/* ─── Variables ──────────────────────────────────────── */
:root {
  --bg:      #FDFAF6;
  --text:    #1C1814;
  --sub:     #5E5349;
  --muted:   #A09790;
  --accent:  #D87A3A;
  --acc-lt:  #E8904F;
  --acc-tk:  rgba(216, 122, 58, 0.055);
  --border:  #E4DAD0;

  --cjk:   'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono:  'IBM Plex Mono', monospace;
}

/* ─── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* ─── Body ───────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}

/* ─── Grain ──────────────────────────────────────────── */
.grain {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: 0.034;
  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='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* ─── Ambient light ──────────────────────────────────── */
.ambient {
  position: fixed;
  top: 42%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90vmax; height: 90vmax;
  background: radial-gradient(circle, rgba(216, 122, 58, 0.075) 0%, transparent 58%);
  pointer-events: none; z-index: 0;
  border-radius: 50%;
}

/* ─── Page ───────────────────────────────────────────── */
.page {
  position: relative; z-index: 1;
  width: 100%;
  max-width: 520px;
  padding: 2.75rem 2.25rem 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ─── Top bar ────────────────────────────────────────── */
.topbar {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.topbar__rule {
  display: block;
  flex: 1; height: 1px;
  background: var(--border);
  transform: scaleX(0);
  transform-origin: center;
}

.topbar__text {
  font-family: var(--mono);
  font-size: 0.595rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
}

/* ─── Hero ───────────────────────────────────────────── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 0.75rem 0 2.25rem;
}

/* ─── Character wrap ─────────────────────────────────── */
.char-wrap {
  position: relative;
  display: inline-block;
  padding: 1.6rem 2.25rem;
  margin-bottom: 1.75rem;
}

/* Warm glow behind 澄 */
.char-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 210%; height: 210%;
  background: radial-gradient(circle, rgba(216, 122, 58, 0.18) 0%, transparent 52%);
  border-radius: 50%;
  pointer-events: none; z-index: 0;
  opacity: 0;
}

/* Corner marks — L-shaped crop marks */
.corner {
  position: absolute;
  width: 13px; height: 13px;
  opacity: 0;
}
.corner--tl { top: 0; left: 0;    border-top:    1px solid var(--accent); border-left:  1px solid var(--accent); }
.corner--tr { top: 0; right: 0;   border-top:    1px solid var(--accent); border-right: 1px solid var(--accent); }
.corner--bl { bottom: 0; left: 0; border-bottom: 1px solid var(--accent); border-left:  1px solid var(--accent); }
.corner--br { bottom: 0; right: 0;border-bottom: 1px solid var(--accent); border-right: 1px solid var(--accent); }

/* The character */
.char {
  position: relative; z-index: 1;
  font-family: var(--cjk);
  font-size: clamp(8.5rem, 38vw, 19rem);
  font-weight: 300;
  line-height: 1;
  color: var(--text);
  cursor: default;
  user-select: none;
  opacity: 0;
  will-change: transform;
}

/* ─── Identity ───────────────────────────────────────── */
.ident {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  opacity: 0;
}

.ident__pinyin {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.6rem;
  color: var(--sub);
  letter-spacing: 0.04em;
}

.ident__rule {
  width: 1.5rem; height: 1px;
  background: var(--accent);
  opacity: 0.6;
}

.ident__sub {
  font-family: var(--mono);
  font-size: 0.625rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ─── Dividers ───────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
  transform: scaleX(0);
  transform-origin: left;
}

/* ─── Links ──────────────────────────────────────────── */
.links {
  width: 100%;
  opacity: 0;
}

.link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 0.25rem 0.9rem 1.1rem;
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: color 0.22s ease, background 0.22s ease;
  border-bottom: 1px solid var(--border);
}

/* Left accent bar — grows from vertical center */
.link::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 1.5px;
  height: 0;
  background: var(--accent);
  transition: height 0.26s cubic-bezier(0.4, 0, 0.2, 1);
}

.link:hover,
.link:focus-visible {
  color: var(--accent);
  background: var(--acc-tk);
  outline: none;
}

.link:hover::before,
.link:focus-visible::before { height: calc(100% - 18px); }

.link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.link__icon {
  width: 14px; height: 14px;
  flex-shrink: 0;
  opacity: 0.42;
  transition: opacity 0.22s;
  display: flex; align-items: center;
}
.link__icon svg { width: 100%; height: 100%; display: block; }
.link:hover .link__icon,
.link:focus-visible .link__icon { opacity: 0.9; }

.link__name {
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.link__addr {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.22s;
}
.link:hover .link__addr,
.link:focus-visible .link__addr { color: var(--acc-lt); }

.link__arrow {
  flex-shrink: 0;
  opacity: 0.35;
  transition: transform 0.22s ease, opacity 0.22s ease;
  display: flex;
}
.link__arrow svg { width: 18px; height: 11px; display: block; }
.link:hover .link__arrow,
.link:focus-visible .link__arrow { transform: translateX(5px); opacity: 0.9; }

/* ─── Footer ─────────────────────────────────────────── */
.footer {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.59rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: var(--muted);
  opacity: 0;
  padding-top: 0.2rem;
}

.footer__name {
  font-family: var(--cjk);
  font-size: 0.72rem;
  opacity: 0.6;
}

.footer__sep { opacity: 0.38; }

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 420px) {
  .page { padding: 2rem 1.5rem 1.75rem; }
  .topbar { margin-bottom: 2rem; }
  .char-wrap { padding: 1.25rem 1.5rem; }
  .hero { padding-bottom: 1.75rem; }
  .link__addr { display: none; }
}

/* ─── Reduced motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .topbar__rule  { transform: none !important; }
  .topbar__text,
  .corner,
  .char-glow,
  .char,
  .ident,
  .divider,
  .links,
  .footer        { opacity: 1 !important; transform: none !important; }
  .link::before  { transition: none !important; }
  .link__arrow   { transition: none !important; }
}