*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* ---- RAW COLORS ---- */
  --color-white: #fff;
  --color-black: #000;
  --color-gray-600: #717fa6;
  --color-purple-500: #766cf1;
  --color-blue-950: #1f2e55;
  --color-blue-700: #382ae1;
  --color-blue-150: #d6e1ff;
  --color-blue-100: #e0e8ff;
  --color-blue-50: #f7f9ff;

  /* ---- SEMANTIC COLORS ---- */
  --color-bg-main: var(--color-blue-100);
  --color-bg-card: var(--color-white);
  --color-bg-plan: var(--color-blue-50);
  --color-text-primary: var(--color-blue-950);
  --color-text-secondary: var(--color-gray-600);
  --color-text-inverse: var(--color-white);
  --color-accent: var(--color-blue-700);
  --color-accent-hover: var(--color-purple-500);
}

body {
  font-family: "Red Hat Display", sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--color-bg-main);
  background-image: url(images/pattern-background-mobile.svg);
  background-repeat: no-repeat;
  background-size: contain;
}

.card {
  width: 100%;
  max-width: 20.438rem;
  border-radius: 20px;
  background-color: var(--color-bg-card);
  box-shadow: 0 40px 40px -20px rgba(13, 48, 189, 0.1518);
}

.card__img {
  display: block;
  width: 100%;
  height: auto;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

.card__content {
  padding: 2rem 1.5rem 1.625rem 1.5rem;
  text-align: center;
}

.card__title {
  font-size: 1.375rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--color-text-primary);
}

.card__description {
  margin-top: 1rem;
  font-size: 0.938rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.card__plan-container {
  margin-top: 1.5rem;
  background-color: var(--color-bg-plan);
  border-radius: 11px;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card__plan {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card__plan-img {
  max-width: 3rem;
  height: auto;
}

.card__plan-type {
  font-size: 0.938rem;
  font-weight: 900;
  line-height: 1.65;
  color: var(--color-text-primary);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.card__plan-price {
  font-size: 0.938rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.card__plan-action {
  text-decoration: none;
  font-size: 0.938rem;
  font-weight: 800;
  line-height: 1.65;
  color: var(--color-accent);
  cursor: pointer;
  transition: color 0.2s ease;
}

.card__plan-action:hover,
.card__plan-action:focus-visible {
  color: var(--color-accent-hover);
}

.card__btn {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.781rem;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: 0.938rem;
  font-weight: 900;
  line-height: 1.65;
  border: none;
  border-radius: 11px;
  box-shadow: 0 20px 20px 0 rgba(56, 42, 225, 0.1903);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.card__btn:hover,
.card__btn:focus-visible {
  background-color: var(--color-accent-hover);
}

.card__cancel {
  display: block;
  margin-top: 1.5rem;
  font-size: 0.938rem;
  font-weight: 900;
  line-height: 1.65;
  color: var(--color-text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.card__cancel:hover,
.card__cancel:focus-visible {
  color: var(--color-black);
}

@media (prefers-reduced-motion: reduce) {
  .card__plan-action,
  .card__btn,
  .card__cancel {
    transition: none;
  }
}

/* --------------- TABLET --------------- */

@media (min-width: 48rem) {
  body {
    background-image: url(images/pattern-background-desktop.svg);
  }

  .card {
    max-width: 28.125rem;
  }

  .card__content {
    padding: 3rem 3rem 2.688rem 3rem;
  }

  .card__title {
    font-size: 1.75rem;
  }

  .card__description {
    font-size: 1rem;
    margin-top: 0.9rem;
  }

  .card__plan-container {
    margin-top: 1rem;
    padding: 1.438rem 1.5rem;
  }

  .card__plan-type {
    font-size: 1rem;
  }

  .card__plan-price {
    font-size: 1rem;
  }

  .card__plan-action {
    font-size: 1rem;
  }

  .card__btn {
    margin-top: 2rem;
    padding: 0.75rem;
    font-size: 1rem;
  }

  .card__cancel {
    font-size: 1rem;
    margin-top: 2rem;
  }
}