/* ── GLOBAL.CSS ──────────────────────────────────────────────────
   Yhteinen tyyli kaikille sivuille.
   Jokainen sivu linkittää tämän + oman sivukohtaisen css:n.
──────────────────────────────────────────────────────────────── */

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

html, body {
  width: 100%;
}

body {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  color: #000000;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  letter-spacing: 0.2em;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 3rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  font-weight: 600;
}

main {
  padding-top: 150px;
  padding-bottom: 40px;
}

.page-title {
  font-size: 27px;
  letter-spacing: 0.2em;
  text-transform: lowercase;
}

.footer-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #aaa;
  display: flex;
  justify-content: center;
  padding: 1rem 2.5rem;
  width: 100%;
  margin-top: auto;
  font-weight: 500;
}

.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 20px;
  background: rgb(235, 63, 40);
  flex-shrink: 0;
  color: transparent;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}

.back-btn:hover {
  background: transparent;
  color: rgb(235, 63, 40);
  font-weight: 1000;
}