:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --link-color: #2563eb;
    --accent-color: #1a1a1a;
    --code-bg: #f4f4f4;
}

body.dark-theme {
    --bg-color: #1a1b1e;   
    --text-color: #e2e8f0; 
    --link-color: #4ade80; 
    --accent-color: #4ade80;
    --code-bg: #2d2e32;
}

body {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    line-height: 1.6;
    font-family: "Courier New", Courier, monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background 0.3s, color 0.3s;
}

a { color: var(--link-color); text-decoration: underline; }
a:hover { background-color: var(--accent-color); color: var(--bg-color); text-decoration: none; }

h1, h2, h3 { text-transform: uppercase; border-bottom: 2px solid var(--accent-color); display: inline-block; margin-top: 30px; }
h3 { border-bottom: 1px solid var(--accent-color); font-size: 1.1em; }

nav { 
    margin-bottom: 40px; 
    border: 1px solid var(--accent-color); 
    padding: 10px; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
}

button#theme-toggle {
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    padding: 8px 15px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
    text-transform: uppercase;
}

hr { border: 0; border-top: 1px dashed var(--accent-color); margin: 3rem 0; }

.logo {
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  border: none;
}

.hero-text {
    font-size: 1.1em;
    border-left: 3px solid var(--accent-color);
    padding-left: 20px;
    margin: 30px 0;
    line-height: 1.6;
}

.offer {
    border-left: 3px solid var(--accent-color);
    padding-left: 20px;
    margin-bottom: 40px;
}

.price {
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 1rem;
    display: block;
}

footer { font-size: 0.8em; opacity: 0.7; margin-top: 50px; }
.stay-safe { font-family: monospace; opacity: 0.5; display: block; margin-top: 10px; }

ol li { margin-bottom: 10px; }