:root {
  --header-size: 1.75rem;
  --filter-style: 1px solid #e2e8f0;
  --filter-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --article-bg: rgba(200, 210, 210, 0.4);
  --light-article-bg: rgba(48, 99, 106, 0.7);
  --article-border-radius: 6px;
  --article-title-color: hsl(30, 60%, 88%);
  --article-text-color: #ffffff;
  --reading-time-color: #cee6e9;
  --icon-color: #244a50;
}


body.light-mode .article-card {
  background-color: var(--light-article-bg);
}

body.light-mode .article-header a {
  color: #ffffff;
}

body.light-mode .article-category {
    color: #B4F701;
}

body.light-mode .icon-circle {
  background-color: rgb(255 255 255 / 50%);
}

/******************************* PAGE HEADER ****************************/

.becurious-header {
  text-transform: uppercase;
  font-size: var(--header-size);
  font-weight: 700;
  line-height: 1.2;
}

.becurious-text {
  font-size: var(--font-m);
  font-weight: 300;
  line-height: 1.5;
  padding: var(--padding-m) 0;
}

/******************************* CATEGORY FILTER ****************************/

.filter-wrapper {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: column;
  padding: var(--padding-m) 0;
}

.filter-label {
  text-align: center;
  font-weight: 300;
  font-size: var(--font-xs);
  letter-spacing: 1px;
  padding-bottom: var(--padding-s);
}

.filter-select {
  font-family: var(--fontStyle);
  font-size: var(--font-s);
  border: var(--filter-style);
  border-radius: 8px;
  cursor: pointer;
  box-shadow: var(--filter-shadow);
  width: 250px;
  text-align: left;
  padding: 12px;
  margin: 0 auto;

  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("/static/articles/img/arrow_filter.svg");
  background-repeat: no-repeat;
  background-position: right 15px center;
  background-size: 22px;
}

.filter-select {
  transition: box-shadow 0.2s ease;
}

.filter-select:hover {
  box-shadow: 0 0 0 3px #b5f70174;
}

.articles-grid {
  padding: var(--padding-m) 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.article-card {
  height: 310px;
  background-color: var(--article-bg);
  border-radius: var(--article-border-radius);
  display: flex;
  flex-direction: column;
}

.article-header {
  padding: var(--padding-s);
}

.article-header:hover {
  cursor: pointer;
  opacity: 0.8;
}

.article-header a {
  text-decoration: none;
  color: var(--article-title-color);
  font-weight: 400;
  font-size: var(--font-sm);
  line-height: 1.3;
}

.article-teaser {
  padding: 0 var(--padding-s);
  color: var(--article-text-color);
  font-size: var(--font-s);
  font-weight: 300;
  line-height: 1.5;
  display: block;
  overflow: hidden;
  height: 90px;
  -webkit-mask-image: linear-gradient(
    to bottom,
    black 0%,
    black 70%,
    transparent 100%
  );
  mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
  position: relative;
}

.article-footer {
  margin-top: auto;
  line-height: 1.5;
}

.reading-time {
  color: var(--reading-time-color);
  font-size: var(--font-s);
  padding: 0 var(--padding-s);
}

.article-category {
  color: var(--accent-lime);
  font-size: var(--font-s);
  padding: 0 var(--padding-s);
}

.article-icons {
  display: flex;
  gap: 0.5rem;
  padding: 0 var(--padding-s) var(--padding-s) var(--padding-s);
}

.article-icons a {
  text-decoration: none;
}

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(200, 210, 210, 0.4);
  backdrop-filter: blur(6px);
  margin-top: 8px;
  line-height: 0;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.icon-circle:hover {
  cursor: pointer;
  background: rgba(200, 210, 210, 0.577);
  transform: translateY(-2px);
}

.bi {
  font-size: 1.75rem;
  color: var(--icon-color);
  display: block;
  line-height: 1;
}

.article-fade {
  opacity: 0;
  transform: translateY(24px);

  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;

  will-change: opacity, transform;
}

.article-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

/******************************* MEDIA QUERIES ****************************/

/* Tablet */

@media (min-width: 768px) {
  .articles-grid {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .article-card {
    flex: 0 0 calc((100% - 3rem) / 3);
  }

  .becurious-header {
    font-size: 2.2rem;
  }
}

@media (min-width: 1440px) {
  #becurious-content {
    margin: 0 auto;
    max-width: 1440px;
  }
}