/* General Styles */
:root {
    --primary-color: #005FB8;
    --background-color: #F0F2F5;
    --surface-color: #FFFFFF;
    --text-color: #202124;
    --muted-text-color: #5F6368;
    --border-color: #DADCE0;
    --shadow: 0 1px 2px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.08);
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}
a:hover {
    text-decoration: underline;
}

/* Header & Hero Section */
.hero {
    background-color: var(--surface-color);
    padding: 1.5rem 0 2.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.app-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.header-button {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-button:hover {
    background-color: #E8EAED;
    border-color: #C5C7CA;
    text-decoration: none;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--muted-text-color);
    margin: 0 0 1.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
}
.button:hover {
    background-color: #004A94;
    text-decoration: none;
}

/* Sections */
section {
    padding: 2.5rem 0;
}
section h2 {
    text-align: center;
    font-size: 2rem;
    margin-top: 0;
    margin-bottom: 2rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.1);
}

.card h3 {
    margin-top: 0;
    font-size: 1.15rem;
}

/* Screenshot Section */
.screenshot-img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}


/* Installation Section */
.installation .card {
    margin-bottom: 1.5rem;
}

.installation ol {
    padding-left: 20px;
    margin: 1rem 0 0;
}

.installation ol li {
    margin-bottom: 0.5rem;
}


/* Footer */
footer {
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--muted-text-color);
    font-size: 0.9rem;
}