:root{--dark:#17191C;--dark2:#23262A;--paper:#F4F4F2;--surface:#FFFFFF;--ink:#17191C;--ink2:#5F6670;--line:#E1E2DF;--acc:#F2B01E;--onacc:#17191C;--hi:#F2B01E;--steel:#6B7480;--red:#E0481C;--kick:#17191C;--num:#17191C;--tint:#FCEFC9;--sand:#E4E5E2;
--f:'Pretendard Variable',Pretendard,-apple-system,'Noto Sans KR',system-ui,sans-serif;--w-light:300;--w-reg:400;--w-med:500;--w-semi:600;--w-bold:700;--w-heavy:800}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--paper:#111214;--surface:#1A1C1F;--ink:#EEEFF0;--ink2:#A6ABB2;--line:#2C2F33;--kick:#B7BDC6;--num:#F2B01E;--tint:#2B2512;--sand:#25282C;color-scheme:dark}}
:root[data-theme="dark"]{--paper:#111214;--surface:#1A1C1F;--ink:#EEEFF0;--ink2:#A6ABB2;--line:#2C2F33;--kick:#B7BDC6;--num:#F2B01E;--tint:#2B2512;--sand:#25282C;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font:var(--w-reg) 16px/1.75 var(--f);word-break:keep-all}
p,h1,h2,h3,h4,ul,ol,dl,dd{margin:0}
a{color:inherit;text-decoration:none}
.w{max-width:1160px;margin:0 auto;padding-inline:max(20px,env(safe-area-inset-left,0px)) max(20px,env(safe-area-inset-right,0px))}
.tbc{background:var(--mark);color:#15171A;padding:0 .3em;border-radius:3px;font-weight:var(--w-med)}
a:focus-visible,button:focus-visible{outline:3px solid var(--hi);outline-offset:3px}
/* 두 줄 제목 */
.tt{font-family:var(--f);letter-spacing:-.035em;line-height:1.16;text-wrap:balance}
.tt b{display:block;font-weight:var(--w-heavy)}
.tt span{display:block;font-weight:var(--w-light)}
.tt.xl{font-size:clamp(38px,7vw,76px)}
.tt.lg{font-size:clamp(28px,4.4vw,44px)}
.tt.md{font-size:clamp(24px,3.2vw,32px)}
.k{font:var(--w-semi) 12px/1 var(--f);letter-spacing:.2em;text-transform:uppercase;color:var(--acc)}
/* 헤더 */
.hd{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--dark);color:#fff}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--dark);z-index:30}
.hd .w{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.logo{font:var(--w-heavy) 21px/1 var(--f);letter-spacing:-.04em}
.logo i{font-style:normal;color:var(--hi)}
.hd nav{display:flex;gap:28px;font:var(--w-med) 14px var(--f)}
.hd nav a{opacity:.82;padding:8px 0;border-bottom:2px solid transparent}
.hd nav a:hover{opacity:1;border-color:var(--hi)}
.hd .r{display:flex;align-items:center;gap:14px}
.pill{background:var(--acc);color:var(--onacc);font:var(--w-bold) 13px var(--f);padding:9px 16px;border-radius:3px}
.burger{background:none;border:0;color:#fff;width:40px;height:40px;cursor:pointer;display:none;place-items:center}
.burger span,.burger span::before,.burger span::after{display:block;width:22px;height:2px;background:#fff;position:relative;content:""}
.burger span::before{position:absolute;top:-7px}.burger span::after{position:absolute;top:7px}
.ov{position:fixed;inset:0;z-index:40;background:var(--dark);color:#fff;padding:max(24px,env(safe-area-inset-top,0px)) max(20px,env(safe-area-inset-right,0px)) 40px max(20px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;gap:6px;overflow:auto}
.ov[hidden]{display:none}
.ov .x{align-self:flex-end;background:none;border:0;color:#fff;font:300 36px/1 var(--f);cursor:pointer;padding:4px 10px}
.ov a{font:var(--w-heavy) clamp(30px,8vw,52px)/1.3 var(--f);letter-spacing:-.03em;padding:4px 0}
.ov a small{font:var(--w-light) 14px var(--f);color:#9a9ea4;letter-spacing:0;margin-left:12px}
.ov a:hover{color:var(--hi)}
/* 히어로 */
.hero{background:var(--dark);color:#fff;position:relative;overflow:hidden;min-height:min(86vh,760px);display:flex;align-items:flex-end}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1px 1px at 20% 30%,rgba(255,255,255,.2),transparent),radial-gradient(1px 1px at 70% 60%,rgba(255,255,255,.16),transparent),radial-gradient(110% 90% at 88% 8%,#2c3137,transparent 62%);background-size:6px 6px,9px 9px,auto}
.hero::after{content:"";position:absolute;right:-4%;top:0;bottom:0;width:46%;background:linear-gradient(100deg,rgba(255,255,255,0),rgba(255,255,255,.06));clip-path:polygon(34% 0,100% 0,100% 100%,0 100%)}
.hero .in{position:relative;z-index:1;padding-block:120px 64px;max-width:900px}
.hero h1 em{font-style:normal;color:var(--hi)}
.hero .sub{margin-top:22px;max-width:34em;font-size:clamp(16px,2vw,19px);color:rgba(255,255,255,.76)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 26px;font:var(--w-bold) 15px/1 var(--f);border-radius:3px;border:1.5px solid transparent;cursor:pointer}
.btn.a{background:var(--acc);color:var(--onacc)}.btn.a:hover{filter:brightness(1.1)}
.btn.o{border-color:rgba(255,255,255,.55);color:#fff}.btn.o:hover{background:rgba(255,255,255,.1)}
.btn.d{border-color:var(--ink);color:var(--ink)}.btn.d:hover{background:var(--ink);color:var(--paper)}
/* 수치 띠 */
.strip{background:var(--dark);color:#fff;border-top:1px solid rgba(255,255,255,.12)}
.strip .w{display:grid;grid-template-columns:repeat(4,1fr)}
.strip div{padding:26px 24px;border-left:1px solid rgba(255,255,255,.12);min-width:0}
.strip div:first-child{border-left:0;padding-left:0}
.strip b{display:block;font:var(--w-heavy) clamp(26px,3.4vw,38px)/1.1 var(--f);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.strip em{font:var(--w-reg) 13px var(--f);font-style:normal;color:var(--hi);margin-left:5px}
.strip span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.6)}
/* 섹션 공통 */
section{padding-block:clamp(64px,9vw,112px)}
.sh{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:36px}
.sh .tt{margin-top:12px}
.more{font:var(--w-semi) 14px var(--f);border-bottom:1.5px solid var(--ink);padding-bottom:2px}
/* 벤토 */
.bento{display:grid;grid-template-columns:1.7fr 1fr 1fr;grid-template-rows:230px 230px;gap:14px}
.bt{position:relative;border-radius:8px;overflow:hidden;background:var(--dark2);color:#fff;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;min-width:0;isolation:isolate}
.bt::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(90% 80% at 85% 0%,rgba(255,255,255,.12),transparent 65%),repeating-linear-gradient(135deg,transparent 0 12px,rgba(255,255,255,.025) 12px 13px)}
.bt.big{grid-row:span 2;background:var(--dark)}
.bt .chip{position:absolute;left:22px;top:22px;font:var(--w-bold) 11px/1 var(--f);letter-spacing:.08em;padding:7px 11px;border-radius:99px;background:rgba(255,255,255,.14)}
.bt.big .chip{background:var(--acc);color:var(--onacc)}
.bt b{display:block;font:var(--w-bold) 20px/1.3 var(--f);letter-spacing:-.025em}
.bt.big b{font-size:clamp(26px,3.4vw,36px)}
.bt small{display:block;font-size:13.5px;color:rgba(255,255,255,.7);margin-top:2px}
.bt .go{position:absolute;right:20px;top:18px;font-size:20px;color:var(--hi);transition:transform .2s}
.bt:hover .go{transform:translate(3px,-3px)}
.bt.intro{grid-column:2/4;background:var(--tint);color:var(--ink);justify-content:center;gap:12px}
.bt.intro::before{display:none}
.bt.intro p{font:var(--w-reg) clamp(17px,2vw,21px)/1.6 var(--f)}.bt.intro p b{display:inline;font:inherit;font-weight:var(--w-heavy);color:var(--acc)}
.ph{background:repeating-linear-gradient(135deg,transparent 0 14px,color-mix(in srgb,var(--ink) 7%,transparent) 14px 15px),var(--surface);border:1px dashed var(--ink2);border-radius:8px;display:grid;place-items:center;text-align:center;padding:20px;min-height:260px;color:var(--ink2);font-size:13px;min-width:0}
.ph b{display:block;color:var(--ink);font-weight:var(--w-semi);font-size:14px}
/* 소개 문단 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.lead{font-size:clamp(17px,1.9vw,20px);color:var(--ink2);line-height:1.85;max-width:34em}
/* REPHALT */
.dark{background:var(--dark);color:#fff}
.dark .k{color:var(--hi)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.feat{list-style:none;padding:0;display:grid;gap:0;margin-top:30px}
.feat li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px 0;border-top:1px solid var(--line)}
.dark .feat li{border-color:rgba(255,255,255,.14)}
.feat li:last-child{border-bottom:1px solid var(--line)}.dark .feat li:last-child{border-color:rgba(255,255,255,.14)}
.feat i{font:var(--w-heavy) 15px/1.6 var(--f);font-style:normal;color:var(--acc)}.dark .feat i{color:var(--hi)}
.feat b{display:block;font:var(--w-bold) 17px/1.45 var(--f);letter-spacing:-.02em}
.feat span{display:block;margin-top:3px;font-size:14.5px;color:var(--ink2)}.dark .feat span{color:rgba(255,255,255,.65)}
.tbox{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:460px;font-size:14.5px}
caption{text-align:left;padding:16px 18px 8px;font:var(--w-bold) 13px var(--f);letter-spacing:.04em;color:var(--ink2)}
th{font:var(--w-semi) 12px var(--f);text-align:left;color:var(--ink2);padding:10px 18px;border-bottom:1px solid var(--line);letter-spacing:.04em}
td{padding:13px 18px;border-top:1px solid var(--line)}
td.n{font-weight:var(--w-heavy);font-variant-numeric:tabular-nums;color:var(--acc);white-space:nowrap}
td:last-child{color:var(--ink2)}
tbody tr:first-child td{border-top:0}
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px;counter-reset:s}
.steps li{counter-increment:s;padding-top:14px;border-top:3px solid var(--acc);min-width:0}
.steps li::before{content:"0" counter(s);display:block;font:var(--w-heavy) 14px var(--f);letter-spacing:.1em;color:var(--acc);margin-bottom:6px}
.steps b{display:block;font:var(--w-bold) 16px var(--f)}
.steps span{display:block;font-size:14px;color:var(--ink2);margin-top:2px}
.sub3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.sub3 div{padding:22px;border:1px solid rgba(255,255,255,.16);border-radius:8px;min-width:0}
.sub3 b{display:block;font:var(--w-bold) 17px var(--f)}
.sub3 span{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.66)}
.buy{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:44px}
.buy>div{padding:28px;border-radius:8px;border:1px solid var(--line);background:var(--surface);min-width:0}
.buy>div.hl{border:2px solid var(--acc)}
.buy h3{font:var(--w-heavy) 20px var(--f);letter-spacing:-.02em}
.buy p{margin:6px 0 18px;font-size:14.5px;color:var(--ink2)}
.note{margin-top:14px;font-size:13px;color:var(--ink2)}.dark .note{color:rgba(255,255,255,.55)}
/* 특허 */
.pat{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.pat div{padding:26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);min-width:0}
.pat h3{font:var(--w-bold) 18px/1.4 var(--f);letter-spacing:-.02em}
.pat p{margin-top:8px;font-size:14px;color:var(--ink2)}
.pat small{display:block;margin-top:14px;font:var(--w-bold) 12px var(--f);letter-spacing:.08em;color:var(--acc)}
/* 회사 */
.info{display:grid;grid-template-columns:8em 1fr;gap:0;font-size:15px}
.info dt,.info dd{padding:14px 0;border-top:1px solid var(--line)}
.info dt{font:var(--w-semi) 13px var(--f);color:var(--ink2)}
.info dd{min-width:0}
/* 문의 */
.form{display:grid;gap:14px;max-width:560px}
.form label{display:grid;gap:6px;font:var(--w-semi) 13px var(--f);color:var(--ink2)}
.form input,.form select,.form textarea{font:var(--w-reg) 15px var(--f);padding:13px 14px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);width:100%}
.form textarea{min-height:120px;resize:vertical}
.ok{display:none;padding:14px 16px;border-left:4px solid var(--acc);background:var(--tint);font-size:14.5px}
footer{background:var(--dark);color:rgba(255,255,255,.62);padding-block:44px calc(44px + env(safe-area-inset-bottom,0px));font-size:13.5px}
footer .row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer b{color:#fff;font-weight:var(--w-bold)}
footer .logo{color:#fff;display:block;margin-bottom:10px}
@media (max-width:900px){
 .hd nav{display:none}.burger{display:grid}
 .bento{grid-template-columns:1fr 1fr;grid-template-rows:auto}
 .bt{min-height:170px}.bt.big{grid-column:span 2;grid-row:auto;min-height:260px}.bt.intro{grid-column:span 2}
 .split,.cols,.buy{grid-template-columns:1fr;gap:28px}
 .strip .w{grid-template-columns:1fr 1fr}.strip div:nth-child(3){border-left:0;padding-left:0}.strip div{border-top:1px solid rgba(255,255,255,.12)}.strip div:nth-child(-n+2){border-top:0}
 .steps{grid-template-columns:1fr 1fr}.sub3{grid-template-columns:1fr}
 .pat{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){.pill{display:none}.pat{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.hero .in{padding-block:96px 48px}.info{grid-template-columns:6.5em 1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.bt .go{transition:none}}

.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero::before,.hero::after{z-index:1}.hero::before{background:linear-gradient(180deg,rgba(21,23,26,.55),rgba(21,23,26,.92))}.hero::after{display:none}
.fig{margin:0;position:relative;border-radius:8px;overflow:hidden;min-width:0;background:var(--dark2)}
.fig img{display:block;width:100%;height:100%;object-fit:cover}
.fig figcaption{position:absolute;left:0;bottom:0;right:0;padding:24px 14px 10px;font:var(--w-med) 12px var(--f);color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.figs{display:grid;grid-template-columns:1fr 1fr;gap:10px;min-width:0}.figs .fig{aspect-ratio:4/5}
@media (max-width:520px){.figs{grid-template-columns:1fr}.figs .fig{aspect-ratio:16/10}}

.sub3{font:var(--w-semi) 15px var(--f);letter-spacing:.08em;color:var(--hi);margin:56px 0 16px}
.stp{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stp .fig,.qc .fig,.ba .fig{aspect-ratio:4/3}
.stp figcaption i{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--acc);font-style:normal;margin-right:6px;font-size:11px}
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}.ap{min-width:0}.ap>b{display:block;margin-top:10px;font-weight:var(--w-semi)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.qc{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:40px}
@media (max-width:820px){.stp{grid-template-columns:1fr 1fr}.apps{grid-template-columns:1fr}.qc{grid-template-columns:1fr 1fr}}

.stp.s6{grid-template-columns:repeat(3,1fr)}
.diagram{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:12px}.diagram img{display:block;width:100%;height:auto}.diagram small{display:block;margin-top:8px;font-size:12px;color:#5F6368}
.qc3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.qc3 .fig{aspect-ratio:1/1}.qc3.q4{grid-template-columns:1fr 1fr}.qc3.q4 .fig{aspect-ratio:4/3}
.sites{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:40px}.sites .fig{aspect-ratio:4/3}
@media (max-width:820px){.stp.s6{grid-template-columns:1fr 1fr}.sites{grid-template-columns:1fr}}
@media (max-width:520px){.qc3{grid-template-columns:1fr 1fr}.qc3.q4{grid-template-columns:1fr}.stp.s6{grid-template-columns:1fr}}
.cols>*,.split>*,.pat>*{min-width:0}.tbox{max-width:100%;overflow-x:auto}

/* ---- 브랜드 오버라이드 ---- */
#rephalt .cols>.fig{align-self:stretch;min-height:460px}
.fig>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.k{color:var(--kick)}.dark .k,.hero .k{color:var(--hi)}
.k::before{content:"";display:inline-block;width:18px;height:11px;margin-right:10px;vertical-align:-1px;background:linear-gradient(115deg,transparent 0 20%,var(--red) 20% 42%,transparent 42% 58%,var(--red) 58% 80%,transparent 80%)}
td.n,.feat i,.steps li::before,.bt.intro p b{color:var(--num)}.dark .feat i{color:var(--hi)}
.logo{display:flex;align-items:center}.mlogo{display:block;height:auto}
.plogo{margin-bottom:22px}.plogo svg{display:block;max-width:100%;height:auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.agree{display:flex!important;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink2);line-height:1.6}.agree input{margin-top:4px;width:auto}.agree a{text-decoration:underline}
.ok{display:none;margin-top:12px;padding:12px 14px;border-radius:6px;background:var(--tint);color:var(--ink);font-size:14px}.ok.show{display:block}.ok.err{background:#FDE7E0}
footer .row{align-items:center}.fco{display:block;margin-top:10px}
.hero::before{background:linear-gradient(180deg,rgba(23,25,28,.55),rgba(23,25,28,.92))}
.pg{max-width:760px;margin:0 auto;padding:56px max(20px,env(safe-area-inset-left,0px)) 96px}.pg h1{font-size:30px;margin-bottom:18px}.pg h2{font-size:19px;margin:34px 0 8px}.pg p,.pg li{color:var(--ink2);font-size:15.5px}.pg ul{padding-left:20px;margin:6px 0}

.lang{font-size:13px;font-weight:var(--w-semi,600);letter-spacing:.06em;color:rgba(255,255,255,.75);padding:6px 10px;border:1px solid rgba(255,255,255,.28);border-radius:4px;margin-right:10px;text-decoration:none}
.lang:hover{color:#fff;border-color:var(--acc)}
@media (max-width:480px){.lang{margin-right:6px;padding:5px 8px}}