:root {
  --color-primary: #1E40AF;
  --color-secondary: #38BDF8;
  --color-text: #1F2937;
  --color-muted: #526173;
  --color-surface: #FFFFFF;
  --color-soft: #F8FAFC;
  --color-border: #D7E2F0;
  --color-accent: #F59E0B;
  --color-accent-dark: #D97706;
  --color-deep: #0F172A;
  --shadow-soft: 0 1.2em 3em rgba(30, 64, 175, 0.10);
  --radius-lg: 1.5em;
  --radius-md: 1em;
  --section-space: 4em;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Sarabun", sans-serif;
  font-size: 1em;
  line-height: 1.7;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.10), transparent 32em),
    linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand-title,
.footer-brand {
  font-family: "Prompt", sans-serif;
  line-height: 1.2;
  color: var(--color-deep);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: #17358c;
}

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

.site-logo {
  display: block;
  object-fit: contain;
}

.navbar {
  backdrop-filter: blur(1em);
}

.site-navbar {
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.12), transparent 35%),
    linear-gradient(180deg, #10224e 0%, #0f172a 100%);
  border-bottom: 0.08em solid rgba(255, 255, 255, 0.08);
}

.brand-title {
  font-size: 1.15em;
  font-weight: 600;
}

.site-header .brand-title {
  color: #ffffff;
}

.brand-subtitle {
  display: block;
  font-size: 0.88em;
  color: var(--color-muted);
}

.site-header .brand-subtitle {
  color: #c1d0e4;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  padding: 0.65em 0.85em !important;
}

.site-header .nav-link {
  color: #dbe5f1;
}

.nav-link.active,
.nav-link:hover {
  color: var(--color-primary);
}

.site-header .nav-link.active,
.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: #ffffff;
}

.site-header .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.18);
}

.site-header .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2em rgba(56, 189, 248, 0.18);
}

.btn {
  border-radius: 999em;
  padding: 0.9em 1.4em;
  font-weight: 700;
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border: 0;
  color: #fff;
  box-shadow: 0 0.9em 2.2em rgba(245, 158, 11, 0.25);
}

.btn-accent:hover,
.btn-accent:focus {
  color: #fff;
  background: linear-gradient(135deg, #e89009, #c96a06);
}

.btn-outline-primary {
  border-color: rgba(30, 64, 175, 0.28);
  color: var(--color-primary);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.35);
}

.section {
  padding: var(--section-space) 0;
}

.section-soft {
  background: var(--color-soft);
}

.section-deep {
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.12), transparent 40%),
    linear-gradient(180deg, #10224e 0%, #0f172a 100%);
}

.section-hero-subpage {
  padding: 4.8em 0 4em;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.9em;
  font-size: 0.9em;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2.2em, 4vw, 4.4em);
  margin-bottom: 0.45em;
}

h2 {
  font-size: clamp(1.8em, 3vw, 3em);
  margin-bottom: 0.5em;
}

h3 {
  font-size: 1.35em;
  margin-bottom: 0.55em;
}

.lead {
  font-size: 1.18em;
  color: var(--color-muted);
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
  margin-top: 2em;
}

.hero-points {
  display: flex;
  gap: 0.8em;
  flex-wrap: wrap;
  margin-top: 1.6em;
}

.hero-points span,
.industry-chip {
  background: rgba(30, 64, 175, 0.08);
  color: var(--color-primary);
  border: 0.08em solid rgba(30, 64, 175, 0.14);
  border-radius: 999em;
  padding: 0.65em 1em;
  font-weight: 700;
}

.hero-media,
.media-card,
.form-shell,
.info-card,
.content-card,
.empty-state,
.feature-panel,
.timeline-card,
.industry-card {
  background: var(--color-surface);
  border: 0.08em solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.media-card,
.form-shell,
.info-card,
.feature-panel,
.empty-state,
.industry-card {
  padding: 1.4em;
}

.media-card figcaption {
  margin-top: 1em;
  font-size: 0.92em;
  color: var(--color-muted);
}

.section-heading {
  display: block;
  margin-bottom: 1.2em;
}

.comparison-table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 0.08em solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 1em;
}

.comparison-table {
  margin: 0;
}

.comparison-table th,
.comparison-table td {
  padding: 1.2em 1em;
  vertical-align: middle;
}

.comparison-highlight {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2em;
  flex-wrap: wrap;
}

.comparison-block {
  flex: 1 1 16em;
  padding: 1.6em;
  background: #fff;
  border: 0.08em solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.comparison-block.active {
  border-color: rgba(245, 158, 11, 0.38);
  box-shadow: 0 1em 2.5em rgba(245, 158, 11, 0.18);
}

.comparison-label {
  color: var(--color-muted);
  font-weight: 700;
}

.comparison-value {
  font-family: "Prompt", sans-serif;
  font-size: clamp(2.4em, 4vw, 4em);
  color: var(--color-primary);
}

.comparison-note {
  color: var(--color-muted);
}

.comparison-arrow {
  font-size: 2em;
  font-weight: 700;
  color: var(--color-accent);
}

.info-card,
.timeline-card,
.industry-card {
  height: 100%;
}

.step-index {
  display: inline-block;
  margin-bottom: 0.8em;
  font-family: "Prompt", sans-serif;
  font-size: 0.95em;
  font-weight: 600;
  color: var(--color-secondary);
}

.timeline-card {
  padding: 1.4em;
  color: #e5eefb;
  background: rgba(255, 255, 255, 0.06);
  border: 0.08em solid rgba(255, 255, 255, 0.12);
}

.timeline-card h3,
.timeline-card p {
  color: inherit;
}

.content-card {
  overflow: hidden;
}

.card-cover {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: linear-gradient(135deg, #dbeafe, #eff6ff);
}

.brand-logo-wrap {
  padding: 1.2em 1.2em 0;
}

.brand-logo {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border: 0.08em solid var(--color-border);
  border-radius: 1em;
  padding: 1.4em;
  display: block;
  margin: 0 auto;
}

.content-card-body {
  padding: 1.35em;
}

.content-card-body h2 a,
.content-card-body h3 a {
  color: inherit;
}

.article-card-title {
  font-size: clamp(1.15em, 1.6vw, 1.55em);
  line-height: 1.25;
  margin-bottom: 0.45em;
  min-height: 3.75em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.brand-card-title {
  font-size: clamp(1.05em, 1.25vw, 1.3em);
  line-height: 1.25;
  margin-bottom: 0.35em;
}

.meta-inline {
  margin-bottom: 0.7em;
  color: var(--color-muted);
  font-size: 0.92em;
}

.text-link {
  font-family: 'Prompt', sans-serif;
  font-weight: 700;
}

.feature-panel {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.check-list,
.info-list,
.footer-meta,
.footer-links {
  margin: 0;
  padding-left: 1.2em;
}

.article-content {
  font-size: 1.05em;
}

.article-content>*+* {
  margin-top: 1em;
}

.article-content img {
  border-radius: 1em;
}

.cta-section {
  padding-top: 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2em;
  padding: 2em;
  border-radius: calc(var(--radius-lg) + 0.4em);
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 24em),
    linear-gradient(135deg, #10224e 0%, #1E40AF 52%, #17358c 100%);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.cta-panel h2,
.cta-panel p {
  color: #fff;
}

.form-shell {
  padding: 1.8em;
}

.form-label {
  font-weight: 700;
  margin-bottom: 0.45em;
}

.form-control {
  padding: 0.85em 1em;
  border-radius: 1em;
  border-color: #cdd9ea;
}

.form-control:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 0.25em rgba(56, 189, 248, 0.15);
}

.form-control::placeholder {
  color: rgba(31, 41, 55, 0.35);
}

.breadcrumb-bar {
  padding: 1em 0 0;
}

.breadcrumb {
  font-size: 0.95em;
}

.site-footer {
  padding: 4em 0 2.2em;
  background: #0f172a;
  color: #dbe5f1;
}

.site-footer a {
  color: #fff;
}

.footer-heading {
  margin-bottom: 0.8em;
  font-family: "Prompt", sans-serif;
  font-size: 1.1em;
  color: #fff;
}

.footer-copy,
.footer-small {
  color: #c1d0e4;
}

.footer-small {
  font-size: 0.98em;
  line-height: 1.5;
}

.footer-small-stack span {
  display: block;
}

.footer-top,
.footer-middle {
  align-items: start;
}

.footer-divider {
  margin: 2em 0;
  border-top: 0.08em solid rgba(255, 255, 255, 0.1);
}

.footer-cta-actions {
  display: flex;
  gap: 0.9em;
  flex-wrap: wrap;
  margin-top: 1.1em;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45em 1.5em;
}

.footer-links li,
.footer-meta li {
  margin-bottom: 0.45em;
}

.footer-bottom {
  margin-top: 2.4em;
  padding-top: 1.4em;
  border-top: 0.08em solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 1em;
  flex-wrap: wrap;
  font-size: 0.92em;
  color: #c1d0e4;
}

.empty-state {
  text-align: center;
  padding: 2.4em 1.6em;
}

.shadow-soft {
  box-shadow: var(--shadow-soft);
}

@media (max-width: 991.98px) {
  :root {
    --section-space: 3em;
  }

  .site-header .navbar-collapse {
    margin-top: 1em;
    padding-top: 1em;
    border-top: 0.08em solid rgba(255, 255, 255, 0.1);
  }

  .footer-links-grid {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .cta-panel {
    display: block;
  }

  .cta-actions {
    margin-top: 1.5em;
  }
}

@media (max-width: 767.98px) {
  body {
    font-size: 0.97em;
  }

  .section-hero,
  .section-hero-subpage {
    padding-top: 4em;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .footer-cta-actions {
    flex-direction: column;
  }

  .hero-actions .btn,
  .cta-actions .btn,
  .footer-cta-actions .btn {
    width: 100%;
  }
}


.faq-shell {
  background: #fff;
  border: 0.08em solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-accordion .accordion-item {
  border: 0;
  border-bottom: 0.08em solid #e6eef8;
}

.faq-accordion .accordion-item:last-child {
  border-bottom: 0;
}

.faq-accordion .accordion-button {
  padding: 1.2em 1.4em;
  font-family: "Prompt", sans-serif;
  font-size: 1.08em;
  font-weight: 600;
  color: var(--color-deep);
  background: #fff;
  box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--color-primary);
  background: #f8fbff;
}

.faq-accordion .accordion-button:focus {
  box-shadow: inset 0 0 0 0.15em rgba(56, 189, 248, 0.15);
}

.faq-accordion .accordion-body {
  padding: 0 1.4em 1.3em;
  color: var(--color-muted);
}