:root {
    --primary-color: #9e1030; /* Mendeley Red */
    --secondary-color: #2e2e2e;
    --bg-color: #ffffff;
    --text-color: #333333;
    --muted-color: #666666;
    --light-grey: #f4f4f4;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
}

header {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-container img {
    height: 40px;
}

.app-name {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(to bottom, #fff, var(--light-grey));
}

.hero h1 {
    font-size: 42px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    color: var(--muted-color);
    max-width: 700px;
    margin: 0 auto 30px;
}

.cta-button {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    display: inline-block;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #7a0c25;
}

section {
    padding: 60px 0;
}

.section-title {
    font-size: 32px;
    margin-bottom: 40px;
    text-align: center;
    color: var(--secondary-color);
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    margin-bottom: 20px;
    padding-left: 30px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.image-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.image-card img {
    width: 100%;
    display: block;
}

.image-caption {
    padding: 15px;
    font-size: 14px;
    color: var(--muted-color);
    background: var(--light-grey);
}

.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
}

.footer a {
    color: #ccc;
    text-decoration: none;
}

.example-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.badge-img {
    height: 60px;
    margin-top: 20px;
}