*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{background:linear-gradient(180deg,#0B1929 0%,#162447 40%,#0B1929 100%);color:#D4ECFF;font-family:'Nunito',sans-serif;font-weight:300;font-size:clamp(0.95rem,1.1vw,1.15rem);line-height:1.75;overflow-x:hidden;min-height:100vh}

/* Bubbles */
.bubble-field{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bubble{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(79,195,247,0.15),transparent 70%);animation:rise linear infinite}
.b1{width:60px;height:60px;left:10%;animation-duration:18s;bottom:-60px}
.b2{width:100px;height:100px;left:30%;animation-duration:25s;bottom:-100px;animation-delay:3s}
.b3{width:40px;height:40px;left:50%;animation-duration:20s;bottom:-40px;animation-delay:6s}
.b4{width:80px;height:80px;left:70%;animation-duration:22s;bottom:-80px;animation-delay:2s}
.b5{width:50px;height:50px;left:85%;animation-duration:19s;bottom:-50px;animation-delay:8s}
.b6{width:120px;height:120px;left:20%;animation-duration:30s;bottom:-120px;animation-delay:5s;background:radial-gradient(circle at 30% 30%,rgba(255,126,179,0.08),transparent 70%)}
.b7{width:70px;height:70px;left:60%;animation-duration:24s;bottom:-70px;animation-delay:10s}
.b8{width:45px;height:45px;left:40%;animation-duration:16s;bottom:-45px;animation-delay:1s}
@keyframes rise{0%{transform:translateY(0)}100%{transform:translateY(-120vh)}}

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

/* Surface */
.surface{min-height:100vh;display:flex;align-items:center;justify-content:center}
.hex-frame{background:rgba(22,36,71,0.6);border:2px solid #4FC3F7;box-shadow:0 0 12px rgba(79,195,247,0.35);padding:clamp(2rem,4vw,4rem);text-align:center;clip-path:polygon(25% 0%,75% 0%,100% 50%,75% 100%,25% 100%,0% 50%)}
.hex-frame--hero{width:clamp(280px,50vw,500px);aspect-ratio:1/1.15;display:flex;flex-direction:column;align-items:center;justify-content:center}
.hero-title{font-family:'Righteous',sans-serif;font-size:clamp(3rem,8vw,7rem);background:linear-gradient(135deg,#FFD54F 0%,#FFFFFF 30%,#FFD54F 50%,#B8860B 70%,#FFD54F 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:0.08em}
.hero-tag{font-family:'Righteous',sans-serif;font-size:clamp(0.9rem,1.5vw,1.1rem);color:#B8E6FF;letter-spacing:0.08em;margin-top:0.5rem}

/* Reef */
.reef{padding:clamp(3rem,8vh,8rem) clamp(16px,4vw,48px)}
.hex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:clamp(12px,2vw,24px);max-width:1000px;margin:0 auto}
.hex-cell{background:rgba(22,36,71,0.5);border:1px solid rgba(79,195,247,0.3);box-shadow:0 0 8px rgba(79,195,247,0.15);padding:clamp(1.2rem,2vw,2rem);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:180px;border-radius:8px}
.hex-cell--lg{grid-column:span 2;text-align:left;align-items:flex-start}
.cell-heading{font-family:'Righteous',sans-serif;font-size:clamp(1.2rem,2.5vw,1.8rem);color:#B8E6FF;letter-spacing:0.08em;margin-bottom:0.5rem}
.cell-text{color:#D4ECFF;max-width:45ch}
.cell-stat{font-family:'Righteous',sans-serif;font-size:clamp(2rem,4vw,3rem);color:#FFD54F;letter-spacing:0.04em}
.cell-label{font-family:'Nunito',sans-serif;font-weight:600;font-size:0.8rem;color:#B8E6FF;letter-spacing:0.08em;margin-top:0.5rem}
.fish-svg{width:60px;height:60px;margin-bottom:0.5rem}

/* Depths */
.depths{min-height:120vh;display:flex;align-items:center;justify-content:center;padding:clamp(3rem,8vh,8rem) clamp(16px,4vw,48px);background:linear-gradient(180deg,#0B1929,#07101C)}
.hex-frame--deep{clip-path:none;border-radius:8px;max-width:700px;text-align:left}
.deep-heading{font-family:'Righteous',sans-serif;font-size:clamp(1.6rem,3vw,2.8rem);color:#B8E6FF;letter-spacing:0.08em;margin-bottom:1rem}
.deep-text{color:#D4ECFF;max-width:55ch;margin-bottom:1em}

/* Ascent */
.ascent{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:clamp(3rem,8vh,8rem) clamp(16px,4vw,48px)}
.hex-frame--final{clip-path:none;border-radius:8px;max-width:500px;text-align:center}
.ascent-text{font-family:'Nunito',sans-serif;font-weight:300;font-size:clamp(1.1rem,2vw,1.4rem);color:#D4ECFF;margin-bottom:1.5rem;line-height:1.7}
.ascent-stamp{font-family:'Righteous',sans-serif;font-size:0.8rem;color:#4FC3F7;letter-spacing:0.12em}

/* Reveals */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease-out,transform 0.6s ease-out}
[data-reveal].visible{opacity:1;transform:translateY(0)}

@media(max-width:768px){
  .hex-cell--lg{grid-column:span 1}
  .hex-frame--hero{width:80vw}
}