src/components/HomepageFeatures/FeaturesGrid.module.css

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

.container {
  margin: 6rem auto 4rem;
  max-width: 68.75rem;
  padding: 0 1.5rem;
}

.sectionTitle {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--otava-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.75rem;
}

.sectionSubtitle {
  font-size: 1.25rem;
  color: var(--ifm-color-emphasis-700);
  max-width: 43.75rem;
  margin: 0 auto;
  font-weight: 400;
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 7rem;
}

.card {
  background: var(--ifm-background-surface-color);
  border: 0.0625rem solid var(--ifm-color-emphasis-200);
  border-radius: var(--ifm-card-border-radius);
  padding: 2.25rem 2rem;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  box-shadow: 0 0.25rem 1.5rem rgba(31, 31, 43, 0.06);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  border-radius: var(--ifm-card-border-radius);
  background: radial-gradient(
    50rem circle at var(--x, 0px) var(--y, 0px),
    rgba(63, 138, 134, 0.08),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-0.375rem) scale(1.015);
  border-color: rgba(63, 138, 134, 0.45);
  box-shadow:
    0 0.875rem 2.5rem rgba(35, 43, 43, 0.1),
    0 0 1.5625rem rgba(63, 138, 134, 0.12);
}

.card:hover::before {
  opacity: 1;
}

.iconWrapper {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(63, 138, 134, 0.1);
  color: var(--ifm-color-primary);
  margin-bottom: 1.5rem;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.iconWrapper svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card:hover .iconWrapper {
  background: var(--otava-aurora);
  color: #ffffff;
  transform: scale(1.08) rotate(2deg);
  box-shadow: 0 0 0.9375rem rgba(63, 138, 134, 0.3);
}

.cardTitle {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  color: var(--ifm-heading-color);
  letter-spacing: -0.01em;
}

.cardDesc {
  font-size: 0.96875rem;
  line-height: 1.62;
  color: var(--ifm-color-emphasis-700);
  opacity: 0.9;
  margin: 0;
  font-weight: 400;
  transition: opacity 0.3s ease;
}

.card:hover .cardDesc {
  opacity: 1;
}

@media (max-width: 62.25rem) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
  .container {
    margin: 4rem auto 3rem;
  }
  .sectionTitle {
    font-size: 1.9rem;
  }
}

@media (max-width: 40rem) {
  .grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .container {
    margin: 3rem auto 2rem;
  }
  .sectionTitle {
    font-size: 1.7rem;
  }
  .sectionSubtitle {
    font-size: 1.1rem;
  }
  .card {
    padding: 1.75rem 1.5rem;
  }
}