/**
 * Chanak International Academy · Portal Showcase & Lightbox Modal Styles
 * Consistent with Playfair Display / DM Sans brand identity (Navy, Teal, Gold).
 */

.portal-showcase-section {
  padding: 50px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.portal-showcase-wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 16px;
}

.portal-header {
  text-align: center;
  margin-bottom: 32px;
}

.portal-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(13, 148, 136, 0.12);
  border: 1px solid rgba(13, 148, 136, 0.35);
  color: #0f766e;
  border-radius: 50px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.portal-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  color: #0c2d48;
  margin-bottom: 12px;
  line-height: 1.25;
}

.portal-intro {
  font-size: 1.02rem;
  color: #475569;
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.65;
}

/* Joint Overview Hero */
.portal-joint-hero {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(12, 45, 72, 0.08);
  border: 1.5px solid #cbd5e1;
  background: #0f172a;
  margin-bottom: 28px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.portal-joint-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(12, 45, 72, 0.15);
  border-color: #0d9488;
}

.portal-joint-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.portal-joint-hero:hover .portal-joint-img {
  opacity: 0.96;
}

.portal-zoom-tag {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(15, 23, 42, 0.85);
  color: #f8fafc;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  pointer-events: none;
  transition: background 0.2s ease;
}

.portal-joint-hero:hover .portal-zoom-tag {
  background: #0d9488;
  color: #ffffff;
}

/* 3-Cards Grid */
.portal-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr));
  gap: 22px;
  margin-bottom: 30px;
}

.portal-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.portal-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(12, 45, 72, 0.08);
  border-color: #cbd5e1;
}

.portal-card-thumb-wrap {
  position: relative;
  background: #0f172a;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 10;
}

.portal-card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.portal-card-thumb-wrap:hover .portal-card-thumb {
  transform: scale(1.03);
  opacity: 0.95;
}

.portal-card-thumb-wrap .portal-zoom-tag {
  bottom: 10px;
  right: 10px;
  font-size: 11px;
  padding: 4px 10px;
}

.portal-card-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.portal-card-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #0d9488;
  margin-bottom: 6px;
}

.portal-card-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  color: #0c2d48;
  margin-bottom: 8px;
  line-height: 1.3;
}

.portal-card-text {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.55;
  margin-bottom: 14px;
  flex: 1;
}

.portal-card-btn-zoom {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid #cbd5e1;
  color: #0c2d48;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.portal-card-btn-zoom:hover {
  background: #0c2d48;
  color: #ffffff;
  border-color: #0c2d48;
}

/* Life Skills Integrated Box */
.portal-lifeskills-box {
  background: #fdfbf7;
  border: 1.5px solid #fde68a;
  border-left: 4px solid #d4af37;
  border-radius: 12px;
  padding: 18px 22px;
  margin-top: 18px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.08);
}

@media (max-width: 640px) {
  .portal-lifeskills-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

.portal-lifeskills-thumb-wrap {
  position: relative;
  width: 140px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

@media (max-width: 640px) {
  .portal-lifeskills-thumb-wrap {
    width: 100%;
    max-height: 160px;
  }
}

.portal-lifeskills-thumb {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.2s ease;
}

.portal-lifeskills-thumb-wrap:hover .portal-lifeskills-thumb {
  transform: scale(1.04);
}

.portal-lifeskills-info {
  flex: 1;
}

.portal-lifeskills-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #b45309;
  margin-bottom: 4px;
}

.portal-lifeskills-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  color: #0c2d48;
  margin-bottom: 6px;
}

.portal-lifeskills-desc {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.5;
  margin-bottom: 8px;
}

/* Bottom Actions & Discrete Disclaimer */
.portal-footer-action {
  text-align: center;
  margin-top: 24px;
}

.portal-btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  background: linear-gradient(135deg, #0c2d48 0%, #1a5f8a 100%);
  color: #ffffff;
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(12, 45, 72, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.portal-btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(12, 45, 72, 0.3);
  background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
}

.portal-disclaimer {
  text-align: center;
  font-size: 0.82rem;
  color: #64748b;
  font-style: italic;
  margin-top: 14px;
  line-height: 1.4;
}

/* Accessible Lightbox Modal */
.portal-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  overflow: auto;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
}

.portal-modal.active {
  display: flex;
}

.portal-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 47, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: portalFadeIn 0.2s ease-out;
}

.portal-modal-dialog {
  position: relative;
  z-index: 100000;
  max-width: 1060px;
  width: 100%;
  background: #0f172a;
  border: 1.5px solid rgba(212, 175, 55, 0.35);
  border-radius: 16px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  animation: portalScaleIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.portal-modal-header {
  padding: 14px 20px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.portal-modal-title {
  color: #f8fafc;
  font-size: 1rem;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  margin: 0;
}

.portal-modal-close {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f8fafc;
  font-size: 20px;
  line-height: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.portal-modal-close:hover,
.portal-modal-close:focus {
  background: #d4af37;
  color: #0f172a;
  border-color: #d4af37;
  outline: none;
}

.portal-modal-body {
  padding: 0;
  background: #0a0f1d;
  display: flex;
  justify-content: center;
  align-items: center;
}

.portal-modal-img {
  width: 100%;
  max-height: 75vh;
  object-fit: contain;
  display: block;
}

.portal-modal-footer {
  padding: 12px 20px;
  background: #1e293b;
  border-top: 1px solid #334155;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.portal-modal-caption {
  font-size: 0.86rem;
  color: #94a3b8;
}

.portal-modal-disclaimer {
  font-size: 0.78rem;
  color: #cbd5e1;
  font-style: italic;
}

@keyframes portalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes portalScaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}