/* ===== Header ===== */
header {
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid #e8e0f5;
  position: sticky;             /* sticky header */
  top: 0;
  z-index: 1100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px; 
  max-width: 1200px;    
  margin: 0 auto;       
}

.logo img {
  height: 50px;
}

/* ===== Navigation ===== */
nav {
  position: sticky;             /* make nav sticky separately */
  top: 0;
  z-index: 1200;
  background: #ffffff;          /* keep background solid */
}

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

nav ul li a {
  text-decoration: none;
  color: #2c2c2c;
  font-weight: 500;
  transition: color 0.3s ease;
}

nav ul li a:hover {
  color: #8d6bcb;               /* softer hover purple */
}

/* ===== Notice Bar ===== */
.notice-bar {
  background: #a17edc;          /* primary color */
  color: #fff;
  padding: 10px;
  text-align: center;
  font-weight: bold;
  font-size: 14px;
  letter-spacing: 0.5px;
}

/* ===== Footer ===== */
footer {
  width: 100%;
  background: #e4def3;         /* softer footer color */
  color: #2c2c2c;
  padding: 35px 20px;
  text-align: center;
  margin-top: 50px;
}

footer a {
  color: #2c2c2c;
  text-decoration: none;
  font-weight: 500;
}

footer a:hover {
  text-decoration: underline;
}

/* ===== Tools Article ===== */
.tools-article {
    font-family: 'Inter', sans-serif;
    background: #ffffff;
    color: #2c2c2c;
    padding: 60px 50px; /* top/bottom 40px, left/right 50px */
    border-radius: 12px;
    border: 1px solid #e8e0f5;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);

    /* new additions */
    max-width: 1100px;   /* limit width for readability */
    margin: 50px auto;  /* center horizontally with space on top/bottom */
}

.tools-article h2 {
    color: #a17edc;
    font-size: 1.8em;
    margin-bottom: 15px;
    text-align: center;
}

.tools-article h3 {
    color: #8a56e6;
    margin-top: 25px;
    margin-bottom: 12px;
    font-size: 1.3em;
}

.tools-article p, 
.tools-article li {
    line-height: 1.7;
    font-size: 1.05em;
}

.tools-article ul, 
.tools-article ol {
    margin: 15px 0 20px 25px;
}

.tools-article strong {
    color: #2c2c2c;
}

.tools-article span {
    display: inline-block;
    margin-top: 10px;
}

.tools-article ul li::marker {
    color: #a17edc;
}

.tools-article ol li::marker {
    color: #8a56e6;
    font-weight: bold;
}