:root{--deep:#0b4f7a;--sea:#0ea5c6;--aqua:#7dd3e8;--foam:#e0f7fb;--coral:#ff8fa3;--pink:#f9a8d4;--lav:#a78bfa;--gold:#fbbf24;--ink:#123b52}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{font-family:'Quicksand',system-ui,sans-serif;color:var(--ink);background:#0b4f7a;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.ocean{position:relative;min-height:100vh;padding:0 16px 120px;background:linear-gradient(180deg,#bdf0fb 0%,#7dd3e8 18%,#2bb3d4 45%,#0e7fa8 70%,#0b4f7a 100%);overflow:hidden}
.ocean::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% -10%,rgba(255,255,255,.6),transparent 55%);pointer-events:none}
.bubbles{position:fixed;inset:0;pointer-events:none;z-index:1}
.bubble{position:absolute;bottom:-60px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.9),rgba(165,243,252,.25) 45%,rgba(255,255,255,.08) 70%);border:1px solid rgba(255,255,255,.55);animation:rise linear infinite}
@keyframes rise{0%{transform:translate(0,0) scale(.6);opacity:0}10%{opacity:.9}50%{transform:translate(20px,-55vh) scale(1)}100%{transform:translate(-15px,-115vh) scale(1.1);opacity:0}}
.waves{position:absolute;top:0;left:0;right:0;height:120px;overflow:hidden;z-index:0}
.wave{position:absolute;width:200%;height:100%;background-repeat:repeat-x;background-size:50% 100%;opacity:.5;animation:wave 12s linear infinite}
.wave1{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 120'%3E%3Cpath d='M0 60 Q100 20 200 60 T400 60 T600 60 T800 60 V0 H0Z' fill='%23ffffff'/%3E%3C/svg%3E")}
.wave2{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 120'%3E%3Cpath d='M0 70 Q100 30 200 70 T400 70 T600 70 T800 70 V0 H0Z' fill='%23e0f7fb'/%3E%3C/svg%3E");animation-duration:18s;animation-direction:reverse;opacity:.4}
@keyframes wave{to{transform:translateX(-50%)}}
section,header,footer{position:relative;z-index:2;max-width:520px;margin:0 auto}
.hero{text-align:center;padding:70px 8px 10px}
.eyebrow{font-family:'Pacifico',cursive;color:#0b6b8f;font-size:1.25rem;margin-bottom:6px}
.hero h1{font-family:'Pacifico',cursive;font-weight:400;font-size:2.6rem;line-height:1.15;color:#fff;text-shadow:0 3px 0 #0e7fa8,0 6px 18px rgba(11,79,122,.45);animation:pop 1.1s cubic-bezier(.2,1.4,.4,1) both}
.hero h1 span{display:inline-block;margin-top:6px;font-size:3.1rem;background:linear-gradient(90deg,#ff8fa3,#f9a8d4,#a78bfa,#7dd3e8);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none;filter:drop-shadow(0 3px 0 rgba(255,255,255,.8));animation:shimmer 4s ease-in-out infinite}
@keyframes shimmer{0%,100%{filter:drop-shadow(0 3px 0 rgba(255,255,255,.8)) hue-rotate(0)}50%{filter:drop-shadow(0 3px 0 rgba(255,255,255,.8)) hue-rotate(25deg)}}
@keyframes pop{from{transform:scale(.4) translateY(30px);opacity:0}to{transform:none;opacity:1}}
.subtitle{margin-top:10px;font-weight:600;color:#08506f;letter-spacing:.3px}
.mermaid-badge{width:110px;margin:14px auto 0;display:block;animation:swim 5s ease-in-out infinite}
@keyframes swim{0%,100%{transform:translate(0,0) rotate(-4deg)}50%{transform:translate(0,-12px) rotate(4deg)}}
.deco{position:absolute;width:54px;animation:bob 4s ease-in-out infinite}
.deco.left{left:6px;top:86px}.deco.right{right:6px;top:120px;animation-delay:-2s}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-10px) rotate(6deg)}}
.floaty{animation:bob 5s ease-in-out infinite}
.photo-stage{text-align:center;margin-top:18px}
.photo-frame{width:min(82vw,330px);aspect-ratio:3/4;margin:0 auto;border-radius:48% 48% 26px 26px/38% 38% 26px 26px;overflow:hidden;border:6px solid #fff;box-shadow:0 0 0 6px rgba(249,168,212,.7),0 18px 40px rgba(11,79,122,.45);animation:pop 1.2s .2s both}
.photo-frame img{width:100%;height:100%;object-fit:cover;transition:opacity .6s}
.glow{animation:pop 1.2s .2s both,glow 3.5s ease-in-out infinite 1.4s}
@keyframes glow{0%,100%{box-shadow:0 0 0 6px rgba(249,168,212,.7),0 18px 40px rgba(11,79,122,.45)}50%{box-shadow:0 0 0 10px rgba(167,139,250,.6),0 18px 50px rgba(14,165,198,.6)}}
.thumb-row{display:flex;justify-content:center;gap:8px;margin-top:14px;flex-wrap:wrap}
.thumb-row button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.thumb-row button.active{background:var(--coral);transform:scale(1.25)}
.card{background:rgba(255,255,255,.88);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-radius:28px;padding:24px 20px;margin-top:26px;box-shadow:0 12px 30px rgba(11,79,122,.25);border:2px solid rgba(255,255,255,.9);opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,1.2,.4,1)}
.card.in{opacity:1;transform:none}
.card h2{font-family:'Pacifico',cursive;font-weight:400;font-size:1.9rem;color:var(--sea);text-align:center;margin-bottom:8px}
.lead{text-align:center;font-weight:500;line-height:1.55;margin-bottom:14px}
.details{list-style:none;display:grid;gap:12px}
.details li{display:flex;gap:12px;align-items:flex-start;background:linear-gradient(135deg,#e0f7fb,#fce7f3);border-radius:18px;padding:12px 14px}
.details .icon{font-size:1.6rem;line-height:1}
.details strong{display:block;color:var(--deep);font-size:.95rem}
.details span{font-size:.95rem;line-height:1.45}
.map-btn{display:block;text-align:center;margin-top:16px;padding:13px;border-radius:999px;background:linear-gradient(90deg,var(--sea),var(--lav));color:#fff;font-weight:700;text-decoration:none;box-shadow:0 6px 16px rgba(14,165,198,.4)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:16px;border:3px solid #fff;box-shadow:0 4px 12px rgba(11,79,122,.2);transition:transform .3s}
.gallery img:nth-child(odd){animation:bob 6s ease-in-out infinite}
.gallery img:active{transform:scale(1.06)}
.mermaid-art{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:6px 0 4px}
.mermaid-art img{height:110px;max-width:45%;object-fit:contain;animation:swim 5s ease-in-out infinite;filter:drop-shadow(0 6px 10px rgba(11,79,122,.25))}
.mermaid-art img:nth-child(2){animation-delay:-1.5s}.mermaid-art img:nth-child(3){animation-delay:-3s}
form{display:grid;gap:14px}
form label{display:grid;gap:6px;font-weight:600}
input[type=text],input[type=email],textarea{width:100%;font:inherit;padding:13px 14px;border-radius:16px;border:2px solid #bae6fd;background:#fff;color:var(--ink);outline:none;font-size:16px}
input[type=text]:focus,input[type=email]:focus,textarea:focus{border-color:var(--sea);box-shadow:0 0 0 4px rgba(14,165,198,.15)}
.choice{border:none;display:grid;gap:8px}
.choice legend{font-weight:600;margin-bottom:6px}
.pill{display:flex!important;align-items:center;gap:10px;padding:12px 14px;border-radius:999px;background:#f0fbff;border:2px solid #bae6fd;cursor:pointer;font-weight:600}
.pill input{accent-color:var(--coral);width:20px;height:20px}
.pill:has(input:checked){background:linear-gradient(90deg,#fce7f3,#e0f7fb);border-color:var(--coral)}
.optional{font-weight:400;color:#5b7c8f;font-size:.85rem}
.submit-btn{border:none;font:inherit;font-weight:700;font-size:1.05rem;padding:15px;border-radius:999px;color:#fff;background:linear-gradient(90deg,var(--coral),var(--lav));box-shadow:0 8px 20px rgba(255,143,163,.45);cursor:pointer;transition:transform .15s}
.submit-btn:active{transform:scale(.97)}
.submit-btn:disabled{opacity:.6}
.form-status{text-align:center;font-weight:600;min-height:1.4em}
.form-status.ok{color:#0f8a6a}.form-status.err{color:#d6336c}
.footer{text-align:center;color:#e0f7fb;margin-top:30px;font-weight:600}
.footer-shell{width:44px;margin-top:8px;animation:bob 4s ease-in-out infinite}
.music-toggle{position:fixed;right:14px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:20;display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:999px;border:2px solid #fff;background:linear-gradient(90deg,var(--sea),var(--lav));color:#fff;font:700 .9rem 'Quicksand',sans-serif;box-shadow:0 8px 20px rgba(11,79,122,.4);cursor:pointer}
.music-toggle .note{display:inline-block;font-size:1.1rem}
.music-toggle.playing .note{animation:spin 2.5s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.splash{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:linear-gradient(180deg,#7dd3e8,#0e7fa8 60%,#0b4f7a);color:#fff;text-align:center;padding:24px;transition:opacity .7s,visibility .7s}
.splash.hide{opacity:0;visibility:hidden}
.splash h2{font-family:'Pacifico',cursive;font-weight:400;font-size:2rem;text-shadow:0 3px 12px rgba(0,0,0,.25)}
.splash img{width:120px;animation:swim 4s ease-in-out infinite}
.splash button{border:none;font:700 1.1rem 'Quicksand',sans-serif;padding:15px 28px;border-radius:999px;background:#fff;color:var(--sea);box-shadow:0 8px 24px rgba(0,0,0,.25);animation:pulse 1.8s ease-in-out infinite;cursor:pointer}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.card{opacity:1;transform:none}}

.hero-art{margin-top:8px}
.hero-art img{height:130px;max-width:38%}
.theme-card .mermaid-art img{height:120px;max-width:42%;background:rgba(255,255,255,.55);border-radius:20px;padding:6px}