:root {
  --ink: #071018;
  --foam: #eef6f1;
  --signal: #39f29a;
  --mute: #8aa39a;
  --font: "Syne", "Avenir Next", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  min-height: 100%;
  color: var(--foam);
  font-family: var(--font);
  background:
    linear-gradient(160deg, rgba(7,16,24,0.35), rgba(7,16,24,0.88)),
    radial-gradient(ellipse 80% 60% at 70% 20%, #1a4d38 0%, transparent 55%),
    url("/hero.svg") center/cover no-repeat,
    var(--ink);
  overflow-x: hidden;
}

.frame {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(20px, 4vw, 40px);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
}
.logo i { font-style: normal; color: var(--signal); }

nav a {
  color: var(--foam);
  text-decoration: none;
  font-size: 0.92rem;
  border: 1px solid color-mix(in oklab, var(--foam) 25%, transparent);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  transition: border-color 160ms ease, color 160ms ease;
}
nav a:hover { border-color: var(--signal); color: var(--signal); }

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 760px;
  animation: rise 700ms ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

h1 {
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  font-weight: 800;
}

h1 em {
  font-style: normal;
  color: var(--signal);
  display: inline-block;
  animation: pulse 2.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.25); }
}

.lead {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: color-mix(in oklab, var(--foam) 82%, var(--mute));
  max-width: 34ch;
  margin: 0 0 1.8rem;
  line-height: 1.4;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--signal);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  width: fit-content;
  transition: transform 160ms ease;
}
.cta:hover { transform: translateY(-2px); }
.cta span { font-family: var(--mono); font-size: 0.85rem; }

footer {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}