/* =========================================================
   月禾服飾 YUE HE ATELIER — styles.css
   ========================================================= */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --paper:#F7F3EB;
  --paper2:#EFE9DC;
  --ink:#201E1A;
  --ink2:#514D44;
  --muted:#8C8578;
  --line:rgba(32,30,26,.14);
  --bronze:#8A6A45;
  --radius:2px;
  --serif:"Cormorant Garamond","Noto Serif TC","Songti TC",Georgia,serif;
  --sans:"Noto Sans TC",-apple-system,BlinkMacSystemFont,"PingFang TC","Helvetica Neue",Arial,sans-serif;
  --nav-h:66px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-weight:300;line-height:1.75;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.wrap{width:min(1220px,90vw);margin-inline:auto}

/* ---------- announce ---------- */
.announce{
  background:var(--ink);color:#EDE7DB;text-align:center;
  font-size:11.5px;letter-spacing:.16em;padding:9px 16px;line-height:1.4;
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:80;background:rgba(247,243,235,.92);
  backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border:1px solid var(--ink);border-radius:50%;
  display:grid;place-items:center;font-family:var(--serif);font-size:17px;line-height:1;
}
.brand-txt{font-family:var(--serif);font-size:17px;letter-spacing:.14em;line-height:1.1}
.brand-txt small{display:block;font-family:var(--sans);font-size:8.5px;letter-spacing:.3em;color:var(--muted);margin-top:3px}
.nav-links{display:none;gap:34px;font-size:13.5px;letter-spacing:.14em;color:var(--ink2)}
.nav-links a{position:relative;padding:4px 0;transition:color .25s}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--bronze);transition:width .3s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:2px}
.lang button{background:none;border:0;font-size:11px;letter-spacing:.08em;color:var(--muted);padding:4px 9px;border-radius:999px;transition:.2s}
.lang button.active{background:var(--ink);color:var(--paper)}
.nav-cta{
  display:none;font-size:12.5px;letter-spacing:.12em;border:1px solid var(--ink);
  padding:8px 16px;border-radius:999px;transition:.25s;
}
.nav-cta:hover{background:var(--ink);color:var(--paper)}
.burger{width:34px;height:34px;background:none;border:0;display:grid;place-content:center;gap:5px}
.burger span{display:block;width:19px;height:1px;background:var(--ink);transition:.25s}

/* mobile menu */
.mobile-menu{
  position:fixed;inset:var(--nav-h) 0 auto 0;background:var(--paper);z-index:79;
  border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .35s ease;
  padding:8px 5vw 26px;
}
.mobile-menu.open{transform:none}
.mobile-menu a{display:block;padding:15px 2px;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:19px;letter-spacing:.12em}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:1fr;background:var(--paper)}
.hero-txt{padding:clamp(44px,9vw,90px) 5vw clamp(38px,6vw,64px);display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:10px;letter-spacing:.32em;color:var(--bronze);margin-bottom:22px}
.hero h1{font-family:var(--serif);font-weight:300;line-height:1.02;letter-spacing:.06em}
.hero h1 span{display:block;font-size:clamp(46px,13vw,86px)}
.hero h1 em{display:block;font-style:normal;font-size:clamp(46px,13vw,86px);color:var(--bronze);margin-top:-.06em}
.hero-sub{margin-top:26px;font-size:clamp(13.5px,3.6vw,15.5px);color:var(--ink2);line-height:2;max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 26px;font-size:12.5px;letter-spacing:.16em;
  border-radius:var(--radius);border:1px solid transparent;transition:.28s ease;
}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--bronze)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.hero-meta{display:flex;gap:clamp(20px,5vw,44px);margin-top:clamp(34px,6vw,54px);padding-top:22px;border-top:1px solid var(--line)}
.hero-meta strong{display:block;font-family:var(--serif);font-size:13px;letter-spacing:.22em;font-weight:400}
.hero-meta span{font-size:11px;color:var(--muted);letter-spacing:.08em}
.hero-img{position:relative;overflow:hidden;min-height:62vh;background:var(--paper2)}
.hero-img img{width:100%;height:100%;object-fit:cover;animation:heroIn 1.6s cubic-bezier(.2,.7,.2,1) both}
@keyframes heroIn{from{transform:scale(1.06);opacity:.4}to{transform:none;opacity:1}}
.hero-cap{
  position:absolute;bottom:16px;left:20px;font-size:9.5px;letter-spacing:.3em;
  color:#fff;mix-blend-mode:difference;opacity:.85;
}

/* ---------- strip ---------- */
.strip{border-bottom:1px solid var(--line);background:var(--paper)}
.strip-in{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.strip-item{display:flex;align-items:center;gap:9px;padding:16px 4px;border-bottom:1px solid var(--line);font-size:11.5px;letter-spacing:.08em;color:var(--ink2)}
.strip-item span{font-family:var(--serif);font-size:12px;color:var(--bronze)}
.strip-item p{line-height:1.4}

/* ---------- section head ---------- */
.sec-head{margin-bottom:clamp(26px,4vw,44px)}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}
.sec-idx{display:block;font-size:10px;letter-spacing:.3em;color:var(--bronze);margin-bottom:12px}
.sec-idx.light{color:#C0A986}
.sec-head h2,.about h2{font-family:var(--serif);font-weight:300;font-size:clamp(27px,6vw,40px);line-height:1.25;letter-spacing:.08em}
.sec-sub{margin-top:10px;font-size:12.5px;color:var(--muted);max-width:34em;line-height:1.9}
.sec-count{font-family:var(--serif);font-size:12px;letter-spacing:.2em;color:var(--muted)}

/* ---------- categories ---------- */
.cats{padding:clamp(56px,9vw,100px) 0 clamp(40px,6vw,64px)}
.cat-grid{display:grid;grid-template-columns:1fr;gap:18px}
.cat-card{display:block;position:relative;overflow:hidden;background:var(--paper2)}
.cat-img{aspect-ratio:4/5;overflow:hidden}
.cat-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.cat-card:hover .cat-img img{transform:scale(1.045)}
.cat-info{
  display:flex;align-items:flex-end;justify-content:space-between;gap:12px;
  padding:16px 18px;background:var(--paper);border-top:1px solid var(--line);
}
.cat-info h3{font-family:var(--serif);font-weight:400;font-size:22px;letter-spacing:.16em;line-height:1.2}
.cat-info p{font-family:var(--serif);font-size:11px;letter-spacing:.24em;color:var(--muted);text-transform:uppercase;margin-top:2px}
.cat-arrow{font-size:10.5px;letter-spacing:.12em;color:var(--bronze);white-space:nowrap;padding-bottom:3px}

/* ---------- products ---------- */
.products{padding:clamp(30px,5vw,56px) 0 clamp(56px,9vw,96px)}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(14px,2.4vw,30px) clamp(12px,2vw,26px)}
.grid-bags .card:nth-child(1){grid-column:span 2}
.card{display:block;background:none;border:0;padding:0;text-align:left;width:100%;color:inherit}
.card-media{position:relative;overflow:hidden;aspect-ratio:3/4;background:var(--paper2)}
.grid-bags .card:nth-child(1) .card-media{aspect-ratio:4/3}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.05)}
.card-tag{
  position:absolute;top:10px;left:10px;background:rgba(247,243,235,.92);
  font-size:9px;letter-spacing:.18em;padding:4px 8px;color:var(--ink2);
}
.card-hover{
  position:absolute;inset:auto 0 0 0;padding:12px;text-align:center;
  background:linear-gradient(to top,rgba(32,30,26,.55),transparent);
  color:#fff;font-size:10.5px;letter-spacing:.22em;
  opacity:0;transform:translateY(6px);transition:.32s ease;
}
.card:hover .card-hover{opacity:1;transform:none}
.card-body{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:12px 2px 0}
.card-name{font-size:13.5px;letter-spacing:.06em;line-height:1.5}
.card-en{display:block;font-family:var(--serif);font-size:10.5px;letter-spacing:.14em;color:var(--muted);margin-top:1px}
.card-price{font-family:var(--serif);font-size:13px;letter-spacing:.06em;white-space:nowrap;color:var(--ink2)}

/* ---------- bags band ---------- */
.bags-band{background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bags-band .products{padding-top:clamp(52px,8vw,84px)}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:1fr;background:var(--paper)}
.about-img{overflow:hidden;min-height:56vw;max-height:78vh}
.about-img img{width:100%;height:100%;object-fit:cover}
.about-txt{padding:clamp(42px,8vw,86px) 5vw;display:flex;flex-direction:column;justify-content:center}
.about p{margin-top:18px;font-size:13.5px;line-height:2.1;color:var(--ink2);max-width:32em}
.about-sign{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.sign-zh{font-family:var(--serif);font-size:30px;letter-spacing:.3em;margin:0!important;color:var(--ink)!important}
.sign-en{font-size:9px;letter-spacing:.26em;color:var(--muted)!important;margin-top:6px!important}

/* ---------- contact ---------- */
.contact{background:var(--ink);color:#EFE9DC}
.contact-in{display:grid;grid-template-columns:1fr;gap:clamp(32px,6vw,60px);padding:clamp(54px,9vw,100px) 0 clamp(40px,6vw,64px)}
.contact h2{font-family:var(--serif);font-weight:300;font-size:clamp(28px,7vw,44px);line-height:1.35;letter-spacing:.08em;color:#F4EEE2}
.contact-lead > p{margin-top:18px;font-size:12.5px;line-height:2;color:rgba(239,233,220,.66);max-width:30em}
.contact-list{border-top:1px solid rgba(255,255,255,.14)}
.contact-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:15px 2px;border-bottom:1px solid rgba(255,255,255,.14);transition:.25s;
}
a.contact-row:hover{padding-inline:8px;background:rgba(255,255,255,.04)}
.contact-row span{font-size:10.5px;letter-spacing:.2em;color:rgba(239,233,220,.5);white-space:nowrap}
.contact-row strong{font-weight:300;font-size:13px;letter-spacing:.06em;text-align:right}
.foot{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 30px}
.foot-in{display:flex;flex-direction:column;gap:6px;font-size:10.5px;letter-spacing:.12em;color:rgba(239,233,220,.5)}

/* ---------- product sheet ---------- */
.sheet{position:fixed;inset:0;z-index:200;display:none}
.sheet.open{display:block}
.sheet-bg{position:absolute;inset:0;background:rgba(24,22,19,.62);backdrop-filter:blur(3px);animation:fade .3s both}
@keyframes fade{from{opacity:0}to{opacity:1}}
.sheet-panel{
  position:relative;margin:auto;background:var(--paper);
  width:min(1040px,100vw);max-height:100vh;height:100%;
  display:grid;grid-template-columns:1fr;overflow-y:auto;animation:rise .38s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.sheet-close{
  position:fixed;top:12px;right:12px;z-index:3;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(247,243,235,.94);color:var(--ink);
  font-size:14px;display:grid;place-items:center;
}
.sheet-img{background:var(--paper2);min-height:44vh}
.sheet-img img{width:100%;height:100%;object-fit:cover}
.sheet-body{padding:clamp(26px,6vw,54px)}
.sheet-cat{font-size:10px;letter-spacing:.3em;color:var(--bronze);margin-bottom:12px}
.sheet-body h3{font-family:var(--serif);font-weight:300;font-size:clamp(25px,6vw,36px);letter-spacing:.1em;line-height:1.3}
.sheet-en{font-family:var(--serif);font-size:12.5px;letter-spacing:.2em;color:var(--muted);margin-top:6px;text-transform:uppercase}
.sheet-price{margin-top:16px;font-family:var(--serif);font-size:19px;letter-spacing:.08em;color:var(--bronze)}
.sheet-desc{margin-top:18px;font-size:13px;line-height:2.05;color:var(--ink2)}
.specs{margin-top:26px;border-top:1px solid var(--line)}
.specs div{display:flex;justify-content:space-between;gap:18px;padding:11px 2px;border-bottom:1px solid var(--line);font-size:12px}
.specs dt{color:var(--muted);letter-spacing:.12em;white-space:nowrap}
.specs dd{text-align:right;color:var(--ink2);margin:0}
.sheet-note{margin-top:22px;font-size:11.5px;line-height:1.9;color:var(--muted);background:rgba(138,106,69,.07);border-left:2px solid var(--bronze);padding:12px 14px}
.sheet-actions{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.sheet-actions .btn{flex:1 1 auto;min-width:140px}
body.locked{overflow:hidden}

/* ---------- responsive ---------- */
@media (min-width:560px){
  .cat-grid{grid-template-columns:1fr 1fr}
  .strip-in{grid-template-columns:repeat(4,1fr)}
  .strip-item{border-bottom:0;justify-content:center;border-right:1px solid var(--line);padding:18px 6px}
  .strip-item:last-child{border-right:0}
  .foot-in{flex-direction:row;justify-content:space-between;align-items:center}
}
@media (min-width:860px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
  .mobile-menu{display:none}
  .hero{grid-template-columns:1.02fr 1.12fr;min-height:calc(100vh - var(--nav-h) - 33px)}
  .hero-txt{padding:clamp(40px,5vw,76px) clamp(30px,4.4vw,76px)}
  .hero-img{min-height:auto}
  .grid{grid-template-columns:repeat(3,1fr)}
  .grid-bags .card:nth-child(1){grid-column:span 1}
  .grid-bags .card:nth-child(1) .card-media{aspect-ratio:3/4}
  .about{grid-template-columns:1.05fr 1fr}
  .about-img{min-height:600px}
  .contact-in{grid-template-columns:1fr .85fr;align-items:start}
  .sheet-panel{grid-template-columns:1.05fr .95fr;max-height:88vh;height:auto;margin:6vh auto;overflow:hidden}
  .sheet-img{min-height:0;height:100%}
  .sheet-body{overflow-y:auto;max-height:88vh}
  .sheet-close{position:absolute}
  .card-hover{display:none}
}
@media (min-width:1180px){
  .logo-gap{}
  .hero h1 span,.hero h1 em{font-size:clamp(64px,6.6vw,96px)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}