/* 好宿設計工作室 — shared styles
   Layout idea: a quiet hospitality catalogue. Full-bleed misty mountains,
   thin serif display, hairline rules, square corners; brass is the only accent. */
:root{
  --paper:#E8E6E0;
  --paper-2:#DEDBD3;
  --ink:#191C1B;
  --ink-2:#4A4F4C;
  --ink-3:#757973;
  --rule:#C3BFB5;
  --brass:#87683A;
  --night:#111514;
  --night-2:#1A1F1D;
  --on-night:#ECE9E2;
  --on-night-2:#A8ABA5;
  --serif:'Noto Serif TC','Songti TC','PMingLiU',serif;
  --latin:'Cormorant Garamond','Times New Roman',serif;
  --sans:'Noto Sans TC','PingFang TC','Microsoft JhengHei',sans-serif;
  --ease:cubic-bezier(.2,.7,.1,1);
  --gutter:clamp(20px,5vw,56px);
  --nav-h:64px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#131716;--paper-2:#1A1F1D;--ink:#E6E3DC;--ink-2:#B2B4AE;--ink-3:#868A83;
    --rule:#323835;--brass:#C9A46A;color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#131716;--paper-2:#1A1F1D;--ink:#E6E3DC;--ink-2:#B2B4AE;--ink-3:#868A83;
  --rule:#323835;--brass:#C9A46A;color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:var(--nav-h)}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.85;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg,canvas{max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:300;text-wrap:balance;letter-spacing:.04em}
p{margin:0}
::selection{background:var(--brass);color:var(--paper)}
:focus-visible{outline:1px solid var(--brass);outline-offset:4px}
.wrap{max-width:1200px;margin:0 auto;padding-inline:var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.label{font-family:var(--latin);font-size:13px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-3)}
.label .no{color:var(--brass);margin-right:12px;font-style:italic;letter-spacing:.08em}
.skip{position:absolute;left:12px;top:-60px;z-index:60;background:var(--ink);color:var(--paper);padding:8px 14px;font-size:13px}
.skip:focus{top:12px}

/* grain */
.grain{pointer-events:none;position:absolute;inset:0;opacity:.32;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* progress hairline */
.progress{position:fixed;left:0;top:0;height:2px;width:100%;z-index:40;background:var(--brass);transform-origin:left;transform:scaleX(0);pointer-events:none}

/* ---------- nav ---------- */
.nav{position:fixed;left:0;right:0;top:0;z-index:30;padding-top:env(safe-area-inset-top,0px);color:var(--on-night);
  border-bottom:1px solid rgba(236,233,226,.14);transition:background .5s var(--ease),color .5s var(--ease),border-color .5s}
.nav.solid{background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--ink);border-bottom-color:var(--rule)}
.nav.light{color:var(--ink);border-bottom-color:var(--rule);background:var(--paper)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:26px;height:26px;flex:none}
.brand b{font-family:var(--serif);font-weight:500;font-size:19px;letter-spacing:.22em}
.brand span{font-family:var(--latin);font-size:12px;letter-spacing:.28em;text-transform:uppercase;opacity:.7}
.nav-links{display:flex;gap:32px;font-size:13px;letter-spacing:.16em}
.nav-links a{position:relative;padding-block:4px}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-cta{font-size:13px;letter-spacing:.16em;border:1px solid currentColor;padding:9px 18px;transition:background .4s,color .4s}
.nav-cta:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.nav:not(.solid):not(.light) .nav-cta:hover{background:var(--on-night);color:var(--night);border-color:var(--on-night)}
.menu-btn{display:none;width:44px;height:44px;margin-right:-10px;background:none;border:0;cursor:pointer;position:relative}
.menu-btn i{position:absolute;left:11px;right:11px;height:1px;background:currentColor;transition:transform .5s var(--ease),top .5s var(--ease)}
.menu-btn i:nth-child(1){top:18px}.menu-btn i:nth-child(2){top:26px}
.menu-open .menu-btn i:nth-child(1){top:22px;transform:rotate(45deg)}
.menu-open .menu-btn i:nth-child(2){top:22px;transform:rotate(-45deg)}
@media (max-width:860px){
  .nav-links,.nav .nav-cta{display:none}
  .menu-btn{display:block}
  .brand span{display:none}
}

/* mobile menu */
.menu{position:fixed;inset:0;z-index:25;background:var(--night);color:var(--on-night);
  padding:calc(var(--nav-h) + env(safe-area-inset-top,0px) + 28px) var(--gutter) calc(32px + env(safe-area-inset-bottom,0px));
  display:flex;flex-direction:column;justify-content:space-between;
  clip-path:circle(0% at calc(100% - 34px) 32px);transition:clip-path .8s var(--ease);visibility:hidden}
.menu-open .menu{clip-path:circle(150% at calc(100% - 34px) 32px);visibility:visible}
.menu-open .nav{color:var(--on-night);background:transparent;border-bottom-color:rgba(236,233,226,.14);backdrop-filter:none}
.menu ol{list-style:none;margin:0;padding:0;counter-reset:m}
.menu li{overflow:hidden;border-bottom:1px solid rgba(236,233,226,.14)}
.menu li a{display:flex;align-items:baseline;gap:18px;padding-block:16px;font-family:var(--serif);font-size:28px;letter-spacing:.1em;
  transform:translateY(110%);transition:transform .7s var(--ease)}
.menu li a::before{counter-increment:m;content:counter(m,lower-roman) ".";font-family:var(--latin);font-style:italic;font-size:15px;color:var(--brass);width:28px}
.menu-open .menu li a{transform:none}
.menu-open .menu li:nth-child(2) a{transition-delay:.05s}.menu-open .menu li:nth-child(3) a{transition-delay:.1s}
.menu-open .menu li:nth-child(4) a{transition-delay:.15s}.menu-open .menu li:nth-child(5) a{transition-delay:.2s}
.menu-foot{font-size:13px;color:var(--on-night-2);letter-spacing:.1em;opacity:0;transition:opacity .6s .3s}
.menu-open .menu-foot{opacity:1}
.menu-open{overflow:hidden}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:48px;padding:0 26px;font-size:14px;letter-spacing:.18em;
  border:1px solid currentColor;background:transparent;cursor:pointer;position:relative;overflow:hidden;isolation:isolate;transition:color .5s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease)}
.btn:hover{color:var(--paper)}
.btn:hover::before{transform:scaleY(1)}
.btn.solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.solid::before{background:var(--brass)}
.on-night .btn::before{background:var(--on-night)}
.on-night .btn:hover{color:var(--night)}
.arrow-link{display:inline-flex;align-items:center;gap:14px;font-size:14px;letter-spacing:.18em;min-height:44px}
.arrow-link i{display:block;width:40px;height:1px;background:currentColor;position:relative;transition:width .6s var(--ease)}
.arrow-link i::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.arrow-link:hover i{width:64px}

/* ---------- footer ---------- */
footer{background:var(--night);color:var(--on-night-2);font-size:12px;letter-spacing:.12em;padding-bottom:env(safe-area-inset-bottom,0px)}
.foot{display:grid;grid-template-columns:1fr auto;gap:18px 32px;padding-block:36px;border-top:1px solid rgba(236,233,226,.12)}
.foot .brand{color:var(--on-night)}
.foot nav{display:flex;gap:22px;flex-wrap:wrap;justify-content:flex-end;align-items:center}
.foot nav a:hover{color:var(--on-night)}
.foot small{grid-column:1/-1;font-size:12px;opacity:.75}
@media (max-width:640px){.foot{grid-template-columns:1fr}.foot nav{justify-content:flex-start}}

/* ---------- legal / simple pages ---------- */
.doc{padding-block:calc(var(--nav-h) + 72px) 96px}
.doc .wrap{max-width:820px}
.doc h1{font-size:clamp(30px,5vw,44px);margin-top:18px}
.doc .meta{margin-top:14px;color:var(--ink-3);font-size:13px;letter-spacing:.1em}
.doc h2{font-size:20px;margin-top:48px;padding-top:24px;border-top:1px solid var(--rule)}
.doc p,.doc li{color:var(--ink-2);font-size:15px}
.doc p{margin-top:14px}
.doc ul,.doc ol{padding-left:1.3em;margin:14px 0 0}
.doc li+li{margin-top:6px}
.doc a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--rule)}

@keyframes rise{from{transform:translateY(105%)}to{transform:none}}
@keyframes fade{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@supports (animation-timeline: view()){
  .reveal{animation:fade linear both;animation-timeline:view();animation-range:entry 0% entry 60%}
}
@supports (animation-timeline: scroll()){
  .progress{animation:grow linear both;animation-timeline:scroll(root)}
  @keyframes grow{to{transform:scaleX(1)}}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .menu li a{transform:none}
}