:root{--sky:#74c6f1;--ink:#0d1320;--foam:#cfe9fb;--deep:#416d89;--brass:#c9a35c;--glass:rgba(207,233,251,.35)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--sky);color:var(--ink);font:400 17px/1.6 Figtree,sans-serif;overflow-x:hidden;
  background-image:linear-gradient(180deg,#86d0f5 0%,var(--sky) 35%,#5fb3e2 75%,#4f9fd0 100%)}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2{font-family:"Bowlby One",sans-serif;font-weight:400;line-height:1}

/* bubbles: the one ambient motion */
.bubbles{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.bubbles i{position:absolute;bottom:-40px;width:14px;height:14px;border-radius:50%;border:2px solid rgba(255,255,255,.7);
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.8) 0 18%,transparent 22%);animation:rise 14s linear infinite;opacity:0}
.bubbles i:nth-child(1){left:6%;animation-delay:0s}
.bubbles i:nth-child(2){left:18%;width:9px;height:9px;animation-delay:3s;animation-duration:11s}
.bubbles i:nth-child(3){left:31%;animation-delay:7s;animation-duration:17s}
.bubbles i:nth-child(4){left:44%;width:20px;height:20px;animation-delay:1.5s;animation-duration:19s}
.bubbles i:nth-child(5){left:57%;width:8px;height:8px;animation-delay:5s}
.bubbles i:nth-child(6){left:66%;animation-delay:9s;animation-duration:12s}
.bubbles i:nth-child(7){left:75%;width:11px;height:11px;animation-delay:2s;animation-duration:15s}
.bubbles i:nth-child(8){left:84%;width:18px;height:18px;animation-delay:6s;animation-duration:20s}
.bubbles i:nth-child(9){left:92%;width:10px;height:10px;animation-delay:11s}
.bubbles i:nth-child(10){left:50%;width:7px;height:7px;animation-delay:13s;animation-duration:10s}
@keyframes rise{0%{transform:translate3d(0,0,0);opacity:0}10%{opacity:.9}50%{transform:translate3d(14px,-55vh,0)}90%{opacity:.7}100%{transform:translate3d(-8px,-115vh,0);opacity:0}}

/* top rail: the aquarium's brass handrail */
.rail{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px clamp(16px,4vw,48px);background:var(--ink);color:var(--foam);border-bottom:4px solid var(--brass)}
.rail-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:400 22px "Bowlby One",sans-serif;color:var(--foam)}
.rail-brand img{width:40px;height:40px;border-radius:50%;background:var(--sky);border:2px solid var(--brass)}
.rail nav{display:flex;gap:4px}
.rail nav a{font:700 13px "Courier Prime",monospace;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;
  padding:8px 12px;border:1px solid transparent;border-radius:4px;transition:transform .2s,background-color .2s}
.rail nav a:hover{border-color:var(--brass);transform:translateY(-1px)}
.rail nav a:active{transform:translateY(1px)}

main,footer{position:relative;z-index:1}

/* the tank: hero as a riveted viewing window with the placard bolted beside it */
.tank{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(300px,1fr);gap:clamp(20px,3vw,40px);align-items:end;
  padding:clamp(24px,5vw,64px) clamp(16px,4vw,48px) clamp(48px,7vw,96px);max-width:1440px;margin:0 auto}
.glass{position:relative;border:14px solid var(--ink);border-radius:28px;overflow:hidden;
  box-shadow:0 0 0 4px var(--brass),0 30px 60px -20px rgba(13,19,32,.55),inset 0 0 60px rgba(13,19,32,.4)}
.tank-scene{width:100%;aspect-ratio:2/1;object-fit:cover;animation:bob 7s ease-in-out infinite}
@keyframes bob{0%,100%{transform:scale(1.04) translateY(0)}50%{transform:scale(1.04) translateY(-10px)}}
.glare{position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 30%,rgba(255,255,255,.22) 34%,transparent 44%,transparent 70%,rgba(255,255,255,.12) 73%,transparent 78%)}
.rivet{position:absolute;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#f0d9a0,var(--brass) 60%,#7a5e2a)}
.r1{top:10px;left:10px}.r2{top:10px;right:10px}.r3{bottom:10px;left:10px}.r4{bottom:10px;right:10px}

.placard{background:var(--foam);border:3px solid var(--ink);border-radius:6px;padding:26px 26px 22px;
  box-shadow:8px 8px 0 var(--ink);font-family:"Courier Prime",monospace}
.placard-kicker{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--deep);border-bottom:2px dashed var(--deep);padding-bottom:10px;margin-bottom:14px}
.placard h1{font-size:clamp(54px,7vw,92px);letter-spacing:-.01em}
.tick{display:block;font-size:.34em;letter-spacing:.12em;color:var(--deep);margin-top:6px}
.latin{font-style:italic;color:var(--deep);margin:8px 0 14px}
.lede{font:600 19px/1.45 Figtree,sans-serif;margin-bottom:18px}
.placard dl{display:grid;gap:0;border-top:2px solid var(--ink)}
.placard dl div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:8px 0;border-bottom:1px solid rgba(13,19,32,.25);font-size:15px}
.placard dt{font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:12px;padding-top:2px}

/* keeper's notes: a corkboard of clipped notes */
.notes{max-width:1240px;margin:0 auto;padding:clamp(40px,6vw,80px) clamp(16px,4vw,48px)}
.notes h2{font-size:clamp(40px,6vw,72px);color:var(--ink);margin-bottom:36px;transform:rotate(-1.5deg);display:inline-block;
  background:var(--foam);padding:6px 18px 10px;border:3px solid var(--ink);box-shadow:6px 6px 0 var(--ink)}
.board{display:grid;grid-template-columns:1.25fr 1fr;grid-template-areas:"log photo" "tags tags";gap:clamp(24px,4vw,48px);align-items:start}
.note-long{grid-area:log;position:relative;background:#fdfbf2;border:2px solid var(--ink);padding:44px 30px 28px;transform:rotate(-.8deg);
  box-shadow:6px 8px 0 rgba(13,19,32,.85);font-family:"Courier Prime",monospace;font-size:17px;
  background-image:repeating-linear-gradient(transparent 0 29px,rgba(65,109,137,.25) 29px 30px);background-position:0 40px}
.note-long::before{content:"";position:absolute;top:-14px;left:50%;width:90px;height:26px;margin-left:-45px;background:var(--deep);border:2px solid var(--ink);border-radius:4px 4px 10px 10px}
.note-head{font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;color:var(--deep);margin-bottom:10px}
.note-long p+p{margin-top:12px}
.sign{font-weight:700;font-size:20px}
.polaroid{grid-area:photo;background:#fff;padding:14px 14px 18px;border:2px solid var(--ink);transform:rotate(2.5deg);box-shadow:6px 8px 0 rgba(13,19,32,.85);transition:transform .3s}
.polaroid:hover{transform:rotate(0) scale(1.02)}
.polaroid figcaption{font:400 16px "Courier Prime",monospace;text-align:center;margin-top:10px}
.tags{grid-area:tags;list-style:none;display:flex;flex-wrap:wrap;gap:18px 22px;justify-content:center}
.tag{position:relative;background:var(--ink);color:var(--foam);font:400 16px/1.35 "Courier Prime",monospace;padding:14px 20px 14px 38px;border-radius:4px 18px 18px 4px;max-width:330px;transition:transform .25s}
.tag::before{content:"";position:absolute;left:14px;top:50%;width:11px;height:11px;margin-top:-5.5px;border-radius:50%;background:var(--sky);box-shadow:inset 0 0 0 2px var(--foam)}
.tag:nth-child(odd){transform:rotate(-1.5deg)}.tag:nth-child(even){transform:rotate(1.2deg)}
.tag:hover{transform:rotate(0) translateY(-3px)}

/* feeding: a porthole */
.feeding{max-width:1100px;margin:0 auto;padding:clamp(40px,6vw,90px) clamp(16px,4vw,48px) clamp(60px,8vw,120px);display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.porthole{width:clamp(200px,28vw,320px);aspect-ratio:1;border-radius:50%;border:16px solid var(--ink);box-shadow:0 0 0 5px var(--brass),inset 0 0 40px rgba(13,19,32,.5);overflow:hidden;background:var(--sky)}
.porthole img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.porthole:hover img{transform:scale(1.08) rotate(-4deg)}
.feeding h2{font-size:clamp(34px,4.6vw,56px);margin-bottom:16px}
.feeding p{font-size:19px;max-width:30em;margin-bottom:26px}
.btn{display:inline-block;font:400 20px "Bowlby One",sans-serif;text-decoration:none;color:var(--ink);background:var(--foam);padding:14px 28px;border:3px solid var(--ink);border-radius:999px 999px 999px 12px;box-shadow:5px 5px 0 var(--ink);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.btn:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink)}

/* footer: the tank's base */
.foot{background:var(--ink);color:var(--foam);border-top:6px solid var(--brass);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:28px clamp(16px,4vw,48px)}
.foot-brand{display:flex;align-items:center;gap:12px;font:400 26px "Bowlby One",sans-serif}
.foot-brand img{width:52px;height:52px;border-radius:50%;background:var(--sky);border:2px solid var(--brass)}
.ca{display:flex;align-items:center;gap:10px;font-family:"Courier Prime",monospace;border:1px dashed rgba(207,233,251,.45);border-radius:6px;padding:8px 14px;min-width:220px}
.ca-label{font-weight:700;letter-spacing:.14em;color:var(--brass)}
.ca-value{font-family:"Courier Prime",monospace;font-size:14px;min-height:1em}
.icons{display:flex;gap:10px}
.icons a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:2px solid var(--foam);color:var(--foam);transition:transform .2s,background-color .2s,color .2s}
.icons a:hover{background:var(--foam);color:var(--ink);transform:translateY(-2px) rotate(-6deg)}

/* scroll-in */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.notes h2.reveal.in{transform:rotate(-1.5deg)}
.note-long.reveal.in{transform:rotate(-.8deg)}
.polaroid.reveal.in{transform:rotate(2.5deg)}
.tag.reveal.in:nth-child(odd){transform:rotate(-1.5deg)}.tag.reveal.in:nth-child(even){transform:rotate(1.2deg)}
.tag.reveal.in:hover,.polaroid.reveal.in:hover{transform:rotate(0) translateY(-3px)}

@media (max-width:860px){
  .tank{grid-template-columns:1fr}
  .glass{border-width:10px;border-radius:20px}
  .tank-scene{aspect-ratio:4/3}
  .board{grid-template-columns:1fr;grid-template-areas:"log" "photo" "tags"}
  .polaroid{max-width:360px;justify-self:center}
  .feeding{grid-template-columns:1fr;justify-items:center;text-align:center}
  .rail nav a{padding:6px 7px;font-size:11px}
  .rail-brand span{display:none}
  .foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .bubbles{display:none}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}