/* ============================================================
   SECTION 4a — FILM (cinematic video showcase)
   ============================================================ */

.section-film {
  position: relative;
  background: var(--jet);
  overflow: hidden;
  padding: clamp(5rem, 9vh, 7rem) 0 clamp(4.5rem, 7vh, 6rem);
}

/* ---- faint watermark ---- */
.film-watermark {
  position: absolute;
  top: -4%;
  right: -2%;
  z-index: 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(10rem, 24vw, 20rem);
  line-height: 0.85;
  color: rgba(255, 255, 255, 0.013);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  letter-spacing: -0.02em;
}

/* ---- header ---- */
.film-header {
  position: relative;
  z-index: 2;
  text-align: center;
  margin: 0 auto clamp(2.8rem, 5.5vh, 4rem);
}
.film-header .eyebrow {
  justify-content: center;
}
.film-header .eyebrow::before {
  background: linear-gradient(90deg, transparent, var(--gold));
}
.film-header .eyebrow::after {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  display: inline-block;
}
.section-film .section-title {
  margin-top: 1.1rem;
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

/* ---- stage ---- */
.film-stage {
  position: relative;
  z-index: 2;
}

.film-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #060607;
  border: 1px solid var(--line);
  cursor: pointer;
  isolation: isolate;
}

.film-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---- vignette + grain (matches hero treatment) ---- */
.film-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(
      120% 100% at 50% 40%,
      transparent 40%,
      rgba(5, 5, 5, 0.6) 100%
    ),
    linear-gradient(
      to top,
      rgba(0, 0, 0, 0.65) 0%,
      transparent 34%
    );
  transition: opacity 0.6s var(--ease);
}
.film-frame.is-playing .film-veil {
  opacity: 0.7;
}
.film-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- corner brackets (viewfinder) ---- */
.film-corner {
  position: absolute;
  z-index: 4;
  width: clamp(28px, 3.2vw, 46px);
  height: clamp(28px, 3.2vw, 46px);
  pointer-events: none;
  border-color: rgba(198, 161, 91, 0.55);
  transition: border-color 0.5s var(--ease);
}
.film-corner.tl {
  top: 14px;
  left: 14px;
  border-top: 1px solid;
  border-left: 1px solid;
}
.film-corner.tr {
  top: 14px;
  right: 14px;
  border-top: 1px solid;
  border-right: 1px solid;
}
.film-corner.bl {
  bottom: 14px;
  left: 14px;
  border-bottom: 1px solid;
  border-left: 1px solid;
}
.film-corner.br {
  bottom: 14px;
  right: 14px;
  border-bottom: 1px solid;
  border-right: 1px solid;
}

/* ---- center play/pause toggle ---- */
.film-toggle {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  width: clamp(64px, 8vw, 92px);
  height: clamp(64px, 8vw, 92px);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(198, 161, 91, 0.55);
  background: rgba(5, 5, 6, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  color: var(--gold-soft);
  pointer-events: none;
  transition:
    opacity 0.5s var(--ease),
    transform 0.5s var(--ease);
}
.film-toggle svg {
  width: 34%;
  height: 34%;
  fill: currentColor;
}
.film-toggle .ic-pause {
  display: none;
}
.film-frame.is-playing .film-toggle .ic-play {
  display: none;
}
.film-frame.is-playing .film-toggle .ic-pause {
  display: block;
}
.film-frame.is-playing .film-toggle {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.85);
}
.film-frame.is-playing:hover .film-toggle {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.film-frame:hover .film-toggle {
  border-color: var(--gold);
}

/* ---- bottom-right utility controls ---- */
.film-controls {
  position: absolute;
  right: clamp(14px, 2vw, 24px);
  bottom: clamp(18px, 2.6vw, 30px);
  z-index: 6;
  display: flex;
  gap: 0.6rem;
}
.film-btn {
  width: clamp(38px, 4vw, 46px);
  height: clamp(38px, 4vw, 46px);
  border-radius: 50%;
  border: 1px solid rgba(198, 161, 91, 0.35);
  background: rgba(5, 5, 6, 0.52);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--paper);
  display: grid;
  place-items: center;
  transition:
    background 0.35s var(--ease),
    color 0.35s,
    border-color 0.35s,
    transform 0.3s;
}
.film-btn svg {
  width: 42%;
  height: 42%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.film-btn:hover {
  background: var(--gold);
  color: var(--jet);
  border-color: var(--gold);
}
.film-btn:active {
  transform: scale(0.92);
}
.film-btn .ic-mute {
  display: none;
}
.film-frame.is-muted .film-btn .ic-sound {
  display: none;
}
.film-frame.is-muted .film-btn .ic-mute {
  display: block;
}

/* ---- progress bar ---- */
.film-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 6;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
}
.film-progress i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold));
  transition: width 0.1s linear;
}

/* ---- caption row below frame ---- */
.film-caption {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-top: clamp(1.4rem, 2.6vh, 2rem);
  flex-wrap: wrap;
}
.film-caption .tag {
  flex: none;
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}
.film-caption p {
  flex: 1 1 320px;
  max-width: 52ch;
  margin-left: auto;
  text-align: right;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- responsive ---- */
@media (max-width: 600px) {
  .film-caption {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }
  .film-caption p {
    text-align: left;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .film-toggle,
  .film-veil {
    transition: none;
  }
}