/* 수가 홈페이지 — 한 장짜리. 위는 시작 화면 영상(넓은 화면에선 오른쪽 아래 어두운 물 위에 로고), 아래는 소개 네 칸.
   색은 게임 ink_ui.gd 와 같다: 먹·숯 바탕, 잿빛 글, 한지 제목, 잿불 주황은 도장 하나에만. 늘 어두운 한 가지 모습. */
:root {
  --ink: #120f0e;
  --char: #1a1716;
  --ash: #736b61;
  --ash-hi: #b8b0a1;
  --paper: #ded1b5;
  --ember: #ff8c2e;
  --ember-deep: #5c1a0d;
  --serif: "Nanum Myeongjo", "AppleMyungjo", "Noto Serif KR", "Batang", serif;
  --sans: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--ink); }
body {
  margin: 0;
  background: var(--ink);
  color: var(--ash-hi);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-text-size-adjust: 100%;
}
img, video { max-width: 100%; display: block; }

/* 영상 */
.hero { position: relative; }
.hero-media { position: relative; background: var(--char); }
.hero-media video {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 72vh;
  object-fit: cover;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 55%, var(--ink));
  pointer-events: none;
}
.vid-toggle {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: var(--gutter-r);
  font: 13px/1 var(--sans);
  color: var(--ash-hi);
  background: color-mix(in srgb, var(--ink) 70%, transparent);
  border: 1px solid var(--ash);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
}
.vid-toggle:hover { color: var(--paper); border-color: var(--ash-hi); }
.vid-toggle:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

.hero-copy {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
  padding-block: 4px 8px;
  margin-top: -12%;
  position: relative;
  z-index: 1;
}
.hero-copy h1 { margin: 0; }
.hero-copy h1 img { width: min(300px, 64vw); height: auto; }
.name {
  margin: 0;
  font-family: var(--serif);
  color: var(--ash-hi);
  letter-spacing: 0.08em;
  font-size: 15px;
}
.tagline {
  margin: 0;
  font-family: var(--serif);
  color: var(--paper);
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.5;
  text-wrap: balance;
  max-width: 24em;
}
.status {
  margin: 6px 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ash-hi);
}
/* 잿불 도장 — 페이지에서 주황은 여기 하나 */
.seal {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--ember);
  border: 1.5px solid var(--ember);
  border-radius: 3px;
  padding: 1px 6px;
  box-shadow: 0 0 10px color-mix(in srgb, var(--ember) 35%, transparent);
}

/* 넓은 화면: 글을 영상 오른쪽 아래(어두운 물) 위에 */
@media (min-width: 860px) {
  .hero-copy {
    position: absolute;
    right: 0;
    bottom: 0;
    margin: 0;
    max-width: 560px;
    padding-block: 0 clamp(24px, 4vw, 56px);
    padding-right: max(40px, env(safe-area-inset-right, 0px));
    justify-items: end;
    text-align: right;
  }
  .hero-copy h1 img { width: min(380px, 30vw); }
}

/* 소개 */
main {
  max-width: 1040px;
  margin: 0 auto;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
  padding-block: 40px 24px;
  display: grid;
  gap: 48px;
}
.lede {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.8;
  color: var(--paper);
  max-width: 34em;
  text-wrap: balance;
}
/* 게임 화면 영상 */
.play { display: grid; gap: 12px; min-width: 0; }
.play h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  color: var(--paper);
}
.play video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--char);
  border: 1px solid color-mix(in srgb, var(--ash) 45%, transparent);
  border-radius: 4px;
}
.caption { margin: 0; font-size: 14px; color: var(--ash); }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 36px 48px;
}
.features article {
  min-width: 0;
  border-top: 1px solid color-mix(in srgb, var(--ash) 55%, transparent);
  padding-top: 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  align-items: start;
}
.mark {
  grid-row: span 2;
  margin: 0;
  font-family: var(--serif);
  font-size: 40px;
  line-height: 1;
  color: var(--ash);
}
.features h2 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
  text-wrap: balance;
}
.features p { margin: 0; max-width: 34em; }
.features b { color: var(--paper); font-weight: 600; }

footer {
  max-width: 1040px;
  margin: 0 auto;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
  padding-block: 24px 48px;
  font-size: 14px;
  color: var(--ash);
  border-top: 1px solid var(--char);
}
footer p { margin: 0 0 4px; max-width: 40em; }
footer a { color: var(--ash-hi); }

/* 404 */
.lost {
  min-height: 60vh;
  display: grid;
  place-content: center;
  gap: 12px;
  text-align: center;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
  padding-block: 48px;
}
.lost h1 { margin: 0; font-family: var(--serif); color: var(--paper); font-size: 24px; }
.lost a { color: var(--ash-hi); }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}