/* ============================================
   PORTFOLIO / PROJECTS SECTION
   ============================================ */
.portfolio {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.88), rgba(246,248,251,0.96)),
    var(--off-white);
}

.portfolio-tabs {
  display: flex;
  justify-content: center;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 18px;
  padding: 6px;
  border-radius: 16px;
  background: rgba(15, 94, 168, 0.08);
  border: 1px solid rgba(15, 94, 168, 0.1);
  flex-wrap: wrap;
}

.tab-btn {
  min-height: 42px;
  padding: 10px 22px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: #0F5EA8;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.tab-btn.active,
.tab-btn:hover {
  background: #0F5EA8;
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 94, 168, 0.2);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.filter-btn {
  min-height: 40px;
  padding: 9px 18px;
  border: 1px solid rgba(15, 94, 168, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.04);
  color: var(--gray-500);
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.25s var(--ease-smooth);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: rgba(57, 189, 235, 0.45);
  background: rgba(57, 189, 235, 0.1);
  color: #C05621;
  box-shadow: 0 12px 28px rgba(57, 189, 235, 0.12);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 26px;
  align-items: stretch;
}

.portfolio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 94, 168, 0.09);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  transition: transform 0.35s var(--ease-smooth), box-shadow 0.35s ease, border-color 0.35s ease;
}

.portfolio-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, #0F5EA8, #39BDEB, #2EC4B6);
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 3;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(57, 189, 235, 0.28);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.14);
}

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

.portfolio-card-img {
  position: relative;
  height: 230px;
  overflow: hidden;
  cursor: pointer;
  background:
    linear-gradient(135deg, rgba(15, 94, 168,0.08), rgba(46,196,182,0.08)),
    #F8FAFC;
}

.portfolio-card-img::after {
  content: "";
  position: absolute;
  inset: auto 18px 0;
  height: 1px;
  background: rgba(15, 94, 168, 0.08);
  z-index: 2;
}

.portfolio-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: saturate(0.96) contrast(1.02);
  transition: transform 0.55s var(--ease-smooth), filter 0.35s ease;
}

.portfolio-card:hover .portfolio-card-img img {
  transform: scale(1.045);
  filter: saturate(1.04) contrast(1.04);
}

.card-img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  background: linear-gradient(180deg, rgba(15, 94, 168, 0.08), rgba(15, 94, 168, 0.68));
  transition: opacity 0.35s ease;
  z-index: 1;
}

.portfolio-card:hover .card-img-overlay,
.portfolio-card-img:focus-visible .card-img-overlay {
  opacity: 1;
}

.card-img-overlay span {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 750;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255,255,255,0.45);
  padding: 10px 18px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.portfolio-card-img .card-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  padding: 7px 12px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.card-tag.rpp     { background: linear-gradient(135deg, #39BDEB, #39BDEB); }
.card-tag.modul   { background: linear-gradient(135deg, #2EC4B6, #1B998B); }
.card-tag.media   { background: linear-gradient(135deg, #9B72CF, #6D5BD0); }
.card-tag.asesmen { background: linear-gradient(135deg, #F1D7A6, #39BDEB); }
.card-tag.sky     { background: linear-gradient(135deg, #56CCF2, #2D9CDB); }
.card-tag.coral   { background: linear-gradient(135deg, #0F5EA8, #39BDEB); }

.portfolio-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.portfolio-card-body h3 {
  color: #0F5EA8;
  font-size: 1.06rem;
  line-height: 1.35;
  margin-bottom: 10px;
}

.portfolio-card-body p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.68;
  margin-bottom: 18px;
}

.portfolio-card-body .card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  margin-top: auto;
  min-height: 40px;
  padding: 9px 16px;
  border: 0;
  border-radius: 12px;
  background: rgba(15, 94, 168, 0.08);
  color: #0F5EA8;
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 750;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.portfolio-card-body .card-link:hover {
  background: #0F5EA8;
  color: #fff;
  transform: translateY(-1px);
}

[data-theme="dark"] .portfolio {
  background:
    linear-gradient(180deg, rgba(20,22,29,0.9), rgba(18,20,27,0.96)),
    var(--gray-900);
}

[data-theme="dark"] .portfolio-tabs {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.09);
}

[data-theme="dark"] .tab-btn {
  color: rgba(255, 255, 255, 0.72);
}

[data-theme="dark"] .tab-btn.active,
[data-theme="dark"] .tab-btn:hover {
  background: #39BDEB;
  color: #fff;
  box-shadow: 0 12px 28px rgba(57, 189, 235, 0.2);
}

[data-theme="dark"] .filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.66);
}

[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
  background: rgba(57, 189, 235, 0.12);
  border-color: rgba(57, 189, 235, 0.42);
  color: #7DD3FC;
}

[data-theme="dark"] .portfolio-card {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

[data-theme="dark"] .portfolio-card:hover {
  border-color: rgba(57, 189, 235, 0.32);
}

[data-theme="dark"] .portfolio-card-img {
  background:
    linear-gradient(135deg, rgba(57, 189, 235,0.08), rgba(46,196,182,0.07)),
    rgba(255,255,255,0.04);
}

[data-theme="dark"] .portfolio-card-body h3 {
  color: rgba(255, 255, 255, 0.88);
}

[data-theme="dark"] .portfolio-card-body p {
  color: rgba(255, 255, 255, 0.64);
}

[data-theme="dark"] .portfolio-card-body .card-link {
  background: rgba(57, 189, 235, 0.12);
  color: #7DD3FC;
}

[data-theme="dark"] .portfolio-card-body .card-link:hover {
  background: #39BDEB;
  color: #fff;
}

/* ============================================
   MODAL ANALISIS ARTEFAK
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease-bounce);
  padding: 20px;
}

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

.modal-container {
  background: var(--white);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: translateY(30px) scale(0.95);
  transition: all 0.4s var(--ease-bounce);
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .modal-container {
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gray-100);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 24px;
  color: var(--gray-600);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.modal-close:hover {
  background: var(--coral-light);
  color: var(--coral);
  transform: rotate(90deg);
}

.modal-content {
  padding: 40px;
}

.modal-header h3 {
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 10px;
  line-height: 1.35;
}

.modal-type-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(46,196,182,0.12), rgba(86,204,242,0.12));
  color: var(--teal-dark);
  border: 1px solid rgba(46,196,182,0.3);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.modal-header {
  padding-bottom: 20px;
  border-bottom: 2px solid var(--gray-100);
  margin-bottom: 8px;
}

.modal-body h4 {
  font-size: 18px;
  color: var(--gray-800);
  margin-top: 24px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body p, .modal-body ul {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.modal-body ul {
  padding-left: 20px;
}

.modal-body li {
  margin-bottom: 8px;
}

/* ============================================
   PENILAIAN SECTION
   ============================================ */
.penilaian {
  background: var(--off-white);
}

.penilaian-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.penilaian-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: transform 0.4s var(--ease-bounce), box-shadow 0.4s ease;
}

.penilaian-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.penilaian-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px dashed var(--gray-200);
}

.penilaian-header h3 {
  font-size: 24px;
  color: var(--teal-dark);
  margin-bottom: 8px;
}

.penilaian-header p {
  color: var(--gray-500);
  font-size: 15px;
}

.penilaian-list {
  list-style: none;
}

.penilaian-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

.penilaian-list li:last-child {
  border-bottom: none;
}

.penilaian-list span {
  font-weight: 500;
  color: var(--gray-700);
}

.btn-download {
  padding: 8px 16px;
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-download:hover {
  background: var(--teal);
  color: white;
  transform: scale(1.05);
}

/* Responsive Modal & Penilaian */
@media (max-width: 768px) {
  .modal-content {
    padding: 25px 15px;
  }
  .penilaian-grid {
    grid-template-columns: 1fr;
  }
  .modal-close {
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    font-size: 18px;
  }
  .modal-header {
    padding-right: 25px !important;
  }
  .modal-header h3 {
    font-size: 1.25rem !important;
  }
  /* PDF Preview adjustments */
  .modal-body iframe {
    height: 60vh !important;
  }
  .pdf-preview iframe {
    height: 50vh !important;
  }
}

@media (max-width: 480px) {
  .modal-header a {
    width: 100%;
    justify-content: center;
  }
  .modal-body iframe {
    height: 55vh !important;
  }
}

/* ============================================
   MODAL — FILE LINKS & PDF PREVIEW
   ============================================ */
.modal-files {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1.5px dashed var(--gray-200);
}

.modal-file-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.modal-file-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--off-white);
  border: 2px solid var(--gray-200);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  text-decoration: none;
  transition: all 0.3s var(--ease-smooth);
  cursor: pointer;
}

.modal-file-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(46,196,182,0.28);
}

/* PDF preview embed */
.modal-pdf-preview {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1.5px dashed var(--gray-200);
}

.pdf-embed-wrapper {
  margin-top: 12px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.pdf-embed {
  width: 100%;
  height: 420px;
  display: block;
  border: none;
}

.pdf-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 20px;
  text-align: center;
  color: var(--gray-500);
}

.pdf-fallback span {
  font-size: 3rem;
}

.pdf-fallback p {
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 768px) {
  .pdf-embed {
    height: 280px;
  }
  .modal-file-list {
    flex-direction: column;
  }
  .modal-file-btn {
    justify-content: center;
  }
}