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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    color: white;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 24px 40px;
    display: flex;
    justify-content: center;
    z-index: 1000;
}

.nav-container {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: 50px;
    padding: 12px 32px;
    display: flex;
    align-items: center;
    gap: 48px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.logo {
    height: 28px;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #60a5fa;
}

.nav-buttons {
    display: flex;
    gap: 12px;
}

.btn-log-in {
    background: #1e3a8a;
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-log-in:hover {
    background: #1e40af;
}

.btn-register {
    background: white;
    color: #1e3a8a;
    border: none;
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-register:hover {
    transform: translateY(-1px);
}