/* CYN 官網樣式｜色票集中在 :root，要改色只改這一區 */
:root{
  --ink:#111; --paper:#faf8f4; --white:#fff; --gray:#8a8a86;
  --line:#e4dfd6; --beige:#e9e2d6; --brown:#8b6a4f;
  --pad:clamp(20px,5vw,64px); --ease:cubic-bezier(.22,.61,.36,1);
  box-sizing:border-box; color-scheme:light;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
html{scroll-behavior:smooth;scroll-padding-top:88px}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--paper);color:var(--ink);overflow-x:hidden;
  font:400 15px/1.7 "Helvetica Neue",Helvetica,Arial,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--paper);z-index:60}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
.pad{padding-inline:var(--pad)}
.eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--brown);margin-bottom:10px}
.note{font-size:12px;color:var(--gray);margin-top:14px}
.ph{position:absolute;left:12px;bottom:10px;font-size:10px;letter-spacing:.16em;color:currentColor;opacity:.6;text-transform:uppercase}
:focus-visible{outline:2px solid var(--brown);outline-offset:3px}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;display:flex;align-items:center;justify-content:space-between;
  height:68px;padding-inline:var(--pad);background:rgba(250,248,244,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.logo{font-weight:800;font-size:24px;letter-spacing:.32em}
.logo img{display:block;height:46px;width:auto}   /* Logo 圖片（images/logo-dark.png 頁首、logo-light.png 頁尾） */
.nav{display:flex;gap:36px;font-size:13px;letter-spacing:.14em}
.nav a{position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav a:hover::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:6px}
.bag{position:relative;display:grid;place-items:center;width:44px;height:44px}
.bag-count{position:absolute;top:5px;right:3px;min-width:16px;height:16px;border-radius:8px;background:var(--ink);color:#fff;font-size:10px;line-height:16px;text-align:center}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);transition:transform .35s var(--ease)}
.menu-btn span:first-child{top:17px}.menu-btn span:last-child{top:25px}
.menu-open .menu-btn span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-open .menu-btn span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Hero */
.hero{position:relative;min-height:min(86vh,780px);display:grid;align-items:end;background:#15120f;color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;background:radial-gradient(ellipse at 72% 40%,#5a4636 0%,#2a2018 45%,#15120f 80%)}
.hero-fig{position:absolute;right:6%;top:8%;width:min(52vw,560px);height:84%;color:#e9e2d6;opacity:.22}
.hero-media .ph{left:auto;right:var(--pad);bottom:18px;color:#fff}
.hero-copy{position:relative;padding:120px var(--pad) 64px;max-width:760px}
.hero h1{font-size:clamp(44px,8vw,104px);line-height:1;font-weight:800;letter-spacing:-.01em;margin:6px 0 24px}
.hero .eyebrow{color:#c9b49a}
.lead{color:#d6d0c6;max-width:440px;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;gap:14px;min-height:50px;padding:0 32px;background:var(--white);color:var(--ink);font-size:13px;letter-spacing:.22em;transition:background .35s var(--ease),color .35s var(--ease)}
.btn:hover{background:var(--brown);color:#fff}
.btn span{transition:transform .35s var(--ease)}.btn:hover span{transform:translateX(5px)}

.band{display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap;padding:16px var(--pad);background:var(--beige);font-size:11px;letter-spacing:.3em;color:var(--brown)}
.band i{width:5px;height:5px;background:var(--brown);border-radius:50%}

/* Sections */
.section{padding-block:clamp(64px,9vw,120px)}
.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:36px}
.section.pad .section-head{padding:0}
h2{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:.04em;line-height:1.15}
.link{font-size:12px;letter-spacing:.22em;padding:10px 0;border-bottom:1px solid var(--ink)}

/* 商品橫向滑動：原生 scroll-snap；左右箭頭由 js/main.js 控制（拖曳滑鼠留待下一階段） */
.rail{display:flex;gap:16px;overflow-x:auto;padding-inline:var(--pad);scroll-snap-type:x mandatory;scroll-padding-inline:var(--pad);
  overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.card{flex:0 0 76%;scroll-snap-align:start;display:block}
/* 左右箭頭（桌機／平板） */
.head-tools{display:flex;align-items:center;gap:28px}
.rail-nav{display:flex;gap:8px}
.rail-nav[hidden]{display:none}
.arrow{display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid var(--ink);border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;
  transition:background .35s var(--ease),color .35s var(--ease),opacity .35s var(--ease)}
.arrow:hover:not(:disabled){background:var(--ink);color:#fff}
.arrow:disabled{opacity:.28;cursor:default}
.rail-empty{padding:48px var(--pad);color:var(--gray);font-size:14px}
@media (max-width:639px){.rail-nav{display:none}}

.card h3{font-size:14px;font-weight:500;margin-top:14px}
.price{font-size:13px;color:var(--gray)}
.media{position:relative;aspect-ratio:4/5;overflow:hidden;background:linear-gradient(160deg,var(--a),var(--b))}
.media svg{position:absolute;left:12%;top:14%;width:76%;height:72%;color:var(--s);opacity:.55;transition:transform .8s var(--ease)}
.media .ph{color:var(--s)}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .media svg,.card:hover .media img{transform:scale(1.05)}
.badge{position:absolute;top:12px;left:12px;background:var(--ink);color:#fff;font-size:10px;letter-spacing:.18em;padding:4px 9px}

/* Collection */
.grid{display:grid;gap:16px}
.tile{position:relative;display:block;aspect-ratio:4/5;overflow:hidden;background:linear-gradient(160deg,var(--a),var(--b));color:#fff}
.tile svg{position:absolute;left:14%;top:12%;width:72%;height:66%;color:var(--s);opacity:.4;transition:transform .9s var(--ease)}
.tile:hover svg{transform:scale(1.06)}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.55),transparent 55%)}
.tile .ph{left:auto;right:12px;bottom:auto;top:12px;z-index:1;color:#fff}
.tile-text{position:absolute;left:22px;bottom:20px;z-index:1}
.tile small{display:block;font-size:11px;letter-spacing:.24em;opacity:.8}
.tile h3{font-size:clamp(20px,2.4vw,28px);font-weight:700;letter-spacing:.03em}
.tile-text span{font-size:12px;letter-spacing:.14em;opacity:.85}

/* About */
.about{background:var(--beige);padding-block:clamp(64px,9vw,120px)}
.about-in{display:grid;gap:40px;align-items:center;max-width:1280px;margin:auto}
.about-copy p+p{margin-top:16px}.about-copy h2{margin-bottom:22px}
.about-copy p:not(.eyebrow):not(.note){max-width:460px;color:#3b342d}

/* Footer */
.footer{background:var(--ink);color:#cfcac1;padding-top:64px;font-size:13px}
.footer-in{display:grid;gap:36px;grid-template-columns:1fr 1fr}
.f-brand{grid-column:1/-1}.f-brand .logo{color:#fff;display:block;margin-bottom:8px}.f-brand .logo img{height:60px}
.footer h4{color:#fff;font-size:11px;letter-spacing:.26em;margin-bottom:14px}
.footer a{display:block;padding:5px 0;transition:color .3s}.footer a:hover{color:#fff}
.footer .social{display:flex;gap:18px;margin-top:10px}
.copy{margin-top:56px;padding-block:22px;border-top:1px solid #2b2926;font-size:11px;letter-spacing:.1em;color:#7d786f}

/* 滾動淡入：只有 JS 啟用時才隱藏，避免內容消失 */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

@media (min-width:640px){.card{flex-basis:42%}.grid{grid-template-columns:1fr 1fr}.footer-in{grid-template-columns:repeat(4,1fr)}.f-brand{grid-column:auto}}
@media (min-width:1000px){
  .card{flex-basis:27%}
  .grid{grid-template-columns:1fr 1fr 1fr;grid-auto-rows:clamp(260px,25vw,380px)}
  .tile{aspect-ratio:auto}.t1{grid-row:span 2}.t4{grid-column:span 2}
  .about-in{grid-template-columns:1fr 1fr;gap:clamp(48px,8vw,120px)}
}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;visibility:hidden;transition:max-height .45s var(--ease),visibility .45s}
  .nav a{padding:18px var(--pad);border-top:1px solid var(--line);font-size:14px}.nav a::after{display:none}
  .menu-open .nav{max-height:360px;visibility:visible}
  .hero-fig{right:-14%;width:86vw;top:6%;height:62%}
  .hero-copy{padding-top:200px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
}