/* ==========================================================
   Alvin Lu's Management — gedeelde stijl / 共用樣式
   ========================================================== */

:root{
  --ink:#17211E;
  --paper:#FCFBF8;
  --rule:#DAD7CE;
  --rule-soft:#EAE8E1;
  --sea:#1B5B54;
  --brass:#9A7433;
  --mute:#6E7672;

  --lat-display:'Archivo',system-ui,sans-serif;
  --lat-body:'Source Serif 4',Georgia,serif;
  --cjk-display:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;
  --cjk-body:'Noto Serif TC','PingFang TC',serif;

  --gap:clamp(1.5rem,4vw,3rem);
  --pad:clamp(1.25rem,5vw,4.5rem);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--lat-body);
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 var(--pad)}

.tag{
  font-family:var(--lat-display);
  font-size:.66rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--mute);
}

/* ---------- masthead + nav ---------- */
.mast{border-bottom:1px solid var(--rule)}
.mast .wrap{
  display:flex;justify-content:space-between;align-items:baseline;
  gap:1rem;padding-top:1.1rem;padding-bottom:1.1rem;flex-wrap:wrap;
}
.mark{font-family:var(--lat-display);font-weight:700;font-size:.95rem;letter-spacing:.02em;
  color:var(--ink);text-decoration:none}
.mark span{color:var(--sea)}

.nav{border-bottom:1px solid var(--rule);background:var(--paper);
  position:sticky;top:0;z-index:20}
.nav ul{list-style:none;display:flex;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.nav li{flex:0 0 auto}
.nav a{
  display:block;padding:.75rem 0;margin-right:1.6rem;
  font-family:var(--lat-display);font-size:.78rem;font-weight:500;
  color:var(--mute);text-decoration:none;white-space:nowrap;
  border-bottom:2px solid transparent;
}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--sea);font-weight:600}

/* ---------- page head ---------- */
.phead{padding-top:clamp(2.5rem,7vw,4.5rem);padding-bottom:clamp(1.5rem,4vw,2.5rem)}
.phead .tag{display:block;margin-bottom:1rem}
.phead h1{
  font-family:var(--cjk-display);font-weight:700;
  font-size:clamp(1.7rem,4.8vw,2.7rem);line-height:1.3;
}
.phead h2{
  font-family:var(--lat-display);font-weight:600;
  font-size:clamp(1.15rem,2.9vw,1.65rem);line-height:1.25;
  letter-spacing:-.015em;color:var(--sea);margin-top:.5rem;
}
.phead .meta{margin-top:1rem;font-family:var(--lat-display);font-size:.85rem;color:var(--mute)}

/* ---------- hero (home) ---------- */
.hero{padding-top:clamp(3rem,9vw,5.5rem);padding-bottom:clamp(2rem,5vw,3.5rem)}
.hero .tag{display:block;margin-bottom:clamp(1.5rem,4vw,2.5rem)}
.hero-pair{display:grid;grid-template-columns:1fr;gap:1.5rem}
.hero-zh h1{font-family:var(--cjk-display);font-weight:700;
  font-size:clamp(1.85rem,5.4vw,3.15rem);line-height:1.28;letter-spacing:.01em}
.hero-nl h2{font-family:var(--lat-display);font-weight:600;
  font-size:clamp(1.35rem,3.4vw,2.1rem);line-height:1.2;letter-spacing:-.015em;color:var(--sea)}
.hero p{margin-top:.85rem;max-width:34em;color:var(--mute)}
.hero-zh p{font-family:var(--cjk-body)}

/* ---------- credential strip ---------- */
.creds{margin-top:clamp(2.5rem,6vw,4rem);
  border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);
  display:grid;grid-template-columns:1fr}
.cred{padding:1.15rem 0;border-bottom:1px solid var(--rule-soft)}
.cred:last-child{border-bottom:0}
.cred .tag{display:block;margin-bottom:.3rem}
.cred b{font-family:var(--lat-display);font-weight:600;
  font-size:clamp(1.1rem,2.6vw,1.45rem);letter-spacing:.01em;display:block}
.cred.is-seal b{color:var(--brass)}

/* ---------- bilingual register ---------- */
.reg{padding-bottom:clamp(3rem,8vw,5rem)}
.row{border-top:1px solid var(--rule);padding-top:1.6rem;
  padding-bottom:clamp(1.8rem,4vw,2.8rem);
  display:grid;grid-template-columns:1fr;gap:1.4rem}
.row:first-of-type{border-top:2px solid var(--ink)}
.col-zh h3{font-family:var(--cjk-display);font-weight:700;font-size:1.12rem;margin-bottom:.55rem}
.col-zh{font-family:var(--cjk-body)}
.col-nl h3{font-family:var(--lat-display);font-weight:600;font-size:.95rem;
  letter-spacing:.01em;color:var(--sea);margin-bottom:.55rem}
.row p+p{margin-top:.7rem}

.svc{list-style:none;margin-top:.4rem}
.svc li{padding:.5rem 0;border-bottom:1px solid var(--rule-soft);
  display:flex;justify-content:space-between;gap:1rem;align-items:baseline}
.svc li:last-child{border-bottom:0}
.svc .zh{font-family:var(--cjk-body)}
.svc .nl{font-family:var(--lat-display);font-size:.8rem;color:var(--mute);text-align:right}

/* ---------- itinerary ---------- */
.days{padding-bottom:clamp(3rem,8vw,5rem);border-top:2px solid var(--ink)}
.day{border-bottom:1px solid var(--rule);padding:1.5rem 0 1.9rem;
  display:grid;grid-template-columns:1fr;gap:.9rem}
.day-no{display:flex;align-items:baseline;gap:.7rem;flex-wrap:wrap}
.day-no b{font-family:var(--lat-display);font-weight:700;
  font-size:clamp(1.6rem,4vw,2.2rem);line-height:1;color:var(--brass)}
.day-no .when{font-family:var(--lat-display);font-size:.72rem;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--mute)}
.day-no .land{font-family:var(--lat-display);font-size:.72rem;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--sea);
  border:1px solid var(--rule);padding:.15rem .5rem}
.day h3{font-family:var(--lat-display);font-weight:600;
  font-size:clamp(1.05rem,2.5vw,1.35rem);letter-spacing:-.01em;margin-bottom:.15rem}
.day .zh-title{font-family:var(--cjk-display);font-weight:700;font-size:1rem;color:var(--sea)}
.day p{margin-top:.6rem;color:var(--mute);max-width:44em}
.day p.zh{font-family:var(--cjk-body)}
.incl{list-style:none;margin-top:.85rem;display:flex;flex-wrap:wrap;gap:.4rem}
.incl li{font-family:var(--lat-display);font-size:.76rem;
  border:1px solid var(--rule);padding:.25rem .55rem;color:var(--ink)}
.incl li.t{border-color:var(--sea);color:var(--sea)}
.incl li.o{border-style:dashed;color:var(--mute)}

.legend{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  padding:1.1rem 0;margin-bottom:.5rem;display:flex;flex-wrap:wrap;gap:1.2rem}
.legend span{font-family:var(--lat-display);font-size:.76rem;color:var(--mute)}
.legend i{font-style:normal;border:1px solid var(--rule);padding:.1rem .4rem;margin-right:.4rem}
.legend i.t{border-color:var(--sea);color:var(--sea)}
.legend i.o{border-style:dashed}

/* ---------- category cards (voorbereiding) ---------- */
.cats{display:grid;grid-template-columns:1fr;gap:0;
  border-top:2px solid var(--ink);padding-bottom:clamp(3rem,8vw,5rem)}
.cat{border-bottom:1px solid var(--rule);padding:1.4rem 0 1.6rem}
.cat .tag{display:block;margin-bottom:.15rem}
.cat h3{font-family:var(--cjk-display);font-weight:700;font-size:1.1rem;margin-bottom:.7rem}
.cat ul{list-style:none}
.cat li{padding:.42rem 0;border-bottom:1px solid var(--rule-soft);
  font-family:var(--cjk-body);font-size:.95rem}
.cat li:last-child{border-bottom:0}
.cat li em{font-style:normal;font-family:var(--lat-display);font-size:.78rem;
  color:var(--mute);display:block;margin-top:.1rem}

/* ---------- price table ---------- */
.price{border-top:2px solid var(--ink);border-bottom:1px solid var(--rule);
  display:grid;grid-template-columns:1fr;margin-bottom:clamp(2rem,5vw,3rem)}
.price div{padding:1.2rem 0;border-bottom:1px solid var(--rule-soft)}
.price div:last-child{border-bottom:0}
.price .tag{display:block;margin-bottom:.25rem}
.price b{font-family:var(--lat-display);font-weight:600;
  font-size:clamp(1.35rem,3.4vw,1.9rem);display:block;letter-spacing:.01em}
.price .sub{font-family:var(--lat-display);font-size:.8rem;color:var(--mute);margin-top:.2rem}
.price .total b{color:var(--brass)}

/* ---------- generic sections ---------- */
.sec{border-top:1px solid var(--rule);padding:1.6rem 0 2.2rem}
.sec:first-of-type{border-top:2px solid var(--ink)}
.sec h3{font-family:var(--cjk-display);font-weight:700;font-size:1.15rem;margin-bottom:.2rem}
.sec h4{font-family:var(--lat-display);font-weight:600;font-size:.9rem;
  color:var(--sea);margin-bottom:.9rem}
.sec ul{list-style:none;margin-top:.5rem}
.sec li{padding:.5rem 0;border-bottom:1px solid var(--rule-soft);
  font-family:var(--cjk-body);font-size:.95rem}
.sec li:last-child{border-bottom:0}
.sec li em{font-style:normal;font-family:var(--lat-display);font-size:.78rem;
  color:var(--mute);display:block;margin-top:.12rem}
.sec p{margin-top:.6rem;color:var(--mute)}
.sec p.zh{font-family:var(--cjk-body)}

.callout{border:1px solid var(--brass);padding:1rem 1.1rem;margin-top:1rem}
.callout p{margin:0;color:var(--ink);font-size:.9rem}
.callout p.zh{font-family:var(--cjk-body)}
.callout p+p{margin-top:.5rem}

/* ---------- dark data block ---------- */
.data{background:var(--ink);color:var(--paper);padding:clamp(2.25rem,6vw,3.5rem) 0}
.data .tag{color:rgba(252,251,248,.55)}
.data h3{font-family:var(--lat-display);font-weight:600;font-size:1.15rem;margin:.5rem 0 1.6rem}
.data dl{display:grid;grid-template-columns:1fr;border-top:1px solid rgba(252,251,248,.22)}
.data .item{padding:.85rem 0;border-bottom:1px solid rgba(252,251,248,.12)}
.data dt{font-family:var(--lat-display);font-size:.68rem;font-weight:500;
  letter-spacing:.13em;text-transform:uppercase;color:rgba(252,251,248,.55);margin-bottom:.2rem}
.data dd{font-family:var(--lat-display);font-size:1rem;font-weight:500}
.data a{color:var(--paper);text-decoration:none;border-bottom:1px solid rgba(252,251,248,.35)}
.data a:hover{border-bottom-color:var(--paper)}

/* ---------- contact ---------- */
.contact{padding:clamp(2.75rem,7vw,4.5rem) 0}
.contact h3{font-family:var(--cjk-display);font-weight:700;
  font-size:clamp(1.3rem,3.2vw,1.8rem);margin:.6rem 0 .4rem}
.contact .sub{font-family:var(--lat-display);color:var(--sea);font-weight:600;margin-bottom:1.5rem}
.links{display:flex;flex-wrap:wrap;gap:.6rem}
.btn{font-family:var(--lat-display);font-weight:600;font-size:.9rem;
  text-decoration:none;color:var(--ink);border:1px solid var(--ink);
  padding:.7rem 1.15rem;transition:background .18s ease,color .18s ease}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn.pri{background:var(--sea);border-color:var(--sea);color:var(--paper)}
.btn.pri:hover{background:var(--ink);border-color:var(--ink)}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--rule);padding:1.5rem 0 2.5rem}
footer p{font-family:var(--lat-display);font-size:.72rem;color:var(--mute);line-height:1.7}
footer a{color:var(--mute)}

/* ---------- desktop ---------- */
@media(min-width:760px){
  .hero-pair{grid-template-columns:1.15fr 1fr;gap:var(--gap);align-items:start}
  .creds{grid-template-columns:repeat(3,1fr);column-gap:var(--gap)}
  .cred{border-bottom:0}
  .row{grid-template-columns:1.15fr 1fr;gap:var(--gap)}
  .data dl{grid-template-columns:1fr 1fr;column-gap:var(--gap)}
  .day{grid-template-columns:auto 1fr;gap:var(--gap);align-items:start}
  .day-no{flex-direction:column;align-items:flex-start;gap:.35rem;min-width:9rem}
  .cats{grid-template-columns:1fr 1fr;column-gap:var(--gap)}
  .price{grid-template-columns:repeat(3,1fr);column-gap:var(--gap)}
  .price div{border-bottom:0}
}

/* ---------- motion ---------- */
.fade{opacity:0;transform:translateY(14px);animation:rise .7s cubic-bezier(.22,.68,.34,1) forwards}
.fade:nth-child(1){animation-delay:.05s}
.fade:nth-child(2){animation-delay:.16s}
.fade:nth-child(3){animation-delay:.27s}
@keyframes rise{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
  .fade{animation:none;opacity:1;transform:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}