/*=======================
 * CUSTOM PROPERTIES
 *========================**/

:root {
  /*colors */
  --clr-grey: 0 0% 58%;

  --clr-white: 0 100% 100%;

  --clr-blue-800: 234 29% 20%;
  --clr-blue-700: 235 18% 26%;

  --clr-red: 4 100% 67%;

  --clr-gradient-orange: 15 100% 61%;
  --clr-gradient-red: 346 100% 66%;

  /* font-family */
  --ff-sans: "Roboto", sans-serif;

  /* font size */
  --fs-500: 2.5rem; /* 40-56px*/
  --fs-200: 1rem; /*16x*/
  --fs-100: 0.8125rem; /*12px*/
}

@media (min-width: 37.5em) {
  :root {
    --fs-500: 3.5rem; /*56px*/
  }
}

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

* {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--ff-sans);
  font-size: var(--fs-200);
  font-weight: normal;
  color: hsl(var(--clr-blue-800));

  /* improve text rendering on mac */
  -webkit-font-smoothing: antialiased;

  background-color: hsl(var(--clr-blue-700));
  line-height: 1.5;
  /* min-height: 100vh; */
}

img {
  /* https://www.youtube.com/watch?v=345V2MU3E_w */
  font-style: italic;
  display: block;
  max-width: 100%;
  height: auto;
}

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

li {
  list-style-type: none;
}

button {
  display: inline;
  all: unset;
  cursor: pointer;
}

/*=======================
 * COMPONENTS
 *========================**/

.newsletter {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: hsl(var(--clr-white));
}

.newsletter__illustration {
  min-width: 100%;
}

/* * NOTE: MAIN CONTAINER */
.newsletter__content-container {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  padding: 2.5rem 1.5rem;
  flex-grow: 1;
  gap: 2.5rem;
}

/* * INFO */
.newsletter__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.newsletter__title {
  font-size: var(--fs-500);
  color: hsl(var(--clr-blue-800));
}

.newsletter__feature {
  display: flex;
  align-items: start;
  gap: 1rem;
}

.newsletter__feature:not(:last-of-type) {
  margin-bottom: 0.5rem;
}

/* * FORM */
.newsletter__form {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 1.5rem;
}

.newsletter__input-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.newsletter__label {
  font-size: var(--fs-100);
  font-weight: bold;
}

.newsletter__error {
  font-size: var(--fs-100);
  text-align: end;
  color: hsl(var(--clr-red));
  transition: opacity 0.2s ease-in-out;
}

.newsletter__input {
  grid-column: span 2;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid hsl(var(--clr-grey));
}

.btn {
  text-align: center;
  font-weight: bold;
  padding: 1rem;
  border-radius: 0.5rem;
  color: hsl(var(--clr-white));
  background-color: hsl(var(--clr-blue-800));

  transition: background-image 0.2s ease-in-out, transform 0.15s ease-in-out,
    box-shadow 0.15s ease-in-out;
}

.open-dialog__button:hover {
  background-image: linear-gradient(
    to right,
    hsl(var(--clr-gradient-orange)),
    hsl(var(--clr-gradient-red))
  );
  transform: translateY(-3px);
  box-shadow: 0 0.5rem 1rem hsl(var(--clr-gradient-red) / 0.8);
}

.open-dialog__button:active {
  transform: translateY(1px);
  box-shadow: 0 0.3rem 0.7rem hsl(var(--clr-gradient-red) / 0.6);
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(5px);
  }
  75% {
    transform: translateX(-5px);
  }
  100% {
    transform: translateX(0);
  }
}

.shake {
  animation: shake 0.4s;
}

.hidden {
  opacity: 0;
  pointer-events: none;
}

.invalid {
  border: 1.5px solid hsl(var(--clr-red));
  background-color: hsl(var(--clr-red) / 0.7);
  transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

/* NOTE: DIALOG */
.success-dialog {
  min-width: 100vw;
  min-height: 100vh;
  color: hsl(var(--clr-blue-800));
  display: flex;
  justify-content: center;
  align-items: flex-end;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  border: none;
}

.success-dialog__content {
  margin: 0 2rem 4.375rem 2rem;
  height: 40rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: hsl(var(--clr-white));
}

.success-dialog__header {
  display: grid;
  row-gap: 2rem;
}

.success-dialog.hidden {
  opacity: 0;
  visibility: hidden;
  transform: scale(0.9);
  position: fixed;
  top: 0;
  left: 0;
  transition: opacity 0.2s ease-out, transform 0.2s ease-out,
    visibility 0.2s ease-out;
}

.success-dialog__header {
  display: grid;
  row-gap: 2rem;
}

.success-dialog__title {
  font-size: var(--fs-500);
}

.success-dialog__icon {
  height: 4rem;
}

/* *min 600px tab-port */
@media (min-width: 37.5em) {
  body {
    background-color: hsl(var(--clr-blue-700));
  }

  main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
  }

  .newsletter {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    width: 100%;
    margin: min(10rem, max(1rem, 0rem + 12vw))
      min(12rem, max(1.5rem, 0.5rem + 12vw));
    overflow: hidden;
    padding: 2.5rem;
    min-height: auto; /*reverts to the content's height*/
    border-radius: 2.5rem;
  }

  .newsletter__content-container {
    padding: 0;
    gap: 1.5rem;
  }

  .newsletter__illustration {
    border-radius: calc(1rem + 1.75vw);
  }

  .newsletter__form {
    gap: 1rem;
  }

  .success-dialog {
    background-color: hsl(var(--clr-blue-700));
    align-items: center;
  }

  .success-dialog__content {
    width: 31.5rem;
    height: auto;
    padding: 3.725rem 4rem;
    border-radius: 2.25rem;
    margin: 0;
    gap: 2rem;
  }

  .success-dialog__title {
    line-height: 1;
  }
}

/* *min 900px tab-land */
/* @media (min-width: 56.25em) {
} */

/* min 1200px desktop */
@media (min-width: 75em) {
  .newsletter {
    flex-direction: row;
    gap: 4rem;
    border-radius: 2.25rem;
    overflow: hidden;
    padding: 2rem;
    min-height: auto; /*reverts to the content's height*/
    /* width: auto; */
    max-width: calc(56.5rem + 4vw);
  }

  .newsletter__illustration-box {
    order: 2;
  }

  .newsletter__content-container {
    order: 1;
    justify-content: center;
  }

  .newsletter__illustration {
    border-radius: calc(1rem + 0.5vw);
  }
}

/* * min 1800px big-deskyop */
/* @media (min-width: 112.5em) {
} */

/* NOTE: pulsating button */
@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 hsl(var(--clr-gradient-red) / 0.6);
  }
  70% {
    transform: scale(1.02);
    box-shadow: 0 0 0 6px rgba(0, 123, 255, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
  }
}

.highlight-button {
  animation: pulse 1.5s infinite;
}

.highlight-button:hover {
  background-image: linear-gradient(
    to right,
    hsl(var(--clr-gradient-orange)),
    hsl(var(--clr-gradient-red))
  );
}