/* ===== Root ===== */
:root {
  --bg: #fff;
  --shadow: rgb(50, 52, 59);
  --muted: rgb(83, 83, 83);
  --dark: rgb(48, 55, 62);
  --orange: #ef6434;
  --line: rgba(35, 38, 45, 0.14);
  --max: 1290px;
  --border: rgb(239, 102, 55);
  --focus: rgb(239, 104, 57);
  --error: rgb(220, 50, 50);
  --icon: rgb(239, 100, 52);
  --button: rgb(48, 55, 62);
  --button-text: rgb(252, 252, 249);
}

body {
  background: var(--bg);
  color: #000;
}

/* ===== Nav tabs ===== */
.section.nav-tabs {
  width: 100%;
  margin: 1rem 0;
  padding: 1rem 2rem;
}

.nav-tabs .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.filter-tab {
  position: relative;
  border: none;
  padding: 0.5rem 0;
  background: transparent;
  color: inherit;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  cursor: pointer;
  box-sizing: border-box;
  border: none;
  border-bottom: 2px solid transparent;
  transition:
    color 0.5s ease,
    border-color 0.5s ease;
}

.filter-tab:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.filter-tab.active-tab {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

@media (max-width: 992px) {
  .nav-tabs .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* ===== Projects ===== */
.section.projects {
  padding: 1rem 2rem;
  width: 100%;
}

.projects .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.item {
  position: relative;
  display: block;
  overflow: hidden;
  text-decoration: none;
}

.item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition:
    filter 0.35s ease,
    transform 0.35s ease;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity 0.35s ease;
  padding-bottom: 10%;
}

.overlay span {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 500;
  transform: translateY(10px);
  transition: transform 0.35s ease;
}

.item:hover img {
  filter: brightness(0.55);
  transform: scale(1.1);
}

.item:hover .overlay {
  opacity: 1;
}

.item:hover .overlay span {
  transform: translateY(0);
}

.item span {
  font-size: 24px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 90%;
}

@media (max-width: 992px) {
  .projects .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .projects .container {
    grid-template-columns: 1fr;
  }
}

/* ===== Button ===== */
.btn-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 5rem;
}

.text-link {
  color: var(--button-text);
  background-color: var(--button);
}