/* Modern Multi-Brand Design System */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700;900&family=Outfit:wght@300;400;600;700;800&display=swap');

:root {
  --primary-color: #0f52ba;
  --secondary-color: #00d2ff;
  --accent-color: #3a86ff;
  --bg-gradient: linear-gradient(135deg, #0a192f 0%, #0d254c 100%);
  --card-bg: rgba(15, 82, 186, 0.08);
  --border-color: rgba(0, 210, 255, 0.2);
  --glow-color: rgba(0, 210, 255, 0.4);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass-bg: rgba(15, 23, 42, 0.85);
  --glass-border: rgba(255, 255, 255, 0.1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Outfit', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Ambient Lights */
.bg-glow {
  position: absolute;
  top: -150px;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--glow-color) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.45;
  transition: var(--transition);
}

.bg-glow-2 {
  position: absolute;
  top: 600px;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-color) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(100px);
  opacity: 0.35;
  transition: var(--transition);
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 999;
  padding: 16px 0;
  transition: var(--transition);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #fff;
}

.logo-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 15px var(--glow-color);
  transition: var(--transition);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.tax-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--secondary-color);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--secondary-color);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-lang {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-lang:hover {
  background: var(--card-bg);
  border-color: var(--secondary-color);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 80px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title span {
  background: linear-gradient(135deg, #ffffff 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: #fff;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 25px var(--glow-color);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px var(--glow-color);
  filter: brightness(1.1);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid var(--border-color);
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--card-bg);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
}

.hero-card-wrapper {
  position: relative;
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.card-stat {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: 1px solid var(--border-color);
}

.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-subtitle {
  color: var(--secondary-color);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

/* Grid Layouts */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.service-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  background: var(--card-bg);
  border-color: var(--secondary-color);
  box-shadow: 0 15px 35px var(--glow-color);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 24px;
  box-shadow: 0 8px 20px var(--glow-color);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Core Capabilities Section */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.capability-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.capability-card:hover {
  border-color: var(--secondary-color);
  background: var(--card-bg);
}

.cap-badge {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--secondary-color);
  opacity: 0.8;
}

/* Clients Showcase */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.client-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: #e4e4e7;
  transition: var(--transition);
}

.client-chip i {
  color: var(--secondary-color);
}

.client-chip:hover {
  border-color: var(--border-color);
  background: var(--card-bg);
  transform: scale(1.02);
}

/* Partners Section */
.partners-flex {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.partner-card {
  padding: 16px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.partner-card i {
  color: var(--secondary-color);
}

/* Contact & Info Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.info-content h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 4px;
}

.info-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Form Elements */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-input, .form-textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 12px var(--glow-color);
}

/* Footer */
.footer {
  background: rgba(5, 10, 20, 0.95);
  border-top: 1px solid var(--glass-border);
  padding: 40px 0 30px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* Responsive Rules */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 20, 40, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-links.active {
    display: flex;
  }
  .hero-title {
    font-size: 2.1rem;
  }
}