:root {
  --color-purple: #9b51e0;
  --color-green: #458064;
  --color-orange: #f5a623;
  --color-blue-dark: #160095;
  --color-red: #eb5757;
  --color-beige: #d0b083;
  --color-yellow: #e2d51e;
  --color-blue-medium: #0068bb;
  --color-navy: #2e2a47;
  --text-primary: #0c2737;
  --text-secondary: #434b56;
  --text-muted: #8b8f95;
  --background-light: #ffffff;
  --background-dark: #000000;
  --background-page: #f5f5f7;
}

body {
  margin: 0;
  font-family: 'Inter', 'Lato', sans-serif;
  background-color: var(--background-page);
  color: var(--text-primary);
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  gap: 70px;
  padding: 50px 0;
}

.container {
  max-width: 1341px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-header {
  margin-bottom: 24px;
}

.section-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary) !important;
  margin: 0 0 8px 0;
}

.section-subtitle {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

.card-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1199px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 639px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--background-light);
  border-radius: 24px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  box-sizing: border-box;
}

.card::before {
  content: '';
  position: absolute;
  width: 99px; /* approx 70px * sqrt(2) */
  height: 99px; /* approx 70px * sqrt(2) */
  top: -49.5px;
  right: -49.5px;
  transform: rotate(45deg);
  background-color: var(--card-corner-color, var(--color-blue-dark));
}

.card--purple::before { background-color: var(--card-corner-color, var(--color-purple)); }
.card--green::before { background-color: var(--card-corner-color, var(--color-green)); }
.card--orange::before { background-color: var(--card-corner-color, var(--color-orange)); }
.card--blue-dark::before { background-color: var(--card-corner-color, var(--color-blue-dark)); }
.card--red::before { background-color: var(--card-corner-color, var(--color-red)); }
.card--beige::before { background-color: var(--card-corner-color, var(--color-beige)); }
.card--yellow::before { background-color: var(--card-corner-color, var(--color-yellow)); }
.card--blue-medium::before { background-color: var(--card-corner-color, var(--color-blue-medium)); }
.card--navy::before { background-color: var(--card-corner-color, var(--color-navy)); }

.card-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-icon-wrapper {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 24px;
}
.card-icon-wrapper.bg--purple { background-color: var(--color-purple); }
.card-icon-wrapper.bg--green { background-color: var(--color-green); }
.card-icon-wrapper.bg--orange { background-color: var(--color-orange); }
.card-icon-wrapper.bg--blue-dark { background-color: var(--color-blue-dark); }
.card-icon-wrapper.bg--red { background-color: var(--color-red); }
.card-icon-wrapper.bg--beige { background-color: var(--color-beige); }
.card-icon-wrapper.bg--yellow { background-color: var(--color-yellow); }
.card-icon-wrapper.bg--blue-medium { background-color: var(--color-blue-medium); }
.card-icon-wrapper.bg--navy { background-color: var(--color-navy); }

.card-icon {
  width: 40px;
  height: 40px;
}

.card-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 16px 0;
}

.card-description {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.33;
  color: var(--text-secondary);
  margin: 0;
}

.card-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: auto;
  padding-top: 20px;
}

.card-link .arrow-icon {
  transform: rotate(180deg);
  width: 24px;
  height: 24px;
}

#popular-topics-1,#popular-topics-2 { 
  margin-bottom: 30px;
}