@font-face {
  font-family: "Roboto";
  src: local("Roboto Regular"), url("/assets/fonts/Roboto-Regular.ttf");
  font-weight: 400;
}

@font-face {
  font-family: "Roboto";
  src: local("Roboto Bold"), url("/assets/fonts/Roboto-Bold.ttf");
  font-weight: 700;
}

:root {
  --clr-neutral-800: hsl(234, 29%, 20%);
  --clr-neutral-700: hsl(235, 18%, 26%);
  --clr-neutral-200: hsl(231, 7%, 60%);
  --clr-neutral-100: hsl(0, 0%, 100%);

  --clr-accent-400: hsl(4, 100%, 67%);
  --clr-accent-500: hsl(347, 100%, 66%);

  --ff-base: Roboto, sans-serif;

  --fw-regular: 400;
  --fw-bold: 700;

  --fs-300: 0.825rem;
  --fs-400: 1rem;
  --fs-900: 2.5rem;
}

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

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--ff-base);
  font-size: var(--fs-400);
  font-weight: var(--fw-regular);
  color: var(--clr-neutral-800);
  line-height: 1.5;

  min-height: 100vh;
  display: grid;
  place-content: center;
  background-color: var(--clr-neutral-800);
}

input {
  padding: 1rem;
  border-radius: 0.5rem;
  font: inherit;
  font-size: var(--fs-400);
  font-weight: var(--fw-regular);
  border: 1px solid var(--clr-neutral-200);
}

input::placeholder {
  color: var(--clr-neutral-200);
}

input:not(:focus):invalid {
  color: var(--clr-accent-400);
  border: 1px solid var(--clr-accent-400);
}
input:not(:focus):invalid {
  color: var(--clr-accent-400);
  border: 1px solid var(--clr-accent-400);
}

.form-group {
  display: grid;
  gap: 0.5rem;
  font-size: var(--fs-300);
  font-weight: var(--fw-bold);
}

.form-group > .error {
  text-align: end;
  color: var(--clr-accent-400);
  display: none;
}

.form-group:has(:not(:focus):invalid) > .error {
  display: block;
}

.form-group.with-error-field {
  grid-template-columns: 1fr 1fr;
}
.form-group.with-error-field > input {
  grid-column: 1 / -1;
}

.button {
  position: relative;
  background: var(--clr-neutral-800);
  color: var(--clr-neutral-100);
  font: inherit;
  font-weight: var(--fw-bold);
  border: 0;
  padding: 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

.button:hover,
.button:focus-visible {
  background: linear-gradient(
    -90deg,
    var(--clr-accent-400),
    var(--clr-accent-500)
  );
}

form {
  isolation: isolate;
}

.button:hover::after,
.button:focus-visible::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: inherit;
  border-radius: inherit;
  translate: 0 1.5rem;
  filter: blur(1rem);
  opacity: 0.5;
}

.button:active {
  transform: translateY(0.1rem);
}

.checkmark-list {
  display: grid;
  gap: 0.625rem;
}

.checkmark-list li {
  display: grid;
  grid-template-columns: 2.5rem auto;
}

.checkmark-list li::before {
  content: url("/assets/images/icon-list.svg");
}

.newsletter-cta {
  max-width: 850px;
  border-radius: 1rem;
  background-color: var(--clr-neutral-100);
}

.newsletter-cta img {
  margin-inline: auto;
}

.newsletter-cta > .content {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
}

.newsletter-cta .title {
  font-size: var(--fs-900);
  font-weight: var(--fw-bold);
}

.newsletter-cta form {
  margin-block-start: 1.25rem;
  display: grid;
  gap: 1.5rem;
}

.success {
  background-color: var(--clr-neutral-100);
  display: flex;
  flex-direction: column;
  height: 100vh;
  justify-content: space-between;
  padding-block: 3rem;
  padding-inline: 2rem;
}

.success-info {
  font-size: inherit;
  padding-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.success-info > img {
  width: 4rem;
}
.success-info > h1 {
  line-height: 2rem;
}

@media (min-width: 650px) {
  .newsletter-cta {
    display: grid;
    align-items: center;
    grid-template-columns: 1fr 0.75fr;
    padding: 2rem;
    margin-inline: 1rem;
    border-radius: 1rem;
  }

  .newsletter-cta > .content {
    grid-column: 1;
    grid-row: 1;
  }

  .success {
    width: 31rem;
    max-height: 31rem;
    border-radius: 0.5rem;
    padding: 4rem;
    justify-content: flex-start;
    gap: 3rem;
  }

  .success-info {
    margin-top: -4rem;
  }

  .success-info > .title {
    font-size: 3rem;
    font-weight: var(--fw-bold);
    line-height: 3rem;
  }
}

.hidden {
  display: none;
}

.visible {
  display: block;
}