/*
Theme Name: YSCM GLOBAL
Theme URI: https://yscm.vn
Author: YSCM GLOBAL
Description: YSCM GLOBAL 공식 홈페이지 테마. 제품·브랜드·견적 문의를 관리자 화면에서 베트남어/영어/한국어로 관리합니다.
Version: 1.1.1
Requires at least: 6.2
Requires PHP: 7.4
Text Domain: yscm
*/

:root{
  --bg:#f2f4f3; --surface:#ffffff; --ink:#15212b; --muted:#56656f; --line:#d5dcdf;
  --air:#1d76a8; --air-soft:#e3eff6; --signal:#c98a00; --signal-soft:#fbf1d9; --on-air:#ffffff;
  --display:"Barlow Condensed","Noto Sans KR","Arial Narrow",sans-serif;
  --body:"Be Vietnam Pro","Noto Sans KR",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;margin:0}
html:lang(ko) body{word-break:keep-all}
img{max-width:100%;height:auto}
a{color:var(--air)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);text-wrap:balance;line-height:1.08;margin:0;font-weight:700}
html:lang(ko) h1,html:lang(ko) h2,html:lang(ko) h3{font-family:"Noto Sans KR",sans-serif;letter-spacing:-.02em}
.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--air)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--air);outline-offset:2px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
@media (max-width:600px){.admin-bar .site-header{top:0}}
.site-header .wrap{display:flex;align-items:center;gap:20px;padding-block:12px;flex-wrap:wrap}
.logo{font-family:var(--display);font-weight:700;font-size:1.5rem;letter-spacing:.04em;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px}
.logo span{color:var(--air)}
.logo img{max-height:40px;width:auto}
.site-nav{display:flex;gap:18px;margin-left:auto}
.site-nav a{color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem}
.site-nav a:hover{color:var(--ink)}
.lang{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.lang a{color:var(--muted);font:600 .8rem var(--body);padding:6px 10px;text-decoration:none}
.lang a[aria-current="true"]{background:var(--ink);color:var(--bg)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--air);color:var(--on-air);border:0;border-radius:6px;padding:11px 18px;font:600 .95rem var(--body);text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:none;color:var(--ink);border:1px solid var(--line)}
@media (max-width:760px){.site-nav{display:none}.lang{margin-left:auto}.site-header .btn{display:none}}

/* hero */
.hero{padding-block:56px 40px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);margin:12px 0 18px;text-transform:uppercase}
html:lang(ko) .hero h1{text-transform:none;font-size:clamp(2.1rem,5vw,3.4rem)}
.lead{color:var(--muted);font-size:1.08rem;max-width:34em;margin:0 0 24px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,max-content));gap:24px;margin-top:32px}
.stat{max-width:12em;line-height:1.4}
@media (max-width:520px){.stats{gap:14px}.stats .stat b{font-size:1.3rem}}
.stat b{display:block;font-family:var(--mono);font-size:1.9rem;line-height:1.1}
.stat small{color:var(--muted);font-size:.85rem}
.diagram{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;min-width:0;margin:0}
.diagram svg{width:100%;height:auto;display:block}
.diagram figcaption{font-size:.82rem;color:var(--muted);margin-top:10px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:32px}.hero{padding-block:36px 28px}}

/* problems */
.problems{border-block:1px solid var(--line);background:var(--surface)}
.problems .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.problems .item{padding:24px 24px 24px 0;display:flex;gap:14px;min-width:0}
.problems .item + .item{padding-left:24px;border-left:1px solid var(--line)}
.problems .k{font-family:var(--mono);color:var(--signal);font-size:.85rem;padding-top:3px}
.problems h3{font-size:1.25rem;margin-bottom:4px}
html:lang(ko) .problems h3{font-size:1.05rem}
.problems p{margin:0;color:var(--muted);font-size:.93rem}
@media (max-width:760px){.problems .wrap{grid-template-columns:1fr}.problems .item,.problems .item + .item{padding:18px 0;border-left:0}.problems .item + .item{border-top:1px solid var(--line)}}

section.block{padding-block:64px}
.head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.head h2{font-size:clamp(2rem,4vw,2.8rem);margin-top:6px}
html:lang(ko) .head h2{font-size:clamp(1.6rem,3.4vw,2.2rem)}
.head p{color:var(--muted);max-width:30em;margin:0}

/* spec sheet list */
.sheet{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.row{display:grid;grid-template-columns:110px 1.1fr 1.6fr auto;gap:20px;align-items:center;padding:20px 24px;border-top:1px solid var(--line)}
.row:first-child{border-top:0}
.row.th{padding-block:10px;background:var(--bg);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.row .model{font-family:var(--mono);font-size:1.05rem;color:var(--air)}
.row h3{font-size:1.35rem}
.row h3 a{color:inherit;text-decoration:none}
.row h3 a:hover{color:var(--air)}
html:lang(ko) .row h3{font-size:1.1rem}
.row .use{color:var(--muted);font-size:.93rem;min-width:0}
.tag{display:inline-block;font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:4px;background:var(--air-soft);color:var(--air);margin-top:6px;letter-spacing:.02em}
.tag.amber{background:var(--signal-soft);color:var(--signal)}
.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.ask{display:inline-block;background:none;border:1px solid var(--line);color:var(--ink);border-radius:6px;padding:8px 14px;font:600 .85rem var(--body);cursor:pointer;white-space:nowrap;text-decoration:none}
.ask:hover{border-color:var(--air);color:var(--air)}
.ask.detail{background:var(--air-soft);border-color:transparent;color:var(--air)}
.ask.detail:hover{border-color:var(--air)}
@media (max-width:760px){.row{grid-template-columns:1fr auto;gap:6px 16px;padding:18px}.row.th{display:none}.row .use{grid-column:1/-1}.row .actions{grid-column:2;grid-row:1/3;align-self:start;flex-direction:column}}

/* brands */
.brands{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.brand{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px;display:flex;flex-direction:column;gap:10px;min-width:0}
.brand .top{display:flex;justify-content:space-between;align-items:start;gap:12px;flex-wrap:wrap}
.brand h3{font-size:1.7rem;letter-spacing:.02em}
.brand h3 a{color:inherit;text-decoration:none}
.brand .origin{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.brand p{margin:0;color:var(--muted);font-size:.95rem}
.brand .actions{justify-content:flex-start;margin-top:auto}
.brand .logo-img{max-height:44px;width:auto;align-self:start}
@media (max-width:760px){.brands{grid-template-columns:1fr}}

/* quote */
.quote{background:var(--ink);color:var(--bg)}
.quote .wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;padding-block:64px}
.quote h2{font-size:clamp(2rem,4vw,2.8rem);margin:6px 0 14px}
html:lang(ko) .quote h2{font-size:clamp(1.6rem,3.4vw,2.2rem)}
.quote .eyebrow{color:var(--signal)}
.quote p{opacity:.85;margin:0 0 20px}
.contact{display:grid;gap:12px;font-size:.95rem;margin:0}
.contact div{display:flex;gap:12px}
.contact dt{min-width:80px;opacity:.6;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;padding-top:3px}
.contact dd{margin:0;word-break:break-word}
.contact a{color:inherit}
.qform{display:grid;grid-template-columns:1fr 1fr;gap:14px;min-width:0}
.qform .full{grid-column:1/-1}
.qform label{display:grid;gap:5px;font-size:.82rem;font-weight:500}
.qform input,.qform select,.qform textarea{font:inherit;font-size:.95rem;padding:10px 12px;border-radius:6px;border:1px solid rgba(242,244,243,.28);background:rgba(242,244,243,.08);color:var(--bg);width:100%}
.qform select option{color:#15212b;background:#fff}
.qform textarea{min-height:96px;resize:vertical}
.qform input::placeholder,.qform textarea::placeholder{color:rgba(242,244,243,.45)}
.qform .btn{background:var(--signal);color:#15212b;justify-self:start}
.qform .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.notice{grid-column:1/-1;border-radius:6px;padding:12px 14px;font-size:.92rem;border:1px solid var(--signal);background:rgba(201,138,0,.18)}
.notice.err{border-color:#e06b5b;background:rgba(224,107,91,.18)}
@media (max-width:860px){.quote .wrap{grid-template-columns:1fr;gap:32px}.qform{grid-template-columns:1fr}}

.site-footer{padding-block:28px;color:var(--muted);font-size:.85rem}
.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* diagram drawing */
.pipe{stroke:var(--air);stroke-width:8;fill:none;stroke-linecap:round}
.flow{stroke:var(--surface);stroke-width:2;fill:none;stroke-dasharray:6 10;animation:flow 1.2s linear infinite}
@keyframes flow{to{stroke-dashoffset:-32}}
.box{fill:var(--bg);stroke:var(--ink);stroke-width:1.5}
.unit{fill:var(--air-soft);stroke:var(--air);stroke-width:2}
.drop{fill:var(--signal)}
.drip{animation:drip 1.6s ease-in infinite}
.drip.d2{animation-delay:.8s}
@keyframes drip{0%{transform:translateY(0);opacity:1}80%{opacity:1}100%{transform:translateY(34px);opacity:0}}
.lbl{font:600 12px var(--body);fill:var(--ink)}
.lbl.s{font-weight:500;fill:var(--muted)}
.lbl.big{font:700 15px var(--display);letter-spacing:.06em;fill:var(--air)}
.lbl.warn{fill:var(--signal)}
.n{font:600 11px var(--mono);fill:var(--on-air)}
@media (prefers-reduced-motion:reduce){.flow,.drip{animation:none}html{scroll-behavior:auto}}

/* product page */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:24px}
.crumbs a{color:var(--muted)}
.p-head{padding-block:20px 32px;display:grid;gap:8px}
.p-head .model{font-family:var(--mono);color:var(--air)}
.p-head h1{font-size:clamp(2.2rem,5vw,3.4rem)}
html:lang(ko) .p-head h1{font-size:clamp(1.8rem,4vw,2.6rem)}
.p-head p{margin:0;color:var(--muted);max-width:44em;font-size:1.05rem}
.p-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start;padding-bottom:56px}
.p-main{display:grid;gap:36px;min-width:0}
.p-side{display:grid;gap:28px;min-width:0;position:sticky;top:90px}
.p-main h2,.p-side h2{font-size:1.5rem;margin-bottom:14px}
html:lang(ko) .p-main h2,html:lang(ko) .p-side h2{font-size:1.15rem}
.gallery{display:grid;gap:10px}
.gallery .main{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;aspect-ratio:4/3;display:grid;place-items:center}
.gallery .main img{width:100%;height:100%;object-fit:contain}
.thumbs{display:flex;gap:8px;flex-wrap:wrap}
.thumbs button{border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:0;width:72px;height:72px;overflow:hidden;cursor:pointer}
.thumbs button[aria-current="true"]{border-color:var(--air);box-shadow:0 0 0 1px var(--air)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.video{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.admin-hint{border:1px dashed var(--signal);background:var(--signal-soft);border-radius:8px;padding:14px;font-size:.88rem}
.how{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:center}
.how svg{width:100%;height:auto;max-width:240px}
.how ol{margin:0;padding:0;list-style:none;display:grid;gap:12px;counter-reset:s}
.how li{display:flex;gap:12px;counter-increment:s}
.how li::before{content:counter(s);flex:none;width:24px;height:24px;border-radius:50%;background:var(--air);color:var(--on-air);font:600 .8rem var(--mono);display:grid;place-items:center}
.spec{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.spec th{text-align:left;font-weight:500;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--line);width:44%;vertical-align:top}
.spec td{padding:10px 14px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.note{background:var(--signal-soft);border-left:3px solid var(--signal);padding:10px 14px;border-radius:4px;font-size:.9rem;margin:12px 0 0}
.content{max-width:42em}
.content p{margin:0 0 1em}
.side-cta{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;display:grid;gap:12px}
.side-cta p{margin:0;color:var(--muted);font-size:.92rem}
@media (max-width:860px){.p-grid{grid-template-columns:1fr}.p-side{position:static}.how{grid-template-columns:1fr}.how svg{margin:0 auto}}

/* v1.1: company hero, areas, groups, applications, about */
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);text-transform:none}
html:lang(ko) .hero h1{font-size:clamp(1.9rem,4.2vw,3rem)}
.feat{display:grid;gap:10px}
.feat-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.feat-head a{font-weight:600;font-size:.88rem;text-decoration:none}
.cats{border-block:1px solid var(--line);background:var(--surface)}
.cats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.cat{display:grid;gap:4px;padding:22px 20px 22px 0;text-decoration:none;color:var(--ink);min-width:0;position:relative}
.cat + .cat{padding-left:20px;border-left:1px solid var(--line)}
.cat strong{font-family:var(--display);font-size:1.3rem;line-height:1.15}
html:lang(ko) .cat strong{font-family:"Noto Sans KR",sans-serif;font-size:1.05rem}
.cat span{color:var(--muted);font-size:.88rem;line-height:1.45}
.cat .cat-n{color:var(--air);font-size:.8rem}
.cat:hover strong{color:var(--air)}
@media (max-width:860px){.cats .wrap{grid-template-columns:1fr 1fr}.cat,.cat + .cat{padding:18px 14px 18px 0;border-left:0}.cat:nth-child(even){padding-left:14px;border-left:1px solid var(--line)}.cat:nth-child(n+3){border-top:1px solid var(--line)}}
.probs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}
.probs .item{display:flex;gap:12px;min-width:0}
.probs .k{color:var(--signal);font-size:.85rem;padding-top:2px}
.probs h3{font-size:1.15rem;margin-bottom:2px}
html:lang(ko) .probs h3{font-size:1rem}
.probs p{margin:0;color:var(--muted);font-size:.9rem}
@media (max-width:760px){.probs{grid-template-columns:1fr}}
.group{margin-top:28px;scroll-margin-top:90px}
.group:first-of-type{margin-top:0}
.group-t{font-size:1.4rem;display:flex;align-items:baseline;gap:10px;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
html:lang(ko) .group-t{font-size:1.1rem}
.group-t .mono{font-size:.8rem;color:var(--muted);font-weight:500}
.brand h3{font-size:1.5rem}
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.app{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.app img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;max-width:100%}
.app-body{padding:16px}
.app h3{font-size:1.2rem;margin-bottom:6px}
html:lang(ko) .app h3{font-size:1rem}
.app p{margin:0;color:var(--muted);font-size:.9rem}
@media (max-width:960px){.apps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.apps{grid-template-columns:1fr}}
.about{background:var(--surface);border-top:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.about h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:6px 0 14px}
html:lang(ko) .about h2{font-size:clamp(1.5rem,3vw,2rem)}
.about p{color:var(--muted);max-width:36em}
.about-img img{border-radius:10px;width:100%;height:auto;display:block}
.certs-head{margin:44px 0 16px}
.certs-head h3{font-size:1.4rem}
html:lang(ko) .certs-head h3{font-size:1.1rem}
.certs-head p{margin:4px 0 0;color:var(--muted)}
.certs{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:12px}
.certs a{display:block;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--bg);aspect-ratio:3/4}
.certs img{width:100%;height:100%;object-fit:cover;display:block}
.certs a:hover{border-color:var(--air)}
@media (max-width:860px){.about-grid{grid-template-columns:1fr}}
#products,#brands,#applications,#about,#quote{scroll-margin-top:80px}

/* dark */
@media (prefers-color-scheme:dark){
  :root{--bg:#0f161b;--surface:#16212a;--ink:#e3eaee;--muted:#9aa9b2;--line:#2a3943;--air:#62b4e0;--air-soft:#16303f;--signal:#f0b429;--signal-soft:#3a2f12;--on-air:#0f161b;color-scheme:dark}
  .qform input,.qform select,.qform textarea{border-color:rgba(15,22,27,.3);background:rgba(15,22,27,.06);color:var(--bg)}
  .qform input::placeholder,.qform textarea::placeholder{color:rgba(15,22,27,.5)}
}