:root {
  --dev-panel: rgba(13, 18, 28, 0.86);
  --dev-panel-soft: rgba(255, 255, 255, 0.035);
  --dev-code: #070a10;
}

.developer-page .site-header {
  background: rgba(7, 10, 16, 0.92);
}

.developer-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 88px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(95, 195, 255, 0.08), transparent 42%),
    radial-gradient(circle at 78% 20%, rgba(255, 210, 138, 0.07), transparent 24rem);
}

.developer-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, black, transparent);
  content: "";
  pointer-events: none;
}

.developer-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  align-items: end;
  gap: 60px;
}

.developer-hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.developer-hero h1 span {
  display: block;
  color: var(--accent);
}

.developer-hero p {
  max-width: 760px;
  color: var(--text-muted);
}

.developer-meta {
  display: grid;
  gap: 10px;
  padding: 24px;
  border: 1px solid rgba(139, 211, 255, 0.18);
  border-radius: 18px;
  background: rgba(8, 12, 19, 0.72);
  backdrop-filter: blur(12px);
}

.developer-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.developer-meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.developer-meta-row span {
  color: var(--text-muted);
}

.developer-meta-row strong {
  text-align: right;
}

.dev-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 40px;
}

.dev-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--dev-panel-soft);
}

.dev-card h3 {
  margin: 12px 0 8px;
  font-size: 1.35rem;
}

.dev-card p {
  margin: 0;
  color: var(--text-muted);
}

.dev-card-tag {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}

.architecture-node {
  position: relative;
  padding: 24px 18px;
  border: 1px solid rgba(139, 211, 255, 0.18);
  border-radius: 16px;
  background: var(--dev-panel);
  text-align: center;
}

.architecture-node:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -13px;
  color: var(--accent);
  content: "→";
  transform: translateY(-50%);
}

.architecture-node strong {
  display: block;
  margin-bottom: 6px;
}

.architecture-node span {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.code-block {
  position: relative;
  margin: 30px 0 0;
  padding: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--dev-code);
  color: #dce8f5;
  font: 0.9rem/1.8 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  white-space: pre;
}

.code-block::before {
  position: absolute;
  top: 10px;
  right: 14px;
  color: rgba(255, 255, 255, 0.26);
  content: attr(data-label);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.dev-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.dev-list li {
  position: relative;
  padding: 15px 18px 15px 42px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.dev-list li::before {
  position: absolute;
  top: 17px;
  left: 18px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 12px rgba(95, 195, 255, 0.25);
}

.dev-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.dev-link-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.dev-link-card:hover,
.dev-link-card:focus-visible {
  border-color: rgba(139, 211, 255, 0.34);
  background: rgba(139, 211, 255, 0.045);
  transform: translateY(-2px);
}

.dev-link-card strong {
  display: block;
  margin-bottom: 4px;
}

.dev-link-card span {
  color: var(--text-muted);
  font-size: 0.86rem;
}

.page-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
}

.page-switch a {
  padding: 7px 13px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-decoration: none;
}

.page-switch a[aria-current="page"] {
  background: rgba(139, 211, 255, 0.1);
  color: var(--text);
}

@media (max-width: 900px) {
  .developer-hero-grid,
  .architecture-flow {
    grid-template-columns: 1fr 1fr;
  }

  .architecture-node:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 680px) {
  .developer-hero {
    padding: 78px 0 64px;
  }

  .developer-hero-grid,
  .dev-grid,
  .architecture-flow,
  .dev-links {
    grid-template-columns: 1fr;
  }

  .architecture-node::after {
    display: none;
  }

  .page-switch {
    width: 100%;
    justify-content: center;
  }
}