:root {
  --portfolio-bg: #05070b;
  --portfolio-bg-soft: #0a0f16;
  --portfolio-panel: rgba(11, 16, 24, 0.88);
  --portfolio-panel-soft: rgba(18, 26, 38, 0.72);
  --portfolio-panel-strong: rgba(19, 28, 41, 0.94);
  --portfolio-card-border: rgba(255, 255, 255, 0.1);
  --portfolio-card-border-strong: rgba(255, 255, 255, 0.22);
  --portfolio-text: #f5f7fb;
  --portfolio-text-muted: rgba(245, 247, 251, 0.72);
  --portfolio-text-dim: rgba(245, 247, 251, 0.54);
  --portfolio-accent: #8eb4ff;
  --portfolio-accent-soft: rgba(142, 180, 255, 0.22);
  --portfolio-shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
  --portfolio-grid: rgba(255, 255, 255, 0.045);
  --portfolio-code-bg: rgba(6, 9, 14, 0.94);
  --portfolio-radius: 28px;
  --portfolio-max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--portfolio-bg);
  color: var(--portfolio-text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(68, 114, 255, 0.22), transparent 28%),
    radial-gradient(circle at 82% 15%, rgba(255, 131, 76, 0.18), transparent 24%),
    radial-gradient(circle at 50% 120%, rgba(53, 177, 255, 0.12), transparent 32%),
    linear-gradient(180deg, #07090d 0%, #05070b 100%);
  color: var(--portfolio-text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--portfolio-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--portfolio-grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 88%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 7, 11, 0.08), rgba(5, 7, 11, 0.42));
  pointer-events: none;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

code,
pre {
  font-family: "Space Mono", "IBM Plex Mono", monospace;
}

.page-shell {
  width: min(calc(100% - 32px), var(--portfolio-max-width));
  margin: 0 auto;
  padding: 24px 0 84px;
}

.page-shell--noscript {
  padding-top: 48px;
}

.site-nav {
  position: sticky;
  top: 16px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding: 14px 16px;
  border: 1px solid var(--portfolio-card-border);
  border-radius: 999px;
  background: rgba(6, 10, 15, 0.76);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(24px);
}

.site-nav__brand,
.site-nav__links,
.site-nav__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.site-nav__brand a,
.site-nav__links a,
.site-nav__actions a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--portfolio-text-muted);
  text-decoration: none;
  transition:
    border-color 140ms ease,
    background 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.site-nav__brand a {
  color: var(--portfolio-text);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav__links a:hover,
.site-nav__actions a:hover,
.site-nav__brand a:hover,
.site-nav__links a:focus-visible,
.site-nav__actions a:focus-visible,
.site-nav__brand a:focus-visible {
  border-color: var(--portfolio-card-border-strong);
  background: rgba(255, 255, 255, 0.06);
  color: var(--portfolio-text);
  outline: none;
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.92fr);
  gap: 24px;
  margin-bottom: 24px;
}

.hero-panel,
.hero-media,
.section,
.project-card,
.signal-card,
.route-card,
.detail-card,
.callout-card,
.metric-card,
.path-card,
.repo-hero,
.footer {
  border: 1px solid var(--portfolio-card-border);
  border-radius: var(--portfolio-radius);
  background: var(--portfolio-panel);
  box-shadow: var(--portfolio-shadow);
  backdrop-filter: blur(24px);
}

.hero-panel,
.repo-hero,
.section,
.footer {
  padding: 26px;
}

.hero-media {
  overflow: hidden;
  display: grid;
  align-content: start;
}

.hero-media__image {
  min-height: 240px;
}

.hero-media__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.hero-media__body,
.hero-copy,
.section__head,
.project-card,
.signal-card,
.route-card,
.detail-card,
.callout-card,
.path-card {
  display: grid;
  gap: 14px;
}

.eyebrow,
.section-label,
.project-card__label,
.detail-card__label,
.metric-card__label {
  margin: 0;
  color: var(--portfolio-text-muted);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.repo-hero h1 {
  margin: 0;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.hero h1,
.repo-hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.2rem);
}

.hero .lede,
.repo-hero .lede,
.section > p,
.detail-card > p,
.project-card__summary,
.signal-card p,
.route-card p,
.path-card p,
.callout-card p,
.metric-card__help,
.footer p {
  margin: 0;
  color: var(--portfolio-text-muted);
  line-height: 1.7;
  font-size: 1rem;
}

.hero-actions,
.hero-links,
.badge-row,
.project-card__badges,
.repo-meta,
.footer-links,
.project-card__footer,
.route-card__links,
.repo-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button,
.button--ghost,
.chip,
.repo-meta__item,
.project-card__badges span,
.hero-links a,
.project-card__footer a,
.route-card a,
.repo-pagination a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--portfolio-card-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--portfolio-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.button {
  background: linear-gradient(135deg, var(--portfolio-accent-soft), rgba(255, 255, 255, 0.04));
}

.button:hover,
.button--ghost:hover,
.chip:hover,
.hero-links a:hover,
.project-card__footer a:hover,
.route-card a:hover,
.repo-pagination a:hover {
  transform: translateY(-1px);
  border-color: var(--portfolio-card-border-strong);
  background: rgba(255, 255, 255, 0.09);
}

.hero-metrics,
.signal-grid,
.project-grid,
.route-grid,
.detail-grid,
.path-grid,
.connections-grid {
  display: grid;
  gap: 16px;
}

.hero-metrics,
.signal-grid,
.detail-grid--triple {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-grid,
.route-grid,
.detail-grid,
.path-grid,
.connections-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card,
.signal-card,
.project-card,
.route-card,
.detail-card,
.callout-card,
.path-card {
  padding: 20px;
  border-radius: 22px;
}

.metric-card__value {
  margin: 8px 0 4px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.project-card__meta {
  display: grid;
  gap: 8px;
}

.project-card__meta-item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.project-card__meta-item strong {
  color: var(--portfolio-text);
  font-size: 0.98rem;
}

.repo-meta__item strong {
  margin-right: 8px;
  color: var(--portfolio-text);
}

.repo-hero {
  display: grid;
  gap: 18px;
  background:
    radial-gradient(circle at top left, var(--portfolio-accent-soft), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--portfolio-panel);
}

.command-block {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: var(--portfolio-code-bg);
  overflow-x: auto;
  color: #d4e2ff;
  line-height: 1.8;
  font-size: 0.92rem;
}

.command-block code {
  white-space: pre;
}

.detail-card ul,
.callout-card ul,
.path-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--portfolio-text-muted);
  line-height: 1.7;
}

.detail-card li + li,
.callout-card li + li,
.path-card li + li {
  margin-top: 8px;
}

.empty-state {
  padding: 32px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  color: var(--portfolio-text-muted);
}

@media (max-width: 1120px) {
  .hero,
  .signal-grid,
  .detail-grid--triple,
  .project-grid,
  .route-grid,
  .detail-grid,
  .path-grid,
  .connections-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 24px), var(--portfolio-max-width));
    padding-top: 16px;
  }

  .site-nav {
    top: 8px;
    border-radius: 28px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-nav {
    justify-content: center;
  }

  .site-nav__brand,
  .site-nav__links,
  .site-nav__actions {
    justify-content: center;
  }

  .button,
  .button--ghost,
  .chip,
  .hero-links a,
  .project-card__footer a,
  .route-card a,
  .repo-pagination a {
    width: 100%;
    justify-content: center;
  }
}