/* oddstring.com：顏色、字型照品牌規格（README.md〈三、顏色〉〈四、字型〉）。紅只給朱印和異弦，網站上不用紅。 */
:root {
  --ink: #181513;
  --paper: #F2EADD;
  --night: #0B0A09;
  --serif-zh: "Noto Serif TC", "Source Han Serif TC", "Songti TC", serif;
  --serif-en: "Cormorant Garamond", "Noto Serif TC", serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  background: var(--paper) url("/splash/assets/paper.webp") center / cover no-repeat;
  color: var(--ink);
  font-family: var(--serif-zh);
  -webkit-font-smoothing: antialiased;
}

:focus-visible { outline: 1px solid currentColor; outline-offset: 5px; }

.site {
  display: grid;
  place-items: center;
  align-content: center;
  gap: clamp(16px, 4vh, 36px);
  padding: clamp(32px, 8vh, 96px) 16px 24px;
}

.lockup { width: min(880px, 100%); margin: 0; line-height: 0; }
.lockup img { display: block; width: 100%; height: auto; }

.link {
  font: inherit;
  font-size: 15px;
  letter-spacing: .2em;
  color: inherit;
  background: none;
  border: 0;
  padding: 10px 6px;
  cursor: pointer;
  opacity: .6;
  transition: opacity .2s;
}
.link:hover, .link:focus-visible { opacity: 1; }

.foot {
  padding: 16px 16px 28px;
  text-align: center;
  font-size: 13px;
  letter-spacing: .12em;
  opacity: .55;
}

/* 第一次來的進入畫面（深色底上的字用宣紙色） */
.gate { display: none; }
.gated .gate {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 16px;
  padding: 24px 16px;
  background: var(--night);
  color: var(--paper);
  text-align: center;
}
.gated .site, .gated .foot { visibility: hidden; }

.gate-seal { width: 72px; height: 72px; }
.gate-name {
  margin: 0;
  display: grid;
  gap: 10px;
  font-size: 22px;
  letter-spacing: .5em;
  text-indent: .5em;
}
.gate-name span {
  font-family: var(--serif-en);
  font-size: 16px;
  letter-spacing: .35em;
  text-indent: .35em;
  opacity: .7;
}
.btn {
  margin-top: 20px;
  padding: 15px 30px 15px 34px;
  font: 500 17px/1 var(--serif-zh);
  letter-spacing: .3em;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgb(242 234 221 / .45);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .2s, background-color .2s;
}
.btn:hover, .btn:focus-visible { border-color: var(--paper); background: rgb(242 234 221 / .06); }
.gate-note { margin: 0; font-size: 13px; letter-spacing: .1em; opacity: .5; }
.gate .link { font-size: 13px; }

/* 開頭動畫演完：網站從黑淡進來 */
.veil {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .9s ease-out;
}
.veil.on { opacity: 1; transition: none; }

/* 404 */
.lost h1 { margin: 0; font-size: 22px; font-weight: 500; letter-spacing: .3em; text-indent: .3em; }
.lost p { margin: 0; letter-spacing: .15em; }
.lost a { color: inherit; text-underline-offset: 6px; }

@media (prefers-reduced-motion: reduce) {
  .veil { transition-duration: .2s; }
}