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

/* ================================
   LAYOUT
   ================================ */
body {
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: #e5e7eb;

    display: flex;
    flex-direction: column;
}

/* Pozadí (SVG) */
#pcb-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: #0b1220;
}

/* Střed obsahu */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 24px;
    padding: 24px;
}

h1 {
    font-weight: 650;
    letter-spacing: 0.8px;
}

/* Rozcestník */
.links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.links a {
    text-decoration: none;
    color: #38bdf8;
    padding: 12px 44px;
    border: 1px solid rgba(56,189,248,0.35);
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.links a:hover {
    background-color: rgba(56,189,248,0.10);
    box-shadow: 0 0 14px rgba(56,189,248,0.28);
    transform: translateY(-2px);
}

/* Footer dole */
footer {
    padding: 14px 12px;
    text-align: center;
    font-size: 0.85rem;
    color: #94a3b8;
}