:root {
  --black: #000;
  --white: #fff;
  --muted: #a3a3a3;
  --line: rgba(255,255,255,.22);
  --pad-x: 7.5vw;
  --header-h: 86px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Pretendard", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button { color: inherit; font: inherit; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 3.75vw;
  color: #fff;
  mix-blend-mode: normal;
}
.site-header.solid { background: #000; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { width: 218px; height: 27px; object-fit: contain; filter: grayscale(1) contrast(100); mix-blend-mode: screen; }
.desktop-nav { display: flex; align-items: center; gap: 34px; }
.desktop-nav a,
.menu-toggle {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -.02em;
}
.desktop-nav a { position: relative; }
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: -4px;
  height: 2px; background: currentColor;
  transition: right .2s ease;
}
.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after { right: 0; }
.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 10px 0;
  cursor: pointer;
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-content: center;
  padding: 92px 8vw 40px;
  background: rgba(0,0,0,.97);
  transform: translateX(100%);
  transition: transform .28s ease;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a {
  padding: 10px 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(34px, 10vw, 58px);
  font-weight: 900;
  letter-spacing: -.05em;
}

.hero-slider { position: relative; height: 100svh; min-height: 600px; overflow: hidden; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.025);
  transition: opacity .75s ease, transform 1.3s ease;
}
.hero-slide.active { opacity: 1; pointer-events: auto; transform: scale(1); }
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.3), rgba(0,0,0,.02) 45%, rgba(0,0,0,.34));
}
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-copy {
  position: absolute;
  z-index: 2;
  left: 3.75vw;
  bottom: 4.2vw;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .45s .3s ease, transform .45s .3s ease;
}
.hero-slide.active .hero-slide-copy { opacity: 1; transform: none; }
.hero-slide-copy h2,
.hero-slide-copy p { margin: 0; font-family: Arial, Helvetica, sans-serif; font-weight: 900; }
.hero-slide-copy h2 { font-size: clamp(28px, 4.4vw, 68px); letter-spacing: -.055em; }
.hero-slide-copy p { margin-top: 5px; font-size: 15px; text-transform: uppercase; }
.slider-index {
  position: absolute;
  z-index: 5;
  right: 3.75vw;
  bottom: 4.2vw;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 900;
}
.hero-slide-copy,
.slider-index { display: none; }
.slider-line { width: 58px; height: 2px; background: rgba(255,255,255,.35); overflow: hidden; }
.slider-line span { display: block; width: 100%; height: 100%; background: #fff; transform-origin: left; animation: progress 5s linear; }
@keyframes progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.page-main { min-height: 100svh; padding: 172px var(--pad-x) 140px; }
.page-title {
  margin: 0 0 74px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -.055em;
  line-height: 1;
}

.project-grid { display: grid; width: 100%; margin-inline: auto; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.project-card { position: relative; overflow: hidden; aspect-ratio: 3 / 2; background: #151515; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1), filter .4s ease; }
.project-card::after { content:""; position:absolute; inset:40% 0 0; background:linear-gradient(transparent,rgba(0,0,0,.76)); pointer-events:none; }
.project-card:hover img { transform: scale(1.025); filter: brightness(.78); }
.project-card-copy { position:absolute; z-index:2; left:24px; right:24px; bottom:24px; }
.project-card-copy h2,
.project-card-copy p { margin:0; font-family:Arial,Helvetica,sans-serif; font-weight:900; }
.project-card-copy h2 { font-size:clamp(30px,3.125vw,40px); letter-spacing:-.055em; line-height:1; }
.project-card-copy p { margin-top:12px; font-size:15px; text-transform:lowercase; }

.team-main { padding-top: 190px; }
.team-story { max-width: 1030px; font-size: 16px; line-height: 1.75; letter-spacing: -.018em; }
.team-story p { margin: 0 0 8px; }
.team-story p:first-child { margin-bottom: 24px; }
.team-story p:last-child { margin-bottom: 0; }
.team-services { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; margin-top:110px; border:1px solid var(--line); background:var(--line); }
.team-services article { min-height:310px; padding:30px 25px; background:#000; }
.team-services span { display:block; margin-bottom:90px; color:var(--muted); font-size:12px; font-weight:800; }
.team-services h2 { margin:0 0 15px; font-family:Arial,Helvetica,sans-serif; font-size:23px; }
.team-services p { margin:0; color:var(--muted); font-size:14px; line-height:1.75; }
.team-image { width: min(78%, 1050px); margin: 132px 0 0 auto; }
.team-image img { aspect-ratio: 4/3; object-fit: cover; }
.cap { margin-top:12px; color:var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:.08em; }

.contact-main { min-height:100svh; padding:150px var(--pad-x) 110px; }
.contact-shell { display:grid; grid-template-columns:.75fr 1.25fr; gap:10vw; align-items:start; }
.contact-list { width:100%; }
.contact-kicker { margin:0 0 18px; color:var(--muted); font-size:12px; font-weight:850; letter-spacing:.1em; }
.contact-list > h1 { max-width:480px; margin:0 0 72px; font-size:40px; line-height:1.08; letter-spacing:-.055em; }
.contact-item { margin:0 0 38px; }
.contact-item h2 { margin:0 0 9px; font-family:Arial,Helvetica,sans-serif; font-size:15px; font-weight:900; letter-spacing:.08em; }
.contact-item p,
.contact-item a { margin:0; font-size:16px; font-weight:750; line-height:1.7; }
.contact-note { max-width:420px; margin-top:60px; color:var(--muted); font-size:13px; line-height:1.7; }
.inquiry-form { display:grid; gap:28px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.inquiry-form label { display:grid; gap:11px; color:#aaa; font-size:12px; font-weight:800; letter-spacing:.04em; }
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea { width:100%; border:0; border-bottom:1px solid var(--line); border-radius:0; outline:0; background:#000; color:#fff; padding:13px 0 15px; font-size:16px; font-weight:600; resize:vertical; }
.inquiry-form textarea { border:1px solid var(--line); padding:18px; min-height:180px; }
.inquiry-form input:focus,
.inquiry-form select:focus { border-bottom-color:#fff; }
.inquiry-form textarea:focus { border-color:#fff; }
.inquiry-form ::placeholder { color:#626262; }
.form-bottom { display:flex; align-items:center; justify-content:space-between; gap:24px; }
.form-bottom p { margin:0; color:var(--muted); font-size:12px; }
.form-bottom button { flex:0 0 auto; min-width:190px; min-height:54px; border:1px solid #fff; background:#000; color:#fff; font-weight:850; cursor:pointer; transition:.2s; }
.form-bottom button:hover { background:#fff; color:#000; }

#projectDetail { opacity:0; transform:translateY(10px); }
#projectDetail.detail-ready { animation:detail-enter .72s cubic-bezier(.22,.7,.25,1) forwards; }
@keyframes detail-enter { to { opacity:1; transform:none; } }
.detail-hero { position:relative; height:100svh; min-height:640px; overflow:hidden; }
.detail-hero img { width:100%; height:100%; object-fit:cover; opacity:0; transform:scale(1.015); transition:opacity .9s ease, transform 1.2s cubic-bezier(.22,.7,.25,1); }
.detail-hero img.loaded { opacity:1; transform:scale(1); }
.detail-hero::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(0,0,0,.24),rgba(0,0,0,.08) 45%,rgba(0,0,0,.72)); }
.detail-title { position:absolute; z-index:2; left:var(--pad-x); right:var(--pad-x); bottom:7vw; }
.detail-title h1 { margin:0; max-width:980px; font-family:Arial,Helvetica,sans-serif; font-size:40px; font-weight:900; letter-spacing:-.055em; line-height:1; }
.detail-title p { margin:18px 0 0; font-weight:850; text-transform:uppercase; }
.detail-intro { display:grid; grid-template-columns:1.15fr .85fr; gap:10vw; padding:150px var(--pad-x); }
.detail-intro h2 { margin:0; font-size:40px; line-height:1.15; letter-spacing:-.04em; }
.detail-meta { display:grid; grid-template-columns:1fr 1fr; gap:36px; }
.detail-meta span { display:block; margin-bottom:8px; color:var(--muted); font-size:11px; font-weight:850; letter-spacing:.1em; text-transform:uppercase; }
.detail-meta strong { font-size:15px; }
.detail-gallery { display:grid; gap:28px; padding:0 2vw 100px; }
.detail-gallery figure { margin:0; overflow:hidden; background:#141414; }
.detail-gallery img { width:100%; max-height:1100px; object-fit:cover; }
.detail-gallery .portrait { width:70%; margin-left:auto; }
.next-project { display:block; padding:120px var(--pad-x); border-top:1px solid var(--line); }
.next-project span { color:var(--muted); font-size:12px; font-weight:850; text-transform:uppercase; }
.next-project strong { display:block; margin-top:18px; font-family:Arial,Helvetica,sans-serif; font-size:40px; letter-spacing:-.055em; line-height:1; }

.site-footer { border-top:1px solid var(--line); }
.footer-actions { display:grid; grid-template-columns:repeat(4,1fr); }
.footer-actions a { display:grid; place-items:center; min-height:110px; padding:20px; border-right:1px solid var(--line); font-family:Arial,Helvetica,sans-serif; font-size:14px; font-weight:900; transition:.2s; }
.footer-actions a:hover { background:#fff; color:#000; }
.footer-actions a:last-child { border-right:0; }
.footer-bottom { display:grid; place-items:center; gap:34px; padding:95px var(--pad-x) 40px; }
.footer-logo { width:280px; height:33px; object-fit:contain; filter:grayscale(1) contrast(100); mix-blend-mode:screen; }

.projects-page { padding: 184px 3.75vw 140px; }
.projects-intro { margin-bottom: 58px; }
.projects-intro .page-title { margin-bottom: 18px; }
.projects-intro p { max-width: 790px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; letter-spacing: -.018em; }
.footer-bottom p { margin:0; color:#8a8a8a; font-size:11px; }

@media (max-width: 760px) {
  :root { --pad-x: 20px; --header-h: 72px; }
  .site-header { padding:0 20px; }
  .brand-logo { width:150px; height:18px; }
  .desktop-nav { display:none; }
  .menu-toggle { display:block; }
  .mobile-nav { display:grid; }
  .hero-slider { min-height:520px; }
  .hero-slide-copy { left:20px; right:20px; bottom:58px; }
  .hero-slide-copy h2 { font-size:34px; }
  .slider-index { right:20px; bottom:20px; }
  .page-main { padding:118px 20px 90px; }
  .page-title { margin-bottom:42px; }
  .projects-intro { margin-bottom: 36px; }
  .projects-intro .page-title { margin-bottom: 15px; }
  .projects-intro p { font-size: 15px; }
  .project-grid { grid-template-columns:1fr; gap:10px; }
  .project-card { aspect-ratio:521/556; }
  .project-card-copy { left:18px; right:18px; bottom:18px; }
  .project-card-copy h2 { font-size:30px; }
  .team-main { padding-top:120px; }
  .team-story { font-size:16px; line-height:1.75; }
  .team-story p { margin-bottom:8px; }
  .team-services { grid-template-columns:1fr; margin-top:70px; }
  .team-services article { min-height:230px; }
  .team-services span { margin-bottom:60px; }
  .team-image { width:100%; margin-top:72px; }
  .contact-main { padding:110px 20px 80px; }
  .contact-shell { grid-template-columns:1fr; gap:80px; }
  .contact-list > h1 { margin-bottom:50px; }
  .contact-item { margin-bottom:28px; }
  .contact-note { margin-top:45px; }
  .form-row { grid-template-columns:1fr; gap:28px; }
  .form-bottom { align-items:stretch; flex-direction:column; }
  .form-bottom button { width:100%; }
  .detail-hero { min-height:560px; height:82svh; }
  .detail-title { bottom:34px; }
  .detail-title h1 { font-size:40px; }
  .detail-intro { grid-template-columns:1fr; gap:55px; padding:86px 20px; }
  .detail-meta { gap:28px 18px; }
  .detail-gallery { gap:10px; padding:0 0 70px; }
  .detail-gallery .portrait { width:100%; }
  .next-project { padding:76px 20px; }
  .footer-actions { grid-template-columns:1fr; }
  .footer-actions a { min-height:72px; border-right:0; border-bottom:1px solid var(--line); }
  .footer-bottom { padding-top:70px; }
  .footer-logo { width:220px; height:26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior:auto !important; animation-duration:.01ms !important; transition-duration:.01ms !important; }
}