:root {
    --size: 6px;
    --size_r: 4px;
    --outline: 2px;
    --outline_r: 1px;
    --transition: 200ms ease;
    --brandColor1 : #0a689e;
    --bg-around: #000;
    --glass: rgba(20, 20, 24, 0.65);
    --glass-border: rgba(255, 255, 255, 0.12);

    /* a.btn color variable*/
    --a-btn-hover-color: #0a689edb;
    --a-btn-text-color: #fff;
    --a-btn-shadow: rgba(0, 0, 0, 0.2);
}

html,body {
    margin: 0;
    font-family: system-ui, Arial, sans-serif;
    background: var(--bg);
    color: var(--fg);
}

a.btn{
display: inline-block;
    padding: 10px 20px;
    background-color:var(--brandColor1);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

  a.btn:hover {
      background: var(--a-btn-hover-color);
      transform: translateY(-0.5px);
      box-shadow: 0 6px 16px var(--a-btn-shadow);
  }

  a.btn:active {
      transform: translateY(0);
      box-shadow: 0 3px 6px var(--a-btn-shadow);
  }

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 40px auto;
}

.logo, img {
    height: 50px;
    padding-left: 5px;
}

.logo, h1 {
    font-size:60px;
}

.page {
    max-width: 800px;
    margin: auto;
    text-align: center;
}

p.lead {
    font-size: 1.2rem;
    margin-bottom: 24px;
}

.card {
    background: white;
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    margin-top: 20px;
}

.section {
    margin-top: 60px;
    text-align: left;
}

footer {
    margin-top: 80px;
    font-size: 0.9rem;
    text-align: center;
}