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

body {
  font-family: 'Roboto', Arial, sans-serif;
  background-color: #f0f2f5;
  color: #2a2a2a;
  line-height: 1.7;
}

/* === Header === */
.header {
  background-color: #fefefe;
  border-bottom: 1px solid #e0e0e0;
  padding: 24px;
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: #1a1a1a;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

/* === Main Container === */
.main-container {
  max-width: 1280px;
  margin: 30px auto;
  padding: 24px;
  background-color: #fff;
  border-radius: 16px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.07);
}

/* === Cards === */
.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.card {
  background-color: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 12px;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #e5e5e5;
  margin-bottom: 16px;
  transition: border-color 0.3s ease;
}

.card img:hover {
  border-color: #1e90ff;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: #1e90ff;
  font-weight: 600;
  transition: color 0.3s ease;
}

.card p {
  font-size: 0.9rem;
  color: #5a5a5a;
  padding: 0 12px;
}

.card:hover h3 {
  color: #1565c0;
}

@media (max-width: 600px) {
  .card img {
    width: 80px;
    height: 80px;
  }
}

/* === Article === */
.article {
  max-width: 900px;
  margin: 0 auto 48px;
  background-color: #fff;
  padding: 24px;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
}

.article h1 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #0d0d0d;
}

.article h2 {
  font-size: 1.4rem;
  margin-top: 28px;
  margin-bottom: 14px;
  color: #1a1a1a;
}

.article p {
  margin-bottom: 18px;
  font-size: 1.05rem;
  color: #3c3c3c;
}

.article img,
.article .round {
  display: block;
  width: 35vw;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  margin: 24px auto;
  border: 5px solid #e0e0e0;
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.08);
}

.article ul,
.article ol {
  margin: 18px 0;
  padding-left: 24px;
}

.article li {
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .article {
    padding: 20px;
  }

  .article h1 {
    font-size: 1.5rem;
  }

  .article h2 {
    font-size: 1.2rem;
  }

  .article img,
  .article .round {
    width: 85vw;
  }
}

/* === Related Links === */
.related-links-title {
  font-size: 1.2rem;
  margin-top: 36px;
  margin-bottom: 20px;
  color: #2a2a2a;
}

.related-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.related-links-grid a {
  text-decoration: none;
  background-color: #f8f9fa;
  color: #1e90ff;
  padding: 14px 16px;
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid #e5e5e5;
}

.related-links-grid a:hover {
  background-color: #e3f0ff;
  color: #1565c0;
}

/* === Pagination === */
.pagin {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.pagin a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #e5e5e5;
  color: #2a2a2a;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.pagin a:hover {
  background-color: #d0d0d0;
}

.pagin a.active {
  background-color: #1e90ff;
  color: #fff;
  font-weight: 700;
}

/* === Footer === */
.footer {
  text-align: center;
  padding: 24px;
  background-color: #fefefe;
  border-top: 1px solid #e0e0e0;
  font-size: 0.95rem;
  color: #5a5a5a;
  margin-top: 48px;
  box-shadow: 0 -3px 8px rgba(0, 0, 0, 0.05);
}

/* === Contact Form === */
.contact-form {
  background-color: #f8f9fa;
  padding: 24px;
  border-radius: 10px;
  margin-top: 24px;
}

.contact-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #d0d0d0;
  border-radius: 8px;
  margin-bottom: 16px;
  font-family: inherit;
  font-size: 1.05rem;
}

.contact-form button {
  background-color: #1e90ff;
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1.05rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-form button:hover {
  background-color: #1565c0;
}

section {
  margin-bottom: 48px;
}

h1, h2 {
  color: #0d0d0d;
  margin-bottom: 20px;
}

h1 {
  font-size: 2rem;
  text-align: center;
}

h2 {
  font-size: 1.5rem;
  border-left: 5px solid #1e90ff;
  padding-left: 12px;
  margin-bottom: 14px;
}

p, li {
  font-size: 1.05rem;
  color: #3c3c3c;
  margin-bottom: 12px;
}

ul {
  padding-left: 24px;
}

ul li {
  margin-bottom: 8px;
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Navigation */
.nav a.active,
.nav a:hover {
  color: #1565c0;
}