@import url(./css/normalize.css);

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

/* fonts */

@import url("https://fonts.googleapis.com/css2?family=Libre+Caslon+Display&family=Libre+Caslon+Text:ital,wght@0,400;0,700;1,400&display=swap");
/* @import url("https://fonts.googleapis.com/css?family=Karla:400|Spectral:400"); */

html {
  font-size: 100%;
} /*16px*/

:root {
  /* primary */
  --primary-100: hsl(244, 100%, 94%);
  --primary-200: hsl(243, 100%, 87%);
  --primary-300: hsl(243, 100%, 81%);
  --primary-400: rgb(131, 125, 255);
  --primary-500: rgb(100, 92, 255);
  --primary-600: #504acc;
  --primary-700: #3c3799;
  --primary-800: #282566;
  --primary-900: hsl(244, 48%, 14%);
  /* grey */
  --grey--50: #f8fafc;
  --grey--100: #f1f5f9;
  --grey--200: #e2e8f0;
  --grey--300: #cbd5e1;
  --grey--400: #94a3b8;
  --grey--500: #64748b;
  --grey--600: #475569;
  --grey--700: #334155;
  --grey--800: #1e293b;
  --grey--900: #0f172a;

  --black: #222;
  --white: #fff;
  --red-light: #f8d7da;
  --red-dark: #842029;
  --green-light: #d1e7dd;
  --green-dark: #0f5132;

  /* fonts */
  /* 'Libre Caslon Display', serif; */
  --headingFont: "Libre Caslon Text", serif;
  --bodyFont: "Libre Caslon Text", serif;
  --smallText: 0.7em;

  /* misc vars */
  --backgroundColor: var(--grey--50);
  --textColor: var(--grey--900);
  --borderRadius: 0.25rem;
  --letterSpacing: 1px;
  --transition: 0.2s ease-in-out all;
  --max-width: 1200px;
  --fixedWidth: 600px;

  /* box shadow */
  --shadow-1: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-2: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-3: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-4: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);

}

body {
  background: var(--backgroundColor);
  font-family: var(--bodyFont);
  font-weight: 400;
  line-height: 1.75;
  color: var(--textColor);
}

p {
  font-size: 1rem;
  line-height: 1.25rem;
  max-width: 40em;
  hyphens: auto;
  text-align: justify;
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  margin-bottom: 1.38rem;
  font-family: var(--headingFont);
  font-weight: 400;
  line-height: 1.3;
  text-transform: capitalize;
  color: var(--bodyFont);
}

h1 {
  margin-top: 0;
  font-size: 3.052rem;
}

h2 {
  font-size: 2.441rem;
}

h3 {
  font-size: 1.953rem;
}

h4 {
  font-size: 1.563rem;
}

h5 {
  font-size: 1.25rem;
}

small,
.text-small {
  font-size: var(--smallText);
}

a {
  text-decoration: none;
  color: var(--primary-500);
}

/* 
a:active {
} 
*/

a:visited {
  opacity: 1; 
  text-decoration: none;
  transition: none; 
}

ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.img {
  width: 100%;
  display: block;
  object-fit: cover;
}

/* buttons */

.btn {
  cursor: pointer;
  color: var(--white);
  background: var(--primary-500);
  border: transparent;
  border-radius: var(--borderRadius);
  letter-spacing: var(--letterSpacing);
  padding: 0.375rem;
  box-shadow: var(--shadow-1);
  transition: var(--transition);
  text-transform: capitalize;
  display: inline-block;
}

.btn-center {
  display: block;
  width: 10rem;
  margin: 0 auto;
}

.btn-submit {
  margin: 1rem auto;
}

.btn:hover {
  background: var(--primary-700);
  box-shadow: var(--shadow-3);
}

.btn-hipster {
  color: var(--primary-500);
  background: var(--primary-200);
}

.btn-hipster:hover {
  color: var(--primary-200);
  background: var(--primary-700);
}

.btn-block {
  width: 100%;
}

/* alerts */

.alert {
  padding: 0.375rem 0.75rem;
  margin-bottom: 1rem;
  border-color: transparent;
  border-radius: var(--borderRadius);
}

.alert-danger {
  color: var(--red-dark);
  background: var(--red-light);
}

.alert-success {
  color: var(--green-dark);
  background: var(--green-light);
}

/* form */

.form {
  width: 90%;
  max-width: var(--fixedWidth);
  background: var(--white);
  border-radius: var(--borderRadius);
  box-shadow: var(--shadow-2);
  padding: 2rem 2.5rem;
  margin: 3rem auto;
}

.form-label {
  display: block;
  font-size: var(--smallText);
  margin-bottom: 0.5rem;
  text-transform: capitalize;
  letter-spacing: var(--letterSpacing);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.375rem 0.75rem;
  border-radius: var(--borderRadius);
  background: var(--backgroundColor);
  border: 1px solid var(--grey--200);
}

.form-row {
  margin-bottom: 1rem;
}

.form-textarea {
  height: 7rem;
}

.form-link {
  margin: 0 auto;
  text-align: center;
}

.form-label-adjacent {
  margin: 0;
}

.form-adjacent {
  margin: 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-image {
  margin-right: 2.5rem;
  width: 20%;
  max-width: var(--fixedWidth);
}

::placeholder {
  font-family: inherit;
  color: var(--primary-400);
}

.form-alert {
  color: var(--red-dark);
  letter-spacing: var(--letterSpacing);
  text-transform: capitalize;
}

/* alert */

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}

.loading {
  width: 6rem;
  height: 6rem;
  border: 5px solid var(--grey--400);
  border-radius: 50%;
  border-top-color: var(--primary-500);
  animation: spinner 0.6s linear infinite;
}

.loading {
  margin: 0 auto;
}

/* title  */

.title {
  padding-top: 2rem;
  text-align: center;
}

.title-underline {
  background: var(--primary-500);
  width: 7rem;
  height: 0.25rem;
  margin: 0 auto;
  margin-bottom: 1rem;
}

/* custom styles */

/*  hero image */

.hero-center {
  background: url(./assets/images/layout/hero-img.jpg) center/cover no-repeat;
}

.hero-overlay {
  height: 600px;
  background: rgba(131, 125, 255, 0.3);
}

.hero {
  opacity: 0;
  transition: var(--transition);
  transform: translateY(-100%);
}

.hero-explore h1 {
  height: 100px;
  top: 0px;
}

.hero-explore {
  position: relative;
  height: 300px;
  width: 300px;
  top: 20%;
  left: 5%;
  transition: var(--transition);
  text-align: center;
}

.explore-btn {
  position: absolute;
  display: flex;
  place-content: center;
  align-items: center;
  left: 10%;
  bottom: 0px;
  width: 80%;
  height: 50px;
  border: 2px solid var(--primary-500);
  background: var(--white);
  font-size: 1.5rem;
  transition: var(--transition);
  letter-spacing: 3px;
  font-weight: bold;
  text-transform: uppercase;
  opacity: 0.7;
}

.explore-btn:hover {
  opacity: 0.85;
  color: var(--white);
  background: var(--primary-500);
  border: 2px solid var(--white);
}

/* main area  */

.main-container {
  max-width: var(--max-width);
  background: var(--white);
  margin: 0 auto;
  min-height: calc(100vh - 3.5rem - 125px);
}

.main-container-nobackground {
  max-width: var(--max-width);
  background: var(--backgroundColor);
  margin: 0 auto;
  min-height: calc(100vh - 3.5rem - 125px);
}

/* links to charts */

.chart-links {
  display: flex;
  flex-flow: row wrap;
  justify-content: space-around;
  margin: 0 100px;
}

.chart-links li {
  flex: 1 0 300px;
}

.chart-links a {
  text-align: center;
  display: block;
  transition: var(--transition);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.25rem;
  text-transform: capitalize;
}

.chart-links a:hover {
  color: var(--white);
  background: var(--primary-500);
}

.chart-links-misc {
  margin-top: 2rem;
}

/* random book chart */

.title {
  padding-top: 3rem;
  letter-spacing: var(--letterSpacing);
}

.title-underline {
  margin-bottom: 2rem;
}

/* main links */

.main-links {
  display: grid;
  flex-flow: row wrap;
  gap: 2rem;
  padding: 2rem;
}

.main-links li {
  flex-grow: 1;
}

.main-card {
  margin: 0 auto;
  padding: 2rem;
  background: var(--primary-100);
  border-radius: var(--borderRadius);
  transition: var(--transition);
  box-shadow: var(--shadow-1);
  display: flex;
  text-align: center;
  flex-direction: column;

  height: 500px;
  max-width: 400px;
  overflow: hidden;
}

.main-card:hover {
  transform: scale(1.02);
  background: var(--grey--200);
  box-shadow: var(--shadow-3);
}

.card-img {
  padding: 0;
  border-radius: var(--borderRadius);
  aspect-ratio: 1;
  max-height: 250px;
}

.card-info h3 {
  padding-top: 1rem;
}

.card-info p {
  margin: 0;
  padding: 0;
}

/* footer */

/*////////////////////

larger screen

//////////////////////*/

@media screen and (min-width: 768px) {
  .hero-explore {
    height: 250px;
  }

  .hero {
    color: var(--white);
    text-shadow: 3px 3px #0f172a;
    display: block;
    max-width: 300px;
    opacity: 1;
    transform: translateY(0%);
  }

  .main-links {
    grid-template-columns: 1fr 1fr;
  }

  .main-card {
    padding: 0;
    max-width: var(--max-width);
    display: grid;
    align-items: center;
    max-width: 270px;
  }

  .card-info {
    padding: 0 2rem;
  }

  .card-img {
    margin: 0 auto;
    width: 90%;
    height: 90%;
  }
}

@media screen and (min-width: 992px) {
  .main-links li {
    flex: 1 0 260px;
  }
  
  .main-links {
    display: flex;
    grid-template-columns: 1fr 1fr;
  }
  
  .main-card {
    display: flex;
    height: 500px;
    overflow: hidden;
  }

  .card-img {
    padding: 1rem 0;
  }

  .card-info p {
  }
}