/* Field Notes video players: poster + muted in-view preview, full video with sound in a dialog. */
.fn-player {
  --fn-accent: var(--ink-pink);
  margin-top: clamp(44px, 6vw, 88px);
}
.built-chapter .fn-player { --fn-accent: var(--ink-sun); }
.research-chapter .fn-player { --fn-accent: var(--ink-teal); }

/* Mount: the frame is pasted onto torn stock with a strip of tape, like the collage cards in the videos. */
.fn-mount { position: relative; isolation: isolate; }
.fn-mount::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -12px -11px -17px -10px;
  background: url(../assets/img/torn-paper.svg) center / 100% 100% no-repeat;
  transform: rotate(-.6deg);
  pointer-events: none;
}
.fn-mount::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: -13px;
  left: clamp(14px, 3vw, 34px);
  width: clamp(70px, 9vw, 112px);
  height: 25px;
  background: rgba(176, 158, 118, .5);
  box-shadow: inset 0 0 0 1px rgba(220, 200, 150, .14);
  clip-path: polygon(0 8%, 6% 0, 12% 10%, 18% 2%, 82% 0, 88% 9%, 94% 1%, 100% 6%, 97% 50%, 100% 94%, 92% 100%, 86% 91%, 80% 100%, 14% 98%, 8% 90%, 3% 100%, 0 92%, 3% 50%);
  transform: rotate(-4deg);
  pointer-events: none;
}
.fn-stamp {
  position: absolute;
  z-index: 2;
  top: -15px;
  right: clamp(12px, 2.4vw, 30px);
  display: grid;
  gap: 3px;
  padding: 6px 10px 5px;
  color: var(--fn-accent);
  background: rgba(19, 21, 29, .92);
  border: 2px solid currentColor;
  outline: 1px solid currentColor;
  outline-offset: 2px;
  font: 400 .56rem/1 var(--mono);
  letter-spacing: .16em;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(2.5deg);
  pointer-events: none;
}
.fn-stamp b { font-weight: 700; font-size: 1.5em; letter-spacing: .08em; }

.fn-frame {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  color: var(--chalk);
  background: var(--stock);
  border: 1px solid rgba(239, 226, 194, .12);
  text-decoration: none;
  cursor: pointer;
}
.fn-frame img,
.fn-frame video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fn-preview { opacity: 0; transition: opacity .7s ease; }
.fn-preview.is-live { opacity: 1; }
.fn-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 8, .62), rgba(7, 11, 8, 0) 34%);
  pointer-events: none;
}
.fn-frame:focus-visible { outline: 2px solid var(--fn-accent); outline-offset: 4px; }

.fn-play {
  position: absolute;
  left: clamp(12px, 2vw, 26px);
  bottom: clamp(12px, 2vw, 24px);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 7px 14px 7px 7px;
  border: 1px solid rgba(231, 226, 215, .26);
  background: rgba(7, 11, 8, .74);
  font: 500 .66rem/1 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
  transition: border-color .2s ease, color .2s ease;
}
.fn-play-icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: var(--black);
  background: var(--fn-accent);
}
.fn-play-icon svg { width: 9px; height: 10px; margin-left: 2px; fill: currentColor; }
.fn-play-time { color: var(--muted); }
.fn-frame:hover .fn-play,
.fn-frame:focus-visible .fn-play { color: var(--fn-accent); border-color: var(--fn-accent); }

.fn-note { font: 500 .65rem/1.45 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.fn-note { font-family: var(--mono); font-weight: 400; letter-spacing: .12em; }
.fn-kicker { color: var(--fn-accent); }
.fn-summary {
  color: var(--ink-cream);
  font: 400 clamp(1.15rem, 1.5vw, 1.35rem)/1.4 var(--body);
  letter-spacing: 0;
  text-transform: none;
}

/* Overview: a wide frame with a one-line note underneath. */
.fn-player--feature { max-width: 1160px; }
.fn-player--feature .fn-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 8px 28px;
  padding-top: 16px;
}
.fn-player--feature .fn-note { padding-top: 26px; }

/* Section players: compact frame beside a short note. */
.fn-player--section {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, .7fr);
  align-items: end;
  gap: clamp(24px, 4vw, 60px);
  max-width: 1160px;
  margin-top: clamp(40px, 5vw, 72px);
}
.fn-player--section .fn-note {
  display: grid;
  gap: 14px;
  padding: 0 0 4px 22px;
  border-left: 1px solid var(--hairline);
}
.fn-player--section .fn-summary { max-width: 30ch; }

/* Full video dialog. */
.fn-dialog {
  width: min(1400px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  margin: auto;
  padding: 0;
  color: var(--chalk);
  background: var(--stock);
  border: 1px solid var(--hairline);
}
.fn-dialog::backdrop { background: rgba(4, 6, 5, .9); }
.fn-dialog-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 14px 12px 18px;
  border-bottom: 1px solid var(--hairline);
  font: 500 .66rem/1.3 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
}
.fn-dialog-title { color: var(--muted); }
.fn-dialog-title b { color: var(--ink-pink); font-weight: 400; }
.fn-close {
  padding: 8px 10px;
  color: var(--chalk);
  background: none;
  border: 1px solid var(--hairline);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}
.fn-close:hover,
.fn-close:focus-visible { color: var(--ink-sun); border-color: var(--ink-sun); outline: none; }
.fn-close { min-height: 40px; }
.fn-dialog video {
  display: block;
  width: 100%;
  max-height: calc(100vh - 32px - 50px);
  aspect-ratio: 16 / 9;
  background: #000;
}
.fn-dialog video::cue {
  color: #e7e2d7;
  background: rgba(7, 11, 8, .82);
  font-family: "Atkinson Hyperlegible Next", Arial, sans-serif;
  line-height: 1.35;
}

@media (max-width: 720px) {
  .fn-play { gap: 9px; padding: 5px 10px 5px 5px; font-size: .58rem; }
  .fn-play-icon { width: 22px; height: 22px; }
  .fn-play-icon svg { width: 8px; height: 9px; }
  .fn-player--feature .fn-note { grid-template-columns: 1fr; gap: 8px; padding-top: 22px; }
  .fn-player--section { grid-template-columns: 1fr; gap: 16px; }
  .fn-player--section .fn-note { gap: 10px; padding: 12px 0 0; border-left: 0; }
  .fn-stamp { top: -13px; font-size: .5rem; }
  .fn-player--section .fn-summary { max-width: none; }
  .fn-dialog { width: 100vw; max-height: 100vh; border-width: 1px 0; }
  .fn-dialog video { max-height: calc(100vh - 50px); }
}

@media (prefers-reduced-motion: reduce) {
  .fn-preview { display: none; }
  .fn-play { transition: none; }
}