:root {
  --bg: #0f1412;
  --bg-soft: #18201d;
  --surface: #1d2723;
  --line: #3f5a4c;
  --text: #f6f8f7;
  --text-dim: #bdd0c6;
  --accent: #f9c80e;
  --accent-2: #00c2a8;
  --accent-3: #ff6f59;
  --radius: 16px;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, #234136 0%, transparent 35%),
    radial-gradient(circle at 92% 18%, #402120 0%, transparent 32%),
    linear-gradient(180deg, #0c1110 0%, #131a17 100%);
  line-height: 1.6;
}

.project-shell {
  width: min(1000px, 92vw);
  margin-inline: auto;
  padding: 1.2rem 0 2.5rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brand,
.home-link {
  text-decoration: none;
  color: var(--text);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
}

.home-link {
  border: 1px solid var(--line);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
}

.hero {
  background: linear-gradient(155deg, rgba(29, 39, 35, 0.9), rgba(38, 51, 45, 0.7));
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0;
}

h1 {
  margin-top: 0.55rem;
  font-size: clamp(1.7rem, 4.7vw, 2.9rem);
}

.lead {
  color: var(--text-dim);
  max-width: 70ch;
  margin-top: 0.7rem;
}

.hero-image {
  margin-top: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  width: 100%;
  display: block;
  background: #0f1512;
}

.grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.card h2 {
  font-size: 1.25rem;
}

.card p,
.card li {
  color: var(--text-dim);
}

.card ul {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
}

.specs {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.7rem;
}

.specs th,
.specs td {
  border: 1px solid var(--line);
  padding: 0.5rem;
  text-align: left;
}

.specs th {
  width: 38%;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 0.86rem;
}

.gallery {
  margin-top: 1rem;
}

.gallery-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.6rem;
}

.gallery-row img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #0f1512;
}

.footer-note {
  margin-top: 1rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}

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