:root {
    --text: #f2fcff;
    --muted: rgba(242, 252, 255, 0.88);
    --glass: rgba(255, 255, 255, 0.13);
    --line: rgba(255, 255, 255, 0.2);
    --shadow: 0 12px 30px rgba(12, 83, 125, 0.25);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--text);
    font: 16px/1.6 Arial, sans-serif;
    background: radial-gradient(1200px 700px at 50% -120px, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.03) 52%, transparent 72%), linear-gradient(180deg, #6dd8df, #41bfd8 43%, #2f86cb);
}

a { color: #dcfcff; }
.container,
.legal-wrap { width: min(1100px, calc(100% - 40px)); margin: 0 auto; }
.legal-wrap { width: min(900px, calc(100% - 64px)); }

.key-art-container,
.feature-item,
.screenshot-placeholder {
    background: var(--glass);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(6px);
}

.home-page h1,
.home-page h2,
.home-page h3,
.legal-page h1,
.legal-page h2 { color: var(--text); }

.home-page h1 { margin: 0.1em 0; font-size: clamp(2.4rem, 7vw, 3.8rem); text-shadow: 0 4px 16px rgba(22, 113, 153, 0.35); }
.home-page h2 { margin-bottom: 40px; text-align: center; font-size: clamp(2rem, 5vw, 2.8rem); text-shadow: 0 3px 10px rgba(23, 109, 147, 0.28); }
.home-page p,
.legal-page p,
.legal-page li,
.legal-page .update-date { color: var(--muted); }

.tagline { font-size: 1.4rem; font-weight: 700; }
section { padding: 80px 0; }
#hero { padding-top: 120px; text-align: center; }
#features,
#gallery,
#download,
footer { border-top: 1px solid rgba(255, 255, 255, 0.1); }
#features { background: rgba(255, 255, 255, 0.03); }
#gallery { text-align: center; background: rgba(255, 255, 255, 0.015); }
#download { text-align: center; padding: 60px 0; background: rgba(255, 255, 255, 0.05); }

.key-art-container { margin-top: 40px; overflow: hidden; max-height: 450px; }
.key-art { width: 100%; display: block; }

.cta-button {
    display: inline-block;
    margin: 20px 10px;
    padding: 18px 35px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 14px;
    color: #0f5f74;
    text-decoration: none;
    font-weight: 700;
    background: linear-gradient(90deg, #20e0c8, #45e6dd 60%, #68f2eb);
    box-shadow: 0 8px 24px rgba(13, 104, 136, 0.26);
}

.app-store-badge { max-width: 200px; margin: 10px; border-radius: 10px; }
.feature-grid,
.screenshot-grid { display: grid; gap: 30px; margin-top: 40px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.feature-grid { text-align: center; }
.feature-item { padding: 30px 20px; }
.icon { display: block; margin-bottom: 15px; color: #54f0ff; font-size: 3.2em; }

.screenshot-placeholder { width: 100%; height: min(62vw, 533px); object-fit: cover; }

footer { padding: 40px 0; text-align: center; font-size: 0.9em; background: rgba(255, 255, 255, 0.03); }
footer a { text-decoration: none; margin: 0 10px; }
footer a:hover { text-decoration: underline; }

.legal-page { min-height: 100vh; padding: 40px 0; line-height: 1.7; }
.legal-wrap { padding: 8px 4px; }
.legal-page h1,
.legal-page h2 { margin-top: 20px; padding-bottom: 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.24); }
.legal-page h1 { margin-top: 0; border-bottom-width: 2px; }
.legal-page strong { color: #fff; }
.legal-page .update-date { display: block; margin-bottom: 20px; font-style: italic; }

@media (max-width: 768px) {
    .feature-grid { grid-template-columns: 1fr; }
    .screenshot-grid { grid-template-columns: 1fr; }
    .screenshot-placeholder { width: 80%; margin: 0 auto; }
    .key-art-container { max-height: 250px; }
    .legal-wrap { width: min(900px, calc(100% - 64px)); padding: 4px 0; }
}