/* ===== SITE 3 :: region landing template ===== */
:root{
 --s3-primary:#245b3c;--s3-primary-dark:#173a28;--s3-primary-light:#e9f1e9;
 --s3-cream:#f7f4ea;--s3-panel:#f3efe2;--s3-card:#fffdf8;--s3-text:#1f2b23;
 --s3-muted:#6d7a71;--s3-line:#e6e1d2;--s3-white:#ffffff;--s3-shadow:rgba(24,45,33,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body.s3{margin:0;background:var(--s3-cream);color:var(--s3-text);font-family:Pretendard,"Noto Sans KR",Arial,sans-serif;letter-spacing:-.01em;line-height:1.6;overflow-x:hidden}
.s3 a{color:inherit;text-decoration:none}
.s3 img{display:block;width:100%;height:auto}
.s3 button{font:inherit;cursor:pointer}
.s3-sprite{display:none}
.s3-icon{width:1em;height:1em;display:inline-block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.s3-container{width:min(1180px,calc(100% - 48px));margin:0 auto}

/* header */
.s3-header{position:sticky;top:0;z-index:120;background:rgba(247,244,234,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--s3-line)}
.s3-header-row{height:84px;display:flex;align-items:center;gap:32px;position:relative}
.s3-logo{display:flex;align-items:center;gap:10px;white-space:nowrap}
.s3-logo-mark{width:36px;height:36px;border-radius:11px;background:var(--s3-primary-light);color:var(--s3-primary);display:grid;place-items:center}
.s3-logo-mark .s3-icon{width:20px;height:20px}
.s3-logo-text{display:grid;line-height:1.1}
.s3-logo-text b{font-size:19px;font-weight:800}
.s3-logo-text small{font-size:9px;color:var(--s3-muted);letter-spacing:.03em;margin-top:3px}
.s3-nav{margin-left:12px;display:flex;gap:26px;font-size:14px;font-weight:700}
.s3-nav a{padding:30px 0;position:relative}
.s3-nav a:after{content:"";position:absolute;left:50%;right:50%;bottom:24px;height:2px;background:var(--s3-primary);transition:.25s}
.s3-nav a:hover:after{left:0;right:0}
.s3-header-contact{margin-left:auto;text-align:right}
.s3-phones{display:grid;gap:1px}
.s3-phones a{font-size:14px;font-weight:800;color:var(--s3-text)}
.s3-phones a:first-child{font-size:16px;color:var(--s3-primary)}
.s3-header-tag{font-size:11px;color:var(--s3-muted);margin-top:4px}
.s3-hamb{display:none;border:0;background:transparent;color:var(--s3-text);width:40px;height:40px;align-items:center;justify-content:center}
.s3-hamb .s3-icon{width:24px;height:24px}
.s3-hamb .s3-icon.close{display:none}
.s3-hamb.open .s3-icon.menu{display:none}
.s3-hamb.open .s3-icon.close{display:block}
.s3-mobile-menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--s3-line);padding:18px 22px 22px;box-shadow:0 18px 36px rgba(20,30,22,.1)}
.s3-mobile-menu.open{display:grid;gap:13px}
.s3-mobile-menu a{font-weight:700;font-size:14.5px}
.s3-mobile-menu .s3-mm-phones{border-top:1px solid var(--s3-line);margin-top:6px;padding-top:13px;display:grid;gap:6px}
.s3-mobile-menu .s3-mm-phones a{color:var(--s3-primary);font-weight:800}

/* buttons */
.s3-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 26px;border-radius:999px;background:var(--s3-primary);color:#fff;font-weight:800;font-size:15px;border:1px solid var(--s3-primary);transition:.2s}
.s3-btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px var(--s3-shadow)}
.s3-btn-outline{background:#fff;color:var(--s3-text);border:1px solid var(--s3-line)}
.s3-btn-outline:hover{border-color:var(--s3-primary);color:var(--s3-primary)}
.s3-btn-white{background:#fff;color:var(--s3-primary);border:1px solid #fff;min-height:52px;padding:0 26px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:15px}
.s3-btn-white:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.s3-btn .s3-icon,.s3-btn-outline .s3-icon,.s3-btn-white .s3-icon{width:16px;height:16px}

/* hero */
.s3-hero{padding:26px 0 0}
.s3-hero-card{background:var(--s3-panel);border-radius:38px;overflow:hidden;display:grid;grid-template-columns:1.02fr 1fr;min-height:660px}
.s3-hero-copy{padding:64px 60px;display:flex;flex-direction:column;justify-content:center}
.s3-hero-intro{font-size:15px;color:var(--s3-muted);line-height:1.6;margin:0 0 18px;font-weight:600}
.s3-hero h1{font-size:clamp(32px,3.6vw,48px);line-height:1.26;margin:0 0 20px;font-weight:800;letter-spacing:-.02em}
.s3-hero h1 b{display:block;color:var(--s3-primary);font-size:1.06em;margin-top:2px}
.s3-hero-desc{font-size:16px;color:var(--s3-muted);line-height:1.8;max-width:460px;margin:0 0 30px}
.s3-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.s3-hero-features{display:flex;gap:24px;flex-wrap:wrap}
.s3-hero-feature{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700}
.s3-hero-feature .s3-icon{width:18px;height:18px;color:var(--s3-primary);flex:none}
.s3-hero-media{position:relative;margin:18px 18px 18px 0;border-radius:28px;overflow:hidden;background:#ddd}
.s3-hero-media img{height:100%;object-fit:cover}
.s3-hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,25,18,0) 55%,rgba(10,18,13,.55))}
.s3-hero-script{position:absolute;top:26px;right:30px;z-index:2;color:#fff;font-style:italic;font-family:Georgia,"Times New Roman",serif;font-size:16px;line-height:1.35;text-align:right;text-shadow:0 2px 10px rgba(0,0,0,.4)}
.s3-hero-quote{position:absolute;right:26px;bottom:26px;z-index:2;max-width:260px;background:rgba(255,253,248,.94);padding:18px 20px;border-radius:18px;font-weight:800;font-size:14.5px;line-height:1.6;color:var(--s3-text);box-shadow:0 18px 40px rgba(15,25,18,.22)}

/* icon services */
.s3-icon-services{padding:100px 0 12px}
.s3-section-head{text-align:center;max-width:640px;margin:0 auto 50px}
.s3-eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:var(--s3-primary);margin:0 0 12px;text-transform:uppercase}
.s3-section-head h2{font-size:clamp(25px,2.8vw,33px);margin:0 0 12px;letter-spacing:-.02em}
.s3-section-head p{color:var(--s3-muted);margin:0;font-size:15px;line-height:1.8}
.s3-section-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:38px}
.s3-section-head-row h2{font-size:clamp(24px,2.6vw,32px);margin:0 0 10px;letter-spacing:-.02em}
.s3-section-head-row p{margin:0;color:var(--s3-muted);font-size:14.5px}
.s3-more-link{font-weight:800;font-size:14px;color:var(--s3-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.s3-more-link .s3-icon{width:15px;height:15px}
.s3-icon-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.s3-icon-card{text-align:center;padding:10px 6px}
.s3-icon-circle{width:82px;height:82px;border-radius:50%;background:var(--s3-primary-light);display:grid;place-items:center;margin:0 auto 18px;color:var(--s3-primary);transition:.25s}
.s3-icon-circle .s3-icon{width:32px;height:32px}
.s3-icon-card:hover .s3-icon-circle{background:var(--s3-primary);color:#fff;transform:translateY(-4px)}
.s3-icon-card h3{font-size:15.5px;margin:0 0 6px;font-weight:800}
.s3-icon-card p{font-size:12px;color:var(--s3-muted);margin:0;line-height:1.5}

/* promo / video */
.s3-promo{padding:96px 0}
.s3-promo-inner{display:grid;grid-template-columns:1fr 1fr;border-radius:36px;overflow:hidden;min-height:440px;box-shadow:0 30px 70px rgba(20,35,25,.12)}
.s3-promo-copy{background:linear-gradient(150deg,#1c4530,#2b5f43);color:#fff;padding:60px;display:flex;flex-direction:column;justify-content:center}
.s3-promo-copy .s3-eyebrow{color:#bcdcc9}
.s3-promo-copy h2{font-size:clamp(27px,2.8vw,38px);margin:0 0 16px;line-height:1.32;letter-spacing:-.02em}
.s3-promo-copy p{color:rgba(255,255,255,.76);margin:0 0 30px;font-size:14.5px;line-height:1.8}
.s3-play{display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);padding:6px 20px 6px 6px;border-radius:999px;color:#fff;font-weight:800;font-size:13.5px;width:fit-content}
.s3-play-circle{width:40px;height:40px;border-radius:50%;background:#fff;color:var(--s3-primary);display:grid;place-items:center;flex:none}
.s3-play-circle .s3-icon{width:14px;height:14px}
.s3-promo-media{position:relative}
.s3-promo-media img,.s3-promo-media video{width:100%;height:100%;object-fit:cover}
.s3-promo-media:after{content:"";position:absolute;inset:0;background:linear-gradient(10deg,rgba(8,18,12,.55),rgba(8,18,12,0) 55%)}
.s3-promo-tag{position:absolute;right:22px;bottom:26px;color:#fff;font-size:10px;letter-spacing:.24em;font-weight:800;writing-mode:vertical-rl;opacity:.85}

/* process */
.s3-process{padding:70px 0 104px}
.s3-process-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--s3-line)}
.s3-process-item{padding:38px 30px 8px;border-right:1px solid var(--s3-line)}
.s3-process-item:last-child{border-right:0}
.s3-process-icon{width:46px;height:46px;border-radius:14px;background:var(--s3-primary-light);color:var(--s3-primary);display:grid;place-items:center;margin-bottom:20px}
.s3-process-icon .s3-icon{width:22px;height:22px}
.s3-process-num{font-size:11.5px;color:var(--s3-primary);font-weight:800;letter-spacing:.1em;margin-bottom:10px}
.s3-process-item h3{font-size:18px;margin:0 0 8px;font-weight:800}
.s3-process-item p{font-size:13px;color:var(--s3-muted);margin:0;line-height:1.7}

/* before/after cases */
.s3-cases{padding:14px 0 104px}
.s3-ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.s3-ba{position:relative;aspect-ratio:4/3;border-radius:24px;overflow:hidden;background:#ddd;box-shadow:0 16px 40px rgba(20,30,22,.08)}
.s3-ba>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.s3-ba-after{clip-path:inset(0 0 0 50%)}
.s3-ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:6;margin:0}
.s3-ba-line{position:absolute;left:50%;top:0;bottom:0;width:2px;background:#fff;z-index:4;pointer-events:none}
.s3-ba-line:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.24)}
.s3-ba-line:after{content:"\2194";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-weight:900;color:var(--s3-primary);font-size:15px}
.s3-ba-tag{position:absolute;top:14px;z-index:5;padding:6px 13px;background:rgba(18,28,20,.68);color:#fff;border-radius:999px;font-size:10.5px;font-weight:800;letter-spacing:.05em}
.s3-ba-tag.before{left:14px}
.s3-ba-tag.after{right:14px;background:var(--s3-primary)}
.s3-ba-caption{margin-top:14px;font-weight:800;font-size:15px}

/* cta band */
.s3-cta{padding-bottom:104px}
.s3-cta-inner{background:linear-gradient(150deg,#1c4530,#2f6448);border-radius:34px;padding:56px 60px;display:flex;justify-content:space-between;align-items:center;gap:36px;color:#fff;flex-wrap:wrap;box-shadow:0 30px 70px rgba(20,35,25,.18)}
.s3-cta-copy h2{font-size:clamp(23px,2.4vw,30px);margin:0 0 10px;line-height:1.44;letter-spacing:-.01em}
.s3-cta-copy p{margin:0;color:rgba(255,255,255,.76);font-size:14px}
.s3-cta-contact{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.s3-cta-phones{display:grid;gap:2px}
.s3-cta-phones a{font-weight:800;font-size:16px}
.s3-cta-meta{font-size:11.5px;color:rgba(255,255,255,.65);margin-top:6px}

/* footer */
.s3-footer{padding:48px 0 60px;border-top:1px solid var(--s3-line)}
.s3-footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px}
.s3-footer small{color:var(--s3-muted);font-size:12.5px;line-height:1.8}
.s3-footer-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:12.5px}
.s3-footer-links a{color:var(--s3-muted)}
.s3-footer-links a:hover{color:var(--s3-primary)}

/* mobile sticky bar */
.s3-mobile-bar{display:none}

/* reveal */
.s3-reveal{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.2,.75,.25,1),transform .6s cubic-bezier(.2,.75,.25,1)}
.s3-reveal.is-in{opacity:1;transform:none}

@media(max-width:1100px){
 .s3-container{width:min(100% - 40px,1180px)}
 .s3-nav,.s3-header-contact{display:none}
 .s3-hamb{display:flex}
 .s3-hero-card{grid-template-columns:1fr;min-height:auto}
 .s3-hero-copy{padding:52px 40px 40px}
 .s3-hero-media{min-height:400px;margin:0 24px 24px}
 .s3-icon-grid{grid-template-columns:repeat(5,1fr);gap:10px}
 .s3-icon-circle{width:64px;height:64px}
 .s3-icon-circle .s3-icon{width:26px;height:26px}
 .s3-icon-card h3{font-size:12.5px}
 .s3-icon-card p{display:none}
 .s3-promo-inner{grid-template-columns:1fr;min-height:auto}
 .s3-promo-media{min-height:320px;order:-1}
 .s3-promo-copy{padding:44px 36px}
 .s3-process-grid{grid-template-columns:1fr 1fr}
 .s3-process-item:nth-child(2){border-right:0}
 .s3-process-item:nth-child(-n+2){border-bottom:1px solid var(--s3-line)}
 .s3-ba-grid{grid-template-columns:1fr 1fr}
 .s3-cta-inner{padding:44px 36px}
}
@media(max-width:680px){
 .s3-container{width:calc(100% - 32px)}
 body.s3{padding-bottom:64px}
 .s3-header-row{height:66px}
 .s3-logo-text b{font-size:16px}
 .s3-logo-text small{display:none}
 .s3-mobile-menu{top:66px}
 .s3-hero{padding:14px 0 0}
 .s3-hero-card{border-radius:26px}
 .s3-hero-copy{padding:38px 22px 30px}
 .s3-hero-intro{font-size:13.5px}
 .s3-hero h1{font-size:29px;line-height:1.3}
 .s3-hero-desc{font-size:14.5px;margin-bottom:24px}
 .s3-hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:26px}
 .s3-btn,.s3-btn-outline{min-height:48px;padding:0 10px;font-size:13.5px}
 .s3-hero-features{gap:0;justify-content:space-between}
 .s3-hero-feature{flex-direction:column;text-align:center;gap:6px;font-size:10.5px;width:31%}
 .s3-hero-feature .s3-icon{width:20px;height:20px}
 .s3-hero-media{min-height:280px;margin:0 14px 14px;border-radius:20px}
 .s3-hero-script{font-size:12px;top:16px;right:18px}
 .s3-hero-quote{right:14px;left:14px;bottom:14px;max-width:none;font-size:13px;padding:14px 16px}
 .s3-icon-services{padding:64px 0 8px}
 .s3-section-head{margin-bottom:30px}
 .s3-section-head p{font-size:13.5px}
 .s3-icon-grid{gap:6px}
 .s3-icon-circle{width:52px;height:52px;margin-bottom:10px}
 .s3-icon-circle .s3-icon{width:22px;height:22px}
 .s3-icon-card h3{font-size:11px}
 .s3-promo{padding:56px 0}
 .s3-promo-inner{border-radius:24px}
 .s3-promo-media{min-height:220px}
 .s3-promo-copy{padding:32px 24px}
 .s3-promo-copy p{font-size:13.5px}
 .s3-process{padding:52px 0 64px}
 .s3-process-grid{grid-template-columns:1fr;border-top:0}
 .s3-process-item{border-right:0!important;border-bottom:1px solid var(--s3-line);padding:24px 0}
 .s3-process-item:last-child{border-bottom:0}
 .s3-cases{padding:8px 0 64px}
 .s3-section-head-row{margin-bottom:26px}
 .s3-ba-grid{grid-template-columns:1fr;gap:16px}
 .s3-cta{padding-bottom:64px}
 .s3-cta-inner{padding:32px 24px;border-radius:24px;text-align:center;justify-content:center}
 .s3-cta-copy{width:100%}
 .s3-cta-contact{width:100%;justify-content:center;flex-direction:column;gap:14px}
 .s3-footer{padding:36px 0 30px}
 .s3-footer-row{display:grid;text-align:left}
 .s3-mobile-bar{display:grid;grid-template-columns:1fr 1fr 1.2fr;position:fixed;left:0;right:0;bottom:0;z-index:110;background:#fff;border-top:1px solid var(--s3-line);box-shadow:0 -8px 24px rgba(0,0,0,.12)}
 .s3-mobile-bar a{padding:13px 4px;text-align:center;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:5px}
 .s3-mobile-bar a .s3-icon{width:15px;height:15px}
 .s3-mobile-bar a:last-child{background:var(--s3-primary);color:#fff}
}
@media(prefers-reduced-motion:reduce){.s3-reveal{opacity:1!important;transform:none!important}}