.projects-section {
  padding: 200px 0 180px;
}

.projects-head {
  margin-bottom: 60px;
}

.projects-title {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 60px;
  letter-spacing: -1.2px;
  line-height: 61.5px;
  text-transform: uppercase;
  margin: 0 0 20px;
}

.projects-title span {
  color: var(--color-primary);
}

.projects-intro {
  max-width: 560px;
  color: var(--color-default);
  font-size: 18px;
  margin: 0;
}

.projects-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 60px;
}

.projects-filter__btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 40px;
  color: var(--color-white);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 16px;
  padding: 10px 26px;
  transition: all 0.3s ease;
}

.projects-filter__btn:hover,
.projects-filter__btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-heading);
}

.projects-grid {
  margin: 0 -15px;
}

.projects-sizer,
.projects-item {
  width: 33.333%;
}

.projects-item {
  float: left;
  padding: 0 15px;
  margin-bottom: 45px;
}

.projects-card {
  display: block;
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 6px;
  color: var(--color-white);
  background: var(--color-dark);
}

.projects-card__media,
.projects-card__media img {
  display: block;
  width: 100%;
  height: 100%;
}

.projects-card__media img {
  object-fit: cover;
  transition: transform 0.6s ease;
}

.projects-card:hover .projects-card__media img,
.projects-card:focus-visible .projects-card__media img {
  transform: scale(1.08);
}

.projects-card__cat {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: var(--color-primary);
  color: var(--color-heading);
  border-radius: 30px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  text-transform: uppercase;
}

.projects-card__arrow {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-heading);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.projects-card:hover .projects-card__arrow,
.projects-card:focus-visible .projects-card__arrow {
  transform: rotate(45deg) scale(1.08);
  background: var(--color-white);
}

.projects-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.5) 45%, rgba(15, 23, 42, 0) 70%);
  transition: background-color 0.4s ease;
}

.projects-card:hover .projects-card__overlay,
.projects-card:focus-visible .projects-card__overlay {
  background: rgba(15, 23, 42, 0.94);
}

.projects-card__title {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.25;
  margin: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.projects-card:hover .projects-card__title,
.projects-card:focus-visible .projects-card__title {
  opacity: 0;
  transform: translateY(-8px);
}

.projects-card__desc {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 56px 22px 22px;
  overflow-y: auto;
  color: var(--color-white);
  font-size: 15px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}

.projects-card:hover .projects-card__desc,
.projects-card:focus-visible .projects-card__desc {
  opacity: 1;
  transform: none;
}

@media (hover: none) {
  .projects-card:hover .projects-card__arrow { transform: none; background: var(--color-primary); }
  .projects-card:hover .projects-card__overlay { background: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.5) 45%, rgba(15, 23, 42, 0) 70%); }
  .projects-card:hover .projects-card__title { opacity: 1; transform: none; }
  .projects-card:hover .projects-card__desc { opacity: 0; }
  .projects-card:hover .projects-card__media img { transform: none; }
}

@media (max-width: 991px) {
  .projects-section { padding: 150px 0 100px; }
  .projects-title { font-size: 40px; line-height: 1.1; }
}

@media (max-width: 991px) {
  .projects-sizer,
  .projects-item { width: 50%; }
}

@media (max-width: 575px) {
  .projects-sizer,
  .projects-item { width: 100%; }
  .projects-item { margin-bottom: 35px; }
}

/* project details */
.pd-hero { padding: 190px 0 50px; }

.pd-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-default);
  font-size: 15px;
  margin-bottom: 30px;
  transition: color 0.3s ease;
}
.pd-back:hover { color: var(--color-primary); }

.pd-cat {
  display: block;
  width: fit-content;
  background: var(--color-primary);
  color: var(--color-heading);
  border-radius: 30px;
  font-size: 13px;
  letter-spacing: 0.5px;
  padding: 5px 16px;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.pd-title {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 60px;
  letter-spacing: -1.2px;
  line-height: 61.5px;
  text-transform: uppercase;
  margin: 0 0 20px;
}

.pd-tagline {
  max-width: 760px;
  color: var(--color-default);
  font-size: 20px;
  line-height: 1.5;
  margin: 0;
}

.pd-cover { padding: 30px 0 50px; }
.pd-cover__img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}
.pd-cover__img img { width: 100%; height: 100%; object-fit: contain; display: block; }

.pd-overview p {
  color: var(--color-default);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.7;
  margin: 0;
}

.pd-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.pd-meta span {
  display: block;
  color: var(--color-default);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.pd-meta strong {
  color: var(--color-white);
  font-weight: 500;
  font-size: 18px;
}

.pd-body { padding: 20px 0 40px; }
.pd-row { margin-top: 60px; }
.pd-body .pd-row:first-child { margin-top: 0; }
.pd-heading {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 20px;
}
.pd-heading--lg {
  font-size: 48px;
  text-transform: uppercase;
  margin-bottom: 45px;
}
.pd-heading span, .pd-cta__title span { color: var(--color-primary); }
.pd-body p {
  color: var(--color-default);
  font-size: 18px;
  line-height: 1.7;
  margin: 0;
}
.pd-body p.pd-lead { font-weight: 400; }

.pd-features { padding: 70px 0 30px; }
.pd-feature {
  height: 100%;
  margin-bottom: 30px;
  padding: 34px 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.pd-feature:hover { border-color: var(--color-primary); transform: translateY(-4px); }
.pd-feature__num {
  display: block;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 22px;
  margin-bottom: 16px;
}
.pd-feature h4 {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 24px;
  margin: 0 0 12px;
}
.pd-feature p { color: var(--color-default); font-size: 16px; line-height: 1.6; margin: 0; }

.pd-results { padding: 40px 0 70px; }
.pd-result {
  margin-left: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 170px;
  text-align: center;
  padding: 40px 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 24px;
}
.pd-result strong {
  display: block;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 36px;
  line-height: 1.1;
  margin-bottom: 8px;
  white-space: nowrap;
}
.pd-result span { color: var(--color-white); font-size: 16px; }

.pd-nav { padding-bottom: 80px; }
.pd-nav__wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 36px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.pd-nav__link span {
  display: block;
  color: var(--color-default);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.pd-nav__link strong {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 400;
  transition: color 0.3s ease;
}
.pd-nav__link:hover strong { color: var(--color-primary); }
.pd-nav__link--next { text-align: right; }

.pd-cta { padding: 0 0 150px; text-align: center; }
.pd-cta__title {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 48px;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.pd-cta p { color: var(--color-default); font-size: 18px; margin: 0 0 30px; }

@media (max-width: 991px) {
  .pd-hero { padding: 150px 0 30px; }
  .pd-title { font-size: 40px; line-height: 1.1; }
  .pd-meta { grid-template-columns: repeat(2, 1fr); }
  .pd-overview { margin-top: 30px; }
  .pd-row { margin-top: 40px; }
  .pd-heading--lg, .pd-cta__title { font-size: 34px; }
  .pd-result strong { font-size: 28px; }
}

@media (max-width: 575px) {
  .pd-nav__wrap { flex-direction: column; }
  .pd-nav__link--next { text-align: left; }
  .pd-nav__link strong { font-size: 22px; }
}