/* ============================================
   VAN DYCK — Homepage: 5 Frames
   ============================================ */

/* Full viewport 5-frame layout */
.home-frames {
  display: flex;
  height: calc(100vh - var(--nav-h));
  width: 100%;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.frame {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: flex 0.7s cubic-bezier(0.33, 1, 0.68, 1);
  will-change: flex;
}

.frame:last-child { border-right: none; }

/* Background image */
.frame-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.frame-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease, opacity 0.5s ease;
}

/* Video layer (hidden by default) */
.frame-video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* Darken overlay */
.frame-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.8) 0%,
    rgba(0,0,0,0.25) 35%,
    transparent 55%
  );
  transition: background 0.5s ease;
}

/* Content at bottom of frame */
.frame-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 50px 28px 40px;
}

.frame-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 4px;
  display: block;
  margin-bottom: 6px;
}

.frame-title {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 5px;
  margin-bottom: 2px;
  transition: transform 0.5s ease;
}

.frame-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.8rem;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.frame-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.6;
  letter-spacing: 1px;
  max-width: 200px;
  opacity: 0;
  transform: translateY(12px);
  transition: all 0.5s ease 0.1s;
}

/* Play button indicator */
.frame::after {
  content: '\f04b';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  width: 56px;
  height: 56px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.4);
  opacity: 0;
  transition: all 0.4s ease;
  pointer-events: none;
}

/* ========== HOVER STATES ========== */

/* On hover: expand frame, show video, reveal desc */
.frame:hover {
  flex: 1.4;
}

.frame:hover .frame-bg img {
  transform: scale(1.06);
}

.frame.has-video:hover .frame-video {
  opacity: 1;
}

.frame.has-video:hover .frame-bg img {
  opacity: 0.2;
}

.frame:hover .frame-desc {
  opacity: 1;
  transform: translateY(0);
}

.frame:hover::after {
  opacity: 1;
  border-color: var(--gold);
  color: var(--gold);
  transform: translate(-50%, -50%) scale(1.08);
}

.has-video.video-loaded::after {
  border-color: var(--gold);
  color: var(--gold);
}

/* ========== FULLSCREEN MODAL ========== */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

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

.video-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.video-modal-inner {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 1100px;
  animation: modalIn 0.4s var(--ease-out-expo);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.video-modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 2;
}

.video-modal-close:hover {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
}

.video-modal-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.video-modal-player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-modal-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
}

.video-modal-element {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  color: var(--gold);
  letter-spacing: 3px;
}

.video-modal-title {
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 3px;
}

.video-modal-sig {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== MOBILE (Vertical Stack) ========== */
@media(max-width: 768px) {
  .home-frames {
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
  }
  .frame {
    flex: none !important;
    height: 20vh;
    min-height: 140px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .frame:hover { flex: none !important; }
  .frame-content { padding: 24px 20px 20px; }
  .frame-title { font-size: 1rem; letter-spacing: 3px; }
  .frame-desc { display: none; }
  .frame::after { width: 36px; height: 36px; font-size: 0.8rem; }
}