/* =====================================================================
   Going with the flow — Maya Skocilas, Year 12
   Palette: cornflower #6495ED · cobalt #0047AB · azure #007FFF
   ===================================================================== */

:root{
  --cobalt:#0047AB;
  --cobalt-deep:#002D6E;
  --azure:#007FFF;
  --azure-bright:#2B93FF;
  --cornflower:#6495ED;
  --sky:#87CEEB;
  --ice:#DFF6FF;
  --foam:#F4FBFF;
  --navy:#0B1F3A;
  --abyss:#061427;
  --turq:#40E0D0;
  --aqua:#00B8A9;

  --ink:var(--navy);
  --ink-soft:#2F4A6B;

  --display:"Bodoni Moda", "Didot", "Times New Roman", serif;
  --body:"Outfit", "Helvetica Neue", Arial, sans-serif;

  --wrap:1200px;
  --gutter:clamp(1.25rem, 5vw, 4rem);
  --ease:cubic-bezier(.22,.8,.26,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--body);
  font-weight:300;
  font-size:1.05rem;
  line-height:1.65;
  color:var(--ink);
  background:var(--abyss);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,ol,ul,figure{margin:0}
ol,ul{padding:0;list-style:none}
strong{font-weight:500}
::selection{background:var(--azure);color:#fff}

/* ---------- type ---------- */
.display{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(2.6rem, 6vw, 5rem);
  line-height:.98;
  letter-spacing:-.01em;
  text-wrap:balance;
}
.display em{font-style:italic;color:var(--azure)}
.display--sm{font-size:clamp(2rem, 4vw, 3.2rem)}
.display--sm + p{margin-top:25px} /* breathing room between a sub-heading and its first paragraph */
.section--deep .display em,
.section--abyss .display em{color:var(--turq)}

.eyebrow{
  display:inline-block;
  font-weight:500;
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cobalt);
  margin-bottom:1rem;
}
.section--deep .eyebrow,.section--abyss .eyebrow{color:var(--turq)}

.lead{font-size:clamp(1.15rem, 1.6vw, 1.35rem);line-height:1.5;color:var(--ink)}
.lead--light{color:var(--ice)}
p + p{margin-top:1rem}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{position:relative;padding:clamp(5rem, 11vw, 9rem) 0 clamp(8rem, 16vw, 13rem)}
.section--light{background:linear-gradient(180deg,var(--foam) 0%,var(--ice) 100%);color:var(--ink)}
#whales{padding-top:clamp(2.5rem, 5.5vw, 4.5rem)} /* half the usual top space, it follows the hero waves */
.section--deep{background:linear-gradient(180deg,#0A56C2 0%,var(--cobalt) 100%);color:var(--ice)}
.section--deeper{background:linear-gradient(180deg,var(--cobalt) 0%,var(--cobalt-deep) 100%)}
.section--abyss{background:linear-gradient(180deg,var(--navy) 0%,var(--abyss) 100%);color:var(--ice);padding-bottom:0}
.section__head{max-width:780px;margin-bottom:clamp(2.5rem, 6vw, 4.5rem)}
.section__head .lead{margin-top:1.25rem}
.section__head--tight{margin-bottom:2rem}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal--delay{transition-delay:.15s}
.reveal.in{opacity:1;transform:none}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem var(--gutter);
  color:var(--ice);
  transition:padding .4s var(--ease),background .4s,backdrop-filter .4s;
}
.nav.is-scrolled{
  padding:.6rem var(--gutter);
  background:rgba(6,20,39,.55);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.nav__brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:var(--display);font-size:1.25rem;letter-spacing:.01em}
.nav__mark{width:28px;height:17px;fill:var(--turq)}
.nav__links{display:flex;gap:clamp(1rem, 2.4vw, 2.2rem)}
.nav__links a{
  position:relative;text-decoration:none;font-weight:400;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  padding:.3rem 0;opacity:.85;transition:opacity .3s;
}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--turq);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav__links a:hover,.nav__links a.is-active{opacity:1}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1)}
.nav__menu-mark{display:none}
.nav__toggle{display:none;width:44px;height:44px;position:relative;z-index:2}
.nav__toggle span{position:absolute;left:11px;right:11px;height:1.5px;background:currentColor;transition:transform .4s var(--ease),top .4s var(--ease)}
.nav__toggle span:first-child{top:17px}.nav__toggle span:last-child{top:26px}
.nav.is-open .nav__toggle span:first-child{top:21px;transform:rotate(45deg)}
.nav.is-open .nav__toggle span:last-child{top:21px;transform:rotate(-45deg)}

/* ---------- depth gauge ---------- */
.gauge{
  position:fixed;right:1.4rem;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;flex-direction:column;align-items:center;gap:.5rem;
  --g:var(--turq);--g-glow:rgba(64,224,208,.7);
  font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--g);
  opacity:0;transition:opacity .6s,color .4s;
}
.gauge.is-on{opacity:.9}
.gauge.on-light{--g:var(--cobalt);--g-glow:rgba(0,71,171,.35)}
.gauge__track{position:relative;width:1px;height:150px;background:color-mix(in srgb,var(--g) 30%,transparent);transition:background .4s;cursor:pointer}
.gauge__track::before{content:"";position:absolute;inset:-10px -14px}/* wider hit area for the mouse */
.gauge__fill{position:absolute;inset:0 0 auto 0;height:calc(var(--p,0) * 100%);background:var(--g);transition:height .15s linear,background .4s}
.gauge__dot{
  position:absolute;left:50%;top:calc(var(--p,0) * 100%);width:14px;height:14px;border-radius:50%;
  background:var(--g);border:2px solid rgba(255,255,255,.85);transform:translate(-50%,-50%);
  box-shadow:0 0 14px var(--g-glow);transition:top .15s linear,background .4s,transform .25s var(--ease);
  cursor:grab;touch-action:none;user-select:none;outline:none;
}
.gauge__dot:hover,.gauge__dot:focus-visible{transform:translate(-50%,-50%) scale(1.3)}
.gauge__dot:focus-visible{box-shadow:0 0 0 4px rgba(64,224,208,.35),0 0 14px var(--g-glow)}
.gauge.is-dragging{opacity:1}
.gauge.is-dragging .gauge__dot{cursor:grabbing;transform:translate(-50%,-50%) scale(1.3);transition:background .4s}
.gauge.is-dragging .gauge__fill{transition:none}
.gauge__depth{font-variant-numeric:tabular-nums}

/* ---------- photos & placeholders ---------- */
.photo{
  position:relative;overflow:hidden;border-radius:3px;
  background:linear-gradient(135deg,#0A56C2 0%,var(--cornflower) 55%,var(--turq) 130%);
  box-shadow:0 30px 60px -30px rgba(0,45,110,.6);
}
.photo img,.photo video{width:100%;height:100%;object-fit:cover;display:block}
.photo.is-missing img,.photo.is-missing video{display:none}
.photo::before{
  content:"";position:absolute;inset:-20%;opacity:0;pointer-events:none;
  background:
    radial-gradient(40% 50% at 30% 30%,rgba(255,255,255,.35),transparent 70%),
    radial-gradient(30% 40% at 70% 65%,rgba(64,224,208,.5),transparent 70%),
    radial-gradient(50% 60% at 60% 20%,rgba(0,127,255,.5),transparent 70%);
  animation:drift 14s ease-in-out infinite alternate;
}
.photo.is-missing::before{opacity:1}
.photo__label{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  opacity:0;pointer-events:none;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;
  padding:.5rem .9rem;border:1px solid rgba(255,255,255,.5);border-radius:999px;
  background:rgba(6,20,39,.25);white-space:nowrap;
}
.photo.is-missing .photo__label{opacity:.9}
.photo.is-missing .photo__label::before{content:"add images/ "}
.photo--tall{aspect-ratio:4/5}
.photo--wide{aspect-ratio:16/10}
@keyframes drift{from{transform:translate(0,0) rotate(0)}to{transform:translate(6%,4%) rotate(4deg)}}

/* ---------- waves ---------- */
.waves{position:absolute;left:0;right:0;bottom:-1px;height:clamp(60px, 10vw, 140px);overflow:hidden;pointer-events:none}
.waves__layer{position:absolute;bottom:0;left:0;width:200%;height:100%;fill:var(--wave,var(--foam))}
.waves__layer--back{opacity:.35;animation:wave 18s linear infinite}
.waves__layer--mid{opacity:.55;animation:wave 13s linear infinite reverse}
.waves__layer--front{animation:wave 9s linear infinite}
@keyframes wave{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.waves--divider{--wave:#0A56C2}
.waves--to-light{--wave:var(--foam)}
.waves--to-deep{--wave:var(--cobalt)}
.waves--to-abyss{--wave:var(--navy)}
.waves--hero{--wave:var(--foam);height:clamp(70px, 12vw, 160px);z-index:3}

/* ---------- hero ---------- */
.hero{
  /* One composition, scaled: the frame width drives the frame height, the title size
     and every word position, so the words always sit in the same spot over the video.
     The frame is as big as fits: 940px, or the screen width minus the word overhang,
     or the screen height minus the nav and the caption area. */
  --fw:min(940px, calc((100vw - 2.5rem) / 1.42), calc((100vh - 230px) / .936));
  --fh:calc(var(--fw) * .713);               /* frame height */
  --tf:calc(var(--fw) * .186);               /* title font size */
  --fc:calc(50vh - 30px);                    /* frame centre line */
  --ftop:calc(var(--fc) - .52 * var(--fh));  /* frame top edge */
  --fbottom:calc(var(--fc) + .48 * var(--fh));/* frame bottom edge */
  --fl:calc(50% - var(--fw) / 2);            /* frame left edge */
  position:relative;min-height:100svh;overflow:hidden;
  background:radial-gradient(120% 90% at 50% 110%,#0A56C2 0%,var(--cobalt) 45%,var(--cobalt-deep) 100%);
  color:var(--ice);
}
.hero__water{position:absolute;inset:0}
.photo--hero{
  position:absolute;left:50%;top:var(--fc);transform:translate(-50%,-52%);
  width:var(--fw);height:var(--fh);
  box-shadow:0 60px 120px -40px rgba(0,0,0,.6);
  animation:surface 1.6s var(--ease) both;
}
@keyframes surface{from{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-52%) scale(1)}}
.caustics{
  position:absolute;inset:-10%;pointer-events:none;mix-blend-mode:screen;opacity:.5;
  background:
    radial-gradient(35% 45% at 20% 20%,rgba(64,224,208,.45),transparent 70%),
    radial-gradient(45% 35% at 80% 30%,rgba(0,127,255,.5),transparent 70%),
    radial-gradient(40% 50% at 60% 85%,rgba(100,149,237,.5),transparent 70%);
  animation:caustic 16s ease-in-out infinite alternate;
}
@keyframes caustic{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(-3%,2%) scale(1.06)}
  100%{transform:translate(3%,-3%) scale(1.02)}
}
.bubbles{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.bubbles i{
  position:absolute;bottom:-40px;left:var(--x);
  width:var(--s);height:var(--s);border-radius:50%;
  border:1px solid rgba(223,246,255,.55);
  background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.5),rgba(255,255,255,0) 60%);
  animation:rise var(--d) linear infinite;animation-delay:var(--w);opacity:0;
}
@keyframes rise{
  0%{transform:translate(0,0);opacity:0}
  8%{opacity:.8}
  50%{transform:translate(10px,-50vh)}
  100%{transform:translate(-8px,-110vh);opacity:0}
}
.bubbles i:nth-child(1){--x:6%;--s:8px;--d:11s;--w:-2s}
.bubbles i:nth-child(2){--x:12%;--s:14px;--d:15s;--w:-7s}
.bubbles i:nth-child(3){--x:20%;--s:6px;--d:9s;--w:-1s}
.bubbles i:nth-child(4){--x:27%;--s:11px;--d:13s;--w:-9s}
.bubbles i:nth-child(5){--x:35%;--s:7px;--d:10s;--w:-4s}
.bubbles i:nth-child(6){--x:43%;--s:16px;--d:17s;--w:-12s}
.bubbles i:nth-child(7){--x:50%;--s:9px;--d:12s;--w:-6s}
.bubbles i:nth-child(8){--x:58%;--s:5px;--d:8s;--w:-3s}
.bubbles i:nth-child(9){--x:65%;--s:12px;--d:14s;--w:-10s}
.bubbles i:nth-child(10){--x:72%;--s:7px;--d:10s;--w:-5s}
.bubbles i:nth-child(11){--x:80%;--s:15px;--d:16s;--w:-8s}
.bubbles i:nth-child(12){--x:87%;--s:6px;--d:9s;--w:-2s}
.bubbles i:nth-child(13){--x:93%;--s:10px;--d:12s;--w:-11s}
.bubbles i:nth-child(14){--x:97%;--s:8px;--d:11s;--w:-6s}

.hero__title{
  position:absolute;inset:0;z-index:4;margin:0;pointer-events:none;
  font-family:var(--display);font-weight:400;font-size:var(--tf);line-height:.85;
  color:var(--ice);text-shadow:0 10px 40px rgba(0,45,110,.45);
}
.hero__title .w{position:absolute;display:block;opacity:0;transform:translateY(.4em);animation:word 1.2s var(--ease) forwards}
.w--1{top:calc(var(--ftop) - .57em);left:calc(var(--fl) - .2 * var(--fw));animation-delay:.3s}      /* g descender dips into the frame */
.w--2{top:calc(var(--ftop) + .55em);right:calc(var(--fl) - .2 * var(--fw));animation-delay:.55s}
.w--3{top:calc(var(--fbottom) - 1.8em);left:calc(var(--fl) - .236 * var(--fw));animation-delay:.8s}
.w--4{top:calc(var(--fbottom) - .22em);right:calc(var(--fl) - .22 * var(--fw));animation-delay:1.05s} /* f and l ascenders rise over the frame */
@keyframes word{to{opacity:1;transform:none}}

.hero__meta{position:absolute;left:var(--gutter);bottom:clamp(5.5rem, 14vh, 9rem);z-index:4;max-width:none;opacity:0;animation:word 1.2s var(--ease) 1.4s forwards}
.hero__kicker{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--turq);font-weight:500;line-height:1.5}
.hero__by{margin-top:.5rem;font-size:1rem;color:var(--ice);opacity:.9}
.hero__by strong{font-weight:500}

.hero__cue{
  position:absolute;left:0;right:0;margin:0 auto;width:max-content;bottom:clamp(5rem, 13vh, 8.5rem);z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:.3rem;text-decoration:none;
  font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ice);opacity:0;animation:word 1.2s var(--ease) 1.7s forwards;
}
.hero__cue svg{width:20px;height:20px;animation:bob 2.2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ---------- split & stats ---------- */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem, 6vw, 6rem);align-items:center}
.split--reverse{grid-template-columns:.9fr 1.1fr}
.split__media figcaption{margin-top:.75rem;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.section--deep .split__media figcaption{color:var(--sky)}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;
  margin-top:clamp(3rem, 7vw, 5.5rem);padding-top:2.5rem;border-top:1px solid rgba(0,71,171,.2);
}
.stats li{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:.2rem}
.stats__num{font-family:var(--display);font-size:clamp(2.6rem, 4.5vw, 3.8rem);line-height:1;color:var(--cobalt);font-variant-numeric:tabular-nums}
.stats__unit{font-family:var(--display);font-style:italic;font-size:1.5rem;color:var(--azure)}
.stats__label{flex-basis:100%;margin-top:.4rem;font-size:.9rem;color:var(--ink-soft)}

/* ---------- migration ---------- */
.wrap--migration{margin-top:clamp(5rem, 11vw, 9rem)}
.migration{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem, 6vw, 5rem);align-items:center}
.map{width:100%;height:auto;display:block;border-radius:18px;overflow:visible}
.map__land path{fill:var(--ice);opacity:.95;stroke:#fff;stroke-width:.6;stroke-linejoin:round}
.route{stroke-width:2.4;stroke:var(--turq);opacity:.95;filter:url(#glow);
  stroke-dasharray:600;stroke-dashoffset:600;}
.map.is-in .route--east{animation:draw 3s var(--ease) .3s forwards}
.map.is-in .route--west{animation:draw 3s var(--ease) .8s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.pin circle{fill:var(--turq)}
.pin text{font-family:var(--body);font-size:12px;font-weight:500;fill:var(--navy);letter-spacing:.03em;opacity:0;transition:opacity .6s}
.pin--sea text{fill:#fff}
.map.is-in .pin text{opacity:.95}
.pin__ring{fill:none!important;stroke:var(--turq);stroke-width:1.2;opacity:0;transform-origin:center;transform-box:fill-box}
.map.is-in .pin__ring{animation:ring 2.6s ease-out infinite}
@keyframes ring{0%{transform:scale(1);opacity:.9}100%{transform:scale(4);opacity:0}}
.map__whale,.map__calf{fill:#fff;opacity:0} /* the script fades these in and out */
.map__phase text{font-family:var(--body);fill:#fff;opacity:0;transition:opacity .5s}
.map.is-in .map__phase text{opacity:1}
.map__phase-title{font-size:12.5px;font-weight:500;letter-spacing:.03em}
.map__phase-arrow{fill:var(--turq)}
.map__phase-when{font-size:11px;fill:var(--sky);letter-spacing:.06em;text-transform:uppercase}
.map__phase.is-swapping text{opacity:0}

.track{margin-top:clamp(4rem, 9vw, 7rem);display:grid;grid-template-columns:.9fr 2.1fr;gap:clamp(2rem, 5vw, 4rem)}
.track__list{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem 2.5rem}
.track__list li{position:relative;padding-top:1rem;border-top:1px solid rgba(0,71,171,.2)}
.track__mark{display:block;width:26px;height:16px;fill:var(--azure)}
.track__list h4{font-weight:500;font-size:1.15rem;margin:.4rem 0 .5rem;color:var(--ink)}
.track__list p{font-size:.98rem;color:var(--ink-soft)}

/* ---------- calendar ---------- */
.cal{position:relative}
.cal__strip{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:.45rem}
.cal__month{
  --c:rgba(223,246,255,.18);
  position:relative;aspect-ratio:1/1.35;border-radius:8px;
  border:1px solid var(--c);background:rgba(6,20,39,.18);
  font-weight:400;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ice);
  transition:transform .4s var(--ease),background .4s,border-color .4s;
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:.75rem;
  overflow:hidden;
}
.cal__month::before{content:"";position:absolute;inset:auto 0 0 0;height:6px;background:var(--c);transition:height .5s var(--ease)}
.cal__month[data-phase=north]{--c:var(--azure-bright)}
.cal__month[data-phase=peak]{--c:var(--turq)}
.cal__month[data-phase=south]{--c:var(--cornflower)}
.cal__month[data-phase=feed]{--c:rgba(223,246,255,.35)}
.cal__month span{position:relative;z-index:1}
.cal__month:hover{transform:translateY(-4px)}
.cal__month:hover::before{height:35%}
.cal__month[aria-selected=true]{border-color:var(--c);transform:translateY(-6px)}
.cal__month[aria-selected=true]::before{height:100%;opacity:.9}
.cal__month[aria-selected=true][data-phase=peak] span,
.cal__month[aria-selected=true][data-phase=feed] span{color:var(--navy)}
.cal__swimmer{
  position:absolute;top:0;left:0;width:30px;height:19px;z-index:2;pointer-events:none;
  transition:transform .8s var(--ease);
}
.cal__swimmer svg{display:block;width:100%;height:100%;fill:#fff;filter:drop-shadow(0 2px 8px rgba(6,20,39,.55));animation:bob 2.6s ease-in-out infinite}
.cal__legend{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin-top:1.4rem;font-size:.8rem;letter-spacing:.06em;color:var(--sky)}
.phase{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:.5rem;vertical-align:-1px}
.phase--feed{background:rgba(223,246,255,.35)}.phase--north{background:var(--azure-bright)}.phase--peak{background:var(--turq)}.phase--south{background:var(--cornflower)}
.cal__detail{
  margin-top:2.2rem;padding:1.8rem 2rem;border-radius:12px;
  background:rgba(6,20,39,.28);border:1px solid rgba(223,246,255,.12);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  max-width:760px;
}
.cal__where{font-family:var(--display);font-size:clamp(1.5rem, 2.6vw, 2rem);line-height:1.1;color:#fff}
.cal__what{margin-top:.7rem;color:var(--ice);opacity:.9}
.cal__detail.is-swapping p{animation:swap .5s var(--ease)}
@keyframes swap{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- behaviours showcase ---------- */
.show{display:grid;grid-template-columns:.8fr 1.6fr;gap:clamp(2rem, 5vw, 4rem);align-items:stretch}
.show__list{display:flex;flex-direction:column} /* items share the stage's full height */
.show__list li{flex:1;display:flex}
.show__list li{border-top:1px solid rgba(0,71,171,.18)}
.show__list li:last-child{border-bottom:1px solid rgba(0,71,171,.18)}
.show__list button{
  width:100%;display:flex;align-items:center;gap:1rem;padding:1.1rem 0;text-align:left;
  font-family:var(--display);font-size:clamp(1.5rem, 2.4vw, 2.1rem);color:var(--ink-soft);
  transition:color .3s,padding-left .4s var(--ease);
}
.show__mark{flex:none;width:20px;height:12px;fill:var(--azure);align-self:center;transition:transform .4s var(--ease),fill .3s}
.show__list button[aria-selected=true] .show__mark{transform:scale(1.25);fill:var(--aqua)}
.show__list button:hover{color:var(--cobalt)}
.show__list button[aria-selected=true]{color:var(--cobalt);padding-left:.5rem}
.show__list button[aria-selected=true] .show__t{font-style:italic}

.show__stage{position:relative}
.show__frames{position:relative;aspect-ratio:16/9;border-radius:3px 3px 0 0;overflow:hidden}
.show__frame{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity .9s var(--ease),transform 1.4s var(--ease)}
.show__frame.is-active{opacity:1;transform:none}
.show__card{
  position:relative;width:auto; /* directly under the cropped photo, same width */
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:1.8rem 2rem 2.2rem;border-radius:0 0 3px 3px;
  box-shadow:none;
}
.show__panel{display:none}
.show__panel.is-active{display:block;animation:swap .6s var(--ease)}
.show__panel h3{font-family:var(--display);font-size:1.7rem;margin-bottom:.6rem;color:var(--cobalt)}
.show__panel p{font-size:.97rem}
.show__tip{margin-top:.8rem;font-size:.9rem;color:var(--ink-soft)}
.show__progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(0,71,171,.12);overflow:hidden}
.show__progress i{position:absolute;inset:0;background:var(--azure);transform-origin:left;transform:scaleX(0)}
.show.is-auto .show__progress i{animation:progress 7s linear forwards}
@keyframes progress{to{transform:scaleX(1)}}

/* ---------- impact ---------- */
.threats{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:clamp(3rem, 7vw, 5rem)}
.threat{
  padding:2.2rem 2.2rem 2.4rem;border-radius:12px;
  background:rgba(6,20,39,.28);border:1px solid rgba(223,246,255,.12);
  transition:transform .5s var(--ease),border-color .5s;
}
.threat:hover{transform:translateY(-6px);border-color:rgba(64,224,208,.5)}
.threat__mark{display:block;width:28px;height:17px;fill:var(--turq)}
.threat h3{font-family:var(--display);font-size:1.9rem;margin:.5rem 0 .8rem;color:#fff}
.threat p{color:var(--ice);opacity:.9}

.ethics{display:grid;grid-template-columns:.9fr 1.3fr;gap:clamp(2rem, 6vw, 6rem);margin-top:clamp(4rem, 9vw, 7rem);align-items:start}
.ethics__intro p{margin-top:1rem;color:var(--ice);opacity:.9}
.rules li{
  position:relative;display:grid;grid-template-columns:7.5rem 1fr;gap:1.5rem;align-items:center;
  padding:1.3rem 1rem;margin:0 -1rem;border-top:1px solid rgba(223,246,255,.15);border-radius:10px;
  transition:background .4s,transform .4s var(--ease);
}
.rules li::before{content:"";position:absolute;left:0;top:1rem;bottom:1rem;width:3px;border-radius:3px;background:var(--turq);transform:scaleY(0);transition:transform .4s var(--ease)}
.rules li:hover{background:rgba(64,224,208,.08);transform:translateX(6px)}
.rules li:hover::before{transform:scaleY(1)}
.rules li:hover .rules__big{color:#fff;text-shadow:0 0 18px rgba(64,224,208,.6)}
.rules li:hover span:last-child{opacity:1}
.rules li:last-child{border-bottom:1px solid rgba(223,246,255,.15)}
.rules__big{font-family:var(--display);font-size:2.4rem;line-height:1;color:var(--turq);transition:color .4s,text-shadow .4s}
.rules__big small{font-size:1.1rem;font-style:italic;margin-left:.1em}
.rules span:last-child{color:var(--ice);opacity:.92;font-size:.98rem;transition:opacity .4s}

#places{margin-top:clamp(5rem, 11vw, 8rem)}
.places{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.place{
  position:relative;padding:1.8rem 1.6rem 1.6rem;border-radius:12px;overflow:hidden;
  background:rgba(6,20,39,.28);border:1px solid rgba(223,246,255,.12);
  transition:transform .5s var(--ease),border-color .5s;
}
.place::after{content:"";position:absolute;inset:auto -30% -60% auto;width:70%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(64,224,208,.35),transparent 65%);opacity:0;transition:opacity .6s}
.place:hover{transform:translateY(-6px);border-color:rgba(64,224,208,.5)}
.place:hover::after{opacity:1}
.place__state{font-size:.7rem;letter-spacing:.2em;color:var(--turq);font-weight:500}
.place h4{font-family:var(--display);font-size:1.6rem;margin:.4rem 0 .6rem;color:#fff}
.place p{font-size:.93rem;color:var(--ice);opacity:.88}
.place__when{display:inline-block;margin-top:1rem;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sky)}

/* ---------- sources & footer ---------- */
.sources{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem, 6vw, 6rem)}
.biblio{margin-top:1.5rem;counter-reset:ref;color:var(--ice)}
.biblio li{position:relative;padding:.9rem 0 .9rem 2.6rem;border-top:1px solid rgba(223,246,255,.12);font-size:.95rem;opacity:.9}
.biblio li::before{counter-increment:ref;content:counter(ref,decimal-leading-zero);position:absolute;left:0;top:.95rem;font-family:var(--display);font-style:italic;color:var(--turq)}
.sources p{margin-top:1.2rem;color:var(--ice);opacity:.9}
.sources p + p{margin-top:.8rem}
.todo{color:var(--turq);font-style:italic}
.footer{
  margin-top:clamp(5rem, 10vw, 8rem);padding:3rem var(--gutter) 2.5rem;
  display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center;
  border-top:1px solid rgba(223,246,255,.1);font-size:.85rem;letter-spacing:.06em;color:var(--sky);
}
.footer__mark{width:40px;height:24px;fill:var(--turq);animation:bob 3s ease-in-out infinite}
.footer__up{text-decoration:none;font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ice);opacity:.8}
.footer__up:hover{opacity:1}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .track{grid-template-columns:1fr}
  .places{grid-template-columns:repeat(2,1fr)}
  .show{grid-template-columns:1fr}
  .show__list{display:flex;flex-direction:row;flex-wrap:wrap;gap:0 1.5rem}
  .show__list li{flex:none;display:block}
  .show__list li,.show__list li:last-child{border:0}
  .show__list button{padding:.4rem 0;font-size:1.4rem}
  .show__list button[aria-selected=true]{padding-left:0}
  .show__card{left:0;width:100%;position:relative;margin-top:0;margin-left:0}
  .show__stage{padding-bottom:0}
}
@media (max-width:760px){
  .nav__toggle{display:block}
  .nav__links{
    position:fixed;inset:0;flex-direction:column;justify-content:center;align-items:center;gap:1.6rem;
    background:rgba(6,20,39,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    opacity:0;pointer-events:none;transition:opacity .4s;
  }
  .nav__links{top:0;left:0;width:100vw;height:100dvh}
  .nav__menu-mark{display:block;width:56px;height:34px;fill:var(--turq);margin-bottom:1.2rem;opacity:0;transform:translateY(10px);transition:opacity .5s .15s,transform .5s var(--ease) .15s}
  .nav.is-open .nav__menu-mark{opacity:1;transform:none;animation:bob 2.4s ease-in-out .7s infinite} /* gentle bounce once it has risen in */
  .nav__links a{font-size:1rem}
  .nav.is-open{background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}
  .nav.is-open .nav__links{opacity:1;pointer-events:auto}
  .gauge{display:none}

  /* phones: the brand name waits until the big "Going" has scrolled past */
  .nav__brand span{opacity:0;transform:translateY(6px);transition:opacity .4s,transform .4s var(--ease)}
  .nav.is-past-title .nav__brand span{opacity:1;transform:none}
  /* phones: the video runs edge to edge from the top, the words sit over it */
  .hero{--fw:100vw;--fh:calc(62svh + 30px);--tf:calc(100vw * .19);--wtop:calc(64px + 4svh);--wstep:12svh}
  /* the video fills the whole hero behind the waves; the words keep their positions from --fh */
  .photo--hero{left:0;top:0;transform:none;animation:none;width:100vw;height:100%;border-radius:0;box-shadow:none}
  .photo--hero::after{content:"";position:absolute;inset:auto 0 0 0;height:45%;background:linear-gradient(180deg,rgba(0,45,110,0) 0%,rgba(0,45,110,.75) 70%,rgba(0,45,110,.9) 100%);pointer-events:none}
  /* the four words step down the screen at an even spacing */
  .hero__title .w--1{top:var(--wtop);left:5vw;right:auto}
  .hero__title .w--2{top:calc(var(--wtop) + var(--wstep));right:5vw;left:auto}
  .hero__title .w--3{top:calc(var(--wtop) + 2 * var(--wstep));left:4vw;right:auto}
  .hero__title .w--4{top:calc(var(--wtop) + 3 * var(--wstep));right:5vw;left:auto}
  /* the subtitle hangs a fixed 68px below "flow", whatever the phone's height */
  .hero__meta{top:calc(var(--wtop) + 3 * var(--wstep) + .85 * var(--tf) + 68px);bottom:auto;left:var(--gutter);right:var(--gutter);max-width:none;text-align:center}
  .hero__cue{bottom:calc(3.5rem + 20px)}
  .hero__kicker{font-size:.82rem}
  .hero__by{font-size:1.12rem;margin-top:.6rem}

  .split,.split--reverse,.migration,.ethics,.sources{grid-template-columns:1fr}
  .split__media{order:-1}
  .track__list{grid-template-columns:1fr}
  .stats{gap:1.5rem}
  .cal__strip{grid-template-columns:repeat(6,1fr);gap:.4rem}
  .cal__month{font-size:.75rem;aspect-ratio:1/1.2}
  .cal__detail{padding:1.4rem 1.3rem}
  .show__progress{top:0;bottom:auto} /* phones: progress bar across the top of the card */
  .threats,.places{grid-template-columns:1fr}
  .rules li{grid-template-columns:5.5rem 1fr;gap:1rem}
  .rules__big{font-size:1.9rem}
  .threat{padding:1.7rem 1.5rem}
}

/* ---------- password gate ---------- */
body.is-locked{overflow:hidden}
.gate{
  position:fixed;inset:0;z-index:100;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 110%,#0A56C2 0%,var(--cobalt) 45%,var(--cobalt-deep) 100%);
  color:var(--ice);text-align:center;padding:var(--gutter);
  transition:opacity .9s var(--ease),visibility 0s linear .9s;
}
.gate.is-open{opacity:0;visibility:hidden;pointer-events:none}
.gate__video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.gate__inner{position:relative;max-width:560px;width:100%;animation:word 1.2s var(--ease) .2s both}
.gate__mark{width:44px;height:27px;fill:var(--turq);margin-bottom:1.4rem}
.gate__title{font-family:var(--display);font-weight:400;font-size:clamp(2.4rem, 6.5vw, 4.6rem);line-height:1;white-space:nowrap;text-shadow:0 10px 40px rgba(0,45,110,.5)}
.gate__sub{margin-top:1rem;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--turq);font-weight:500}
.gate__form{margin-top:2.4rem}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.gate__input::placeholder{color:rgba(223,246,255,.7);letter-spacing:.2em;text-transform:uppercase;font-size:.8rem}
.gate__row{display:flex;gap:.5rem;max-width:380px;margin:0 auto}
.gate__input{
  flex:1;min-width:0;padding:.85rem 1.1rem;font:inherit;font-size:1rem;letter-spacing:.2em;color:#fff;text-align:center;
  background:rgba(6,20,39,.35);border:1px solid rgba(223,246,255,.35);border-radius:999px;outline:none;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:border-color .3s,box-shadow .3s;
}
.gate__input:focus{border-color:var(--turq);box-shadow:0 0 0 3px rgba(64,224,208,.25)}
.gate__btn{
  padding:.85rem 1.5rem;border-radius:999px;font-weight:500;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;
  background:var(--azure);color:#fff;transition:background .3s,transform .3s var(--ease);
}
.gate__btn:hover{background:var(--azure-bright);transform:translateY(-1px)}
.gate__error{min-height:1.4em;margin-top:.9rem;font-size:.85rem;color:#FFD2D2}
.gate.is-wrong .gate__row{animation:shake .5s var(--ease)}
@keyframes shake{0%,100%{transform:none}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}
@media (max-width:480px){.gate__title{white-space:normal}.gate__row{flex-direction:column}}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
  .hero__title .w,.hero__meta,.hero__cue{opacity:1;transform:none}
  .route{stroke-dashoffset:0}
  .map__whale{opacity:.95}
  .pin text{opacity:.95}
}