@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-Regular.woff2') format('woff2'),
       url('../assets/fonts/Poppins-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-Medium.woff2') format('woff2'),
       url('../assets/fonts/Poppins-Medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../assets/fonts/Poppins-SemiBold.woff2') format('woff2'),
       url('../assets/fonts/Poppins-SemiBold.woff') format('woff');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --space-sm: 0.75rem; /* 12px */
  --space-md: 1.25rem; /* 20px */
  --space-lg: 2rem;    /* 32px */
  --space-xl: 2.5rem;  /* 40px */

  --line-height-base: 1.5;
  --line-clamp-lines: 10;

  --color-bg-app: #F3F2F7;
  --color-bg-content: #FFFFFF;
  --color-text-default: #0B002E;
  --color-text-light: #0B002EA3;
  --color-border-default: #0B002E33;
  --color-border-focus: #6666FF;
  --color-btn-primary-bg: #FF4C5C;
  --color-btn-neutral-bg: #0B002E0D;
  --color-btn-primary: #FFFFFF;

  --transition-base: 0.3s;
}

html {
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
}
  
body {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 1rem;
  line-height: var(--line-height-base);
}

main {
  height: 100dvh;
  /* fallback */
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--color-bg-app);
  overflow-y: auto;
}

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

.banner {
  position: relative;
  background: var(--color-bg-content);
  border: 2px solid var(--color-border-focus);
  border-radius: 12px;
  padding: var(--space-lg) 2.75rem;
  max-width: 700px;
  overflow: hidden;
  transition: border-color var(--transition-base) ease-in-out;
}

.banner:hover {
  border-color: var(--color-border-default);
}

.banner__title {
  max-width: 90%;
  margin-top: 0;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.75rem;

  overflow-wrap: break-word;
  /* fallback */
  word-break: break-word;
}

.banner__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 40px;
  background: var(--color-btn-neutral-bg);
  cursor: pointer;
}

.banner__close-icon {
  width: 24px;
  height: 24px;
}

.banner__wrapper {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.banner__wrapper > * {
  margin: 0;
  flex: 1;
}

.banner__text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: var(--line-clamp-lines);
  overflow: hidden;

  /* fallback */
  line-height: var(--line-height-base);
  max-height: calc(var(--line-height-base) * var(--line-clamp-lines));
}

.banner__list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-weight: 500;
}

.banner__list-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.banner__list-item:not(:first-child) {
  margin-top: var(--space-sm);
}

.banner__list-icon {
  width: 24px;
  height: 24px;
}

.banner__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-sm);
}

.banner__button {
  padding: var(--space-sm) 1.5rem;
  border-radius: 12px;
  background-color: var(--color-btn-primary-bg);
  color: var(--color-btn-primary);
  font-weight: 500;
  line-height: 1;
}

.banner__link {
  color: var(--color-text-light);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.banner__decoration {
  position: absolute;
  bottom: -2rem;
  right: 0;
  width: 300px;
  height: 200px;
  background: url("../assets/images/img-coins@2x.png") no-repeat center / contain;
}

.banner__close,
.banner__button, 
.banner__link {
  transition: opacity var(--transition-base) ease-in-out;
}

.banner__close:hover,
.banner__button:hover, 
.banner__link:hover {
  opacity: 0.8;
}

@media only screen and (max-width: 600px) {
  main {
    padding: var(--space-md);
  }

  .banner {
    padding: var(--space-md);
  }

  .banner__title {
    margin-bottom: var(--space-md);
    font-size: 1.25rem;
    line-height: var(--line-height-base);
  }

  .banner__close {
    width: 28px;
    height: 28px;
  }

  .banner__close-icon {
    width: 18px;
    height: 18px;
  }

  .banner__wrapper {
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .banner__actions {
    flex-direction: column;
  }

  .banner__button {
    width: 100%;
    text-align: center;
  }

  .banner__decoration {
    display: none;
  }
}