/* =========================================================
   SYBRAND 品牌策略形象官網 — 前台共用樣式
   復刻對象：https://sybrandcms-xbucr3ah.manus.space/
   ========================================================= */

:root {
  --navy: #0f2d4f;
  --navy-deep: #0a1a2e;
  --navy-light: #1a4a7a;
  --gold: #c9a84c;
  --gold-light: #e8d48b;
  --cream: #faf8f5;
  --warm-gray: #8b8680;
  --ink: #1a1a1a;
  --line: #e7e2d8;
  --white: #ffffff;
  --maxw: 1200px;
  --nav-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans TC', 'PingFang TC', sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

.font-display {
  font-family: 'Noto Serif TC', 'Playfair Display', serif;
  font-weight: 700;
}

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 34px; font-size: 14px;
  letter-spacing: .05em; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: all .3s; }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--navy); }
.btn-outline { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-outline-navy { border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: #fff; }

/* ---------- Nav ---------- */
.site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center; transition: background .35s, box-shadow .35s, height .35s; }
.site-nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.site-nav.transparent { background: transparent; }
.site-nav.solid { background: rgba(255,255,255,.98); box-shadow: 0 2px 24px rgba(15,45,79,.08); height: 72px; }
.nav-logo { font-family: 'Noto Serif TC', serif; font-weight: 900; font-size: 22px; letter-spacing: .1em; color: #fff; }
.site-nav.solid .nav-logo { color: var(--navy); }
.nav-links { display: flex; gap: 8px; list-style: none; }
.nav-links a { display: inline-block; padding: 10px 16px; font-size: 14.5px; font-weight: 500; color: rgba(255,255,255,.88); position: relative; }
.site-nav.solid .nav-links a { color: var(--ink); }
.nav-links a.active,
.nav-links a:hover { color: var(--gold); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 26px; cursor: pointer; }
.site-nav.solid .nav-toggle { color: var(--navy); }

@media (max-width: 980px) {
  .nav-links { position: fixed; top: 0; right: -100%; bottom: 0; width: min(320px, 84%); background: var(--navy-deep);
    flex-direction: column; padding: 100px 32px 40px; gap: 4px; transition: right .35s; overflow-y: auto; }
  .nav-links.open { right: 0; box-shadow: -12px 0 40px rgba(0,0,0,.35); }
  .nav-links a { color: #fff !important; width: 100%; padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-toggle { display: block; }
  .site-nav .container { padding: 0 20px; }
}

/* ---------- Hero (home) ---------- */
.hero { min-height: 100vh; position: relative; display: flex; align-items: center; overflow: hidden;
  background: radial-gradient(ellipse at 70% 20%, #142c47 0%, var(--navy-deep) 55%, #060b12 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .35; pointer-events: none; z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; opacity: .38; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse at 70% 20%, rgba(20,44,71,.75) 0%, rgba(6,11,18,.88) 100%); pointer-events: none; }
.hero-content { position: relative; z-index: 2; padding-top: var(--nav-h); }
.hero-eyebrow { color: var(--gold-light); letter-spacing: .3em; font-size: 13px; font-weight: 600; margin-bottom: 28px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 5rem); line-height: 1.22; color: #fff; margin: 0 0 28px; }
.hero p.lead { color: rgba(255,255,255,.68); font-size: 1.15rem; max-width: 620px; margin: 0 0 44px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Page header (non-home) ---------- */
.page-header { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: calc(var(--nav-h) + 70px) 0 70px; color: #fff; text-align: center; position: relative; overflow: hidden; }
.page-header::before { content: ""; position: absolute; inset: 0; opacity: .25;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 56px 56px; }
.page-header .eyebrow { position: relative; z-index: 1; color: var(--gold-light); letter-spacing: .3em; font-size: 12px; font-weight: 600; margin-bottom: 18px; }
.page-header h1 { position: relative; z-index: 1; font-size: clamp(2rem, 4vw, 2.8rem); margin: 0 0 14px; }
.page-header p { position: relative; z-index: 1; color: rgba(255,255,255,.72); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ---------- Section scaffolding ---------- */
.section { padding: 110px 0; }
.section.tight { padding: 80px 0; }
.section.bg-cream { background: var(--cream); }
.section.bg-navy { background: var(--navy); color: #fff; }
.eyebrow { display: block; text-align: center; color: var(--gold); letter-spacing: .28em; font-size: 12px; font-weight: 700; margin-bottom: 16px; }
.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); text-align: center; margin: 0 0 18px; }
.section-sub { text-align: center; color: var(--warm-gray); max-width: 620px; margin: 0 auto 60px; font-size: 1.02rem; }
.section.bg-navy .section-sub { color: rgba(255,255,255,.62); }

/* ---------- Grid ---------- */
.grid { display: grid; gap: 32px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Cards ---------- */
.card-service { background: #fff; border: 1px solid var(--line); transition: all .35s; height: 100%; }
.card-service:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(15,45,79,.12); border-color: var(--gold); }
.card-service .thumb { height: 190px; background-size: cover; background-position: center; background-color: var(--cream); }
.card-service .body { padding: 30px 28px; }
.card-service .tag { display: inline-block; font-size: 11.5px; letter-spacing: .1em; color: var(--gold); font-weight: 700; margin-bottom: 10px; }
.card-service h3 { font-size: 1.15rem; margin: 0 0 12px; }
.card-service p { color: var(--warm-gray); font-size: .92rem; line-height: 1.75; margin: 0; }
.card-service .num { font-family: 'Noto Serif TC', serif; color: var(--line); font-size: 2.4rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }

.card-content { background: #fff; overflow: hidden; transition: all .35s; display: block; border: 1px solid var(--line); }
.card-content:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(15,45,79,.12); }
.card-content .thumb { height: 220px; background-size: cover; background-position: center; background-color: var(--cream); position: relative; }
.card-content .thumb .ph-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--warm-gray); font-size: 2.4rem; }
.card-content .body { padding: 26px; }
.card-content .badge { display: inline-block; background: var(--navy); color: #fff; font-size: 11px; letter-spacing: .05em; padding: 5px 12px; margin-bottom: 12px; }
.card-content h3 { font-size: 1.05rem; margin: 0 0 10px; line-height: 1.5; }
.card-content p { color: var(--warm-gray); font-size: .88rem; line-height: 1.7; margin: 0 0 14px; }
.card-content .meta { color: var(--warm-gray); font-size: .78rem; letter-spacing: .03em; }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: 90px 20px; color: var(--warm-gray); grid-column: 1/-1; }
.empty-state .glyph { font-size: 2.6rem; color: var(--line); margin-bottom: 18px; }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta h2 { color: #fff; margin: 0 0 20px; font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.cta p { color: rgba(255,255,255,.65); max-width: 520px; margin: 0 auto 40px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.65); padding: 90px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer-grid h4 { color: var(--gold); font-size: 13px; letter-spacing: .12em; margin: 0 0 22px; }
.footer-grid p, .footer-grid li { font-size: .9rem; line-height: 2.1; }
.footer-grid a:hover { color: var(--gold); }
.footer-brand { font-family: 'Noto Serif TC', serif; font-size: 1.6rem; color: #fff; margin-bottom: 18px; letter-spacing: .06em; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 26px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; font-size: .82rem; }
@media (max-width: 980px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .footer-grid { grid-template-columns: 1fr; gap: 36px; } .footer-bottom { flex-direction: column; text-align: center; } }

/* ---------- Cases page (ibest.tw/work inspired filter + grid) ---------- */
.case-toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.case-tabs { display: flex; gap: 10px; flex-wrap: wrap; flex: 1; }
.case-tab { padding: 11px 22px; border: 1px solid var(--line); border-radius: 999px; font-size: .88rem; font-weight: 600;
  color: var(--ink); background: #fff; cursor: pointer; transition: all .25s; white-space: nowrap; }
.case-tab:hover { border-color: var(--gold); color: var(--gold); }
.case-tab.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.case-search { display: flex; align-items: center; gap: 10px; }
.case-search input { border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font-size: .88rem; width: 200px; outline: none; }
.case-search input:focus { border-color: var(--gold); }
.case-search button { width: 42px; height: 42px; border-radius: 50%; background: var(--gold); color: #fff; border: none; cursor: pointer; font-size: 1rem; }
.case-count { color: var(--warm-gray); font-size: .85rem; margin-bottom: 34px; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.case-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.case-card { display: block; }
.case-card .thumb { aspect-ratio: 4/3; background-size: cover; background-position: center; background-color: var(--cream); overflow: hidden; position: relative; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover .thumb img { transform: scale(1.06); }
.case-card .thumb .ph-icon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--warm-gray); font-size: 2.2rem; }
.case-card .tag-pill { position: absolute; top: 14px; left: 14px; background: rgba(15,45,79,.85); color: #fff; font-size: 11px; letter-spacing: .04em; padding: 5px 12px; z-index: 2; }
.case-card .cap { padding-top: 16px; }
.case-card .cap h4 { font-size: 1rem; margin: 0 0 4px; font-weight: 700; }
.case-card .cap .client { color: var(--warm-gray); font-size: .82rem; }
@media (max-width: 1080px) { .case-grid, .case-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) {
  .case-grid, .case-grid.cols-3 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .case-toolbar { flex-direction: column; align-items: stretch; }
  .case-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .case-tabs::-webkit-scrollbar { display: none; }
  .case-tab { flex-shrink: 0; }
  .case-search { width: 100%; }
  .case-search input { width: 100%; flex: 1; }
}
@media (max-width: 480px) { .case-grid, .case-grid.cols-3 { grid-template-columns: repeat(2, 1fr); gap: 14px; } }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 60px; flex-wrap: wrap; }
.pagination a, .pagination span { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); font-size: .88rem; color: var(--ink); }
.pagination a:hover { border-color: var(--gold); color: var(--gold); }
.pagination .current { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ---------- Detail article ---------- */
.article-detail { max-width: 760px; margin: 0 auto; }
.article-detail .meta-row { color: var(--warm-gray); font-size: .88rem; margin-bottom: 24px; }
.article-detail .cover { width: 100%; aspect-ratio: 16/9; object-fit: cover; margin-bottom: 44px; background: var(--cream); }
.article-detail .body-text { font-size: 1.02rem; line-height: 2; color: #333; }
.article-detail .body-text p { margin: 0 0 26px; }

/* ---------- Contact ---------- */
.contact-info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info-item .ic { width: 42px; height: 42px; border: 1px solid var(--gold); color: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.form-panel { background: var(--cream); padding: 44px; border: 1px solid var(--line); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: .85rem; font-weight: 600; }
.field input, .field textarea { border: 1px solid var(--line); background: #fff; padding: 13px 14px; font: inherit; outline: none; }
.field input:focus, .field textarea:focus { border-color: var(--gold); }
@media (max-width: 760px) { .field-row { grid-template-columns: 1fr; } .form-panel { padding: 28px; } }

/* ---------- misc ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; gap: 36px; } }
.stat-row { display: flex; gap: 60px; margin-top: 40px; flex-wrap: wrap; }
.stat-row .num { font-family: 'Noto Serif TC', serif; font-size: 2.2rem; color: var(--navy); font-weight: 700; }
.stat-row .lbl { color: var(--warm-gray); font-size: .85rem; margin-top: 4px; }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 50px; }
.value-item { text-align: center; padding: 40px 24px; border: 1px solid var(--line); }
.value-item .idx { font-family: 'Noto Serif TC', serif; color: var(--gold); font-size: 1.4rem; margin-bottom: 18px; }
.value-item h4 { margin: 0 0 14px; font-size: 1.1rem; }
.value-item p { color: var(--warm-gray); font-size: .9rem; line-height: 1.8; margin: 0; }
@media (max-width: 760px) { .value-grid { grid-template-columns: 1fr; } }

.business-card { text-align: center; padding: 46px 30px; border: 1px solid var(--line); transition: all .3s; }
.business-card:hover { border-color: var(--gold); box-shadow: 0 24px 60px rgba(15,45,79,.1); }
.business-card .mark { width: 96px; height: 96px; border-radius: 50%; background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: #fff; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-family: 'Noto Serif TC', serif; font-size: 1.6rem; }
.business-card h3 { margin: 0 0 12px; font-size: 1.1rem; }
.business-card p { color: var(--warm-gray); font-size: .9rem; line-height: 1.8; margin: 0 0 20px; }

.skip-link:focus { position: fixed; top: 8px; left: 8px; background: #fff; padding: 8px 14px; z-index: 999; }

/* ---------- Promo banner strip (Banner 管理版位：首頁中段廣告／服務頁／案例頁) ---------- */
.promo-banner { background: linear-gradient(120deg, var(--gold) 0%, #b8923f 100%); padding: 44px 0; }
.promo-banner .inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.promo-banner h3 { color: #fff; font-size: 1.3rem; margin: 0 0 6px; font-family: 'Noto Serif TC', serif; }
.promo-banner p { color: rgba(255,255,255,.85); margin: 0; font-size: .92rem; }
.promo-banner .btn { background: #fff; color: var(--navy); flex-shrink: 0; }
.promo-banner .btn:hover { background: var(--navy); color: #fff; }
@media (max-width: 620px) { .promo-banner .inner { flex-direction: column; text-align: center; } }

/* ---------- Brand video wall (品牌影片牆) ---------- */
.video-card { background: #fff; border: 1px solid var(--line); overflow: hidden; }
.video-card video { width: 100%; aspect-ratio: 16/9; display: block; background: #000; }
.video-card .cap { padding: 24px 26px; }
.video-card .cap h4 { margin: 0 0 10px; font-size: 1.05rem; }
.video-card .cap p { margin: 0; color: var(--warm-gray); font-size: .88rem; line-height: 1.7; }

/* ---------- Business entities (品牌事業體) — layout inspired by namliong-group.com/data-72226 ---------- */
.entity-tabbar { display: flex; justify-content: center; gap: 50px; border-bottom: 1px solid var(--line); margin-bottom: 64px; }
.entity-tab { padding: 16px 4px; font-size: .98rem; font-weight: 700; color: var(--warm-gray); background: none; border: none; border-bottom: 2px solid transparent;
  cursor: pointer; position: relative; top: 1px; transition: color .2s, border-color .2s; }
.entity-tab.active { color: var(--navy); border-bottom-color: var(--gold); }
.entity-tab:hover { color: var(--navy); }

.entity-panel { display: none; }
.entity-panel.active { display: block; }

.entity-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px 24px; justify-content: center; }
.entity-item { text-align: center; }
.entity-circle { width: 200px; height: 200px; border-radius: 50%; margin: 0 auto; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 20px; border: 1px solid var(--line); transition: transform .3s, box-shadow .3s; }
.entity-circle h3 { font-family: 'Noto Serif TC', serif; font-size: 1.15rem; font-weight: 700; margin: 0; line-height: 1.5; }
.entity-item:hover .entity-circle { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(15,45,79,.14); }
.entity-circle.fill-navy { background: var(--navy); border-color: var(--navy); }
.entity-circle.fill-navy h3 { color: #fff; }
.entity-circle.fill-white { background: #fff; }
.entity-circle.fill-white h3 { color: var(--navy); }
.entity-more { display: inline-flex; align-items: center; gap: 10px; margin-top: 22px; font-size: .85rem; color: var(--ink); }
.entity-more .arrow { width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background .2s; }
.entity-item:hover .entity-more .arrow { background: var(--gold); }
.entity-item .desc { color: var(--warm-gray); font-size: .82rem; margin-top: 10px; line-height: 1.6; }

.industry-group { margin-bottom: 56px; }
.industry-group h4 { font-family: 'Noto Serif TC', serif; font-size: 1.05rem; color: var(--navy); border-left: 3px solid var(--gold); padding-left: 14px; margin: 0 0 28px; }

.entity-grid.cols-1 { grid-template-columns: 1fr; max-width: 260px; margin: 0 auto; }
.entity-grid.cols-2 { grid-template-columns: repeat(2, 1fr); max-width: 520px; margin: 0 auto; }
.entity-grid.cols-3 { grid-template-columns: repeat(3, 1fr); max-width: 720px; margin: 0 auto; }

@media (max-width: 980px) {
  .entity-grid, .entity-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .entity-grid, .entity-grid.cols-1, .entity-grid.cols-2, .entity-grid.cols-3 { grid-template-columns: 1fr; gap: 48px; max-width: 280px; }
  .entity-circle { width: 240px; height: 240px; }
  .entity-tabbar { gap: 30px; }
}