/* ═══════════════════════════════════════════════════════════
   PROTECTING SPECIES — scroll-cinematic 5-video intro
   Pinned stage; scroll drives video crossfades, stretch-blur
   transitions, and progressive text reveals; ends on the
   "Protecting Species" title with a photo collage.
   ═══════════════════════════════════════════════════════════ */
:root{ --psc-ink:#050706; }

.psc{position:relative;background:var(--psc-ink);height:1300vh}
.psc-stage{position:sticky;top:0;height:100vh;width:100%;overflow:hidden;background:#000}

/* ── video layers ── */
.psc-vid{position:absolute;inset:0;z-index:0;opacity:0;will-change:opacity,transform,filter;overflow:hidden}
.psc-vid video{position:absolute;top:50%;left:50%;width:100%;height:100%;transform:translate(-50%,-50%);
  object-fit:cover;background:#000;will-change:transform}
.psc-vid::after{content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(125% 100% at 50% 46%,transparent 52%,rgba(5,7,6,0.5));}
/* subtle bottom grade so the scroll cue + text read */
.psc-grade{position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(to bottom,rgba(5,7,6,0.32),transparent 22% 70%,rgba(5,7,6,0.42))}

/* ── black finale backdrop ── */
.psc-black{position:absolute;inset:0;z-index:3;background:var(--psc-ink);opacity:0;will-change:opacity}

/* ── text overlay common ── */
.psc-text{position:absolute;z-index:5;inset:0;display:flex;align-items:center;
  padding:0 clamp(1.5rem,6vw,7rem);pointer-events:none}
.psc-words{font-family:var(--font-head);font-weight:800;text-transform:uppercase;line-height:1.02;
  letter-spacing:-0.015em;color:rgba(255,255,255,0.14);
  -webkit-text-stroke:1px rgba(255,255,255,0.82);text-stroke:1px rgba(255,255,255,0.82);
  text-wrap:balance;text-shadow:0 2px 40px rgba(0,0,0,0.35)}

/* T1 — opening statement (centered) */
.psc-t1{justify-content:center;text-align:center}
.psc-t1 .psc-words{font-size:clamp(1.7rem,4.4vw,4.1rem);max-width:20ch;
  color:#fff;-webkit-text-stroke:0;text-stroke:0;text-shadow:0 4px 40px rgba(0,0,0,0.6)}
.psc-t1 .l{display:block;opacity:0;transform:translateY(26px);transition:opacity 0.9s ease,transform 1s cubic-bezier(0.16,1,0.3,1)}
.psc-t1.show .l{opacity:1;transform:none}
.psc-t1.show .l:nth-child(2){transition-delay:0.08s}
.psc-t1.show .l:nth-child(3){transition-delay:0.16s}
.psc-t1.show .l:nth-child(4){transition-delay:0.24s}

/* T2 — three reasons, lower-left, revealed one by one */
.psc-t2{align-items:flex-end;justify-content:flex-start;padding-bottom:clamp(3rem,9vh,7rem)}
.psc-t2 .psc-words{font-size:clamp(2rem,6vw,5.4rem);display:flex;flex-direction:column;gap:0.1em}
.psc-t2 .l{display:block;opacity:0;transform:translateY(40px);filter:blur(6px);
  transition:opacity 0.8s ease,transform 0.9s cubic-bezier(0.16,1,0.3,1),filter 0.8s ease}
.psc-t2 .l.show{opacity:1;transform:none;filter:none}

/* T3 — "One by one ..." centered, built progressively */
.psc-t3{justify-content:center;text-align:center}
.psc-t3 .psc-words{font-size:clamp(1.9rem,5vw,4.6rem);max-width:22ch;
  color:#fff;-webkit-text-stroke:0;text-stroke:0;text-shadow:0 4px 40px rgba(0,0,0,0.6)}
.psc-t3 .w{display:inline-block;opacity:0;transform:translateY(20px) scale(0.96);filter:blur(5px);
  transition:opacity 0.85s ease,transform 0.9s cubic-bezier(0.16,1,0.3,1),filter 0.85s ease;margin-right:0.28em}
.psc-t3 .w.show{opacity:1;transform:none;filter:none}
.psc-t3 .rest{display:inline;opacity:0;filter:blur(5px);transition:opacity 1.1s ease,filter 1.1s ease}
.psc-t3 .rest.show{opacity:1;filter:none}
.psc-t3 .rest .alive{color:var(--lime);-webkit-text-stroke:0;text-stroke:0}

/* ── finale: title + collage ── */
.psc-finale{position:absolute;inset:0;z-index:6;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none}
.psc-finale.show{pointer-events:auto}
.psc-finale-title{position:relative;z-index:3;text-align:center;padding:0 1.5rem}
/* soft black gradient halo so the title reads over the collage */
.psc-finale-title::before{content:none}
.psc-finale-title .pf-kicker{display:block;font-family:var(--font-sub);font-size:clamp(0.66rem,1vw,0.8rem);font-weight:700;
  letter-spacing:0.36em;text-transform:uppercase;color:var(--lime);margin-bottom:1.4rem;
  opacity:0;transform:translateY(18px);transition:opacity 0.9s ease 0.1s,transform 0.9s ease 0.1s}
.psc-finale-title h1{font-family:var(--font-head);font-weight:800;text-transform:uppercase;letter-spacing:-0.03em;
  line-height:0.84;color:#fff;font-size:clamp(3rem,10vw,9rem);margin:0;text-shadow:0 10px 60px rgba(0,0,0,0.7)}
.psc-finale-title h1 .green{color:var(--lime)}
.psc-finale-title h1 .pf-w{display:block;opacity:0;transform:translateY(40px);
  transition:opacity 1s ease,transform 1.1s cubic-bezier(0.16,1,0.3,1)}
.psc-finale.show .pf-kicker{opacity:1;transform:none}
.psc-finale.show .pf-w{opacity:1;transform:none}
.psc-finale.show .pf-w:nth-child(2){transition-delay:0.12s}

/* collage media placed around the title */
.psc-coll{position:absolute;inset:0;z-index:1;pointer-events:none}
.pcoll{position:absolute;overflow:hidden;border:1px solid rgba(255,255,255,0.12);border-radius:2px;
  box-shadow:0 30px 70px rgba(0,0,0,0.55);opacity:0;pointer-events:none;
  transform:scale(0.82);transition:opacity 1.1s cubic-bezier(0.16,1,0.3,1),transform 1.2s cubic-bezier(0.16,1,0.3,1)}
.pcoll img,.pcoll video{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;-webkit-user-drag:none}
.psc-finale.show .pcoll{opacity:1;transform:none}
/* resize handles — 8 (corners + sides) */
.pc-h{position:absolute;z-index:4;opacity:0;transition:opacity 0.18s}
.pcoll:hover .pc-h{opacity:1}
.pcoll.cropping .pc-h{opacity:0;pointer-events:none}
.pc-h::after{content:'';position:absolute;inset:0;background:var(--lime);border:1px solid rgba(5,7,6,0.6);border-radius:2px}
/* corners */
.pc-nw,.pc-ne,.pc-se,.pc-sw{width:14px;height:14px}
.pc-nw{top:-7px;left:-7px;cursor:nwse-resize}
.pc-ne{top:-7px;right:-7px;cursor:nesw-resize}
.pc-se{bottom:-7px;right:-7px;cursor:nwse-resize}
.pc-sw{bottom:-7px;left:-7px;cursor:nesw-resize}
/* sides */
.pc-n,.pc-s{left:50%;width:30px;height:8px;margin-left:-15px;cursor:ns-resize}
.pc-e,.pc-w{top:50%;width:8px;height:30px;margin-top:-15px;cursor:ew-resize}
.pc-n{top:-4px}.pc-s{bottom:-4px}.pc-e{right:-4px}.pc-w{left:-4px}
.pc-n::after,.pc-s::after{border-radius:4px}
.pc-e::after,.pc-w::after{border-radius:4px}
.psc-finale.show .pcoll:nth-child(1){transition-delay:0.16s}
.psc-finale.show .pcoll:nth-child(2){transition-delay:0.24s}
.psc-finale.show .pcoll:nth-child(3){transition-delay:0.32s}
.psc-finale.show .pcoll:nth-child(4){transition-delay:0.40s}
.psc-finale.show .pcoll:nth-child(5){transition-delay:0.48s}
.psc-finale.show .pcoll:nth-child(6){transition-delay:0.56s}
.psc-finale.show .pcoll:nth-child(7){transition-delay:0.64s}
.psc-finale.show .pcoll:nth-child(8){transition-delay:0.72s}
.psc-finale.show .pcoll:nth-child(9){transition-delay:0.80s}
.psc-finale.show .pcoll:nth-child(10){transition-delay:0.88s}
.psc-finale.show .pcoll:nth-child(11){transition-delay:0.96s}
/* edit hint */
.psc-collhint{position:absolute;left:50%;bottom:1.4rem;transform:translateX(-50%);z-index:8;
  font-family:var(--font-sub);font-size:0.6rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;
  color:rgba(255,255,255,0.6);background:rgba(5,7,6,0.5);backdrop-filter:blur(6px);padding:0.45rem 0.9rem;
  border:1px solid rgba(255,255,255,0.12);border-radius:999px;opacity:0;transition:opacity 0.5s;pointer-events:none;white-space:nowrap}
.psc-finale.show .psc-collhint{opacity:1}
@media(max-width:760px){.psc-collhint{display:none}}

/* ── scroll cue ── */
.psc-cue{position:absolute;left:50%;bottom:clamp(1.4rem,4vh,2.6rem);transform:translateX(-50%);z-index:7;
  display:flex;flex-direction:column;align-items:center;gap:0.55rem;color:rgba(255,255,255,0.82);
  transition:opacity 0.6s ease;pointer-events:none}
.psc-cue span{font-family:var(--font-sub);font-size:0.66rem;font-weight:700;letter-spacing:0.3em;text-transform:uppercase;
  text-shadow:0 2px 14px rgba(0,0,0,0.6)}
.psc-cue .psc-arrow{width:22px;height:22px;border-right:2px solid #fff;border-bottom:2px solid #fff;
  transform:rotate(45deg);animation:pscBob 1.7s ease-in-out infinite;opacity:0.85}
@keyframes pscBob{0%,100%{transform:rotate(45deg) translate(0,0);opacity:0.4}50%{transform:rotate(45deg) translate(3px,3px);opacity:1}}

@media(prefers-reduced-motion:reduce){
  .psc-cue .psc-arrow{animation:none}
}

/* ── mobile ── */
@media(max-width:760px){
  .psc-t2{justify-content:center;text-align:center;align-items:center;padding-bottom:0}
  .psc-t2 .psc-words{align-items:center}
  .pcoll.p5,.pcoll.p6,.pcoll.p7{display:none}
  .pcoll.p1{left:2%;top:9%;width:42vw;height:20vh}
  .pcoll.p2{left:3%;bottom:5%;width:38vw;height:18vh}
  .pcoll.p3{right:2%;top:8%;width:44vw;height:21vh}
  .pcoll.p4{right:3%;bottom:5%;width:40vw;height:19vh}
}