/* Decoding DAU — Design System */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');

:root{
  --ink:#0E1113;
  --ink-2:#2A3035;
  --muted:#6E7781;
  --line:#E4E2DC;
  --line-2:#F0EEE9;
  --paper:#FBFAF7;
  --paper-2:#FFFFFF;
  --clay:#B85C38;
  --clay-soft:#F4EAE4;
  --data:#1F4E5F;
  --ok:#2F7A5A;

  --sans:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,'Segoe UI',sans-serif;
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,'Liberation Mono',monospace;

  --max:1240px;
  --gut:clamp(20px,5vw,64px);
  --r:2px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  font-weight:400;letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  /* 한글: 어절 단위로만 줄바꿈 (단어 중간 분리 방지) */
  word-break:keep-all;overflow-wrap:break-word;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-0.035em;line-height:1.22}
p{margin:0}
table{border-collapse:collapse;width:100%}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.sec{padding:clamp(64px,9vw,128px) 0}
.sec--tight{padding:clamp(48px,6vw,80px) 0}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--clay);
  display:flex;align-items:center;gap:10px;margin-bottom:20px;
}
.eyebrow::before{content:'';width:24px;height:1px;background:var(--clay);flex:none}
.h1{font-size:clamp(34px,5.4vw,64px)}
.h2{font-size:clamp(26px,3.6vw,42px)}
.h3{font-size:clamp(19px,2vw,24px)}
.lead{font-size:clamp(16px,1.5vw,19px);color:var(--ink-2);line-height:1.75}
.small{font-size:14px;color:var(--muted);line-height:1.65}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.stack>*+*{margin-top:1em}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:60;background:rgba(251,250,247,.82);
  backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line);
}
.hdr__in{max-width:var(--max);margin:0 auto;padding:0 var(--gut);
  height:66px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;line-height:1;flex:none}
.logo b{font-size:16px;font-weight:700;letter-spacing:-.03em}
.logo span{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:30px;align-items:center}
.nav a{font-size:14px;color:var(--ink-2);position:relative;padding:4px 0;transition:color .18s}
.nav a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .22s}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.nav a[aria-current]{color:var(--ink);font-weight:600}
.hdr__cta{display:flex;align-items:center;gap:14px}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);background:none;border-radius:var(--r);cursor:pointer;padding:0;position:relative}
.burger i{position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);transition:.25s}
.burger i:nth-child(1){top:14px}.burger i:nth-child(2){top:19px}.burger i:nth-child(3){top:24px}
.burger[aria-expanded=true] i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger[aria-expanded=true] i:nth-child(2){opacity:0}
.burger[aria-expanded=true] i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r);font-size:14px;font-weight:600;
  border:1px solid var(--ink);background:var(--ink);color:var(--paper-2);
  cursor:pointer;transition:.2s;white-space:nowrap;letter-spacing:-.01em;
}
.btn:hover{background:var(--clay);border-color:var(--clay)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{background:var(--ink);color:var(--paper-2);border-color:var(--ink)}
.btn--sm{padding:9px 18px;font-size:13px}
.btn--lg{padding:16px 34px;font-size:15px}
.btn--light{background:var(--paper-2);color:var(--ink);border-color:var(--paper-2)}
.btn--light:hover{background:var(--clay);color:#fff;border-color:var(--clay)}

/* ---------- notice ---------- */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--clay-soft);border-left:2px solid var(--clay);
  padding:16px 20px;border-radius:var(--r);
}
.notice__tag{font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--clay);flex:none;padding-top:3px}
.notice p{font-size:13.5px;line-height:1.65;color:var(--ink-2);margin:0}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:clamp(20px,2.6vw,32px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.card:hover{border-color:var(--ink);transform:translateY(-2px)}

/* ---------- project card ---------- */
.pcard{display:block;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.28s}
.pcard:hover{border-color:var(--ink);box-shadow:0 12px 32px -18px rgba(14,17,19,.4)}
.pcard__media{position:relative;aspect-ratio:4/3;background:var(--line-2);overflow:hidden}
.pcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.pcard:hover .pcard__media img{transform:scale(1.04)}
.pcard__badge{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:var(--mono);font-size:9.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(14,17,19,.78);color:#fff;padding:5px 9px;border-radius:var(--r);backdrop-filter:blur(4px);
}
.pcard__body{padding:22px 22px 24px}
.pcard__cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--clay)}
.pcard__title{font-size:19px;font-weight:600;margin:9px 0 7px;letter-spacing:-.03em;line-height:1.35}
.pcard__sub{font-size:13.5px;color:var(--muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard__meta{display:flex;gap:16px;margin-top:16px;padding-top:15px;border-top:1px solid var(--line-2);
  font-family:var(--mono);font-size:11.5px;color:var(--ink-2)}
.pcard__meta span{display:flex;flex-direction:column;gap:3px}
.pcard__meta em{font-style:normal;font-size:9.5px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}

/* ---------- filter ---------- */
.filter{display:flex;gap:8px;flex-wrap:wrap}
.filter button{
  padding:9px 18px;border:1px solid var(--line);background:var(--paper-2);
  border-radius:var(--r);font-size:13.5px;color:var(--ink-2);cursor:pointer;transition:.18s;
}
.filter button:hover{border-color:var(--ink)}
.filter button[aria-pressed=true]{background:var(--ink);color:var(--paper-2);border-color:var(--ink);font-weight:600}
.filter button .n{font-family:var(--mono);font-size:11px;opacity:.6;margin-left:6px}

/* ---------- before/after slider ---------- */
.ba{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r);
  background:var(--line-2);user-select:none;touch-action:pan-y;cursor:ew-resize}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba__after{clip-path:inset(0 0 0 var(--pos,50%))}
.ba__handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;background:#fff;
  box-shadow:0 0 0 1px rgba(0,0,0,.14);z-index:3;pointer-events:none}
.ba__knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.28);
  display:grid;place-items:center;font-size:12px;color:var(--ink)}
.ba__lbl{position:absolute;bottom:14px;z-index:2;font-family:var(--mono);font-size:10px;
  font-weight:600;letter-spacing:.12em;background:rgba(14,17,19,.75);color:#fff;
  padding:5px 10px;border-radius:var(--r);backdrop-filter:blur(4px)}
.ba__lbl--b{left:14px}.ba__lbl--a{right:14px}

/* ---------- data table ---------- */
.dtable{width:100%;font-size:14px}
.dtable th{
  text-align:left;font-family:var(--mono);font-size:10.5px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  padding:0 0 12px;border-bottom:1px solid var(--ink);
}
.dtable td{padding:14px 0;border-bottom:1px solid var(--line-2);vertical-align:top}
.dtable .num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.dtable tfoot td{border-bottom:0;border-top:1px solid var(--ink);font-weight:700;padding-top:16px}
.dtable tbody tr:hover{background:var(--line-2)}

/* ---------- spec list ---------- */
.spec{display:grid;grid-template-columns:112px 1fr;gap:0;font-size:14.5px}
.spec dt{padding:13px 0;border-bottom:1px solid var(--line-2);color:var(--muted);font-size:13px}
.spec dd{padding:13px 0;border-bottom:1px solid var(--line-2);margin:0;color:var(--ink)}
.spec dd em{font-style:normal;display:block;font-size:12.5px;color:var(--muted);margin-top:3px}

/* ---------- gantt ---------- */
.gantt{display:flex;flex-direction:column;gap:9px}
.gantt__row{display:grid;grid-template-columns:minmax(120px,1.1fr) 3fr;gap:16px;align-items:center;font-size:13.5px}
.gantt__bar{height:26px;background:var(--line-2);border-radius:var(--r);position:relative;overflow:hidden}
.gantt__fill{position:absolute;top:0;bottom:0;background:var(--data);border-radius:var(--r);
  display:flex;align-items:center;padding:0 9px;color:#fff;font-family:var(--mono);font-size:10.5px}

/* ---------- stat ---------- */
.stat{border-top:1px solid var(--ink);padding-top:18px}
.stat b{display:block;font-family:var(--mono);font-size:clamp(28px,3.4vw,40px);font-weight:600;
  letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.stat>span{display:block;font-size:13px;color:var(--muted);margin-top:9px}
.stat b span{display:inline;font-size:.5em;color:inherit;margin:0}

/* ---------- dark section ---------- */
.dark{background:var(--ink);color:var(--paper)}
.dark .lead{color:#B7BDC2}
.dark .small{color:#8B939A}
.dark .rule{background:#242A2E}
.dark .eyebrow{color:#E0A78C}
.dark .eyebrow::before{background:#E0A78C}
.dark .stat{border-top-color:#3A4147}
.dark .stat>span{color:#8B939A}

/* ---------- form ---------- */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-size:13.5px;font-weight:600}
.field label i{font-style:normal;color:var(--clay);margin-left:3px}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:15px;padding:13px 15px;border:1px solid var(--line);
  border-radius:var(--r);background:var(--paper-2);color:var(--ink);width:100%;transition:.16s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,17,19,.06)}
.field textarea{min-height:130px;resize:vertical;line-height:1.65}
.field .hint{font-size:12.5px;color:var(--muted)}
.check{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;line-height:1.6}
.check input{width:17px;height:17px;flex:none;margin-top:2px;accent-color:var(--ink)}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:#9AA2A9;padding:clamp(52px,6vw,80px) 0 34px;font-size:14px}
.ftr a{color:#9AA2A9;transition:color .16s}
.ftr a:hover{color:#fff}
.ftr h4{color:#fff;font-size:12px;font-family:var(--mono);letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:18px;font-weight:600}
.ftr__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(28px,5vw,64px)}
.ftr__bot{margin-top:52px;padding-top:26px;border-top:1px solid #242A2E;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#6E7781}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav{
    position:fixed;inset:66px 0 auto;background:var(--paper);flex-direction:column;
    align-items:stretch;gap:0;padding:8px var(--gut) 24px;border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.22s;
  }
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15px}
  .nav a::after{display:none}
  .burger{display:block}
  .hdr__cta .btn{display:none}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .ftr__grid{grid-template-columns:1fr}
  .spec{grid-template-columns:92px 1fr;font-size:14px}
  .gantt__row{grid-template-columns:1fr;gap:6px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

.gantt__out{position:absolute;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:10.5px;color:var(--muted);white-space:nowrap}

/* ========== v2 components ========== */
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:#fff;padding:12px 20px;border-radius:0 0 var(--r) 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px}

/* hero */
.hero{position:relative;background:var(--ink);color:var(--paper);overflow:hidden;
  padding:clamp(80px,12vw,150px) 0 clamp(64px,9vw,110px)}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.26;filter:grayscale(.3)}
.hero::after{content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(14,17,19,.95) 0%,rgba(14,17,19,.82) 48%,rgba(14,17,19,.55) 100%)}
.hero__in{position:relative;z-index:2}
.hero .lead{color:#C3C9CE}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:38px}
.btn--outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn--outline:hover{background:#fff;color:var(--ink);border-color:#fff}

.ph{aspect-ratio:4/3;background:var(--line-2);border-radius:var(--r)}
.num-tag{font-size:12px;color:var(--clay);letter-spacing:.16em}
.kicker{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.sec__head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}

.hero-shot{border-radius:var(--r);overflow:hidden;background:var(--line-2);aspect-ratio:16/10}
.hero-shot img{width:100%;height:100%;object-fit:cover}

.tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:7px}
.tags li{font-size:12.5px;padding:6px 12px;border:1px solid var(--line);border-radius:99px;color:var(--ink-2);background:var(--paper-2)}

.shot{margin:0;border-radius:var(--r);overflow:hidden;background:var(--line-2)}
.shot img{width:100%;height:auto;display:block;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.shot:hover img{transform:scale(1.02)}
.masonry{columns:2;column-gap:clamp(16px,2.2vw,26px)}
.masonry .shot{break-inside:avoid;margin-bottom:clamp(16px,2.2vw,26px)}

.prob{display:grid;grid-template-columns:64px 1fr;gap:clamp(16px,3vw,40px);
  padding:clamp(28px,4vw,44px) 0;border-top:1px solid var(--line)}
.prob:last-child{border-bottom:1px solid var(--line)}
.prob__n{font-size:13px;color:var(--clay);letter-spacing:.14em;padding-top:6px}

.pillar{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:34px 28px 36px;position:relative}
.pillar__code{position:absolute;top:20px;right:22px;font-size:11px;letter-spacing:.16em;color:var(--line);font-weight:700}

.steps{list-style:none;margin:40px 0 0;padding:0;display:grid;gap:0}
.steps li{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line-2);align-items:start}
.steps li:first-child{border-top:1px solid var(--ink)}
.steps__n{font-size:12px;color:var(--clay);padding-top:3px;letter-spacing:.1em}
.steps b{font-size:16px;font-weight:600}
.steps--sm{margin-top:0}
.steps--sm li{padding:13px 0;grid-template-columns:46px 1fr}
.steps--sm b{font-size:14.5px}

.cmp td.muted{color:var(--muted)}
.cmp td.ours{color:var(--ink);font-weight:500}
.cmp tbody tr:hover{background:var(--clay-soft)}

.art{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:30px 28px 32px;position:relative}
.art__soon{position:absolute;top:22px;right:24px;font-size:10px;letter-spacing:.12em;
  color:var(--muted);border:1px solid var(--line);padding:3px 8px;border-radius:99px}

/* form */
.form fieldset{border:0;margin:0 0 34px;padding:0}
.form legend{padding:0 0 18px;width:100%;border-bottom:1px solid var(--line);margin-bottom:22px}
.hp{position:absolute!important;left:-9999px!important;opacity:0}
.err{background:#FCEDEA;border-left:2px solid #C0392B;color:#8E2C1F;padding:13px 18px;
  border-radius:var(--r);font-size:14px;margin:0 0 16px}
.ok{background:#E9F3ED;border-left:2px solid var(--ok);padding:20px 22px;border-radius:var(--r);margin-bottom:8px}
.ok b{color:#1F5C43;font-size:16px}
.field input:invalid:not(:placeholder-shown){border-color:#C0392B}
button[disabled]{opacity:.55;cursor:not-allowed}

.pager{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.pager a{max-width:46%}
.pager a.r{text-align:right}
.pager span{display:block;font-size:11px;color:var(--muted);margin-bottom:6px;letter-spacing:.1em}
.pager b{font-size:15px;font-weight:600;color:var(--ink)}
.pager a:hover b{color:var(--clay)}

@media(max-width:760px){
  .masonry{columns:1}
  .prob{grid-template-columns:1fr;gap:10px}
  .pager a{max-width:100%}
  .pager a.r{text-align:left}
  .hero__bg img{opacity:.2}
}