/* Minimal, clean styles with AI-themed accents */
:root {
    --ink: #0b1220;
    --muted: #f5f7fb;
    --brand: #0070c0;
    --accent: #4caf50;
}
/* Added green accent for AI/growth theme */
* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--ink);
}

a {
    color: var(--brand);
    text-decoration: none;
}

.container {
    width: min(1100px, 92vw);
    margin: 0 auto;
}

.site-header {
    border-bottom: 1px solid #e6eaf2;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}

    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
    }

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
}

.logo {
    font-size: 28px;
    line-height: 1;
}

.titles h1 {
    font-size: 18px;
    margin: 0;
}

.subtitle {
    margin: 0;
    color: #5b6b86;
    font-size: 12px;
}

nav a {
    margin-left: 18px;
    font-weight: 600;
}

.hero {
    background: linear-gradient(180deg, #e9f2fb 0%, #ffffff 100%);
    padding: 64px 0;
}

    .hero h2 {
        font-size: clamp(28px, 4vw, 40px);
        margin: 0 0 10px;
    }

    .hero p {
        max-width: 800px;
        margin: 8px 0 22px;
        color: #34425e;
    }

.cta {
    display: inline-block;
    padding: 12px 18px;
    background: var(--brand);
    color: white;
    border-radius: 10px;
    font-weight: 700;
}

.section {
    padding: 54px 0;
}

.muted {
    background: var(--muted);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
}

.card {
    background: #fff;
    border: 1px solid #e6eaf2;
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 1px 0 #eef2f8;
}

    .card h4 {
        color: var(--accent);
    }
/* AI-themed color for card headers */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
    gap: 16px;
}

@media (max-width: 820px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}
