:root {

  --color-wave: #5F6EA8;
  --color-wave-light: #EDF0FA;
  --color-wave-deep: #3B4A7A;

}

a {

  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {

  border-color: var(--color-accent-hover);
}

.hero-image {
  margin: var(--space-xl) 0 var(--space-2xl);
  text-align: center;
}

.hero-image figure {
  margin: 0;
  display: inline-block;
  max-width: 520px;
  width: 100%;
  background: #FFFFFF;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(31, 31, 31, 0.12);
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

.hero-image figcaption {
  font-size: 13px;
  color: var(--color-meta);
  margin-top: var(--space-sm);
  font-style: italic;
  text-align: center;
}

.flow-diagram {
  margin: var(--space-xl) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  padding: var(--space-md);
  overflow-x: auto;
}

.flow-diagram svg {
  width: 100%;
  min-width: 680px;
  height: auto;
  display: block;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0 var(--space-lg);
}

@media (max-width: 860px) {
  .tech-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.tech-card {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #FFFFFF;
  padding: var(--space-lg);
  box-shadow: 0 2px 10px rgba(31, 31, 31, 0.05);
}

.tech-card h3 {
  margin-top: 0;
  color: var(--color-wave-deep);
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
}

.tech-card ul {
  margin: 0;
  padding-left: 20px;
}

.tech-card li {
  margin-bottom: 10px;
}

.tech-card code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.tech-code-wrap {
  margin: var(--space-lg) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(31, 31, 31, 0.05);
}

.tech-code-title {
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  color: #334155;
  background: #EEF2F7;
  padding: 10px 14px;
  border-bottom: 1px solid #D4DCE6;
}

.tech-code {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: #0F172A;
  padding: 14px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.5;
  color: #E2E8F0;
  white-space: pre;
}

.links-list {
  list-style: none;
  margin-top: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}

.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

@keyframes fadeInUp {
  from { transform: translateY(18px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}