/* ==========================================================
   삼정알에스아이 (Samjung RSI) — site stylesheet
   ========================================================== */
:root{
  --ink:#0b1426;
  --navy:#0f2a5c;
  --navy-2:#13366f;
  --blue:#3e7bfa;
  --green:#2fbf8f;
  --paper:#f5f6f8;
  --line:#e3e6ec;
  --muted:#6b7385;
  --white:#fff;
  --max:1280px;
  --gutter:clamp(20px,4vw,56px);
  --ease:cubic-bezier(.22,.8,.2,1);
  --kr:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  --en:"Sora","Pretendard Variable",Pretendard,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--kr);color:var(--ink);background:var(--white);line-height:1.7;word-break:keep-all;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.en{font-family:var(--en)}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:16px;top:16px;z-index:999;background:#fff;padding:8px 12px}

/* ---------- Header ---------- */
.header{position:fixed;inset:0 0 auto 0;z-index:100;height:84px;display:flex;align-items:center;transition:background .4s var(--ease),height .4s var(--ease),box-shadow .4s,transform .45s var(--ease)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;max-width:none}
.logo{display:flex;align-items:center;height:40px}
.logo img{height:34px;width:auto;transition:filter .4s}
.logo .logo-text{font-family:var(--en);font-weight:700;font-size:22px;letter-spacing:-.02em;color:var(--navy)}
.logo .logo-text b{color:var(--blue);font-weight:700;margin-left:2px;font-size:.7em;vertical-align:super}
.header.on-dark .logo img{filter:brightness(0) invert(1)}
.header.on-dark .logo-text{color:#fff}
.gnb{display:flex;gap:clamp(24px,3.4vw,56px)}
.gnb a{font-family:var(--en);font-size:15px;font-weight:500;letter-spacing:.04em;position:relative;padding:6px 0;color:var(--ink);transition:color .3s}
.header.on-dark .gnb a{color:#fff}
.gnb a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.gnb a:hover::after,.gnb a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);height:68px;box-shadow:0 1px 0 var(--line)}
.header.scrolled.on-dark .logo img{filter:none}
.header.scrolled.on-dark .logo-text{color:var(--navy)}
.header.scrolled.on-dark .gnb a{color:var(--ink)}
.header.hide{transform:translateY(-100%)}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative;z-index:120}
.menu-btn span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:transform .4s var(--ease),opacity .3s,background .3s}
.menu-btn span:nth-child(1){top:15px}.menu-btn span:nth-child(2){top:21px}.menu-btn span:nth-child(3){top:27px}
.header.on-dark:not(.scrolled) .menu-btn span{background:#fff}
body.menu-open .menu-btn span{background:#fff!important}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* mobile full-screen menu */
.mnav{position:fixed;inset:0;z-index:110;background:var(--navy);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:0 var(--gutter);clip-path:circle(0% at calc(100% - 42px) 42px);transition:clip-path .7s var(--ease);visibility:hidden}
body.menu-open .mnav{clip-path:circle(150% at calc(100% - 42px) 42px);visibility:visible}
.mnav a{display:block;font-family:var(--en);font-size:clamp(34px,9vw,56px);font-weight:600;line-height:1.35;opacity:0;transform:translateY(24px);transition:opacity .5s,transform .6s var(--ease)}
.mnav a small{display:block;font-family:var(--kr);font-size:14px;font-weight:400;opacity:.6;margin-top:-4px;margin-bottom:14px}
body.menu-open .mnav a{opacity:1;transform:none}
body.menu-open .mnav a:nth-child(2){transition-delay:.06s}
body.menu-open .mnav a:nth-child(3){transition-delay:.12s}
body.menu-open .mnav a:nth-child(4){transition-delay:.18s}
body.menu-open .mnav a:nth-child(5){transition-delay:.24s}
body.menu-open{overflow:hidden}

/* ---------- Hero (home) ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:600px;color:#fff;overflow:hidden;background:var(--ink)}
.hero-media{position:absolute;inset:0;overflow:hidden;background:#0d1a33}
.hero-video{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:heroZoom 18s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,14,30,.55) 0%,rgba(8,14,30,0) 65%),linear-gradient(180deg,rgba(8,14,30,.45) 0%,rgba(8,14,30,.15) 40%,rgba(8,14,30,.75) 100%);pointer-events:none}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:clamp(90px,14vh,150px)}
.hero-eyebrow{font-family:var(--en);font-size:13px;letter-spacing:.32em;text-transform:uppercase;opacity:.85;margin-bottom:20px;display:flex;align-items:center;gap:14px}
.hero-eyebrow::before{content:"";width:40px;height:1px;background:currentColor}
.hero-title{position:relative;height:clamp(84px,15vw,200px)}
.hero-title h1,.hero-title p.big{position:absolute;left:0;top:0;font-family:var(--en);font-weight:600;font-size:clamp(52px,11vw,168px);line-height:1;letter-spacing:-.045em;white-space:nowrap}
.hero-title .line{display:block;overflow:hidden}
.hero-title .line span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
.hero-title .is-on .line span{transform:none;transition-delay:.25s}
.hero-title .is-off .line span{transform:translateY(-110%);transition:transform .7s var(--ease)}
.hero-title .kr-big{font-family:var(--kr);font-weight:700;letter-spacing:-.04em;font-size:clamp(40px,7.4vw,112px)}
.hero-sub{margin-top:28px;max-width:560px;font-size:clamp(15px,1.3vw,18px);opacity:.88;line-height:1.75}
.hero-ctrl{position:absolute;z-index:3;right:var(--gutter);bottom:clamp(90px,14vh,150px);display:flex;align-items:center;gap:22px;font-family:var(--en)}
.hero-ctrl .count{font-size:14px;letter-spacing:.1em}
.hero-ctrl .count b{font-size:22px;font-weight:600}
.hero-bars{display:flex;gap:8px}
.hero-bars button{width:56px;height:2px;border:0;padding:10px 0;background:none;cursor:pointer;position:relative}
.hero-bars button::before,.hero-bars button i{content:"";position:absolute;left:0;top:9px;height:2px;width:100%;background:rgba(255,255,255,.3)}
.hero-bars button i{background:#fff;transform:scaleX(0);transform-origin:left}
.hero-bars button.active i{animation:bar var(--dur,6s) linear forwards}
@keyframes bar{to{transform:scaleX(1)}}
.scroll-cue{position:absolute;z-index:3;left:50%;bottom:28px;transform:translateX(-50%);font-family:var(--en);font-size:11px;letter-spacing:.3em;display:flex;flex-direction:column;align-items:center;gap:10px;opacity:.8}
.scroll-cue i{width:1px;height:48px;background:rgba(255,255,255,.3);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;left:0;top:-48px;width:1px;height:48px;background:#fff;animation:cue 2s var(--ease) infinite}
@keyframes cue{to{top:48px}}

/* ---------- Sections ---------- */
.section{padding:clamp(96px,14vw,180px) 0;position:relative}
.label{font-family:var(--en);font-size:13px;letter-spacing:.28em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:12px;margin-bottom:24px}
.label::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.h-xl{font-size:clamp(32px,4.6vw,64px);font-weight:700;line-height:1.25;letter-spacing:-.035em}
.h-lg{font-size:clamp(28px,3.4vw,46px);font-weight:700;line-height:1.3;letter-spacing:-.03em}
.lead{font-size:clamp(16px,1.35vw,19px);color:var(--muted);line-height:1.85}

/* intro */
.intro-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(40px,7vw,120px);align-items:end}
.intro .h-xl em{font-style:normal;background:linear-gradient(90deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.rsi{margin-top:clamp(64px,9vw,120px);display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.rsi li{padding:36px 28px 8px 0;position:relative}
.rsi li+li{padding-left:28px;border-left:1px solid var(--line)}
.rsi .letter{font-family:var(--en);font-size:clamp(72px,9vw,140px);font-weight:600;line-height:1;letter-spacing:-.05em;color:var(--navy);display:block;transition:color .4s}
.rsi li:hover .letter{color:var(--blue)}
.rsi .word{font-family:var(--en);font-size:clamp(18px,1.6vw,22px);font-weight:600;margin-top:14px;display:block}
.rsi p{color:var(--muted);font-size:15px;margin-top:6px}

/* marquee */
.marquee{background:var(--navy);color:#fff;overflow:hidden;padding:clamp(22px,3vw,36px) 0;white-space:nowrap}
.marquee-track{display:inline-flex;animation:marq 32s linear infinite}
.marquee span{font-family:var(--en);font-size:clamp(36px,6vw,88px);font-weight:600;letter-spacing:-.03em;padding-right:.6em;display:inline-flex;align-items:center;gap:.6em}
.marquee span::after{content:"";width:.28em;height:.28em;border-radius:50%;background:var(--green)}
.marquee span.ol{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.7)}
@keyframes marq{to{transform:translateX(-50%)}}

/* business cards (home) */
.biz-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(40px,5vw,72px);flex-wrap:wrap}
.more{display:inline-flex;align-items:center;gap:14px;font-family:var(--en);font-weight:500;font-size:15px;padding:14px 26px;border:1px solid currentColor;border-radius:999px;transition:background .35s,color .35s,border-color .35s}
.more svg{width:18px;height:18px;transition:transform .35s var(--ease)}
.more:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.more:hover svg{transform:translateX(4px)}
.more.light{color:#fff}
.more.light:hover{background:#fff;color:var(--navy);border-color:#fff}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
.card{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:4/5;color:#fff;background:var(--navy);isolation:isolate}
.card .img{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1.1s var(--ease);z-index:-2}
.card::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,20,38,0) 30%,rgba(11,20,38,.85) 100%);transition:background .5s}
.card:hover .img{transform:scale(1.08)}
.card:hover::before{background:linear-gradient(180deg,rgba(15,42,92,.25) 0%,rgba(15,42,92,.92) 100%)}
.card .num{position:absolute;top:24px;left:26px;font-family:var(--en);font-size:14px;letter-spacing:.1em;opacity:.85}
.card .txt{position:absolute;left:26px;right:26px;bottom:26px}
.card h3{font-size:clamp(20px,1.7vw,24px);font-weight:700;letter-spacing:-.02em;line-height:1.35}
.card p{font-size:15px;opacity:.82;margin-top:8px;max-height:0;overflow:hidden;transition:max-height .6s var(--ease),opacity .4s}
.card:hover p,.card:focus-within p{max-height:120px}
@media (hover:none){.card p{max-height:none}}
.card .arrow{position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.5);display:grid;place-items:center;transform:rotate(-45deg);transition:transform .45s var(--ease),background .3s}
.card:hover .arrow{transform:rotate(0);background:var(--blue);border-color:var(--blue)}
.card .arrow svg{width:18px;height:18px}

/* numbers */
.numbers{background:var(--paper)}
.num-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.num-grid li{padding:12px 32px;border-left:1px solid var(--line)}
.num-grid li:first-child{border-left:0;padding-left:0}
.num-grid .v{font-family:var(--en);font-size:clamp(56px,7vw,104px);font-weight:600;letter-spacing:-.05em;line-height:1;color:var(--navy)}
.num-grid .v sup{font-size:.35em;color:var(--blue);margin-left:6px;vertical-align:top;position:relative;top:.4em}
.num-grid .k{margin-top:16px;font-weight:600}
.num-grid .d{color:var(--muted);font-size:15px}

/* CTA */
.cta{position:relative;color:#fff;overflow:hidden;background:var(--navy)}
.cta .bg{position:absolute;left:0;top:-10%;width:100%;height:120%;object-fit:cover;opacity:.55;will-change:transform}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,20,38,.75),rgba(11,20,38,.25));z-index:1}
.cta .wrap{z-index:2}
.cta .wrap{position:relative;display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap}
.cta .h-xl{max-width:820px}

/* ---------- Sub pages ---------- */
.sub-hero{position:relative;height:clamp(420px,62vh,620px);color:#fff;overflow:hidden;background:var(--navy);display:flex;align-items:flex-end}
.sub-hero .bg{position:absolute;inset:-8% 0;background-size:cover;background-position:center;transform:scale(1.15);transition:transform 2.4s var(--ease);will-change:transform}
body.loaded .sub-hero .bg{transform:scale(1)}
.sub-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,30,.5),rgba(8,14,30,.25) 45%,rgba(8,14,30,.75))}
.sub-hero .wrap{position:relative;z-index:2;padding-bottom:clamp(48px,7vw,88px)}
.sub-hero .eyebrow{font-family:var(--en);font-size:13px;letter-spacing:.3em;text-transform:uppercase;opacity:.85;margin-bottom:14px}
.sub-hero h1{font-family:var(--en);font-weight:600;font-size:clamp(48px,8vw,120px);line-height:1;letter-spacing:-.045em}
.sub-hero p{margin-top:22px;max-width:640px;opacity:.9;font-size:clamp(15px,1.3vw,18px)}
.sub-hero .crumb{position:absolute;right:var(--gutter);bottom:clamp(48px,7vw,88px);font-family:var(--en);font-size:13px;opacity:.75;z-index:2;letter-spacing:.06em}

.subnav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:top .45s var(--ease)}
body.header-shown .subnav{top:68px}
.subnav ul{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.subnav a{display:block;padding:20px 22px;font-weight:600;color:var(--muted);position:relative;white-space:nowrap;transition:color .3s}
.subnav a::after{content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:2px;background:var(--navy);transform:scaleX(0);transition:transform .4s var(--ease)}
.subnav a.active{color:var(--ink)}
.subnav a.active::after{transform:scaleX(1)}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,7vw,120px);align-items:start}
.about-visual{position:sticky;top:140px}
.about-visual .frame{border-radius:20px;overflow:hidden;aspect-ratio:629/775;background:#13202e}
.about-visual .frame div.contain{background-size:contain;background-repeat:no-repeat}
.about-visual .frame div{width:100%;height:100%;background-size:cover;background-position:center;transform:scale(1.15)}
.about-visual .tag{position:relative;display:inline-block;margin-top:20px;background:var(--navy);color:#fff;padding:22px 26px;border-radius:14px;font-family:var(--en)}
.about-visual .tag b{display:block;font-size:34px;font-weight:600;line-height:1}
.about-visual .tag span{font-size:13px;opacity:.75;letter-spacing:.08em}
.about-body p{font-size:clamp(16px,1.25vw,18px);color:#3a4256;line-height:1.95}
.about-body p+p{margin-top:24px}
.about-body .quote{margin:44px 0;padding:32px 0 32px 28px;border-left:3px solid var(--blue);font-size:clamp(20px,1.8vw,26px);font-weight:700;line-height:1.5;color:var(--ink);letter-spacing:-.02em}
.about-body .quote small{display:block;font-family:var(--en);font-size:13px;font-weight:500;color:var(--blue);letter-spacing:.2em;margin-bottom:10px}
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:44px}
.pillars li{padding:22px 24px;border:1px solid var(--line);border-radius:14px;font-weight:600;display:flex;gap:14px;align-items:center;transition:border-color .3s,transform .4s var(--ease),box-shadow .4s}
.pillars li:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(15,42,92,.4)}
.pillars li i{font-style:normal;font-family:var(--en);font-size:13px;color:var(--blue)}

/* CEO */
.ceo{background:var(--paper)}
.ceo-grid{display:grid;grid-template-columns:minmax(0,340px) 1fr;gap:clamp(40px,7vw,110px);align-items:center}
.ceo-photo{max-width:340px;border-radius:20px;overflow:hidden;aspect-ratio:3/4;background:linear-gradient(160deg,#cfd8ea,#e9edf4)}
.ceo-photo div{width:100%;height:100%;background-size:cover;background-position:center top}
.ceo-name{display:flex;align-items:baseline;gap:16px;margin:8px 0 26px}
.ceo-name .role{font-size:16px;color:var(--muted);font-weight:500}
.ceo-name .n{font-size:clamp(36px,4vw,54px);font-weight:700;letter-spacing:-.03em}
.ceo .intro-txt{font-size:clamp(17px,1.4vw,20px);line-height:1.85;color:#2c3448}
.bg-list{margin-top:44px;display:grid;grid-template-columns:1fr 1fr;gap:36px}
.bg-list h4{font-family:var(--en);font-size:13px;letter-spacing:.22em;color:var(--blue);font-weight:600;padding-bottom:14px;border-bottom:1px solid var(--ink);margin-bottom:16px}
.bg-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:15.5px;display:flex;gap:10px}
.bg-list li em{font-style:normal;color:var(--muted);flex:none}

/* business page */
.biz-list{display:flex;flex-direction:column;gap:clamp(80px,10vw,150px)}
.biz-row{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.biz-row:nth-child(even){grid-template-columns:1fr 1.15fr}
.biz-row:nth-child(even) .biz-img{order:2}
.biz-img{border-radius:20px;overflow:hidden;aspect-ratio:16/11;background:linear-gradient(135deg,var(--navy),var(--navy-2));position:relative}
.biz-img div{position:absolute;inset:-6% 0;background-size:cover;background-position:center;will-change:transform}
.biz-txt .no{font-family:var(--en);font-size:clamp(64px,8vw,120px);font-weight:600;line-height:1;letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1.5px var(--navy);opacity:.9}
.biz-txt h2{margin-top:18px}
.biz-txt p{margin-top:16px}
.biz-txt .line{display:block;width:56px;height:2px;background:var(--blue);margin-top:32px}

/* board */
.board-top{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.board-top .total{color:var(--muted);font-size:15px}
.board-top .total b{color:var(--ink)}
.search{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.search input{border:0;padding:12px 20px;font:inherit;font-size:15px;width:220px;outline:none}
.search button{border:0;background:var(--navy);color:#fff;padding:0 20px;cursor:pointer}
.board{width:100%;border-collapse:collapse;border-top:2px solid var(--ink)}
.board th{font-weight:600;font-size:15px;padding:18px 12px;border-bottom:1px solid var(--line);text-align:center}
.board td{padding:22px 12px;border-bottom:1px solid var(--line);text-align:center;color:var(--muted);font-size:15px}
.board th.t,.board td.t{text-align:left}
.empty{padding:110px 20px!important;text-align:center!important}
.empty svg{width:48px;height:48px;margin:0 auto 18px;color:#b8bfcc}
.empty strong{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}

.blog-empty{border:1px dashed #cdd3de;border-radius:24px;padding:clamp(60px,9vw,120px) 24px;text-align:center}
.blog-empty .big{font-family:var(--en);font-size:clamp(40px,6vw,80px);font-weight:600;letter-spacing:-.04em;color:var(--navy)}
.blog-empty p{color:var(--muted);margin-top:12px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.72);padding:clamp(64px,8vw,100px) 0 40px;font-size:14.5px}
.footer-top{display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer .brand{font-family:var(--en);font-size:clamp(28px,3.4vw,44px);font-weight:600;color:#fff;letter-spacing:-.03em;line-height:1.15}
.footer .brand span{color:var(--green)}
.footer nav{display:flex;gap:28px;flex-wrap:wrap;font-family:var(--en)}
.footer nav a:hover{color:#fff}
.footer-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:28px;font-size:13px}
.top-btn{position:fixed;right:24px;bottom:24px;z-index:90;width:52px;height:52px;border-radius:50%;border:0;background:var(--navy);color:#fff;cursor:pointer;display:grid;place-items:center;opacity:0;transform:translateY(16px);transition:opacity .4s,transform .4s var(--ease),background .3s;box-shadow:0 10px 30px -10px rgba(15,42,92,.6)}
.top-btn.show{opacity:1;transform:none}
.top-btn:hover{background:var(--blue)}
.top-btn svg{width:20px;height:20px}

/* ---------- Reveal animations ---------- */
.rv{opacity:0;transform:translateY(48px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.1s}.rv-d2{transition-delay:.2s}.rv-d3{transition-delay:.3s}
.rv-mask{clip-path:inset(0 0 100% 0);transition:clip-path 1.3s var(--ease)}
.rv-mask.in{clip-path:inset(0 0 0 0)}
.rv-mask.in > div{transform:scale(1)!important;transition:transform 1.8s var(--ease)}
.split .w{display:inline-block;overflow:hidden;vertical-align:top}
.split .w > span{display:inline-block;transform:translateY(105%);transition:transform 1s var(--ease)}
.split.in .w > span{transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .intro-grid,.about-grid,.ceo-grid{grid-template-columns:1fr}
  .about-visual{position:relative;top:0;max-width:520px}
}
@media (max-width:860px){
  .gnb{display:none}
  .menu-btn{display:block}
  .header{height:68px}
  .logo img{height:28px}
  .biz-row,.biz-row:nth-child(even){grid-template-columns:1fr}
  .biz-row:nth-child(even) .biz-img{order:0}
  .hero-ctrl{left:var(--gutter);right:auto;bottom:40px}
  .scroll-cue{display:none}
  .hero-inner{padding-bottom:110px}
  .bg-list{grid-template-columns:1fr}
  .board .hide-m{display:none}
  .sub-hero .crumb{display:none}
}
@media (max-width:640px){
  .cards{grid-template-columns:1fr}
  .card{aspect-ratio:5/4}
  .rsi{grid-template-columns:1fr}
  .rsi li,.rsi li+li{padding:28px 0;border-left:0;border-bottom:1px solid var(--line)}
  .num-grid{grid-template-columns:1fr}
  .num-grid li,.num-grid li:first-child{border-left:0;padding:24px 0;border-bottom:1px solid var(--line)}
  .pillars{grid-template-columns:1fr}
  .search input{width:150px}
  .hero-title h1,.hero-title p.big{white-space:normal}
  .hero-title{height:clamp(110px,30vw,170px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv,.split .w > span{opacity:1;transform:none}
  .rv-mask{clip-path:none}
}