/* v4-k.com — style.css */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;500&display=swap');

:root {
  --bg: #FAFAF9;
  --text-primary: #1A1F36;
  --text-secondary: #6B7084;
  --text-dim: #A0A4B8;
}

*, *::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(--text-secondary);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  line-height: 1.7;
}

main {
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.wordmark {
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.tagline {
  font-weight: 300;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.qr-link {
  display: inline-block;
  width: 120px;
  height: 120px;
  margin-bottom: 1.5rem;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.qr-link:hover {
  opacity: 0.7;
}

.qr-link svg {
  width: 100%;
  height: 100%;
}

.contact {
  margin-bottom: 0;
}

.contact a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 300;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

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

footer {
  position: fixed;
  bottom: 2rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

@media (max-height: 640px) {
  body {
    justify-content: flex-start;
    padding-top: 4rem;
  }

  footer {
    position: static;
    margin-top: 4rem;
  }
}

@media (max-width: 480px) {
  .qr-link {
    width: 100px;
    height: 100px;
  }
}