:root {
  color-scheme: dark;
  --bg: #071016;
  --bg-elevated: #0c1820;
  --surface: rgba(13, 25, 34, 0.82);
  --surface-strong: #101f2a;
  --border: rgba(128, 166, 187, 0.22);
  --border-strong: rgba(120, 191, 226, 0.46);
  --text: #edf7fb;
  --muted: #9eb0bb;
  --soft: #718693;
  --accent: #7fd3ff;
  --accent-strong: #a8e4ff;
  --green: #7ee39d;
  --amber: #e9bf62;
  --blueprint: rgba(127, 211, 255, 0.14);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
  --radius: 8px;
  --radius-small: 6px;
  --max-width: 1180px;
  --mono: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(127, 211, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 211, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 82% 8%, rgba(127, 211, 255, 0.08), transparent 26rem),
    var(--bg);
  background-size: 28px 28px, 28px 28px, auto, auto;
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, rgba(7, 16, 22, 0.78), rgba(7, 16, 22, 0.2), rgba(7, 16, 22, 0.8));
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.85rem;
  background: var(--accent);
  color: #041018;
  border-radius: var(--radius-small);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 16, 22, 0.84);
  backdrop-filter: blur(18px);
}

.nav-shell,
.section,
.section-grid,
.site-footer {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section,
.section-grid {
  scroll-margin-top: 5rem;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.98rem;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-small);
  color: var(--accent-strong);
  font-size: 0.72rem;
  letter-spacing: 0;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.4rem;
  color: var(--muted);
}

.icon-link {
  color: var(--muted);
}

.hero {
  display: grid;
  min-height: min(620px, calc(100svh - 4rem));
  align-items: center;
  gap: 2.5rem;
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.25rem);
}

.hero-copy {
  max-width: 43rem;
}

.code-note {
  max-width: 34rem;
  margin: 0 0 2rem;
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  max-width: 21ch;
  margin-bottom: 1.25rem;
  font-family: var(--mono);
  font-size: clamp(2.45rem, 4.4vw, 3.55rem);
  font-weight: 650;
  line-height: 1.04;
}

h2 {
  margin-bottom: 0.9rem;
  font-family: var(--mono);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.12;
}

h3 {
  margin-bottom: 0.8rem;
  font-family: var(--mono);
  font-size: 1.12rem;
  line-height: 1.25;
}

.hero-subtitle {
  max-width: 41rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: clamp(0.98rem, 1.8vw, 1.1rem);
}

.hero-subtitle p {
  margin-bottom: 0.55rem;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 650;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  border-color: var(--border-strong);
  background: rgba(127, 211, 255, 0.08);
  color: var(--accent-strong);
}

.button.secondary {
  background: rgba(237, 247, 251, 0.025);
  color: var(--text);
}

.button.compact {
  margin-top: 0.5rem;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(8, 18, 25, 0.72);
  box-shadow: var(--shadow);
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, rgba(7, 16, 22, 0.1), transparent 26%, rgba(7, 16, 22, 0.16));
}

.hero-visual img {
  width: 100%;
  min-height: 22rem;
  object-fit: cover;
  opacity: 0.92;
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  border-top: 1px solid var(--border);
}

.section-heading,
.split-section,
.about-section {
  display: grid;
  gap: 1.75rem;
}

.section-heading {
  margin-bottom: 1.5rem;
}

.section-heading p,
.prose,
.site-footer p {
  color: var(--muted);
}

.section-number,
.card-kicker {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.project-card,
.github-card,
.toolbox-panel,
.loop-panel,
.relationship-map {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(16, 31, 42, 0.86), rgba(8, 18, 25, 0.78));
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
}

.project-card {
  display: flex;
  min-height: 20rem;
  flex-direction: column;
  padding: 1.35rem;
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.status {
  margin-bottom: 0.65rem;
  font-family: var(--mono);
  font-size: 0.74rem;
}

.status::before {
  display: inline-block;
  width: 0.48rem;
  height: 0.48rem;
  margin-right: 0.45rem;
  border-radius: 50%;
  content: "";
}

.status-live::before {
  background: var(--green);
}

.status-active::before {
  background: var(--amber);
}

.status-dev::before {
  background: var(--accent);
}

.project-card p {
  color: var(--muted);
}

.tool-card {
  min-height: 24rem;
}

.problem-solution {
  display: grid;
  gap: 1rem;
  margin: 0.4rem 0 1rem;
}

.problem-solution div {
  padding-left: 0.85rem;
  border-left: 1px solid var(--border);
}

.problem-solution span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.problem-solution p {
  margin-bottom: 0;
}

.badge {
  flex: 0 0 auto;
  padding: 0.35rem 0.5rem;
  border: 1px solid rgba(126, 227, 157, 0.36);
  border-radius: 999px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.badge.muted {
  border-color: rgba(233, 191, 98, 0.34);
  color: var(--amber);
}

.project-detail {
  display: grid;
  gap: 0.75rem;
  margin: 0.3rem 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-detail span {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.project-detail ul,
.toolbox-panel ul,
.loop-panel ol {
  padding-left: 1.1rem;
  margin: 0.45rem 0 0;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: auto;
  padding-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.project-links a,
.project-links .disabled-link {
  color: var(--accent-strong);
}

.project-links a::after {
  content: " ->";
}

.project-links .disabled-link {
  color: var(--soft);
  cursor: not-allowed;
}

.split-section,
.about-section {
  align-items: start;
}

.prose p:last-child {
  margin-bottom: 0;
}

.philosophy-note {
  margin: 1.25rem 0;
  padding: 1rem 1.1rem;
  border-left: 2px solid var(--accent);
  background: rgba(127, 211, 255, 0.045);
  color: var(--text);
  font-family: var(--mono);
}

.philosophy-note p {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.workbench-note {
  display: grid;
  gap: 0.7rem;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(127, 211, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 211, 255, 0.055) 1px, transparent 1px),
    rgba(16, 31, 42, 0.74);
  background-size: 22px 22px;
  color: var(--text);
  font-family: var(--mono);
}

.workbench-note p {
  margin: 0;
  color: var(--text);
}

.loop-panel {
  padding: 1.5rem;
}

.loop-panel ol {
  display: grid;
  gap: 0.85rem;
  list-style: decimal-leading-zero;
  color: var(--accent);
  font-family: var(--mono);
}

.loop-panel span {
  color: var(--text);
}

.open-source {
  align-items: stretch;
}

.bench-board {
  display: grid;
  gap: 1rem;
}

.bench-board section {
  min-height: 14rem;
  padding: 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(16, 31, 42, 0.9), rgba(8, 18, 25, 0.8)),
    rgba(16, 31, 42, 0.86);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
}

.bench-board h3 {
  margin-bottom: 1rem;
}

.bench-board ul {
  display: grid;
  gap: 0.65rem;
  padding-left: 1.1rem;
  margin: 0;
  color: var(--muted);
}

.bench-board p {
  color: var(--muted);
}

.github-card,
.toolbox-panel {
  padding: 1.35rem;
}

.github-card strong {
  display: block;
  margin-bottom: 0.8rem;
  font-family: var(--mono);
  font-size: 1.35rem;
}

.github-card a {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.toolbox-panel p {
  color: var(--muted);
}

.toolbox-panel li {
  margin-bottom: 0.55rem;
  color: var(--muted);
}

.relationship-map {
  overflow: hidden;
  padding: 1rem;
}

.relationship-map ul {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.node {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: rgba(7, 16, 22, 0.55);
  color: var(--text);
  font-family: var(--mono);
}

.node.root {
  border-color: var(--border-strong);
  text-align: center;
}

.node.active {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.node span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.site-footer {
  display: grid;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.footer-brand {
  margin-bottom: 1rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-content: start;
  font-family: var(--mono);
}

.fine-print {
  font-family: var(--mono);
  font-size: 0.75rem;
}

@media (min-width: 760px) {
  .nav-links {
    display: flex;
  }

  .hero {
    grid-template-columns: minmax(0, 0.88fr) minmax(22rem, 0.92fr);
  }

  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bench-board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-heading,
  .split-section,
  .about-section {
    grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  }

  .relationship-map ul {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: minmax(16rem, 1.4fr) minmax(12rem, 0.8fr) minmax(12rem, 0.8fr);
  }
}

@media (max-width: 759px) {
  .nav-shell {
    flex-wrap: wrap;
    padding: 0.85rem 0;
  }

  .brand {
    font-size: 0.9rem;
  }

  .icon-link {
    margin-left: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    min-height: 14rem;
  }

  .code-note {
    font-size: 0.72rem;
  }

  .button {
    width: 100%;
  }

  .project-card {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

}