/* Global Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1.6;
  background-color: #f9f9fb;
  color: #222;
  font-size: 16px;
}

p {
  margin-bottom: 1em;
}

h1 {
  font-size: 2.2rem;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5em;
}

h3 {
  font-size: 1.4rem;
  margin-top: 1em;
}

/* Header */
header {
  background-color: #023e8a;
  color: white;
  padding: 60px 20px;
  text-align: center;
}

header .cta-button {
  margin-top: 20px;
  display: inline-block;
  background: #ffd60a;
  color: #023e8a;
  padding: 12px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s, color 0.3s;
}

header .cta-button:hover {
  background-color: #fbbf24;
  color: #001845;
}

.inline-button {
  display: inline-block;
  background-color: #ffd60a;
  color: #023e8a;
  padding: 6px 12px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.3s;
}

.inline-button:hover {
  background-color: #fbbf24;
  color: #001845;
}

section {
  padding: 40px 20px;
  background: white;
  margin: 20px 0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Subjects List */
.subjects-list {
  columns: 2;
  list-style: none;
  padding-left: 0;
  gap: 1rem;
}

@media (max-width: 768px) {
  .subjects-list {
    columns: 1;
  }
  h1 {
    font-size: 1.8rem;
  }
  h2 {
    font-size: 1.5rem;
  }
  h3 {
    font-size: 1.2rem;
  }
}

/* Testimonials */
blockquote {
  background: #f1f5f9;
  border-left: 5px solid #023e8a;
  padding: 15px;
  margin: 20px 0;
  font-style: italic;
}

/* Contact Form */
form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

form input,
form textarea {
  padding: 10px;
  font-size: 1rem;
  width: 100%;
  border: 1px solid #ccc;
  border-radius: 4px;
}

form button {
  background-color: #023e8a;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s;
}

form button:hover {
  background-color: #001d3d;
}

/* Accessibility */
a:focus,
input:focus,
textarea:focus,
button:focus {
  outline: 2px solid #ffd60a;
  outline-offset: 2px;
}

::placeholder {
  color: #777;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  background: #001845;
  color: white;
  font-size: 0.9rem;
}

/* Optional: Visually hidden content for SEO */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}