.nexus-hero {
    background: radial-gradient(circle at center, #1e1b4b 0%, #020617 100%);
    overflow: hidden;
    position: relative;
    perspective: 1000px;
}
.star-field {
    position: absolute; inset: 0;
    background-image: radial-gradient(white 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.1;
    animation: star-move 100s linear infinite;
}
@keyframes star-move { 0% { transform: translateY(0); } 100% { transform: translateY(-1000px); } }

/* Yörünge Sistemi */
.orbit-system {
    position: relative;
    width: 600px; height: 600px;
    margin: 0 auto;
    transform-style: preserve-3d;
    animation: tilt-system 10s ease-in-out infinite alternate;
}
@keyframes tilt-system { 0% { transform: rotateX(20deg) rotateY(-10deg); } 100% { transform: rotateX(20deg) rotateY(10deg); } }

.core-sun {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 120px; height: 120px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(59, 130, 246, 0.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 10;
    font-weight: 900; color: #020617; font-size: 1.5rem;
}

.planet-orbit {
    position: absolute; top: 50%; left: 50%;
    border: 1px dashed rgba(255,255,255,0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transform-style: preserve-3d;
}
.orbit-sm { width: 300px; height: 300px; animation: orbit-spin 20s linear infinite; }
.orbit-md { width: 450px; height: 450px; animation: orbit-spin 30s linear infinite reverse; }
.orbit-lg { width: 600px; height: 600px; animation: orbit-spin 40s linear infinite; }

.planet {
    position: absolute; top: 50%; right: -25px; margin-top: -25px;
    width: 50px; height: 50px;
    background: white; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
    animation: counter-spin inherit reverse; /* Logolar düz dursun diye */
}
.planet img { width: 70%; height: auto; border-radius: 5px; }

@keyframes orbit-spin { 100% { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes counter-spin { 100% { transform: rotate(-360deg); } }

/* 2. Live Feed (Canlı Akış) */
.live-feed-container {
    position: absolute; right: 20px; bottom: 50px;
    width: 300px;
    display: flex; flex-direction: column; gap: 10px;
    z-index: 20;
    pointer-events: none;
}
.feed-item {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-left: 4px solid #10b981;
    padding: 10px 15px;
    border-radius: 8px;
    color: white; font-size: 0.8rem;
    display: flex; align-items: center; gap: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    animation: feed-slide 5s ease-in-out forwards;
    opacity: 0; transform: translateX(50px);
}
.feed-icon { width: 24px; height: 24px; background: white; border-radius: 50%; padding: 2px; }

@keyframes feed-slide {
    0% { opacity: 0; transform: translateX(50px); }
    10% { opacity: 1; transform: translateX(0); }
    90% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateY(-20px); }
}

/* 3. Infinity Loop (Stok Eşitleme) */
.infinity-wrapper {
    position: relative; width: 200px; height: 100px; margin: 0 auto;
}
.infinity-loop {
    width: 100%; height: 100%;
    border: 4px solid transparent;
    border-top-color: #3b82f6; border-bottom-color: #f97316;
    border-radius: 50%;
    animation: spin-inf 2s linear infinite;
}
@keyframes spin-inf { 100% { transform: rotate(360deg); } }

/* 4. Platform Kartları */
.platform-card {
    background: white; border: 1px solid #e2e8f0; border-radius: 1rem; padding: 2rem;
    transition: all 0.3s; position: relative; overflow: hidden;
}
.platform-card:hover { transform: translateY(-10px); border-color: #3b82f6; box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1); }
.platform-bg {
    position: absolute; right: -20px; bottom: -20px; font-size: 8rem; opacity: 0.05; transform: rotate(-15deg); transition: all 0.3s;
}
.platform-card:hover .platform-bg { transform: rotate(0) scale(1.2); opacity: 0.1; }

/* 5. Pricing Rule Visualizer (Fiyat Kuralı) */
.rule-node {
    background: #f1f5f9; padding: 10px 20px; border-radius: 8px; font-family: monospace; font-size: 0.9rem; border: 1px solid #cbd5e1;
    display: inline-block; margin-bottom: 10px;
}
.arrow-down { color: #94a3b8; font-size: 1.2rem; margin: 5px 0; }
.rule-result { background: #dcfce7; color: #15803d; border-color: #86efac; }