:root {
  --bg: #0c0d10;
  --bg-elevated: #13151b;
  --text: #e8eaef;
  --text-muted: #8b919d;
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --font: "Outfit", system-ui, sans-serif;
  --radius: 14px;
  --max: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height:1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% -10%, black 40%, transparent 70%);
  pointer-events: none;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  background: rgba(12, 13, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a:not(.nav-cta) {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s;
}

.nav a:not(.nav-cta):hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent) !important;
  border: 1px solid rgba(110, 231, 183, 0.35);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s;
}

.nav-cta:hover {
  background: rgba(110, 231, 183, 0.22);
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
}

main {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero {
  padding: 3.5rem 0 4rem;
}

.hero-label {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5vw, 2.85rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 100%;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 62ch;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn.primary {
  background: var(--accent);
  color: #06251a;
  border-color: var(--accent);
}

.btn.primary:hover {
  filter: brightness(1.06);
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn.ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.btn.lg {
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

.section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 1.75rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.about-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
}

.card.prose h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}

.card.prose p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.card.prose p + p {
  margin-top: 0.75rem;
}

.card-link {
  margin-top: 1rem !important;
}

.card-link a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}

.card-link a:hover {
  text-decoration: underline;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
}

.feature-icon {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
  opacity: 0.9;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.section-narrow .centered {
  margin: 0;
  max-width: 56ch;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.stack-note {
  margin: 1.5rem 0 0;
  max-width: 62ch;
  font-size: 0.98rem;
  color: var(--text-muted);
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
}

.cta-note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  opacity: 0.95;
}

.cta-block {
  border-top: none;
  padding-top: 2rem;
}

.cta-inner {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: linear-gradient(145deg, var(--bg-elevated), rgba(110, 231, 183, 0.06));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
}

.cta-inner h2 {
  margin: 0 0 0.75rem;
}

.cta-inner p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}

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

.footer {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.footer-links a {
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
}

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

.footer-meta {
  opacity: 0.85;
}

@media (max-width: 768px) {
  .menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 56px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.25rem;
    background: rgba(12, 13, 16, 0.98);
    border-bottom: 1px solid var(--border);
    gap: 0.75rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s, opacity 0.2s;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.5rem 0;
  }

  .nav-cta {
    text-align: center;
    margin-top: 0.25rem;
  }
}