body {
    font-family: 'Inter', sans-serif;
    background-color: #d9e9ff;
    margin: 0;
    padding: 0;
  }
  header {
    max-width: 640px;
    margin: 3rem auto 1.5rem;
    padding: 0 1.5rem;
    text-align: center;
  }
  header h1 {
    font-weight: 800;
    font-size: 2.5rem;
    line-height: 1.1;
    color: #1e4fcf;
    margin: 0;
  }
  header h1 span {
    font-weight: 900;
  }
  header p {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: #3a3a3a;
    line-height: 1.4;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
  }
  main {
    max-width: 896px;
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
  }
  section.landing-container {
    background: white;
    border-radius: 2rem;
    box-shadow: 0 10px 30px rgb(0 0 0 / 0.1);
    display: flex;
    flex-direction: column;
    overflow: visible;
    min-height: 420px;
    position: relative;
  }
  @media (min-width: 768px) {
    section.landing-container {
      flex-direction: row;
    }
  }
  nav.navbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #3a3a3a;
    margin-bottom: 2rem;
    user-select: none;
    flex-wrap: wrap;
  }
  nav.navbar .logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 700;
    font-size: 0.875rem;
    cursor: default;
    color: #3a3a3a;
    flex-shrink: 0;
  }
  nav.navbar .logo img {
    width: 20px;
    height: 20px;
    user-select: none;
    pointer-events: none;
  }
  nav.navbar a {
    text-decoration: none;
    color: #3a3a3a;
    transition: color 0.2s ease;
    white-space: nowrap;
  }
  nav.navbar a.active,
  nav.navbar a:hover {
    color: #3a8cf5;
    border-bottom: 2px solid #3a8cf5;
    padding-bottom: 0.125rem;
  }
  nav.navbar .spacer {
    flex-grow: 1;
  }
  nav.navbar .login {
    font-weight: 700;
    cursor: pointer;
    transition: color 0.2s ease;
  }
  nav.navbar .login:hover {
    color: #3a8cf5;
  }
  nav.navbar .register-btn {
    background-color: #3a8cf5;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-left: 0.75rem;
    white-space: nowrap;
  }
  nav.navbar .register-btn:hover {
    background-color: #2a6adf;
  }
  nav.navbar .settings-btn {
    margin-left: 0.75rem;
    background: none;
    border: none;
    color: #3a3a3a;
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.2s ease;
  }
  nav.navbar .settings-btn:hover {
    color: #3a8cf5;
  }
  .content-left {
    padding: 2rem 1.5rem 2rem 1.5rem;
    z-index: 20;
    flex: 1 1 50%;
    max-width: 100%;
  }
  @media (min-width: 768px) {
    .content-left {
      padding-left: 3rem;
      padding-right: 1.5rem;
      max-width: 50%;
    }
  }
  .content-left h2 {
    font-weight: 800;
    font-size: 1.5rem;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
    line-height: 1.2;
  }
  .content-left p.description {
    font-size: 0.75rem;
    color: #3a3a3a;
    margin: 0 0 1.5rem 0;
    max-width: 18rem;
    line-height: 1.4;
  }
  .btn-write {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #3a8cf5;
    border: 1px solid #3a8cf5;
    border-radius: 0.375rem;
    padding: 0.25rem 1rem;
    background: transparent;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
    user-select: none;
    white-space: nowrap;
  }
  .btn-write:hover {
    background-color: #3a8cf5;
    color: white;
  }
  .btn-write i {
    font-size: 0.75rem;
  }
  .bottom-tabs {
    margin-top: 3rem;
    display: flex;
    gap: 3rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #3a3a3a;
    max-width: 18rem;
    flex-wrap: wrap;
  }
  .tab {
    max-width: 9rem;
  }
  .tab .title {
    margin-bottom: 0.25rem;
  }
  .tab.business .title {
    color: #3a8cf5;
  }
  .tab.business .underline {
    width: 4rem;
    border-bottom: 2px solid #3a8cf5;
    margin-bottom: 0.25rem;
  }
  .tab p {
    font-weight: 400;
    font-size: 0.5625rem;
    line-height: 1.2;
    margin: 0;
    color: #3a3a3a;
  }
  /* Right side image container */
  .image-right {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 10;
    width: 320px;
    height: 280px;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
    pointer-events: none;
  }
  @media (min-width: 768px) {
    .image-right {
      position: relative;
      width: 50%;
      height: auto;
      padding-left: 1.5rem;
      justify-content: flex-end;
      pointer-events: auto;
      user-select: auto;
    }
  }
  .image-right img {
    width: 320px;
    height: 280px;
    object-fit: contain;
    user-select: none;
    pointer-events: none;
  }