:root{--navy:#0D1B2A;--navy2:#10233d;--steel:#1B3A5C;--blue:#2E86AB;--red:#ff3030;--orange:#f7941e;--gold:#E8B84B;--light:#F4F7FB;--white:#fff;--muted:#6c7888;--text:#172033}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans KR','Malgun Gothic',sans-serif;color:var(--text);background:#fff;line-height:1.65;word-break:keep-all}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:fixed;top:0;left:0;right:0;height:78px;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 6vw;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(13,27,42,.08)}.brand img{height:52px;width:auto}.nav-links{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:800}.nav-links a{color:#10192e;opacity:.78}.nav-links a:hover{opacity:1}.nav-contact{background:var(--navy);color:#fff!important;opacity:1!important;padding:12px 20px;border-radius:12px}.menu-btn{display:none;border:0;background:var(--navy);color:white;border-radius:10px;padding:9px 12px;font-size:22px}.hero{height:100vh;min-height:760px;position:relative;overflow:hidden;display:flex;align-items:center;padding:120px 6vw 80px;background:var(--navy);color:#fff}.hero-bg{position:absolute;inset:0;background:url('assets/hero-press.jpg') center/cover no-repeat;transform:scale(1.03)}.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,27,42,.96) 0%,rgba(13,27,42,.86) 39%,rgba(13,27,42,.38) 68%,rgba(13,27,42,.25) 100%)}.hero-content{position:relative;z-index:2;max-width:830px}.eyebrow{font-weight:900;letter-spacing:.22em;font-size:15px;margin:0 0 24px}.red{color:var(--red)}.gold{color:var(--gold)}.hero .eyebrow{color:#ff4040}.hero h1{font-size:clamp(56px,7vw,112px);letter-spacing:-.07em;line-height:1.02;margin:0 0 28px;font-weight:950}.hero-copy{font-size:clamp(20px,2vw,28px);font-weight:600;max-width:760px;color:rgba(255,255,255,.9);margin:0}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:42px}.btn{display:inline-flex;align-items:center;justify-content:center;min-width:170px;height:58px;border-radius:14px;font-weight:900}.btn.primary{background:linear-gradient(135deg,#ff3030,#f7941e);box-shadow:0 18px 40px rgba(255,48,48,.28)}.btn.ghost{border:1px solid rgba(255,255,255,.65);color:#fff}.hero-panel{position:absolute;z-index:2;right:6vw;bottom:70px;width:min(410px,35vw);background:rgba(255,255,255,.95);color:var(--navy);border-radius:26px;padding:28px;box-shadow:0 24px 70px rgba(0,0,0,.28);display:grid;grid-template-columns:100px 1fr;gap:10px 20px}.hero-panel span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:900}.hero-panel strong{font-size:18px;color:var(--navy)}.proof-band{position:relative;z-index:5;max-width:1320px;margin:-70px auto 0;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.proof-card{background:#fff;border-radius:24px;padding:28px;box-shadow:0 22px 60px rgba(13,27,42,.12);border:1px solid rgba(13,27,42,.06)}.proof-card span{color:var(--red);font-weight:950}.proof-card strong{display:block;font-size:23px;letter-spacing:-.04em;margin:8px 0;color:var(--navy)}.proof-card p{margin:0;color:var(--muted);font-weight:600}.proof-card.highlight{background:var(--navy);color:#fff}.proof-card.highlight strong{color:#fff}.proof-card.highlight p{color:rgba(255,255,255,.75)}.section{max-width:1320px;margin:0 auto;padding:130px 28px}.section-head{margin-bottom:54px}.section-head h2{font-size:clamp(38px,4.3vw,68px);line-height:1.12;letter-spacing:-.07em;margin:0;color:var(--navy);font-weight:950}.section-head.light h2{color:#fff}.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.intro-text p{font-size:20px;color:#3e4a5c;margin:0 0 20px}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}.mini-stats div{background:var(--light);border-radius:20px;padding:24px}.mini-stats b{display:block;font-size:30px;color:var(--navy)}.mini-stats span{font-size:14px;color:var(--muted);font-weight:700}.image-card{margin:0;border-radius:30px;overflow:hidden;position:relative;box-shadow:0 25px 70px rgba(13,27,42,.16)}.image-card img{width:100%;height:560px;object-fit:cover}.image-card figcaption{position:absolute;left:22px;bottom:22px;background:rgba(13,27,42,.86);color:#fff;border-radius:14px;padding:12px 16px;font-weight:800}.dark{max-width:none;background:var(--navy);color:#fff;padding-left:calc((100vw - 1320px)/2 + 28px);padding-right:calc((100vw - 1320px)/2 + 28px)}.process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.15);border-radius:30px;overflow:hidden}.process-line div{padding:36px;background:rgba(255,255,255,.04);border-right:1px solid rgba(255,255,255,.13)}.process-line div:last-child{border-right:0}.process-line span{color:var(--gold);font-weight:950}.process-line strong{display:block;font-size:23px;margin:12px 0}.process-line p{margin:0;color:rgba(255,255,255,.72)}.product-grid{display:grid;grid-template-columns:1.2fr .8fr;grid-auto-rows:360px;gap:24px}.product-card{position:relative;overflow:hidden;border-radius:30px;background:var(--navy);box-shadow:0 22px 55px rgba(13,27,42,.14)}.product-card.big{grid-row:span 2}.product-card img{width:100%;height:100%;object-fit:cover;transition:.6s}.product-card:hover img{transform:scale(1.05)}.product-card::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(13,27,42,.88),rgba(13,27,42,.1) 62%)}.product-card div{position:absolute;left:30px;right:30px;bottom:28px;z-index:2;color:#fff}.product-card span{color:var(--gold);font-size:13px;font-weight:950;letter-spacing:.14em}.product-card h3{font-size:34px;margin:6px 0 6px;letter-spacing:-.04em}.product-card p{margin:0;color:rgba(255,255,255,.82);font-weight:600}.facility-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.facility-card{border-radius:28px;overflow:hidden;background:#fff;border:1px solid rgba(13,27,42,.08);box-shadow:0 18px 55px rgba(13,27,42,.1)}.facility-card img{height:330px;width:100%;object-fit:cover}.facility-body{padding:28px}.facility-body small{color:var(--red);font-weight:950;letter-spacing:.12em}.facility-body h3{font-size:28px;margin:8px 0;color:var(--navy)}.facility-body p{margin:0;color:var(--muted);font-weight:600}
.contact{max-width:none;background:#eef3f8;padding:120px 6vw 95px;color:var(--navy)}
.contact-shell{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:start}
.eyebrow.blue{color:#1976ad;letter-spacing:.28em;font-size:14px;margin-bottom:14px}.contact-left h2{font-size:clamp(44px,5vw,76px);line-height:1;margin:0;color:#06122b;font-weight:400;letter-spacing:-.08em;font-family:Georgia,'Noto Serif KR',serif}.title-line{width:64px;height:3px;background:#e7b83f;margin:34px 0 46px}.contact-location{margin-bottom:34px}.contact-location h3{font-size:16px;color:#176da3;margin:0 0 14px;font-weight:950;letter-spacing:.02em}.contact-location p{font-size:17px;line-height:1.8;margin:0;color:#06122b;font-weight:500}.contact-location a{color:#06122b;text-decoration:none}.contact-form{display:grid;gap:16px;margin-top:100px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-form input,.contact-form textarea,.contact-form select{width:100%;border:1px solid #c8d5e5;background:#fff;border-radius:0;padding:18px 18px;font-size:16px;font-family:inherit;color:#06122b;outline:none}.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{border-color:#176da3;box-shadow:0 0 0 3px rgba(23,109,163,.08)}.contact-form textarea{height:170px;resize:vertical}.form-actions{display:flex;gap:12px;align-items:center;margin-top:2px}.contact-form button,.call-btn{border:0;background:#071827;color:#fff;padding:18px 34px;font-weight:950;font-size:16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-height:56px}.call-btn{background:#fff;color:#071827;border:1px solid #c8d5e5}.contact-form button:hover{background:#123457}.call-btn:hover{border-color:#071827}.form-note{font-size:13px;color:#6c7888;margin:8px 0 0;line-height:1.6}.footer{padding:45px 6vw;background:#07111f;color:rgba(255,255,255,.55);display:flex;justify-content:space-between;align-items:center}.footer img{height:50px;background:white;border-radius:8px;padding:4px}.floating-contact{position:fixed;right:24px;bottom:24px;z-index:999;background:linear-gradient(135deg,#ff3030,#f7941e);color:#fff;border-radius:999px;padding:15px 22px;font-weight:950;box-shadow:0 16px 38px rgba(255,48,48,.26)}@media(max-width:980px){.site-header{height:70px;padding:0 22px}.brand img{height:44px}.menu-btn{display:block}.nav-links{position:fixed;top:70px;left:0;right:0;background:#fff;display:none;flex-direction:column;align-items:flex-start;padding:20px 24px;border-bottom:1px solid rgba(13,27,42,.08)}.nav-links.open{display:flex}.nav-links a{color:var(--navy)}.nav-contact{color:#fff!important}.hero{min-height:760px;padding:110px 24px 80px}.hero-panel{display:none}.proof-band{grid-template-columns:1fr;margin-top:-50px}.intro-grid,.contact-shell{grid-template-columns:1fr}.process-line{grid-template-columns:1fr}.process-line div{border-right:0;border-bottom:1px solid rgba(255,255,255,.13)}.product-grid,.facility-grid{grid-template-columns:1fr}.product-card.big{grid-row:auto}.product-grid{grid-auto-rows:340px}.mini-stats{grid-template-columns:1fr}.footer{display:block}.footer p{margin-top:18px}.floating-contact{left:18px;right:18px;text-align:center}.section{padding:92px 24px}.dark{padding-left:24px;padding-right:24px}.contact{padding:88px 24px}.contact-form{margin-top:10px}.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column;align-items:stretch}.contact-form button,.call-btn{width:100%}}

/* v7: header branding + language switch */
.brand{display:flex;align-items:center;gap:14px;min-width:280px}
.brand-copy{display:flex;flex-direction:column;line-height:1.05;border-left:1px solid rgba(13,27,42,.16);padding-left:14px}
.brand-copy strong{font-size:18px;font-weight:950;color:#071827;letter-spacing:.03em}
.brand-copy em{font-style:normal;font-size:13px;font-weight:900;color:#071827;margin-top:4px;letter-spacing:-.02em}
.brand-copy small{font-size:10px;font-weight:800;color:#7a8797;margin-top:5px;letter-spacing:.08em}.lang-btn{border:1px solid rgba(13,27,42,.18);background:#fff;color:#071827;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:950;cursor:pointer}.lang-btn.active{background:#071827;color:#fff;border-color:#071827}.footer-brand{display:flex;align-items:center;gap:14px}.footer-brand span{display:flex;flex-direction:column;color:#fff}.footer-brand b{font-size:15px}.footer-brand small{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.08em;margin-top:3px}@media(max-width:980px){.brand{min-width:0}.brand img{height:40px}.brand-copy strong{font-size:15px}.brand-copy em{font-size:11px}.brand-copy small{display:none}.lang-btn{margin-right:8px}.footer-brand{margin-bottom:18px}}@media(max-width:560px){.brand-copy{display:none}.site-header{padding:0 16px}.brand img{height:42px}}


/* v9 refinement: keep v7 design, improve branding and mobile */
.brand img{height:54px;}
.brand-copy strong{font-size:20px;}
.brand-copy em{font-size:14px;}
.contact-form input[type="hidden"]{display:none;}
@media(max-width:980px){.brand-copy{display:flex}.brand-copy strong{font-size:14px}.brand-copy em{font-size:10px}.brand-copy small{display:none}.brand img{height:38px}}
@media(max-width:640px){.brand-copy{display:none}.hero-content h1{font-size:clamp(48px,14vw,72px)}.hero-copy{font-size:20px}.proof-card strong{font-size:20px}.facility-card img{height:250px}}

.sub-hero{padding:150px 6vw 90px;background:linear-gradient(135deg,#07183c,#132e66);color:#fff}.sub-hero-inner{max-width:1240px;margin:0 auto}.sub-hero h1{font-size:clamp(44px,6vw,82px);line-height:1.08;letter-spacing:-.06em;margin:0 0 24px;font-weight:950}.sub-hero p{font-size:20px;line-height:1.85;color:rgba(255,255,255,.82);max-width:880px}.sub-section{max-width:1240px;margin:0 auto;padding:100px 28px}.sub-title{font-size:clamp(34px,4vw,56px);line-height:1.15;letter-spacing:-.05em;color:#07183c;margin:0 0 24px;font-weight:950}.sub-lead{font-size:18px;color:#596578;line-height:1.85;max-width:900px}.material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:42px}.material-card{background:#fff;border:1px solid rgba(7,24,60,.08);box-shadow:0 14px 34px rgba(7,24,60,.07);border-radius:28px;padding:30px}.material-card b{display:inline-flex;background:#07183c;color:#fff;border-radius:999px;padding:6px 12px;font-size:13px;margin-bottom:16px}.material-card h2,.material-card h3{font-size:28px;color:#07183c;margin:0 0 12px}.material-card p{color:#536176;line-height:1.8;margin:0 0 16px}.tag-list{display:flex;gap:8px;flex-wrap:wrap}.tag-list span{background:#eef2f7;color:#243247;border-radius:999px;padding:6px 11px;font-size:13px;font-weight:800}.category-nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:36px}.category-nav a{background:#fff;color:#07183c;border:1px solid rgba(7,24,60,.14);border-radius:999px;padding:11px 16px;font-weight:900}.product-detail{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center;margin-top:44px;background:#fff;border-radius:32px;padding:30px;border:1px solid rgba(7,24,60,.08);box-shadow:0 14px 34px rgba(7,24,60,.07)}.product-detail img{border-radius:24px;height:330px;width:100%;object-fit:cover}.product-detail h2{font-size:34px;color:#07183c;margin:0 0 14px}.product-detail p{font-size:17px;line-height:1.85;color:#536176}.split-box{background:#f4f7fb;border-radius:32px;padding:40px;margin-top:42px}.split-box ul{margin:14px 0 0;padding-left:22px;color:#536176;line-height:2}@media(max-width:900px){.material-grid,.product-detail{grid-template-columns:1fr}.sub-hero{padding-top:120px}.nav-links{gap:18px}}

.material-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:18px}.material-links b{color:#07183c;margin-right:4px}.material-links a{background:#07183c;color:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:900;text-decoration:none}.material-links a:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(7,24,60,.16)}


/* v13 technical resource tables */
.resource-tabs{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}.resource-tabs a{background:#fff;color:#07183c;border-radius:999px;padding:12px 18px;font-weight:950;border:1px solid rgba(7,24,60,.14)}
.tech-note{background:#fff8ec;border:1px solid rgba(247,148,30,.22);border-radius:24px;padding:24px 28px;margin:34px 0;color:#4b5668;line-height:1.85}.tech-note strong{color:#07183c}.table-wrap{overflow-x:auto;background:#fff;border:1px solid rgba(7,24,60,.08);border-radius:28px;box-shadow:0 16px 38px rgba(7,24,60,.07);margin-top:28px}.compat-table{width:100%;border-collapse:separate;border-spacing:0;min-width:980px;font-size:15px}.compat-table th{position:sticky;top:0;background:#07183c;color:#fff;text-align:center;padding:16px 14px;border-right:1px solid rgba(255,255,255,.12);white-space:nowrap}.compat-table th:first-child{text-align:left;border-top-left-radius:28px}.compat-table th:last-child{border-top-right-radius:28px;border-right:0}.compat-table td{padding:15px 14px;border-bottom:1px solid rgba(7,24,60,.08);border-right:1px solid rgba(7,24,60,.06);text-align:center;color:#243247}.compat-table td:first-child{text-align:left;font-weight:900;color:#07183c;background:#f7f9fc}.compat-table tr:last-child td{border-bottom:0}.compat-table .good{font-weight:950;color:#096b3b}.compat-table .fair{font-weight:950;color:#a96a00}.compat-table .poor{font-weight:950;color:#a61e1e}.compat-table .check{font-size:18px;font-weight:950}.legend-box{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.legend-box span{background:#eef2f7;border-radius:999px;padding:8px 13px;font-weight:900;color:#27354b}.selection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:30px}.selection-card{background:#fff;border:1px solid rgba(7,24,60,.08);box-shadow:0 12px 30px rgba(7,24,60,.06);border-radius:26px;padding:26px}.selection-card h3{font-size:22px;color:#07183c;margin:0 0 12px}.selection-card p{margin:0;color:#596578;line-height:1.75}.selection-card .tag-list{margin-top:16px}.material-index-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:26px}.material-index-grid a{background:#07183c;color:#fff;border-radius:18px;padding:18px;font-weight:950;text-align:center}.material-index-grid a small{display:block;color:rgba(255,255,255,.68);font-weight:700;margin-top:4px}@media(max-width:900px){.selection-grid,.material-index-grid{grid-template-columns:1fr}.compat-table{font-size:14px}.sub-section{padding-left:20px;padding-right:20px}}


/* v14 visual material guide - cleaner, table-first layout */
.compact{padding-top:74px;padding-bottom:74px}.material-hero{background:linear-gradient(135deg,#06142d,#102f63 58%,#f7941e 160%)}.section-head-row{display:grid;grid-template-columns:1fr .9fr;gap:38px;align-items:end}.sub-lead.small{font-size:16px;max-width:560px}.score-legend{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 18px}.score-legend span{background:#edf2f7;border:1px solid rgba(7,24,60,.08);border-radius:999px;padding:9px 14px;color:#26364d;font-weight:950}.table-wrap.clean{border-radius:12px;box-shadow:0 8px 26px rgba(7,24,60,.08);border:1px solid #dbe3ed}.table-wrap.clean .compat-table{min-width:900px}.score-table th{background:#102f63;border-radius:0!important;padding:14px 12px}.score-table td{padding:13px 12px}.score-table td a{font-weight:950;color:#07183c}.score-table td small{display:block;color:#7d8897;font-size:12px;margin-top:3px}.material-list.jkr-style{display:grid;gap:16px;margin-top:30px}.material-row{display:grid;grid-template-columns:210px 1fr;gap:0;background:#fff;border:1px solid #dbe3ed;border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(7,24,60,.06)}.material-code{background:linear-gradient(180deg,#102f63,#07183c);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:center}.material-code b{font-size:42px;line-height:1;font-weight:950;letter-spacing:-.04em}.material-code span{font-size:14px;margin-top:10px;color:rgba(255,255,255,.76);font-weight:800}.material-info{padding:26px 30px}.material-info h3{font-size:28px;margin:0 0 10px;color:#07183c}.material-info p{font-size:16px;line-height:1.75;color:#536176;margin:0 0 16px}.material-info dl{display:grid;grid-template-columns:92px 1fr;gap:8px 14px;margin:0 0 16px}.material-info dt{font-weight:950;color:#102f63}.material-info dd{margin:0;color:#536176}.cta-panel{background:linear-gradient(135deg,#07183c,#102f63);border-radius:18px;padding:42px;color:#fff}.cta-panel h2{font-size:34px;line-height:1.2;margin:0 0 12px}.cta-panel p{font-size:17px;line-height:1.75;color:rgba(255,255,255,.75);max-width:820px}.cta-panel a{display:inline-flex;margin-top:14px;background:#fff;color:#07183c;border-radius:999px;padding:13px 18px;font-weight:950}.product-matrix{display:grid;gap:24px}.product-panel{display:grid;grid-template-columns:430px 1fr;gap:36px;align-items:center;background:#fff;border:1px solid #dbe3ed;border-radius:14px;padding:24px;box-shadow:0 8px 24px rgba(7,24,60,.06)}.product-panel img{width:100%;height:300px;object-fit:cover;border-radius:10px}.product-panel h2{font-size:36px;color:#07183c;margin:0 0 14px;letter-spacing:-.04em}.product-panel p{font-size:17px;line-height:1.78;color:#536176;margin:0 0 16px}.need-grid{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 18px}.need-grid span{background:#f1f5f9;border:1px solid #e0e8f1;border-radius:8px;padding:8px 12px;font-weight:900;color:#27354b}.material-links{border-top:1px dashed #dbe3ed;padding-top:16px}.selection-grid.visual{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.selection-grid.visual article{background:#fff;border:1px solid #dbe3ed;border-radius:14px;padding:24px;box-shadow:0 8px 22px rgba(7,24,60,.05)}.selection-grid.visual b{display:inline-flex;background:#edf2f7;color:#102f63;border-radius:999px;padding:7px 11px;font-size:13px;margin-bottom:12px}.selection-grid.visual h3{font-size:24px;color:#07183c;margin:0 0 10px}.selection-grid.visual p{line-height:1.7;color:#536176;margin:0}@media(max-width:900px){.section-head-row,.material-row,.product-panel,.selection-grid.visual{grid-template-columns:1fr}.material-code{padding:22px}.material-code b{font-size:34px}.product-panel img{height:240px}.product-panel h2{font-size:30px}.compact{padding-top:52px;padding-bottom:52px}}

/* v15 SEO link panels */
.cta-panel.light-seo{background:#f6f9fd;color:#07183c;border:1px solid #dbe3ed;box-shadow:0 8px 24px rgba(7,24,60,.06)}
.cta-panel.light-seo p{color:#536176}
.seo-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.seo-links a{display:inline-flex;background:#07183c;color:#fff;border-radius:999px;padding:12px 16px;font-weight:950}
.seo-links a:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(7,24,60,.16)}