{margin:8px 0 6px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
/* product page */
.pd-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:60px 0 40px}
.pd-hero .art{background:linear-gradient(160deg,#1c2129,#0e1114);border:1px solid var(--line);border-radius:20px;padding:40px;display:grid;place-items:center;min-height:420px}
.price{font-size:30px;font-weight:900;margin:14px 0}.price small{font-size:14px;color:var(--muted);font-weight:400;margin-left:8px}
.spec{width:100%;border-collapse:collapse;margin-top:20px;font-size:14px}
.spec th,.spec td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left}
.spec th{color:var(--muted);font-weight:500;width:36%}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.gallery div{aspect-ratio:1;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);font-size:13px;background:linear-gradient(160deg,#1a1f27,#0d1013)}
.faq details{border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px;background:var(--panel)}
.faq summary{cursor:pointer;font-weight:700}.faq p{color:var(--muted);margin:10px 0 0;font-size:14px}
.notice{border:1px dashed #3a4351;border-radius:12px;padding:16px 20px;color:var(--muted);font-size:13px;margin-top:24px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--muted)}
/* configurator */
.cfg{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:start}
.stage{background:radial-gradient(700px 400px at 50% 90%,#20262f 0%,transparent 70%),linear-gradient(180deg,#151920,#0c0e12);border:1px solid var(--line);border-radius:20px;padding:30px;position:sticky;top:84px}
.stage svg{width:100%;height:auto}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px}
.panel h3{margin:0 0 4px;font-size:16px}.panel .hint{font-size:12px;color:var(--muted);margin-bottom:12px}
.opt-group{margin-bottom:24px}
.swatches{display:flex;gap:10px;flex-wrap:wrap}
.sw{width:34px;height:34px;border-radius:50%;border:2px solid transparent;cursor:pointer;position:relative;box-shadow:inset 0 0 0 2px rgba(0,0,0,.3);transition:.15s}
.sw.on{border-color:#fff;transform:scale(1.12)}
.segs{display:flex;gap:8px;flex-wrap:wrap}
.seg{padding:10px 14px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-size:13px;flex:1;text-align:center;min-width:70px;transition:.15s;background:#0f1216}
.seg.on{border-color:var(--accent);color:#fff;background:rgba(255,77,46,.12)}
.summary{border-top:1px solid var(--line);padding-top:16px;font-size:14px}
.summary div{display:flex;justify-content:space-between;padding:6px 0;color:var(--muted)}.summary div b{color:#fff}
.summary .total{font-size:18px;border-top:1px solid var(--line);margin-top:8px;padding-top:12px}
@media(max-width:900px){.hero .wrap,.split,.pd-hero,.cfg{grid-template-columns:1fr}.stage{position:static}nav ul{display:none}}
.gallery div img{width:100%;height:100%;object-fit:cover}
.card .art{overflow:hidden;position:relative;min-width:0;min-height:0;background:#fff}
.card .art img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;padding:10px}
.bike img{display:block}
.art .bike{width:100%}

/* Keep page-level headings at the established product title size. */
h1.page-title{font-size:clamp(28px,3.4vw,42px);margin:8px 0 0;letter-spacing:-.02em;line-height:1.15;font-weight:700}