/* descent.koreajipsuri.com — 든든 완강기 디자인 시스템 (Swiss/Editorial + Flat, 모노크롬 + 단일 액센트) */
:root{--bg:#F6F6F3;--surface:#fff;--surface-2:#ECECE7;--ink:#17191C;--ink-soft:#4B4F55;--ink-faint:#80858C;--line:#DADAD3;--line-alt:#C3C3BA;--accent:#B4361A;--accent-dark:#8C2810;--accent-soft:#F6E7E2;--panel:#14161A;--panel-2:#1F2227;--panel-text:#F3F3EF;--panel-muted:#A3A7AE;--radius:3px;--maxw:1200px;--gutter:clamp(18px,4vw,44px);--sec:clamp(52px,7.5vw,96px);--ease:cubic-bezier(.22,1,.36,1);--font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.75;letter-spacing:-.015em;-webkit-font-smoothing:antialiased;word-break:keep-all}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.sec{padding:var(--sec) 0}.sec-alt{background:var(--surface-2)}.sec-dark{background:var(--panel);color:var(--panel-text)}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:12px}
.sec-dark .eyebrow{color:#E9A08F}
h2.sec-title{font-size:clamp(1.5rem,3.4vw,2.3rem);font-weight:800;line-height:1.28;letter-spacing:-.02em;margin-bottom:14px}
.sec-lead{color:var(--ink-soft);max-width:720px;margin-bottom:34px}.sec-dark .sec-lead{color:var(--panel-muted)}
h3{font-size:1.1rem;font-weight:700;line-height:1.4}
/* header */
.hdr{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(246,246,243,.96);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo-mark{width:30px;height:30px;background:var(--accent);color:#fff;display:grid;place-items:center;border-radius:var(--radius);font-size:.95rem}
.hdr-nav{display:flex;gap:28px;font-size:.92rem;font-weight:600;color:var(--ink-soft)}
.hdr-nav a:hover{color:var(--accent)}
.hdr-cta{display:inline-block;background:var(--ink);color:#fff;padding:.5rem 1.1rem;border-radius:var(--radius);font-size:.85rem;font-weight:700}
body{padding-top:62px}
/* buttons */
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 1.6rem;border-radius:var(--radius);font-weight:700;font-size:.95rem;border:1px solid transparent;transition:.25s var(--ease);cursor:pointer;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}.btn-line:hover{background:var(--ink);color:#fff}
/* hero */
.hero{position:relative;min-height:min(calc(100vh - 62px),760px);display:flex;align-items:flex-end;background:var(--panel);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0}.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero::after{content:'';position:absolute;inset:0;background:rgba(10,12,14,.58)}
.hero-in{position:relative;z-index:2;width:100%;padding-bottom:clamp(40px,7vw,80px);padding-top:80px}
.hero-tag{display:inline-block;padding:.35rem .85rem;border:1px solid rgba(255,255,255,.45);border-radius:var(--radius);font-size:.78rem;font-weight:700;letter-spacing:.1em;margin-bottom:20px}
.hero h1{font-size:clamp(2.8rem,9vw,6.4rem);font-weight:900;line-height:1.02;letter-spacing:-.03em;margin-bottom:18px}
.hero-sub{max-width:620px;font-size:1.05rem;color:rgba(255,255,255,.88);margin-bottom:28px;line-height:1.75}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.25)}
.hero-stats b{display:block;font-size:1.5rem;font-weight:800}.hero-stats span{font-size:.8rem;color:rgba(255,255,255,.7)}
/* page hero (sub pages) */
.page-hero{background:var(--panel);color:var(--panel-text);padding:clamp(48px,7vw,84px) 0 clamp(36px,5vw,56px)}
.crumb{font-size:.8rem;color:var(--panel-muted);margin-bottom:18px}.crumb a:hover{color:#fff}
.page-hero h1{font-size:clamp(2rem,5.6vw,3.6rem);font-weight:900;line-height:1.12;letter-spacing:-.025em;margin-bottom:16px}
.answer{font-size:1.06rem;max-width:760px;color:rgba(255,255,255,.88);line-height:1.8}
/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card h3{margin-bottom:8px}.card p{color:var(--ink-soft);font-size:.95rem}
.card .num{font-size:.78rem;font-weight:800;color:var(--accent);letter-spacing:.1em;margin-bottom:12px;display:block}
/* case compare cards */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s var(--ease)}
.case-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.case-card[hidden]{display:none}
.cmp{display:grid;grid-template-columns:1fr 1fr;position:relative}
.cmp figure{position:relative;aspect-ratio:3/4;background:var(--surface-2)}.cmp img{width:100%;height:100%;object-fit:cover}
.cmp figcaption{position:absolute;left:8px;top:8px;background:rgba(20,22,26,.85);color:#fff;font-size:.72rem;font-weight:700;padding:.15rem .55rem;border-radius:2px}
.cmp figure+figure figcaption{background:var(--accent)}
.case-body{padding:18px 20px 22px}.case-body h3{font-size:1.02rem;margin-bottom:10px}
.case-meta{display:grid;gap:3px;font-size:.84rem;color:var(--ink-soft)}.case-meta b{color:var(--ink);font-weight:700;margin-right:6px}
.more-row{text-align:center;margin-top:30px}
/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin:16px 0 24px}
table{width:100%;border-collapse:collapse;font-size:.93rem}
@media(max-width:600px){table{font-size:.86rem}th,td{padding:10px 10px}th{white-space:normal}}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface-2);font-weight:700;white-space:nowrap}tr:last-child td{border-bottom:0}
/* faq */
.faq{display:grid;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:700;position:relative;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:400;color:var(--accent)}
.faq details[open] summary::after{content:'\2212'}
.faq details[open]{border-color:var(--ink)}
.faq .ans{padding:0 22px 20px;color:var(--ink-soft);font-size:.96rem}
/* article */
.article{max-width:820px}
.article h2{font-size:clamp(1.3rem,2.8vw,1.8rem);font-weight:800;line-height:1.35;margin:44px 0 14px;letter-spacing:-.02em}
.article h3{margin:26px 0 8px}
.article p{margin-bottom:14px;color:#2b2e33}
.article ul.ul,.article ol.ol{margin:10px 0 18px 0;display:grid;gap:8px}
.ul li{position:relative;padding-left:20px}.ul li::before{content:'';position:absolute;left:2px;top:.8em;width:7px;height:7px;background:var(--accent)}
.ol{counter-reset:s}.ol li{counter-increment:s;position:relative;padding-left:38px}
.ol li::before{content:counter(s);position:absolute;left:0;top:.1em;width:26px;height:26px;background:var(--ink);color:#fff;border-radius:50%;font-size:.78rem;font-weight:700;display:grid;place-items:center}
.photo{margin:22px 0}.photo img{width:100%;max-width:440px;border-radius:var(--radius);border:1px solid var(--line)}
.photo figcaption{font-size:.84rem;color:var(--ink-faint);margin-top:8px}
.note{background:var(--accent-soft);border-left:3px solid var(--accent);padding:16px 20px;border-radius:var(--radius);margin:22px 0;font-size:.95rem}
.updated{font-size:.84rem;color:var(--ink-faint);margin-top:34px}
.quote{border-left:3px solid var(--ink);padding:6px 0 6px 20px;margin:24px 0;font-size:1.02rem}.quote cite{display:block;font-style:normal;font-size:.84rem;color:var(--ink-faint);margin-top:6px}
/* related */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s var(--ease)}.rel-card:hover{border-color:var(--ink)}
.rel-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.rel-card div{padding:16px 18px 20px}.rel-card h3{font-size:1rem;margin-bottom:6px}.rel-card p{font-size:.86rem;color:var(--ink-soft)}
/* cta */
.cta{background:var(--panel);color:#fff;text-align:center;padding:clamp(48px,7vw,84px) 0}
.cta h2{font-size:clamp(1.5rem,3.6vw,2.4rem);font-weight:800;margin-bottom:12px}.cta p{color:var(--panel-muted);margin-bottom:26px}.cta .btn-row{justify-content:center}
/* footer */
.ftr{background:#0E1013;color:var(--panel-muted);padding:44px 0 90px;font-size:.86rem}
.ftr-nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:22px;color:#fff;font-weight:600}
.ftr-info{line-height:1.9}.ftr-info span{margin-right:14px;display:inline-block}
.float-cta{position:fixed;right:16px;bottom:16px;z-index:40;background:var(--accent);color:#fff;font-weight:700;padding:.85rem 1.3rem;border-radius:var(--radius);font-size:.92rem;box-shadow:0 2px 0 rgba(0,0,0,.2)}
/* consult */
.steps{counter-reset:st;display:grid;gap:14px}.steps li{counter-increment:st;display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:var(--radius)}
.steps li::before{content:counter(st);width:44px;height:44px;background:var(--accent);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:800}
@media(max-width:900px){.grid-3,.case-grid,.rel-grid{grid-template-columns:repeat(2,1fr)}.hdr-nav{display:none}}
@media(max-width:600px){.grid-3,.grid-2,.rel-grid{grid-template-columns:1fr}.case-grid{grid-template-columns:1fr}}