:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --border: #e2e8f0;
}


* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;
    padding: 0;

    background: var(--bg);
    color: var(--text);

    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Arial,
        sans-serif;

    line-height: 1.6;
}


a {
    color: inherit;
    text-decoration: none;
}


.container {

    width: min(1200px, calc(100% - 48px));

    margin: 0 auto;

}


/* Header */

.header {

    height: 80px;

    display: flex;

    align-items: center;

    justify-content: space-between;

}


.logo {

    font-size: 28px;

    font-weight: 700;

    letter-spacing: -0.5px;

}


.logo span {

    color: var(--primary);

}



.nav {

    display: flex;

    gap: 28px;

}


.nav a {

    color: var(--muted);

    font-size: 15px;

}


.nav a:hover {

    color: var(--primary);

}



/* Buttons */


.button {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    padding: 12px 24px;

    border-radius: 8px;

    background: var(--primary);

    color: white;

    font-weight: 500;

    transition: .2s;

}


.button:hover {

    background: var(--primary-dark);

}



.button-secondary {

    background: transparent;

    border: 1px solid var(--border);

    color: var(--text);

}


.button-secondary:hover {

    border-color: var(--primary);

    color: var(--primary);

    background: transparent;

}



/* Hero */


.hero {

    padding:

        100px 0

        80px;

}


.hero-grid {

    display: grid;

    grid-template-columns:

        1fr 1fr;

    gap: 60px;

    align-items: center;

}



.hero h1 {

    font-size:

        clamp(36px, 5vw, 58px);

    line-height: 1.1;

    letter-spacing: -1px;

    margin-bottom: 24px;

}



.hero p {

    font-size: 20px;

    color: var(--muted);

    max-width: 620px;

}



.actions {

    margin-top: 36px;

    display: flex;

    gap: 16px;

}



/* Cards */


.cards {

    display: grid;

    grid-template-columns:

        repeat(3,1fr);

    gap: 24px;

}


.card {

    background:

        var(--surface);

    border:

        1px solid var(--border);

    border-radius: 16px;

    padding: 28px;

}



.card h3 {

    margin-top: 0;

}


.card p {

    color: var(--muted);

}



/* Footer */


.footer {

    border-top:

        1px solid var(--border);

    margin-top: 80px;

    padding: 30px 0;

    color: var(--muted);

    font-size: 14px;

}



/* Loading page */


.loader {

    height: 100vh;

    display:

        flex;

    flex-direction:

        column;

    align-items:

        center;

    justify-content:

        center;

}



.brand {

    font-size: 42px;

    font-weight: 700;

}


.message {

    margin-top: 12px;

    color: var(--muted);

}



/* Error */


.error-page {

    height: 100vh;

    display:

        flex;

    flex-direction:

        column;

    align-items:

        center;

    justify-content:

        center;

    text-align:

        center;

}


.error-page h1 {

    font-size: 120px;

    margin: 0;

    color: var(--primary);

}


/* Responsive */


@media(max-width:900px) {


    .hero-grid {

        grid-template-columns:

            1fr;

    }


    .cards {

        grid-template-columns:

            1fr;

    }


    .nav {

        display:none;

    }


}

/* Downloads - Coming soon */

.button.disabled {
    opacity: 0.6;
    cursor: default;
    pointer-events: none;
}