/* ==========================================================================
   STUDIO: 개발 스튜디오 소개와 문의 (/studio/)
   휴대폰 부품(.phone)은 apps.css 에 있다.
   ========================================================================== */

.studio [hidden] { display: none !important; }
main.studio { overflow-x: clip; }
.st-sec { padding-block: clamp(64px, 9vw, 128px); }
.st-sec-head { display: grid; gap: 14px; max-width: 36em; margin-bottom: clamp(28px, 4vw, 48px); }
.st-sec-head p { color: var(--text-2); }

/* ---------- 첫 화면: 만든 것들을 한데 모은 그림(이 페이지에서 한 번 움직이는 곳) ---------- */
.st-hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center;
  gap: clamp(32px, 5vw, 80px);
  min-height: calc(100svh - var(--header-h));
  padding-block: clamp(40px, 6vw, 80px);
}
.st-hero-copy { display: grid; gap: 22px; justify-items: start; }
/* 영어 표어는 제목 위 머리표가 아니라 제목 다음의 둘째 목소리 */
.st-motto { font-family: var(--f-serif); font-style: italic; font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.2; color: var(--text-2); letter-spacing: -0.01em; margin-top: -10px; }
.st-hero-copy h1 { max-width: 9em; }
.st-hero-copy .lead { max-width: 30em; }
.st-hero-actions { margin-top: 6px; gap: 12px; }

.st-art { margin: 0; display: grid; gap: 18px; }
.st-art-stage { position: relative; height: clamp(420px, 40vw, 540px); perspective: 1600px; }
.st-wall {
  position: absolute; top: 4%; left: 0; right: 6%;
  display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 12px;
  transform: rotateY(-20deg) rotateX(8deg) rotateZ(-3deg);
  transform-origin: 80% 50%;
}
.st-wall img {
  width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 4px;
  box-shadow: 0 18px 30px -18px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.st-wall img:nth-child(2n) { transform: translateY(18px); }
.st-phone { position: absolute; right: 2%; bottom: 0; --w: clamp(190px, 17vw, 236px); transform: rotate(4deg); z-index: 2; }
.st-art figcaption { max-width: 30em; color: var(--text-3); font-size: .88rem; line-height: 1.6; }
.js .st-wall { opacity: 0; transform: rotateY(-32deg) rotateX(8deg) rotateZ(-3deg) translateX(-24px); transition: opacity 1s var(--ease-out), transform 1.4s var(--ease-out); }
.js .st-phone { opacity: 0; transform: translateY(40px) rotate(8deg); transition: opacity .9s var(--ease-out) .25s, transform 1.2s var(--ease-out) .25s; }
.js .st-art.is-in .st-wall { opacity: 1; transform: rotateY(-20deg) rotateX(8deg) rotateZ(-3deg); }
.js .st-art.is-in .st-phone { opacity: 1; transform: rotate(4deg); }

/* ---------- 만든 것 ---------- */
.st-split { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 32px clamp(32px, 6vw, 96px); align-items: start; }
.st-work { list-style: none; border-top: 1px solid var(--line); }
.st-work li { border-bottom: 1px solid var(--line); }
.st-work a {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 24px; row-gap: 6px;
  padding: 24px 4px;
  transition: background var(--d-2);
}
.st-work-name { font-size: 1.35rem; font-weight: 750; letter-spacing: -0.025em; transition: color var(--d-2); }
.st-work-desc { grid-column: 1; color: var(--text-2); font-size: .98rem; max-width: 34em; }
.st-work-url { grid-column: 2; grid-row: 1; align-self: center; font-size: .86rem; color: var(--text-3); transition: color var(--d-2); }
.st-work a:hover .st-work-name { color: var(--ether-2); }
.st-work a:hover .st-work-url { color: var(--ether); }
.st-work-note { margin-top: 28px; color: var(--text-3); font-size: .95rem; }

/* ---------- 맡는 일 ---------- */
.st-services { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(32px, 6vw, 96px); }
.st-service { padding: 26px 0 30px; border-top: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.st-service h3 { font-size: 1.3rem; letter-spacing: -0.025em; }
.st-service p { color: var(--text-2); max-width: 30em; }

/* ---------- 진행 방식: 진짜 순서라서 번호를 단다 ---------- */
.st-steps { list-style: none; counter-reset: st; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; position: relative; }
.st-steps::before {
  content: ""; position: absolute; left: 22px; right: 22px; top: 22px; height: 1px;
  background: var(--line-2);
}
.st-steps li { counter-increment: st; position: relative; display: grid; gap: 10px; align-content: start; }
.st-steps li::before {
  content: counter(st);
  display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 10px; border-radius: 50%;
  background: var(--bg); border: 1px solid var(--line-input);
  font-family: var(--f-mono); font-size: .9rem; color: var(--text-2);
  position: relative; z-index: 1;
}
.st-steps li:first-child::before { border-color: var(--ether); color: var(--ether); }
.st-steps h3 { font-size: 1.2rem; letter-spacing: -0.02em; }
.st-steps p { color: var(--text-2); font-size: .97rem; }

/* ---------- 협업 ---------- */
.st-collab {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px clamp(32px, 6vw, 96px); align-items: center;
  padding: clamp(28px, 4.4vw, 56px); border-radius: var(--r-xl);
  border: 1px solid rgba(255, 138, 102, 0.2);
  background: radial-gradient(90% 120% at 100% 100%, rgba(255, 138, 102, 0.09), transparent 60%), var(--bg-2);
}
.st-collab-copy { display: grid; gap: 18px; justify-items: start; }
.st-collab-copy p { color: var(--text-2); max-width: 32em; }
.st-collab-list { display: grid; gap: 22px; margin: 0; }
.st-collab-list > div { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.st-collab-list dt { flex-basis: 100%; font-size: .88rem; font-weight: 650; color: var(--text-3); margin-bottom: 2px; }
.st-collab-list dd { margin: 0; display: inline-flex; align-items: center; height: 36px; padding: 0 14px; border-radius: var(--r-pill); border: 1px solid var(--line-2); color: var(--text); font-size: .94rem; font-weight: 550; }

/* ---------- 문의 ---------- */
.st-contact { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px clamp(32px, 6vw, 96px); align-items: start; }
.st-contact-info { display: grid; gap: 18px; position: sticky; top: calc(var(--header-h) + 32px); }
.st-contact-info > p { color: var(--text-2); max-width: 26em; }
.st-meta { display: grid; gap: 0; margin: 12px 0 0; border-top: 1px solid var(--line); }
.st-meta > div { display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.st-meta dt { color: var(--text-3); font-size: .92rem; }
.st-meta dd { margin: 0; }
.st-meta a { color: var(--ether); }
.st-meta a:hover { text-decoration: underline; text-underline-offset: 3px; }

.st-form-box { border-radius: var(--r-xl); border: 1px solid var(--line-2); background: var(--panel); padding: clamp(22px, 3.6vw, 44px); }
.st-form { display: grid; gap: 22px; }
.st-kinds { border: 0; padding: 0; margin: 0; min-width: 0; }
.st-kinds legend { padding: 0; margin-bottom: 8px; }
.st-kind-row { display: flex; flex-wrap: wrap; gap: 8px; }
.st-kind { position: relative; }
.st-kind input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.st-kind span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: var(--r-pill);
  border: 1px solid var(--line-input); color: var(--text-2); font-weight: 600; font-size: .95rem;
  cursor: pointer; transition: color var(--d-2), background var(--d-2), border-color var(--d-2);
}
.st-kind span:hover { color: var(--text); border-color: rgba(148, 170, 197, .55); }
.st-kind input:checked + span { background: var(--text); border-color: var(--text); color: var(--bg); }
.st-kind input:focus-visible + span { outline: var(--focus-w) solid var(--focus); outline-offset: var(--focus-off); }
.st-msg-foot { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.st-msg-foot .field-error { flex: 1; }
.st-count { margin-left: auto; white-space: nowrap; font-variant-numeric: tabular-nums; }
.st-count.is-over { color: var(--err); }
.input[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--err); }
.input[aria-invalid="true"]:focus-visible, .textarea[aria-invalid="true"]:focus-visible { outline-color: var(--err); }
.st-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.st-form-err { padding: 12px 16px; border-radius: var(--r-md); border: 1px solid rgba(248, 113, 113, 0.35); background: rgba(248, 113, 113, 0.08); color: var(--text); font-size: .94rem; }
.st-form-foot { color: var(--text-2); font-size: .92rem; }
.st-form-foot a, .st-form-privacy a { color: var(--ether); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.st-form-privacy { color: var(--text-3); font-size: .85rem; margin-top: -10px; }

.st-sent { display: grid; justify-items: start; gap: 14px; padding: 12px 0; }
.st-sent:focus { outline: none; }
.st-sent-mark { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--ether-dim); color: var(--ether); }
.st-sent h3 { font-size: 1.5rem; letter-spacing: -0.025em; }
.st-sent p { color: var(--text-2); }
.st-sent strong { color: var(--text); font-weight: 650; word-break: break-all; }

@media (max-width: 960px) {
  .st-hero { grid-template-columns: 1fr; min-height: 0; padding-block: 32px 24px; }
  .st-art-stage { height: clamp(330px, 88vw, 460px); }
  .st-split, .st-contact { grid-template-columns: 1fr; }
  .st-contact-info { position: static; }
  .st-steps { grid-template-columns: 1fr; gap: 0; }
  .st-steps::before { left: 21px; right: auto; top: 22px; bottom: 22px; width: 1px; height: auto; }
  .st-steps li { grid-template-columns: 44px minmax(0, 1fr); column-gap: 18px; row-gap: 6px; padding-bottom: 28px; }
  .st-steps li::before { grid-row: span 2; margin: 0; }
  .st-steps li:last-child { padding-bottom: 0; }
  .st-collab { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .st-services { grid-template-columns: 1fr; }
  .st-work a { grid-template-columns: 1fr; }
  .st-work-url { grid-column: 1; grid-row: auto; }
  .st-hero-actions .btn { flex: 1 1 auto; }
  .st-wall { gap: 8px; right: 0; }
  .st-phone { --w: 158px; right: 3%; }
}