/* ===== Global ===== */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ===== Header ===== */
header {
  width: 100%;
  text-align: center;
  padding: 25px;
  background: #1f1d19; 
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
  border-radius: 0 0 15px 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ===== Landing Container ===== */
.landing-container {
  text-align: center;
  margin-top: 20px;
}

.landing-container h2 {
  color: #1f2937; 
  margin-bottom: 50px;
  font-size: 1.7rem;
}

/* ===== Buttons ===== */
.button-group {
  display: flex;
  flex-direction: column;
  gap: 25px;
  width: 300px;
  margin: 0 auto;
}

.button-group button {
  padding: 18px;
  font-size: 1.2rem;
  font-weight: bold;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* ===== Color Buttons===== */
#systemBtn { background: #1f1d19; }
#functionsBtn { background: #734a3c; }
#documentBtn { background: #826a73; }

/* Hover effect */
.button-group button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* ====== Bottom Page Spacing ====== */
body {
  padding-bottom: 125px;
}

.main-header {
  padding: 26px 20px;
  background-color: #FEFCFA;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.header-content {
  display: flex;             
  align-items: center;        
  justify-content: center;    
  gap: 14px;      }           

.logo {
  width: 42px;
  height: auto;
}

.header-content h1 {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 700;
  color: #1f1d19;
}