/* =========================================================
   COROX Films — styles
   1. Tokens & base
   2. Header
   3. Scenes (shared sticky stage + footage reveal)
   4. Act 1: logo split
   5. Film acts: title split
   6. Index
   7. Footer & crows
   8. Player (theater)
   9. Responsive & reduced motion
   ========================================================= */


/* 1. Tokens & base ---------------------------------------- */

:root {
  --ink: #09090a;
  --bone: #e7e3d8;
  --dim: rgba(231, 227, 216, .56);
  --faint: rgba(231, 227, 216, .2);
  --line: rgba(231, 227, 216, .14);

  --display: "Jost", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --vh: 100vh;
}

@supports (height: 100svh) {
  :root { --vh: 100svh; }
}

/* A night film label: dark in both colour schemes on purpose. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --ink: #09090a; }
}
:root[data-theme="dark"] { --ink: #09090a; }

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--ink);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--display);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video, svg { display: block; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

::selection {
  background: var(--bone);
  color: #000;
}

/* Film grain overlay (tiles are generated in js/main.js) */
#grain {
  position: fixed;
  inset: -10%;
  z-index: 90;
  pointer-events: none;
  opacity: .08;
  mix-blend-mode: screen;
  background-size: 128px 128px;
}


/* 2. Header ----------------------------------------------- */

.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  padding: 16px clamp(16px, 3vw, 32px);
  mix-blend-mode: difference;
  color: #fff;
}

.top img {
  height: 40px;
  width: auto;
  margin: -12px -10px;
}

.top nav {
  margin-left: auto;
  display: flex;
  gap: 22px;
}

.top nav :is(button, a) {
  text-decoration: none;
  color: inherit;
  font: 400 11px/1 var(--mono);
  letter-spacing: .18em;
  opacity: .8;
}

.top nav :is(button, a):hover,
.top nav [aria-current] {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}


/* 3. Scenes ----------------------------------------------- */

.scene { position: relative; }

.stick {
  position: sticky;
  top: 0;
  height: var(--vh);
  overflow: hidden;
}

/* Footage sits behind a clip-path slit that JS opens to full screen */
.reveal {
  position: absolute;
  inset: 0;
  clip-path: inset(50% 50% 50% 50%);
  will-change: clip-path;
  background: #000;
}

.reveal video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reveal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .35), transparent 30%, transparent 55%, rgba(0, 0, 0, .75));
}

.kicker {
  position: absolute;
  left: 0;
  right: 0;
  padding: 0 16px;
  text-align: center;
  font: 400 11px/1.5 var(--mono);
  letter-spacing: .32em;
  color: var(--dim);
  text-transform: uppercase;
}

.hint {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
  text-align: center;
  font: 400 10px/1 var(--mono);
  letter-spacing: .3em;
  color: var(--dim);
}

.hint span {
  display: inline-block;
  animation: nudge 1.6s ease-in-out infinite;
}

@keyframes nudge {
  50% { transform: translateY(6px); }
}

/* Caption that fades in once the footage is full screen */
.cap {
  position: absolute;
  left: clamp(16px, 5vw, 64px);
  right: clamp(16px, 5vw, 64px);
  bottom: clamp(40px, 10vh, 110px);
  opacity: 0;
  transform: translateY(30px);
}

.cap h1,
.cap h3 {
  font: 800 clamp(40px, 9vw, 140px)/.9 var(--display);
  letter-spacing: -.02em;
  text-transform: uppercase;
}

.cap .meta {
  margin-bottom: 14px;
  font: 400 11px/1.5 var(--mono);
  letter-spacing: .24em;
  color: var(--dim);
  text-transform: uppercase;
}

.cap p {
  margin-top: 18px;
  max-width: 34em;
  font: 400 clamp(15px, 1.6vw, 20px)/1.5 var(--display);
}

.btn {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px 14px 16px;
  border-radius: 999px;
  background: var(--bone);
  color: #000;
  font: 600 12px/1 var(--mono);
  letter-spacing: .18em;
  transition: transform .2s;
}

.btn:hover { transform: translateY(-2px); }

/* Play triangle */
.btn i {
  width: 0;
  height: 0;
  border-left: 9px solid currentColor;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}


/* 4. Act 1: logo split ------------------------------------ */

.door { height: calc(var(--vh) * 3.2); }

.logo-wrap {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(94vw, 1240px);
  aspect-ratio: 2.5;
  transform: translate(-50%, -52%);
}

.lg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  will-change: transform, opacity;
  user-select: none;
  -webkit-user-drag: none;
}

/* Three copies of logo.png, clipped to "CORO", top of X, bottom of X.
   Polygons are traced from the transparent logo's alpha. */
.lg-coro {
  clip-path: polygon(0 0, 75.3% 0, 75.3% 26%, 77.3% 33.3%, 78% 36.7%, 79.3% 41.7%, 79.7% 48.3%,
    80.3% 55%, 80% 58.3%, 78.7% 63.3%, 77% 68.3%, 75.7% 71.7%, 75.3% 76%, 75.3% 100%, 0 100%);
}

.lg-xt {
  clip-path: polygon(75.3% 0, 100% 0, 100% 48.3%, 79.7% 48.3%, 79.3% 41.7%, 78% 36.7%, 77.3% 33.3%, 75.3% 26%);
}

.lg-xb {
  clip-path: polygon(79.7% 48.3%, 100% 48.3%, 100% 100%, 75.3% 100%, 75.3% 76%, 75.7% 71.7%,
    77% 68.3%, 78.7% 63.3%, 80% 58.3%, 80.3% 55%);
}

.door .kicker { top: calc(50% - min(94vw, 1240px) * .2 - 40px); }


/* 5. Film acts: title split ------------------------------- */

.act { height: calc(var(--vh) * 2.8); }

.ttl {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 120px; /* real size set by fit() in js/main.js */
  white-space: nowrap;
}

.ttl h2 {
  padding: .04em 0;
  font: 800 1em/.82 var(--display);
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--bone);
  will-change: transform, opacity;
}

.ttl .tp { clip-path: inset(0 0 50% 0); }   /* top half */

.ttl .bt {                                    /* bottom half */
  position: absolute;
  inset: 0;
  clip-path: inset(50% 0 0 0);
}

.act .kicker { top: calc(50% - var(--th, 120px) * .5 - 48px); }


/* 6. Index ------------------------------------------------ */

.catalog-page .top {
  background: var(--ink);
  mix-blend-mode: normal;
  border-bottom: 1px solid var(--line);
}

.catalog {
  max-width: 1440px;
  margin: auto;
  padding: clamp(88px, 11vw, 154px) clamp(18px, 5vw, 80px) 76px;
}

.catalog h1 {
  margin-bottom: clamp(32px, 4vw, 64px);
  font: 800 clamp(58px, 10vw, 146px)/.9 var(--display);
  letter-spacing: -.055em;
  text-transform: uppercase;
}

.film-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(40px, 5vw, 80px) clamp(20px, 3vw, 48px);
}

.film-card { scroll-margin-top: 70px; }

.film-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #121213;
}

.film-frame img, .film-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

#file-001 .film-frame img { object-position: center 26%; }
#file-002 .film-frame img { object-position: center 55%; }

.film-preview { position: absolute; inset: 0; opacity: 0; }
.previewing .film-preview { opacity: 1; }
.play-mark {
  position: absolute;
  bottom: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 50%;
  background: rgba(0,0,0,.65);
  color: white;
  font-size: 13px;
}

.file-meta {
  display: flex;
  justify-content: space-between;
  margin: 16px 0 8px;
  color: var(--dim);
  font: 500 11px/1.5 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.film-card h2 {
  font: 700 clamp(32px, 3.4vw, 54px)/1 var(--display);
  letter-spacing: -.035em;
}

.synopsis {
  margin: 12px 0 18px;
  max-width: 58ch;
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.45;
}

.film-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font: 400 12px/1.5 var(--mono);
}

.process-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--bone);
  text-underline-offset: .25em;
}

.film-card dt { color: var(--dim); }

footer.catalog-footer {
  min-height: 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px clamp(18px, 5vw, 80px);
  border-top: 1px solid var(--line);
}

.catalog-footer p { margin: 0; letter-spacing: .09em; }
.catalog-footer strong { color: var(--bone); }


/* 7. Footer & crows --------------------------------------- */

footer {
  min-height: calc(var(--vh) * .8);
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 80px 16px 40px;
  text-align: center;
  background: #000;
}

.flogo {
  width: min(80vw, 640px);
  aspect-ratio: 2.5;
}

.flogo img {
  width: 100%;
  height: 100%;
}

footer p {
  margin-top: 6px;
  font: 400 11px/1.6 var(--mono);
  letter-spacing: .3em;
  color: var(--dim);
}

.design-credit {
  margin-top: 24px;
  text-transform: uppercase;
}

.design-credit strong {
  display: block;
  margin-top: 4px;
  font: 500 clamp(26px, 4vw, 40px)/1.1 var(--display);
  letter-spacing: 0;
  text-transform: none;
  color: var(--bone);
}

footer .copy {
  margin-top: 32px;
  font-size: 10px;
  color: var(--faint);
}

.bird {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 85;
  width: 44px;
  height: 20px;
  pointer-events: none;
}

.bird path {
  fill: none;
  stroke: var(--bone);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bird .w {
  transform-origin: 22px 10px;
  animation: flap .32s ease-in-out infinite alternate;
}

@keyframes flap {
  to { transform: scaleY(-.55); }
}


/* 8. Player (theater) ------------------------------------- */

#theater {
  position: fixed;
  inset: 0;
  z-index: 92;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, .95);
  margin: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  border: 0;
  color: var(--bone);
}

#theater:not([open]) { display: none; }
#theater::backdrop { background: #000; }

/* Vertical (9:16) by default; .wide switches to 16:9 */
.th-box {
  position: relative;
  height: min(88vh, calc(100vw * 16 / 9 - 40px));
  aspect-ratio: 9 / 16;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 0 1px var(--line);
}

.th-box.wide {
  height: auto;
  width: min(calc(100vw - 150px), calc(86vh * var(--film-aspect, 1.777778)));
  aspect-ratio: var(--film-aspect, 16 / 9);
}

.th-box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.th-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 40px 14px 14px;
  background: linear-gradient(transparent, rgba(0, 0, 0, .8));
  font: 400 10px/1 var(--mono);
  letter-spacing: .12em;
}

.th-bar button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4);
  display: grid;
  place-items: center;
  font: 600 10px/1 var(--mono);
}

.th-prog {
  height: 22px;
  display: flex;
  align-items: center;
  cursor: pointer;
  touch-action: none;
}

.th-prog div {
  position: relative;
  width: 100%;
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .25);
}

.th-prog span {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  border-radius: 2px;
  background: var(--bone);
}

/* Prev / next arrows */
.th-side {
  position: fixed;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, .4);
  font: 400 22px/1 var(--display);
}

.th-prev { left: clamp(8px, 4vw, 60px); }
.th-next { right: clamp(8px, 4vw, 60px); }

.th-close {
  position: fixed;
  top: 16px;
  right: clamp(16px, 3vw, 32px);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, .5);
  font: 600 11px/1 var(--mono);
  letter-spacing: .2em;
}

.th-title {
  position: fixed;
  left: clamp(16px, 3vw, 32px);
  top: 16px;
  font: 400 11px/1.6 var(--mono);
  letter-spacing: .2em;
  color: var(--dim);
  text-transform: uppercase;
}

.th-title strong {
  display: block;
  font: 800 24px/1.1 var(--display);
  letter-spacing: 0;
  color: var(--bone);
}


/* 8b. Process page: previs → film seam (process.html) ------ */

.process {
  position: relative;
  height: calc(var(--vh) * 4.2);
  background: var(--ink);
}

.pr-stage {
  position: absolute;
  inset: 0;
  clip-path: inset(50% 50% 50% 50%);
  will-change: clip-path;
  touch-action: pan-y;          /* vertical scroll stays native; horizontal drags steer the seam */
}

.process.live .pr-stage { cursor: ew-resize; }

.pr-stage canvas {
  width: 100%;
  height: 100%;
}

/* The source clip is only read by the canvas */
.pr-src {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 2px;
  opacity: 0;
  pointer-events: none;
}

/* Labels that ride the seam */
.pr-seam {
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
  transition: opacity .3s;
}

.pr-tag {
  position: absolute;
  top: 0;
  padding: 7px 9px;
  white-space: nowrap;
  background: rgba(0, 0, 0, .55);
  font: 400 10px/1 var(--mono);
  letter-spacing: .22em;
  color: var(--bone);
  transition: opacity .25s;
}

.pr-tag-l { right: 14px; }
.pr-tag-r { left: 14px; }

.process .kicker { top: calc(50% - var(--th, 120px) * .5 - 48px); }

/* The faded title and hints must not catch the pointer meant for the seam */
.process :is(.ttl, .kicker, .hint) { pointer-events: none; }

/* Wide screens: film in a 9:16 column, words on either side */
.pr-cap {
  position: absolute;
  left: clamp(16px, 4vw, 56px);
  bottom: clamp(40px, 10vh, 110px);
  width: calc(50vw - 28.125vh - clamp(16px, 4vw, 56px) - 32px);
  opacity: 0;
}

.pr-cap .meta {
  margin-bottom: 14px;
  font: 400 11px/1.5 var(--mono);
  letter-spacing: .24em;
  color: var(--dim);
  text-transform: uppercase;
}

.pr-cap h3 {
  font: 800 clamp(30px, 3.6vw, 64px)/.92 var(--display);
  letter-spacing: -.02em;
  text-transform: uppercase;
}

.pr-cap p {
  margin-top: 18px;
  max-width: 26em;
  font: 400 clamp(14px, 1.2vw, 18px)/1.5 var(--display);
  color: var(--dim);
}

.btn-ghost {
  background: transparent;
  color: var(--bone);
  border: 1px solid var(--line);
  padding: 13px 18px;
}

.btn-ghost[aria-pressed="true"] {
  background: var(--bone);
  color: #000;
}

.pr-shots {
  position: absolute;
  right: clamp(16px, 4vw, 56px);
  bottom: clamp(40px, 10vh, 110px);
  width: calc(50vw - 28.125vh - clamp(16px, 4vw, 56px) - 32px);
  list-style: none;
  counter-reset: shot;
  opacity: 0;
}

.pr-shots li { counter-increment: shot; }

.pr-shots button {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 6px 0;
  text-align: left;
  font: 800 clamp(18px, 2vw, 34px)/1.05 var(--display);
  letter-spacing: -.01em;
  text-transform: uppercase;
  color: var(--faint);
  transition: color .3s;
}

.pr-shots button::before {
  content: counter(shot, decimal-leading-zero);
  font: 400 10px/1 var(--mono);
  letter-spacing: .2em;
}

.pr-shots button:hover,
.pr-shots button.on { color: var(--bone); }

/* Widescreen films (16:9 clip): full screen on wide screens, words over a shade */
.pr-wide .pr-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, .85)),
    linear-gradient(90deg, rgba(0, 0, 0, .45), transparent 45%);
}

.pr-wide .pr-cap { width: min(36vw, 520px); }
.pr-wide .pr-cap p { color: var(--bone); }
.pr-wide .pr-shots { width: min(26vw, 360px); }
.pr-wide .pr-shots button { font-size: clamp(16px, 1.6vw, 26px); }
.pr-wide .pr-shots button:not(.on) { color: rgba(231, 227, 216, .45); }

/* End of the Process page */
.pr-end .pr-next {
  font: 800 clamp(40px, 8vw, 128px)/.9 var(--display);
  letter-spacing: -.02em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bone);
}

.pr-end .pr-next span {
  display: inline-block;
  transition: transform .3s;
}

.pr-end .pr-next:hover span { transform: translateX(.2em); }

/* Tall screens: the film fills the screen, words sit on top of it */
@media (max-aspect-ratio: 3/4) {
  .pr-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 35%, rgba(0, 0, 0, .85));
  }
  .pr-cap {
    right: clamp(16px, 5vw, 64px);
    left: clamp(16px, 5vw, 64px);
    width: auto;
  }
  .pr-cap h3 { font-size: clamp(34px, 9vw, 64px); }
  .pr-cap p { color: var(--bone); }
  .pr-shots { display: none; }
  .pr-wide .pr-cap { width: auto; }
}


/* 9. Responsive & reduced motion -------------------------- */

@media (max-width: 700px) {
  .film-grid { grid-template-columns: minmax(0, 1fr); }
  .th-box.wide { width: calc(100vw - 24px); }
  .th-title { display: none; }
  .th-side {
    top: auto;
    bottom: 16px;
    transform: none;
  }
}

/* Widescreen films show the whole frame on tall screens */
@media (orientation: portrait) {
  .act.wide .reveal video { object-fit: contain; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
}