:root{
  --night:#05030f; --ink:#f6efe0; --mute:#cfd3e0;
  --moss:#7fb069; --sea:#4fa3a5; --sun:#f4c04a; --clay:#d9825b; --sky:#7fb2e5; --berry:#c46a86;
  --paper:#f1e8d2; --paper-ink:#1c2a22;
  --feel:#8ec5ff;
  --display:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --body:ui-rounded,"SF Pro Rounded",Nunito,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  --grain:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
/* who is diving: the accent follows the person */
:root[data-role="leader"]{--feel:#ffb38a}
:root[data-role="civic"]{--feel:#7fd8c0}
:root[data-role="entrepreneur"]{--feel:#f2a7c3}
:root[data-role="student"]{--feel:#8ec5ff}
:root[data-role="researcher"]{--feel:#c9b8d9}
:root[data-role="analyst"]{--feel:#a9e0a0}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--night)}
body{margin:0;background:var(--night);color:var(--ink);font:400 1.0625rem/1.65 var(--body);overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;background:var(--grain);opacity:.04;z-index:60}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:500;margin:0}
p{margin:0 0 1.1em}
.skip{position:absolute;left:-999px;top:8px;background:var(--sun);color:#2a1a00;padding:10px 14px;border-radius:10px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:6px}

/* ───── the world behind everything: nine climates ───── */
.biome{position:fixed;inset:0;z-index:0;background:var(--night)}
.biome div{position:absolute;inset:0;opacity:0;transition:opacity 2s ease}
.biome .b-cosmos{background:radial-gradient(80% 60% at 72% 28%,#2a1458 0,#120a2e 46%,#05030f 100%)}
.biome .b-sky{background:linear-gradient(#0a1a46 0,#15407a 58%,#2b6cb0 100%)}
.biome .b-canopy{background:radial-gradient(70% 50% at 30% 22%,#1f6e31 0,#0f4a26 48%,#06250f 100%)}
.biome .b-storm{background:radial-gradient(90% 55% at 50% 0%,#6b4a2e 0,#3a2a24 38%,#15151b 100%)}
.biome .b-mud{background:linear-gradient(#2b1a0b 0,#4a2d14 52%,#1e120a 100%)}
.biome .b-drop{background:linear-gradient(#0a4a63 0,#05293d 45%,#020f18 100%)}
.biome .b-lagoon{background:linear-gradient(#0e7f8f 0,#0a5f70 50%,#083a48 100%)}
.biome .b-water{background:linear-gradient(#0b4f6e 0,#083a5a 50%,#031e33 100%)}
.biome .b-deep{background:radial-gradient(70% 60% at 50% 100%,#2a1458 0,#0a0620 52%,#02020a 100%)}
html[data-biome="cosmos"] .b-cosmos,html[data-biome="sky"] .b-sky,html[data-biome="canopy"] .b-canopy,html[data-biome="storm"] .b-storm,
html[data-biome="mud"] .b-mud,html[data-biome="drop"] .b-drop,html[data-biome="lagoon"] .b-lagoon,html[data-biome="water"] .b-water,html[data-biome="deep"] .b-deep{opacity:1}
#cosmos,#life,.rays,.flash{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
#life{z-index:1}
/* light through water: god-rays that sweep slowly; strength is the climate's */
.rays{opacity:0;transition:opacity 2s ease;mix-blend-mode:screen;
  background:
    linear-gradient(104deg,transparent 0 18%,rgba(255,255,255,.16) 21%,transparent 24%,transparent 38%,rgba(255,255,255,.12) 41%,transparent 45%,transparent 61%,rgba(255,255,255,.2) 64%,transparent 68%,transparent 84%,rgba(255,255,255,.1) 87%,transparent 90%),
    radial-gradient(60% 50% at 50% -10%,rgba(255,255,255,.25),transparent 70%);
  background-size:160% 100%,100% 100%;animation:rays 18s ease-in-out infinite alternate;
  -webkit-mask-image:linear-gradient(#000 0,transparent 92%);mask-image:linear-gradient(#000 0,transparent 92%)}
@keyframes rays{to{background-position:100% 0,0 0}}
html[data-biome="sky"] .rays{opacity:.5}
html[data-biome="canopy"] .rays{opacity:.35}
html[data-biome="storm"] .rays{opacity:.12}
html[data-biome="mud"] .rays{opacity:.18}
html[data-biome="drop"] .rays{opacity:.55}
html[data-biome="lagoon"] .rays{opacity:.7}
html[data-biome="water"] .rays{opacity:.5}
html[data-biome="deep"] .rays{opacity:.1}
/* lightning in the storm */
.flash{z-index:1;background:radial-gradient(70% 40% at 60% 0%,rgba(255,244,214,.9),rgba(255,244,214,.25) 50%,transparent 80%);opacity:0}
html[data-biome="storm"] .flash{animation:bolt 11s linear infinite}
@keyframes bolt{0%,28%,100%{opacity:0}28.6%{opacity:.75}29.2%{opacity:.05}30%{opacity:.5}30.8%{opacity:0}71%{opacity:0}71.5%{opacity:.6}72.3%{opacity:0}}

.spine{position:fixed;left:-34px;top:0;width:170px;filter:drop-shadow(0 0 7px rgba(255,160,150,.28));height:100dvh;z-index:1;pointer-events:none;overflow:visible;--base:.38;--pg:0;opacity:calc(var(--base) + var(--pg)*.5);transform-origin:50% 100%;animation:sway 9s ease-in-out infinite alternate}
@keyframes sway{from{transform:rotate(-1.1deg)}to{transform:rotate(1.1deg)}}
.spine .floor{fill:rgba(246,239,224,.12)}
.spine .seg{fill:none;stroke:#efe6d6;stroke-linecap:round;stroke-linejoin:round;opacity:.92;transition:stroke-dashoffset 1.4s var(--ease),stroke 1.6s}
.spine path.d0{stroke-width:11;stroke:#d7b89a}.spine path.d1{stroke-width:8}.spine path.d2{stroke-width:6}.spine path.d3{stroke-width:4.4}.spine path.d4{stroke-width:3.2}.spine path.d5{stroke-width:2.4}
.spine .seg.on{stroke-dashoffset:0!important}
.spine .knot,.spine .polyp,.spine .boss{fill:#efe6d6;transform-box:fill-box;transform-origin:center;transform:scale(0);transition:transform 1s var(--ease),fill 1.6s}
.spine .boss{opacity:.55}
.spine .knot.on,.spine .boss.on{transform:scale(1)}
.spine .polyp.on{transform:scale(1)}
.spine.bloom .polyp.on{animation:polyp 2.6s ease-in-out infinite alternate}
@keyframes polyp{to{transform:scale(1.5);opacity:.7}}
@media (min-width:1200px){.spine{--base:.62;left:-18px}}
@media (max-width:767px){.spine{width:96px;left:-40px;--base:.26}}
main,.top,.foot,.join-fab,.stitch{position:relative;z-index:2}

/* header */
.top{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:8px 16px 8px 28px;background:rgba(5,3,15,.5);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.brand{display:inline-flex;align-items:center;gap:.5em;min-height:44px;text-decoration:none;font:700 .95rem/1 var(--body);letter-spacing:.14em}
.brand-mark{color:var(--sun)}
.nav{display:none}
.nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:0 11px;text-decoration:none;font-size:.88rem;color:var(--mute);transition:color .2s}
.nav a:hover{color:var(--ink)}

/* type + shared */
.eyebrow{font:600 .78rem/1.4 var(--body);letter-spacing:.18em;text-transform:uppercase;color:var(--feel);margin:0 0 1.1rem}
.voice{font:italic 400 clamp(1.15rem,3.6vw,1.55rem)/1.35 var(--display);color:var(--feel);margin:0 0 1.4rem}
h2{font-size:clamp(1.85rem,5.6vw,3.2rem);line-height:1.14;letter-spacing:-.005em;margin-bottom:1.3rem;text-shadow:0 2px 24px rgba(0,0,0,.45)}
h2 em{font-style:italic;color:var(--feel)}
h2.big{font-size:clamp(2rem,6.4vw,3.8rem)}
.sub{font:400 clamp(1.1rem,3.2vw,1.45rem)/1.35 var(--display);font-style:italic;color:var(--mute);margin:-.4rem 0 1.4rem}
.quiet{color:var(--mute)}
.hi{font-style:italic;color:var(--feel)}
.lede{font-size:clamp(1.05rem,2.6vw,1.2rem);color:rgba(246,239,224,.9);max-width:34rem}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.center{text-align:center}
.center .lede{margin-inline:auto}
.sec{position:relative;padding:110px 0 120px}
.sec p,.sec .lede{text-shadow:0 1px 14px rgba(0,0,0,.4)}
.depth{position:absolute;left:16px;right:200px;bottom:16px;margin:0;font:600 .68rem/1.4 var(--body);letter-spacing:.16em;text-transform:uppercase;color:rgba(246,239,224,.5);z-index:3}
.depth span{color:var(--feel);margin-right:.7em}
@media(max-width:599px){.depth{right:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:0 26px;border:0;border-radius:999px;font:700 1rem/1 var(--body);text-decoration:none;cursor:pointer;background:var(--sun);color:#2a1a00;box-shadow:0 10px 28px rgba(244,192,74,.22);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(244,192,74,.32)}
.btn-cream{background:var(--ink);color:#14201a;box-shadow:none}
.btn-cream:hover{box-shadow:0 12px 30px rgba(246,239,224,.18)}
.btn-quiet{background:transparent;color:var(--ink);border:1.5px solid rgba(246,239,224,.45);box-shadow:none}
.btn-quiet:hover{border-color:var(--ink);box-shadow:none}
.btn-sun{padding:0 30px}
.btn.sm{min-height:44px;padding:0 16px;font-size:.88rem}

.paper{position:relative;background:var(--paper);color:var(--paper-ink);border-radius:22px;border:1px solid rgba(28,42,34,.14);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.paper::before{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--grain);opacity:.1;mix-blend-mode:multiply;pointer-events:none}
.paper p,.paper .lede{text-shadow:none}
.glass{border-radius:22px;background:rgba(246,239,224,.07);border:1px solid rgba(246,239,224,.16);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}

/* reveal */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* section dressings — the living things drawn into the margins */
.dress{position:absolute;left:0;width:100%;pointer-events:none;z-index:0}
.canopy-top{top:0;height:120px}
.leafline{fill:none;stroke:rgba(140,220,120,.5);stroke-width:1.6;stroke-dasharray:1900;stroke-dashoffset:1900;transition:stroke-dashoffset 3s var(--ease)}
.leafline.two{stroke:rgba(244,192,74,.28);transition-delay:.4s}
.sec.in .leafline{stroke-dashoffset:0}
.roots{top:0;height:200px}
.rootlines path{fill:none;stroke:rgba(222,180,120,.42);stroke-width:1.6;stroke-linecap:round;stroke-dasharray:420;stroke-dashoffset:420;transition:stroke-dashoffset 2.6s var(--ease)}
.rootlines path:nth-child(2n){transition-delay:.3s}
.rootlines path:nth-child(3n){transition-delay:.6s}
.sec.in .rootlines path{stroke-dashoffset:0}
.waves{top:-1px;height:90px}
.wv{fill:rgba(79,163,165,.22)}
.wv.b{fill:rgba(79,163,165,.14);animation:sway 9s ease-in-out infinite alternate}
.wv.a{animation:sway 7s ease-in-out infinite alternate-reverse}
@keyframes sway{to{transform:translateX(-40px)}}
.coral{bottom:0;height:170px}
.kelp path{fill:none;stroke:rgba(127,176,105,.55);stroke-width:3;stroke-linecap:round;transform-origin:50% 100%;animation:kelp 6s ease-in-out infinite alternate}
.kelp path:nth-child(2){animation-delay:-2s}.kelp path:nth-child(3){animation-delay:-4s}
@keyframes kelp{to{transform:skewX(4deg)}}
.polyps path{fill:rgba(217,130,91,.26);transform-origin:50% 100%;transform:scaleY(0);transition:transform 1.6s var(--ease)}
.polyps path:nth-child(2n){fill:rgba(196,106,134,.24);transition-delay:.25s}
.polyps path:nth-child(3n){fill:rgba(244,192,74,.18);transition-delay:.5s}
.sec.in .polyps path{transform:scaleY(1)}

/* ───── hero: the cosmos ───── */
.hero{position:relative;overflow:hidden;min-height:100dvh;padding:462px 16px 56px}
.where{position:absolute;margin:0;font:500 .74rem/1.5 var(--body);letter-spacing:.03em;color:rgba(246,239,224,.62);text-align:center;transform:translateX(-50%);width:min(92vw,560px);z-index:3;pointer-events:none}
.where b{color:var(--sun);font-weight:600}
.where i{font-style:normal;opacity:.75}
.hero canvas,.hero .globefb{position:absolute;left:0;top:0;pointer-events:none}
#globe,#arcs{width:100%;height:100%}
#globe{opacity:0;transition:opacity 1.6s ease}
.hero.glready #globe{opacity:1}
.globefb{display:none;border-radius:50%;--d:300px;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.2),transparent 42%),radial-gradient(circle at 72% 72%,rgba(0,0,10,.7),transparent 68%),url(assets/earth-day.jpg) 0 50%/200% 100% repeat-x;
  box-shadow:0 0 70px 10px rgba(90,150,255,.35),inset -24px -14px 60px rgba(0,0,20,.75);
  animation:fbspin 150s linear infinite}
@keyframes fbspin{to{background-position:0 0,0 0,calc(var(--d) * -2) 50%}}
.hero.nogl .globefb{display:block}
.hero-copy{position:relative;z-index:2;max-width:600px;margin-inline:auto}
.hero h1{font-size:clamp(2.1rem,8.4vw,4.4rem);line-height:1.12;letter-spacing:-.01em;margin-bottom:1.5rem;text-shadow:0 2px 26px rgba(0,0,0,.7)}
.hero h1 span{display:block}
.hero h1 .l3{color:var(--sun);font-style:italic;margin-top:.12em}
.hero .eyebrow,.hero .lede{text-shadow:0 1px 14px rgba(0,0,0,.7)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6rem}

/* who are you? the funnel, asked like a reef would ask it */
.pick{position:relative;z-index:2;max-width:600px;margin:2.2rem auto 0}
.pick-q{font:600 .8rem/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 .8rem}
.pick-row{display:flex;flex-wrap:wrap;gap:8px}
.pick-row button{display:inline-flex;align-items:center;gap:.55em;min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid rgba(246,239,224,.3);background:rgba(5,3,15,.45);color:var(--ink);font:600 .92rem/1 var(--body);cursor:pointer;transition:background .25s,transform .25s var(--ease),border-color .25s;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.pick-row button i{width:.7em;height:.7em;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c);flex:none}
.pick-row button:hover{transform:translateY(-3px) rotate(-1.5deg) scale(1.04);border-color:var(--c)}
.pick-row button[aria-pressed="true"]{background:var(--ink);color:#14201a;border-color:var(--ink)}
.pick-line{font:italic 400 1.15rem/1.45 var(--display);color:var(--feel);min-height:4.4em;margin:1rem 0 0;text-shadow:0 1px 14px rgba(0,0,0,.7)}

/* ───── surface ───── */
.split{display:grid;gap:40px;align-items:center}
.web-wrap{max-width:440px;margin-inline:auto;width:100%}
#web{width:100%;height:auto;overflow:visible}
#web .e{stroke:rgba(246,239,224,.3);stroke-width:1.4;fill:none;stroke-dasharray:3 7;animation:flow 6s linear infinite}
#web .n{filter:drop-shadow(0 0 8px rgba(255,255,255,.35))}
#web text{fill:var(--ink);font:700 11px/1 var(--body);letter-spacing:.12em;text-anchor:middle}
@keyframes flow{to{stroke-dashoffset:-60}}
.support{margin-top:64px;padding:26px 20px 28px}
.support h3{font-size:clamp(1.5rem,4.6vw,2.1rem);line-height:1.2;margin:0 0 .6rem}
.support>p{color:#33453a;max-width:44rem}
.support .pick-q{color:#24492f;margin-top:1.2rem}
.gifts button{min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid rgba(28,42,34,.4);background:transparent;color:var(--paper-ink);font:600 .92rem/1 var(--body);cursor:pointer;transition:background .2s,color .2s,transform .25s var(--ease)}
.gifts button:hover{transform:translateY(-3px) rotate(-1deg)}
.gifts button[aria-pressed="true"]{background:#1c2a22;color:var(--paper);border-color:#1c2a22}
.steps{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:10px}
.steps li{display:flex;flex-direction:column;gap:.2rem;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.35);border:1px solid rgba(28,42,34,.14)}
.steps b{font:700 .78rem/1.3 var(--body);letter-spacing:.14em;text-transform:uppercase;color:#24492f}
.steps i{font-style:normal;font-size:.95rem;line-height:1.4;color:#33453a}
.support .cta-row{margin-top:1.4rem}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
.numbers{padding-top:0;margin-top:-40px}
.numbers .eyebrow.center{text-align:center;margin-bottom:0}
.senses{margin-top:64px;padding:26px 20px 24px}
.senses-title{font:600 .8rem/1.4 var(--body);letter-spacing:.14em;text-transform:uppercase;margin:0 0 1rem;color:#24492f}
.sense-body{font:italic 400 clamp(1.25rem,3.8vw,1.8rem)/1.4 var(--display);margin:1.1rem 0 0;min-height:4.4em}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tabs button{min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(246,239,224,.35);background:rgba(5,3,15,.3);color:var(--ink);font:600 .95rem/1 var(--body);cursor:pointer;transition:background .2s,color .2s,transform .25s var(--ease)}
.tabs button:hover{transform:translateY(-3px) rotate(-1deg)}
.tabs button[aria-selected="true"]{background:var(--ink);color:#14201a;border-color:var(--ink)}
.senses .tabs button{border-color:rgba(28,42,34,.4);color:var(--paper-ink);background:transparent}
.senses .tabs button[aria-selected="true"]{background:#1c2a22;color:var(--paper);border-color:#1c2a22}

/* ───── canopy ───── */
.head{max-width:44rem;margin-bottom:40px}
.head.center{margin-inline:auto;text-align:center}
.const{display:grid;gap:28px;align-items:start}
#const{width:100%;height:auto;max-width:620px;margin-inline:auto;overflow:visible}
#const .edge{stroke:rgba(246,239,224,.22);stroke-width:1.2;transition:stroke .3s,stroke-width .3s}
#const .edge.on{stroke:var(--feel);stroke-width:2.4}
#const .node{cursor:pointer;transition:opacity .3s}
#const .node.dim{opacity:.3}
#const .node.hi{opacity:1}
#const .node .hit{fill:transparent}
#const .node .dot{stroke:rgba(5,3,15,.55);stroke-width:2;transition:transform .3s var(--ease),stroke .3s;transform-box:fill-box;transform-origin:center}
#const .node.hi .dot{stroke:var(--feel);stroke-width:4}
#const .node:hover .dot,#const .node.sel .dot{transform:scale(1.18)}
#const .node.sel .dot{stroke:var(--ink);stroke-width:3}
#const text{fill:#0b1510;font:800 13px/1 var(--body);text-anchor:middle;dominant-baseline:central;pointer-events:none}
.js .const.reveal .node{opacity:0;transition:opacity .6s var(--ease)}
.js .const.reveal.in .node{opacity:1}
.js .const.reveal.in .node.dim{opacity:.3}
.panel{padding:24px 22px}
.kicker{font:700 .78rem/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:#3e5a3a;margin:0 0 .7rem}
.panel h3{font-size:clamp(1.5rem,4.6vw,2rem);line-height:1.2;margin-bottom:.8rem}
.you{font:italic 400 1rem/1.4 var(--display);color:#3e5a3a;margin:0}
.you:empty{display:none}
.chips{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips button{min-height:44px;padding:0 14px;border-radius:999px;border:1.5px solid rgba(28,42,34,.35);background:rgba(255,255,255,.4);color:var(--paper-ink);font:600 .85rem/1.2 var(--body);cursor:pointer;text-align:left;transition:background .2s}
.chips button:hover{background:rgba(255,255,255,.8)}
.chips button.sel{background:var(--paper-ink);color:var(--paper);border-color:var(--paper-ink)}
.chips button.far{opacity:.55}

/* ───── the storm: the human factor ───── */
.storm .eyebrow,.storm .voice{color:#ffd9a8}
.storm h2 em{color:#ffd9a8}
.bleach{margin-top:8px}
.bleach-q{font:italic 400 clamp(1.05rem,3vw,1.3rem)/1.45 var(--display);color:var(--mute);max-width:40rem;margin-bottom:1rem}
#bleachsvg{width:100%;height:clamp(150px,30vw,230px);border-radius:22px;background:rgba(0,0,0,.25);cursor:crosshair;touch-action:none}
#bleachsvg .pl{fill:#d9d2c7;opacity:.55;transition:fill 1.2s var(--ease),opacity 1.2s;transform-box:fill-box;transform-origin:50% 100%}
#bleachsvg .pl.on{opacity:1;animation:bloom 1.1s var(--ease)}
#bleachsvg .pl.mine{stroke:var(--feel);stroke-width:3;opacity:.8}
.bleach-note{font:italic 400 1.05rem/1.45 var(--display);color:#ffd9a8;margin:.9rem 0 .4rem;min-height:3em}
.bleach-goals{list-style:none;margin:0 0 .8rem;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.bleach-goals li{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font:800 .7rem/1 var(--body);color:#0b1510;background:#d9d2c7;opacity:.35;transition:opacity .6s,transform .4s var(--ease)}
.bleach-goals li.on{opacity:1;transform:scale(1.12);box-shadow:0 0 10px currentColor}
.bleach-next[hidden]{display:none}
@keyframes bloom{0%{transform:scaleY(.92)}50%{transform:scaleY(1.08)}100%{transform:scaleY(1)}}
#bleachsvg .sand{fill:rgba(255,236,200,.1)}
.bleach-read{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:1rem;font:600 .85rem/1.4 var(--body);letter-spacing:.08em;color:var(--mute)}

/* ───── roots & mud ───── */
.reef{padding-top:180px}
.reef .eyebrow,.reef .voice{color:#f0c98a}
.scales{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.scales li{display:flex;flex-direction:column;gap:.35rem;padding:18px 16px 20px;overflow-wrap:anywhere;transition:transform .35s var(--ease),opacity .7s var(--ease)}
.js .scales.reveal li{opacity:0;transform:translateY(16px) scale(.96)}
.js .scales.reveal.in li{opacity:1;transform:none}
.scales li:nth-child(2){transition-delay:.08s}.scales li:nth-child(3){transition-delay:.16s}.scales li:nth-child(4){transition-delay:.24s}.scales li:nth-child(5){transition-delay:.32s}.scales li:nth-child(6){transition-delay:.4s}
.scales li:hover{transform:translateY(-4px) rotate(-.4deg)}
.scales span{font:700 .78rem/1 var(--body);letter-spacing:.18em;color:#4d5f4f}
.scales b{font:500 clamp(1.15rem,4.6vw,1.6rem)/1.2 var(--display)}
.scales i{font-style:normal;font-size:.92rem;line-height:1.4;color:#33453a}

.stats{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.stats li{display:flex;flex-direction:column;gap:.4rem;padding:22px 18px;border-radius:22px;background:rgba(246,239,224,.07);border:1px solid rgba(246,239,224,.16);color:var(--ink);overflow-wrap:anywhere;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.stats b{font:500 clamp(2rem,9vw,3.4rem)/1.05 var(--display);color:var(--ink);letter-spacing:-.01em}
.stats li>span{font-size:.95rem;line-height:1.4;color:var(--mute)}
.stats .feature{grid-column:1/-1;background:rgba(246,239,224,.11)}
.stats .feature b{font-size:clamp(3.2rem,16vw,5.6rem);color:var(--feel)}
@media (min-width:768px){.stats{grid-template-columns:1.15fr 1fr 1fr;gap:16px}.stats .feature{grid-column:1;grid-row:1/3;justify-content:center}.stats li{padding:28px 24px}}

/* ───── the drop-off: data becomes a reef ───── */
.calc .eyebrow,.calc .voice{color:#9fe3ff}
.calcwrap{position:relative;max-width:900px;margin-inline:auto}
#calc{width:100%;height:clamp(300px,62vh,520px);border-radius:22px;background:linear-gradient(rgba(2,20,36,.2),rgba(2,20,36,.65));box-shadow:0 20px 50px rgba(0,0,0,.4),inset 0 0 80px rgba(0,0,0,.35)}
.calc-cap{position:absolute;left:18px;top:14px;margin:0;font:italic 400 1.15rem/1.3 var(--display);color:rgba(246,239,224,.85);text-shadow:0 1px 10px rgba(0,0,0,.6);transition:opacity .5s;display:flex;flex-direction:column;gap:2px;pointer-events:none}
.calc-cap small{font:600 .62rem/1.3 var(--body);letter-spacing:.14em;text-transform:uppercase;color:rgba(159,227,255,.8)}
.calc-key{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 10px;justify-content:center}
.calc-key li{display:flex;align-items:center;gap:6px;font:600 .66rem/1 var(--body);letter-spacing:.1em;text-transform:uppercase;color:rgba(246,239,224,.35);transition:color .6s}
.calc-key li.on{color:rgba(246,239,224,.85)}
.calc-key i{width:8px;height:8px;border-radius:50%;opacity:.3;transition:opacity .6s}
.calc-key li.on i{opacity:1;box-shadow:0 0 8px currentColor}
.calc-again{position:absolute;right:14px;bottom:14px;min-height:44px;padding:0 16px;font-size:.88rem;background:rgba(5,3,15,.4);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}

/* ───── the lagoon: Tonga ───── */
.lagoon .eyebrow,.lagoon .voice{color:#bff3ea}
.lagoon h2{color:#fff}
.pool{display:grid;gap:20px;margin-top:8px}
.pool-map{position:relative;padding:18px 16px 14px;border-radius:22px;background:rgba(2,30,40,.45);border:1px solid rgba(246,239,224,.16);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
#tmap{width:100%;height:auto;max-width:360px;margin-inline:auto;overflow:visible}
#tmap .isle{fill:rgba(246,239,224,.14);stroke:var(--feel);stroke-width:1.5;transition:transform .9s var(--ease);transform-box:fill-box;transform-origin:center}
#tmap .isle.big{fill:rgba(244,192,74,.18)}
#tmap .lab{fill:var(--ink);font:700 11px/1 var(--body);letter-spacing:.06em}
#tmap .num{fill:var(--mute);font:600 10px/1 var(--body)}
#tmap .vol{fill:none;stroke:#ffb38a;stroke-width:1.6;animation:ring 3s ease-out infinite;transform-box:fill-box;transform-origin:center}
#tmap .volc{fill:#ffb38a}
@keyframes ring{0%{transform:scale(.3);opacity:1}100%{transform:scale(2.4);opacity:0}}
#tmap .cur{fill:none;stroke:rgba(255,255,255,.14);stroke-width:1;stroke-dasharray:3 8;animation:flow 8s linear infinite}
.pool-tag{margin:12px 0 0;font:600 .72rem/1.4 var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.pool-tag span{display:inline-block;padding:3px 9px;margin-right:8px;border-radius:999px;background:var(--sun);color:#2a1a00}
.gauges{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.gauges li{display:grid;grid-template-columns:1fr auto;gap:2px 14px;align-items:baseline;padding:14px 16px 14px;border-radius:18px;background:rgba(246,239,224,.07);border:1px solid rgba(246,239,224,.16);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.gauges .k{font:600 .85rem/1.3 var(--body);color:var(--ink)}
.gauges .v{font:500 clamp(1.3rem,4vw,1.7rem)/1 var(--display);color:#fff;text-align:right;white-space:nowrap}
.gauges .bar{grid-column:1/-1;position:relative;height:6px;border-radius:3px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:6px}
.gauges .bar i{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:3px;background:var(--feel);transition:width 1.6s var(--ease)}
.gauges .bar b{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--sun)}
.gauges .bar s{position:absolute;top:0;bottom:0;background:rgba(255,255,255,.22);text-decoration:none}
.gauges .n{grid-column:1/-1;font-size:.78rem;line-height:1.4;color:var(--mute);margin-top:4px}
.lagoon.in .gauges .bar i{width:var(--w)}
.eruption{margin-top:28px;padding:24px 22px}
.eruption h3{font-size:clamp(1.4rem,4.4vw,1.9rem);line-height:1.2;margin-bottom:.6rem}
.eruption b{font-weight:700;color:#8a2f1c}
.eruption .kicker{color:#8a2f1c}
.sources{margin:22px 0 0;font-size:.8rem;line-height:1.6;color:var(--mute);max-width:52rem}
.sources a{text-underline-offset:3px}

/* ───── the reef ───── */
.steward{padding-top:150px;padding-bottom:230px}
.steward-grid{display:grid;gap:18px}
.steward .tabs{flex-direction:row}
.cap-body{padding:30px 24px;font:500 clamp(1.5rem,5vw,2.4rem)/1.25 var(--display);min-height:8.5rem;display:flex;align-items:center}
.zoom{margin-top:64px}
.zoom-title{font:italic 400 clamp(1.1rem,3.4vw,1.5rem)/1.45 var(--display);color:var(--mute);margin-bottom:1.2rem;max-width:44rem}
.zoomview{position:relative;aspect-ratio:2/1;border-radius:22px;overflow:hidden;background:#02050d url(assets/earth-day.jpg) no-repeat;background-size:100% auto;background-position:50% 50%;transition:background-size 1.5s cubic-bezier(.65,0,.2,1),background-position 1.5s cubic-bezier(.65,0,.2,1);box-shadow:0 20px 50px rgba(0,0,0,.45),inset 0 0 90px rgba(0,0,0,.55)}
.zoomview::after{content:"";position:absolute;inset:0;background:var(--grain);opacity:.14;mix-blend-mode:overlay;pointer-events:none}
.zoomview .here{position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;border:2px solid var(--sun);box-shadow:0 0 0 6px rgba(244,192,74,.18),0 0 22px rgba(244,192,74,.7);animation:pulse 2.4s ease-in-out infinite;transition:opacity .6s}
.zoomview.full .here{opacity:0}
@keyframes pulse{50%{box-shadow:0 0 0 14px rgba(244,192,74,.05),0 0 30px rgba(244,192,74,.85)}}
.zoom-rail{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.zoom-rail button{min-height:44px;padding:0 16px;border-radius:999px;border:1.5px solid rgba(246,239,224,.35);background:rgba(5,3,15,.3);color:var(--ink);font:600 .92rem/1 var(--body);cursor:pointer;transition:background .2s,color .2s,transform .25s var(--ease)}
.zoom-rail button:hover{transform:translateY(-2px)}
.zoom-rail button.on{background:var(--ink);color:#14201a;border-color:var(--ink)}
.zoom-read{margin:1rem 0 0;color:var(--mute);min-height:3.4em}

/* ───── the deep: the ask ───── */
.welcome{padding:140px 0 170px}
.welcome .eyebrow{color:var(--sun)}
.ask{max-width:560px;margin:2rem auto 0;padding:28px 24px 26px;text-align:left}
.ask .kicker{color:#3e5a3a}
.ask h3{font-size:clamp(1.5rem,5vw,2.1rem);line-height:1.2;margin-bottom:.6rem}
.ask p{margin-bottom:1.2rem}
.sign{font:italic 400 clamp(1.2rem,3.8vw,1.7rem)/1.5 var(--display);margin:2.4rem 0 0}
.sign strong{font-style:normal;font-weight:600;color:var(--sun)}

/* ───── footer / stitch / fab / dialog ───── */
.foot{padding:36px 16px 48px;text-align:center;color:var(--mute);font-size:.9rem;background:rgba(2,2,10,.6)}
.foot p{margin:0 0 .4rem}
.foot a{text-underline-offset:3px}
.soul{margin-top:1.6rem;font:italic 400 .95rem/1.6 var(--display);color:rgba(246,239,224,.0);transition:color 1.4s ease}
.foot:hover .soul,.foot:focus-within .soul{color:rgba(246,239,224,.7)}
.stitch{padding:0 0 90px;margin:0}
.echo canvas{width:100%;height:100%;opacity:1!important}
.echo-back{margin:24px auto 0;display:inline-flex}
.stitch:has(.echo-back){text-align:center}
.join-fab{position:fixed;right:16px;bottom:max(16px,env(safe-area-inset-bottom));z-index:50;box-shadow:0 12px 30px rgba(0,0,0,.45),0 0 0 4px rgba(244,192,74,.18)}
dialog.paper{width:min(460px,100% - 24px);padding:30px 24px 26px;border:0;margin:auto}
dialog::backdrop{background:rgba(2,5,13,.72);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}
dialog h2{font-size:1.9rem;margin-bottom:.4rem;text-shadow:none}
dialog form{position:relative}
dialog p{color:#33453a}
dialog label{display:block;font-weight:600;font-size:.92rem;margin:.9rem 0 0}
dialog input:not([type=checkbox]){display:block;width:100%;min-height:48px;margin-top:.3rem;padding:0 14px;border:1.5px solid rgba(28,42,34,.4);border-radius:12px;background:#fffaf0;color:var(--paper-ink);font:400 1rem var(--body)}
dialog small{font-weight:400;color:#4a5a4d}
dialog .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem}
dialog .check input{width:22px;height:22px;margin-top:.15rem;flex:none;accent-color:#2f6b3a}
dialog .btn{width:100%;margin-top:1.3rem}
dialog .x{position:absolute;right:-8px;top:-14px;width:44px;height:44px;border:0;border-radius:50%;background:transparent;font-size:1.8rem;line-height:1;color:var(--paper-ink);cursor:pointer}
.msg{min-height:1.5em;margin:.9rem 0 0;font-size:.92rem;color:#254a2e}
.msg.err{color:#9a2b1b}

/* ───── ≥768 ───── */
@media (min-width:768px){
  .sec{padding:130px 0 140px}
  .reef{padding-top:200px}
  .steward{padding-bottom:250px}
  .hero{padding-top:482px}
  .nav{display:flex;gap:2px}
  .top{padding:10px 32px 10px 40px}
  .depth{left:48px}
  .scales{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .scales li{padding:24px 22px 26px}
  .const{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:40px}
  .panel{position:sticky;top:96px}
  .steward-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);align-items:stretch}
  .steward .tabs{flex-direction:column;align-items:stretch}
  .steward .tabs button{justify-content:flex-start;text-align:left}
  .cap-body{padding:40px 36px}
  .senses{padding:34px 36px 32px}
  .pool{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;align-items:start}
  .pool-map{position:sticky;top:96px;padding:24px 22px 18px}
  .gauges li{padding:16px 20px}
  .eruption{padding:30px 32px}
  .ask{padding:34px 36px 32px}
}
/* ───── ≥900 ───── */
@media (min-width:900px){
  .hero{padding:0 48px 48px;display:flex;flex-direction:column;justify-content:center;min-height:max(100dvh,720px)}
  .hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(5,3,15,.82) 0,rgba(5,3,15,.5) 38%,rgba(5,3,15,0) 62%)}
  .hero-copy{margin:0;max-width:620px;padding-top:56px}
  .hero h1{font-size:clamp(2.6rem,4.1vw,3.8rem);margin-bottom:1.2rem}
  .hero .lede{max-width:30rem}
  .pick{margin:1.4rem 0 0;max-width:620px}
  .pick-line{min-height:3em;margin-top:.7rem}
  .split{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:64px}
}
@media (min-width:1200px){
  .hero{padding-inline:calc((100vw - 1120px)/2)}
}

/* ───── reduced motion ───── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .js .reveal,.js .scales.reveal li,.js .const.reveal .node{opacity:1;transform:none}
  .leafline,.rootlines path{stroke-dashoffset:0}
  .polyps path{transform:none}
  .spine{animation:none}.spine .polyp,.spine .knot,.spine .boss,.spine .seg{transform:scale(1);stroke-dashoffset:0!important;animation:none}
  .soul{color:rgba(246,239,224,.7)}
  .rays,.flash{display:none}
  .gauges .bar i{width:var(--w)}
}