/* 模板 token：換產品主要改呢度（色、字體）。--bg 會畀 3D 折射層讀，一定要係實色 */
:root{
  --bg:#efe8dc; --paper:#f6f2ea; --stone:#ddd3c4; --ink:#2a2520; --ink-2:#5f564b; --dim:#948978; --accent:#9a7552;
  --line:rgba(42,37,32,.14);
  --en:"Cormorant Garamond",Georgia,serif; --zh-serif:"Noto Serif TC","Songti TC",serif; --sans:"Inter","Noto Sans TC",system-ui,sans-serif;
  --gut:clamp(20px,3.4vw,52px); --nav-h:64px;
  --hero-1:#f4efe7; --hero-2:#e3dacd; --hero-3:#cbbfad; --hero-tag:#ada190; --s-bg:#f8f5f1;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg)}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
em{font-style:italic}
.eyebrow{font-family:var(--sans);font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--dim)}
.en{font-family:var(--en);font-weight:300;letter-spacing:-.02em;line-height:.95}
.en em{font-weight:300}
.zh{font-family:var(--zh-serif);font-weight:300;letter-spacing:.02em;line-height:1.3}

/* 3D 主體：固定全畫面；大字喺佢下面，UI 喺佢上面 */
#stage{position:fixed;inset:0;width:100vw;height:100vh;z-index:5;pointer-events:none}
section{position:relative}
.above{position:relative;z-index:10}

/* ---------- nav（照 L3：白 bar、左 menu、中公告、右 icon）；首屏收起，捲過首屏先出 ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:40;height:var(--nav-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 var(--gut);
     background:#fdfcfa;border-bottom:1px solid #e4e1dc;transform:translateY(-101%);transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.nav.on{transform:none}
.menu{justify-self:start;width:26px;height:18px;display:flex;flex-direction:column;justify-content:space-between;background:none;border:0;cursor:pointer;padding:0}
.menu i{display:block;height:1.5px;background:var(--ink);border-radius:2px}
.notice{font-size:12px;letter-spacing:.18em;color:var(--ink)}
.nav-r{justify-self:end;display:flex;align-items:center;gap:20px}
.nav-r .icon svg{width:20px;height:20px;fill:var(--ink);display:block}
.mark i{display:block;width:14px;height:21px;background:linear-gradient(160deg,#fff,#cfc3b1);clip-path:polygon(50% 0,100% 28%,100% 78%,50% 100%,0 78%,0 28%);box-shadow:inset 0 0 0 1.5px var(--ink)}
.drawer{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;background:#fdfcfa;border-bottom:1px solid #e4e1dc;padding:10px var(--gut) 18px}
.drawer a{padding:10px 0;font-family:var(--zh-serif);font-size:18px;border-bottom:1px solid #efece7}
.nav.open .drawer{display:flex}
.pill{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 22px;border-radius:99px;border:1px solid rgba(42,37,32,.3);font-size:13px;letter-spacing:.1em;transition:background .35s,color .35s,border-color .35s;white-space:nowrap}
.pill:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pill--solid{background:var(--ink);color:var(--paper);border-color:var(--ink);height:54px;padding:0 30px;font-size:15px}
.pill--solid:hover{background:var(--accent);border-color:var(--accent)}
.pill svg{width:18px;height:18px;fill:currentColor}

/* ---------- 1 hero（照 L1：尺寸用 vw／svh，對應 L1 嘅闊／高百分比）---------- */
.hero{height:100svh;overflow:hidden;background:radial-gradient(circle farthest-corner at 50% 0%,var(--hero-1) 0%,var(--hero-2) 50%,var(--hero-3) 100%)}
.h-tag{position:absolute;z-index:10;left:3vw;top:3.5svh;height:4.4svh;display:inline-flex;align-items:center;padding:0 1.3vw;border-radius:99px;background:var(--hero-tag);color:#fff;
       font:500 1.5svh/1 "Barlow Condensed",var(--sans);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}
.h-lines{position:absolute;z-index:10;left:3.3vw;top:10.2svh;font:300 7.3svh/1.02 "Barlow Condensed",var(--sans);letter-spacing:-.005em;color:#2d2924}
.brand{position:absolute;z-index:2;left:0;right:0;top:53%;transform:translateY(-50%);text-align:center;white-space:nowrap;
       font:400 9vw/1 "Lexend Zetta",var(--sans);letter-spacing:.03em;text-indent:.03em;color:#fdfbf7}
.obj-slot{position:absolute;left:50%;top:50%;width:1px;height:74svh;transform:translate(-50%,-50%)}
.h-foot{position:absolute;z-index:10;left:75.5vw;top:77svh;width:21.5vw}
.h-foot p{font-size:max(12.5px,1.62svh);line-height:1.62;color:#3a342d}
.h-btn{margin-top:2.4svh;display:inline-flex;align-items:center;justify-content:space-between;gap:1vw;height:6svh;min-width:12.5vw;padding:0 .55svh 0 1.5vw;border-radius:99px;
       background:#3b352f;color:#fff;font:500 max(11px,1.45svh)/1 "Barlow Condensed","Noto Sans TC",var(--sans);letter-spacing:.08em;text-transform:uppercase;transition:background .3s}
.h-btn:hover{background:#221e1a}
.h-btn i{width:4.9svh;height:4.9svh;border-radius:50%;background:#d8cfc1;display:grid;place-items:center;flex:none}
.h-btn svg{width:48%;height:48%;fill:none;stroke:#3b352f;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 2 stones（照 L3：區高 = 半個畫面闊；散石位置照 L3 嗰 12 粒）---------- */
.stones{background:var(--s-bg);padding-top:var(--nav-h)}
.s-stage{position:relative;height:50vw;overflow:hidden}
.s-title{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;white-space:nowrap;
         font:400 7.5vw/.98 "Bodoni Moda",Didot,serif;letter-spacing:-.012em;color:#141210}
.stone{position:absolute;z-index:1;left:var(--x);top:var(--y);width:var(--w)}
.stone img{width:100%;transform:rotate(var(--r));filter:drop-shadow(.35vw .7vw .55vw rgba(70,55,40,.2))}
.land-slot{position:absolute;left:66.5%;top:73%;width:9%;height:21%}
.land-slot i{position:absolute;left:18%;right:4%;bottom:-2%;height:14%;border-radius:50%;background:radial-gradient(closest-side,rgba(70,55,40,.28),transparent);opacity:0}
.s-circle{position:absolute;z-index:10;left:87%;top:74%;width:9.7vw;aspect-ratio:1;border-radius:50%;background:#141210;color:#fff;display:grid;place-items:center;text-align:center;
          font:500 1.15vw/1.2 "Barlow Condensed","Noto Sans TC",var(--sans);letter-spacing:.06em;text-transform:uppercase;transition:transform .4s}
.s-circle:hover{transform:scale(1.05)}
.marquee{height:4.4vw;background:#fff;border-top:1px solid #e2e4e3;border-bottom:1px solid #e2e4e3;overflow:hidden;display:flex;align-items:center}
.m-track{display:flex;white-space:nowrap;font:500 2vw/1 "Barlow Condensed","Noto Sans TC",var(--sans);letter-spacing:.01em;color:#141210;will-change:transform}
.m-track span{padding-right:.55em}
.m-track .rb{background:linear-gradient(90deg,#f4a4a4,#f6cf8e,#b9dca0,#9cc8ef,#c7aef0);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 2 manifesto ---------- */
.manifesto{height:180svh}
.manifesto .pin{position:sticky;top:0;z-index:10;height:100svh;display:flex;align-items:center;padding:0 clamp(20px,7vw,120px)}
.manifesto .copy{max-width:min(50vw,760px)}
.manifesto .eyebrow{margin-bottom:34px}
.manifesto p{font-family:var(--zh-serif);font-weight:300;font-size:clamp(26px,2.7vw,46px);line-height:1.62;letter-spacing:.03em}
.manifesto p .w{opacity:.13}
.manifesto p em{font-style:normal;color:var(--accent)}

/* ---------- 共用標題 ---------- */
.sec-head{padding:0 var(--gut);margin-bottom:8svh}
.sec-head .eyebrow{margin-bottom:24px}
.sec-head h2.en{font-size:clamp(56px,8vw,150px)}
.sec-head h2.zh{font-size:clamp(34px,4.4vw,72px)}
.sec-head .lede{margin-top:22px;max-width:34em;color:var(--ink-2);font-size:16px}

/* ---------- 3 collection ---------- */
.collection{padding:20svh 0 16svh;background:var(--bg)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,3vw,48px) clamp(14px,1.6vw,24px);padding:0 var(--gut)}
.item figure{aspect-ratio:1;overflow:hidden;border-radius:14px;background:var(--stone)}
.item img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.item:hover img{transform:scale(1.04)}
.item .meta{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;gap:12px}
.item h3{font-family:var(--zh-serif);font-weight:400;font-size:20px;letter-spacing:.04em}
.item .price{font-family:var(--en);font-size:22px;font-weight:400}
.item .spec{margin-top:4px;font-size:13px;color:var(--dim);letter-spacing:.02em}
.item .ask{display:inline-block;margin-top:12px;font-size:13px;color:var(--accent);border-bottom:1px solid transparent;transition:border-color .3s}
.item .ask:hover{border-color:currentColor}

/* ---------- 4 light ---------- */
.light{height:230svh;background:var(--bg)}
.light .pin{position:sticky;top:0;height:100svh;overflow:hidden}
.light .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:30% 50%;transform-origin:30% 45%;z-index:1}
.light .veil{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,var(--bg) 0%,rgba(239,232,220,.1) 26%,rgba(239,232,220,0) 60%,var(--bg) 100%)}
.light .txt{position:absolute;z-index:10;left:var(--gut);right:var(--gut);top:14svh;text-align:right}
.light .txt .eyebrow{margin-bottom:20px}
.light h2{font-size:clamp(52px,7vw,128px)}
.light .cap{position:absolute;z-index:10;right:var(--gut);bottom:9svh;text-align:right;font-family:var(--zh-serif);font-size:17px;line-height:1.9;color:var(--ink-2)}

/* ---------- 5 uses ---------- */
.uses{padding:20svh 0 16svh;background:var(--bg)}
.trio{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:clamp(12px,1.4vw,20px);padding:0 var(--gut)}
.card{position:relative;overflow:hidden;border-radius:16px;aspect-ratio:4/5;background:var(--stone)}
.card:first-child{aspect-ratio:auto}
.card img{position:absolute;inset:-6% 0;width:100%;height:112%;object-fit:cover;will-change:transform}
.card:first-child img{object-position:62% 50%}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(38,30,22,.62),rgba(38,30,22,0) 46%)}
.card figcaption{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;color:#fbf7f0}
.card figcaption b{display:block;font-family:var(--zh-serif);font-weight:400;font-size:clamp(24px,2vw,32px);letter-spacing:.08em}
.card figcaption span{display:block;margin-top:6px;font-size:14px;line-height:1.65;opacity:.9;max-width:26em}

/* ---------- 6 buy ---------- */
.buy{padding:14svh 0 18svh;background:var(--bg)}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,64px);padding:0 var(--gut)}
.steps li{border-top:1px solid var(--line);padding-top:24px}
.steps .n{font-family:var(--en);font-style:italic;font-size:22px;color:var(--accent)}
.steps h3{margin-top:14px;font-family:var(--zh-serif);font-weight:400;font-size:clamp(20px,1.7vw,26px)}
.steps p{margin-top:10px;color:var(--ink-2);max-width:28em}

/* ---------- 7 cta + footer ---------- */
.cta{height:100svh;display:grid;place-items:center;text-align:center;padding:0 20px}
.cta>div{width:100%}
.cta .eyebrow{position:absolute!important;left:0;right:0;top:14svh}
.cta .act{position:absolute;z-index:10;left:0;right:0;bottom:9svh;padding:0 var(--gut)}
.cta h2{font-size:clamp(76px,11vw,210px);line-height:.86}
.cta p{margin:0 auto 26px;max-width:26em;font-family:var(--zh-serif);font-size:18px;color:var(--ink-2);text-shadow:0 0 14px var(--bg),0 0 28px var(--bg)}
footer{padding:0 var(--gut) 30px;overflow:hidden}
.wordmark{font-family:var(--en);font-weight:300;font-size:15.2vw;line-height:.8;letter-spacing:-.04em;color:var(--stone);text-align:center;margin:0 -2vw}
.foot{margin-top:26px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--dim)}
.foot span{max-width:62em}
.foot nav{display:flex;gap:24px}

.toast{position:fixed;z-index:60;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:var(--paper);font-size:13px;padding:12px 20px;border-radius:99px;transition:opacity .35s,transform .35s;max-width:calc(100vw - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:820px){
  :root{--gut:16px;--nav-h:54px}
  .notice{font-size:10.5px;letter-spacing:.08em}
  .h-tag{left:16px;top:18px;height:26px;padding:0 12px;font-size:10.5px}
  .h-lines{left:16px;top:58px;font-size:35px}
  .brand{top:50%}
  .obj-slot{top:47%;height:40svh}
  .h-foot{left:16px;right:16px;top:auto;bottom:22px;width:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:14px}
  .h-foot p{font-size:12.5px;max-width:15em}
  .h-btn{margin-top:0;height:44px;min-width:0;padding:0 5px 0 14px;font-size:11px;gap:10px;flex:none}
  .h-btn i{width:34px;height:34px}
  .s-stage{height:122vw}
  .s-title{font-size:13vw}
  .stone{width:calc(var(--w) * 1.8)}
  .land-slot{left:64%;top:77%;width:14%;height:14%}
  .s-circle{left:78%;top:80%;width:19vw;font-size:2.9vw}
  .marquee{height:10vw}
  .m-track{font-size:4.6vw}
  .manifesto .pin{align-items:flex-start;padding-top:15svh}
  .manifesto .copy{max-width:none}
  .manifesto p{font-size:22px}
  .grid{grid-template-columns:1fr 1fr;gap:28px 12px}
  .item h3{font-size:16px}
  .item .price{font-size:18px}
  .item .meta{flex-direction:column;gap:0;margin-top:12px}
  .item .spec{font-size:12px}
  .light .txt{text-align:left;top:12svh}
  .light .cap{left:var(--gut);text-align:left;font-size:15px}
  .light .bg{object-position:22% 50%}
  .trio{grid-template-columns:1fr}
  .card:first-child{aspect-ratio:4/3}
  .steps{grid-template-columns:1fr;gap:32px}
  .foot nav{flex-wrap:wrap;gap:12px 20px}
}
@media (prefers-reduced-motion:reduce){
  .manifesto,.light{height:auto}
  .manifesto .pin,.light .pin{position:relative;min-height:100svh}
  .manifesto p .w{opacity:1}
}

/* CTA：大字喺主體後面（會被折射），文字同掣喺前面 */
.cta h2{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}
.cta h2 span:first-child{transform:translateX(-.3em)}
.cta h2 span:last-child{transform:translateX(.3em)}
.cta .eyebrow,.cta p,.cta .pill{position:relative;z-index:10}