:root {
  --bg: #f4f5ef;
  --ink: #121511;
  --muted: #526050;
  --line: #c9d1c2;
  --panel: #fbfcf7;
  --accent: #0f7a42;
  --accent-ink: #eaf8f0;
  --shadow: 0 18px 50px rgba(21, 37, 23, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(15, 122, 66, 0.1), transparent 34%),
    radial-gradient(circle at 90% 0%, rgba(18, 21, 17, 0.08), transparent 30%),
    var(--bg);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.5;
}

code,
pre {
  font-family: "IBM Plex Mono", monospace;
}

.shell {
  width: min(960px, 92vw);
  margin: 4rem auto;
}

.hero {
  padding: 2rem 0 2.4rem;
  border-bottom: 1px solid var(--line);
  animation: rise 420ms ease-out;
}

.logo {
  display: block;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 1rem 0 0;
  color: var(--muted);
  font: 500 0.74rem/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0.45rem 0 1rem;
  max-width: 15ch;
  font-size: clamp(2rem, 6vw, 3.7rem);
  line-height: 0.95;
  text-wrap: balance;
}

.lead {
  max-width: 66ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta-row {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.3rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: #99a996;
  box-shadow: 0 8px 16px rgba(18, 21, 17, 0.09);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.panel {
  margin-top: 1.2rem;
  padding: 1.2rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
}

h2 {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
}

pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f7f9f4;
  font-size: 0.84rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  min-height: 100%;
}

h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 1.5rem 0 0.2rem;
  color: var(--muted);
}

.footer a {
  color: inherit;
  text-underline-offset: 3px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero,
  .btn {
    animation: none;
    transition: none;
  }
}