/* ============================================================
   DOONGGRISOFT — Corporate Site v3
   Pages: index / portfolio / about / contact (shared stylesheet)
   ============================================================ */

:root{
  --ink:#0A1018; --ink-2:#0F172A; --ink-700:#334155; --ink-500:#64748B; --ink-400:#94A3B8;
  --line:#E6EBF2; --line-2:#1C2738;
  --paper:#FFFFFF; --paper-2:#F5F8FC;
  --blue:#2563EB; --blue-600:#1D4ED8; --blue-50:#EEF4FF;
  --cyan:#1FB6D6; --cyan-bright:#34D3F0; --sky:#5FB7E8; --sky-deep:#2E6FC0;
  --radius:20px;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,monospace;
  --display:'Bricolage Grotesque','Pretendard Variable',sans-serif;
  --sans:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.68,.22,1);
  --hdr-h:72px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 16px)}
body{
  font-family:var(--sans);color:var(--ink-2);background:var(--paper);
  line-height:1.7;-webkit-font-smoothing:antialiased;letter-spacing:-0.01em;
  overflow-x:hidden;opacity:0;transition:opacity .5s ease;
}
body.loaded{opacity:1}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
::selection{background:rgba(37,99,235,.18)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);letter-spacing:.02em}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);font-weight:500}
.kicker.on-dark{color:#7CC4F0}
.sec-num{font-family:var(--mono);font-size:12px;color:var(--ink-400);letter-spacing:.1em}

/* ---------- Headline line-rise (히어로 컨셉 전역 확장) ---------- */
.lr .line{display:block;overflow:hidden}
.lr .line>span{display:inline-block;transform:translateY(112%);transition:transform .85s var(--ease)}
.lr .line:nth-child(2)>span{transition-delay:.1s}
.lr .line:nth-child(3)>span{transition-delay:.2s}
.reveal.in .lr .line>span,.reveal.in.lr .line>span{transform:none}
body.loaded .page-hero .lr .line>span{transform:none;transition-delay:.15s}
body.loaded .page-hero .lr .line:nth-child(2)>span{transition-delay:.26s}
html.ss .lr .line>span{transform:none !important;transition:none !important}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-l{opacity:0;transform:translateX(-30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal-l.in{opacity:1;transform:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:999px;cursor:pointer;border:none;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .3s,background .25s,color .25s}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 24px -10px rgba(37,99,235,.8)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(37,99,235,.85)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink-2);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- Header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:90;height:var(--hdr-h);
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;
  transition:transform .4s var(--ease),border-color .3s,box-shadow .3s,background .3s;
}
header.scrolled{border-color:var(--line);box-shadow:0 8px 30px -20px rgba(15,23,42,.35)}
header.hidden{transform:translateY(-100%)}
header.on-dark-page{background:rgba(10,16,24,.62);border-color:transparent}
header.on-dark-page.scrolled{border-color:var(--line-2)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--hdr-h)}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:-.02em;line-height:1.15}
.logo img{width:34px;height:34px;flex:none}
.logo .wm{font-size:18.5px;font-weight:500;color:#3A3F46;letter-spacing:-.015em}
.logo .wm b{font-weight:800;color:#14171B}
.logo small{font-family:var(--mono);font-size:9px;color:var(--ink-400);font-weight:500;letter-spacing:.14em;display:block;margin-top:2px}
header.on-dark-page .logo{color:#fff}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a:not(.btn){font-size:15px;color:var(--ink-700);font-weight:500;position:relative;transition:color .2s;padding:6px 0}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--blue);border-radius:2px;transition:width .3s var(--ease)}
.nav-links a:not(.btn):hover{color:var(--blue)}
.nav-links a:not(.btn):hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--blue);font-weight:600}
header.on-dark-page .nav-links a:not(.btn){color:#C5CFDE}
header.on-dark-page .nav-links a:not(.btn):hover,header.on-dark-page .nav-links a.active{color:var(--cyan-bright)}
header.on-dark-page .nav-links a:not(.btn)::after{background:var(--cyan-bright)}
.nav .btn{padding:10px 19px;font-size:14.5px}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:10px;z-index:99}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink-2);margin:5px 0;border-radius:2px;transition:.35s var(--ease)}
header.on-dark-page .menu-btn span{background:#fff}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero (home, light) ---------- */
.hero{background:linear-gradient(180deg,#FFFFFF 0%,#F4F8FC 100%);color:var(--ink-2);overflow:hidden;position:relative;padding:calc(var(--hdr-h) + 84px) 0 0}
.hero .grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,23,42,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.05) 1px,transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(ellipse 70% 70% at 50% 38%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 38%,#000 20%,transparent 78%)}
.glow{position:absolute;border-radius:50%;pointer-events:none;will-change:transform}
.hero .glow-1{width:760px;height:760px;right:-220px;top:-280px;background:radial-gradient(circle,rgba(95,183,232,.22),transparent 62%)}
.hero .glow-2{width:560px;height:560px;left:-240px;top:120px;background:radial-gradient(circle,rgba(37,99,235,.12),transparent 65%)}
.hero .hero-top{position:relative;z-index:2;width:100%;text-align:center}
.hero .kicker{margin-bottom:22px;display:inline-flex;align-items:center;gap:12px}
.hero .kicker::before,.hero .kicker::after{content:"";width:26px;height:1px;background:var(--blue);display:inline-block}
.hero h1{font-size:clamp(40px,6vw,78px);line-height:1.06;font-weight:800;letter-spacing:-.04em;color:#0B0F14}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line>span{display:inline-block;transform:translateY(110%);animation:rise 1s var(--ease) forwards}
.hero h1 .line:nth-child(2)>span{animation-delay:.12s}
.hero h1 .em{background:linear-gradient(110deg,var(--sky),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes rise{to{transform:translateY(0)}}
.hero p.sub{margin:26px auto 0;font-size:clamp(16px,2vw,19px);color:var(--ink-500);max-width:52ch;line-height:1.8;
  opacity:0;animation:fadeUp .9s var(--ease) .45s forwards}
.hero .cta-row{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center;opacity:0;animation:fadeUp .9s var(--ease) .6s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.stats{position:relative;z-index:2;margin:72px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;border-top:1px solid var(--line);padding:28px 0 44px;max-width:920px;
  opacity:0;animation:fadeUp .9s var(--ease) .75s forwards}
.stat .n{font-family:var(--display);font-size:clamp(32px,4.6vw,50px);font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--ink-2);font-variant-numeric:tabular-nums}
.stat .n b{color:var(--blue);font-weight:700}
.stat .l{margin-top:10px;font-size:12.5px;color:var(--ink-500);font-family:var(--mono)}
.scroll-cue{position:relative;z-index:2;display:flex;justify-content:center;padding-bottom:22px;opacity:0;animation:fadeUp 1s var(--ease) 1.1s forwards}
.scroll-cue span{width:1px;height:42px;background:linear-gradient(180deg,transparent,var(--cyan-bright));display:block;animation:cue 2s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.25;transform:scaleY(.6);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}

/* ---------- Hero 배경 캔버스 ---------- */
#heroBg{position:absolute;inset:0;z-index:1;pointer-events:none}

/* ---------- Hero WebGL canvas ---------- */

/* ---------- Interactive showcase (scroll-scrub WebGL) ---------- */
.showcase{background:var(--ink);color:#fff;position:relative}
.showcase-inner{position:relative;min-height:min(86vh,820px);overflow:hidden;display:flex;align-items:center;padding:104px 0}
.showcase .grid-bg{position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:36px 36px;
  mask-image:radial-gradient(ellipse 80% 80% at 60% 50%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 80% at 60% 50%,#000 30%,transparent 80%)}
#showcaseCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.showcase-inner::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,rgba(10,16,24,.9) 0%,rgba(10,16,24,.5) 32%,rgba(10,16,24,0) 58%)}
html.no-webgl #showcaseCanvas{display:none}
.sc-ui{position:relative;z-index:3;width:100%;display:flex;flex-direction:column;gap:52px}
.sc-head h2{font-size:clamp(26px,3.4vw,42px);font-weight:800;letter-spacing:-.03em;line-height:1.18;margin-top:16px}
.sc-head p{margin-top:16px;color:#AEB9CC;max-width:42ch;font-size:15.5px;line-height:1.75}
.sc-head h2,.sc-head p,.sc-head .kicker{text-shadow:0 2px 20px rgba(10,16,24,.95),0 0 8px rgba(10,16,24,.8)}
.sc-domains{display:flex;gap:16px 48px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.13);padding-top:26px}
.sc-domains .d{display:flex;gap:11px;align-items:baseline;font-size:15.5px;font-weight:600;color:#D9E2EE;letter-spacing:-.01em;
  text-shadow:0 2px 14px rgba(10,16,24,.9)}
.sc-domains .d .n{font-family:var(--mono);font-size:11px;color:#7CC4F0;font-weight:500}

@media(max-width:960px){
  .showcase-inner{min-height:auto;padding:90px 0}
  .showcase-inner::after{background:linear-gradient(180deg,rgba(10,16,24,.88) 0%,rgba(10,16,24,.45) 40%,rgba(10,16,24,.2) 100%)}
  .sc-ui{gap:36px}
  .sc-domains{display:grid;grid-template-columns:1fr 1fr;gap:14px}
}
html.ss .showcase-inner{min-height:560px}

/* ---------- Page hero (subpages) ---------- */
.page-hero{background:linear-gradient(180deg,#FFFFFF,#F4F8FC);color:var(--ink-2);position:relative;overflow:hidden;padding:calc(var(--hdr-h) + 76px) 0 64px;border-bottom:1px solid var(--line)}
.page-hero .grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,23,42,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.05) 1px,transparent 1px);
  background-size:36px 36px;
  mask-image:radial-gradient(ellipse 75% 100% at 50% 0%,#000 25%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 75% 100% at 50% 0%,#000 25%,transparent 80%)}
.page-hero .glow-1{width:640px;height:640px;right:-180px;top:-340px;background:radial-gradient(circle,rgba(95,183,232,.20),transparent 62%)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .kicker{display:inline-flex;align-items:center;gap:12px;margin-bottom:18px}
.page-hero .kicker::before{content:"";width:28px;height:1px;background:var(--blue)}
.page-hero h1{font-size:clamp(34px,4.6vw,56px);font-weight:800;letter-spacing:-.035em;line-height:1.12;color:#0B0F14}
.page-hero p{margin-top:18px;color:var(--ink-500);max-width:60ch;font-size:clamp(15px,1.8vw,17.5px)}
.crumb{font-family:var(--mono);font-size:12px;color:var(--ink-400);margin-bottom:26px;display:flex;gap:10px;align-items:center}
.crumb a:hover{color:var(--blue)}
.crumb .sep{opacity:.5}

/* ---------- Marquee ---------- */
.domains{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:18px 0;position:relative}
.domains::before,.domains::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.domains::before{left:0;background:linear-gradient(90deg,#fff,transparent)}
.domains::after{right:0;background:linear-gradient(-90deg,#fff,transparent)}
.domains .track{display:flex;gap:14px;white-space:nowrap;animation:scroll 36s linear infinite;width:max-content}
.domains:hover .track{animation-play-state:paused}
.domains .chip{font-family:var(--mono);font-size:12.5px;color:var(--ink-500);border:1px solid var(--line);background:var(--paper-2);padding:8px 17px;border-radius:999px;transition:border-color .3s,color .3s}
.domains .chip:hover{border-color:var(--blue);color:var(--ink-2)}
.domains .chip b{color:var(--blue);font-weight:600}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Section shell ---------- */
.band{padding:104px 0}
.band.alt{background:var(--paper-2)}
.band.dark{background:var(--ink);color:#fff}
.band-head{max-width:680px;margin-bottom:56px}
.band-head .kicker{margin-bottom:16px;display:block}
.band-head h2{font-size:clamp(28px,3.8vw,44px);font-weight:800;letter-spacing:-.032em;line-height:1.14;color:var(--ink-2)}
.band.dark .band-head h2{color:#fff}
.band-head p{margin-top:16px;color:var(--ink-500);font-size:17px}
.band.dark .band-head p{color:#AEB9CC}
.band-head.center{margin-left:auto;margin-right:auto;text-align:center}
.band-head.split{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:28px;flex-wrap:wrap}
.band-head.split>div{max-width:680px}

/* ---------- Spotlight cards (cursor glow) ---------- */
.spot{position:relative;overflow:hidden}
.spot::after{content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(37,99,235,.07),transparent 45%)}
.spot:hover::after{opacity:1}

/* ---------- Services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.svc{position:relative;border:1px solid #EDF1F7;border-radius:var(--radius);padding:36px 32px 32px;background:var(--paper);
  box-shadow:0 12px 34px -24px rgba(15,23,42,.14);
  transition:transform .3s var(--ease),box-shadow .35s,border-color .3s}
.svc::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan-bright));transition:width .45s var(--ease)}
.svc:hover{transform:translateY(-5px);box-shadow:0 32px 60px -32px rgba(15,23,42,.28);border-color:transparent}
.svc:hover::before{width:100%}
.svc .top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}
.svc .ic{width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,var(--sky),var(--blue));display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px -8px rgba(46,111,192,.45);transition:transform .3s var(--ease)}
.svc:hover .ic{transform:scale(1.07) rotate(-4deg)}
.svc .ic svg{width:25px;height:25px}
.svc h3{font-size:21px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.svc>p{color:var(--ink-500);font-size:15px;line-height:1.7}
.svc .tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:7px}
.tag{font-family:var(--mono);font-size:11px;color:var(--ink-500);background:#F0F4F9;border:none;padding:5px 11px;border-radius:999px}

/* ---------- Portfolio cards ---------- */
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-flow:dense;gap:20px}
.pf{border:1px solid #EDF1F7;border-radius:var(--radius);background:#fff;overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 14px 36px -26px rgba(15,23,42,.16);
  transition:transform .3s var(--ease),box-shadow .35s,opacity .4s var(--ease)}
.pf:hover{transform:translateY(-5px);box-shadow:0 36px 64px -34px rgba(15,23,42,.3)}
.pf.hide{display:none}
.pf.pop{animation:pop .5s var(--ease) backwards}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
.pf .thumb{height:150px;position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:16px;color:#fff}
.pf .thumb .grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:24px 24px;opacity:.7;transition:transform .6s var(--ease)}
.pf:hover .thumb .grid-bg{transform:scale(1.12)}
.pf .thumb .idx{position:absolute;right:14px;top:8px;font-family:var(--display);font-size:48px;font-weight:700;opacity:.28;line-height:1}
.pf .thumb .cat{position:relative;z-index:2;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(0,0,0,.30);backdrop-filter:blur(4px);padding:5px 11px;border-radius:7px;border:1px solid rgba(255,255,255,.25)}
.pf .thumb .ico{position:absolute;left:16px;top:14px;z-index:2;opacity:.92}
.pf .thumb .ico svg{width:27px;height:27px}
.pf .thumb .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .65s var(--ease)}
.pf:hover .thumb .bg{transform:scale(1.06)}
.pf .thumb::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(105deg,transparent 42%,rgba(255,255,255,.16) 50%,transparent 58%);
  transform:translateX(-130%);transition:transform .85s var(--ease)}
.pf:hover .thumb::after{transform:translateX(130%)}
.t-vr{background:linear-gradient(135deg,#1E63E0,#0A1018 86%)}
.t-air{background:linear-gradient(135deg,#0E7CB0,#0A1018 88%)}
.t-xr{background:linear-gradient(135deg,#2E54C9,#0A1018 88%)}
.t-robot{background:linear-gradient(135deg,#0E8C86,#0A1018 88%)}
.t-twin{background:linear-gradient(135deg,#1591A8,#0A1018 88%)}
.t-app{background:linear-gradient(135deg,#3F3CC4,#0A1018 88%)}
.t-auto{background:linear-gradient(135deg,#5B3FB0,#0A1018 88%)}
.t-game{background:linear-gradient(135deg,#B0653F,#0A1018 88%)}
.t-edu{background:linear-gradient(135deg,#3F8AB0,#0A1018 88%)}
.pf .body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.pf .body h3{font-size:17.5px;font-weight:700;letter-spacing:-.02em}
.pf .body .meta{font-family:var(--mono);font-size:11px;color:var(--blue);margin:6px 0 10px}
.pf .body p{color:var(--ink-500);font-size:13.5px;line-height:1.6}
.pf .body .tags{margin-top:auto;padding-top:14px;display:flex;flex-wrap:wrap;gap:5px}
.pf-more{margin-top:30px;text-align:center;font-size:15px;color:var(--ink-500)}
.pf-more b{color:var(--ink-2);font-weight:700}

/* ---------- Works ledger (그 외 수행 프로젝트) ---------- */
.works-ledger{margin-top:66px;padding-top:50px;border-top:1px solid var(--line)}
.works-ledger .wl-head h3{font-family:var(--display);font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.025em;color:#0B0F14}
.works-ledger .wl-head p{margin-top:13px;color:var(--ink-500);max-width:64ch;font-size:15px;line-height:1.7}
.wl-cols{margin-top:38px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px 40px}
.wl-col h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--blue);padding-bottom:12px;border-bottom:1px solid var(--line)}
.wl-col ul{list-style:none;margin:0;padding:0}
.wl-col li{display:flex;justify-content:space-between;gap:14px;align-items:baseline;padding:10px 0;border-bottom:1px solid #EEF2F7;font-size:13.5px;color:var(--ink-700);line-height:1.45;transition:color .2s,padding-left .25s var(--ease)}
.wl-col li:hover{color:var(--blue);padding-left:5px}
.wl-col li span{flex:none;font-family:var(--mono);font-size:10px;color:var(--ink-400);letter-spacing:.02em;white-space:nowrap}
.wl-foot{margin-top:34px;text-align:center;font-size:14.5px;color:var(--ink-500)}
.wl-foot a{color:var(--blue);font-weight:600}
@media(max-width:980px){.wl-cols{grid-template-columns:repeat(2,1fr);gap:26px 34px}}
@media(max-width:560px){.wl-cols{grid-template-columns:1fr}}

/* ---------- Portfolio filter ---------- */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:36px}
.filter{font-family:var(--mono);font-size:13px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-700);cursor:pointer;transition:all .25s var(--ease)}
.filter:hover{border-color:var(--blue);color:var(--blue)}
.filter.active{background:var(--blue);border-color:var(--blue);color:#fff}
.filter .cnt{opacity:.55;margin-left:5px;font-size:11px}

/* ---------- Page-hero 통계 스트립 ---------- */
.ph-stats{display:flex;gap:52px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);max-width:760px}
.ph-stats .s{display:flex;flex-direction:column;gap:7px}
.ph-stats .s b{font-family:var(--display);font-size:32px;font-weight:700;line-height:1;color:#0B0F14;letter-spacing:-.02em}
.ph-stats .s b span{color:var(--blue)}
.ph-stats .s .l{font-family:var(--mono);font-size:11px;color:var(--ink-400);letter-spacing:.05em}
@media(max-width:860px){
  .ph-stats{gap:24px 30px;margin-top:30px}
  .ph-stats .s b{font-size:25px}
}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.why{padding:30px 24px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;transition:border-color .3s,transform .3s var(--ease),box-shadow .35s}
.why:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 22px 44px -28px rgba(37,99,235,.4)}
.why .n{font-family:var(--mono);font-size:13px;color:var(--blue)}
.why h3{margin:16px 0 10px;font-size:18px;font-weight:700;letter-spacing:-.02em}
.why p{color:var(--ink-500);font-size:14px;line-height:1.65}

/* ---------- Ledger (why — editorial numbered rows) ---------- */
.ledger{border-top:1px solid var(--line)}
.ledger .row{display:grid;grid-template-columns:120px 1fr;gap:30px;padding:36px 10px;border-bottom:1px solid var(--line);align-items:start;transition:background .3s,padding-left .3s var(--ease)}
.ledger .row:hover{background:var(--paper-2);padding-left:20px}
.ledger .num{font-family:var(--display);font-size:46px;font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1.4px var(--blue);margin-top:2px}
.ledger .body{display:grid;grid-template-columns:300px 1fr;gap:10px 36px}
.ledger h3{font-size:20px;font-weight:700;letter-spacing:-.022em}
.ledger p{color:var(--ink-500);font-size:15px;max-width:62ch}
.ledger .proof{grid-column:1/-1;font-family:var(--mono);font-size:11.5px;color:var(--blue);letter-spacing:.02em}
@media(max-width:860px){
  .ledger .row{grid-template-columns:64px 1fr;gap:16px;padding:28px 4px}
  .ledger .num{font-size:34px}
  .ledger .body{grid-template-columns:1fr;gap:8px}
}

/* ---------- Featured (large) portfolio card ---------- */
@media(min-width:1021px){
  .pf.feature{grid-column:span 2}
  .pf.feature .thumb{height:230px}
  .pf.feature .thumb .idx{font-size:64px}
  .pf.feature .body h3{font-size:20px}
  .pf.feature .body p{font-size:14.5px;max-width:60ch}
}

/* ---------- Service card proof line ---------- */
.svc .proof{margin-top:16px;padding-top:13px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--ink-400);line-height:1.6}
.svc .proof b{color:var(--ink-700);font-weight:600}
.svc .proof a{display:inline-block;margin-left:6px;color:var(--blue);font-weight:600;white-space:nowrap}
.svc .proof a:hover{text-decoration:underline}

/* ---------- Grid note / CTA mail line ---------- */
.grid-note{font-family:var(--mono);font-size:12px;color:var(--ink-400);margin:-20px 0 30px}
.cta .mail-line{margin-top:20px;font-family:var(--mono);font-size:13px;color:#BBD6F5}
.cta .mail-line a{color:#fff;font-weight:600}
.cta .mail-line a:hover{text-decoration:underline}

/* ---------- Process (scroll-progress timeline) ---------- */
.proc-wrap{position:relative;max-width:760px;margin:0 auto}
.proc-line{position:absolute;left:21px;top:8px;bottom:8px;width:2px;background:var(--line-2);border-radius:2px;overflow:hidden}
.band:not(.dark) .proc-line{background:var(--line)}
.proc-line .fill{position:absolute;left:0;top:0;width:100%;height:0%;background:linear-gradient(180deg,var(--blue),var(--cyan-bright));transition:height .15s linear}
.proc-step{position:relative;padding:0 0 56px 72px}
.proc-step:last-child{padding-bottom:0}
.proc-step .dot{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);
  display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:14px;color:var(--ink-400);background:var(--ink);
  transition:border-color .4s,color .4s,box-shadow .4s,background .4s}
.band:not(.dark) .proc-step .dot{background:#fff;border-color:#E2E9F2;box-shadow:0 6px 16px -10px rgba(15,23,42,.18)}
.proc-step.lit .dot{border-color:var(--cyan-bright);color:var(--cyan-bright);box-shadow:0 0 24px -6px rgba(52,211,240,.55)}
.band:not(.dark) .proc-step.lit .dot{border-color:var(--blue);color:var(--blue);box-shadow:0 0 24px -8px rgba(37,99,235,.5)}
.proc-step h3{font-size:20px;font-weight:700;letter-spacing:-.02em;margin-bottom:8px;transition:color .4s}
.band.dark .proc-step h3{color:#7E8CA1}
.band.dark .proc-step.lit h3{color:#fff}
.proc-step p{font-size:15px;color:var(--ink-500);max-width:52ch}
.band.dark .proc-step p{color:#7E8CA1;transition:color .4s}
.band.dark .proc-step.lit p{color:#AEB9CC}
.proc-step .dur{font-family:var(--mono);font-size:11.5px;color:var(--ink-400);margin-top:10px;display:inline-block;border:1px solid var(--line-2);padding:3px 10px;border-radius:6px}
.band:not(.dark) .proc-step .dur{border-color:var(--line)}

/* ---------- Company info band ---------- */
.company{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.company .row{display:flex;flex-wrap:wrap;gap:36px 60px;padding:38px 0}
.company .item .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-400);margin-bottom:7px}
.company .item .v{font-size:15.5px;font-weight:600;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(135deg,#1A46B8 0%,#2563EB 55%,#3D85DD 100%);color:#fff;border-radius:28px;padding:72px 60px;position:relative;overflow:hidden;text-align:center;box-shadow:0 40px 80px -44px rgba(29,78,216,.55)}
.cta .grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:30px 30px;
  mask-image:radial-gradient(ellipse 60% 85% at 50% 0%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 60% 85% at 50% 0%,#000,transparent 78%)}
.cta .glow-1{width:640px;height:640px;left:50%;top:-400px;transform:translateX(-50%);background:radial-gradient(circle,rgba(151,214,255,.4),transparent 60%)}
.cta>*{position:relative;z-index:2}
.cta h2{font-size:clamp(27px,3.8vw,42px);font-weight:800;letter-spacing:-.03em;line-height:1.2}
.cta p{margin:18px auto 0;color:#D9E8FB;max-width:48ch;font-size:17px}
.cta .row{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
footer{padding:68px 0 46px;color:var(--ink-500);border-top:1px solid #EDF1F7;background:#FAFBFD}
.foot{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap}
.foot .logo{color:var(--ink-2)}
.foot .brand-col{max-width:320px}
.foot .brand-col>p{margin-top:16px;font-size:14px;color:var(--ink-500);line-height:1.7}
.foot .col h4{font-size:11.5px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-400);margin-bottom:16px}
.foot .col a,.foot .col p{display:block;font-size:14.5px;color:var(--ink-700);margin-bottom:10px}
.foot .col a:hover{color:var(--blue)}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.copyright{margin-top:48px;padding-top:26px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--ink-400);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- About: timeline ---------- */
.tl{position:relative;max-width:820px}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line);border-radius:2px}
.tl-item{position:relative;padding:0 0 44px 44px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--blue);box-shadow:0 0 0 4px var(--blue-50)}
.tl-item .yr{font-family:var(--display);font-size:22px;font-weight:700;color:var(--blue);letter-spacing:-.01em;line-height:1.2}
.tl-item h3{font-size:18px;font-weight:700;margin:6px 0 6px;letter-spacing:-.02em}
.tl-item p{color:var(--ink-500);font-size:14.5px;max-width:58ch}

/* ---------- About: stack grid ---------- */
.stack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stack{border:1px solid #EDF1F7;box-shadow:0 10px 28px -22px rgba(15,23,42,.12);border-radius:var(--radius);padding:26px 24px;background:#fff;transition:transform .3s var(--ease),border-color .3s}
.stack:hover{transform:translateY(-3px);border-color:var(--blue)}
.stack h3{font-size:15px;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:9px;margin-bottom:13px}
.stack h3 .dot-c{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan-bright));flex:none}
.stack .tags{display:flex;flex-wrap:wrap;gap:6px}

/* ---------- About: values ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.value{padding:32px 28px;border-radius:var(--radius);background:#fff;border:1px solid #EDF1F7;box-shadow:0 10px 28px -22px rgba(15,23,42,.12)}
.band.alt .value{background:#fff}
.value .n{font-family:var(--display);font-size:30px;font-weight:700;color:transparent;-webkit-text-stroke:1.3px var(--blue);line-height:1}
.value h3{margin:16px 0 9px;font-size:18px;font-weight:700;letter-spacing:-.02em}
.value p{color:var(--ink-500);font-size:14.5px;line-height:1.65}

/* ---------- About: info table ---------- */
.info-table{max-width:680px;border:1px solid #EDF1F7;border-radius:var(--radius);overflow:hidden}
.info-table .r{display:flex;border-bottom:1px solid var(--line);background:#fff}
.info-table .r:last-child{border-bottom:none}
.info-table .k{flex:0 0 168px;padding:15px 22px;background:var(--paper-2);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-500);display:flex;align-items:center}
.info-table .v{padding:15px 22px;font-size:15px;font-weight:500}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.cform{border:1px solid #EDF1F7;border-radius:24px;padding:38px 36px;background:#fff;box-shadow:0 30px 60px -40px rgba(15,23,42,.25)}
.cform h2{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-bottom:6px}
.cform .hint{font-size:13.5px;color:var(--ink-500);margin-bottom:26px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:7px}
.field label .req{color:var(--blue)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 14px;font-size:14.5px;font-family:var(--sans);
  color:var(--ink-2);background:#fff;outline:none;transition:border-color .25s,box-shadow .25s;-webkit-appearance:none;appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field textarea{min-height:140px;resize:vertical;line-height:1.6}
.cform .btn{width:100%;margin-top:6px}
.cform .alt-note{margin-top:16px;font-size:12.5px;color:var(--ink-400);text-align:center;line-height:1.6}
.cform .alt-note a{color:var(--blue);font-weight:600}
.contact-side h2{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.c-item{display:flex;gap:15px;padding:19px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.c-item:last-of-type{border-bottom:none}
.c-item .ic{width:42px;height:42px;flex:none;border-radius:11px;background:var(--blue-50);color:var(--blue);display:grid;place-items:center}
.c-item .ic svg{width:20px;height:20px}
.c-item .k{font-size:13px;color:var(--ink-400);font-family:var(--mono);margin-bottom:3px}
.c-item .v{font-size:15.5px;font-weight:600}
.c-item .v a:hover{color:var(--blue)}
.c-item .d{font-size:13px;color:var(--ink-500);margin-top:3px}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq-item{border:1px solid #EDF1F7;border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:var(--blue)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-weight:600;font-size:15.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .pm{flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-500);font-size:14px;transition:transform .3s var(--ease),background .3s,color .3s}
.faq-item[open] summary .pm{transform:rotate(45deg);background:var(--blue);border-color:var(--blue);color:#fff}
.faq-item .a{padding:0 24px 22px;color:var(--ink-500);font-size:14.5px;line-height:1.75;max-width:64ch}

/* ---------- Big statement ---------- */
.statement{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1.35;max-width:24ch}
.statement .em{color:var(--blue)}

/* ---------- Responsive ---------- */
@media(max-width:1020px){
  .pf-grid{grid-template-columns:repeat(2,1fr)}
  .stack-grid,.values{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:40px}
}
@media(max-width:860px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav-links.mobile-open{display:flex;flex-direction:column;align-items:stretch;position:fixed;top:var(--hdr-h);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:20px 24px 26px;gap:4px;box-shadow:0 30px 50px -28px rgba(15,23,42,.45);z-index:95}
  .nav-links.mobile-open a:not(.btn){padding:13px 4px;font-size:16px;border-bottom:1px solid var(--paper-2);color:var(--ink-2)}
  .nav-links.mobile-open .btn{margin-top:14px}
  .svc-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 8px}
  .cta{padding:54px 28px}
  .band{padding:80px 0}
  .hero{min-height:auto;padding-top:calc(var(--hdr-h) + 64px)}
  .frow{grid-template-columns:1fr}
  .info-table .k{flex-basis:128px}
}
@media(max-width:560px){
  .pf-grid{grid-template-columns:1fr}
  .why-grid,.stack-grid,.values{grid-template-columns:1fr}
  .cform{padding:28px 22px}
}

/* ---------- Screenshot/QA mode (?ss=1) ---------- */
html.ss{scroll-behavior:auto}
html.ss .reveal,html.ss .reveal-l{opacity:1 !important;transform:none !important;transition:none !important}
html.ss .hero{min-height:auto}
html.ss .hero h1 .line>span{animation-delay:0s}
html.ss .hero p.sub,html.ss .hero .cta-row,html.ss .stats,html.ss .scroll-cue{animation-delay:0s}
html.ss .proc-step{--lit:1}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal,.reveal-l{opacity:1;transform:none}
  .lr .line>span{transform:none !important}
  .hero h1 .line>span{transform:none}
  .hero p.sub,.hero .cta-row,.stats,.scroll-cue{opacity:1}
}

/* CTA 위 버튼 변형 */
.cta .btn-primary{background:#fff;color:var(--blue-600);box-shadow:0 10px 26px -10px rgba(10,26,60,.45)}
.cta .btn-primary:hover{background:#F3F8FF;transform:translateY(-2px)}
.cta .kicker{color:#CFE8FA !important}

/* ============================================================
   v5.2 업그레이드 — 접근성 · 내비 UX · 케이스 모달 · 폼 UX
   ============================================================ */

/* ---------- Skip link ---------- */
.skip-link{position:fixed;left:-9999px;top:0;z-index:200;background:var(--blue);color:#fff;padding:11px 20px;
  border-radius:0 0 12px 0;font-weight:600;font-size:14px}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.cta :focus-visible,.showcase :focus-visible{outline-color:#fff}

/* ---------- Scroll progress (header 하단) ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2.5px;z-index:95;pointer-events:none}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan-bright));
  border-radius:0 2px 2px 0;transition:width .12s linear}
header.hidden~.scroll-progress{opacity:1}

/* ---------- Back to top ---------- */
.to-top{position:fixed;right:22px;bottom:22px;z-index:80;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--ink-700);
  display:grid;place-items:center;cursor:pointer;box-shadow:0 12px 30px -16px rgba(15,23,42,.4);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .3s,transform .3s var(--ease),color .2s,border-color .2s}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-2px)}
.to-top svg{width:19px;height:19px}

/* ---------- 포트폴리오 카드 → 케이스 모달 ---------- */
.pf[data-cat]{cursor:pointer}
.pf .more-chip{position:absolute;right:14px;bottom:12px;z-index:3;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;
  color:#fff;background:rgba(10,16,24,.55);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.3);padding:5px 11px;border-radius:999px;
  opacity:0;transform:translateY(6px);transition:opacity .3s,transform .3s var(--ease);pointer-events:none}
.pf:hover .more-chip,.pf:focus-visible .more-chip{opacity:1;transform:none}

.pf-modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.pf-modal.open{display:flex}
.pf-modal .ovl{position:absolute;inset:0;background:rgba(10,16,24,.68);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  opacity:0;transition:opacity .3s}
.pf-modal.in .ovl{opacity:1}
.pf-modal .dlg{position:relative;z-index:2;width:min(760px,100%);max-height:min(88vh,860px);overflow:auto;
  background:#fff;border-radius:24px;box-shadow:0 60px 120px -40px rgba(4,10,20,.7);
  opacity:0;transform:translateY(26px) scale(.97);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.pf-modal.in .dlg{opacity:1;transform:none}
.pf-modal .m-thumb{position:relative;aspect-ratio:16/8.5;overflow:hidden;background:var(--ink)}
.pf-modal .m-thumb img{width:100%;height:100%;object-fit:cover}
.pf-modal .m-thumb .cat{position:absolute;left:18px;bottom:16px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:#fff;background:rgba(0,0,0,.36);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  padding:6px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.28)}
.pf-modal .m-body{padding:30px 34px 34px}
.pf-modal .m-body .meta{font-family:var(--mono);font-size:12px;color:var(--blue);margin-bottom:8px}
.pf-modal .m-body h3{font-size:24px;font-weight:800;letter-spacing:-.025em;line-height:1.25}
.pf-modal .m-body p{margin-top:14px;color:var(--ink-500);font-size:15.5px;line-height:1.8;max-width:60ch}
.pf-modal .m-body .tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:6px}
.pf-modal .m-foot{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.pf-modal .m-foot .note{font-size:12.5px;color:var(--ink-400);max-width:34ch;line-height:1.6}
.pf-modal .m-close{position:absolute;right:16px;top:16px;z-index:3;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.35);
  background:rgba(10,16,24,.45);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;cursor:pointer;
  display:grid;place-items:center;transition:background .25s,transform .25s var(--ease)}
.pf-modal .m-close:hover{background:rgba(10,16,24,.7);transform:rotate(90deg)}
.pf-modal .m-close svg{width:17px;height:17px}
.pf-modal .m-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.94);color:var(--ink-700);cursor:pointer;display:grid;place-items:center;
  box-shadow:0 12px 30px -14px rgba(15,23,42,.45);transition:color .2s,border-color .2s,transform .2s var(--ease)}
.pf-modal .m-nav:hover{color:var(--blue);border-color:var(--blue)}
.pf-modal .m-nav.prev{left:-58px}
.pf-modal .m-nav.next{right:-58px}
.pf-modal .m-nav svg{width:18px;height:18px}
.pf-modal .m-count{position:absolute;left:18px;top:18px;z-index:3;font-family:var(--mono);font-size:11px;color:#fff;
  background:rgba(0,0,0,.36);padding:5px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.25)}
body.modal-open{overflow:hidden}
@media(max-width:920px){
  .pf-modal{padding:14px}
  .pf-modal .m-nav.prev{left:10px;top:calc(28% )}
  .pf-modal .m-nav.next{right:10px;top:calc(28%)}
  .pf-modal .m-body{padding:24px 22px 26px}
}

/* ---------- 이메일 복사 칩 ---------- */
.copy-btn{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12.5px;cursor:pointer;
  border:1px solid var(--line);background:#fff;color:var(--ink-700);padding:7px 14px;border-radius:999px;
  transition:border-color .25s,color .25s,background .25s}
.copy-btn:hover{border-color:var(--blue);color:var(--blue)}
.copy-btn.copied{border-color:#16A34A;color:#16A34A;background:#F0FDF4}
.copy-btn svg{width:14px;height:14px;flex:none}
.cta .copy-btn{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.1);color:#EAF3FE;margin-left:10px;vertical-align:middle}
.cta .copy-btn:hover{border-color:#fff;color:#fff}
.cta .copy-btn.copied{border-color:#7CF5D4;color:#7CF5D4;background:rgba(124,245,212,.12)}

/* ---------- 문의 폼: 성공 패널 · honeypot ---------- */
.hp-field{position:absolute !important;left:-9999px !important;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}
.form-done{display:none;margin-top:18px;border:1px solid #BBE7C9;background:#F2FBF5;border-radius:14px;padding:18px 20px}
.form-done.show{display:block;animation:pop .45s var(--ease)}
.form-done h4{font-size:15px;font-weight:700;color:#166534;display:flex;align-items:center;gap:8px}
.form-done h4 svg{width:17px;height:17px;flex:none}
.form-done p{margin-top:7px;font-size:13.5px;color:var(--ink-500);line-height:1.65}
.form-done .row{margin-top:13px;display:flex;gap:9px;flex-wrap:wrap}
.form-done .row .copy-btn{font-size:12px}
.form-done .row a{display:inline-flex;align-items:center;font-family:var(--mono);font-size:12px;color:var(--blue);
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;background:#fff;transition:border-color .25s}
.form-done .row a:hover{border-color:var(--blue)}
.field input.err,.field textarea.err{border-color:#DC2626;box-shadow:0 0 0 3px rgba(220,38,38,.1)}

/* ---------- FAQ 부드러운 열림 ---------- */
.faq-item .a{overflow:hidden}
.faq-item.anim[open] .a{animation:faqOpen .4s var(--ease)}
@keyframes faqOpen{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 404 ---------- */
.nf{min-height:calc(100vh - var(--hdr-h));display:flex;align-items:center;position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF,#F4F8FC);text-align:center;padding:calc(var(--hdr-h) + 40px) 0 80px}
.nf .code{font-family:var(--display);font-size:clamp(90px,18vw,180px);font-weight:800;line-height:1;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:2px var(--blue);opacity:.85}
.nf h1{margin-top:10px;font-size:clamp(22px,3.4vw,34px);font-weight:800;letter-spacing:-.03em;color:var(--ink-2)}
.nf p{margin:14px auto 0;color:var(--ink-500);max-width:44ch;font-size:15.5px}
.nf .row{margin-top:30px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- v5.2 요소: reduced-motion · QA 모드 ---------- */
@media(prefers-reduced-motion:reduce){
  .to-top,.pf-modal .dlg,.pf-modal .ovl{transition:none}
  .scroll-progress span{transition:none}
}
html.ss .pf .more-chip{opacity:1;transform:none}