:root {
  --bg: #0b0f14;
  --bg-alt: #111821;
  --surface: #161e29;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eef6;
  --muted: #9aabbd;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --max: 1080px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(56, 189, 248, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(94, 234, 212, 0.1), transparent 50%),
    var(--bg);
  line-height: 1.6;
  min-height: 100vh;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #042f2e;
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}
.narrow { max-width: 720px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(11, 15, 20, 0.72);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}
.logo { font-weight: 700; letter-spacing: -0.03em; font-size: 1.1rem; }
.nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav a:hover, .nav a:focus-visible { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #042f2e;
}
.btn-ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.2); }

.hero { padding: 5.5rem 0 4rem; }
.hero-inner { max-width: 820px; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.125rem;
  max-width: 42rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.section { padding: 4.5rem 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(17, 24, 33, 0.65), rgba(17, 24, 33, 0.2));
  border-block: 1px solid var(--border);
}
.section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.03em;
}
.section p { color: var(--muted); }
.section p + p { margin-top: 1rem; }
.section-head { margin-bottom: 2rem; }
.section-head p { margin: 0.35rem 0 0; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 1.75rem 0 0;
}
.tags li {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.card-featured {
  border-color: rgba(94, 234, 212, 0.35);
  background: linear-gradient(160deg, rgba(94, 234, 212, 0.08), var(--surface) 45%);
}
.card-meta {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
}
.card h3 { margin: 0 0 0.65rem; font-size: 1.2rem; letter-spacing: -0.02em; }
.card p { margin: 0 0 1.25rem; flex: 1; }
.card-link { font-weight: 600; color: var(--accent-2); }
.card-link:hover, .card-link:focus-visible { color: var(--accent); }

.collab-list {
  margin: 1.25rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}
.collab-list li { margin: 0.45rem 0; }
.collab-list a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }

.cta {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2.5rem 1.5rem;
  box-shadow: var(--shadow);
}
.cta p { margin: 0 auto 1.5rem; max-width: 36rem; }

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  text-align: left;
  max-width: 28rem;
  margin-inline: auto;
}
.contact-list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}
.contact-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.contact-list a {
  color: var(--text);
  font-weight: 600;
  word-break: break-word;
}
.contact-list a:hover { color: var(--accent-2); }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner a:hover { color: var(--text); }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .hero { padding-top: 3.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}