*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  font-family: "Josefin Sans", sans-serif;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-color: #fafafa;
  min-height: 100vh;
  padding: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

.header-bg {
  width: 100%;
  height: 150px;
  background-image: url("../img/header_background.png");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.header-content {
  max-width: 375px;
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
}

.header-content h1 {
  color: white;
  letter-spacing: 10px;
  font-size: 28px;
  font-weight: 700;
  margin: 0;
}

.header-content img {
  width: 20px;
  height: auto;
}

.container {
  max-width: 375px;
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  box-sizing: border-box;
  position: relative;
  z-index: 3;
}

.form-group {
  width: 100%;
  margin-bottom: 20px;
  position: relative;
  top: -30px;
}

.form-group input {
  width: 100%;
  border: none;
  padding: 14px 20px;
  margin-bottom: 16px;
  font-size: 16px;
  color: #494c6b;
  background-color: #ffffff;
  border-radius: 8px;
  box-sizing: border-box;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

ul.lists {
  padding: 0;
  margin: 0 0 16px 0;
  list-style: none;
  border-radius: 8px;
  box-sizing: border-box;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

ul.lists li {
  border-top: 1px solid #ccc;
  color: #494c6b;
  padding: 19px 20px;
  font-size: 16px;
  box-sizing: border-box;
  position: relative;
}

ul.lists li:first-child {
  border-top: none;
}

.buttons {
  display: flex;
  background-color: #ffffff;
  justify-content: space-between;
  padding: 6px 0;
  box-sizing: border-box;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.add,
.reset {
  border: none;
  color: #9495a5;
  background-color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  padding: 8px 20px;
  border-radius: 4px;
  transition: color 0.2s ease;
}

.add:hover,
.reset:hover {
  color: #3a7cfd;
}

@media (min-width: 768px) {
  .header-bg {
    height: 200px;
  }

  .header-content {
    max-width: 600px;
    padding: 0 40px;
  }

  .header-content h1 {
    font-size: 36px;
    letter-spacing: 12px;
  }

  .header-content img {
    width: 40px;
  }

  .container {
    max-width: 600px;
    padding: 0 40px;
    margin-top: 0;
  }

  .form-group {
    top: -30px;
  }

  .form-group input {
    font-size: 18px;
    padding: 16px 24px;
  }

  ul.lists li {
    font-size: 18px;
    padding: 22px 24px;
  }

  .buttons {
    padding: 6px 0;
  }

  .add,
  .reset {
    font-size: 18px;
    padding: 10px 28px;
  }
}

@media (min-width: 1200px) {
  .header-bg {
    height: 250px;
  }

  .header-content {
    max-width: 800px;
    padding: 0 60px;
  }

  .header-content h1 {
    font-size: 44px;
    letter-spacing: 14px;
  }

  .header-content img {
    width: 60px;
  }

  .container {
    max-width: 800px;
    padding: 0 60px;
  }

  .form-group {
    top: -33px;
  }

  .form-group input {
    font-size: 20px;
    padding: 18px 32px;
  }

  ul.lists li {
    font-size: 20px;
    padding: 26px 32px;
  }

  .buttons {
    padding: 6px 0;
  }

  .add,
  .reset {
    font-size: 20px;
    padding: 12px 36px;
  }
}