/* ============================================================
   BOZE 博策整合行銷 — 品牌官網樣式
   品牌色：磚紅 #B51709 / 暖黑 #231817 / 白
   佈局：C 磚紅塊面
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;700&display=swap');

:root{
  --red:#B51709;
  --red-dark:#8E1207;
  --red-tint:#FBEDEB;
  --red-soft:#F6C9C3;
  --ink:#231817;
  --text:#2E2723;
  --muted:#6B6560;
  --faint:#9A938D;
  --line:#ECEAE6;
  --off:#FAFAF8;
  --white:#FFFFFF;
  --footer-line:#3A2C2A;
  --shadow-sm:0 1px 2px rgba(35,24,23,.04), 0 1px 3px rgba(35,24,23,.06);
  --shadow-md:0 4px 16px rgba(35,24,23,.06), 0 2px 6px rgba(35,24,23,.05);
  --radius:14px;
  --maxw:1200px;
  --font:"Inter","Noto Sans TC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--text);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:500;font-size:15px;line-height:1;
  padding:14px 24px;border-radius:10px;border:1.5px solid transparent;
  cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-light{background:#fff;color:var(--red)}
.btn-light:hover{background:var(--red-tint)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-ghost-light{background:transparent;color:#fff;border-color:var(--red-soft)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn-lg{padding:16px 30px;font-size:16px}

/* ---------- Header / Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px}
.brand-logo{height:44px;width:auto;display:block}
.mark-chip{width:40px;height:40px;border-radius:9px;background:#fff;flex:none;
  display:flex;align-items:center;justify-content:center;padding:6px}
.mark-chip img{width:100%;height:auto;display:block}
.brand-mark{width:26px;height:26px;border-radius:6px;background:var(--red);flex:none;
  position:relative}
.brand-mark::after{content:"";position:absolute;inset:6px 6px auto auto;width:9px;height:9px;
  border:2px solid #fff;border-radius:2px}
.brand-name{font-weight:700;font-size:17px;letter-spacing:1px;color:var(--ink);line-height:1}
.brand-sub{font-size:11px;color:var(--muted);line-height:1.2;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{font-size:15px;color:var(--ink);transition:.15s}
.nav-links a:hover{color:var(--red)}
.nav-links a.active{color:var(--red);font-weight:500}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:26px;height:26px}

/* ---------- Sections ---------- */
.section{padding:92px 0}
.section-sm{padding:64px 0}
.bg-off{background:var(--off)}
.bg-white{background:#fff}
.bg-ink{background:var(--ink);color:#fff}
.bg-red{background:var(--red);color:#fff}
.eyebrow{font-size:13px;font-weight:500;letter-spacing:3px;color:var(--red);text-transform:uppercase;margin-bottom:14px}
.bg-red .eyebrow,.bg-ink .eyebrow{color:var(--red-soft)}
.section-title{font-size:34px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:.5px;max-width:780px}
.bg-red .section-title,.bg-ink .section-title{color:#fff}
.section-sub{font-size:17px;color:var(--muted);margin-top:16px;max-width:720px;line-height:1.7}
.bg-red .section-sub{color:var(--red-tint)}
.bg-ink .section-sub{color:#B7B0AB}
.section-head{margin-bottom:48px}

/* ---------- Hero (首頁 磚紅塊面) ---------- */
.hero{background:var(--red);color:#fff;padding:104px 0 108px}
.hero .eyebrow{color:var(--red-soft)}
.hero h1{font-size:60px;line-height:1.24;font-weight:700;letter-spacing:1px;max-width:900px}
.hero .lead-en{font-size:22px;color:var(--red-tint);margin-top:20px;font-weight:400;letter-spacing:.5px}
.hero p.lead{font-size:17px;color:#FBEDEB;margin-top:20px;max-width:640px;line-height:1.75}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}

/* ---------- Page banner (內頁 hero) ---------- */
.banner{background:var(--ink);color:#fff;padding:80px 0}
.banner .eyebrow{color:var(--red-soft)}
.banner h1{font-size:46px;line-height:1.3;font-weight:700;letter-spacing:1px;color:#fff;max-width:840px}
.banner p{font-size:18px;color:#B7B0AB;margin-top:18px;max-width:680px}
.banner .accent{color:var(--red-soft)}

/* ---------- Grid & Cards ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  transition:.2s ease}
.bg-white .card{background:var(--off)}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#E0DCD5}
.card .num{font-size:15px;font-weight:700;color:var(--red);letter-spacing:1px}
.card .icon{width:46px;height:46px;border-radius:11px;background:var(--red-tint);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .icon svg{width:23px;height:23px;color:var(--red);stroke:var(--red)}
.card h3{font-size:20px;font-weight:500;color:var(--ink);margin:6px 0 10px}
.card p{font-size:15px;color:var(--muted);line-height:1.72}
.card .more{display:inline-flex;align-items:center;gap:6px;color:var(--red);font-size:14px;
  font-weight:500;margin-top:16px}
.card .more svg{width:16px;height:16px}
.tag{display:inline-block;font-size:12px;font-weight:500;letter-spacing:2px;color:var(--red);
  text-transform:uppercase;margin-bottom:12px}

/* ---------- Service rows ---------- */
.srow{display:flex;align-items:center;gap:28px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 30px;transition:.2s}
.bg-off .srow{background:#fff}
.srow:hover{box-shadow:var(--shadow-md);border-color:#E0DCD5;transform:translateY(-2px)}
.srow .s-head{width:240px;flex:none}
.srow .s-head h3{font-size:21px;font-weight:500;color:var(--ink)}
.srow .s-head .en{font-size:12px;color:var(--faint);letter-spacing:1px;margin-top:2px}
.srow p{flex:1;font-size:16px;color:var(--muted);line-height:1.65}
.srow .arrow{color:var(--red);flex:none}
.srow .arrow svg{width:24px;height:24px}

/* ---------- Detailed service block ---------- */
.svc{display:grid;grid-template-columns:340px 1fr;gap:40px;padding:44px 0;border-top:1px solid var(--line)}
.svc:first-of-type{border-top:none}
.svc .svc-l .idx{font-size:14px;font-weight:700;color:var(--red);letter-spacing:2px}
.svc .svc-l h3{font-size:26px;font-weight:700;color:var(--ink);margin:10px 0 4px}
.svc .svc-l .en{font-size:14px;color:var(--faint);letter-spacing:1px}
.svc .svc-r>p{font-size:17px;color:var(--text);line-height:1.75;margin-bottom:18px}
.feature-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.5}
.feature-list li svg{width:18px;height:18px;color:var(--red);stroke:var(--red);flex:none;margin-top:3px}

/* ---------- Quote band ---------- */
.quote{text-align:center;padding:76px 0}
.quote .q{font-size:30px;font-weight:500;line-height:1.5;max-width:920px;margin:0 auto;color:#fff}
.quote .q-zh{font-size:17px;color:#B7B0AB;margin-top:16px}

/* ---------- Vision / value split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.vcard{border:1px solid var(--line);border-radius:var(--radius);padding:38px 34px;background:var(--off)}
.vcard .k{font-size:13px;font-weight:500;letter-spacing:2px;color:var(--red);text-transform:uppercase}
.vcard .en{font-size:24px;font-weight:600;color:var(--ink);margin:14px 0 8px;line-height:1.4}
.vcard .zh{font-size:16px;color:var(--muted)}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:24px}
.step .n{font-size:15px;font-weight:700;color:#fff;background:var(--red);width:34px;height:34px;
  border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h4{font-size:19px;font-weight:500;color:var(--ink);margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.65}

/* ---------- CTA band ---------- */
.cta{text-align:center;padding:82px 0}
.cta h2{font-size:36px;font-weight:700;color:#fff;line-height:1.35;max-width:820px;margin:0 auto}
.cta p{font-size:17px;color:var(--red-tint);margin:16px auto 0;max-width:680px}
.cta .cta-actions{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.info-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.info-item:last-child{border-bottom:none}
.info-item .ic{width:44px;height:44px;border-radius:11px;background:var(--red-tint);flex:none;
  display:flex;align-items:center;justify-content:center}
.info-item .ic svg{width:22px;height:22px;color:var(--red);stroke:var(--red)}
.info-item .k{font-size:13px;color:var(--faint);letter-spacing:1px;margin-bottom:3px}
.info-item .v{font-size:16px;color:var(--ink);font-weight:500}
.info-item .v small{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:2px}
.form{background:var(--off);border:1px solid var(--line);border-radius:var(--radius);padding:36px 34px}
.form h3{font-size:20px;font-weight:500;color:var(--ink);margin-bottom:6px}
.form .form-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink);font-weight:500;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font);font-size:15px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-tint)}
.field textarea{resize:vertical;min-height:120px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.map-box{background:var(--ink);border-radius:var(--radius);padding:40px 34px;color:#fff;
  min-height:220px;display:flex;flex-direction:column;justify-content:flex-end;
  background-image:linear-gradient(135deg,rgba(181,23,9,.25),rgba(35,24,23,.05))}
.map-box .mk{font-size:13px;letter-spacing:2px;color:var(--red-soft);margin-bottom:8px}
.map-box .ma{font-size:19px;font-weight:500}
.map-box .note{font-size:13px;color:#B7B0AB;margin-top:8px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#fff;padding:64px 0 34px}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer .fbrand{max-width:320px}
.footer .fbrand .brand-name{color:#fff}
.footer .ftag{font-size:13px;color:#B7B0AB;margin-top:14px;line-height:1.6}
.footer .fcol h5{font-size:12px;font-weight:500;letter-spacing:2px;color:#8A827C;
  text-transform:uppercase;margin-bottom:14px}
.footer .fcol a,.footer .fcol p{font-size:14px;color:#D9D4CF;line-height:2}
.footer .fcol a:hover{color:#fff}
.footer-divider{height:1px;background:var(--footer-line);margin:32px 0 22px}
.footer-copy{font-size:12px;color:#8A827C}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:.6s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .svc{grid-template-columns:1fr;gap:18px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:44px}
  .banner h1{font-size:36px}
  .section-title{font-size:28px}
  .contact-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
}
@media(max-width:680px){
  .container{padding:0 20px}
  .brand-logo{height:36px}
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;
    flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .nav-links.open li{width:100%}
  .nav-links.open a{display:block;padding:14px 24px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .srow{flex-direction:column;align-items:flex-start;gap:12px}
  .srow .s-head{width:auto}
  .srow .arrow{display:none}
  .feature-list{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .hero{padding:72px 0}
  .hero h1{font-size:34px}
  .section{padding:64px 0}
  .cta h2,.section-title{font-size:26px}
  .quote .q{font-size:23px}
}