* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #222;
    background: #fff;
    line-height: 1.6;
}

.container {
    max-width: 850px;
    margin: 0 auto;
    padding: 0 25px;
}

header {
    padding: 55px 0 35px;
    border-bottom: 1px solid #eee;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 40px;
}

h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.subtitle {
    margin: 5px 0 0;
    color: #666;
    font-size: 0.95rem;
}

nav {
    white-space: nowrap;
}

nav a {
    margin-left: 20px;
}

a {
    color: #1769aa;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

main {
    padding: 55px 0;
}

section {
    margin-bottom: 65px;
}

h2 {
    margin-bottom: 25px;
    font-size: 1.35rem;
    font-weight: 600;
}

p {
    margin: 0 0 18px;
}

.publication {
    margin-bottom: 35px;
}

.publication-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.publication p {
    margin-bottom: 8px;
}

.links {
    margin-top: 12px;
}

footer {
    padding: 25px 0 40px;
    border-top: 1px solid #eee;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 700px) {
    .header-content {
        display: block;
    }

    nav {
        margin-top: 25px;
    }

    nav a {
        margin-left: 0;
        margin-right: 18px;
    }

    header {
        padding-top: 35px;
    }
}

.demo-example {
    margin-bottom: 50px;
}

.demo-example h3 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 600;
}

.audio-label {
    margin: 15px 0 5px;
    font-size: 0.9rem;
    color: #666;
}

audio {
    width: 100%;
    max-width: 600px;
}