:root {
  --bg: #0b1114;
  --surface: #121a1f;
  --surface2: #162027;
  --ink: #f1f5f9;
  --ink-muted: #94a3b8;
  --ink-dim: #475569;
  --accent: #14b8a6;
  --accent-bright: #2dd4bf;
  --accent-dim: #0f766e;
  --line: #1f2b33;
  --line-bright: #2b3a45;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", sans-serif;
  font-weight: 300;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

.shell {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 1.4rem 5rem;
  position: relative;
  z-index: 1;
}

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 17, 20, 0.92);
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1020px;
  margin: 0 auto;
  backdrop-filter: blur(6px);
}

.nav-logo {
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 1.4rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--accent-bright);
}

.nav-links .nav-pill {
  border: 1px solid var(--line-bright);
  padding: 0.25rem 0.6rem;
  font-size: 0.65rem;
  color: var(--ink-dim);
}

.nav-links .nav-pill:hover {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--line-bright);
  padding: 0.5rem 0.55rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink-muted);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.4rem;
  max-width: 1020px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: "DM Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-bright);
}

@media (max-width: 720px) {
  nav {
    padding: 0.75rem 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
    margin-top: 0.5rem;
    padding: 0.25rem 0;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid var(--line);
    width: 100%;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 0;
  }

  .nav-links .nav-pill {
    border: none;
    padding: 0.5rem 0;
  }

  .shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}