:root {
    --fonte: "Google Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    --pf-font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    --font-color: #ffffff;
    --primary-color: #021A29;
    --tertiary-color: #00AECA;
    --success: #55d889;
    --warning: #e9c957;
    --failure: #ef5a61;
}

* {
    margin: 0;
    border: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: var(--fonte);
    color: var(--font-color);
    scroll-behavior: smooth;
}

body {
    background-color: var(--background);
    position: relative;
}

main {
    width: 100%;
    min-height: calc(100vh - 4rem);
    position: relative;
    padding: 3rem 4rem;
    overflow: hidden;
    background: radial-gradient(circle at 50% 40%, #021A29, transparent 40%),
    linear-gradient(135deg, #021A29, #021A29 65%, #021A29);
}

.grid {
    position: absolute;
    width: 650px;
    height: 700px;
    left: 46%;
    top: 40px;
    opacity: .25;
    background-image:
        linear-gradient(
            rgba(54, 131, 255, .2) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(54, 131, 255, .2) 1px,
            transparent 1px
        );
    background-size: 38px 38px;
    mask-image:
        linear-gradient(
            to bottom,
            transparent,
            black 20%,
            black 80%,
            transparent
        );
    z-index: 0;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background-color: var(--primary-color);
    position: top;
    width: 100%;
    height: 4rem;
}

header h1 {
    font-size: 1.5rem;
}

header nav {
    display: flex;
    gap: 2rem;
    font-weight: 600;
}