.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn--primary {
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #061018;
    box-shadow: 0 4px 14px rgba(78, 168, 255, 0.25);
}

.btn--primary:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--ghost {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--border);
}

.btn--ghost:hover {
    background: var(--tint-surface);
}

.btn--full {
    width: 100%;
}

@media (max-width: 640px) {
    .btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.9rem;
    }
}