/* ==========================================================================
   Arbuda Engineering — Portfolio Masonry Showcase Styles
   Layout: 5-Column Responsive Dynamic Grid Architecture
   ========================================================================== */

@import url('https://fonts.googleapis.com/css?family=Montserrat:400,700');

.mega-projects-section {
  position: relative;
  padding: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  font-family: 'Montserrat', sans-serif;
  color: #262625;
}

.mega-projects-section>.inner {
  padding: 68px 0 0 0;
  background: #f5f5f5;
}

.mega-projects-container {
  max-width: 1170px;
  margin-right: auto;
  margin-left: auto;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

.mega-projects-container::before,
.mega-projects-container::after {
  content: " ";
  display: table;
}

.mega-projects-container::after {
  clear: both;
}

/* Header & Title */
.mega-projects-title {
  float: left;
  font-family: 'Montserrat', sans-serif;
  font-size: 30px;
  line-height: 30px;
  margin-top: 0;
  margin-bottom: 30px;
  font-weight: 700;
  text-transform: uppercase;
  color: #262625;
  letter-spacing: normal;
}

.mega-projects-title span {
  background: #fed204;
  color: #262625;
  font-size: 13px;
  line-height: 21px;
  padding: 0 8px;
  display: table;
  font-weight: 400;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: normal;
}

/* Filter Navigation */
.mega-portfolio-filters {
  margin-top: 32px;
  float: right;
  display: flex;
  align-items: center;
}

.mega-portfolio-filters button {
  font-size: 13px;
  line-height: 21px;
  font-weight: 400;
  font-family: 'Montserrat', sans-serif;
  color: #262625;
  background: none;
  border: none;
  text-transform: uppercase;
  -webkit-transition: .25s;
  -moz-transition: .25s;
  -o-transition: .25s;
  -ms-transition: .25s;
  transition: .25s;
  padding: 0 10px;
  outline: none !important;
  margin-left: 30px;
  cursor: pointer;
  border-radius: 0;
}

.mega-portfolio-filters button:hover,
.mega-portfolio-filters button.active {
  background: #fed204;
  color: #262625;
}

/* Portfolio Masonry Container (1:1 5-Column Geometry) */
.mega-portfolio {
  position: relative;
  width: 100%;
  clear: both;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: 254px;
}

/* Grid Items */
.mega-portfolio .item {
  position: relative;
  height: 254px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-sizing: border-box;
  overflow: hidden;
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.mega-portfolio .item.large {
  grid-column: span 2;
  grid-row: span 2;
  height: 508px;
}

/* Filter Animation */
.mega-portfolio .item.is-filtered-out {
  display: none;
  opacity: 0;
  transform: scale(0.92);
}

/* Hover Overlay */
.mega-portfolio .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 146, 235, .94);
  -webkit-transition: .25s;
  -moz-transition: .25s;
  -o-transition: .25s;
  -ms-transition: .25s;
  transition: .25s;
  opacity: 0;
  visibility: hidden;
}

.mega-portfolio .content-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  -webkit-transition: .25s;
  -moz-transition: .25s;
  -o-transition: .25s;
  -ms-transition: .25s;
  transition: .25s;
  opacity: 0;
  visibility: hidden;
}

.mega-portfolio .item:hover .overlay,
.mega-portfolio .item:hover .content-wrapper {
  opacity: 1;
  visibility: visible;
}

/* Hover Content */
.mega-portfolio .content {
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 21px;
  text-align: center;
  text-transform: uppercase;
  position: relative;
  top: 50%;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  transform: translate(0, -50%);
  padding: 0 15px;
}

.mega-portfolio .content span.title {
  display: block;
  margin-bottom: 16px;
  color: #ffffff;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: normal;
}

/* Button in Card */
.mega-portfolio .content .button {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 34px;
  padding: 0 14px;
  display: inline-block;
  text-transform: uppercase;
  -webkit-transition: .25s;
  -ms-transition: .25s;
  -moz-transition: .25s;
  -o-transition: .25s;
  transition: .25s;
  position: relative;
  outline: none !important;
  border: none;
  background: #fff;
  color: #262625;
  text-decoration: none;
  letter-spacing: normal;
}

.mega-portfolio .content .button:hover {
  opacity: 1;
  background: #fed204;
  color: #262625;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints (1:1 with Reference)
   -------------------------------------------------------------------------- */
@media all and (max-width: 1200px) {
  .mega-projects-container {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media all and (max-width: 992px) {
  .mega-portfolio {
    grid-template-columns: repeat(3, 1fr);
  }

  .mega-portfolio .item {
    height: 254px;
  }

  .mega-portfolio .item.large {
    grid-column: span 2;
    grid-row: span 2;
    height: 508px;
  }
}

@media all and (max-width: 768px) {
  .mega-projects-section>.inner {
    padding: 48px 0 0 0;
  }

  .mega-projects-title {
    float: none;
    margin-bottom: 15px;
  }

  .mega-portfolio-filters {
    float: none;
    margin-top: 0;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .mega-portfolio-filters button {
    margin-left: 0;
    margin-right: 15px;
    margin-bottom: 8px;
    padding: 2px 10px;
  }

  .mega-portfolio {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: #ffffff;
  }

  .mega-portfolio .item {
    width: 100%;
    height: 260px;
  }

  .mega-portfolio .item.large {
    width: 100%;
    height: 280px;
  }
}