* {
  box-sizing: border-box;
}

:root {
  --padding: 20px;
  --border-radius: 5px;
  --blur: 20px;
  --blur-bg: rgb(255 255 255 / 70%);

  scroll-behavior: smooth;

  font:
    16px "Helvetica Neue",
    "Helvetica",
    Arial,
    sans-serif;
}

body {
  margin: 0;
}

a {
  color: #000;
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--padding) / 2);

  background-color: var(--blur-bg);
  backdrop-filter: blur(var(--blur));

  .logo {
    max-width: 300px;

    img {
      width: 100%;
      display: inline-block;
    }
  }

  .nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: var(--padding);

    @media (max-width: 600px) {
      font-size: 11px;
      gap: 5px;
      margin-left: 10px;
    }
  }

  a {
    text-decoration: none;
    text-transform: uppercase;
  }
}

section {
  min-height: 100vh;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;

  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  align-content: center;
}

section#home {
  background-image: url("images/hero_bg.jpg");

  .hero-content {
    color: #fff;
    font-size: 100px;
    text-transform: uppercase;
    text-align: left;
    margin: auto;

    @media (max-width: 700px) {
      font-size: 40px;
    }

    @media (max-width: 300px) {
      font-size: 20px;
    }
  }
}

section#contact {
  background-image: url("images/hands.jpg");
}

section#about {
  background-image: url("images/shake3.jpg");
}

section#team {
  background-image: url("images/team_bg.jpg");
}

section#services {
  background-image: url("images/services_bg.jpg");
}

.card {
  background-color: var(--blur-bg);
  backdrop-filter: blur(var(--blur));
  margin: var(--padding);
  border-radius: var(--border-radius);
  padding: var(--padding);
  text-align: left;

  img {
    width: 100%;
    border-radius: var(--border-radius);
    margin-bottom: var(--padding);
  }

  h3 {
    margin: 0 0 calc(var(--padding) / 2);
    text-transform: uppercase;
  }

  p {
    margin: 0;
  }
}

.card.large {
  justify-self: center;
  max-width: 600px;
  text-align: left;

  h3 {
    font-size: 2em;
  }

  p {
    margin: 10px 0px;
  }
}

footer {
  font-size: 0.5em;
  color: #999;
  text-align: center;
}