/* ============================================================
   掌席 AI｜LINE 訂位與客服系統 — Landing Page Stylesheet
   設計語彙：水墨書卷（水墨山水的墨色留白 ＋ 雅致書卷的溫潤與印信）
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@500;700;900&family=Noto+Sans+TC:wght@300;400;500;600;700&family=Source+Serif+4:ital,wght@1,500;1,600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* ---- color tokens ----
     墨（ink）：近黑的暖灰墨色，取代一般AI慣用的正黑或墨綠
     宣（paper）：做舊宣紙米色，帶一點灰調而非純暖黃
     松（pine）：山水間的沉靜松綠，作為主要按鈕與行動色
     印（seal）：印信硃砂紅，僅作點綴──強調字、數字、小圓點
  ------------------------------------------------------------ */
  --ink:      #24211C;   /* 墨色 - 標題／深色區塊 */
  --ink-2:    #16140F;   /* 重墨 - 最深色背景 */
  --paper:    #F1EADB;   /* 宣紙米白 - 底色 */
  --paper-2:  #E6DCC5;   /* 較深宣紙 - 區塊交替 */
  --paper-3:  #FAF6EC;   /* 卡片用紙 */
  --line:     #D2C3A4;   /* 墨線／宣紙摺痕 */
  --line-soft:#E2D6BC;
  --pine:     #33503E;   /* 松綠 - CTA主色 */
  --pine-2:   #223A2C;   /* 深松綠 hover */
  --seal:     #A23A28;   /* 硃砂印信紅 - 強調色，節制使用 */
  --seal-2:   #7C2B1E;
  --seal-mist:rgba(162,58,40,.32);
  --ink-soft: #5B5346;   /* 內文灰墨 */
  --ink-faint:#8F856E;
  --white:    #FFFFFF;
  --cream-card: #FBF7EC;
  --shadow:   rgba(30,26,18,.14);

  /* ---- type ---- */
  --f-display: 'Noto Serif TC', serif;
  --f-body: 'Noto Sans TC', sans-serif;
  --f-accent: 'Source Serif 4', serif;
  --f-mono: 'IBM Plex Mono', monospace;

  --radius: 18px;
  --wrap: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 14% 6%, rgba(36,33,28,.07), transparent 22%),
    radial-gradient(circle at 88% 18%, rgba(36,33,28,.05), transparent 20%),
    linear-gradient(180deg, rgba(241,234,219,.98) 0%, rgba(234,224,200,.98) 55%, rgba(230,220,197,.98) 100%);
  background-attachment:fixed;
  color:var(--ink-2);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
::selection{background:var(--seal);color:var(--white);}

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

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--seal);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ---------------------------------------------------------
   Typography helpers
--------------------------------------------------------- */
.eyebrow{
  font-family:var(--f-display);
  font-weight:500;
  font-size:13.5px;
  letter-spacing:.14em;
  color:var(--ink-soft);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:9px;height:9px;border-radius:2px;background:var(--seal);
  display:inline-block;transform:rotate(45deg);
  box-shadow:0 0 0 1px rgba(162,58,40,.25);
}
h1,h2,h3{
  font-family:var(--f-display);
  color:var(--ink);
  margin:0;
  font-weight:700;
  letter-spacing:.005em;
}
.num{font-family:var(--f-accent);font-style:italic;font-weight:600;color:var(--seal);}
.lede{
  font-size:19px;
  color:var(--ink-soft);
  line-height:1.9;
  max-width:52ch;
}
.hairline{border:none;border-top:1px solid var(--line);margin:0;}

/* ink brush divider — 簽章元素之一：段落之間的水墨筆觸分隔 */
.ink-divider{display:flex;justify-content:center;margin:0;padding:0;line-height:0;}
.ink-divider img{width:min(720px,90%);aspect-ratio:7/1;object-fit:cover;object-position:center;display:block;}

/* ---------------------------------------------------------
   Header / Nav
--------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(241,234,219,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(139,120,84,.22);
  box-shadow:0 20px 40px rgba(30,26,18,.05);
}
.site-header .wrap{
  position:relative;
  display:flex;align-items:center;gap:32px;
  height:84px;
}
.nav-toggle{
  display:none;flex:none;
  width:38px;height:38px;align-items:center;justify-content:center;
  background:none;border:1px solid rgba(139,120,84,.4);border-radius:10px;
  color:var(--ink);cursor:pointer;
}
.nav-toggle svg{width:19px;height:19px;}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--f-display);font-weight:700;font-size:22px;color:var(--ink);}
.brand .seal-mark{width:38px;height:38px;flex:none;}
.brand-logo{height:42px;width:auto;flex:none;display:block;}
.brand small{
  display:block;font-family:var(--f-body);font-weight:400;font-size:10.5px;
  letter-spacing:.24em;color:var(--ink-faint);margin-top:2px;
}
.nav-links{display:flex;gap:18px;margin-left:12px;flex:1;}
.nav-links a{
  font-size:14px;color:var(--ink-soft);font-weight:500;
  position:relative;padding:6px 0;white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--seal);
  transition:width .25s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-links__trial{display:none;}

/* ---------------------------------------------------------
   Buttons
--------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 27px;
  font-size:14.5px;font-weight:600;
  border-radius:999px;
  border:1px solid rgba(139,120,84,.4);
  background:rgba(250,246,236,.7);
  color:var(--ink-2);
  cursor:pointer;
  transition:.2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(155deg, var(--pine), var(--pine-2));
  border-color:var(--pine-2);
  color:var(--paper-3);
  box-shadow:0 14px 26px rgba(34,58,44,.28);
}
.btn-primary:hover{background:linear-gradient(155deg, var(--pine-2), var(--pine));transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:var(--ink-2);
  border-color:rgba(139,120,84,.4);
}
.btn-ghost:hover{background:rgba(139,120,84,.1);}
.btn-sm{padding:11px 19px;font-size:13px;}
.btn svg{width:16px;height:16px;}

/* ---------------------------------------------------------
   Hero
--------------------------------------------------------- */
.hero{
  padding:96px 0 76px;
  position:relative;
  overflow:hidden;
  background-image:url('/ai-booking/assets/img/hero.png');
  background-size:cover;
  background-position:bottom;
}
.hero-scenery{
  position:absolute;inset:0;width:100%;height:100%;
  z-index:0;pointer-events:none;
}
.hero .wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:end;
  position:relative;z-index:1;
}
.btn-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:7px;flex:none;
  background:var(--paper-3);color:var(--pine);
}
.btn-badge svg{width:13px;height:13px;}
.hero-copy h1{
  font-size:clamp(40px,5.2vw,64px);
  line-height:1.3;

  margin:20px 0 26px;
  max-width:12ch;
}
.hero-copy h1 em{
  font-style:normal;color:var(--seal);
  font-family:var(--f-display);
}
.hero-actions{display:flex;align-items:center;gap:20px;margin-top:34px;flex-wrap:wrap;}
.hero-link{font-size:14px;font-weight:600;color:var(--ink-2);letter-spacing:.02em;border-bottom:1px solid rgba(36,33,28,.25);padding-bottom:2px;}
.hero-proof{
  display:flex;gap:34px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(139,120,84,.3);
  flex-wrap:wrap;
}
.hero-proof .stat{text-align:center;}
.hero-proof .stat b{display:block;font-family:var(--f-accent);font-style:italic;font-size:28px;color:var(--ink);}
.hero-proof .stat span{font-size:12.5px;color:var(--ink-soft);}

.bubble{
  font-size:13px;line-height:1.7;padding:12px 15px;border-radius:16px;margin-bottom:10px;max-width:90%;
}
.bubble.customer{background:rgba(241,234,219,.9);color:var(--ink-2);border-bottom-left-radius:4px;}
.bubble.shop{background:var(--ink);color:var(--paper);margin-left:auto;border-bottom-right-radius:4px;}

/* ---------------------------------------------------------
   Capability icon strip（六大能力）
--------------------------------------------------------- */
.capability-strip{padding-top:8px;padding-bottom:8px;}
.cap-icons{
  display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
}
.cap-icon{
  background:rgba(251,247,236,.6);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 14px;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  transition:.2s ease;
}
.cap-icon:hover{background:var(--cream-card);border-color:rgba(139,120,84,.5);transform:translateY(-2px);}
.cap-icon-badge{
  width:52px;height:52px;border-radius:50%;
  border:1px solid rgba(36,33,28,.28);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.cap-icon-badge svg{width:24px;height:24px;}
.cap-icon b{font-family:var(--f-display);font-size:14.5px;color:var(--ink);font-weight:700;}
.cap-icon span{font-size:11.5px;color:var(--ink-faint);line-height:1.4;}

/* ---------------------------------------------------------
   Cuisine type icon strip（適用各類餐飲業態）
--------------------------------------------------------- */
.cuisine-strip{padding-top:8px;padding-bottom:48px;}
.cuisine-title{
  text-align:center;font-family:var(--f-display);font-size:17px;color:var(--ink-soft);
  margin:0 0 30px;letter-spacing:.04em;
}
.cuisine-cards{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
}
.cuisine-card{
  position:relative;border-radius:14px;overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--line);
  box-shadow:0 10px 24px var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.cuisine-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px var(--shadow);}
.cuisine-card img{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(1) sepia(.35) saturate(1.4) brightness(.92) contrast(1.08);
  transition:transform .6s ease;
}
.cuisine-card:hover img{transform:scale(1.06);}
.cuisine-card::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(0deg, rgba(22,20,15,.8) 0%, rgba(22,20,15,.2) 50%, transparent 72%);
}
.cuisine-card span{
  position:absolute;left:14px;right:14px;bottom:12px;z-index:2;
  color:var(--paper-3);font-size:13px;font-weight:600;letter-spacing:.03em;
  font-family:var(--f-display);
}

@media (max-width:820px){
  .cap-icons{grid-template-columns:repeat(3,1fr);}
  .cuisine-cards{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:480px){
  .cap-icons{grid-template-columns:repeat(2,1fr);}
  .cuisine-cards{grid-template-columns:repeat(2,1fr);}
}

/* ---------------------------------------------------------
   Section shells
--------------------------------------------------------- */
section{padding:92px 0;}
.section-tight{padding:70px 0;}
.section-alt{background:var(--paper-2);}
.section-dark{background:var(--ink-2);color:var(--paper);}
.section-dark h2, .section-dark h3{color:var(--paper);}
.section-dark .lede{color:#C9C0AC;}
.section-dark .eyebrow{color:#D9CDB2;}
.section-dark .eyebrow::before{background:var(--seal);}

.section-head{max-width:640px;margin-bottom:54px;padding-bottom:24px;border-bottom:1px solid rgba(139,120,84,.3);}
.section-dark .section-head{border-bottom-color:rgba(244,233,213,.16);}
.section-head h2{font-size:clamp(28px,3.4vw,40px);margin:16px 0 18px;line-height:1.3;}
.section-head p{color:var(--ink-soft);}

/* ---------------------------------------------------------
   Three Hard Truths
--------------------------------------------------------- */
#truths .section-head{margin-bottom:28px;}
.truths{display:flex;flex-direction:column;}
.truth{
  display:grid;grid-template-columns:110px 1fr 1fr;gap:30px;
  padding:40px 0;border-top:1px solid var(--line);
}
.truths .truth:first-child{border-top:none;padding-top:0;}
.truths .truth:last-child{border-bottom:1px solid var(--line);}
.truth-index{font-family:var(--f-accent);font-style:italic;font-size:50px;color:var(--seal-mist);font-weight:600;line-height:1;}
.truth-scene{font-family:var(--f-display);font-size:18px;line-height:1.8;color:var(--ink-2);}
.truth-scene .tag{display:block;font-family:var(--f-body);font-weight:500;font-size:11px;letter-spacing:.08em;color:var(--ink-faint);margin-bottom:10px;}
.truth-translate{font-size:15px;color:var(--ink-soft);align-self:center;padding-left:22px;border-left:1px solid var(--line-soft);}
.truth-translate b{color:var(--ink);}

/* ---------------------------------------------------------
   Butler narrative
--------------------------------------------------------- */
.butler-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:start;}
.butler-story{
  font-family:var(--f-display);font-size:21px;line-height:1.9;color:var(--paper);
}
.butler-story .time{font-family:var(--f-body);font-weight:500;font-size:12.5px;color:#D9CDB2;letter-spacing:.1em;display:block;margin-bottom:14px;}
.butler-story p + p{margin-top:20px;}
.butler-story mark{background:none;color:var(--seal);font-style:normal;}
.butler-story mark::before, .butler-story mark::after{content:"";}

.capabilities{display:flex;flex-direction:column;gap:0;}
.capability{padding:22px 0;border-top:1px solid rgba(244,233,213,.14);display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:baseline;}
.capability:last-child{border-bottom:1px solid rgba(244,233,213,.14);}
.capability .cap-label{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:#B5A582;white-space:nowrap;}
.capability h4{font-family:var(--f-body);font-weight:600;font-size:16px;color:var(--paper);margin:0 0 6px;}
.capability p{margin:0;font-size:14px;color:#C9BFA8;line-height:1.75;}

/* ---------------------------------------------------------
   Feature translation list
--------------------------------------------------------- */
.section-head:has(+ .feat-list){margin-bottom:28px;}
.feat-list{border-top:none;}
.feat-row{
  display:grid;grid-template-columns:1fr 1fr;gap:30px;
  padding:26px 0;border-bottom:1px solid var(--line);
  align-items:baseline;
}
.feat-row .feat-system{font-size:12px;font-family:var(--f-mono);color:var(--ink-faint);letter-spacing:.05em;}
.feat-row h4{font-family:var(--f-display);font-size:17px;font-weight:700;color:var(--ink);margin:4px 0 6px;}
.feat-row p{margin:0;font-size:14.5px;color:var(--ink-soft);}

/* ---------------------------------------------------------
   Interactive Demo (LINE 情境模擬)
--------------------------------------------------------- */
.demo-shell{
  background:var(--cream-card);border:1px solid var(--line);border-radius:20px;
  box-shadow:0 24px 60px var(--shadow);
  overflow:hidden;
}
.demo-tabs{display:flex;border-bottom:1px solid var(--line);background:var(--paper-2);}
.demo-tab{
  flex:1;padding:18px 14px;text-align:center;font-size:14px;font-weight:600;color:var(--ink-faint);
  cursor:pointer;border:none;background:none;position:relative;
  border-right:1px solid var(--line);
  font-family:var(--f-display);
}
.demo-tab:last-child{border-right:none;}
.demo-tab .sub{display:block;font-family:var(--f-mono);font-size:10px;letter-spacing:.08em;font-weight:400;margin-top:3px;text-transform:uppercase;}
.demo-tab.active{color:var(--ink);background:var(--cream-card);}
.demo-tab.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--seal);}

.demo-body{display:grid;grid-template-columns:340px 1fr;min-height:420px;}
.phone-frame{
  background:var(--paper-2);border-right:1px solid var(--line);
  padding:26px 22px;display:flex;flex-direction:column;
}
.phone-frame .line-topbar{
  font-family:var(--f-body);font-weight:500;font-size:11px;color:var(--ink-faint);
  display:flex;justify-content:space-between;margin-bottom:16px;letter-spacing:.04em;
}
.chat-stream{flex:1;display:flex;flex-direction:column;gap:10px;justify-content:flex-end;}
.chat-stream .bubble{opacity:0;transform:translateY(6px);animation:bubbleIn .45s ease forwards;}
@keyframes bubbleIn{to{opacity:1;transform:translateY(0);}}
.chat-stream .bubble.customer{background:var(--white);border:1px solid var(--line);}
.chat-stream .bubble.shop{background:var(--ink);color:var(--paper);}
.chat-stream .bubble.card{
  background:var(--white);border:1px solid var(--line);color:var(--ink-2);
  border-radius:12px;padding:14px;max-width:92%;
}
.chat-stream .bubble.card .card-head{font-size:11px;font-family:var(--f-mono);color:var(--seal);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;}
.chat-stream .bubble.card .card-title{font-family:var(--f-display);font-weight:700;font-size:14.5px;margin-bottom:4px;}
.chat-stream .bubble.card .card-sub{font-size:12px;color:var(--ink-soft);}

.demo-annotate{padding:34px 40px;display:flex;flex-direction:column;justify-content:center;}
.demo-annotate .an-eyebrow{font-family:var(--f-body);font-weight:600;font-size:11.5px;letter-spacing:.1em;color:var(--seal);text-transform:none;margin-bottom:14px;}
.demo-annotate h3{font-size:23px;margin-bottom:14px;line-height:1.45;}
.demo-annotate p{color:var(--ink-soft);font-size:15px;line-height:1.85;margin:0 0 22px;max-width:44ch;}
.demo-replay{align-self:flex-start;}

/* ---------------------------------------------------------
   Backend live preview (iframe)
--------------------------------------------------------- */
.backend-preview{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--white);
  box-shadow:0 24px 60px var(--shadow);
}
.backend-preview .bp-bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--paper-2);border-bottom:1px solid var(--line);
}
.bp-dot{width:9px;height:9px;border-radius:50%;background:var(--line);}
.bp-bar span{margin-left:8px;font-family:var(--f-mono);font-size:11px;color:var(--ink-faint);letter-spacing:.04em;}
.bp-frame-wrap{position:relative;width:100%;height:0;padding-bottom:60%;overflow:hidden;background:var(--paper);}
.bp-frame-wrap iframe{
  position:absolute;top:0;left:0;width:100%;height:100%;border:none;
}
@media (max-width:720px){
  .bp-frame-wrap{padding-bottom:130%;}
}

/* ---------------------------------------------------------
   Ledger / ROI receipt (signature element)
--------------------------------------------------------- */
.ledger-wrap{display:grid;grid-template-columns:1fr .72fr;gap:40px;align-items:stretch;}
.ledger-visual{
  background-image:url('/ai-booking/assets/img/ledger-preview.png');
  background-repeat:no-repeat;
  background-position:right center;
  background-size:contain;
}
.ledger{
  width:100%;max-width:640px;
  background:rgba(251,247,236,.97);
  border:1px solid var(--line);
  position:relative;
  padding:40px 40px 34px;
  font-family:var(--f-mono);
  box-shadow:0 34px 80px var(--shadow);
}
.ledger::before{
  content:"";position:absolute;left:0;right:0;bottom:-10px;height:20px;
  background:
    radial-gradient(circle at 10px 0, transparent 10px, var(--paper) 10.5px) 0 0/20px 20px repeat-x;
}
.ledger-title{text-align:center;font-family:var(--f-display);font-size:20px;color:var(--ink-2);letter-spacing:.01em;margin-bottom:6px;}
.ledger-sub{text-align:center;font-size:11px;color:var(--ink-faint);letter-spacing:.05em;margin-bottom:26px;}
.ledger-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.ledger-col h4{font-size:11.5px;letter-spacing:.08em;color:var(--ink-faint);margin:0 0 14px;border-bottom:1px dashed var(--line);padding-bottom:10px;}
.ledger-col.now h4{color:var(--seal);}
.ledger-line{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;padding:7px 0;color:var(--ink-soft);}
.ledger-line b{color:var(--ink-2);font-weight:500;}
.ledger-col.now .ledger-line b{color:var(--ink);}
.ledger-total{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--ink);
  display:flex;justify-content:space-between;align-items:baseline;
  font-family:var(--f-display);
}
.ledger-total .amt{font-size:25px;color:var(--seal);font-family:var(--f-accent);font-style:italic;}
.ledger-note{text-align:center;font-size:11px;color:var(--ink-faint);margin-top:22px;font-family:var(--f-body);line-height:1.75;}

/* ---------------------------------------------------------
   Partners
--------------------------------------------------------- */
.partners-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.partner-card{
  display:block;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--cream-card);
  box-shadow:0 10px 24px var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.partner-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px var(--shadow);}
.partner-photo{aspect-ratio:4/3;overflow:hidden;}
.partner-photo img{
  width:100%;height:100%;object-fit:cover;object-position:top;display:block;
  transition:transform .6s ease;
}
.partner-card:hover .partner-photo img{transform:scale(1.05);}
.partner-meta{display:flex;align-items:center;gap:14px;padding:18px 20px;}
.partner-logo{width:48px;height:48px;border-radius:50%;object-fit:cover;border:1px solid var(--line);background:var(--paper-3);flex:none;}
.partner-name{flex:1;min-width:0;}
.partner-name b{display:block;font-family:var(--f-display);font-size:15.5px;color:var(--ink);font-weight:700;}
.partner-name span{font-size:12.5px;color:var(--ink-faint);}
.partner-arrow{font-size:16px;color:var(--ink-faint);flex:none;transition:transform .2s ease, color .2s ease;}
.partner-card:hover .partner-arrow{color:var(--pine);transform:translate(2px,-2px);}

@media (max-width:720px){
  .partners-grid{grid-template-columns:1fr;}
}

/* ---------------------------------------------------------
   FAQ
--------------------------------------------------------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-family:var(--f-display);font-size:18px;color:var(--ink);
}
.faq-q .plus{font-family:var(--f-mono);font-size:20px;color:var(--seal);transition:transform .25s ease;flex:none;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:220px;}
.faq-a p{margin:0 0 24px;color:var(--ink-soft);font-size:15px;max-width:62ch;line-height:1.85;}

/* ---------------------------------------------------------
   Final CTA
--------------------------------------------------------- */
.final-cta{text-align:center;}
.final-cta h2{font-size:clamp(30px,4vw,44px);max-width:20ch;margin:0 auto 22px;line-height:1.34;}
.booking-card{
  max-width:480px;margin:36px auto 0;text-align:left;
  background:var(--ink-2);color:var(--paper);
  border-radius:20px;padding:32px;
  box-shadow:0 30px 60px rgba(20,26,20,.3);
}
.booking-card h3{font-family:var(--f-display);font-size:19px;color:var(--paper);margin:0 0 6px;}
.booking-card [data-contact-panel="form"] > p{font-size:12.5px;color:#B5A582;margin:0 0 22px;}
.booking-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.booking-card .field{margin-bottom:14px;}
.booking-card label{display:block;font-size:12px;color:#C9BFA8;margin-bottom:6px;font-weight:500;}
.booking-card input,.booking-card select{
  width:100%;padding:11px 14px;border-radius:10px;border:1px solid rgba(244,233,213,.18);
  background:var(--paper-3);color:var(--ink-2);font-size:14px;font-family:var(--f-body);
}
.booking-card input::placeholder{color:var(--ink-faint);}
.booking-card input:focus,.booking-card select:focus{outline:2px solid var(--pine);outline-offset:1px;}
.booking-submit{width:100%;justify-content:center;margin-top:4px;}
.booking-submit:disabled{opacity:.6;cursor:not-allowed;}
.booking-error{margin-top:12px;font-size:12.5px;line-height:1.5;color:#F6B4A8;background:rgba(203,86,75,.16);border:1px solid rgba(203,86,75,.4);border-radius:10px;padding:9px 12px;}
.booking-done{text-align:center;padding:14px 4px;}
.booking-done-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;background:rgba(46,158,104,.18);color:#7BD6A4;}
.booking-done h3{margin-bottom:8px;}
.booking-done p{font-size:13px;color:#B5A582;line-height:1.7;margin:0;max-width:34ch;margin-left:auto;margin-right:auto;}
.cta-note{font-size:12.5px;color:var(--ink-faint);margin-top:14px;}

/* ---------------------------------------------------------
   Footer
--------------------------------------------------------- */
footer{padding:52px 0;border-top:1px solid var(--line);}
.footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;}
.footer-links{display:flex;gap:26px;}
.footer-links a{font-size:13px;color:var(--ink-soft);}
.footer-links a:hover{color:var(--ink);}
.footer-copy{font-size:12.5px;color:var(--ink-faint);font-family:var(--f-mono);}

/* ---------------------------------------------------------
   Legal pages（隱私權政策／會員條款）
--------------------------------------------------------- */
.legal-hero{padding:56px 0 8px;}
.legal-hero .eyebrow{margin-bottom:16px;}
.legal-hero h1{font-family:var(--f-display);color:var(--ink);font-size:clamp(28px,3.6vw,40px);margin:0 0 14px;line-height:1.3;}
.legal-updated{font-size:12.5px;color:var(--ink-faint);font-family:var(--f-mono);}
.legal-body{max-width:760px;padding:20px 0 100px;}
.legal-body h2{font-family:var(--f-display);color:var(--ink);font-size:20px;margin:44px 0 14px;}
.legal-body h2:first-child{margin-top:0;}
.legal-body p{color:var(--ink-soft);font-size:15px;line-height:1.9;margin:0 0 16px;}
.legal-body ul{margin:0 0 16px;padding-left:22px;}
.legal-body li{color:var(--ink-soft);font-size:15px;line-height:1.9;list-style:disc;margin-bottom:8px;}
.legal-body strong{color:var(--ink);}
.legal-body a{color:var(--pine);text-decoration:underline;text-underline-offset:2px;}

/* toast */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);
  background:var(--ink);color:var(--paper);
  padding:14px 22px;border-radius:999px;font-size:13.5px;
  box-shadow:0 14px 30px rgba(0,0,0,.3);
  opacity:0;transition:.3s ease;pointer-events:none;z-index:999;
  display:flex;align-items:center;gap:10px;
}
.toast.show{opacity:1;transform:translate(-50%,0);}
.toast svg{width:16px;height:16px;color:var(--seal);}

/* ---------------------------------------------------------
   Responsive
--------------------------------------------------------- */
@media (max-width:1180px){
  .ledger-wrap{grid-template-columns:1fr;}
  .ledger-visual{display:none;}
}
@media (max-width:980px){
  .nav-toggle{display:inline-flex;}
  .site-header .btn-sm{margin-left:auto;}
  .header-trial{display:none;}
  .nav-links{
    display:none;
    position:absolute;top:100%;left:0;right:0;z-index:99;
    flex-direction:column;gap:0;margin-left:0;
    background:var(--paper);
    border-bottom:1px solid rgba(139,120,84,.22);
    box-shadow:0 20px 40px rgba(30,26,18,.08);
    padding:4px 28px 12px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--line-soft);}
  .nav-links a:last-child{border-bottom:none;}
  .nav-links__trial{
    display:block;margin-top:10px;padding:12px 0 !important;
    text-align:center;border-radius:999px;
    background:linear-gradient(155deg, var(--pine), var(--pine-2));
    color:var(--paper-3);font-weight:600;border-bottom:none !important;
  }
  .hero .wrap{grid-template-columns:1fr;}
  .butler-grid{grid-template-columns:1fr;gap:40px;}
  .demo-body{grid-template-columns:1fr;}
  .phone-frame{border-right:none;border-bottom:1px solid var(--line);}
  .truth{grid-template-columns:1fr;gap:14px;}
  .truth-index{font-size:36px;}
  .truth-translate{border-left:none;padding-left:0;border-top:1px solid var(--line-soft);padding-top:14px;}
  .feat-row{grid-template-columns:1fr;}
  .ledger-cols{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .site-header .wrap{height:auto;min-height:60px;padding-top:10px;padding-bottom:10px;gap:10px;}
  .brand{font-size:15px;gap:6px;}
  .brand span{white-space:nowrap;}
  .brand-logo{height:26px;}
  .brand small{display:none;}
  .btn-sm{padding:7px 12px;font-size:11.5px;}
  .nav-toggle{width:34px;height:34px;}
  .nav-toggle svg{width:17px;height:17px;}
  section{padding:64px 0;}
  .hero{padding:52px 0 40px;}
  .booking-card{padding:24px;}
  .booking-row{grid-template-columns:1fr;}
  .footer-row{flex-direction:column;align-items:flex-start;}
  .footer-links{flex-wrap:wrap;row-gap:10px;}
}