/* SNS Biz — shared styles */
:root {
  --navy: #1a2b4e;
  --navy-dark: #131f3a;
  --gold: #b89b5e;
  --gold-light: #d4ba81;
  --body: #2a2a2a;
  --grey: #6b6b6b;
  --grey-light: #f3f3f0;
  --white: #ffffff;
  --max-width: 1140px;
}

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

html { scroll-behavior: smooth; }
body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--body);
  line-height: 1.6;
  background: var(--white);
}

a { color: var(--navy); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold); }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: 'Times New Roman', Georgia, serif;
  color: var(--navy);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: 44px; margin-bottom: 16px; }
h2 { font-size: 32px; margin-bottom: 14px; }
h3 { font-size: 20px; margin-bottom: 10px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; }
h4 { font-size: 16px; margin-bottom: 8px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; }

p { margin-bottom: 14px; color: var(--body); }

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

/* ===== Header ===== */
.site-header {
  background: var(--white);
  border-top: 4px solid var(--navy);
  border-bottom: 1px solid #e5e5e0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header::before {
  content: '';
  display: block;
  height: 1.5px;
  background: var(--gold);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand {
  display: inline-block;
  line-height: 0;
  font-family: 'Times New Roman', Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.brand .dot { color: var(--gold); }
.brand img {
  height: 44px;
  width: auto;
  display: block;
}
@media (max-width: 768px) {
  .brand img { height: 38px; }
}
/* Footer brand uses the reverse logo for dark background */
footer .brand { display: inline-block; line-height: 0; margin-bottom: 14px; }
footer .brand img { height: 52px; width: auto; }
nav ul { list-style: none; display: flex; gap: 28px; }
nav a {
  color: var(--body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.6px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
nav a:hover, nav a.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

/* Language switcher (EN | 简 | 繁) */
nav ul li.lang-item { margin-left: 6px; }
.lang-switch {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--gold);
  border-radius: 2px;
  overflow: hidden;
  font-size: 12px;
  line-height: 1;
}
.lang-switch button {
  border: none;
  background: transparent;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--navy);
  font-weight: 600;
  font-family: 'Helvetica Neue', Helvetica, Arial,
               'PingFang SC', 'PingFang TC', 'Microsoft YaHei', 'Microsoft JhengHei',
               sans-serif;
  border-right: 1px solid var(--gold);
  letter-spacing: 0.4px;
  transition: background 0.2s, color 0.2s;
  min-width: 32px;
}
.lang-switch button:last-child { border-right: none; }
.lang-switch button.active {
  background: var(--gold);
  color: var(--navy);
  cursor: default;
}
.lang-switch button:hover:not(.active) {
  background: rgba(184, 155, 94, 0.18);
}

/* Simplified Chinese typography */
body[data-lang="zh"] {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑',
               'Source Han Sans CN', 'Noto Sans SC', sans-serif;
}
body[data-lang="zh"] h1,
body[data-lang="zh"] h2,
body[data-lang="zh"] h3,
body[data-lang="zh"] h4,
body[data-lang="zh"] .brand,
body[data-lang="zh"] .stat .num,
body[data-lang="zh"] .team-card h3,
body[data-lang="zh"] .svc-row h3 {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑',
               'Source Han Sans CN', 'Noto Sans SC', sans-serif;
  letter-spacing: 1px;
}

/* Traditional Chinese typography */
body[data-lang="zh-TW"] {
  font-family: 'PingFang TC', 'Hiragino Sans CNS', 'Microsoft JhengHei', '微軟正黑體',
               'Source Han Sans TC', 'Noto Sans TC', sans-serif;
}
body[data-lang="zh-TW"] h1,
body[data-lang="zh-TW"] h2,
body[data-lang="zh-TW"] h3,
body[data-lang="zh-TW"] h4,
body[data-lang="zh-TW"] .brand,
body[data-lang="zh-TW"] .stat .num,
body[data-lang="zh-TW"] .team-card h3,
body[data-lang="zh-TW"] .svc-row h3 {
  font-family: 'PingFang TC', 'Hiragino Sans CNS', 'Microsoft JhengHei', '微軟正黑體',
               'Source Han Sans TC', 'Noto Sans TC', sans-serif;
  letter-spacing: 1px;
}

/* Shared CJK adjustments */
body[data-lang="zh"] .brand,
body[data-lang="zh-TW"] .brand { letter-spacing: 3px; }
body[data-lang="zh"] nav a,
body[data-lang="zh-TW"] nav a { letter-spacing: 0.4px; }
body[data-lang="zh"] .btn,
body[data-lang="zh-TW"] .btn { letter-spacing: 1px; }
body[data-lang="zh"] .hero h1,
body[data-lang="zh-TW"] .hero h1 { font-size: 44px; }
body[data-lang="zh"] .stat .label,
body[data-lang="zh-TW"] .stat .label { letter-spacing: 0.6px; }

/* ===== Hero / Page Header ===== */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 90px 0 110px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gold);
}
.hero h1 {
  color: var(--white);
  font-size: 52px;
  max-width: 720px;
  margin-bottom: 20px;
}
.hero .lede {
  font-size: 19px;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin-bottom: 30px;
  line-height: 1.55;
}
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }

.page-header {
  background: var(--grey-light);
  padding: 60px 0 50px;
  border-bottom: 3px solid var(--gold);
}
.page-header h1 { margin-bottom: 8px; }
.page-header p { color: var(--grey); font-size: 17px; max-width: 720px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 12px 26px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: 2px;
  transition: all 0.2s;
  cursor: pointer;
}
.btn-primary { background: var(--gold); color: var(--navy); }
.btn-primary:hover { background: var(--gold-light); color: var(--navy); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Sections ===== */
section { padding: 70px 0; }
.section-title {
  text-align: center;
  margin-bottom: 14px;
}
.section-sub {
  text-align: center;
  color: var(--grey);
  max-width: 680px;
  margin: 0 auto 50px;
  font-size: 16px;
}
.section-divider {
  width: 60px;
  height: 2px;
  background: var(--gold);
  margin: 18px auto 30px;
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.card {
  background: var(--white);
  border: 1px solid #e5e5e0;
  border-top: 3px solid var(--gold);
  padding: 32px 26px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(20,35,70,0.10);
}
.card .icon {
  font-family: 'Times New Roman', Georgia, serif;
  color: var(--gold);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
}
.card h3 { color: var(--navy); margin-bottom: 12px; }
.card p { color: var(--grey); font-size: 15px; }

/* ===== Two-column ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ===== Stats / strip ===== */
.stats {
  background: var(--grey-light);
}
.stats .row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
  text-align: center;
}
.stat .num {
  font-family: 'Times New Roman', Georgia, serif;
  font-size: 44px;
  color: var(--navy);
  font-weight: 700;
  line-height: 1;
}
.stat .label {
  display: block;
  color: var(--grey);
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 8px;
}

/* ===== Service list (Services page) ===== */
.svc-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid #e5e5e0;
}
.svc-row:last-child { border-bottom: none; }
.svc-row h3 {
  font-family: 'Times New Roman', Georgia, serif;
  color: var(--navy);
  font-size: 22px;
  position: relative;
  padding-left: 14px;
}
.svc-row h3::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 3px;
  background: var(--gold);
}
.svc-row ul { list-style: none; padding-left: 0; }
.svc-row li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--body);
  font-size: 15px;
}
.svc-row li::before {
  content: '·';
  position: absolute;
  left: 6px; top: -3px;
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
}
@media (max-width: 768px) {
  .svc-row { grid-template-columns: 1fr; gap: 14px; }
}

/* ===== About page ===== */
.team-card {
  background: var(--white);
  border: 1px solid #e5e5e0;
  border-left: 4px solid var(--gold);
  padding: 30px;
  max-width: 560px;
}
.team-card .role {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.team-card h3 {
  font-family: 'Times New Roman', Georgia, serif;
  font-size: 26px;
  color: var(--navy);
  margin-bottom: 14px;
}

/* ===== CTA strip ===== */
.cta {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 60px 0;
  border-top: 3px solid var(--gold);
}
.cta h2 { color: var(--white); margin-bottom: 10px; }
.cta p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }

/* ===== Footer ===== */
footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.75);
  padding: 50px 0 26px;
  font-size: 14px;
}
footer .row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
footer h4 {
  color: var(--gold);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
footer a { color: rgba(255,255,255,0.8); }
footer a:hover { color: var(--gold); }
footer .brand { color: var(--white); margin-bottom: 12px; display: block; }
footer .legal {
  text-align: center;
  padding-top: 20px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
@media (max-width: 768px) {
  footer .row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
}