@import url('https://fonts.googleapis.com/css?family=Roboto:100,200,300,400,500,600,700,800,900');

/* CSS VARIABLES (Design System)*/
:root {
  /* Colors */
  --clr-bg: hsl(234, 29%, 20%);
  --clr-white: hsl(0, 0%, 100%);
  --clr-dark: hsl(234, 29%, 20%);
  --clr-accent: hsl(4, 100%, 67%);
  --clr-accent-light: hsla(4, 100%, 67%, 0.2);
  --clr-border: grey;

  /* Spacing */
  --space-sm: clamp(0.5rem, 1.5vw, 1rem);
  --space-md: clamp(1rem, 3vw, 2rem);
  --space-lg: clamp(1.5rem, 4vw, 3rem);

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-lg: 1.5rem;
}

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

body {
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  background-color: var(--clr-bg);
}

main {
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
}

.card {
  display: flex;
  flex-direction: column-reverse;
  max-width: 58rem;
  background-color: var(--clr-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: var(--space-md);
}

.card-container {
  padding: var(--space-lg);
  flex: 1;
}

.card-image img {
  width: 100%;
  display: block;
}


h1 {
  color: var(--clr-dark);
  margin-bottom: var(--space-sm);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
}


.benefit-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

li {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  list-style: none;
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-header {
  display: flex;
  justify-content: space-between;
}

label {
  font-weight: bold;
  color: var(--clr-dark);
}

input {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  font: inherit;
}

button {
  height: 3rem;
  border: none;
  border-radius: var(--radius-sm);
  background-color: var(--clr-dark);
  color: var(--clr-white);
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.3s ease;
}

button:hover {
  background-color: var(--clr-accent);
}
input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
}

/*STATES */
.error-message {
  color: red;
  font-size: 0.75rem;
}

.input-error {
  border: 1px solid var(--clr-accent);
  background-color: var(--clr-accent-light);
  color: var(--clr-accent);
}

.hidden {
  display: none;
}

/*SUCCESS MESSAGE */
.success-message {
  display: none;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 30rem;
  padding: var(--space-lg);
  background-color: var(--clr-white);
  border-radius: var(--radius-lg);

  opacity: 0;
  transition: opacity 0.3s ease;
}

.success-message.show {
  display: flex;
  opacity: 1;
}

.success-message h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--clr-dark);
  line-height: 1;
}

.success-message img {
  width: clamp(3rem, 10vw, 4rem);
}

/*UTILITIES */
.user-email {
  font-weight: bold;
}
/*  PREFER REDUCED MOTION */

@media (prefers-reduced-motion: reduce) {
  button,
    .success-message {
    transition: none;
  }
}

/* DESKTOP */
@media (min-width: 48rem) {
  .card {
    flex-direction: row;
    align-items: stretch;
  }

  .card-image {
    flex: 1;
  }

  .card-image img {
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-sm);
  }

  .card-container {
    flex: 1;
    padding: clamp(2rem, 5vw, 3rem);
  }
}