/* 버드그래픽스 — 디자인 스튜디오 포트폴리오
   모노크롬 에디토리얼 + 단일 액센트(작업 이미지가 색을 담당) */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css");

:root{
  --ink:#111114;
  --ink-70:#3a3a40;
  --ink-45:#71717a;
  --canvas:#ffffff;
  --paper:#f5f4f1;
  --paper-2:#ecebe6;
  --dark:#131316;
  --line:#e7e5df;
  --line-2:#d8d6cf;
  --accent:#e8452a;      /* vermilion — 인터랙션/마크에만 */
  --accent-ink:#c2371f;
  --radius:14px;
  --maxw:1240px;
  --pad:clamp(20px,5vw,64px);
  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--canvas);
  font-size:17px;line-height:1.6;font-weight:420;
  word-break:keep-all;overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.12;margin:0}
p{margin:0}
::selection{background:var(--accent);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.sec{padding-block:clamp(64px,9vw,128px)}
.sec--paper{background:var(--paper)}
.sec--dark{background:var(--dark);color:#f4f3ef}
.sec--tight{padding-block:clamp(48px,7vw,88px)}

/* eyebrow */
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin:0 0 18px;display:inline-flex;align-items:center;gap:9px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--accent);display:inline-block}
.sec--dark .eyebrow{color:#ff7a63}

.lead{font-size:clamp(19px,2.2vw,22px);color:var(--ink-70);line-height:1.55;max-width:60ch}
.sec--dark .lead{color:#c9c8c2}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  padding:15px 26px;border-radius:999px;font-weight:700;font-size:16px;
  border:1.5px solid transparent;cursor:pointer;transition:transform .18s var(--ease),background .2s,color .2s,border-color .2s;
  will-change:transform;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:var(--accent)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--ink);}
.sec--dark .btn--ghost{color:#fff;border-color:rgba(255,255,255,.28)}
.sec--dark .btn--ghost:hover{border-color:#fff}
.btn--lg{padding:17px 32px;font-size:17px}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.hd__in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.02em;font-size:19px}
.brand svg{width:26px;height:26px;flex:none}
.brand .en{font-size:12px;letter-spacing:.2em;color:var(--ink-45);font-weight:700;display:block;margin-top:1px}
.brand__txt b{display:block;line-height:1}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 14px;font-size:15.5px;font-weight:600;color:var(--ink-70);border-radius:8px;transition:color .15s,background .15s}
.nav a:hover{color:var(--ink);background:var(--paper)}
.nav a.on{color:var(--ink)}
.nav a.on::after{content:"";display:block;height:2px;background:var(--accent);border-radius:2px;margin:5px 12px 0}
.hd .btn{padding:10px 18px;font-size:14.5px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:10px;background:#fff;flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer}
.burger span{width:19px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.mnav{display:none}

@media(max-width:900px){
  .nav,.hd .btn.hd-cta{display:none}
  .burger{display:flex}
  .mnav{display:block;position:fixed;inset:68px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.22s var(--ease);z-index:59;padding:8px var(--pad) 20px}
  .mnav.is-open{transform:none;opacity:1;pointer-events:auto}
  .mnav a{display:block;padding:14px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line)}
  .mnav a:last-of-type{border-bottom:0}
  .mnav .btn{width:100%;margin-top:14px}
}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(48px,7vw,86px);padding-bottom:0;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{font-size:clamp(38px,6.4vw,80px);letter-spacing:-.035em}
.hero h1 .em{color:var(--accent)}
.hero__sub{margin-top:26px;font-size:clamp(17px,1.9vw,20px);color:var(--ink-70);max-width:44ch;line-height:1.6}
.hero__cta{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.hero__meta{margin-top:34px;display:flex;gap:28px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line)}
.hero__meta div b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em}
.hero__meta div span{font-size:13.5px;color:var(--ink-45)}
.hero__art{position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:var(--paper);box-shadow:0 30px 60px -30px rgba(0,0,0,.28)}
.hero__art img{width:100%;height:100%;object-fit:cover}
.hero__tag{position:absolute;left:14px;bottom:14px;background:rgba(19,19,22,.86);color:#fff;font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:999px;backdrop-filter:blur(4px)}
@media(max-width:820px){
  .hero__grid{grid-template-columns:1fr;gap:30px}
  .hero__art{aspect-ratio:16/11;order:-1}
  .hero__meta{gap:22px}
}

/* marquee */
.marquee{margin-top:clamp(48px,7vw,80px);overflow:hidden;border-block:1px solid var(--line);padding-block:18px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee__row{display:flex;gap:16px;width:max-content;animation:slide 44s linear infinite}
.marquee:hover .marquee__row{animation-play-state:paused}
.marquee img{height:104px;width:185px;object-fit:cover;border-radius:8px;background:var(--paper);flex:none}
@keyframes slide{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.marquee__row{animation:none}}

/* ---------- section heading ---------- */
.shead{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:clamp(30px,4vw,52px);flex-wrap:wrap}
.shead h2{font-size:clamp(28px,4vw,46px)}
.shead p{color:var(--ink-45);max-width:46ch;margin-top:12px}
.shead .more{font-weight:700;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:3px;white-space:nowrap}

/* ---------- work grid ---------- */
.workgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.6vw,20px)}
@media(max-width:900px){.workgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.workgrid{grid-template-columns:1fr}}
.work{position:relative;display:block;border-radius:var(--radius);overflow:hidden;background:var(--paper);aspect-ratio:16/10;cursor:pointer;border:1px solid var(--line)}
.work img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.work:hover img{transform:scale(1.045)}
.work__ov{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;
  background:linear-gradient(0deg,rgba(17,17,20,.78) 0%,rgba(17,17,20,.12) 46%,transparent 70%);
  opacity:0;transition:opacity .3s var(--ease)}
.work:hover .work__ov,.work:focus-visible .work__ov{opacity:1}
.work__ov b{color:#fff;font-size:16px;font-weight:700}
.work__ov span{color:rgba(255,255,255,.82);font-size:12.5px;font-weight:600;letter-spacing:.04em}

/* ---------- filter ---------- */
.filter{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.filter button{border:1.5px solid var(--line-2);background:#fff;color:var(--ink-70);
  padding:10px 17px;border-radius:999px;font-size:14.5px;font-weight:600;cursor:pointer;transition:.16s}
.filter button:hover{border-color:var(--ink)}
.filter button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* masonry archive */
.masonry{columns:3;column-gap:clamp(12px,1.6vw,18px)}
@media(max-width:900px){.masonry{columns:2}}
@media(max-width:560px){.masonry{columns:1}}
.masonry .work{aspect-ratio:auto;display:inline-block;width:100%;margin-bottom:clamp(12px,1.6vw,18px);break-inside:avoid}
.masonry .work img{transition:transform .5s var(--ease),filter .3s}

/* lightbox */
.lb{position:fixed;inset:0;z-index:120;background:rgba(12,12,14,.94);display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex}
.lb img{max-width:94vw;max-height:88vh;object-fit:contain;border-radius:8px}
.lb__x{position:absolute;top:20px;right:24px;width:48px;height:48px;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:24px;cursor:pointer;line-height:1}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:rgba(0,0,0,.3);color:#fff;font-size:24px;cursor:pointer}
.lb__prev{left:20px}.lb__next{right:20px}
@media(max-width:640px){.lb__nav{width:44px;height:44px}}

/* ---------- services ---------- */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
@media(max-width:820px){.svc{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.svc{grid-template-columns:1fr}}
.svc__item{background:var(--canvas);padding:clamp(24px,3vw,36px);min-height:200px;display:flex;flex-direction:column;transition:background .2s}
.svc__item:hover{background:var(--paper)}
.svc__no{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.1em}
.svc__item h3{font-size:21px;margin:14px 0 10px}
.svc__item p{color:var(--ink-45);font-size:15.5px;line-height:1.6;margin-top:auto}
.svc__item .en{font-size:12px;color:var(--ink-45);letter-spacing:.14em;text-transform:uppercase;font-weight:600;margin-top:6px}

/* ---------- split / about ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:32px}}
.split h2{font-size:clamp(26px,3.6vw,42px);margin-bottom:20px}
.split p+p{margin-top:16px}
.split .body{color:var(--ink-70);line-height:1.7}
.statrow{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:0}
.stat{background:var(--paper);border-radius:var(--radius);padding:24px 20px}
.sec--dark .stat{background:rgba(255,255,255,.06)}
.stat b{display:block;font-size:clamp(30px,4vw,42px);font-weight:800;letter-spacing:-.03em}
.stat span{font-size:13.5px;color:var(--ink-45)}
.sec--dark .stat span{color:#a9a8a2}
.aboutart{border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;background:var(--paper)}
.aboutart img{width:100%;height:100%;object-fit:cover}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(14px,2vw,26px);counter-reset:st}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:26px;border-top:2px solid var(--ink)}
.sec--dark .step{border-top-color:rgba(255,255,255,.85)}
.step .n{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--accent)}
.step h3{font-size:19px;margin:12px 0 8px}
.step p{font-size:14.5px;color:var(--ink-45);line-height:1.55}
.sec--dark .step p{color:#a9a8a2}

/* ---------- essay ---------- */
.essays{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.4vw,30px)}
@media(max-width:860px){.essays{grid-template-columns:1fr}}
.essay{display:flex;flex-direction:column;gap:6px}
.essay__thumb{border-radius:var(--radius);overflow:hidden;aspect-ratio:3/2;background:var(--paper);margin-bottom:12px}
.essay__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.essay:hover .essay__thumb img{transform:scale(1.04)}
.essay .cat{font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.essay h3{font-size:20px;line-height:1.35}
.essay p{color:var(--ink-45);font-size:15px;line-height:1.6}
.essay time{font-size:13px;color:var(--ink-45)}

/* ---------- notice ---------- */
.notices{border-top:1px solid var(--line)}
.notice-item{padding:24px 4px;border-bottom:1px solid var(--line);display:flex;gap:20px;align-items:baseline}
.notice-item time{font-size:14px;color:var(--ink-45);flex:none;width:110px}
.notice-item h3{font-size:18px;margin-bottom:6px}
.notice-item p{color:var(--ink-70);font-size:15.5px;line-height:1.6}
@media(max-width:600px){.notice-item{flex-direction:column;gap:6px}.notice-item time{width:auto}}

/* ---------- page hero (subpages) ---------- */
.phero{padding-block:clamp(48px,7vw,92px) clamp(30px,4vw,48px)}
.phero .eyebrow{margin-bottom:16px}
.phero h1{font-size:clamp(34px,5.4vw,62px);letter-spacing:-.03em}
.phero p{margin-top:20px;color:var(--ink-70);font-size:clamp(17px,1.9vw,20px);max-width:56ch;line-height:1.6}

/* ---------- contact / form ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px)}
@media(max-width:860px){.contact{grid-template-columns:1fr;gap:36px}}
.info-block{margin-bottom:26px}
.info-block .k{font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-45);margin-bottom:7px}
.info-block .v{font-size:18px;font-weight:600}
.info-block .v a:hover{color:var(--accent)}
.chan{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.chan a{border:1.5px solid var(--line-2);border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;transition:.16s}
.chan a:hover{border-color:var(--ink)}

.form{background:var(--paper);border-radius:var(--radius);padding:clamp(22px,3vw,34px)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:14px 15px;border:1.5px solid var(--line-2);border-radius:10px;background:#fff;
  font-family:inherit;font-size:17px;color:var(--ink);transition:border-color .15s}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.field input::placeholder,.field textarea::placeholder{color:#a7a7ad}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:block;border:1.5px solid var(--line-2);border-radius:999px;padding:10px 16px;font-size:14.5px;font-weight:600;cursor:pointer;transition:.15s;color:var(--ink-70)}
.chip input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-70);margin-bottom:18px}
.agree input{width:18px;height:18px;margin-top:2px;flex:none;accent-color:var(--accent)}
.agree a{border-bottom:1px solid var(--line-2)}
.form .btn{width:100%}
.form__msg{margin-top:14px;font-size:15px;padding:12px 14px;border-radius:10px;display:none}
.form__msg.ok{display:block;background:#e9f6ec;color:#1c7a34}
.form__msg.err{display:block;background:#fdecea;color:var(--accent-ink)}

/* map */
.mapwrap{margin-top:14px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:var(--paper)}
.mapwrap iframe{width:100%;height:100%;border:0}

/* ---------- CTA band ---------- */
.ctaband{text-align:center}
.ctaband h2{font-size:clamp(30px,4.6vw,54px);letter-spacing:-.03em}
.ctaband p{margin:18px auto 0;max-width:48ch;color:#c9c8c2}
.ctaband .btnrow{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}

/* ---------- footer ---------- */
.ft{background:var(--dark);color:#c9c8c2;padding-block:clamp(48px,6vw,72px) 34px}
.ft__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:760px){.ft__top{grid-template-columns:1fr;gap:26px}}
.ft .brand{color:#fff;margin-bottom:14px}
.ft .brand .en{color:#8a8a84}
.ft__desc{font-size:15px;line-height:1.6;max-width:34ch}
.ft h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.ft__col a,.ft__col p{display:block;font-size:15px;color:#c9c8c2;margin-bottom:10px}
.ft__col a:hover{color:#fff}
.ft__bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;font-size:13px;color:#8a8a84}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* placeholder marker (self-edit only; no screen badge per spec) */
.is-placeholder{}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}