/* blackmonad.co — style.css */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;700&display=swap');

:root {
  --bg: #FAFAF9;
  --ink: #0A0A0A;
  --charcoal: #2D2D2D;
  --mid: #6B6B6B;
  --rule: #E8E8E8;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  background: var(--bg);
  color: var(--charcoal);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  line-height: 1.6;
}

main {
  max-width: 420px;
  width: 100%;
  text-align: center;
}

/* === WORDMARK === */

.wordmark {
  font-size: 1.125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15em;
}

.wm-black {
  font-weight: 700;
  letter-spacing: 0.25em;
}

.wm-monad {
  font-weight: 400;
  letter-spacing: 0.3em;
}

.tagline {
  font-weight: 300;
  font-size: 0.875rem;
  color: var(--mid);
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
}

/* === CAPABILITIES === */

.capabilities {
  list-style: none;
  padding: 0;
  margin-bottom: 2.5rem;
  text-align: left;
}

.capabilities li {
  font-weight: 400;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--mid);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--rule);
}

.capabilities li:last-child {
  border-bottom: none;
}

/* === LAMBDA MARK === */

.mark-link {
  display: inline-block;
  text-decoration: none;
  margin-bottom: 1rem;
}

.lambda-mark {
  display: inline-block;
  width: 48px;
  height: 48px;
  color: var(--ink);
  transition: opacity 0.2s ease;
}

.mark-link:hover .lambda-mark {
  opacity: 0.5;
}

/* === CONTACT === */

.contact a {
  color: var(--mid);
  text-decoration: none;
  font-weight: 300;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.contact a:hover {
  color: var(--ink);
}

/* === FOOTER === */

footer {
  position: fixed;
  bottom: 2rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mid);
}

/* === RESPONSIVE === */

@media (max-height: 700px) {
  body {
    justify-content: flex-start;
    padding-top: 3rem;
  }

  footer {
    position: static;
    margin-top: 3rem;
  }
}

@media (max-width: 480px) {
  main {
    max-width: 100%;
  }

  .wordmark {
    font-size: 1rem;
  }

  .lambda-mark {
    width: 40px;
    height: 40px;
  }
}