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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1c1d1f;
    background: #fff;
}

header {
    background: #1c1d1f;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

nav {
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid #fff;
}

.btn-primary {
    background: #a435f0;
    color: #fff;
}

.hidden {
    display: none;
}