/* ============================================================
   有心制作 YOHSIN INTERIOR — 新官網 首頁樣式
   品牌色票取自現有官網：駝 #C5BBAC / 紙 #F2EFEA / 灰 #736E67 / 墨 #424242
   ============================================================ */
:root{
  --paper:#F2EFEA;
  --paper-2:#EAE4DA;
  --card:#FBFAF7;
  --ink:#3A3733;
  --ink-soft:#5E574F;
  --muted:#8E8A82;
  --taupe:#C5BBAC;
  --taupe-deep:#A99C86;
  --line:#E2DBCF;
  --shadow:0 1px 2px rgba(58,55,51,.04), 0 14px 40px rgba(58,55,51,.07);
  --head-h:72px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans TC",system-ui,-apple-system,"PingFang TC",sans-serif;
  font-weight:400;line-height:1.85;letter-spacing:.01em;font-size:16px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px;}
.en{font-family:"Cormorant Garamond","Noto Serif TC",serif;}
.serif{font-family:"Noto Serif TC",serif;}

/* ---------------- Header / Nav ---------------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--head-h);
  display:flex;align-items:center;
  background:rgba(242,239,234,0);transition:background .35s,height .35s,box-shadow .35s,border-color .35s;
  border-bottom:1px solid transparent;
}
.header.scrolled{
  background:rgba(242,239,234,.9);backdrop-filter:saturate(160%) blur(12px);
  height:60px;box-shadow:0 1px 0 rgba(58,55,51,.04);border-bottom-color:var(--line);
}
.header .wrap{display:flex;align-items:center;justify-content:space-between;width:100%;}
.brand{line-height:1;}
.brand .zh{font-family:"Noto Serif TC",serif;font-weight:600;font-size:28px;letter-spacing:.04em;color:#fff;text-shadow:0 1px 6px rgba(30,26,22,.5),0 1px 2px rgba(30,26,22,.35);}
.header.scrolled .brand .zh{color:var(--ink);text-shadow:0 1px 3px rgba(58,55,49,.18);}
.brand .en{display:block;font-size:11px;letter-spacing:.42em;color:var(--muted);margin-top:4px;font-weight:500;}

/* desktop menu */
.menu{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0;}
.menu>li{position:relative;}
.menu>li>a{
  font-size:14.5px;letter-spacing:.12em;color:var(--ink-soft);padding:10px 0;display:inline-flex;align-items:center;gap:5px;
  transition:color .2s;cursor:pointer;
}
.menu>li>a:hover{color:var(--ink);}
.menu>li>a .caret{font-size:9px;color:var(--taupe-deep);transition:transform .25s;}
.menu>li.has-sub:hover>a .caret{transform:rotate(180deg);}
.menu>li>a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--taupe-deep);transition:width .25s;}
.menu>li>a:hover::after{width:100%;}
.menu .btn-book{
  background:var(--ink);color:var(--paper)!important;padding:9px 22px;border-radius:999px;letter-spacing:.16em;font-size:13.5px;
  transition:background .2s,transform .15s;
}
.menu .btn-book::after{display:none;}
.menu .btn-book:hover{background:var(--taupe-deep);}
/* dropdown */
.menu .sub{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);
  background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  list-style:none;margin:0;padding:8px;min-width:190px;opacity:0;visibility:hidden;transition:opacity .22s,transform .22s;
}
.menu>li.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.menu .sub::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px;}
.menu .sub li a{display:block;padding:9px 14px;border-radius:9px;font-size:14px;color:var(--ink-soft);letter-spacing:.06em;transition:background .18s,color .18s;}
.menu .sub li a:hover{background:var(--paper-2);color:var(--ink);}

/* hamburger */
.burger{display:none;width:42px;height:42px;border:none;background:transparent;cursor:pointer;position:relative;}
.burger span{position:absolute;left:9px;right:9px;height:1.6px;background:var(--ink);transition:transform .3s,opacity .2s,top .3s;}
.burger span:nth-child(1){top:15px;} .burger span:nth-child(2){top:21px;} .burger span:nth-child(3){top:27px;}
body.nav-open .burger span:nth-child(1){top:21px;transform:rotate(45deg);}
body.nav-open .burger span:nth-child(2){opacity:0;}
body.nav-open .burger span:nth-child(3){top:21px;transform:rotate(-45deg);}

/* mobile drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(82vw,360px);background:var(--paper);z-index:99;
  transform:translateX(100%);transition:transform .4s cubic-bezier(.5,0,.2,1);
  padding:90px 30px 40px;overflow-y:auto;box-shadow:-20px 0 60px rgba(58,55,51,.12);
}
body.nav-open .drawer{transform:translateX(0);}
.drawer-mask{position:fixed;inset:0;background:rgba(40,37,33,.4);z-index:98;opacity:0;visibility:hidden;transition:opacity .35s;}
body.nav-open .drawer-mask{opacity:1;visibility:visible;}
.m-menu{list-style:none;margin:0;padding:0;}
.m-menu>li{border-bottom:1px solid var(--line);}
.m-menu>li>a,.m-menu>li>.m-parent{display:flex;justify-content:space-between;align-items:center;padding:15px 4px;font-family:"Noto Serif TC",serif;font-size:17px;color:var(--ink);letter-spacing:.08em;cursor:pointer;}
.m-menu .m-sub{list-style:none;margin:0;padding:0 0 6px;max-height:0;overflow:hidden;transition:max-height .35s ease;}
.m-menu li.open .m-sub{max-height:320px;}
.m-menu .m-sub li a{display:block;padding:9px 14px;color:var(--ink-soft);font-size:15px;}
.m-menu .m-parent .caret{transition:transform .3s;color:var(--taupe-deep);font-size:12px;}
.m-menu li.open .m-parent .caret{transform:rotate(180deg);}
.drawer .book{margin-top:24px;display:block;text-align:center;background:var(--ink);color:var(--paper);padding:14px;border-radius:999px;letter-spacing:.2em;font-size:14px;}

@media (max-width:880px){
  .menu{display:none;}
  .burger{display:block;}
}

/* ---------------- Hero ---------------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;}
.hero-bg{position:absolute;inset:-8% 0 0;z-index:0;background:#DED5C5;}
.hero-bg .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.6s ease;}
.hero-bg .slide.active{opacity:1;}
.hero-bg::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(34,30,26,.32) 0%,rgba(34,30,26,.12) 40%,rgba(34,30,26,.46) 100%);}
.hero .wrap{position:relative;z-index:2;padding-top:var(--head-h);}
.hero .eyebrow{font-family:"Cormorant Garamond",serif;font-size:18px;letter-spacing:.5em;color:rgba(255,255,255,.9);margin:0 0 22px;opacity:0;text-shadow:0 1px 16px rgba(30,26,22,.35);}
.hero h1{
  font-family:"Noto Serif TC",serif;font-weight:600;color:#fff;
  font-size:clamp(34px,7vw,62px);line-height:1.32;letter-spacing:.04em;margin:0 0 26px;text-shadow:0 2px 24px rgba(30,26,22,.4);
}
.hero h1 .l{display:block;opacity:0;}
.hero .sub{font-size:clamp(15px,2.4vw,18px);color:rgba(255,255,255,.92);font-weight:300;max-width:30em;margin:0 0 38px;opacity:0;text-shadow:0 1px 16px rgba(30,26,22,.4);}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;opacity:0;}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 32px;border-radius:999px;font-size:15px;letter-spacing:.1em;transition:transform .15s,background .2s,color .2s,border-color .2s;}
.btn-dark{background:var(--ink);color:var(--paper);} .btn-dark:hover{background:var(--taupe-deep);transform:translateY(-2px);}
.btn-ghost{border:1px solid var(--taupe-deep);color:var(--ink);} .btn-ghost:hover{background:var(--taupe-deep);color:var(--paper);transform:translateY(-2px);}
/* Hero 疊在照片上 → 用淺色按鈕 */
.hero .btn-dark{background:var(--paper);color:var(--ink);} .hero .btn-dark:hover{background:#fff;}
.hero .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;} .hero .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}

/* 遊戲式立體按鈕：有厚度、按下去會陷下去 */
.btn-press{position:relative;font-weight:500;transition:transform .08s ease,box-shadow .08s ease,background .2s ease;}
/* Hero 上的淺色預約鈕 */
.hero .btn-press{box-shadow:0 5px 0 #BCAF98,0 9px 16px rgba(40,37,33,.32);}
.hero .btn-press:hover{transform:translateY(-1px);box-shadow:0 6px 0 #BCAF98,0 12px 22px rgba(40,37,33,.34);}
.hero .btn-press:active{transform:translateY(5px);box-shadow:0 1px 0 #BCAF98,0 2px 6px rgba(40,37,33,.24);}
/* 底部 CTA 的深色預約鈕 */
.cta-press{box-shadow:0 5px 0 #221D18,0 9px 16px rgba(40,37,33,.3);}
.cta-press:hover{transform:translateY(-1px);box-shadow:0 6px 0 #221D18,0 12px 22px rgba(40,37,33,.32);}
.cta-press:active{transform:translateY(5px);box-shadow:0 1px 0 #221D18,0 2px 6px rgba(40,37,33,.22);}
@media (prefers-reduced-motion:reduce){.btn-press,.btn-press:hover,.btn-press:active{transform:none;}}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.85);font-size:11px;letter-spacing:.3em;writing-mode:vertical-rl;opacity:.85;}
.scroll-hint::after{content:"";display:block;width:1px;height:46px;background:rgba(255,255,255,.7);margin:12px auto 0;animation:scrolly 2s ease-in-out infinite;transform-origin:top;}
@keyframes scrolly{0%,100%{transform:scaleY(.3);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ---------------- Section base ---------------- */
section{position:relative;}
.section{padding:96px 0;}
.sec-head{margin-bottom:46px;}
.sec-head .en{font-family:"Cormorant Garamond",serif;font-size:15px;letter-spacing:.4em;color:var(--taupe-deep);text-transform:uppercase;}
.sec-head h2{font-family:"Noto Serif TC",serif;font-weight:600;font-size:clamp(24px,4.4vw,34px);letter-spacing:.05em;margin:8px 0 0;}
.sec-head.center{text-align:center;}
.sec-head .lead{color:var(--ink-soft);font-weight:300;max-width:34em;margin:14px auto 0;}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------------- About ---------------- */
.about{background:var(--paper-2);}
.about .grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:860px){.about .grid{grid-template-columns:1.05fr .95fr;gap:64px;}}
.about .ph{aspect-ratio:4/5;border-radius:18px;background:linear-gradient(150deg,#DCD3C2,#C8BCA6);box-shadow:var(--shadow);position:relative;overflow:hidden;}
.about .ph img{width:100%;height:100%;object-fit:cover;}
.about .ph .tag{position:absolute;left:18px;bottom:16px;color:rgba(58,55,51,.5);font-size:12px;letter-spacing:.1em;}
.about p{color:var(--ink-soft);font-size:16.5px;margin:0 0 18px;font-weight:300;}
.about p strong{color:var(--ink);font-weight:500;}
.about .more{display:inline-flex;align-items:center;gap:8px;margin-top:8px;color:var(--ink);letter-spacing:.1em;border-bottom:1px solid var(--taupe-deep);padding-bottom:3px;}

/* ---------------- Works ---------------- */
.works-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
@media(min-width:760px){.works-grid{grid-template-columns:repeat(4,1fr);}}
/* 品牌差異三卡 */
.brand-diff{padding-top:84px;}
.brand-tri{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:760px){.brand-tri{grid-template-columns:repeat(3,1fr);}}
.bt{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow);}
.bt .n{font-family:"Cormorant Garamond",serif;font-size:26px;color:var(--taupe-deep);line-height:1;}
.bt h3{font-family:"Noto Serif TC",serif;font-size:18px;font-weight:600;letter-spacing:.04em;margin:12px 0 9px;}
.bt p{color:var(--ink-soft);font-weight:300;font-size:14.5px;margin:0;}
/* 服務卡「適合誰」一句話 */
.svc .fit{display:block;font-size:12.5px;color:var(--taupe-deep);letter-spacing:.02em;margin:10px 0 4px;}

/* 首頁設計經歷：一排一個方形相簿，隨機呈現 */
.home-works{display:grid;grid-template-columns:1fr;gap:20px;max-width:560px;margin:0 auto;}
.hw{position:relative;display:block;border-radius:16px;overflow:hidden;aspect-ratio:1;background:var(--paper-2);box-shadow:var(--shadow);
  opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
.hw.in{opacity:1;transform:none;}
.hw img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1);}
.hw:hover img{transform:scale(1.05);}
.hw .cap{position:absolute;inset:auto 0 0 0;padding:36px 18px 16px;background:linear-gradient(transparent,rgba(40,37,33,.66));}
.hw .cap .zh{display:block;font-family:"Noto Serif TC",serif;font-size:18px;font-weight:600;letter-spacing:.08em;color:#fff;}
.hw .cap .sub{display:block;font-size:12px;font-weight:300;letter-spacing:.06em;color:rgba(255,255,255,.8);margin-top:3px;}
.home-more{text-align:center;margin-top:30px;}
@media (prefers-reduced-motion:reduce){.hw{opacity:1;transform:none;}}
.work{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:3/4;background:var(--paper-2);box-shadow:var(--shadow);display:block;}
.work .imgph{position:absolute;inset:0;background:linear-gradient(160deg,#DDD4C4,#C4B8A2);transition:transform .8s cubic-bezier(.2,.7,.2,1);}
.work img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1);}
.work:hover .imgph,.work:hover img{transform:scale(1.06);}
.work .cap{position:absolute;inset:auto 0 0 0;z-index:2;padding:22px 18px 18px;background:linear-gradient(transparent,rgba(40,37,33,.55));color:#fff;}
.work .cap .en{font-family:"Cormorant Garamond",serif;font-size:13px;letter-spacing:.28em;opacity:.85;}
.work .cap .zh{font-family:"Noto Serif TC",serif;font-size:19px;font-weight:600;letter-spacing:.1em;margin-top:2px;}
.work .arr{position:absolute;top:14px;right:14px;z-index:2;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.85);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:15px;opacity:0;transform:translateY(-6px);transition:opacity .3s,transform .3s;}
.work:hover .arr{opacity:1;transform:none;}

/* ---------------- Services ---------------- */
.services{background:var(--ink);color:var(--paper);}
.services .sec-head .en{color:var(--taupe);}
.services .sec-head h2{color:var(--paper);}
.services .sec-head .lead{color:rgba(242,239,234,.7);}
.svc-grid{display:grid;grid-template-columns:1fr;gap:1px;background:rgba(242,239,234,.12);border:1px solid rgba(242,239,234,.12);border-radius:18px;overflow:hidden;}
@media(min-width:820px){.svc-grid{grid-template-columns:repeat(3,1fr);}}
.svc{background:var(--ink);padding:38px 30px;transition:background .3s;display:block;}
.svc:hover{background:#322F2B;}
.svc .no{font-family:"Cormorant Garamond",serif;font-size:30px;color:var(--taupe);letter-spacing:.05em;}
.svc h3{font-family:"Noto Serif TC",serif;font-size:20px;font-weight:600;margin:14px 0 10px;letter-spacing:.08em;}
.svc p{color:rgba(242,239,234,.66);font-size:14.5px;font-weight:300;margin:0 0 18px;}
.svc .go{font-size:13px;letter-spacing:.2em;color:var(--taupe);}

/* ---------------- Journal (新手) ---------------- */
.journal .post-row{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:720px){.journal .post-row{grid-template-columns:repeat(3,1fr);}}
.jpost{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s;display:flex;flex-direction:column;min-height:180px;}
.jpost:hover{transform:translateY(-3px);border-color:var(--taupe);}
.jpost .cat{font-size:11px;letter-spacing:.18em;color:var(--taupe-deep);font-weight:600;}
.jpost h3{font-family:"Noto Serif TC",serif;font-size:18px;font-weight:600;margin:8px 0 8px;letter-spacing:.04em;}
.jpost p{color:var(--muted);font-size:13.5px;font-weight:300;margin:0;flex:1;}
.jpost .go{margin-top:14px;color:var(--ink);font-size:13px;letter-spacing:.14em;}
.journal .all{text-align:center;margin-top:40px;}

/* ---------------- CTA / Contact ---------------- */
.cta{background:var(--paper-2);text-align:center;}
.cta h2{font-family:"Noto Serif TC",serif;font-weight:600;font-size:clamp(24px,5vw,38px);letter-spacing:.05em;margin:0 0 16px;}
.cta p{color:var(--ink-soft);font-weight:300;margin:0 auto 30px;max-width:30em;}
.cta .info{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 30px;margin-top:34px;color:var(--ink-soft);font-size:14px;}
.cta .info a{border-bottom:1px solid var(--taupe);}

/* ---------------- Footer ---------------- */
.footer{background:var(--ink);color:rgba(242,239,234,.7);padding:54px 0 30px;font-size:13px;}
.footer .grid{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:flex-start;}
.footer .fb-zh{font-family:"Noto Serif TC",serif;font-size:18px;letter-spacing:.34em;color:var(--paper);}
.footer .fb-en{font-family:"Cormorant Garamond",serif;letter-spacing:.4em;color:var(--taupe);font-size:13px;margin-top:6px;}
.footer .finfo{display:flex;flex-direction:column;gap:5px;font-size:12.5px;line-height:1.7;color:rgba(242,239,234,.7);letter-spacing:.04em;}
@media(min-width:560px){.footer .finfo{text-align:right;}}
.footer .finfo a{color:rgba(242,239,234,.7);border-bottom:1px solid rgba(197,187,172,.4);}
.footer .finfo a:hover{color:var(--paper);}
.footer .copy{margin-top:34px;padding-top:20px;border-top:1px solid rgba(242,239,234,.12);color:rgba(242,239,234,.45);letter-spacing:.06em;font-size:12px;}

/* back to top */
.to-top{position:fixed;right:20px;bottom:20px;z-index:60;width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--paper);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;box-shadow:var(--shadow);}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--taupe-deep);}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;} .reveal{opacity:1;transform:none;}}