/* ===========================================================
   苔間 KOKEMA — 室內植栽與苔玉選物
   設計語彙:Japandi 侘寂 wabi-sabi
   霧灰綠 × 陶土 × 米白・大量留白・細線・自然材質
   =========================================================== */

:root{
  --cream:#f5f1e8;
  --paper:#faf7f0;
  --greige:#e3ddd0;
  --sage:#8a9a82;
  --sage-deep:#5f6f57;
  --moss:#4a5742;
  --clay:#b08161;
  --clay-deep:#8a5c40;
  --ink:#33302a;
  --ink-soft:#5b564d;
  --line:#cfc7b8;
  --max:1180px;
  --serif:"Noto Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","PingFang TC","Helvetica Neue",sans-serif;
  --latin:"Cormorant Garamond",Georgia,serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.02em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}

/* ---------- 標題 ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.4;letter-spacing:.04em;color:var(--ink)}
.kicker{
  font-family:var(--latin);
  font-size:.78rem;letter-spacing:.42em;text-transform:uppercase;
  color:var(--sage-deep);font-weight:600;margin-bottom:1.1rem;
  display:inline-block;
}
.section-title{font-size:1.9rem;margin-bottom:1.1rem}
.lead{font-size:1.08rem;color:var(--ink-soft);max-width:46ch}

/* ---------- 導覽 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(245,241,232,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:38px;height:38px}
.brand .name{font-family:var(--serif);font-size:1.3rem;letter-spacing:.18em;font-weight:600}
.brand .en{font-family:var(--latin);font-size:.7rem;letter-spacing:.36em;color:var(--sage-deep);display:block;margin-top:2px}
.navlinks{display:flex;gap:34px;align-items:center}
.navlinks a{
  font-size:.92rem;letter-spacing:.12em;color:var(--ink-soft);
  position:relative;padding:4px 0;transition:color .25s;
}
.navlinks a:hover,.navlinks a[aria-current="page"]{color:var(--moss)}
.navlinks a[aria-current="page"]::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--clay);
}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* ---------- 按鈕 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.9rem;letter-spacing:.14em;
  padding:14px 30px;border:1px solid var(--moss);
  color:var(--moss);background:transparent;cursor:pointer;
  transition:all .3s ease;border-radius:1px;
}
.btn:hover{background:var(--moss);color:var(--paper)}
.btn-solid{background:var(--moss);color:var(--paper)}
.btn-solid:hover{background:var(--clay-deep);border-color:var(--clay-deep)}
.btn .arrow{font-family:var(--latin);font-size:1.1rem}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden}
.hero-img{position:relative;height:78vh;min-height:520px}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(51,48,42,.42),rgba(51,48,42,.05) 60%)}
.hero-text{
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  color:var(--paper);max-width:560px;padding:0 28px;z-index:2;
}
.hero-text .kicker{color:#dfe4d4}
.hero-text h1{color:var(--paper);font-size:3rem;line-height:1.32;margin-bottom:1.3rem;text-shadow:0 1px 18px rgba(0,0,0,.25)}
.hero-text p{color:#f0ede4;font-size:1.12rem;max-width:40ch;margin-bottom:2rem}

/* ---------- 區塊通用 ---------- */
section{padding:96px 0}
.section-sm{padding:64px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split img{border-radius:2px;box-shadow:0 24px 60px -30px rgba(51,48,42,.4)}
.center{text-align:center}
.center .lead{margin:0 auto}
.divider{width:46px;height:1px;background:var(--clay);margin:1.4rem 0}
.center .divider{margin:1.4rem auto}

/* ---------- 理念三欄 ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px}
.pillar{padding:36px 30px;background:var(--paper);border:1px solid var(--line);border-radius:2px}
.pillar .ico{width:44px;height:44px;margin-bottom:20px;color:var(--sage-deep)}
.pillar h3{font-size:1.18rem;margin-bottom:.6rem}
.pillar p{color:var(--ink-soft);font-size:.96rem}

/* ---------- 商品卡 ---------- */
.bg-paper{background:var(--paper)}
.grid-products{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-top:54px}
.card{background:var(--cream);border:1px solid var(--line);border-radius:2px;overflow:hidden;transition:transform .35s ease,box-shadow .35s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 26px 50px -34px rgba(51,48,42,.5)}
.card .ph{aspect-ratio:1/1;overflow:hidden;background:var(--greige)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .ph img{transform:scale(1.05)}
.card .body{padding:24px 24px 28px}
.card .tag{font-family:var(--latin);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--sage-deep)}
.card h3{font-size:1.22rem;margin:.5rem 0 .5rem}
.card p{font-size:.9rem;color:var(--ink-soft);margin-bottom:1.1rem;min-height:3.2em}
.card .price{font-family:var(--latin);font-size:1.35rem;color:var(--clay-deep);font-weight:600}
.card .row{display:flex;align-items:center;justify-content:space-between}
.card .add{font-size:.82rem;letter-spacing:.12em;border:1px solid var(--moss);color:var(--moss);padding:9px 16px;cursor:pointer;background:none;transition:.3s;border-radius:1px}
.card .add:hover{background:var(--moss);color:var(--paper)}

/* ---------- 內容文字頁 ---------- */
.article{max-width:760px;margin:0 auto}
.article h2{font-size:1.5rem;margin:2.6rem 0 1rem}
.article h3{font-size:1.18rem;margin:1.8rem 0 .6rem;color:var(--moss)}
.article p{margin-bottom:1.2rem;color:var(--ink-soft)}
.article ul{margin:0 0 1.4rem 1.3rem;color:var(--ink-soft)}
.article li{margin-bottom:.5rem}
.article .note{background:var(--paper);border-left:3px solid var(--sage);padding:18px 24px;margin:1.6rem 0;border-radius:0 2px 2px 0}
.figure{margin:2rem 0}
.figure figcaption{font-size:.84rem;color:var(--sage-deep);margin-top:.7rem;text-align:center;letter-spacing:.08em}

/* ---------- 麵包屑 ---------- */
.crumbs{font-size:.82rem;letter-spacing:.1em;color:var(--ink-soft);padding:22px 0 0}
.crumbs a:hover{color:var(--moss)}
.crumbs span{color:var(--clay)}

/* ---------- 頁首小帶 ---------- */
.pagehead{background:var(--paper);border-bottom:1px solid var(--line);padding:54px 0 60px}
.pagehead .kicker{margin-bottom:.8rem}
.pagehead h1{font-size:2.4rem}
.pagehead p{color:var(--ink-soft);margin-top:1rem;max-width:52ch}

/* ---------- 表單 ---------- */
.form{display:grid;gap:20px;max-width:560px}
.form label{font-size:.86rem;letter-spacing:.1em;color:var(--ink-soft);display:block;margin-bottom:8px}
.form input,.form textarea,.form select{
  width:100%;padding:13px 16px;border:1px solid var(--line);background:var(--paper);
  font-family:var(--sans);font-size:.96rem;color:var(--ink);border-radius:2px;
}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--sage)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.info-row{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start}
.info-row .ico{width:22px;height:22px;color:var(--sage-deep);flex:none;margin-top:3px}
.info-row b{font-family:var(--serif);font-weight:600;display:block;margin-bottom:2px}
.info-row span{color:var(--ink-soft);font-size:.94rem}

/* ---------- 頁尾 ---------- */
footer{background:var(--moss);color:#e7e3d6;padding:72px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14)}
footer .brand .name{color:var(--paper)}
footer .brand .en{color:#b9c2ab}
footer .brand img{filter:brightness(1.45) saturate(.85)}
footer p{color:#c7c8b8;font-size:.92rem;margin-top:18px;max-width:34ch}
footer h4{font-family:var(--serif);font-size:1rem;letter-spacing:.1em;margin-bottom:18px;color:var(--paper)}
footer ul{list-style:none}
footer ul li{margin-bottom:11px}
footer ul a{color:#c7c8b8;font-size:.92rem;transition:color .25s}
footer ul a:hover{color:var(--paper)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;flex-wrap:wrap;gap:10px}
.foot-bottom small{color:#aeb2a1;font-size:.82rem;letter-spacing:.04em}
.foot-bottom .credit{color:#aeb2a1;font-size:.82rem}

/* ---------- 動畫 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 404 ---------- */
.nf{min-height:62vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 28px}
.nf .big{font-family:var(--latin);font-size:6rem;color:var(--sage);line-height:1}
.nf h1{font-size:1.8rem;margin:1rem 0 .6rem}
.nf p{color:var(--ink-soft);margin-bottom:2rem}

/* ---------- RWD ---------- */
@media(max-width:860px){
  .navlinks{
    position:fixed;inset:74px 0 auto 0;background:var(--cream);
    flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:transform .35s ease;
  }
  .navlinks.open{transform:none}
  .navlinks a{padding:15px 28px;width:100%;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .split,.contact-grid{grid-template-columns:1fr;gap:38px}
  .pillars{grid-template-columns:1fr;gap:22px}
  .grid-products{grid-template-columns:1fr 1fr;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-text h1{font-size:2.2rem}
  .section-title{font-size:1.6rem}
  section{padding:68px 0}
}
@media(max-width:520px){
  .grid-products{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-text h1{font-size:1.9rem}
  .hero-img{height:70vh}
}