/* ============================================================
   多布麵包工廠 官網 Demo — 共用基礎樣式 (base.css)
   各版型透過 theme-*.css 覆寫 CSS 變數與少量版面差異
   ============================================================ */

/* ---- 設計變數（預設值，主題會覆寫）---- */
:root{
  --c-bg:        #FFFDF8;
  --c-surface:   #FFFFFF;
  --c-text:      #3A2E22;
  --c-muted:     #8A7B68;
  --c-primary:   #C8852F;   /* 麥金 */
  --c-primary-d: #A86A1E;
  --c-accent:    #E8743B;   /* 暖橘 */
  --c-line:      #ECE3D2;
  --c-cream:     #F7ECD6;
  --radius:      16px;
  --radius-sm:   10px;
  --shadow:      0 8px 30px rgba(80,55,20,.10);
  --shadow-sm:   0 4px 14px rgba(80,55,20,.08);
  --maxw:        1140px;
  --nav-h:       68px;
  --font: "Noto Sans TC","Microsoft JhengHei","PingFang TC",system-ui,sans-serif;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:calc(var(--nav-h) + 12px); }
body{
  margin:0; font-family:var(--font); color:var(--c-text);
  background:var(--c-bg); line-height:1.7; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ line-height:1.25; margin:0 0 .4em; font-weight:800; }
p{ margin:0 0 1em; }
.container{ width:min(100% - 40px, var(--maxw)); margin-inline:auto; }
.section{ padding:84px 0; }
.section--tint{ background:var(--c-cream); }
.center{ text-align:center; }
.muted{ color:var(--c-muted); }

/* ---- 區塊標題 ---- */
.eyebrow{
  display:inline-block; font-weight:800; letter-spacing:.12em; font-size:.8rem;
  color:var(--c-primary); background:color-mix(in srgb,var(--c-primary) 14%,transparent);
  padding:.3em .9em; border-radius:999px; margin-bottom:14px;
}
.section-title{ font-size:clamp(1.6rem,4vw,2.4rem); }
.section-lead{ max-width:620px; margin-inline:auto; color:var(--c-muted); }

/* ---- 按鈕 ---- */
.btn{
  --bg:var(--c-primary); --fg:#fff;
  display:inline-flex; align-items:center; gap:.5em; cursor:pointer;
  font-weight:800; font-size:1rem; font-family:inherit;
  padding:.85em 1.6em; border-radius:999px; border:0;
  background:var(--bg); color:var(--fg);
  box-shadow:var(--shadow-sm); transition:transform .2s var(--ease), box-shadow .2s, background .2s;
}
.btn:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.btn:active{ transform:translateY(-1px); }
.btn--ghost{ --bg:transparent; --fg:var(--c-primary); box-shadow:inset 0 0 0 2px var(--c-primary); }
.btn--accent{ --bg:var(--c-accent); }
.btn--lg{ padding:1.05em 2.1em; font-size:1.08rem; }

/* ---- 導覽列（共用）---- */
.site-header{
  position:fixed; inset:0 0 auto 0; height:var(--nav-h); z-index:50;
  display:flex; align-items:center;
  background:color-mix(in srgb,var(--c-surface) 88%,transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent; transition:background .3s, box-shadow .3s, border-color .3s;
}
.site-header.scrolled{ background:var(--c-surface); box-shadow:var(--shadow-sm); border-color:var(--c-line); }
.nav-inner{ width:min(100% - 40px,var(--maxw)); margin-inline:auto; display:flex; align-items:center; gap:18px; }
.brand{ display:flex; align-items:center; gap:10px; font-weight:900; font-size:1.15rem; }
.brand img{ width:38px; height:38px; }
.brand{ flex:none; white-space:nowrap; }
.brand small{ display:block; font-size:.66rem; font-weight:600; color:var(--c-muted); letter-spacing:.05em; white-space:nowrap; }
.nav-links{ margin-left:auto; display:flex; align-items:center; gap:6px; list-style:none; padding:0; margin:0 0 0 auto; }
.nav-links a{
  position:relative; padding:.5em .9em; border-radius:999px; font-weight:700; font-size:.95rem;
  color:var(--c-text); transition:color .2s, background .2s;
}
.nav-links a::after{
  content:""; position:absolute; left:50%; bottom:6px; width:0; height:3px; border-radius:3px;
  background:var(--c-primary); transform:translateX(-50%); transition:width .25s var(--ease);
}
.nav-links a:hover{ color:var(--c-primary); }
.nav-links a.active{ color:var(--c-primary); }
.nav-links a.active::after{ width:18px; }
.nav-cta{ margin-left:8px; }

/* 版型切換器（功能列） */
.nav-switch{ display:flex; align-items:center; gap:4px; margin-left:6px; padding-left:12px; border-left:1px solid var(--c-line); }
.nav-switch{ flex:none; }
.nav-switch .sw-label{ font-size:.78rem; font-weight:800; color:var(--c-muted); margin-right:2px; white-space:nowrap; }
.nav-switch a{ width:26px; height:26px; padding:0; display:grid; place-items:center; border-radius:8px;
  font-size:.82rem; font-weight:900; color:var(--c-muted); border:1.5px solid var(--c-line); }
.nav-switch a::after{ display:none; }
.nav-switch a:hover{ color:var(--c-primary); border-color:var(--c-primary); }
.nav-switch a.cur{ color:#fff; background:var(--c-primary); border-color:var(--c-primary); }
.nav-switch a.all{ width:auto; padding:0 8px; font-size:.78rem; }
.nav-toggle{
  display:none; margin-left:auto; width:46px; height:46px; border:0; background:transparent; cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:""; display:block; width:26px; height:3px; border-radius:3px; background:var(--c-text);
  position:relative; transition:transform .3s var(--ease), opacity .2s;
}
.nav-toggle span::before{ position:absolute; top:-8px; }
.nav-toggle span::after{ position:absolute; top:8px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform:translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ transform:translateY(-8px) rotate(-45deg); }

/* ---- HERO（共用骨架，主題覆寫外觀）---- */
.hero{ position:relative; padding:calc(var(--nav-h) + 60px) 0 80px; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center; }
.hero h1{ font-size:clamp(2rem,5.4vw,3.4rem); }
.hero .lead{ font-size:1.15rem; color:var(--c-muted); max-width:46ch; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:26px; }
.hero-art{ position:relative; display:grid; place-items:center; }
.hero-art img{ width:min(86%,360px); filter:drop-shadow(0 18px 26px rgba(120,80,20,.22)); }
.float{ animation:float 4.5s var(--ease) infinite; }
@keyframes float{ 0%,100%{ transform:translateY(0) } 50%{ transform:translateY(-14px) } }
.blob{ position:absolute; border-radius:50%; filter:blur(2px); opacity:.5; z-index:0; }

/* ---- 統計數字 ---- */
.stats{ display:flex; flex-wrap:wrap; gap:14px 36px; margin-top:34px; }
.stat b{ font-size:1.9rem; color:var(--c-primary); display:block; line-height:1; }
.stat span{ font-size:.85rem; color:var(--c-muted); }

/* ---- 通用卡片 / 網格 ---- */
.grid{ display:grid; gap:22px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.card{
  background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius);
  padding:26px; box-shadow:var(--shadow-sm); transition:transform .25s var(--ease), box-shadow .25s;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.feature-ico{
  width:56px; height:56px; border-radius:14px; display:grid; place-items:center; color:var(--c-primary);
  background:color-mix(in srgb,var(--c-primary) 12%,transparent); margin-bottom:14px;
}
.feature-ico img{ width:30px; height:30px; }

/* ---- 商品卡 + 篩選 ---- */
.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin:26px 0 34px; }
.chip{
  border:2px solid var(--c-line); background:var(--c-surface); color:var(--c-muted);
  padding:.5em 1.2em; border-radius:999px; font-weight:800; cursor:pointer; font-family:inherit;
  transition:all .2s;
}
.chip.active,.chip:hover{ border-color:var(--c-primary); color:var(--c-primary); background:color-mix(in srgb,var(--c-primary) 8%,transparent); }
.product{ overflow:hidden; padding:0; }
.product .ph{
  aspect-ratio:4/3; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--c-cream),#fff);
}
.product .ph img{ width:46%; }
.product .body{ padding:18px 20px 22px; }
.product .body h4{ margin-bottom:4px; }
.product .price{ font-weight:900; color:var(--c-accent); font-size:1.2rem; }
.product .price .unit{ font-size:.8rem; color:var(--c-muted); font-weight:700; }
.product .price s{ color:var(--c-muted); font-size:.85rem; font-weight:600; margin-left:6px; }
.badge{ display:inline-block; font-size:.72rem; font-weight:800; color:#fff; background:var(--c-accent);
  padding:.2em .7em; border-radius:999px; margin-bottom:8px; }

/* ---- FAQ 手風琴 ---- */
.faq-item{ background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius-sm); margin-bottom:12px; overflow:hidden; }
.faq-q{ width:100%; text-align:left; font-family:inherit; font-weight:800; font-size:1.02rem;
  padding:18px 22px; background:none; border:0; cursor:pointer; display:flex; justify-content:space-between; gap:12px; color:var(--c-text); }
.faq-q .pm{ flex:none; transition:transform .3s var(--ease); color:var(--c-primary); font-size:1.4rem; line-height:1; }
.faq-item.open .faq-q .pm{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .35s var(--ease); }
.faq-a > div{ padding:0 22px 20px; color:var(--c-muted); }

/* ============================================================
   步驟式訂購精靈 (Wizard) — 仿步驟導覽流程
   ============================================================ */
.wizard{ background:var(--c-surface); border:1px solid var(--c-line); border-radius:var(--radius);
  box-shadow:var(--shadow); max-width:840px; margin-inline:auto; overflow:hidden; }
.wizard-steps{ display:flex; background:var(--c-cream); padding:18px 16px; gap:6px; }
.wstep{ flex:1; display:flex; flex-direction:column; align-items:center; gap:6px; position:relative; color:var(--c-muted); font-weight:700; font-size:.82rem; text-align:center; }
.wstep .dot{ width:34px; height:34px; border-radius:50%; display:grid; place-items:center;
  background:var(--c-surface); border:2px solid var(--c-line); font-weight:900; transition:all .3s; }
.wstep:not(:last-child)::after{ content:""; position:absolute; top:17px; left:calc(50% + 22px); right:calc(-50% + 22px);
  height:2px; background:var(--c-line); z-index:0; }
.wstep.active{ color:var(--c-primary); }
.wstep.active .dot{ border-color:var(--c-primary); background:var(--c-primary); color:#fff; }
.wstep.done .dot{ border-color:var(--c-primary); background:var(--c-primary); color:#fff; }
.wstep.done:not(:last-child)::after{ background:var(--c-primary); }
.wizard-body{ padding:30px clamp(20px,4vw,40px); }
.wpanel{ display:none; animation:fade .35s var(--ease); }
.wpanel.active{ display:block; }
@keyframes fade{ from{ opacity:0; transform:translateY(8px) } to{ opacity:1; transform:none } }
.wpanel h3{ font-size:1.3rem; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-weight:800; margin-bottom:6px; font-size:.95rem; }
.field input,.field select,.field textarea{
  width:100%; font-family:inherit; font-size:1rem; padding:.8em 1em; border-radius:var(--radius-sm);
  border:2px solid var(--c-line); background:var(--c-bg); color:var(--c-text); transition:border-color .2s; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--c-primary); }
.field .err{ color:#D64545; font-size:.82rem; margin-top:4px; display:none; }
.field.invalid input,.field.invalid select{ border-color:#D64545; }
.field.invalid .err{ display:block; }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }

/* 身分選擇卡 */
.role-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:8px; }
.role{ cursor:pointer; border:2px solid var(--c-line); border-radius:var(--radius); padding:22px; text-align:center; transition:all .2s; }
.role:hover{ border-color:var(--c-primary); }
.role.sel{ border-color:var(--c-primary); background:color-mix(in srgb,var(--c-primary) 8%,transparent); }
.role .ico{ font-size:2rem; }
.role b{ display:block; font-size:1.1rem; margin:6px 0 2px; }
.role small{ color:var(--c-muted); }

/* 商品選擇列（零售 + 整箱） */
.pick{ display:flex; align-items:center; gap:14px; padding:14px 16px; border:1px solid var(--c-line); border-radius:var(--radius-sm); margin-bottom:12px; flex-wrap:wrap; }
.pick img{ width:46px; }
.pick .grow{ flex:1; min-width:160px; }
.pick-price{ font-size:.85rem; }
.pick-qtys{ display:flex; gap:18px; }
.qrow{ display:flex; flex-direction:column; gap:5px; align-items:center; }
.qlabel{ font-size:.74rem; font-weight:800; color:var(--c-muted); }
.pick .qty{ display:flex; align-items:center; gap:6px; }
.qty button{ width:30px; height:30px; border-radius:8px; border:2px solid var(--c-line); background:var(--c-surface);
  font-size:1.05rem; font-weight:900; cursor:pointer; color:var(--c-primary); line-height:1; }
.qty input{ width:44px; text-align:center; padding:.35em; font-family:inherit; font-size:.95rem;
  border:2px solid var(--c-line); border-radius:8px; background:var(--c-bg); color:var(--c-text); }

/* 即時總額條 */
.wlive{ display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap;
  margin-top:8px; padding:14px 18px; border-radius:var(--radius-sm);
  background:color-mix(in srgb,var(--c-primary) 9%,transparent); border:1px dashed var(--c-primary); }
.wlive b{ font-size:1.15rem; color:var(--c-accent); }

/* 確認頁聯絡資訊 */
.wsum-info{ margin-top:12px; padding-top:12px; border-top:1px dashed var(--c-line); font-size:.92rem; }
.wsum-info > div{ padding:3px 0; }
.wsum-info .muted{ display:inline-block; min-width:54px; }

/* 唯讀示範表單 */
.field input[readonly],.field select[readonly]{ background:color-mix(in srgb,var(--c-primary) 5%,transparent); color:var(--c-muted); cursor:default; }

.wsummary{ background:var(--c-cream); border-radius:var(--radius-sm); padding:18px 20px; }
.wsummary .row{ display:flex; justify-content:space-between; padding:6px 0; }
.wsummary .total{ border-top:1px dashed var(--c-primary); margin-top:8px; padding-top:10px; font-weight:900; font-size:1.15rem; color:var(--c-accent); }
.note{ font-size:.85rem; color:var(--c-muted); background:color-mix(in srgb,var(--c-primary) 7%,transparent);
  border-left:3px solid var(--c-primary); padding:10px 14px; border-radius:8px; }

.wizard-foot{ display:flex; justify-content:space-between; gap:12px; padding:0 clamp(20px,4vw,40px) 30px; }
.wdone{ text-align:center; padding:20px 0; }
.wdone .check{ width:84px; height:84px; margin:0 auto 16px; border-radius:50%; background:#E8F6EC;
  display:grid; place-items:center; color:#2FA85A; }
.wdone .check svg{ width:44px; height:44px; }

/* ---- 回頂端 ---- */
.to-top{ position:fixed; right:22px; bottom:22px; width:48px; height:48px; border-radius:50%; border:0;
  background:var(--c-primary); color:#fff; font-size:1.3rem; cursor:pointer; box-shadow:var(--shadow);
  opacity:0; pointer-events:none; transform:translateY(12px); transition:all .3s var(--ease); z-index:40; }
.to-top.show{ opacity:1; pointer-events:auto; transform:none; }

/* ---- 頁尾 ---- */
.site-footer{ background:#2C2017; color:#E9DDCB; padding:54px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:30px; }
.site-footer a:hover{ color:#fff; }
.site-footer h4{ color:#fff; }
.footer-grid ul{ list-style:none; padding:0; margin:0; }
.footer-grid li{ padding:4px 0; color:#C7B7A1; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top:30px; padding-top:18px;
  text-align:center; color:#A99680; font-size:.85rem; }

/* ---- 捲動淡入 ---- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s } .reveal.d2{ transition-delay:.16s } .reveal.d3{ transition-delay:.24s }

/* ============================================================
   RWD 響應式
   ============================================================ */
@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; text-align:center; }
  .hero .lead{ margin-inline:auto; }
  .hero-cta{ justify-content:center; }
  .stats{ justify-content:center; }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:760px){
  .section{ padding:60px 0; }
  .nav-toggle{ display:block; }
  .nav-links{
    position:fixed; inset:var(--nav-h) 0 auto 0; flex-direction:column; gap:2px; margin:0;
    align-items:center;
    background:var(--c-surface); border-bottom:1px solid var(--c-line); box-shadow:var(--shadow);
    padding:10px 16px 18px; transform:translateY(-130%); transition:transform .35s var(--ease); z-index:45;
  }
  .nav-links.open{ transform:none; }
  .nav-links li{ width:100%; display:flex; justify-content:center; }
  .nav-links a{ width:auto; padding:.5em 1.2em; border-radius:999px; }
  .nav-links a.active::after{ display:none; }
  .nav-links a.active{ background:color-mix(in srgb,var(--c-primary) 12%,transparent); }
  .nav-cta{ margin:6px 0 0; }
  .nav-switch{ width:100%; margin:8px 0 0; padding:12px 0 0; border-left:0; border-top:1px solid var(--c-line); justify-content:center; gap:8px; }
  .nav-switch .sw-label{ flex:none; }
  .nav-switch a{ width:40px; height:34px; padding:0; }
  .nav-switch a.all{ width:auto; padding:0 12px; }
  .grid-3,.grid-4{ grid-template-columns:1fr; }
  .two-col{ grid-template-columns:1fr; }
  .role-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .wizard-steps .wstep span.lbl{ display:none; }   /* 手機只留步驟圓點 */
  .wstep:not(:last-child)::after{ left:calc(50% + 18px); right:calc(-50% + 18px); }
}
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
}