/* ============================================================
   Reunion Press 團圓書房
   Tokens sampled from the books themselves:
   cream/ink/vermilion/gold = brand constants
   jade = sampled from Yuan-Yuan's potty on the cover (#96B99C)
   ============================================================ */
:root{
  --cream:#FAF3E3;
  --paper:#FFFCF4;
  --ink:#4A2E1E;
  --ink-70:rgba(74,46,30,.72);
  --ink-50:rgba(74,46,30,.52);
  --ink-15:rgba(74,46,30,.15);
  --vermilion:#C0392B;
  --gold:#E8C77A;
  --jade:#96B99C;

  --display:"Quicksand",system-ui,sans-serif;
  --body:"Nunito",system-ui,sans-serif;
  --han:"Huninn","jf-openhuninn","PingFang TC","Microsoft JhengHei",sans-serif;

  --wrap:1080px;
  --gutter:clamp(1.25rem,5vw,3rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--body);
  font-size:1.02rem;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}

/* ---------- trilingual stack : the signature ---------- */
/* Every heading on this site is set the way a page of the book is set:
   Traditional Chinese, then pinyin, then English. The site demonstrates
   the product in its own typography. */
.tri{display:block}
.tri .han{
  display:block;font-family:var(--han);font-weight:400;
  letter-spacing:.02em;line-height:1.3;color:var(--ink);
}
.tri .py{
  display:block;font-family:var(--body);font-style:italic;
  font-weight:400;color:var(--ink-50);line-height:1.45;
  letter-spacing:.01em;margin-top:.15em;
}
.tri .en{
  display:block;font-family:var(--display);font-weight:700;
  color:var(--ink);line-height:1.2;letter-spacing:-.015em;margin-top:.22em;
}
/* scales */
.tri-hero .han{font-size:clamp(1.9rem,5.4vw,3.1rem)}
.tri-hero .py {font-size:clamp(.86rem,1.9vw,1.02rem)}
.tri-hero .en {font-size:clamp(1.55rem,4.4vw,2.6rem)}
.tri-sec .han{font-size:clamp(1.25rem,3vw,1.6rem)}
.tri-sec .py {font-size:clamp(.76rem,1.5vw,.84rem)}
.tri-sec .en {font-size:clamp(1.15rem,2.6vw,1.5rem)}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:20;
  background:rgba(250,243,227,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ink-15);
}
.head-in{
  max-width:var(--wrap);margin-inline:auto;padding:.7rem var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.brand{display:flex;align-items:center;gap:.62rem;text-decoration:none}
.brand img{height:42px;width:auto;flex:0 0 auto}
.brand-name{display:flex;flex-direction:column;justify-content:center}
.brand-han{
  font-family:var(--han);font-weight:400;font-size:1.02rem;
  line-height:1.15;letter-spacing:.1em;color:var(--ink);
}
.brand-en{
  font-family:var(--display);font-weight:600;font-size:.58rem;
  line-height:1.3;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-50);margin-top:.12em;
}
.brand-foot img{height:58px}
.brand-foot .brand-han{font-size:1.18rem}
.brand-foot .brand-en{font-size:.62rem}
.nav{display:flex;align-items:center;gap:clamp(.85rem,2.4vw,1.6rem)}
.nav a{
  font-family:var(--display);font-weight:600;font-size:.92rem;
  text-decoration:none;color:var(--ink-70);padding:.2rem 0;
  border-bottom:2px solid transparent;transition:color .18s,border-color .18s;
}
.nav a:hover,.nav a:focus-visible{color:var(--ink);border-bottom-color:var(--gold)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--vermilion)}
.nav .han-link{font-family:var(--han);font-weight:400}

/* ---------- hero ---------- */
.hero{padding:clamp(2.6rem,7vw,5rem) 0 clamp(2rem,5vw,3.4rem)}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;
  gap:clamp(1.8rem,5vw,3.4rem);align-items:center;
}
.hero-art{position:relative}
.hero-art img{
  border-radius:14px;
  box-shadow:0 2px 4px rgba(74,46,30,.07),0 18px 40px -12px rgba(74,46,30,.28);
}
.lede{
  margin:1.35rem 0 0;max-width:34ch;font-size:1.07rem;color:var(--ink-70);
}
.hero .lede{margin-top:1.5rem}

/* ---------- buttons ---------- */
.actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.6rem}
.btn{
  display:inline-block;font-family:var(--display);font-weight:700;
  font-size:.95rem;letter-spacing:.005em;text-decoration:none;
  padding:.72rem 1.4rem;border-radius:999px;border:2px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s;
}
.btn-primary{background:var(--vermilion);color:#fff;box-shadow:0 6px 16px -6px rgba(192,57,43,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 22px -8px rgba(192,57,43,.62)}
.btn-ghost{border-color:var(--ink-15);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* ---------- divider : the imprint mark itself (full moon + auspicious cloud),
     flanked by hairlines. Not decoration — it is the publisher signing each break. */
.rule{
  display:flex;align-items:center;justify-content:center;
  gap:clamp(12px,3vw,20px);
  margin:clamp(2.6rem,7vw,4.4rem) auto;
  padding-inline:var(--gutter);
}
.rule span{height:1px;background:var(--ink-15);flex:0 1 clamp(56px,17vw,150px)}
.rule img{height:34px;width:auto;opacity:.85;flex:0 0 auto}

/* ---------- sections ---------- */
.sec{padding-block:clamp(.5rem,2vw,1rem)}
.sec-head{margin-bottom:1.7rem}
.sec-note{max-width:60ch;color:var(--ink-70);margin:.9rem 0 0}

.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(1.6rem,4.5vw,3rem);align-items:center}
.split.flip{grid-template-columns:1.1fr .9fr}
.split img{border-radius:12px;box-shadow:0 14px 30px -14px rgba(74,46,30,.3)}

/* ---------- spread gallery ---------- */
.spreads{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1rem;margin-top:1.6rem}
.spreads img{border-radius:12px;box-shadow:0 10px 24px -14px rgba(74,46,30,.35)}
.spread-wide{margin-top:1rem}
.spread-wide img{border-radius:12px;box-shadow:0 14px 32px -16px rgba(74,46,30,.35)}

/* ---------- facts ---------- */
.facts{
  list-style:none;padding:0;margin:1.6rem 0 0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;
  background:var(--ink-15);border:1px solid var(--ink-15);border-radius:12px;overflow:hidden;
}
.facts li{background:var(--paper);padding:1rem 1.1rem}
.facts dt{font-family:var(--display);font-weight:700;font-size:.74rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-50)}
.facts dd{margin:.28rem 0 0;font-size:1rem;font-weight:600}

/* ---------- signup ---------- */
.signup{
  background:var(--paper);border:1px solid var(--ink-15);border-radius:18px;
  padding:clamp(1.5rem,4vw,2.6rem);
}
.signup-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(1.4rem,4vw,2.6rem);align-items:center}
.signup img{border-radius:10px}
.kit-slot{margin-top:1.2rem}

/* ---------- about ---------- */
.prose{max-width:62ch}
.prose p{margin:0 0 1.15rem}
.prose p:last-child{margin-bottom:0}
.pull{
  font-family:var(--display);font-weight:700;
  font-size:clamp(1.15rem,2.8vw,1.45rem);line-height:1.45;
  color:var(--ink);border-left:3px solid var(--gold);
  padding-left:1.1rem;margin:1.8rem 0;
}
.portrait{border-radius:14px;box-shadow:0 16px 34px -16px rgba(74,46,30,.35)}

/* ---------- zh page ---------- */
.zh-body{font-family:var(--han);line-height:1.95;letter-spacing:.01em}
.zh-body p{margin:0 0 1.2rem}

/* ---------- footer ---------- */
.site-foot{
  margin-top:clamp(3rem,8vw,5.5rem);
  border-top:1px solid var(--ink-15);
  padding-block:2.2rem 2.6rem;
}
.foot-in{
  max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter);
  display:flex;flex-wrap:wrap;gap:1.4rem 2.4rem;align-items:flex-start;justify-content:space-between;
}

.foot-links{display:flex;flex-wrap:wrap;gap:.5rem 1.3rem;font-size:.9rem}
.foot-links a{color:var(--ink-70);text-decoration:none;border-bottom:1px solid transparent}
.foot-links a:hover{color:var(--ink);border-bottom-color:var(--gold)}
.foot-fine{width:100%;font-size:.82rem;color:var(--ink-50);margin:0}

/* ---------- entrance : the three lines arrive the way you read them ---------- */
.rise{opacity:0;transform:translateY(14px);animation:rise .62s cubic-bezier(.2,.7,.3,1) forwards}
.rise-1{animation-delay:.05s}
.rise-2{animation-delay:.19s}
.rise-3{animation-delay:.33s}
.rise-4{animation-delay:.47s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .rise{animation:none;opacity:1;transform:none}
  .btn:hover,.btn-ghost:hover{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:820px){
  .hero-grid,.split,.split.flip,.signup-grid{grid-template-columns:1fr}
  .hero-art{order:-1;max-width:340px;margin-inline:auto}
  .split img{max-width:420px;margin-inline:auto}
  .signup img{max-width:280px;margin-inline:auto}
}
@media (max-width:520px){
  .brand img{height:34px}
  .brand-han{font-size:.9rem;letter-spacing:.06em}
  .brand-en{font-size:.5rem;letter-spacing:.16em}
  .nav{gap:.8rem}
  .nav a{font-size:.86rem}
  .actions .btn{flex:1 1 100%;text-align:center}
}


/* ---------- Kit signup form (mechanics from Kit, styling from this site) ------ */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.kit-form{margin:0}
.kit-fields{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.2rem}
.kit-input{
  flex:1 1 220px;min-width:0;
  font-family:var(--body);font-size:1rem;color:var(--ink);
  background:#fff;border:1.5px solid var(--ink-15);border-radius:999px;
  padding:.72rem 1.15rem;line-height:1.4;
  transition:border-color .18s ease;
}
.kit-input::placeholder{color:var(--ink-50)}
.kit-input:focus{outline:3px solid var(--gold);outline-offset:2px;border-color:var(--ink)}
.kit-submit{
  flex:0 0 auto;cursor:pointer;
  font-family:var(--display);font-weight:700;font-size:.95rem;
  background:var(--vermilion);color:#fff;
  border:0;border-radius:999px;padding:.72rem 1.4rem;
  box-shadow:0 6px 16px -6px rgba(192,57,43,.6);
  transition:transform .16s ease,box-shadow .16s ease;
}
.kit-submit:hover{transform:translateY(-2px);box-shadow:0 10px 22px -8px rgba(192,57,43,.62)}
.kit-submit:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.kit-form .formkit-spinner{display:none}
.kit-form .formkit-alert{
  list-style:none;margin:0 0 .8rem;padding:.7rem 1rem;
  border-radius:10px;font-size:.92rem;
  background:#FDECE8;border:1px solid var(--vermilion);color:var(--vermilion);
}
.kit-form .formkit-alert:empty{display:none;padding:0;border:0;margin:0}
@media (prefers-reduced-motion:reduce){.kit-submit:hover{transform:none}}
@media (max-width:520px){.kit-submit{flex:1 1 100%}}