/* ==========================================================
   客製獎盃網站 — 共用樣式
   色彩：松石墨綠 / 黃銅金 / 亞麻紙白 / 酒紅
   ========================================================== */

:root{
  --ink:#1F3A34;          /* 主色 松石墨綠 */
  --ink-deep:#152722;     /* 更深一階，用於漸層底 */
  --brass:#B08D57;        /* 強調色 黃銅金 */
  --brass-lt:#C9A97A;
  --paper:#F4F5F0;        /* 背景 亞麻紙白 */
  --paper-alt:#EBEDE6;    /* 次層背景 */
  --wine:#7A2E2E;         /* 極少量點綴 */
  --text:#2B2B28;         /* 內文 */
  --muted:#5E635C;        /* 次要文字 */
  --line:#D8DBD4;         /* 邊框 */
  --white:#FFFFFF;

  --serif:'Noto Serif TC', serif;
  --sans:'Noto Sans TC', system-ui, sans-serif;
  --mono-num:'Fraunces','Noto Serif TC',serif;

  --wrap:1180px;
  --radius:3px;
  --shadow-s:0 1px 3px rgba(31,58,52,.07);
  --shadow-m:0 6px 24px rgba(31,58,52,.10);
  --shadow-l:0 18px 48px rgba(31,58,52,.16);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--text);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.4;color:var(--ink);}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}

/* ---------- 通用元件 ---------- */
.eyebrow{
  font-family:var(--mono-num);
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brass);font-weight:600;
  display:flex;align-items:center;gap:12px;margin-bottom:14px;
}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--brass);}
.eyebrow.center{justify-content:center;}

.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:34px;letter-spacing:.02em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border:1px solid transparent;border-radius:var(--radius);
  font-family:var(--sans);font-size:15px;font-weight:500;letter-spacing:.05em;
  cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.btn-primary{background:var(--brass);color:var(--white);}
.btn-primary:hover{background:#9C7A47;}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:var(--paper);}
.btn-ghost-light{border-color:rgba(244,245,240,.45);color:var(--paper);}
.btn-ghost-light:hover{background:rgba(244,245,240,.12);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* 待客戶提供的內容：demo 階段用虛線標出，正式上線前應全部填實 */
.todo{
  display:inline-block;font-family:var(--sans);font-size:13px;font-weight:400;
  letter-spacing:.04em;color:#8A6C3C;background:rgba(176,141,87,.10);
  border:1px dashed rgba(176,141,87,.65);border-radius:2px;padding:1px 9px;
  line-height:1.7;white-space:nowrap;
}
.hero-facts .todo,.price-band .todo{font-size:14px;}
.preview .todo,.page-head .todo,.cta-band .todo,.hero-caption .todo,footer .todo{
  color:var(--brass-lt);background:rgba(176,141,87,.14);border-color:rgba(201,169,122,.6);
}

.tag{
  display:inline-block;padding:3px 11px;border-radius:2px;
  font-size:12px;letter-spacing:.08em;
  background:rgba(176,141,87,.14);color:#8A6C3C;
}
.tag-wine{background:rgba(122,46,46,.10);color:var(--wine);}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(244,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:2px;
  background:var(--ink);display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:19px;height:19px;}
.brand-name{font-family:var(--serif);font-weight:700;font-size:18px;letter-spacing:.10em;color:var(--ink);}
.brand-sub{font-family:var(--mono-num);font-size:10px;letter-spacing:.20em;color:var(--muted);text-transform:uppercase;}

.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  font-size:15px;color:var(--text);padding:4px 0;
  border-bottom:1.5px solid transparent;transition:border-color .2s,color .2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink);border-bottom-color:var(--brass);}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:2px;padding:7px 10px;cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--ink);margin:4px 0;}

/* ---------- Hero（首頁） ---------- */
.hero{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;
  padding:88px 0 96px;
}
.hero h1{font-size:clamp(34px,4.4vw,54px);letter-spacing:.03em;line-height:1.28;}
.hero h1 em{font-style:normal;color:var(--brass);}
.hero-lead{margin-top:22px;font-size:17px;color:var(--muted);max-width:460px;}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap;}
.hero-facts{
  display:flex;gap:40px;margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
}
.hero-facts div span{
  display:block;font-family:var(--mono-num);font-size:26px;color:var(--ink);font-weight:600;line-height:1.2;
}
.hero-facts div small{font-size:13px;color:var(--muted);letter-spacing:.04em;}

.hero-visual{
  position:relative;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--ink) 0%,var(--ink-deep) 100%);
  padding:56px 40px;box-shadow:var(--shadow-l);
}
.hero-visual::after{
  content:'';position:absolute;inset:14px;border:1px solid rgba(176,141,87,.30);pointer-events:none;
}
.hero-visual img{margin:0 auto;max-height:420px;}
.hero-caption{
  position:absolute;left:0;right:0;bottom:-1px;
  background:rgba(21,39,34,.92);border-top:1px solid rgba(176,141,87,.3);
  padding:12px 24px;display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(244,245,240,.82);letter-spacing:.05em;
}
.hero-caption b{font-family:var(--mono-num);color:var(--brass-lt);font-weight:600;}

/* ---------- 分類卡片網格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card-grid.four{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brass);}
.card-media{
  background:linear-gradient(165deg,var(--ink) 0%,var(--ink-deep) 100%);
  padding:34px 20px;display:flex;align-items:center;justify-content:center;min-height:220px;
}
.card-media img{max-height:170px;}
.card-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;}
.card-body h3{font-size:20px;letter-spacing:.03em;}
.card-body p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.75;flex:1;}
.card-meta{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.card-meta b{font-family:var(--mono-num);color:var(--ink);font-weight:600;}
.card-link{color:var(--brass);font-size:14px;letter-spacing:.05em;}

/* ---------- 流程時間軸 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);}
.flow-step{padding:34px 28px 34px 0;border-right:1px solid var(--line);position:relative;}
.flow-step:last-child{border-right:none;padding-right:0;}
.flow-step:not(:first-child){padding-left:28px;}
.flow-step::before{
  content:'';position:absolute;top:-4px;left:0;width:7px;height:7px;border-radius:50%;
  background:var(--brass);
}
.flow-step:not(:first-child)::before{left:28px;}
.flow-num{font-family:var(--mono-num);font-size:13px;letter-spacing:.2em;color:var(--brass);}
.flow-step h3{font-size:19px;margin:10px 0 8px;}
.flow-step p{font-size:14.5px;color:var(--muted);}
.flow-step small{display:block;margin-top:12px;font-size:12.5px;color:var(--ink);letter-spacing:.04em;}

/* ---------- 合作單位牆 ---------- */
.logo-wall{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);background:var(--white);
}
.logo-wall div{
  padding:26px 18px;text-align:center;font-size:15px;color:var(--ink);
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  font-family:var(--serif);letter-spacing:.05em;
}
.logo-wall div:nth-child(4n){border-right:none;}
.logo-wall div:nth-last-child(-n+4){border-bottom:none;}

/* ---------- 客製預覽（簽名元素） ---------- */
.preview{background:var(--ink);color:var(--paper);}
.preview h2,.preview h3{color:var(--paper);}
.preview .section-head p{color:rgba(244,245,240,.72);}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}

.stage{
  position:relative;background:linear-gradient(170deg,#24443C 0%,#152722 100%);
  border:1px solid rgba(176,141,87,.35);border-radius:var(--radius);
  padding:40px 30px;min-height:460px;
  display:flex;align-items:center;justify-content:center;
}
.stage-inner{position:relative;width:340px;max-width:100%;}
.stage-inner img{width:100%;}
/* 銘牌疊字層：座標以圖片百分比定位，換產品只需改 --plate-* 變數 */
.plate{
  position:absolute;
  left:var(--plate-x,50%);
  top:var(--plate-y,74%);
  width:var(--plate-w,60%);
  transform:translate(-50%,-50%);
  text-align:center;
  padding:6px 4px;
  pointer-events:none;
}
.plate-line{
  font-family:var(--serif);font-weight:700;
  color:var(--plate-color,#3B2E18);
  letter-spacing:.06em;line-height:1.35;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  text-shadow:0 1px 0 rgba(255,255,255,.35);
}
.plate-line.l1{font-size:var(--l1-size,15px);}
.plate-line.l2{font-size:var(--l2-size,11px);margin-top:2px;font-weight:400;letter-spacing:.1em;}
.plate-line.l3{font-size:var(--l3-size,10px);margin-top:1px;font-weight:400;opacity:.85;font-family:var(--mono-num);}
.stage-hint{
  position:absolute;left:20px;bottom:16px;font-size:12px;letter-spacing:.08em;
  color:rgba(244,245,240,.55);
}

.form-field{margin-bottom:20px;}
.form-field label{
  display:block;font-size:13.5px;letter-spacing:.08em;margin-bottom:8px;color:var(--text);
}
.preview .form-field label{color:rgba(244,245,240,.8);}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;font-family:var(--sans);font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--white);color:var(--text);
}
.preview .form-field input,.preview .form-field select{
  background:rgba(244,245,240,.06);border-color:rgba(244,245,240,.25);color:var(--paper);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brass);
}
.form-field .help{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);}
.preview .form-field .help{color:rgba(244,245,240,.55);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

.swatches{display:flex;gap:10px;margin-top:4px;}
.swatch{
  width:32px;height:32px;border-radius:2px;border:1px solid rgba(244,245,240,.35);
  cursor:pointer;transition:transform .15s,box-shadow .15s;
}
.swatch[aria-pressed="true"]{box-shadow:0 0 0 2px var(--brass);transform:scale(1.06);}

/* ---------- 產品列表頁 ---------- */
.page-head{
  background:linear-gradient(155deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:var(--paper);padding:64px 0 60px;
}
.page-head h1{color:var(--paper);font-size:38px;letter-spacing:.03em;}
.page-head p{margin-top:14px;color:rgba(244,245,240,.75);max-width:560px;font-size:15.5px;}
.crumb{font-size:13px;color:rgba(244,245,240,.6);margin-bottom:18px;letter-spacing:.06em;}
.crumb a:hover{color:var(--brass-lt);}

.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 34px;
  border-bottom:1px solid var(--line);margin-bottom:38px;
}
.filter-btn{
  padding:8px 18px;border:1px solid var(--line);background:var(--white);
  border-radius:2px;font-family:var(--sans);font-size:14px;color:var(--text);cursor:pointer;
  transition:all .18s;
}
.filter-btn:hover{border-color:var(--brass);}
.filter-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.result-count{margin-left:auto;align-self:center;font-size:13.5px;color:var(--muted);}

/* ---------- 產品詳細頁 ---------- */
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:56px 0 80px;align-items:start;}
.pd-info h1{font-size:32px;letter-spacing:.03em;}
.pd-sku{font-family:var(--mono-num);font-size:13px;letter-spacing:.14em;color:var(--brass);margin-bottom:10px;}
.pd-lead{margin-top:14px;color:var(--muted);font-size:15.5px;}
.spec-table{width:100%;border-collapse:collapse;margin-top:28px;font-size:14.5px;}
.spec-table th,.spec-table td{padding:12px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.spec-table th{width:110px;font-weight:500;color:var(--muted);letter-spacing:.06em;}
.spec-table td{color:var(--text);}
.price-band{
  margin-top:26px;padding:20px 22px;background:var(--white);border:1px solid var(--line);
  border-left:3px solid var(--brass);
}
.price-band strong{font-family:var(--mono-num);font-size:24px;color:var(--ink);font-weight:600;}
.price-band span{font-size:13.5px;color:var(--muted);display:block;margin-top:4px;}
.pd-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}

/* ---------- 表單卡 ---------- */
.form-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 36px;box-shadow:var(--shadow-s);
}
.form-card h3{font-size:22px;margin-bottom:6px;}
.form-card > p{font-size:14.5px;color:var(--muted);margin-bottom:26px;}
.form-note{margin-top:16px;font-size:13px;color:var(--muted);}
.form-ok,.form-err{
  display:none;margin-top:18px;padding:14px 16px;font-size:14.5px;
  background:rgba(31,58,52,.06);border-left:3px solid var(--ink);
}
.form-err{background:rgba(122,46,46,.07);border-left-color:var(--wine);color:var(--wine);}
.form-ok.show,.form-err.show{display:block;}
.btn:disabled{opacity:.6;cursor:progress;}
/* 蜜罐欄位：不顯示給使用者，機器人填了就擋掉 */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}

/* ---------- 聯絡資訊 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start;}
.info-list{list-style:none;}
.info-list li{padding:18px 0;border-bottom:1px solid var(--line);}
.info-list li:first-child{padding-top:0;}
.info-list strong{display:block;font-size:13px;letter-spacing:.12em;color:var(--brass);margin-bottom:5px;font-family:var(--mono-num);text-transform:uppercase;}
.info-list span{font-size:15.5px;color:var(--text);}

/* ---------- 案例 ---------- */
.case-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.case{background:var(--white);border:1px solid var(--line);padding:28px 30px;}
.case h3{font-size:19px;}
.case .tag{margin-bottom:12px;}
.case p{margin-top:10px;font-size:14.5px;color:var(--muted);}
.case dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin-top:16px;font-size:14px;}
.case dt{color:var(--muted);}
.case dd{color:var(--text);}

/* ---------- CTA 帶 ---------- */
.cta-band{
  background:linear-gradient(150deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:var(--paper);padding:64px 0;text-align:center;
}
.cta-band h2{color:var(--paper);font-size:30px;}
.cta-band p{margin-top:12px;color:rgba(244,245,240,.75);}
.cta-band .hero-actions{justify-content:center;}

/* ---------- Footer ---------- */
footer{background:var(--ink-deep);color:rgba(244,245,240,.72);padding:64px 0 28px;font-size:14.5px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
footer h4{color:var(--paper);font-size:15px;letter-spacing:.1em;margin-bottom:16px;}
footer ul{list-style:none;}
footer li{margin-bottom:9px;}
footer a:hover{color:var(--brass-lt);}
.foot-brand p{margin-top:14px;max-width:280px;line-height:1.8;font-size:14px;}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(244,245,240,.12);
  display:flex;justify-content:space-between;font-size:13px;color:rgba(244,245,240,.5);
}

/* ---------- RWD ---------- */
@media (max-width:980px){
  .hero-grid,.preview-grid,.pd-grid,.contact-grid{grid-template-columns:1fr;gap:40px;}
  .card-grid,.card-grid.four{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step{border-bottom:1px solid var(--line);padding-right:24px;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .logo-wall div:nth-child(2n){border-right:none;}
  .logo-wall div:nth-child(4n+1){border-right:1px solid var(--line);}
  .case-list{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:680px){
  .section{padding:64px 0;}
  .nav-links{
    display:none;position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);padding:8px 28px 18px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 0;width:100%;border-bottom:1px solid var(--line);}
  .nav-toggle{display:block;}
  .card-grid,.card-grid.four,.flow,.logo-wall,.field-row{grid-template-columns:1fr;}
  .flow-step,.flow-step:not(:first-child){padding-left:20px;border-right:none;}
  .flow-step::before,.flow-step:not(:first-child)::before{left:0;}
  .hero-facts{gap:24px;flex-wrap:wrap;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .form-card{padding:28px 22px;}
}