/* ==========================================================================
   桃園申請公司登記.tw — 現代企業級服務平台 Design System Stylesheet
   Color Theme: Navy Primary (#1b365d), Teal Accent (#0d7685), Ice Slate (#f4f7fb)
   Typography: Enhanced Font Size (+2pt on general body, cards, steps, tables, notices, FAQs)
   ========================================================================== */

:root {
  --primary: #1b365d;
  --primary-dark: #0f2444;
  --primary-light: #2c5282;
  --secondary: #0d7685;
  --secondary-hover: #085460;
  --secondary-light: #e0f2f1;
  --bg-page: #f4f7fb;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #475569;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --border-dark: #cbd5e1;
  --accent-amber: #b45309;
  --accent-amber-bg: #fef3c7;
  --accent-green: #047857;
  --accent-green-bg: #d1fae5;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
}

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

body {
  font-family: var(--font-base);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 18.5px;
  -webkit-font-smoothing: antialiased;
}

p {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 14px;
}

a {
  color: var(--secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary-hover);
  text-decoration: underline;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Nav (Maintains Original Font Sizes) */
.site-header {
  background: var(--primary-dark);
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-logo:hover {
  text-decoration: none;
  color: #ffffff;
}

.brand-badge {
  background: var(--secondary);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: #e2e8f0;
  padding: 8px 12px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
  background: rgba(255,255,255,0.12);
  text-decoration: none;
}

.nav-btn {
  background: var(--secondary);
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s ease;
}

.nav-btn:hover {
  background: var(--secondary-hover);
  text-decoration: none;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  cursor: pointer;
}

/* Breadcrumb */
.breadcrumb-wrap {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
  font-size: 0.92rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  color: var(--text-light);
}

.breadcrumb-item a {
  color: var(--text-muted);
}

.breadcrumb-item a:hover {
  color: var(--primary);
}

.breadcrumb-sep {
  color: var(--border-dark);
}

.breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #ffffff;
  padding: 50px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-single {
  grid-template-columns: 1fr;
  text-align: left;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 118, 133, 0.35);
  border: 1px solid rgba(13, 118, 133, 0.6);
  color: #a7f3d0;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(1.85rem, 3.8vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-desc {
  font-size: 1.2rem;
  color: #e2e8f0;
  line-height: 1.75;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary {
  background: #0d9488;
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.3);
}

.btn-primary:hover {
  background: #0f766e;
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 1.5px solid rgba(255,255,255,0.7);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: #ffffff;
  text-decoration: none;
}

/* Hero Console Card */
.hero-card {
  background: #ffffff;
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.hero-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.05rem;
  line-height: 1.65;
}

.step-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--secondary-light);
  color: var(--secondary);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
  margin-top: 2px;
}

/* Page Layout */
.main-content {
  padding: 48px 0 64px;
}

.section-block {
  margin-bottom: 48px;
}

.section-header {
  margin-bottom: 24px;
}

.section-title {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 24px;
  background: var(--secondary);
  border-radius: 3px;
}

.section-subtitle {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Cards & Grid */
.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: 18px;
}

.grid-2 > *, .grid-3 > *, .grid-4 > * {
  min-width: 0;
  max-width: 100%;
}

.feature-card {
  min-width: 0;
  max-width: 100%;
  word-break: break-word;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary);
}

.card-icon {
  font-size: 1.85rem;
  margin-bottom: 14px;
  color: var(--secondary);
}

.card-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.card-text {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 18px;
  flex-grow: 1;
}

.card-link {
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Timeline & Process */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 10px;
}

.timeline-step {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--secondary);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
}

.step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.step-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-num {
  background: var(--secondary);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}

.step-agency {
  font-size: 0.85rem;
  color: var(--text-light);
  background: #f1f5f9;
  padding: 3px 8px;
  border-radius: 4px;
}

.step-desc {
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

/* Notice Box */
.notice-box {
  background: var(--accent-amber-bg);
  border: 1px solid #fcd34d;
  border-left: 4px solid var(--accent-amber);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  color: #78350f;
  margin: 24px 0;
  font-size: 1.08rem;
  line-height: 1.75;
}

.notice-title {
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.success-box {
  background: var(--accent-green-bg);
  border: 1px solid #6ee7b7;
  border-left: 4px solid var(--accent-green);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  color: #065f46;
  margin: 24px 0;
  font-size: 1.08rem;
  line-height: 1.75;
}

/* Tables */
.table-wrap {
  min-width: 0;
  max-width: 100%;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 1.05rem;
}

.data-table th {
  background: #f8fafc;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 20px;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.05rem;
  line-height: 1.7;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: #f8fafc;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  padding: 18px 22px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  background: #ffffff;
  font-size: 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  line-height: 1.5;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--secondary);
  font-weight: 400;
  transition: transform 0.2s ease;
}

details[open] .faq-question::after {
  content: '−';
}

details[open] .faq-question {
  border-bottom: 1px solid var(--border-color);
  background: #f8fafc;
}

.faq-answer {
  padding: 20px 22px;
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

/* Region Grid & Badges */
.region-badge-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.region-badge {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.region-badge:hover {
  border-color: var(--secondary);
  background: var(--secondary-light);
  color: var(--secondary-hover);
  text-decoration: none;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 48px 0;
  border-radius: var(--radius-lg);
  margin: 48px 0 20px;
  text-align: center;
}

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 1.18rem;
  color: #e2e8f0;
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 24px;
}

.cta-contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: #94a3b8;
  padding: 50px 0 24px;
  font-size: 1.02rem;
  line-height: 1.7;
  border-top: 4px solid var(--secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col-title {
  color: #ffffff;
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255,255,255,0.1);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #cbd5e1;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-info-item {
  margin-bottom: 10px;
  line-height: 1.7;
  font-size: 1.02rem;
}

.footer-info-item strong {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.92rem;
  color: #64748b;
}

/* Mobile Sticky Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 10px 16px;
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.mobile-sticky-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btn-sticky-phone {
  background: var(--primary);
  color: #ffffff !important;
  text-align: center;
  padding: 10px 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-sticky-line {
  background: #06c755;
  color: #ffffff !important;
  text-align: center;
  padding: 10px 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    font-size: 18px;
    padding-bottom: 60px;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.is-active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .mobile-sticky-bar {
    display: block;
  }
}