/* JDI Taiwan Kaohsiung Branch (JDITK) — 設計 token 萃取自 j-display.com 總部 style.css
   顏色: #00558c / #22d0f0 / #40a2e6 / #014571 為總部 CSS 出現頻率最高的品牌色
   字體: Barlow(標題/數字) + Noto Sans TC(中文本文) — 依 CLAUDE.md 建站規範禁用 Inter/Roboto/Arial/Helvetica */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800&family=Noto+Sans+TC:wght@400;500;700;900&display=swap');

:root {
  --color-primary: #00558c;
  --color-primary-dark: #014571;
  --color-accent: #22d0f0;
  --color-accent-2: #40a2e6;
  --color-ink: #1a1a1a;
  --color-gray-700: #3a3f44;
  --color-gray-600: #5c6066;
  --color-gray-300: #cbcbcb;
  --color-border: #dfdfdf;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f9fb;
  --color-footer: #141414;
  --font-display: 'Barlow', 'Noto Sans TC', sans-serif;
  --font-body: 'Noto Sans TC', 'Barlow', sans-serif;
  --max-width: 1200px;
  --header-h: 84px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.3; color: var(--color-primary-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 40px; height: auto; }
.brand-text { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; color: var(--color-primary-dark); letter-spacing: 0.02em; }
.brand-text small { display: block; font-weight: 500; font-size: 0.68rem; color: var(--color-gray-600); letter-spacing: 0.06em; }

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav ul { display: flex; gap: 0; }
.main-nav ul li { border-right: 1px solid var(--color-gray-300); }
.main-nav ul li:last-child { border-right: none; }
.main-nav a {
  font-family: var(--font-display); font-weight: 500; font-size: 0.92rem;
  letter-spacing: 0.01em;
  color: var(--color-gray-700); position: relative; padding: 6px 18px;
  transition: color .18s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }

.lang-switch { display: flex; gap: 10px; font-size: 0.78rem; color: var(--color-gray-600); font-family: var(--font-display); }
.lang-switch span.current { color: var(--color-primary); font-weight: 700; }
.lang-switch .soon { cursor: default; opacity: 0.55; }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at 12% 18%, rgba(34,208,240,0.16), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(64,162,230,0.22), transparent 48%),
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(25deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 64px),
    linear-gradient(160deg, #001b2e 0%, var(--color-primary-dark) 42%, var(--color-primary) 78%, #002a45 100%);
  color: #fff;
  padding: 148px 0 168px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; top: -120px; right: -80px; width: 420px; height: 420px;
  border: 1px solid rgba(255,255,255,0.16); border-radius: 50%;
}
.hero::before {
  content: "";
  position: absolute; top: 40px; right: 120px; width: 180px; height: 180px;
  border: 1px solid rgba(34,208,240,0.4); border-radius: 50%;
}
.hero .wrap { position: relative; }
.hero-eyebrow {
  display: inline-block; font-family: var(--font-display); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  font-size: 0.78rem; color: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.4); border-radius: 999px;
  padding: 7px 18px; margin-bottom: 34px;
}
.hero h1 {
  color: #fff; font-weight: 800; letter-spacing: -0.01em;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem); line-height: 1.08; max-width: 900px;
}
.hero p { margin-top: 26px; max-width: 620px; font-size: 1.08rem; color: rgba(255,255,255,0.82); }
.hero-cta { margin-top: 44px; display: flex; gap: 18px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.86rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 16px 30px; border-radius: 0; border: 1px solid transparent;
  min-width: 200px; justify-content: center;
  transition: all .2s ease;
}
.btn-primary { background: #fff; color: var(--color-primary-dark); border-color: #fff; }
.btn-primary:hover { background: transparent; color: #fff; }
.btn-outline { border-color: rgba(255,255,255,0.55); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn-outline.dark { border-color: var(--color-ink); color: var(--color-ink); }
.btn-outline.dark:hover { background: var(--color-ink); color: #fff; }

/* ---------- Sections ---------- */
section { padding: 108px 0; }
section.section-lg { padding: 150px 0; }
.section-soft { background: var(--color-bg-soft); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-eyebrow { font-family: var(--font-display); font-weight: 700; color: var(--color-accent-2); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.8rem; margin-bottom: 16px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); letter-spacing: -0.01em; }
.section-head p { margin-top: 16px; color: var(--color-gray-600); font-size: 1.02rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.card {
  background: #fff; border: 1px solid var(--color-border); border-radius: 0;
  overflow: hidden; transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
  display: flex; flex-direction: column;
}
.card:hover { box-shadow: 0 10px 24px rgba(0,20,40,0.08); transform: translateY(-4px); border-color: var(--color-accent-2); }
.card-thumb { aspect-ratio: 16/10; background: var(--color-bg-soft); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.card-date { font-family: var(--font-display); font-size: 0.78rem; color: var(--color-accent-2); font-weight: 700; letter-spacing: 0.04em; margin-bottom: 10px; }
.card-body h3 { font-size: 1.04rem; margin-bottom: 10px; }
.card-body p { color: var(--color-gray-600); font-size: 0.9rem; flex: 1; }
.card-more {
  margin-top: 16px; font-family: var(--font-display); font-weight: 600; font-size: 0.82rem;
  letter-spacing: 0.03em; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px;
  transition: gap .18s ease;
}
.card:hover .card-more { gap: 10px; }

/* ---------- Page header (interior pages) ---------- */
.page-hero {
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  padding: 52px 0 40px;
}
.breadcrumb { font-size: 0.82rem; color: var(--color-gray-600); margin-bottom: 14px; }
.breadcrumb a { color: var(--color-primary); }
.page-hero h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.page-hero p { margin-top: 12px; color: var(--color-gray-600); max-width: 680px; }

/* ---------- Content blocks ---------- */
.content-block { max-width: 820px; }
.content-block h2 { font-size: 1.35rem; margin: 40px 0 16px; padding-top: 8px; border-top: 1px solid var(--color-border); }
.content-block h2:first-child { border-top: none; margin-top: 0; }
.content-block p { margin-bottom: 14px; color: var(--color-gray-700); }
.content-block ol, .content-block ul.plain { margin: 0 0 14px 22px; color: var(--color-gray-700); }
.content-block ol li, .content-block ul.plain li { margin-bottom: 8px; list-style: decimal; }
.content-block ul.plain li { list-style: disc; }

.info-card {
  background: var(--color-bg-soft); border: 1px solid var(--color-border);
  border-radius: 0; padding: 26px 28px; margin-top: 8px;
}
.info-card dt { font-family: var(--font-display); font-weight: 700; color: var(--color-primary); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 14px; }
.info-card dt:first-child { margin-top: 0; }
.info-card dd { color: var(--color-gray-700); margin-top: 4px; }

/* ---------- Tabs (About) ---------- */
.tab-nav { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--color-border); margin-bottom: 32px; }
.tab-nav button {
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  padding: 12px 18px; border: none; background: none; cursor: pointer;
  color: var(--color-gray-600); border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tab-nav button.active { color: var(--color-primary); border-color: var(--color-accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Filter chips (Products) ---------- */
.filter-block { background: var(--color-bg-soft); border: 1px solid var(--color-border); border-radius: 0; padding: 26px 28px; margin-bottom: 44px; }
.filter-block .filter-note { font-size: 0.84rem; color: var(--color-gray-600); margin-bottom: 18px; }
.filter-group { margin-bottom: 18px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-primary); margin-bottom: 10px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 0.82rem; font-family: var(--font-display); font-weight: 600;
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--color-border);
  color: var(--color-gray-600); background: #fff; cursor: default;
}
.chip.on { border-color: var(--color-accent-2); color: var(--color-primary); background: #eaf4fb; }

/* ---------- Datasheet list ---------- */
.datasheet-list { border: 1px solid var(--color-border); border-radius: 0; overflow: hidden; }
.datasheet-list a {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px; border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem; color: var(--color-gray-700);
}
.datasheet-list a:last-child { border-bottom: none; }
.datasheet-list a:hover { background: var(--color-bg-soft); color: var(--color-primary); }
.datasheet-meta { font-size: 0.78rem; color: var(--color-gray-600); font-family: var(--font-display); white-space: nowrap; }

/* ---------- Region grid (Sales Channel) ---------- */
.region-card { background: #fff; border: 1px solid var(--color-border); border-radius: 0; padding: 24px; }
.region-card h3 { font-size: 1.05rem; margin-bottom: 14px; color: var(--color-primary); }
.region-card ul { display: flex; flex-direction: column; gap: 8px; }
.region-card a { font-size: 0.92rem; color: var(--color-gray-700); }
.region-card a:hover { color: var(--color-primary); }

.related-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; }
.related-links a {
  border: 1px solid var(--color-border); border-radius: 0; padding: 12px 18px;
  font-size: 0.86rem; font-weight: 600; font-family: var(--font-display);
}
.related-links a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 44px; align-items: start; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-family: var(--font-display); font-weight: 600; font-size: 0.86rem; margin-bottom: 6px; color: var(--color-gray-700); }
.form-row .req { color: #c0392b; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--color-border); border-radius: 3px;
  font-family: var(--font-body); font-size: 0.94rem; color: var(--color-ink); background: #fff;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--color-primary); }
.form-note { font-size: 0.8rem; color: var(--color-gray-600); margin-bottom: 24px; padding: 12px 16px; background: var(--color-bg-soft); border-left: 3px solid var(--color-accent-2); }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-footer); color: rgba(255,255,255,0.82); }
.footer-top { padding: 88px 0 48px; display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 30px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { margin-top: 14px; font-size: 0.86rem; color: rgba(255,255,255,0.55); max-width: 260px; }
.footer-col h4 { font-family: var(--font-display); font-weight: 700; color: #fff; font-size: 0.95rem; letter-spacing: 0.02em; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a, .footer-col span { font-size: 0.86rem; color: rgba(255,255,255,0.6); display: inline-flex; align-items: center; gap: 8px; transition: color .18s ease, transform .18s ease; }
.footer-col a::before, .footer-col span::before { content: "\2014"; color: rgba(255,255,255,0.35); }
.footer-col a:hover { color: var(--color-accent); transform: translateX(3px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.78rem; color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .brand-text { font-size: 0.92rem; }
  .brand img { width: 32px; }
  .lang-switch { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 5px;
    width: 40px; height: 40px; border: 1px solid var(--color-border); border-radius: 3px;
    background: none; cursor: pointer;
  }
  .nav-toggle span, .nav-toggle::before, .nav-toggle::after {
    content: ""; display: block; width: 20px; height: 2px; background: var(--color-primary-dark);
  }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    z-index: 99;
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 24px; gap: 0; transform: translateX(100%); transition: transform .25s ease;
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; width: 100%; gap: 4px; }
  .main-nav a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--color-border); width: 100%; }
  .main-nav .lang-switch { display: flex; margin-top: 20px; }

  .hero { padding: 56px 0 52px; }
  section { padding: 52px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; padding: 40px 0 24px; }
  .hero-cta { flex-direction: column; }
  .datasheet-list a { flex-direction: column; align-items: flex-start; gap: 4px; }
}