header {
  background: #111111;
  position: sticky;
  top: 0;
  z-index: 1000; }

.navbar {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px; }

.logo {
  color: #ffffff;
  text-decoration: none;
  font-size: 24px;
  font-weight: 700; }

.nav-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 0;
  margin: 0; }
  .nav-links li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    transition: 0.3s; }
    .nav-links li a:hover {
      color: #aaaaaa; }

@media (min-width: 768px) {
  .navbar {
    flex-direction: row;
    justify-content: space-between; }
  .nav-links {
    gap: 30px; } }

footer {
  background: #111111;
  color: #ffffff;
  text-align: center;
  padding: 30px 20px; }
  footer p {
    margin: 0;
    font-size: 14px; }

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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #111111;
  background: #ffffff;
  line-height: 1.6; }

.about-page {
  min-height: 80vh;
  padding: 80px 20px;
  background: #f5f5f5;
  display: flex;
  align-items: center; }

.about-content {
  width: 100%;
  max-width: 900px;
  margin: 0 auto; }
  .about-content .small-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 15px; }
  .about-content h1 {
    font-size: 42px;
    line-height: 1.2;
    margin-bottom: 25px; }
  .about-content p:not(.small-title) {
    color: #666666;
    font-size: 18px;
    max-width: 700px;
    margin-bottom: 20px; }

.button {
  display: inline-block;
  margin-top: 15px;
  padding: 14px 28px;
  background: #111111;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  transition: 0.3s; }
  .button:hover {
    background: #444444; }

@media (min-width: 768px) {
  .about-page {
    padding: 100px 40px; }
  .about-content h1 {
    font-size: 60px; } }