:root {
  --void: #0d1220;
  --card: #fdfcfa;
  --text: #1c1b1a;
  --muted: #5f5c57;
  --link: #224a92;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 18px 40px rgba(0, 0, 0, 0.45), 0 40px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 112.5%;
  line-height: 1.5;
}

/* The void: a dot grid over two soft glows in the logo's blue and green. No image files. */
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  color: var(--text);
  background-color: var(--void);
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1.5px),
    radial-gradient(ellipse 55% 45% at 42% 46%, rgba(34, 74, 146, 0.5), transparent 70%),
    radial-gradient(ellipse 40% 35% at 64% 60%, rgba(34, 169, 112, 0.16), transparent 70%);
  background-size: 22px 22px, 100% 100%, 100% 100%;
  background-position: center;
}

/* A business card: 3.5 by 2 inches, grown taller only if the text needs it. */
.card {
  width: 100%;
  max-width: 31.5rem;
  aspect-ratio: 7 / 4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: clamp(1.25rem, 6vw, 2.25rem);
  background: var(--card);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.mark {
  width: 3rem;
  height: 3rem;
  margin-bottom: 0.9rem;
}

h1 {
  margin: 0 0 0.2rem;
  font-size: clamp(1.45rem, 6.5vw, 1.9rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

p {
  margin: 0;
  color: var(--muted);
}

.who p {
  font-size: 0.95rem;
}

.contact {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  letter-spacing: 0.01em;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
  border-radius: 2px;
}
