/* ============================================================
   SHARED VARS
   ============================================================ */
:root {
  --pj-blue: #00349d;
  --pj-blue-dk: #1e3a8a;
  --pj-red: #dc2626;
  --pj-red-dk: #b91c1c;
  --pj-t: 150ms ease;
  --pj-t-slow: 300ms ease;
}

/* ============================================================
   HERO
   ============================================================ */
.proj-hero {
  position: relative;
  padding-block: 4rem;
  background: linear-gradient(
    to bottom right,
    var(--pj-blue),
    #1d4ed8,
    #111827
  );
  color: #ffffff;
  overflow: hidden;
  text-align: center;
}
@media (min-width: 1024px) {
  .proj-hero {
    padding-block: 6rem;
  }
}

.proj-hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGRlZnM+PHBhdHRlcm4gaWQ9ImdyaWQiIHdpZHRoPSI2MCIgaGVpZ2h0PSI2MCIgcGF0dGVyblVuaXRzPSJ1c2VyU3BhY2VPblVzZSI+PHBhdGggZD0iTSAxMCAwIEwgMCAwIDAgMTAiIGZpbGw9Im5vbmUiIHN0cm9rZT0id2hpdGUiIHN0cm9rZS13aWR0aD0iMSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNncmlkKSIvPjwvc3ZnPg==");
  pointer-events: none;
}

.proj-hero__container {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .proj-hero__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .proj-hero__container {
    padding-inline: 2rem;
  }
}

.proj-hero__badge {
  display: inline-block;
  background-color: rgb(255 255 255 / 0.1);
  backdrop-filter: blur(24px);
  border: 1px solid rgb(255 255 255 / 0.2);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}
.proj-hero__badge span {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #ffffff;
}

.proj-hero__heading {
  font-size: 1.875rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
}
@media (min-width: 640px) {
  .proj-hero__heading {
    font-size: 2.25rem;
  }
}
@media (min-width: 1024px) {
  .proj-hero__heading {
    font-size: 3.75rem;
  }
}

.proj-hero__subheading {
  font-size: 1.125rem;
  color: rgb(255 255 255 / 0.9);
  max-width: 48rem;
  margin: 0 auto 2rem;
  line-height: 1.625;
}
@media (min-width: 640px) {
  .proj-hero__subheading {
    font-size: 1.25rem;
  }
}

.proj-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: center;
}

.proj-hero__stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgb(255 255 255 / 0.1);
  backdrop-filter: blur(24px);
  border: 1px solid rgb(255 255 255 / 0.2);
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: #ffffff;
}

.proj-hero__stat-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.proj-hero__stat-icon--yellow {
  color: #facc15;
}
.proj-hero__stat-icon--green {
  color: #4ade80;
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.proj-filter {
  padding-block: 2rem;
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.08);
}

.proj-filter__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .proj-filter__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .proj-filter__container {
    padding-inline: 2rem;
  }
}

.proj-filter__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.proj-filter__btn {
  padding: 0.625rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  background-color: #f3f4f6;
  color: #374151;
  transition:
    background-color var(--pj-t),
    color var(--pj-t),
    box-shadow var(--pj-t);
}
.proj-filter__btn:hover {
  background-color: #e5e7eb;
}
.proj-filter__btn--active {
  background-color: var(--pj-blue);
  color: #ffffff;
  box-shadow: 0 4px 6px -1px rgb(0 52 157 / 0.3);
}

/* ============================================================
   PROJECTS GRID
   ============================================================ */
.proj-grid {
  padding-block: 3rem;
  background: linear-gradient(to bottom, #f9fafb, #ffffff);
}
@media (min-width: 1024px) {
  .proj-grid {
    padding-block: 5rem;
  }
}

.proj-grid__container {
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .proj-grid__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .proj-grid__container {
    padding-inline: 2rem;
  }
}

.proj-grid__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .proj-grid__cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .proj-grid__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.proj-grid__card {
  background-color: #ffffff;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.08);
  transition:
    box-shadow 500ms ease,
    transform 500ms ease;
}
.proj-grid__card:hover {
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.18);
  transform: translateY(-8px);
}
.proj-grid__card:hover .proj-grid__card-img {
  transform: scale(1.1);
}

.proj-grid__card--hidden {
  display: none;
}

.proj-grid__card-media {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.proj-grid__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 700ms ease;
}

.proj-grid__card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgb(0 0 0 / 0.8),
    rgb(0 0 0 / 0.4),
    transparent
  );
}

.proj-grid__card-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--pj-red);
  color: #ffffff;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 1;
}

.proj-grid__card-info {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 1;
}

.proj-grid__card-location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgb(255 255 255 / 0.9);
  margin-bottom: 0.5rem;
}
.proj-grid__loc-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.proj-grid__card-location span {
  font-size: 0.875rem;
  font-weight: 600;
}

.proj-grid__card-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.25;
  margin: 0;
}

.proj-grid__card-body {
  padding: 1.25rem;
}

.proj-grid__card-desc {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.625;
  margin: 0;
}

/* ============================================================
   CTA
   ============================================================ */
.proj-cta {
  padding-block: 4rem;
  background: linear-gradient(
    to bottom right,
    var(--pj-blue),
    var(--pj-blue-dk)
  );
  color: #ffffff;
  text-align: center;
}
@media (min-width: 1024px) {
  .proj-cta {
    padding-block: 5rem;
  }
}

.proj-cta__container {
  max-width: 56rem;
  margin: 0 auto;
  padding-inline: 1rem;
}
@media (min-width: 640px) {
  .proj-cta__container {
    padding-inline: 1.5rem;
  }
}
@media (min-width: 1024px) {
  .proj-cta__container {
    padding-inline: 2rem;
  }
}

.proj-cta__icon {
  width: 48px;
  height: 48px;
  color: #facc15;
  margin: 0 auto 1rem;
  display: block;
}

.proj-cta__heading {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
}
@media (min-width: 1024px) {
  .proj-cta__heading {
    font-size: 2.25rem;
  }
}

.proj-cta__subheading {
  font-size: 1.125rem;
  color: rgb(255 255 255 / 0.9);
  max-width: 42rem;
  margin: 0 auto 2rem;
  line-height: 1.625;
}

.proj-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}
@media (min-width: 640px) {
  .proj-cta__actions {
    flex-direction: row;
  }
}

.proj-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition:
    background-color var(--pj-t),
    color var(--pj-t),
    box-shadow var(--pj-t),
    transform var(--pj-t);
}
.proj-cta__btn:hover {
  transform: translateY(-2px);
}

.proj-cta__btn--red {
  background-color: var(--pj-red);
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2);
}
.proj-cta__btn--red:hover {
  background-color: var(--pj-red-dk);
  box-shadow: 0 20px 25px -5px rgb(220 38 38 / 0.5);
}
.proj-cta__btn--red:hover .proj-cta__btn-icon:not(.proj-cta__btn-icon--left) {
  transform: translateX(4px);
}

.proj-cta__btn--white {
  background-color: #ffffff;
  color: var(--pj-blue);
}
.proj-cta__btn--white:hover {
  background-color: #f3f4f6;
}

.proj-cta__btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--pj-t);
}
.proj-cta__btn-icon:not(.proj-cta__btn-icon--left) {
  margin-left: 0.5rem;
}
.proj-cta__btn-icon--left {
  margin-right: 0.5rem;
}