:root {
  color-scheme: dark;
  --ink: #e8f6ff;
  --muted: #7892a6;
  --line: #20394a;
  --active: #5df2d6;
  --surface: rgba(8, 20, 31, 0.92);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: #050b12;
  background-image: linear-gradient(rgba(45, 116, 140, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 116, 140, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 80% -20%, #16394b 0, transparent 42%);
  background-size: 32px 32px, 32px 32px, auto;
  color: var(--ink);
  font-family: "Space Grotesk", "Rajdhani", sans-serif;
}

.tabs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  width: 100%;
  padding: 0 1.5rem;
  overflow-x: auto;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
}

.tabs::before {
  content: "NX-01 / SYSTEM";
  flex: 0 0 auto;
  margin-right: 1.5rem;
  color: var(--active);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.tab {
  flex: 0 0 auto;
  padding: 1.15rem 1.1rem 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.tab:hover,
.tab:focus-visible,
.tab[aria-current="page"] {
  color: var(--active);
  border-bottom-color: var(--active);
}

.tab:focus-visible {
  outline: 2px solid var(--active);
  outline-offset: -2px;
}

.home {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 5.5rem 0 6rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--active);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 680px;
  margin-bottom: 1rem;
  font-size: clamp(2.0rem, 7vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.intro {
  max-width: 550px;
  margin-bottom: 5rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

h2 {
  margin-bottom: 0.7rem;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-count {
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.72rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.project {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  padding: 1.4rem;
  background: linear-gradient(145deg, rgba(16, 39, 54, 0.92), rgba(7, 17, 27, 0.96));
  border: 1px solid var(--line);
  border-top: 2px solid var(--project-accent, var(--active));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04);
  transition: transform 180ms ease, border-color 180ms ease;
}

.project-image {
  display: grid;
  min-height: 130px;
  place-items: center;
  margin-bottom: 1.25rem;
  color: var(--project-accent, var(--active));
  background: linear-gradient(135deg, rgba(93, 242, 214, 0.12), rgba(6, 14, 23, 0.8));
  border: 1px solid rgba(93, 242, 214, 0.22);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.project-image::before {
  content: "// image placeholder";
  padding: 0.55rem 0.7rem;
  border: 1px dashed currentColor;
}

.project:nth-child(2) .project-image {
  background: linear-gradient(135deg, rgba(124, 183, 255, 0.14), rgba(6, 14, 23, 0.8));
  border-color: rgba(124, 183, 255, 0.25);
}

.project:nth-child(3) .project-image {
  background: linear-gradient(135deg, rgba(244, 201, 93, 0.14), rgba(6, 14, 23, 0.8));
  border-color: rgba(244, 201, 93, 0.25);
}

.project:hover {
  transform: translateY(-4px);
  border-color: var(--project-accent, var(--active));
}

.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3.5rem;
  color: var(--muted);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project h3 {
  margin: 0 0 0.8rem;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project p {
  margin-bottom: 1.5rem;
  color: var(--muted);
  line-height: 1.6;
}

.project-link {
  margin-top: auto;
  color: var(--project-accent, var(--active));
  font-family: "Share Tech Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.project-link:hover,
.project-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}

.blog-list {
  display: grid;
  gap: 1rem;
  max-width: 820px;
}

.post {
  padding: 0;
  background: rgba(8, 20, 31, 0.76);
  border: 1px solid var(--line);
  transition: border-color 180ms ease, transform 180ms ease;
}

.post:hover {
  transform: translateX(4px);
  border-color: var(--active);
}

.post-summary {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem;
  list-style: none;
}

.post-date {
  color: var(--active);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.post h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.post p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.post-link {
  padding-top: 0.1rem;
  color: var(--active);
  font-family: "Share Tech Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.post-link:hover,
.post-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}

.collapse-label {
  display: none;
}

.post[open] .read-label {
  display: none;
}

.post[open] .collapse-label {
  display: inline;
}

.post-body {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--line);
}

.post-body-content {
  display: flex;
  flex-direction: column;
  grid-column: 2;
  padding-top: 1.25rem;
}

.post-body-content p {
  margin-bottom: 1rem;
}

.collapse {
  align-self: flex-end;
  padding: 0;
  color: var(--active);
  background: transparent;
  border: 0;
  cursor: pointer;
  font: 0.72rem "Share Tech Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.collapse:hover,
.collapse:focus-visible {
  color: var(--active);
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}

@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .home {
    width: min(100% - 2rem, 1120px);
    padding-top: 3.5rem;
  }

  .intro {
    margin-bottom: 3.5rem;
  }

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

  .tabs {
    padding: 0 1rem;
  }

  .tabs::before {
    margin-right: 0.75rem;
    font-size: 0.6rem;
  }

  .tab {
    padding-inline: 0.8rem;
  }
}