:root {
    --accent: #8b0000;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Helvetica, Arial, sans-serif;
    background: #ffffff;
    color: #000000;
    line-height: 1.6;
}

nav {
    border-bottom: 1px solid #000;
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 600;
    font-size: 18px;
    color: var(--accent);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: #000;
    font-size: 14px;
}

nav a:hover {
    color: var(--accent);
    text-decoration: underline;
}

main {
    flex: 1;
    max-width: 960px;
    margin: 48px auto;
    padding: 0 20px;
}

.hero {
    margin-bottom: 56px;
}

.hero h1 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 10px;
}

.hero p {
    max-width: 640px;
    font-size: 16px;
    margin-bottom: 20px;
}

.download-btn {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid var(--accent);
    text-decoration: none;
    color: var(--accent);
    font-size: 14px;
}

.download-btn:hover {
    background: var(--accent);
    color: #fff;
}

section {
    margin-bottom: 48px;
}

h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 14px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--accent);
}

.features, .updates {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px 24px;
}

.features li, .updates li {
    position: relative;
    padding-left: 24px;
    font-size: 15px;
    line-height: 1.5;
}

.features li::before,
.updates li::before {
    content: "-";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 16px;
    top: 0;
}

footer {
    border-top: 1px solid #000;
    padding: 18px;
    text-align: center;
    font-size: 13px;
}

footer strong {
    color: var(--accent);
}

.contact a,
.contact-card a {
    color: var(--accent);
    text-decoration: none;
}

.contact a:hover,
.contact-card a:hover {
    text-decoration: underline;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5em;
    height: 100%;
}

.navbar-logo img {
    height: 4em;
    width: auto;
    display: block;
}

.navbar-logo .logo {
    font-size: 1em;
    line-height: 1;
}