/* ===== PORTFOLIO PAGE ===== */
/* Mobile-first — min-width media queries */

.portfolio-hero {
  padding: 110px 0 50px;
  text-align: center;
  width: 100%;
  overflow: hidden;
}

/* ===== FILTERS ===== */
.portfolio-filters {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ===== PORTFOLIO GRID ===== */
/* 1 column mobile */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.portfolio-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 0;
}

.portfolio-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(108, 99, 255, 0.15);
}

.portfolio-card[data-hidden="true"] { display: none; }

.portfolio-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-bg-3);
  transition: transform 0.4s ease;
  display: block;
}

.portfolio-card:hover .portfolio-card-img {
  transform: scale(1.03);
}

.portfolio-card-img-wrap {
  overflow: hidden;
  position: relative;
}

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(108, 99, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.portfolio-card:hover .portfolio-card-overlay { opacity: 1; }

.portfolio-card-placeholder {
  width: 100%;
  height: 200px;
  background: var(--color-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dim);
  font-size: 2.5rem;
}

.portfolio-card-body {
  padding: 1.25rem;
}

.portfolio-card-type {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.portfolio-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  word-break: break-word;
}

.portfolio-card-niche {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===== POPUP ===== */
/* Mobile: bottom sheet */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.popup-overlay.active {
  opacity: 1;
  visibility: visible;
}

.popup-content {
  background: rgba(10, 10, 20, 0.75);
  backdrop-filter: blur(32px);
  -webkit-backdrop-filter: blur(32px);
  border: 1px solid var(--glass-border);
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-width: 700px;
  max-height: 95vh;
  overflow-y: auto;
  scrollbar-width: none;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}
.popup-content::-webkit-scrollbar { display: none; }

.popup-overlay.active .popup-content {
  transform: translateY(0);
}

.popup-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-3);
  border-radius: 50%;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
  z-index: 1;
  border: none;
  cursor: pointer;
}

.popup-close:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.popup-screenshot {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 20px 20px 0 0;
  display: block;
}

.popup-screenshot-placeholder {
  height: 180px;
  background: var(--color-bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-radius: 20px 20px 0 0;
}

.popup-body {
  padding: 1.25rem;
}

.popup-niche {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.popup-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  word-break: break-word;
}

.popup-description {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.popup-techs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.popup-tech {
  padding: 0.3rem 0.75rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}

.popup-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.popup-live-btn,
.popup-order-btn {
  width: 100%;
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  transition: all 0.2s ease;
  display: block;
}

.popup-live-btn {
  background: var(--color-accent);
  color: #fff;
}

.popup-live-btn:hover { background: var(--color-accent-hover); }

.popup-order-btn {
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
}

.popup-order-btn:hover { border-color: var(--color-accent); }

/* ===== TABLET (min-width: 600px) ===== */
@media (min-width: 600px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== DESKTOP (min-width: 768px) ===== */
@media (min-width: 768px) {
  .portfolio-hero {
    padding: 140px 0 80px;
  }

  .portfolio-filters {
    margin-bottom: 3rem;
  }

  /* Popup: centered modal on desktop */
  .popup-overlay {
    align-items: center;
    padding: 1.5rem;
  }

  .popup-content {
    border-radius: 16px;
    transform: scale(0.95) translateY(10px);
    max-height: 90vh;
  }

  .popup-overlay.active .popup-content {
    transform: scale(1) translateY(0);
  }

  .popup-screenshot {
    max-height: 380px;
    border-radius: 16px 16px 0 0;
  }

  .popup-screenshot-placeholder {
    height: 220px;
    border-radius: 16px 16px 0 0;
  }

  .popup-body {
    padding: 2rem;
  }

  .popup-title {
    font-size: 1.6rem;
  }

  .popup-description {
    font-size: 1rem;
  }

  .popup-actions {
    flex-direction: row;
  }

  .popup-live-btn,
  .popup-order-btn {
    flex: 1;
    width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* ===== LARGE DESKTOP (min-width: 1024px) ===== */
@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

  .portfolio-card-img {
    height: 220px;
  }

  .portfolio-card-placeholder {
    height: 220px;
  }
}