* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: radial-gradient(ellipse at center, #0a0a2e 0%, #000010 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 60px 20px 40px;
    background: linear-gradient(180deg, rgba(20, 20, 60, 0.6), transparent);
}

header h1 {
    font-size: 3rem;
    background: linear-gradient(90deg, #ffffff, #88aaff, #ffaa44);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.subtitle { font-size: 1.2rem; color: #aab8d8; }

main { max-width: 1100px; margin: 0 auto; padding: 20px; }

.intro {
    padding: 25px 30px;
    background: rgba(255,255,255,0.03);
    border-left: 4px solid #ffd966;
    border-radius: 12px;
    margin-bottom: 35px;
}
.intro .lead { font-size: 1.1rem; color: #d8e0f0; line-height: 1.6; }

.animation-section {
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(8px);
}
.animation-section h2 { font-size: 1.8rem; margin-bottom: 8px; color: #ffd966; }
.animation-section p { margin-bottom: 20px; color: #c8d2e8; line-height: 1.5; }

canvas#andromedaCanvas {
    width: 100%;
    height: 600px;
    display: block;
    border-radius: 12px;
    background: #000005;
    box-shadow: 0 0 40px rgba(100, 150, 255, 0.2);
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 12px;
    color: #c8d2e8;
    font-size: 0.9rem;
}
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i {
    display: inline-block;
    width: 12px; height: 12px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}

.info-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    margin-bottom: 40px;
}
.block {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 22px;
}
.block h3 { color: #ffd966; margin-bottom: 8px; font-size: 1.15rem; }
.block p { color: #c8d2e8; line-height: 1.5; font-size: 0.95rem; }

.info { padding: 30px; background: rgba(255,255,255,0.03); border-radius: 16px; margin-bottom: 40px; }
.info h2 { color: #ffd966; margin-bottom: 15px; }
.info ul { list-style: none; padding-left: 0; }
.info li { padding: 10px 0 10px 25px; position: relative; border-bottom: 1px solid rgba(255,255,255,0.08); }
.info li::before { content: "✦"; position: absolute; left: 0; color: #ffd966; }

.back { text-align: center; margin-bottom: 30px; }
.back a { color: #88aaff; text-decoration: none; font-size: 1rem; }
.back a:hover { color: #ffd966; }

footer { text-align: center; padding: 30px; color: #6a7898; font-size: 0.9rem; }

@media (max-width: 600px) {
    header h1 { font-size: 2rem; }
    canvas#andromedaCanvas { height: 380px; }
}