/* ============================================================
   巨祥商業機器有限公司 — 共用樣式
   ============================================================ */

/* ============================================================
   In-App Browser 字體穩定（LINE / FB / IG / WeChat / Messenger）
   ※ 每客戶必有、不要刪。詳見 /clients/IN-APP-BROWSER-FIXES.md
   ============================================================ */
html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 16px;
}
body {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  color:#1f2937;background:#fff;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

:root{
  --blue:#1E4FA8;
  --blue-deep:#163d85;
  --blue-soft:#E8F0FC;
  --dark:#222831;
  --gray-900:#1f2937;
  --gray-700:#4b5563;
  --gray-500:#6b7280;
  --gray-300:#d1d5db;
  --gray-200:#e5e7eb;
  --gray-100:#f3f4f6;
  --gray-50:#f9fafb;
  --accent:#ef4444;
  --line-green:#37a36b;
  --gold:#ffd86b;
  --shadow-sm:0 2px 8px rgba(30,79,168,.08);
  --shadow-md:0 8px 24px rgba(30,79,168,.12);
  --shadow-lg:0 16px 48px rgba(30,79,168,.18);
}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ TOP BAR ============ */
.topbar{background:var(--dark);color:#cbd5e1;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#cbd5e1;transition:color .2s}
.topbar a:hover{color:#fff}
.topbar-left{display:flex;gap:20px;align-items:center}
.topbar-right{display:flex;gap:16px}
@media (max-width:768px){
  .topbar-left span:not(:first-child){display:none}
  .topbar-right a:not(:last-child){display:none}
}

/* ============ NAV ============ */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--gray-200);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px;gap:24px}
.brand img{height:54px;width:auto}
.nav-menu{display:flex;gap:26px;align-items:center}
.nav-menu .btn-cta{margin-left:12px}
.nav-menu a{
  font-size:15px;color:var(--gray-700);font-weight:500;
  position:relative;padding:6px 0;transition:color .2s;
}
.nav-menu a:hover,.nav-menu a.active{color:var(--blue)}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:2px;background:var(--blue);transform:scaleX(0);
  transition:transform .25s;transform-origin:center;
}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.btn-cta{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:8px;
  background:var(--blue);color:#fff!important;font-weight:700;font-size:16px;
  letter-spacing:.5px;line-height:1;white-space:nowrap;
  transition:all .2s;box-shadow:0 4px 12px rgba(30,79,168,.25);
}
.btn-cta:hover{background:var(--blue-deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,79,168,.35)}
.btn-cta::after{display:none!important}
.btn-cta svg{width:18px!important;height:18px!important;margin-right:0!important;flex-shrink:0}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;position:relative;z-index:60}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--gray-900);margin:5px 0;transition:.25s;transform-origin:center}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1024px){
  .nav-inner{height:68px}
  .brand img{height:44px}
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;
    max-height:calc(100vh - 68px);overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    flex-direction:column;align-items:stretch;
    background:#fff;padding:8px 20px 24px;gap:0;
    border-bottom:1px solid var(--gray-200);
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:transform .25s, opacity .2s;
  }
  .nav-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-menu a{
    width:100%;padding:16px 4px;font-size:16px;
    border-bottom:1px solid var(--gray-100);
    display:flex;align-items:center;justify-content:space-between;
  }
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--blue);font-weight:700}
  .nav-menu a.active::before{content:"●";color:var(--blue);font-size:10px;margin-right:8px}
  .nav-menu .btn-cta{
    margin:16px 0 4px;justify-content:center;padding:14px 20px;
    border-bottom:none;font-size:16px;
  }
  body.nav-open{overflow:hidden}
}

/* ============ PAGE HEADER (sub pages) ============ */
.page-header{
  position:relative;
  background:linear-gradient(135deg,#0f2557 0%,#1E4FA8 60%,#2d6bd1 100%);
  color:#fff;padding:80px 0 70px;overflow:hidden;
}
.page-header::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.08), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,.06), transparent 40%);
  pointer-events:none;
}
.page-header::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.page-header-inner{position:relative;z-index:1;text-align:center}
.page-header .eyebrow{
  display:inline-block;padding:5px 14px;
  border:1px solid rgba(255,255,255,.4);border-radius:999px;
  font-size:12px;letter-spacing:4px;margin-bottom:16px;
  font-family:"Inter",sans-serif;
}
.page-header h1{font-size:clamp(32px,4.5vw,46px);font-weight:900;letter-spacing:2px;margin-bottom:14px}
.page-header p{font-size:17px;color:rgba(255,255,255,.85);max-width:680px;margin:0 auto}
.breadcrumb{
  background:var(--gray-50);border-bottom:1px solid var(--gray-200);
  padding:14px 0;font-size:13px;color:var(--gray-500);
}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{margin:0 8px;color:var(--gray-300)}

/* ============ SECTION COMMON ============ */
section{padding:80px 0}
.section-head{text-align:center;margin-bottom:56px}
.section-eyebrow{
  color:var(--blue);font-size:13px;letter-spacing:6px;font-weight:700;
  margin-bottom:12px;font-family:"Inter",sans-serif;text-transform:uppercase;
}
.section-title{
  font-size:clamp(26px,3.2vw,36px);font-weight:900;color:var(--gray-900);
  letter-spacing:1px;margin-bottom:16px;
}
.section-title::after{
  content:"";display:block;width:48px;height:4px;background:var(--blue);
  margin:18px auto 0;border-radius:2px;
}
.section-desc{color:var(--gray-500);font-size:16px;max-width:620px;margin:0 auto}

/* ============ IMAGE PLACEHOLDER ============ */
.img-ph{
  position:relative;background:#eef2f7;
  border:2px dashed #b8c5d6;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:24px;color:#6b7c93;overflow:hidden;
}
.img-ph::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(135deg, transparent 48%, rgba(30,79,168,.06) 50%, transparent 52%),
    linear-gradient(45deg, transparent 48%, rgba(30,79,168,.06) 50%, transparent 52%);
  background-size:24px 24px;pointer-events:none;
}
.img-ph .ph-icon{
  font-size:36px;margin-bottom:10px;opacity:.5;position:relative;z-index:1;
}
.img-ph .ph-label{
  font-size:13px;color:var(--blue);font-weight:700;letter-spacing:1px;
  margin-bottom:6px;position:relative;z-index:1;
}
.img-ph .ph-hint{
  font-size:12px;color:#6b7c93;line-height:1.6;position:relative;z-index:1;
  max-width:280px;
}
.img-ph .ph-size{
  margin-top:8px;font-size:11px;color:#94a3b8;
  font-family:"Inter",sans-serif;position:relative;z-index:1;
}

/* aspect ratios for placeholders */
.ar-16x9{aspect-ratio:16/9}
.ar-4x3{aspect-ratio:4/3}
.ar-1x1{aspect-ratio:1/1}
.ar-3x4{aspect-ratio:3/4}
.ar-21x9{aspect-ratio:21/9}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:6px;font-weight:700;font-size:16px;
  transition:all .2s;cursor:pointer;border:none;
}
.btn-primary{background:var(--gold);color:#1f2937}
.btn-primary:hover{background:#ffc933;transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,216,107,.35)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-outline{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-line{background:var(--line-green);color:#fff}
.btn-line:hover{background:#2c8a59;transform:translateY(-2px);box-shadow:0 8px 24px rgba(55,163,107,.4)}

/* ============ CTA BANNER (shared) ============ */
.cta-banner{
  background:linear-gradient(135deg,#1E4FA8,#163d85);
  color:#fff;text-align:center;padding:70px 0;
}
.cta-banner h2{font-size:clamp(26px,3vw,34px);font-weight:900;margin-bottom:14px;letter-spacing:1px}
.cta-banner p{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:30px}
.cta-banner .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ FOOTER ============ */
footer{background:var(--dark);color:#cbd5e1;padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-brand img{height:60px;width:auto;margin-bottom:20px;filter:brightness(1.15)}
.foot-brand p{font-size:14px;line-height:1.8;color:#94a3b8}
.foot-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:2px}
.foot-col ul li{padding:6px 0;font-size:14px;color:#94a3b8}
.foot-col ul li a:hover{color:#fff}
.foot-col p{font-size:14px;line-height:1.9;color:#94a3b8}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;justify-content:space-between;
  align-items:center;font-size:13px;color:#64748b;flex-wrap:wrap;gap:10px;
}
@media (max-width:900px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:600px){
  .foot-grid{grid-template-columns:1fr}
}

/* ============ FLOAT BUTTONS ============ */
.float-buttons{
  position:fixed;bottom:24px;right:24px;
  display:flex;flex-direction:column;gap:12px;z-index:40;
}
.float-btn{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;color:#fff;
  box-shadow:0 8px 24px rgba(0,0,0,.18);
  transition:all .2s;
}
.float-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 12px 32px rgba(0,0,0,.25)}
.float-line{background:var(--line-green)}
.float-tel{background:var(--blue)}
.float-btn svg{width:26px;height:26px}

/* ============ REVEAL ANIMATION ============ */
[data-reveal]{opacity:0;transform:translateY(20px);transition:.7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}

/* ============ CARDS / GRID UTILITIES ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .grid-3,.grid-4{grid-template-columns:1fr}
}

/* product / service / case card common */
.card{
  background:#fff;border:1px solid var(--gray-200);
  border-radius:14px;overflow:hidden;transition:all .25s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-img{aspect-ratio:4/3}
.card-body{padding:24px}
.card-tag{
  display:inline-block;background:var(--blue-soft);color:var(--blue);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:4px;
  letter-spacing:1px;margin-bottom:10px;
}
.card-body h3{font-size:18px;font-weight:800;color:var(--gray-900);margin-bottom:10px;letter-spacing:.5px}
.card-body p{color:var(--gray-500);font-size:14px;line-height:1.75}
.card-body ul{margin-top:12px}
.card-body li{font-size:13px;color:var(--gray-700);padding:3px 0 3px 18px;position:relative}
.card-body li::before{content:"";position:absolute;left:0;top:12px;width:10px;height:2px;background:var(--blue)}

/* ============ PROSE (article-like text) ============ */
.prose p{margin-bottom:18px;color:var(--gray-700);font-size:16px}
.prose h2{font-size:26px;font-weight:900;color:var(--gray-900);margin:36px 0 16px;letter-spacing:1px}
.prose h3{font-size:20px;font-weight:800;color:var(--blue);margin:28px 0 12px}
.prose ul.bullet{margin:12px 0 18px 0}
.prose ul.bullet li{position:relative;padding-left:24px;margin-bottom:8px;color:var(--gray-700)}
.prose ul.bullet li::before{
  content:"";position:absolute;left:0;top:14px;width:14px;height:2px;background:var(--blue);
}
.prose blockquote{
  border-left:4px solid var(--blue);background:var(--gray-50);
  padding:20px 24px;margin:24px 0;color:var(--gray-700);font-style:italic;border-radius:0 8px 8px 0;
}

/* ============================================================
   Mobile px override（防 LINE / FB / IG webview vw 爆大）
   所有用 clamp() 的字級都要在這裡 px 鎖死
   ============================================================ */
@media (max-width:768px){
  body{font-size:15px!important}

  /* page-header（子頁面 Hero）*/
  .page-header{padding:60px 0 50px}
  .page-header h1{font-size:30px!important;line-height:1.2!important;letter-spacing:1px}
  .page-header p{font-size:15px!important}

  /* index hero（首頁）*/
  .hero h1{font-size:32px!important;line-height:1.2!important;letter-spacing:1px}
  .hero h1 em{font-size:14px!important;letter-spacing:4px!important}
  .hero-sub{font-size:15px!important;line-height:1.85!important}
  .hero-inner{padding:60px 0 70px!important}

  /* section title */
  .section-title{font-size:24px!important;line-height:1.3!important}
  .section-desc{font-size:14px!important}

  /* about content */
  .about-content h2,.home-about h2{font-size:22px!important;line-height:1.35!important}

  /* cta banner */
  .cta-banner{padding:50px 0!important}
  .cta-banner h2{font-size:22px!important;line-height:1.35!important}
  .cta-banner p{font-size:15px!important}

  /* services / cards 通用 */
  .svc-block h2,
  .prod-cat-info h2,
  .form-card h3,
  .contact-info h3{font-size:22px!important;line-height:1.35!important}

  /* hero features stat numbers — 防止 vw 計算錯 */
  .hero-features-grid .item .num{font-size:26px!important}

  /* timeline / process numbers */
  .timeline-year{font-size:20px!important}

  /* section padding 整體縮短，手機才不會頁面太長 */
  section{padding:50px 0}
  .section-head{margin-bottom:36px}

  /* topbar 手機隱藏次要資訊 */
  .topbar-inner{height:auto;padding:8px 0;flex-wrap:wrap;gap:4px;justify-content:center}
  .topbar-left{justify-content:center}
}