@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700;900&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--ocean:#1a5276;--ocean-light:#2e86c1;--wave:#85c1e9;--sand:#fef9ef;--foam:#ffffff;--text-deep:#0b2e47;--text-sea:#3d6a88;--text-light:#7ba6c4;--border:#d4e6f1}
html{scroll-behavior:smooth}
body{font-family:'Source Sans 3',sans-serif;background:var(--sand);color:var(--text-deep);min-height:100vh;line-height:1.75}
h1,h2,h3,h4{font-family:'Merriweather',serif}
a{color:var(--ocean-light);text-decoration:none;transition:color 0.2s}
a:hover{color:var(--ocean)}

.sea-header{position:fixed;top:0;width:100%;z-index:1000;background:rgba(254,249,239,0.95);border-bottom:2px solid var(--wave);backdrop-filter:blur(8px)}
.sh-inner{max-width:1300px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0.8rem 1.5rem}
.sh-logo{display:flex;align-items:center;gap:0.7rem}
.sh-logo svg{width:36px;height:36px}
.sh-name{font-family:'Merriweather',serif;font-weight:700;font-size:1.15rem;color:var(--ocean)}
.sh-links{display:flex;gap:1.8rem;list-style:none}
.sh-links a{color:var(--text-sea);font-size:0.9rem;font-weight:500}
.sh-links a:hover,.sh-links a.cur{color:var(--ocean)}
.sh-burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:4px}
.sh-burger span{display:block;width:24px;height:2px;background:var(--ocean);transition:all 0.3s}
.sh-burger.on span:first-child{transform:rotate(45deg) translate(5px,5px)}.sh-burger.on span:nth-child(2){opacity:0}.sh-burger.on span:last-child{transform:rotate(-45deg) translate(5px,-5px)}
@media(max-width:768px){.sh-burger{display:flex}.sh-links{position:fixed;top:60px;left:0;right:0;flex-direction:column;background:rgba(254,249,239,0.98);padding:1.5rem;gap:1rem;border-bottom:2px solid var(--wave);transform:translateY(-120%);transition:transform 0.3s}.sh-links.show{transform:translateY(0)}}

.sea-hero{padding:9rem 1.5rem 5rem;text-align:center;background:linear-gradient(180deg,var(--sand) 0%,#d6eaf8 100%)}
.sea-hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:900;color:var(--ocean);margin-bottom:1.2rem;line-height:1.15}
.sea-hero p{font-size:1.1rem;color:var(--text-sea);max-width:700px;margin:0 auto 2rem}
.wave-btn{display:inline-block;padding:0.85rem 2.5rem;background:var(--ocean);color:var(--foam);font-family:'Merriweather',serif;font-weight:700;border-radius:6px;transition:all 0.3s}
.wave-btn:hover{background:var(--ocean-light);color:var(--foam);box-shadow:0 4px 20px rgba(26,82,118,0.25)}

.sea-notices{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:1300px;margin:0 auto;padding:2rem 1.5rem}
@media(max-width:768px){.sea-notices{grid-template-columns:1fr}}
.sn-card{background:var(--foam);border:1px solid var(--border);border-radius:12px;padding:2rem;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.sn-card .sn-icon{font-size:2.5rem;margin-bottom:0.7rem}
.sn-card h3{font-size:1.05rem;color:var(--ocean);margin-bottom:0.4rem}
.sn-card p{color:var(--text-sea);font-size:0.93rem}

.sea-game{max-width:1300px;margin:3rem auto;padding:0 1.5rem}
.sea-game h2{text-align:center;font-size:clamp(1.4rem,3vw,2rem);color:var(--ocean);margin-bottom:1.5rem}
.sg-wrap{max-width:960px;margin:0 auto;border:2px solid var(--wave);border-radius:12px;overflow:hidden;background:#000;box-shadow:0 4px 20px rgba(26,82,118,0.12)}
.sg-wrap iframe{display:block;width:100%;height:600px;border:none}
@media(max-width:768px){.sg-wrap iframe{height:380px}}

.sea-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;max-width:1300px;margin:3rem auto;padding:0 1.5rem}
.sf-box{background:var(--foam);border-top:3px solid var(--ocean-light);border-radius:8px;padding:1.5rem;box-shadow:0 1px 6px rgba(0,0,0,0.04)}
.sf-box h4{color:var(--ocean);font-size:1rem;margin-bottom:0.3rem}
.sf-box p{color:var(--text-sea);font-size:0.9rem}

.sea-about{max-width:1300px;margin:3rem auto;padding:3rem 1.5rem;border-top:1px solid var(--border);text-align:center}
.sea-about h2{font-size:clamp(1.4rem,3vw,1.8rem);color:var(--ocean);margin-bottom:1rem}
.sea-about p{color:var(--text-sea);max-width:800px;margin:0 auto 1rem;font-size:1.05rem}

.sea-page{max-width:880px;margin:0 auto;padding:7rem 1.5rem 3rem}
.sea-page h1{font-size:clamp(1.7rem,4vw,2.3rem);color:var(--ocean);margin-bottom:1.3rem}
.sea-page h2{font-size:1.2rem;color:var(--ocean-light);margin:1.8rem 0 0.6rem}
.sea-page p,.sea-page li{color:var(--text-sea);margin-bottom:0.7rem;font-size:0.95rem}
.sea-page ul,.sea-page ol{padding-left:1.5rem;margin-bottom:1rem}

.sea-play{max-width:1300px;margin:0 auto;padding:7rem 1.5rem 3rem}
.sea-play h1{text-align:center;font-size:clamp(1.7rem,4vw,2.3rem);color:var(--ocean);margin-bottom:0.8rem}
.sea-play .sp-note{text-align:center;color:var(--text-sea);max-width:680px;margin:0 auto 2rem}

.sea-footer{background:var(--ocean);color:var(--wave);padding:3rem 1.5rem;margin-top:4rem}
.sf-grid{max-width:1300px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}
.sf-col p{color:var(--wave);font-size:0.88rem;margin-top:0.3rem;opacity:0.8}
.sf-col h4{font-family:'Merriweather',serif;color:var(--foam);font-size:0.9rem;margin-bottom:0.7rem}
.sf-col ul{list-style:none}
.sf-col li{margin-bottom:0.3rem}
.sf-col a{color:var(--wave);font-size:0.88rem;opacity:0.8}
.sf-col a:hover{opacity:1;color:var(--foam)}
.sf-copy{text-align:center;color:var(--wave);font-size:0.82rem;margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(133,193,233,0.2);opacity:0.8}

.age-tide{position:fixed;inset:0;z-index:9999;background:rgba(26,82,118,0.8);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.age-tide.ebbed{display:none}
.age-shell{background:var(--foam);border-radius:16px;padding:2.5rem;text-align:center;max-width:430px;width:92%;box-shadow:0 12px 40px rgba(0,0,0,0.2)}
.age-shell .as-icon{font-size:3rem;margin-bottom:0.8rem}
.age-shell h2{font-size:1.3rem;color:var(--ocean);margin-bottom:0.6rem}
.age-shell p{color:var(--text-sea);margin-bottom:1.5rem;font-size:0.92rem}
.as-btns{display:flex;gap:0.8rem;justify-content:center}
.as-yes{padding:0.65rem 1.8rem;background:var(--ocean);color:var(--foam);border:none;border-radius:8px;font-weight:600;font-size:0.9rem;cursor:pointer;transition:background 0.2s}
.as-yes:hover{background:var(--ocean-light)}
.as-no{padding:0.65rem 1.8rem;background:var(--foam);color:var(--text-sea);border:1px solid var(--border);border-radius:8px;font-weight:600;font-size:0.9rem;cursor:pointer;transition:all 0.2s}
.as-no:hover{border-color:#e74c3c;color:#e74c3c}