:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary: #06b6d4;
  --accent: #f97316;
  --accent-light: #ffedd5;
  --gradient-main: linear-gradient(135deg, #2563eb 0%, #06b6d4 50%, #f97316 100%);
  --gradient-bg: linear-gradient(180deg, #f0f7ff 0%, #fcfdfe 40%, #fff7ed 100%);
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border: #e2e8f0;
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(37, 99, 235, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 30px -10px rgba(37, 99, 235, 0.12), 0 10px 15px -3px rgba(15, 23, 42, 0.05);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: #f8fafc;
}

body {
  line-height: 1.6;
  background: var(--gradient-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Header & Navigation */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-area a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: -0.5px;
  margin-left: 8px;
}

.brand-title span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-links li a {
  display: inline-block;
  padding: 8px 14px;
  color: #334155;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.nav-links li a:hover {
  color: var(--primary);
  background: #eff6ff;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  padding: 10px 22px;
  font-size: 0.95rem;
  line-height: 1.4;
}

.btn-primary {
  background: var(--gradient-main);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
  color: #ffffff;
}

.btn-outline {
  background: #ffffff;
  color: var(--primary);
  border-color: #bfdbfe;
}

.btn-outline:hover {
  background: #eff6ff;
  border-color: var(--primary);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #1e293b;
  cursor: pointer;
  padding: 6px;
}

/* Sections Common */
section {
  padding: 70px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hero Section (No Images as required) */
.hero-section {
  padding: 90px 0 60px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 6px 16px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: #334155;
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.stat-item h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Card & Grid Standards */
.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: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #eff6ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* Tag Cloud for Models */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
}

.tag-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #334155;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.tag-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #eff6ff;
  transform: scale(1.04);
}

/* Process Timeline */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.process-step {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #ffffff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  font-size: 1rem;
}

/* Comparison Table */
.table-container {
  overflow-x: auto;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: #f8fafc;
  color: #1e293b;
  font-weight: 700;
  font-size: 1rem;
}

.comparison-table tr:hover td {
  background: #f1f5f9;
}

.highlight-row {
  background: #eff6ff !important;
  font-weight: 600;
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fef08a;
  color: #854d0e;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
}

/* Form Styles */
.form-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #1e293b;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--text-main);
  background: #ffffff;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.25s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.98rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Testimonials */
.review-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.review-author {
  font-weight: 700;
  color: #1e293b;
  font-size: 1rem;
}

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

.review-text {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.6;
  margin-bottom: 12px;
  flex-grow: 1;
}

.review-stars {
  color: #eab308;
  font-size: 0.9rem;
}

/* Media Showcase */
.media-box {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.media-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #f1f5f9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-img-wrap.square {
  aspect-ratio: 1 / 1;
}

.media-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.media-box:hover .media-img-wrap img {
  transform: scale(1.05);
}

.media-info {
  padding: 20px;
}

.media-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 8px;
}

.media-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Articles & Links */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: #1e293b;
  font-weight: 600;
  transition: var(--transition);
}

.article-item:hover {
  background: #f8fafc;
  border-color: var(--primary);
  color: var(--primary);
  transform: translateX(4px);
}

/* Footer & Friendly Links */
footer.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px 0;
  border-top: 1px solid #1e293b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.contact-badge-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.95rem;
}

.contact-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qr-code-box {
  background: #ffffff;
  padding: 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
  max-width: 130px;
  margin-top: 8px;
}

.friendly-links-wrap {
  border-top: 1px solid #334155;
  padding: 24px 0;
  margin-bottom: 24px;
}

.friendly-links-wrap h5 {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.friendly-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.friendly-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.friendly-links a:hover {
  color: #38bdf8;
}

.copyright-bar {
  text-align: center;
  font-size: 0.875rem;
  color: #64748b;
  border-top: 1px solid #1e293b;
  padding-top: 24px;
}

/* Floating Customer Support */
.floating-support {
  position: fixed;
  right: 24px;
  bottom: 30px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
  text-decoration: none;
  font-size: 1.2rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.float-btn:hover {
  transform: scale(1.1);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .grid-4, .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .grid-2, .grid-3, .grid-4, .process-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .form-card {
    padding: 24px;
  }
}