/* MAC Address Converter — Download portal stylesheet
   Palette matches the app's dark theme:
     #2b2b2b background, #0078d4 accent, #e0e0e0 body text. */

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #1e1e1e;
    color: #e0e0e0;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px 24px 32px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 32px;
}

.app-icon {
    width: 128px;
    height: 128px;
    image-rendering: -webkit-optimize-contrast;
}

h1 {
    margin: 16px 0 8px;
    font-size: 2rem;
    font-weight: 600;
    color: #ffffff;
}

.version-badge {
    display: inline-block;
    margin: 0 0 16px;
    padding: 4px 12px;
    background: #2b2b2b;
    border: 1px solid #555;
    border-radius: 999px;
    color: #b0b0b0;
    font-size: 0.85rem;
    font-family: "Segoe UI Mono", "Cascadia Mono", Consolas, monospace;
}

.tagline {
    margin: 0 auto;
    max-width: 540px;
    color: #c0c0c0;
    font-size: 1rem;
}

/* CTA section */
.cta-section {
    text-align: center;
    padding: 32px 0;
    border-top: 1px solid #333;
    border-bottom: 1px solid #333;
    margin-bottom: 32px;
}

.download-btn {
    display: inline-block;
    background: #0078d4;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 14px 36px;
    border-radius: 6px;
    transition: background 0.15s ease;
}

.download-btn:hover,
.download-btn:focus {
    background: #1084d8;
    outline: none;
}

.download-btn:focus-visible {
    outline: 2px solid #66b3e6;
    outline-offset: 2px;
}

.cta-sub {
    margin: 16px 0 0;
    color: #888;
    font-size: 0.9rem;
}

/* Content sections */
section.features,
section.requirements {
    margin-bottom: 32px;
}

h2 {
    margin: 0 0 12px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
}

ul {
    margin: 0;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

kbd {
    display: inline-block;
    padding: 1px 6px;
    background: #2b2b2b;
    border: 1px solid #555;
    border-radius: 4px;
    color: #e0e0e0;
    font-family: "Segoe UI Mono", "Cascadia Mono", Consolas, monospace;
    font-size: 0.85rem;
    line-height: 1.2;
}

/* Footer */
footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid #333;
    text-align: center;
    font-size: 0.9rem;
}

footer a {
    color: #4ea8e0;
    text-decoration: none;
}

footer a:hover,
footer a:focus {
    text-decoration: underline;
}

footer .meta {
    margin-top: 8px;
    color: #888;
    font-size: 0.8rem;
}

/* Responsive — phone */
@media (max-width: 480px) {
    .container { padding: 32px 16px 24px; }
    h1 { font-size: 1.6rem; }
    .app-icon { width: 96px; height: 96px; }
    .download-btn { padding: 12px 24px; font-size: 1rem; display: block; }
}