:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #1e293b;
    --text-color: #334155;
    --heading-color: #0f172a;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--heading-color);
}

.nav-links a {
    margin-left: 2rem;
    font-weight: 600;
    color: var(--text-color);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-color) 0%, #ffffff 100%);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--heading-color);
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: white;
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--secondary-color);
}

/* Features */
.features {
    padding: 4rem 0;
}

.features h2, .integrations h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--heading-color);
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05);
    border: 1px solid var(--border-color);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    color: var(--heading-color);
    font-size: 1.25rem;
}

/* Integrations */
.integrations {
    padding: 4rem 0;
    text-align: center;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.integrations p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tool-name {
    padding: 0.5rem 1rem;
    background-color: var(--bg-color);
    border-radius: 2rem;
    font-weight: 600;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.more-info a {
    color: var(--primary-color);
    font-weight: 600;
}

.more-info a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: #64748b;
}

footer a {
    color: var(--primary-color);
}

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none; /* Keep it simple for now, or stack them */
    }
    
    /* Simple mobile nav alternative: just show the logo and maybe one CTA? 
       Actually, let's just make the nav links stack or be smaller. 
    */
    header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        display: block;
    }
    
    .nav-links a {
        margin: 0 0.5rem;
        font-size: 0.9rem;
    }
}
