/* /work 전용. 다크 확정이라 main.css 를 안 불러온다. 이 파일 하나로 페이지가 선다.
   값은 다크 히어로 레퍼런스 실측에서 가져왔다. 근거는 docs 쪽 채널 전략에 적어뒀다. */

:root {
  /* 오프블랙 3단 계단. 순회색은 안 쓴다. 빨간 개미가 액센트라 웜으로 기울였다 */
  --bg-0: #0b0908;
  --bg-1: #100d0c;
  --bg-2: #16120f;

  /* 면 분리는 회색 테두리가 아니라 1px 화이트 알파. 다크에서 그림자는 안 보인다 */
  --hair: rgba(255, 255, 255, 0.08);
  --hair-2: rgba(255, 255, 255, 0.14);

  /* 순백은 안 쓴다. 4단 계조 */
  --fg-1: #f6f2ee;
  --fg-2: #c9c2ba;
  --fg-3: #8a827a;
  --fg-4: #5f5852;

  /* 액센트 하나. polish.css 가 section-dark 에서 쓰는 값과 같다 */
  --ant: #FF2A1F;
  --ant-dim: rgba(255, 129, 99, 0.16);

  --ease: cubic-bezier(.25, .1, .25, 1);
  --ease-ui: cubic-bezier(.4, 0, .2, 1);

  --sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
          "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--fg-1);
  font-family: var(--sans);
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 700px) { .wrap { padding: 0 22px; } }

/* ===== 네비 ===== */
.nav {
  position: absolute; top: 0; left: 0; right: 0; z-index: 40;
  padding: 22px 0;
}
.nav-in { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 14px; font-weight: 800; letter-spacing: -0.02em; }
.nav-url { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--fg-4); }

/* ===== 히어로 ===== */
.hero { position: relative; padding: 132px 0 104px; overflow: hidden; }

/* 배경 영상. 모니터가 하나씩 꺼지고 스탠드 하나가 켜진다.
   한 번만 돌고 마지막 프레임에서 멈춘다. 무한 루프는 배경이 주인공이 되는 짓이라 안 한다. */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 62% 50%;
  opacity: 0.52;
  pointer-events: none;
  /* 왼쪽 글자 자리는 거의 검정으로 눌러두고 오른쪽만 남긴다 */
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0%, rgba(0,0,0,.35) 34%, #000 68%),
    linear-gradient(180deg, transparent 0%, #000 22%, #000 74%, transparent 100%);
          mask-image:
    linear-gradient(90deg, transparent 0%, rgba(0,0,0,.35) 34%, #000 68%),
    linear-gradient(180deg, transparent 0%, #000 22%, #000 74%, transparent 100%);
  -webkit-mask-composite: source-in;
          mask-composite: intersect;
}
/* 영상 위에 지면색을 한 겹 더 깔아 대비를 좁힌다. 다크는 대비를 키우는 게 아니라 좁히는 판이다 */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, var(--bg-0) 18%, rgba(11,9,8,.55) 52%, rgba(11,9,8,.2) 100%);
}
.hero > .wrap { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  align-items: center; gap: 72px;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 44px; } }

.eyebrow {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ant); margin: 0 0 22px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::after { content: ""; height: 1px; flex: 0 1 64px; background: var(--ant-dim); }

h1 {
  margin: 0 0 26px;
  font-size: clamp(38px, 5.4vw, 68px);
  font-weight: 800; letter-spacing: -0.042em; line-height: 1.08;
  text-wrap: balance;
}
h1 em { font-style: normal; color: var(--ant); }

/* 장부 한 줄. 이 계정의 시각적 시그니처다 */
.ledger {
  margin: 0 0 24px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.02em;
  color: var(--fg-3); font-variant-numeric: tabular-nums;
}
.ledger b { color: var(--fg-1); font-weight: 600; }
.ledger i { font-style: normal; color: var(--fg-4); margin: 0 12px; }

.sub { margin: 0; max-width: 46ch; font-size: 17px; line-height: 1.78; color: var(--fg-3); }
.sub q { display: inline-block; margin-top: 10px; color: var(--fg-2); font-style: italic; }
.sub q::before { content: "\201C"; } .sub q::after { content: "\201D"; }

.cta-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 36px; }
.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--ant); color: #1a0d09;
  padding: 14px 28px; border-radius: 999px;
  font-family: inherit; font-size: 15px; font-weight: 800; letter-spacing: -0.01em;
  transition: filter 150ms var(--ease-ui), transform 50ms var(--ease-ui);
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: scale(0.95); }
.btn:focus-visible { outline: 2px solid var(--ant); outline-offset: 3px; }
.btn[disabled] { opacity: 0.45; cursor: default; transform: none; filter: none; }
.cta-note { font-size: 13.5px; color: var(--fg-4); }

/* ===== 보드 ===== */
.board {
  position: relative;
  background: var(--bg-1); border: 1px solid var(--hair);
  border-radius: 14px; padding: 26px 24px 24px;
}
.board-lab {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-4); margin: 0 0 18px;
}
.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.item {
  position: relative;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 14px;
  padding: 11px 12px; border-radius: 8px;
  font-size: 14.5px; line-height: 1.4; color: var(--fg-2);
  opacity: 0; filter: blur(10px); transform: translateY(14px);
  transition:
    opacity 700ms var(--ease), filter 700ms var(--ease),
    transform 700ms var(--ease), color 500ms var(--ease-ui);
  transition-delay: var(--in, 0ms);
}
.run .item { opacity: 1; filter: blur(0); transform: none; }

.item .label { position: relative; display: inline; }
.item .label::after {
  content: ""; position: absolute; left: -2px; top: 52%;
  height: 1px; width: 0; background: var(--fg-4);
  transition: width 420ms var(--ease); transition-delay: var(--cut, 0ms);
}
.run .item[data-cut] .label::after { width: calc(100% + 4px); }
.run .item[data-cut] {
  color: var(--fg-4);
  transition-delay: var(--in, 0ms), var(--in, 0ms), var(--in, 0ms), var(--cut, 0ms);
}

.item[data-keep] { border: 1px solid transparent; }
.run .item[data-keep] {
  background: var(--bg-2); border-color: var(--hair-2); color: var(--fg-1);
  transition-delay: var(--in, 0ms), var(--in, 0ms), var(--in, 0ms), var(--keep, 0ms);
}
.reason {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
  color: var(--ant); background: var(--ant-dim);
  padding: 3px 8px; border-radius: 4px; white-space: nowrap;
  opacity: 0; transform: translateX(-6px);
  transition: opacity 500ms var(--ease), transform 500ms var(--ease);
  transition-delay: var(--keep, 0ms);
}
.run .item[data-keep] .reason { opacity: 1; transform: none; }

.board-foot {
  margin: 20px 0 0; padding-top: 16px; border-top: 1px solid var(--hair);
  font-size: 13px; color: var(--fg-3);
  opacity: 0; transition: opacity 600ms var(--ease); transition-delay: 4600ms;
}
.run .board-foot { opacity: 1; }
.board-foot b { color: var(--ant); font-weight: 600; }

/* 진입 리빌 */
.line { display: block; overflow: hidden; }
.line .inner {
  display: block;
  opacity: 0; filter: blur(10px); transform: translateY(20%);
  transition: opacity 1000ms var(--ease), filter 1000ms var(--ease), transform 1000ms var(--ease);
  transition-delay: var(--d, 0ms);
}
.run .line .inner { opacity: 1; filter: blur(0); transform: none; }

.fade {
  opacity: 0; transform: translateY(16px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
  transition-delay: var(--d, 0ms);
}
.run .fade, .on.fade { opacity: 1; transform: none; }

/* ===== 섹션 ===== */
.sec { padding: 104px 0; border-top: 1px solid var(--hair); }
.sec-lab {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ant); margin: 0 0 20px;
}
h2 {
  margin: 0 0 22px;
  font-size: clamp(27px, 3.8vw, 42px);
  font-weight: 800; letter-spacing: -0.035em; line-height: 1.18;
  text-wrap: balance;
}
.lead { margin: 0; max-width: 54ch; font-size: 17px; line-height: 1.8; color: var(--fg-3); }
.lead b { color: var(--fg-1); font-weight: 600; }

.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 48px; }
.rule {
  background: var(--bg-1); border: 1px solid var(--hair);
  border-radius: 12px; padding: 26px 24px;
}
.rule .n {
  display: block; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; color: var(--ant); margin-bottom: 14px;
}
.rule h3 { margin: 0 0 10px; font-size: 19px; font-weight: 800; letter-spacing: -0.025em; }
.rule p { margin: 0; font-size: 15px; line-height: 1.7; color: var(--fg-3); }

.close { margin: 48px 0 0; font-size: 19px; line-height: 1.8; color: var(--fg-1); max-width: 54ch; }
.close b { color: var(--ant); font-weight: 700; }

/* ===== 폼 ===== */
.form { max-width: 640px; margin-top: 44px; display: flex; flex-direction: column; gap: 26px; }
.q { display: flex; flex-direction: column; gap: 10px; }
.q > label {
  font-size: 15.5px; font-weight: 600; color: var(--fg-2);
  display: flex; align-items: baseline; gap: 10px;
}
.q > label span {
  font-family: var(--mono); font-size: 11px; color: var(--ant);
}
.q input[type="text"], .q input[type="email"] {
  width: 100%; padding: 14px 16px;
  background: var(--bg-1); border: 1px solid var(--hair); border-radius: 10px;
  color: var(--fg-1); font-family: inherit; font-size: 15.5px;
  transition: border-color 150ms var(--ease-ui);
}
.q input::placeholder { color: var(--fg-4); }
.q input:focus { outline: none; border-color: var(--ant); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label {
  cursor: pointer; font-size: 14.5px;
  padding: 9px 15px; border-radius: 999px;
  background: var(--bg-1); border: 1px solid var(--hair); color: var(--fg-2);
  transition: border-color 150ms var(--ease-ui), color 150ms var(--ease-ui), background 150ms var(--ease-ui);
}
.chips label:hover { border-color: var(--hair-2); }
.chips label:active { transform: scale(0.97); }
.chips input { position: absolute; opacity: 0; width: 0; height: 0; }
.chips input:checked + span { color: var(--ant); }
.chips label:has(input:checked) { border-color: var(--ant); background: var(--ant-dim); color: var(--fg-1); }
.chips input:focus-visible + span { outline: 2px solid var(--ant); outline-offset: 4px; }

.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 4px; }
.form-note { font-size: 13px; color: var(--fg-4); max-width: 46ch; line-height: 1.6; }
.form-msg { font-size: 14.5px; color: var(--ant); min-height: 1.4em; }

.done {
  max-width: 640px; margin-top: 44px;
  background: var(--bg-1); border: 1px solid var(--ant);
  border-radius: 14px; padding: 34px 30px;
  animation: pop 600ms var(--ease) both;
}
@keyframes pop { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.done h3 { margin: 0 0 12px; font-size: 25px; font-weight: 800; letter-spacing: -0.03em; }
.done p { margin: 0; font-size: 16px; line-height: 1.75; color: var(--fg-3); }
.done p + p { margin-top: 12px; }

/* ===== 푸터 ===== */
.footer { padding: 64px 0 88px; border-top: 1px solid var(--hair); }
.footer p { margin: 0 0 8px; font-size: 14px; color: var(--fg-3); }
.footer .small { font-size: 13px; color: var(--fg-4); }
.footer a { color: var(--ant); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .line .inner, .fade, .item, .reason, .board-foot, .done {
    filter: none !important; transform: none !important;
    transition: opacity 200ms linear !important; transition-delay: 0ms !important;
    animation: none !important; opacity: 1 !important;
  }
  .run .item[data-cut] .label::after { transition: none; }
}

@media (max-width: 700px) {
  .hero { padding: 108px 0 76px; }
  .sec { padding: 76px 0; }
}