/* || Reset */

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

img {
  display: block;
  width: 100%;
  height: auto;
}

/* || Variables */

:root {
  /* Fonts */
  --FF: Arial, sans-serif;
  --FS-S: clamp(0.8rem, 0.8vw, 1rem);
  --FS-M: clamp(1rem, 1vw, 1.2rem);
  --FS-L: clamp(1.2rem, 1.2vw, 1.5rem);

  /* Colors */

  /* Shadows */
  --BS-LIGHT: 0 0 1rem rgba(0, 0, 0, 0.2);
  --BS-MIDIUMN: 0 0 1rem rgba(0, 0, 0, 0.4);
  --BS-DARK: 0 0 1rem rgba(0, 0, 0, 0.6);
}

/* || General */

html {
  font-family: var(--FF);
  font-size: var(--FS-M);
}

body {
}

a:link {
  text-decoration: none;
  color: black;
}

a:visited {
  color: black;
}

/* || Header */

.header {
  position: sticky;
  z-index: 10;
}

.top-nav {
  height: 2.5rem;
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid black;
}

.top-nav__start {
  padding-left: 1rem;
  display: flex;
  align-items: center;
}

.top-nav a {
  text-decoration: none;
  font-size: var(--FS-S);
}

.top-nav__end {
  padding-right: 1rem;
}

.top-nav__ul {
  display: none;
  align-items: center;
  list-style-type: none;
  height: 100%;
}

.top-nav__li {
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 0.8rem;
  transition: background-color 0.2s;
}

.top-nav__li:hover {
  background-color: rgb(211, 211, 211);
}

.top-nav__li a {
  text-decoration: none;
}

/* || Main */

main {
  padding: 2rem;
}

.section {
}

.section-header {
  font-size: var(--FS-L);
}

/* || Card */

.card-container {
  margin: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: 2.5rem;
}

.card {
  border-radius: 0.6rem;
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 4;
  justify-content: center;
  align-content: center;
  gap: 0; /*reset gap because subgrid  inherits gap from parent grid */
  box-shadow: var(--BS-LIGHT);
}

.card__img-container {
  display: flex;
  justify-content: center;
  width: 100%;
  position: relative;
}

.card__img-container::after {
  content: "";
  background-image: linear-gradient(to right, red, yellow);
  height: 4px;
  z-index: 20;
  position: absolute;
  width: 100%;
  bottom: 0;
}

.card__img {
  border-top-left-radius: 0.6rem;
  border-top-right-radius: 0.6rem;
}

.card__header {
  margin-top: 1rem;
  text-align: center;
}

.card__describtion {
  text-align: center;
  margin: 0.5rem;
  font-size: var(--FS-S);
  color: rgb(175, 175, 175);
}

.card__link {
  border: none;
  background-color: white;
  border-radius: 0.2rem;
  margin-bottom: 0.5rem;
  height: 1.5rem;
  cursor: pointer;
  width: 100%;
  position: relative;
  text-align: center;
}

.card__link::after {
  content: "";
  background-color: black;
  height: 2px;
  position: absolute;
  width: 0;
  bottom: 0;
  left: 20%;
  transition: width 0.2s;
}

.card__link:hover::after {
  width: 60%;
}