:root {
  --brand-purple: #8b5cf6;
  --brand-purple-light: #a78bfa;
  --brand-green: #22c55e;
  --brand-green-light: #4ade80;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-section: #f1f5f9;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.breadcrumb {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
}
.breadcrumb-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}
.breadcrumb-inner a {
  color: var(--text-muted);
  text-decoration: none;
}
.breadcrumb-inner a:hover {
  color: var(--brand-purple);
}
.breadcrumb-inner span.active {
  color: var(--text-secondary);
  font-weight: 500;
}
.breadcrumb-sep {
  opacity: 0.5;
}

.hero {
  background: var(--bg-white);
  padding: 64px 24px 56px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--brand-purple);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero h1 .highlight {
  color: var(--brand-green);
}
.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-white);
}
.tag.purple {
  background: #f3f0ff;
  border-color: #ddd6fe;
  color: #6d28d9;
}
.tag.green {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}
.tag.blue {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

.hero-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-card-top {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.hero-card-top::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(
    circle,
    rgba(139, 92, 246, 0.25) 0%,
    transparent 70%
  );
  border-radius: 50%;
}
.hero-card-logo {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero-card-title {
  font-size: 20px;
  font-weight: 700;
  color: white;
  line-height: 1.3;
  margin-bottom: 8px;
}
.hero-card-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.hero-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.stat-cell {
  background: var(--bg-white);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-cell:first-child {
  border-radius: 0;
}
.stat-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
}
.stat-val.green {
  color: var(--brand-green);
}
.stat-val.purple {
  color: var(--brand-purple);
}
.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.section {
  padding: 72px 24px;
}
.section-alt {
  background: var(--bg-light);
}
.section-dark {
  background: #0f172a;
}
.section-inner {
  max-width: 1140px;
  margin: 0 auto;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--brand-purple);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-title.light {
  color: white;
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 48px;
}
.section-desc.light {
  color: rgba(255, 255, 255, 0.65);
}

/* ── EXEC SUMMARY ── */
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.outcome-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition:
    box-shadow 0.2s,
    transform 0.2s;
}
.outcome-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.outcome-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-purple), var(--brand-green));
  border-radius: var(--radius) var(--radius) 0 0;
}
.outcome-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #f3f0ff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 18px;
}
.outcome-icon.green-bg {
  background: #f0fdf4;
}
.outcome-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}
.outcome-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

#migration-challenge-section {
  --m-purple: #6366f1;
  --m-purple-light: #a855f7;
  --m-text: #1e293b;
  --m-secondary: #64748b;
  --m-border: #e2e8f0;

  padding: 60px 20px;
  font-family: sans-serif;
  color: var(--m-text);
  background: #ffffff;
}

#migration-challenge-section .challenge-container {
  max-width: 1200px;
  margin: 0 auto;
}

#migration-challenge-section .section-label {
  color: var(--m-purple);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
  margin-bottom: 8px;
}

#migration-challenge-section .section-title {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 800;
  margin: 0 0 16px 0;
  line-height: 1.2;
}

#migration-challenge-section .section-desc {
  font-size: 18px;
  color: var(--m-secondary);
  margin-bottom: 40px;
  max-width: 800px;
}

#migration-challenge-section .challenge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

#migration-challenge-section .challenge-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#migration-challenge-section .challenge-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--m-border);
  border-radius: 12px;
  background: #fff;
}

#migration-challenge-section .challenge-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--m-purple), var(--m-purple-light));
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

#migration-challenge-section .challenge-text h4 {
  margin: 0 0 4px 0;
  font-size: 16px;
}

#migration-challenge-section .challenge-text p {
  margin: 0;
  font-size: 14px;
  color: var(--m-secondary);
}

#migration-challenge-section .sticky-image-container {
  position: sticky;
  top: 20px;
  width: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid var(--m-border);
  overflow: hidden;
}

#migration-challenge-section .sticky-image-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}

@media (max-width: 992px) {
  #migration-challenge-section .challenge-grid {
    grid-template-columns: 1fr;
  }
  #migration-challenge-section .challenge-image-track {
    order: -1;
  }
  #migration-challenge-section .sticky-image-container {
    position: relative;
    top: 0;
    min-height: auto;
    margin-bottom: 20px;
  }
}

#migration-solution-section {
  --sol-brand-purple: #6d28d9;
  --sol-brand-purple-light: #ede9fe;
  --sol-bg-white: #ffffff;
  --sol-bg-alt: #f8fafc;
  --sol-text-primary: #1e293b;
  --sol-text-secondary: #64748b;
  --sol-border: #e2e8f0;
  --sol-shadow-md:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  padding: 60px 20px;
  font-family: "Inter", system-ui, sans-serif;
  color: var(--sol-text-primary);
}

#migration-solution-section .section-label {
  font-weight: 700;
  color: var(--sol-brand-purple);
  text-transform: uppercase;
  font-size: 14px;
  margin-bottom: 8px;
}
#migration-solution-section .section-title {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 16px 0;
  line-height: 1.2;
}
#migration-solution-section .section-desc {
  font-size: 16px;
  color: var(--sol-text-secondary);
  margin-bottom: 40px;
  max-width: 800px;
  line-height: 1.6;
}

#migration-solution-section .arch-diagram {
  width: 100%;
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
}

#migration-solution-section .diagram-wrapper {
  width: 100%;
  max-width: 1000px;
  background: var(--sol-bg-alt);
  border: 1px solid var(--sol-border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#migration-solution-section .diagram-wrapper img {
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
}

/* ── SOLUTION STAGES ── */
#migration-solution-section .stages {
  display: flex;
  flex-direction: column;
  gap: 0;
}

#migration-solution-section .stage {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  border: 1px solid var(--sol-border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--sol-bg-white);
  transition:
    box-shadow 0.2s,
    transform 0.2s;
}

#migration-solution-section .stage:hover {
  box-shadow: var(--sol-shadow-md);
  transform: translateY(-2px);
}

#migration-solution-section .stage-sidebar {
  background: linear-gradient(160deg, #f8fafc, #f1f5f9);
  border-right: 1px solid var(--sol-border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center; /* Center vertically */
  gap: 12px;
}

#migration-solution-section .stage-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--sol-brand-purple);
}

#migration-solution-section .stage-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--sol-text-primary);
  line-height: 1.3;
  margin: 0;
}

#migration-solution-section .stage-days {
  display: inline-block;
  padding: 4px 12px;
  background: var(--sol-brand-purple-light);
  color: var(--sol-brand-purple);
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  width: fit-content;
  margin-top: 4px;
}

#migration-solution-section .stage-body {
  padding: 32px;
}
#migration-solution-section .stage-body p {
  font-size: 15px;
  color: var(--sol-text-secondary);
  line-height: 1.7;
  margin: 0 0 16px 0;
}

#migration-solution-section .stage-bullets {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#migration-solution-section .stage-bullet {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--sol-text-secondary);
  line-height: 1.5;
}

#migration-solution-section .stage-bullet::before {
  content: "";
  min-width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sol-brand-purple);
  margin-top: 7px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  #migration-solution-section .section-title {
    font-size: 26px;
  }
  #migration-solution-section .section-desc {
    font-size: 15px;
  }

  #migration-solution-section .diagram-wrapper {
    padding: 16px;
  }
  #migration-solution-section .diagram-wrapper img {
    max-height: 50vh;
  }

  #migration-solution-section .stage {
    grid-template-columns: 1fr;
  }
  #migration-solution-section .stage-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--sol-border);
    padding: 24px;
    align-items: flex-start;
  }
  #migration-solution-section .stage-body {
    padding: 24px;
  }
}

.arch-title {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 32px;
  text-align: center;
}
.arch-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}
.arch-env {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
}
.arch-env-header {
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.arch-env-header.source {
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
}
.arch-env-header.target {
  background: rgba(34, 197, 94, 0.08);
  color: #86efac;
}
.arch-env-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.arch-component {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  gap: 8px;
}
.arch-component .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.arch-component .dot.red {
  background: #f87171;
}
.arch-component .dot.green {
  background: #4ade80;
}
.arch-component .dot.purple {
  background: #a78bfa;
}
.arch-component .dot.blue {
  background: #60a5fa;
}
.arch-tunnel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.arch-tunnel-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 48px;
}
.result-cell {
  background: var(--bg-white);
  padding: 32px 24px;
  text-align: center;
  transition: background 0.2s;
}
.result-cell:hover {
  background: var(--bg-light);
}
.result-num {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--brand-purple), var(--brand-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.result-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.impact-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition:
    box-shadow 0.2s,
    transform 0.2s;
}
.impact-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.impact-card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--brand-purple);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.impact-card-label::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-purple);
}
.impact-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}
.impact-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.diff-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  transition: box-shadow 0.2s;
}
.diff-card:hover {
  box-shadow: var(--shadow-md);
}
.diff-icon {
  min-width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #f3f0ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.diff-content h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}
.diff-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.testimonial-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 64px;
  line-height: 1;
  color: var(--brand-purple);
  opacity: 0.4;
  font-family: Georgia, serif;
}
.testimonial-quote {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
  padding-top: 24px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--brand-purple),
    var(--brand-purple-light)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.author-name {
  font-size: 14px;
  font-weight: 700;
  color: white;
}
.author-role {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.divider {
  height: 1px;
  background: var(--border);
}

@media (max-width: 1024px) {
  .outcomes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-card {
    order: -1;
  }

  .challenge-grid {
    grid-template-columns: 1fr;
  }

  .stage {
    grid-template-columns: 1fr;
  }
  .stage-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .outcomes-grid {
    grid-template-columns: 1fr;
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .impact-grid {
    grid-template-columns: 1fr;
  }
  .diff-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 48px 16px;
  }
  .breadcrumb {
    padding: 10px 16px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 16px;
  }
  .results-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-card-stats {
    grid-template-columns: 1fr 1fr;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.btn-primary {
  background: var(--brand-purple);
  color: white;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.15s;
  display: inline-block;
}
.btn-primary:hover {
  background: #7c3aed;
  transform: translateY(-1px);
}