/* Keep */
.column-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ==========================
   General Reset & Base Styles
   ========================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #2d3748;
  background-color: #f7fafc;
  padding: 24px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ==========================
   Header Styles (Centered)
   ========================== */
header {
  background: linear-gradient(135deg, #0d9488 0%, #1e293b 100%);
  color: #ffffff;
  padding: 32px 24px;
  margin-bottom: 24px;
  border-radius: 8px;
  border-top: 6px solid #14b8a6;
  text-align: center;
}

header h1, header h2, header h3, header h4, header h5, header h6 {
  color: #ffffff;
  margin-bottom: 8px;
}

header p {
  color: #ccfbf1;
}

/* ==========================
   Navigation Styles (Horizontal & Centered)
   ========================== */
nav {
  background-color: #0f172a;
  padding: 16px 24px;
  margin-bottom: 24px;
  border-radius: 8px;
  display: flex;
  flex-direction: row; /* Aligns content across horizontally */
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap; /* Allows links to wrap neatly on mobile screens */
}

nav ul {
  list-style: none;
  display: flex;
  flex-direction: row; /* Keeps list items side-by-side */
  justify-content: center;
  gap: 16px;
  align-items: center;
  padding: 0;
  margin: 0;
}

nav a {
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

nav a:hover,
nav a:focus {
  color: #ffffff;
  background-color: #0d9488;
}

nav a.active {
  color: #ffffff;
  background-color: #0d9488;
  font-weight: 600;
}

/* ==========================
   Headings & Articles
   ========================== */
h1, h2, h3, h4, h5, h6 {
  color: #0f172a;
  margin-bottom: 12px;
}

article {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-top: 4px solid #0d9488;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

/* ==========================
   Footer Styles (Compact & Centered)
   ========================== */
footer {
  background-color: #ffffff;
  color: #475569;
  padding: 12px 20px;
  margin-top: auto;
  align-self: center;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  display: inline-block;
  width: auto;
  max-width: 100%;
  text-align: center;
}

footer p {
  margin: 0;
  font-size: 0.85rem;
}

footer ul {
  list-style: none;
  display: inline-flex;
  gap: 12px;
  padding: 0;
  margin: 4px 0 0 0;
}

footer a {
  color: #0d9488;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

footer a:hover,
footer a:focus {
  color: #1e293b;
  text-decoration: underline;
}

/* ==========================
   Text Utility Classes
   ========================== */
.underline-text {
  text-decoration: underline;
  text-decoration-color: #0d9488;
  text-underline-offset: 4px;
}

.bold-text {
  font-weight: bold;
}

/* Font Weight Classes */
.thin-text {
  font-weight: 100;
}

.light-text {
  font-weight: 300;
}

.normal-text {
  font-weight: 400;
}

.medium-text {
  font-weight: 500;
}

.semibold-text {
  font-weight: 600;
}

.bold-weight-text {
  font-weight: 700;
}

.heavy-text {
  font-weight: 800;
}

.black-text {
  font-weight: 900;
}